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", 0x1000}], 0x5, &(0x7f0000006cc0)=[@cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2, 0xffffffffffffffff]}}, @rights={{0x30, 0x1, 0x1, [0xffffffffffffffff, r2, 0xffffffffffffffff, r1, 0xffffffffffffffff, r1, r0, 0xffffffffffffffff]}}], 0x78, 0x11}, {&(0x7f0000006d40)=@abs={0x1, 0x0, 0x4e20}, 0x6e, &(0x7f0000007340)=[{&(0x7f0000006dc0)="a0b628f0d2a625a48777ba9c091fde565dbe6c8373f85f75e4682398b41a977d49bde5b908759687926894af114a18de0a283451f4bcee6541a40625fb00e974484db374198c1fe4dbe22f3dfad772baf60d203a2c3b41cc05fbf481dd5a565a1a7f4578fe440c17ccaf85ba75288c925906f89441f8be93", 0x78}, {&(0x7f0000006e40)="71b1a33b82600b7b592e980eab5a1892fa83158bb3abc06932e897cf246e3dbebc9d7176a7406a860cbd3de7f4c18cff125f857ecb822426db6edafc26e254faa82affe9153ba817eb5a2152f215ee0c70fd4a700b183b6a72036ec13b3cf1f0cf2080439a513b90275fd091af1abb411619674de6844ec2db7d1a9bab6e7a33e31400e322313c40bbb17cccc177dafbd6339c0a2bf4ccba50fabc2c5411c1db908f053a94bfe4beb584c74658a1f116794110d16f62e8ecef726dad2d4a8e9a3e2a58806f7d76bdc7170bff6319023f0d16839133d88913da685ded4d5463d0eeb64d2d5fd93cc7f524445d9f51a3c1b072bb0bca9af0", 0xf7}, {&(0x7f0000006f40)="33199f8a69e1a0f5a9814fda80337625e8b20159388953ade5c3ad1a0c9f638004a2f0ae44515022e3a7e729dde5d41f2c73ea1e144ce989f45f5c0704c544b9672ad076c8f14ede59c541798e001cbf379cd682247bac0f6e70b8a94c82e3b2867e2417a7d93fea0d062b5cc68ad63bac5d237564e43f0785270b5328930b6ecac6cde453fa914cf8f63f23650f85f03e1bd49878eacf088bc36cbf57c556eb5ca46008b748fb2617d1981c828cc8ed45e698034c6e8d8e6c5cc2882854b0f130e85cdfec028c4e1b5ae44af99dca7ffd0d4ad1aba5", 0xd6}, {&(0x7f0000007040)="e7d34c0f1928aa0e4f08eb6f7c8260a5fb32e90179e6808e0274c40e00da0e95a38a1e45c03bee83ba4108743c76ca0a38558780aae5d26cbaab071f19f3ea0d888b780fd22732144df4a55f5d8553965a0bfbce81b9ef9fe87ed2de824c28949e9df54a17110f60f978e512952944df4f79dc4c7dc488c57ef780fb8266776aeb1f477223", 0x85}, {&(0x7f0000007100)="ca07b679962d504bf1d0c425a5b17cc032d83ca9a25c5475c1b1ecc6f8736d0ad1cb60332081b07d2d6875da35514855be875ae4655916cac4786349417d60ec64fe29922015cef2a1ff14d6431f773e4fba4e142745459722ead487f58f37ae812389f41b8f0ed107aefe1850b48083df031821021bf39b01de330dd5", 0x7d}, {&(0x7f0000007180)="a87bc5058eb99d29a718108ccacaa477d0c6e2e645af1f6bd1f0", 0x1a}, {&(0x7f00000071c0)="74a3ace21336a09f8fe04929626fddfb450334dc5b331fed7d879c799b3e74701c537f99043aa15d444b6a7c060235d7e933317766f6e56d7408e5c933940fa8ea17dded3de1a3cd389955f478dabc3f3b", 0x51}, {&(0x7f0000007240)}, {&(0x7f0000007280)="c308e54fa9e969b9a953f7a1640960629b7710f8bac69f7ae84929c87f233f40cc431313f90cdd648825b51fb1e01d8ef9c440fb5dea8ed29a18a0e1f5f0e0ad1da97610da346d3b1eeeb8732634504b3343b3dc0b3e07646600b5fcc3e622a43f30843eaa4a4b97b9f5a6f6626661275411534bc37fb05e5d303c94d2f6876e33221436dd5ad79224be7e4751c45613b24e14e9db24444293c65801ef40f3b0d4974561956770", 0xa7}], 0x9, &(0x7f00000018c0)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r3}}}, @cred={{0x1c, 0x1, 0x2, {r4, 0xee01, r7}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, r8}}}], 0x60, 0x4015}], 0x8, 0x8810) r9 = syz_genetlink_get_family_id$devlink(&(0x7f0000000100), 0xffffffffffffffff) r10 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_TRAP_GROUP_SET(r10, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="4c00748e", @ANYRES16=r9, @ANYBLOB="01000000000000000000420000000e0001006e657464657673696d0000000f0002006e657464657673696d3000000d0087006c325f64726f7073000000000800870000000000"], 0x4c}}, 0x0) sendmsg$DEVLINK_CMD_GET(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x90, r9, 0x2, 0x70bd27, 0x25dfdbfd, {}, [@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @pci={{0x8}, {0x11}}]}, 0x90}, 0x1, 0x0, 0x0, 0x4000800}, 0x20) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000002c0)={&(0x7f0000000440)={0xb4, 0x0, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_ADDR={0x48, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x1}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x1}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e23}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @remote}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e20}, @MPTCP_PM_ADDR_ATTR_ADDR6={0x14, 0x4, @dev={0xfe, 0x80, '\x00', 0x14}}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0xf6}]}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x1}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x4}, @MPTCP_PM_ATTR_ADDR={0x4}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x3}, @MPTCP_PM_ATTR_ADDR={0x2c, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @local}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x1}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8}, @MPTCP_PM_ADDR_ATTR_PORT={0x6, 0x5, 0x4e20}, @MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @loopback}]}, @MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x6}]}, 0xb4}, 0x1, 0x0, 0x0, 0x44094}, 0x4040804) fcntl$lock(r0, 0x26, &(0x7f0000000180)={0x0, 0x2, 0x0, 0x1}) [ 2334.668500][ T1215] block nbd4: server does not support multiple connections per device. [ 2334.685571][ T1208] block nbd4: shutting down sockets 16:53:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x12000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2334.721406][ T1208] block nbd4: Unsupported socket: shutdown callout must be supported. 16:53:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x3}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2334.822124][T25372] block nbd4: Receive control failed (result -32) [ 2334.822197][ T1208] block nbd4: shutting down sockets 16:53:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x18000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) writev(r3, &(0x7f0000000180)=[{&(0x7f00000000c0)="d3c4c7f72b157c4f825ef3866c2e791f48b8ec983a213d29c57a5c61a7f069b39cf420ce9020f47b534252315f7528eec5a1360367e3c0a496320df4e08422072dcea9c394007749883c6c6f1c7c6606bf5e1c53507f88fdc668901f57cec397ecbaab91e2fd5a833abf508811c94424924ad2fba0747ffc790c31ac118ff3864828b5b5979a9ad37831e4d62eff039c2c31c3df828f2c9a99ccb8c2c7ff510cfd4fb97da72c1bd2bf8c0b80abdcfea2ed94f606e81dbb9a6f589d2f", 0xbc}], 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2334.949927][T24020] block nbd0: Receive control failed (result -32) [ 2334.950003][ T5658] block nbd0: Receive control failed (result -32) [ 2334.966799][ T1187] block nbd0: shutting down sockets [ 2334.974265][ T8409] block nbd2: Receive control failed (result -32) [ 2334.975206][ T1183] block nbd2: shutting down sockets 16:53:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab01) 16:53:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x20000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2335.208606][ T1242] block nbd4: shutting down sockets [ 2335.368645][ T1240] block nbd4: shutting down sockets 16:53:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x5}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x21000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x1, 0x3, 0x2b, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:53:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0xe200) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r5 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r3, &(0x7f0000000100)={0x4000000e}) 16:53:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x25000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) r2 = syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r2, 0x8983, &(0x7f0000000140)={0x0, 'batadv_slave_1\x00', {0x4}, 0x7f}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x7, &(0x7f0000001b40)) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) connect$unix(r3, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) 16:53:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2335.748028][ T1297] block nbd4: shutting down sockets 16:53:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x3f000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2335.871666][ T1283] block nbd4: Device being setup by another task [ 2335.879076][ T1308] block nbd4: shutting down sockets [ 2336.028871][T24020] block nbd2: Receive control failed (result -32) [ 2336.038614][ T5658] block nbd0: Receive control failed (result -32) [ 2336.039292][ T1254] block nbd0: shutting down sockets [ 2336.051639][ T1245] block nbd2: shutting down sockets 16:53:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:53:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x406580) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000140), 0x40100, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r5 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000100), 0x101300, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000000c0)={r5, 0xffffffffffffffff, 0x24}, 0x10) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 16:53:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x40000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$FIBMAP(0xffffffffffffffff, 0x1, &(0x7f0000000080)=0x81) 16:53:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x41000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x8}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x48000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0xdc, 0x0, 0x1, 0x301, 0x0, 0x0, {0x0, 0x0, 0x2}, [@CTA_TIMEOUT={0x8, 0x7, 0x1, 0x0, 0x400000}, @CTA_HELP={0x14, 0x5, 0x0, 0x1, {0xe, 0x1, 'sip-20000\x00'}}, @CTA_SYNPROXY={0x4}, @CTA_STATUS={0x8, 0x3, 0x1, 0x0, 0x1004}, @CTA_HELP={0x14, 0x5, 0x0, 0x1, {0xf, 0x1, 'tftp-20000\x00'}}, @CTA_TIMEOUT={0x8, 0x7, 0x1, 0x0, 0x9}, @CTA_MARK_MASK={0x8, 0x15, 0x1, 0x0, 0x1}, @CTA_SYNPROXY={0x1c, 0x18, 0x0, 0x1, [@CTA_SYNPROXY_TSOFF={0x8, 0x3, 0x1, 0x0, 0x2c}, @CTA_SYNPROXY_ISN={0x8, 0x1, 0x1, 0x0, 0x9}, @CTA_SYNPROXY_TSOFF={0x8, 0x3, 0x1, 0x0, 0x8}]}, @CTA_MARK_MASK={0x8, 0x15, 0x1, 0x0, 0x3}, @CTA_PROTOINFO={0x58, 0x4, 0x0, 0x1, @CTA_PROTOINFO_DCCP={0x54, 0x2, 0x0, 0x1, [@CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x9}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x7}, @CTA_PROTOINFO_DCCP_STATE={0x5, 0x1, 0x8}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x80000000005}, @CTA_PROTOINFO_DCCP_ROLE={0x5, 0x2, 0x1}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x5}, @CTA_PROTOINFO_DCCP_ROLE={0x5}, @CTA_PROTOINFO_DCCP_HANDSHAKE_SEQ={0xc, 0x3, 0x1, 0x0, 0x1}]}}]}, 0xdc}, 0x1, 0x0, 0x0, 0x24000094}, 0x4014) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2336.448829][ T1332] block nbd4: Device being setup by another task [ 2336.456500][ T1339] block nbd4: shutting down sockets 16:53:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x9}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2336.639034][T25372] block nbd4: Receive control failed (result -32) [ 2336.679427][ T1347] block nbd4: shutting down sockets 16:53:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x4c000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2337.179270][ T1334] block nbd2: shutting down sockets [ 2337.190322][ T5658] block nbd0: Receive control failed (result -32) [ 2337.190830][ T1352] block nbd0: shutting down sockets 16:53:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:53:52 executing program 4: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$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$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xa}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x60000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) sendmsg$TIPC_CMD_GET_NODES(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, 0x0, 0x20, 0x70bd27, 0x25dfdbfb, {}, ["", "", "", "", "", "", "", ""]}, 0xffffffffffffff28}, 0x1, 0x0, 0x0, 0x4000002}, 0x800) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:53:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xb}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2337.648025][ T1389] block nbd4: server does not support multiple connections per device. 16:53:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x68000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2337.719113][ T1394] block nbd4: shutting down sockets 16:53:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xc}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2337.842408][ T1402] block nbd4: Could not allocate knbd recv work queue. [ 2337.870201][ T1402] block nbd4: shutting down sockets 16:53:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x6c000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(r1, 0x0, 0x16) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x4) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xd}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2338.155224][ T1428] __nla_validate_parse: 31 callbacks suppressed [ 2338.155244][ T1428] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2338.269051][ T1435] block nbd4: shutting down sockets [ 2338.276019][ T1427] nbd4: detected capacity change from 0 to 8 [ 2338.372448][ T8409] block nbd2: Receive control failed (result -32) [ 2338.382954][ T5658] block nbd0: Receive control failed (result -32) [ 2338.383355][ T1393] block nbd0: shutting down sockets [ 2338.399008][ T1387] block nbd2: shutting down sockets [ 2338.403252][ T1435] block nbd4: shutting down sockets 16:53:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x74000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = syz_open_dev$video4linux(&(0x7f0000000080), 0x8, 0x100) ioctl$VIDIOC_SUBDEV_S_FRAME_INTERVAL(r2, 0xc0305616, &(0x7f00000000c0)={0x0, {0x68, 0x100}}) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 16:53:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 16:53:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xe}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2338.469588][ T1443] nbd4: detected capacity change from 0 to 8 16:53:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2338.542928][ T1449] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:53:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x10}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2338.620387][ T1452] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2338.659471][ T1454] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:53:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x7a000000, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2338.693217][ T1454] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2338.725999][ T1459] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:53:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 2338.799757][ T1453] block nbd2: shutting down sockets 16:53:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x11}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2338.893151][ T1469] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2338.955461][ T1472] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2338.995369][ T1473] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:53:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 2339.001646][ T1476] block nbd4: shutting down sockets [ 2339.006110][ T1473] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:53:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x97ffffff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2339.147407][ T1486] block nbd0: shutting down sockets [ 2339.179595][ T1480] block nbd2: Device being setup by another task [ 2339.189034][ T1471] block nbd2: shutting down sockets [ 2339.232649][ T1476] block nbd4: shutting down sockets [ 2339.290860][ T1493] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2339.347509][ T1493] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:53:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) 16:53:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x12}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f0000000180)={0x1ff, 0x10e, {0x0}, {0xee01}, 0x5, 0x7f}) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x81, 0x0, 0x0, 0x8, 0x0, 0x6, 0x44850, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x8daa, 0x4, @perf_bp={&(0x7f00000000c0), 0x2}, 0x40, 0x5, 0x2, 0x0, 0x3, 0x0, 0xb95, 0x0, 0x81, 0x0, 0x8}, r4, 0x5, 0xffffffffffffffff, 0x8) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) setsockopt$TIPC_GROUP_LEAVE(0xffffffffffffffff, 0x10f, 0x88) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) bind$unix(r2, &(0x7f0000000080)=@file={0x1, './file0\x00'}, 0x6e) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:53:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x9c0508fc, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x18}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2339.569685][ T1505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2339.593148][ T1509] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2339.639672][ T1509] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2339.672963][ T1506] block nbd4: server does not support multiple connections per device. [ 2339.674253][ T1512] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2339.682824][ T1503] block nbd2: shutting down sockets [ 2339.710381][ T1506] block nbd4: shutting down sockets 16:53:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) 16:53:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x9effffff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2339.840306][ T1510] block nbd4: Device being setup by another task 16:53:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x21}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) 16:53:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) [ 2339.972011][ T5658] block nbd4: Receive control failed (result -32) [ 2340.000280][ T1523] block nbd4: shutting down sockets 16:53:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xe4a7a9fe, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000140), 0x1b3a81, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x40200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xefffffff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x25}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x41}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xf0ffffff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2340.587746][ T1572] block nbd4: shutting down sockets [ 2340.718605][ T8409] block nbd2: Receive control failed (result -32) [ 2340.738956][ T1521] block nbd2: shutting down sockets 16:53:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xfc08059c, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x48}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) getsockname(r0, &(0x7f0000000080)=@phonet, &(0x7f0000000140)=0x80) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'ip6gre0\x00', {0x3}, 0xd}) fcntl$lock(r0, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r0, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r0, 0x6, &(0x7f0000000180)={0x0, 0x0, 0x2, 0x1}) 16:53:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2341.150133][ T1562] block nbd4: Could not allocate knbd recv work queue. [ 2341.208236][ T1572] block nbd4: shutting down sockets 16:53:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xfdffffff, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x60}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xfea9a7e4, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2341.579103][ T1626] block nbd4: shutting down sockets [ 2341.658119][ T1626] block nbd4: Device being setup by another task [ 2341.742462][ T8409] block nbd2: Receive control failed (result -32) [ 2341.742840][ T1591] block nbd2: shutting down sockets 16:53:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x68}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xffffff7f, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:57 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x3fffffffffffffd, 0x2}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) ioctl$BTRFS_IOC_QUOTA_RESCAN(r0, 0x4040942c, &(0x7f0000000080)={0x0, 0x7ff, [0x2, 0x10001, 0x7, 0x9, 0xb795, 0xfffffffffffffffa]}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:53:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xffffff97, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6c}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2342.358856][ T1613] block nbd4: Device being setup by another task [ 2342.450631][ T1626] block nbd4: shutting down sockets [ 2342.457309][ T1671] block nbd4: Could not allocate knbd recv work queue. 16:53:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x20800, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xffffff9e, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:57 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x74}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7a}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2342.758658][ T8409] block nbd2: Receive control failed (result -32) [ 2342.759077][ T1642] block nbd2: shutting down sockets [ 2342.798557][ T1704] block nbd4: shutting down sockets 16:53:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xffffffef, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x300}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2343.031182][T24020] block nbd4: Receive control failed (result -32) [ 2343.042613][ T1704] block nbd4: shutting down sockets 16:53:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) connect$unix(r1, &(0x7f0000000080)=@abs={0x0, 0x0, 0x4e21}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x7, &(0x7f0000001b40)) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000003d40)=[{&(0x7f00000001c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000240)="eda077dbb63c4e432da5a5dba04012de57be7f7a712671c06f8b8f44902e1f576d1e9a604cff08a237fc4d700c33a0ba88a4ad0bdf65d5c4491595ee26661d44b89781c97777d7f8968a8f637ab5427ba5a4bea6b3729d3a", 0x58}, {&(0x7f00000002c0)="9be9368970b8228e4571536a8e3599e62e57b689a024412dd7dfd6915d4390d6873dc080d3a6802a5a8341547ec54234ba895f3929446c06acb25296bd1ad90c0b8f85dedeeb05", 0x47}, {&(0x7f0000000340)="1942bb94d6fd8c6bfcedb3451ac061403b37587cc7c806e0f0875aeae4f7137a07a89dad2a451e9767198ba09c09f7efb13520466a709252f10e00eef21850bddf2680f0328bf63779c8a2fc49dabf196d937e88a8d0f929b39d911b669b0c085413f27df1772ddd4c913b219b38c8b07230adf33a07f83fbb28b381bea88e31b398a7a84409deccdc198feb11f4f13cb8be35885b862c90af8c97d5ff80653c0d1d3de47ed5979cc1220cb324445b3f8dde79f7e19b36d425fc28f072e9385c41f61fae60e93f67a5be296c0cd238ae35a433c820af70fff6e7c5720b307251994bbe", 0xe3}, {&(0x7f0000000440)="a84d70d544103e741257ed86f5382c9ffd2c03407b0b5a7222a55305b83d86174a25f0d5c524618932eb5c874ef2fe65af1baf6c2c71d8ba05958f9fab809f80d5694d38e9d3b484c239dacf0a28b45f0d45d526ab3b8f5545a490c13a009353d6a033759a452d789b95185c9f52a375a655b8a203", 0x75}], 0x4, &(0x7f0000000580)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01}}}], 0x40, 0x24004000}, {&(0x7f00000005c0)=@abs={0x1, 0x0, 0x4e23}, 0x6e, &(0x7f0000000740)=[{&(0x7f0000000640)="7d3fcebbee3fc2725ced094810d947f4d9f463987a2e282c48c512ba9023b33206576c55445ed15709e54e6527320dd4ef86c27dd8ffb610fbd52a27eb6f58a85a63bb4afb054dded1ac87e15fdf6f7f69624557520a44656b161ecbd39aae87d0899972ef93548a65fe4e9aa21e4b37f61b61189ed720580fcbd051b08633af5b0d0a8f43cb64330a38c45451b1339f48157f6d92ef6ea6df9281053ef081d60391f04808163132241a481b0b6dc2142a758a8ae3be74dd3096592d95104e2a83b2bb15c2c0b15c1c48293498cbae10bc804980ad08937784ffc81f8d2dd2fad1947f83892bdfdf244ff4c54b6042b9", 0xf0}], 0x1, 0x0, 0x0, 0x4c011}, {&(0x7f0000000780)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000940)=[{&(0x7f0000000800)="912225f217c5386fa5781817bf73d3a61dca1ce8e9521d83a751a24c66de6a8ab97fa89bff48afdd2cb80f965705f956bc1ca9adabe47085c23afc9ca55e1b07e7184a1a5e6ad7e3c136ce04ca004ee7f5fa6d314924a9d21e2590159fe3d6c8f035b74092ee471bd6e5bb919dffb1958feeca28723f6af7daa9fc2987a6efeb847bf8f0f6fc3089c0eae7eebe90270d", 0x90}, {&(0x7f00000008c0)="8c303b2d1be4af326e8445b19470537b40e9dc2f9c9b59440ad5050b6ab5d4c9adfc276cb26658457c4169908e0b42f5284911bc4728b3b1d08af4c6cb70cd5787e163ffd10034f4d7c80e175fa72ed2339eb73dffe90c8cbf0d5282a5b535715d61d2c5", 0x64}], 0x2, &(0x7f0000000a00)=ANY=[@ANYBLOB="18000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYBLOB="180000000800010000000100f5bd6d40", @ANYRES32, @ANYRES32, @ANYBLOB="1c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0x50, 0x40000}, {&(0x7f0000000a80)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000f00)=[{&(0x7f0000000b00)="5e2006792e6280c1364743fb5b11fe5b4cc3dea4795c88480bac426cc1646b733f1d0c1d75ee521182de100e6d174d7ebcaf52ef6cc350f9ac20ac7fe887a82a0675cde61adfb2323c85fcb796f9e4cfc826a23a8bd6c0af1b44655700ece1ec72c837c0fbc4275965b3a329952ce8e43605bb83c0eddc683fe3bf569b8a6fc4be3787231d161831e37240e94d99acfd2ef2a6bbe8bc0d47a804d289d650aa600b45f006bac7261b383fcdd2ca8e44ff33e9c701e6a3ec6cd0c3d845907a9ff7f65c29005b2f64b38ef867ed032243add24d47def0c354d790c07c2392bf81651ae50d", 0xe3}, {&(0x7f0000000c00)="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", 0xfc}, {&(0x7f0000000d00)="1239afc9368eb7f317438e868119b9f6b9", 0x11}, {&(0x7f0000000d40)="bd7c7d8ec2245b1b4355fcb78fcec740cc197db943f327332df4aab4a8a0258ab348118cf656f596ad4252303f8142db210e5fff8aaf295976f7fc5a7381e056bfe80c862696c18c325fe83562b29474f111a9267ab621a188d4885f9ed0e165270447ec4b79", 0x66}, {&(0x7f0000000dc0)="f53a906f148050f58e9a871eede3b1da0abee394241d180e18abb6210035d13645678f4628e18e170391651d62a5a7b27fb4d6de28ff94cf5d041f9cbb", 0x3d}, {&(0x7f0000000e00)="d27c8ce1bc865e312243a2d264aab543adddeb1b09c7066afd9407d0f9f3bb0506acc49413bb12719d41955bcb71", 0x2e}, {&(0x7f0000000e40)="d3aab208f29412cb84d0eae3038c0c0a2ee72ba2eef1f83630348a4511a239ab041e1e5ae1b49cc065089e774ed37787d4811dd47f27338f460cd3c15745e2443b9fa4fb9f8b1812a9f8593ae9845c2e50d9185c2f1ef2a04b34cfa32843de8b3215851711035744a11f80f0ca0e66119cf91e2ae97597b4495fa05f15520a45d0dd816be66ab9ee06e3ec43db68cac9ff47ed7319c45a42ef4e", 0x9a}], 0x7, &(0x7f0000001540)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x30, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, r0, 0xffffffffffffffff, 0xffffffffffffffff, r0, r0]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee01}}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2, r0, r3, r4]}}], 0xe0, 0x11}, {&(0x7f0000001640)=@abs={0x0, 0x0, 0x4e22}, 0x6e, &(0x7f0000003cc0)=[{&(0x7f00000016c0)="94553b4346b3944e76393e4fb57dae240f2dcb8308096fdd54e8529b59a70b87428e64862dd4b02a38c89c357c3d0f637ceff2182ce0c88ab20f8ceec732e36b6dcf0f5d6bfdc66461c6f3306e3e6e6b89f6ee04b4be2e6452a51cc16845c1706d78", 0x62}, {&(0x7f0000001740)="733c0690f65dfd6c87e386d315d4a795b1029a177ff8101063efa03590da9f5f97c326d4c478adabdafe6bc7f96d753562df7ee68c06f723d666bda51bd5214f31b9ea6aec65ff7b14f27708a55bb0adfae2f26642c500855599c0f2be19e63c1f", 0x61}, {&(0x7f00000017c0)="b9a854fe92e2cd94bce17e67a2f293239bc239ac3cf76468858688037ae1883131b8dd6aa379c8c62b4765ad3d43a22514b06ebec35d5a2fedf68092061609b06aa9247485186ff727bec173a2393d642b334f5d5f7f519d7f01b39651821d1b5a817f5bb9b36e5477786b9097c5fb8f98d4a8539a8b5a8bc03d041f14121a97eb9978490c256d912b4f0f3967527dc32004e18a025dc4968238cb189d94dc675f95c06feeaacb18560f3a7c0208b8ff53e8d2b68b4b7a09200a41fd1b921a3610defbd638bf36a28ec5db65c5cf15c7fb1a087a1f5cf0eb933237f49d91e1bd75fc21d4873eb5", 0xe7}, {&(0x7f00000018c0)="6004eb309819209206b3f907d91cf698a9d40a2a2f43837369070efd6a1afe8ac9da365f9338d340ccb49d0165722795997c44539aa5d7fdf9c8e2581c71d78378028ebf72639da738268415cf578e900023e6b906cbf6d01c5b0248ae96f64e78c905edef8c8b38848fabfe38c5665a5b613b9d00887f7c387ee22715", 0x7d}, {&(0x7f0000001940)="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", 0xfe}, {&(0x7f0000001a40)="fd53cfc19b4ab8287575478f9bb6f3022fcda19149b6fcc0cf551d746d840376aea5cdba2ee58c2c59651b53a449e0562e7d783790169ad533ff3066e1828ee237fc0b1af4ea51cd1ade8ac4ecf2159d9356a49643463956a81beaca64d2e76dd4d428bcda5444dcff9b207a88a600584b34e03d30c33b49b25227355854c125982ca9ed51e09cb68ba4ad206920a4af858afe69431c99a653116110023eeeebe1ddf9f2137749d58ada1189fbf9329b48edf0db538d366abc8b2c51c1bfd004af", 0xc1}, {&(0x7f0000003b80)="3072b9fb0b03a3f35c911791688e3e80af23cda2a80ee5b3e4b6a8febed954924af1cf50", 0x24}, {&(0x7f0000003bc0)="18140d5c124826351ca4bdf9fe646f5fdc39f779b8c1f7b2f6a8e90293d318d7ebb98a40600651ed74989944810bcd92b8671e2ef590ef3f042ef1ee2345e4247402fe84275c68ab98b1fe02e72ea213b14af2c1a95c1b6c04c2c89a29803138f5cc3bdeef1ed5fc93997023cfaf41f4ba2feba801b5f36ea3b59a7214aa555d26682d434a9968ed5dda47eb4b9c225173da4cce67c7d2594db39170230a210cea01c7ea84f44ef45fefc29bfbefb2119f836f6179370074c4223e0b0121c8febb8ddf7bfd170e1e798d9cdb599b7aa27b8533305461ee321a9e5233642460b83203adf0aa30d9638fe05dfb00e495ea8acd", 0xf2}], 0x8, 0x0, 0x0, 0x4000}], 0x5, 0x4008800) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:53:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xfffffff0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x500}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) connect(r1, &(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r2, {0x2, 0x4e22, @broadcast}, 0x3, 0x3, 0x0, 0x2}}, 0x80) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2343.339432][ T1736] __nla_validate_parse: 26 callbacks suppressed [ 2343.339453][ T1736] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:53:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = accept4$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x0, 0x0, @private2}, &(0x7f0000000140)=0x1c, 0x80000) ioctl$F2FS_IOC_PRECACHE_EXTENTS(r2, 0xf50f, 0x0) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) syz_genetlink_get_family_id$devlink(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$TIPC_NL_SOCK_GET(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="d84b58428458067ed0b5a369eefc5dddc548559b99c049b34c32aa8dcf7a2956137726bcf36d71777bedc10594544c8a6179079d5296b1a085239cd70ff8dde43b578e6a72aa85e5b9ac5a491511e1031191a38aaa761415540fb9aef18427aeb22f42102aebc193643ff2ace9813e15941aa476c69984c854dc4dec0c2e012b4fac10970b52f7217480cae5c0af798514343b640bab8518f54978c9325862e4a4cca33298e0effc4ce9bd7886ad4d18862338320ea096e4304fe8c02ee35f4d5512fc434d7abad1c72a006de5d748eaecd9edaaaeea3f57464a7df6334b02676d921a11", @ANYRES16=0x0, @ANYBLOB="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"], 0x150}, 0x1, 0x0, 0x0, 0x44}, 0x80) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) connect$inet6(r2, &(0x7f00000001c0)={0xa, 0x4e22, 0xffffffff, @local}, 0x1c) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2343.445115][ T1745] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2343.456798][ T5658] block nbd0: Receive control failed (result -32) [ 2343.469799][ T1687] block nbd0: shutting down sockets 16:53:58 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2343.579223][ T1751] block nbd4: shutting down sockets 16:53:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0xfffffffd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x600}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2343.747648][ T1760] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2343.849067][ T1768] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2343.889684][ T3219] ieee802154 phy0 wpan0: encryption failed: -22 [ 2343.897489][ T3219] ieee802154 phy1 wpan1: encryption failed: -22 [ 2343.983461][ T1740] block nbd4: Could not allocate knbd recv work queue. [ 2344.005566][T24020] block nbd2: Receive control failed (result -32) [ 2344.005939][ T1724] block nbd2: shutting down sockets [ 2344.016426][ T1759] block nbd4: shutting down sockets 16:53:59 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:53:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x0}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x700}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:59 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x5, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:53:59 executing program 4: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r3 = syz_mount_image$gfs2(&(0x7f0000000000), &(0x7f00000000c0)='./file0\x00', 0x2, 0xa, &(0x7f0000000580)=[{&(0x7f0000000100)="6f765b36e542c6c5abf87990de6ed58ff996873d4b20ddd5f52f3559d558e52027b1a3a77695b5ae012f507360615f1842580bad0041a1ef6cef5b3d5025997123a5e88e492f4673c865cfa561eef90928c645a318026000d3ba4fc91a748fd2404ad55bbb3ff1ab0d2612ffb5d8a83c2bd5649d5872b4d05236a19ab3c4fac9aeb8f8a891174f3bb8cd8582fd76a3a03e4cade3ae54a9276a4b8f8240323acb87dae1c6804d1b2546f04f281ae37ba604ee767b0be30337fadb", 0xba, 0x1}, {&(0x7f00000001c0)="d00a8eb35b84fb049d473736683a2263981e08b5f95252921ed85eb798650fcd7651ceb4f55c9378b6d593fe7e01a2bcfbb849a472f73b84349cc44682d9d82af8fdef7e5e27f99013170394f20c14e737d3", 0x52, 0x1d}, {&(0x7f0000000240)="3757f242e8b8458063f1ce90ab86b1aeb05cb308d6e413aee59bd88d7c6cfc5bc1d2c3c37efebb682408c0db22275547588cd946c30e695acf281242bf83b284938f8f397e3a5cf918b734b8e8d3f1a082bf96d782922d042ecaf89f5dbb445a768b0481e3388cb18372d2ca65584dcb9d581d52ccb5129ef7d2985fc56fa9e8570b12f4c517e82bee48d67e560b12395e5ca50c6fe159f063571bd0fd785649ea3add7cf3bde6c3745a533eb93e87f50b665f5d29ed096f22440c95a4f8cd10d605f55af4e7161563e96f09ec7330f7142877b7063657302e9da1018abac60893629914818b213e172d", 0xea, 0xffffffff}, {&(0x7f0000000340)="7475dd0b693814c2e2df5c0828c1e82d1c20f66d7545caf2221b4bffdd585c10", 0x20, 0x8000}, {&(0x7f0000000380)="068bbbaac85108f1fdd439458a4ac0fb5c2d3d29a38632de95dc33adf7782b35bd43c92fc1bd4649bd1f444f9c96eebe3b", 0x31, 0x240000000}, {&(0x7f00000003c0)="78a81af58d2a", 0x6, 0x7f}, {&(0x7f0000000740)="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", 0x1000, 0xa93ef3f}, {&(0x7f0000000400)="70e3cd6868523e95aafc95e5309afc69a1ea6d31e0daf237ce208e891f016cb4189225b0f3b562abc8aae237f2c65af7e8d6760aff8f72d07976a6a5c0f957ca08c47fca055d952ce6067f03bb6ae216888b2d3249615b0de79164fb0dbd5871f441aa6683e8aa69b1f479f52e605a3ba4fe9542a190859ccebf13d1d8f7bd632def73617e5c194f33e3a04d287e9ba1afcc4e2b09f612e81b962ab68e836dc926567fae6ea02a4b6422008f9a5059d4861d2837c744108ae551948fdf1424b6d39fc84ab556b0d319799daf", 0xcc, 0x9}, {&(0x7f0000000500)="8d6ec70e1cb3cf83097034ea7b8da799374d29a61fb491dc01a39b0074cc8a44f0e29b178794b4c125b7f2e75c06ef73757eabbafd", 0x35, 0x7}, {&(0x7f0000000540)="75c26e4f65b15860bd710021cc69149e919ca2f7a45e73de156b32bf54f66efd6032a0dc8502eb8f", 0x28, 0x6}], 0x800080, &(0x7f0000000680)=ANY=[@ANYBLOB='locktable=/dev/nbd#\x00,nodiscard,suiddir,qumta=off,lockproto=lock_nolock,quota=off,permit_directio,\x00']) dup3(r3, r2, 0x0) [ 2344.200457][ T1788] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2344.238479][ T1785] block nbd4: server does not support multiple connections per device. 16:53:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x900}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:53:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x2}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2344.276602][ T1785] block nbd4: shutting down sockets [ 2344.315824][ T1785] loop4: detected capacity change from 0 to 264192 [ 2344.357906][ T1785] gfs2: not a GFS2 filesystem 16:53:59 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) ioctl$sock_ifreq(r1, 0x8932, &(0x7f0000000080)={'veth0_to_bridge\x00', @ifru_map}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@bridge_delneigh={0x28, 0x11, 0xd03, 0x0, 0x0, {0x7, 0x0, 0x0, r3, 0x0, 0x96}, [@NDA_LLADDR={0xa, 0x2, @link_local}]}, 0x28}}, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x8000, 0x0) sendmsg$nl_route(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=@ipv4_getrule={0x1c, 0x22, 0x4, 0x70bd2c, 0x25dfdbff, {0x2, 0x0, 0x80, 0x80, 0x5, 0x0, 0x0, 0x7, 0x10010}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004804}, 0x40) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f00000000c0)={@mcast1, 0x2d, r3}) [ 2344.416103][ T1802] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2344.467547][ T1805] nbd: must specify an index to disconnect [ 2344.498204][ T1801] block nbd4: Device being setup by another task 16:53:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xa00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2344.553574][ T1813] loop4: detected capacity change from 0 to 264192 [ 2344.608178][ T5658] block nbd0: Receive control failed (result -32) [ 2344.608777][ T1769] block nbd0: shutting down sockets [ 2344.616504][T25372] block nbd4: Receive control failed (result -32) [ 2344.661349][ T1785] block nbd4: shutting down sockets [ 2344.789105][ T1829] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:53:59 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:53:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x101040) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = socket$inet6(0x10, 0x2, 0x0) sendmsg(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000180)="5500000018007f1100fe15b282a380930a60000248a84302916d0200390009002300ff6c020000000b000500ff110000000b566881b18432009b1100b1df13000000fb0000400000000040970de3b3000000000900", 0x55}], 0x1}, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r5, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) openat$cgroup_ro(r5, &(0x7f0000000100)='cpuset.effective_mems\x00', 0x0, 0x0) 16:53:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xb00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2345.070775][T24020] block nbd2: Receive control failed (result -32) [ 2345.081151][ T1779] block nbd2: shutting down sockets 16:54:00 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2345.369596][ T1844] block nbd4: Device being setup by another task [ 2345.442487][ T1851] block nbd4: shutting down sockets [ 2345.507239][ T1841] IPv6: NLM_F_CREATE should be specified when creating new route [ 2345.758425][T25372] block nbd0: Receive control failed (result -32) [ 2345.777244][ T1832] block nbd0: shutting down sockets 16:54:00 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2345.944333][ T1848] block nbd4: shutting down sockets 16:54:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x80000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2346.083019][T24020] block nbd2: Receive control failed (result -32) [ 2346.083476][ T1847] block nbd2: shutting down sockets 16:54:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2346.348924][ T1881] block nbd2: shutting down sockets [ 2346.405705][ T1886] block nbd4: shutting down sockets 16:54:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2346.528075][ T1886] block nbd4: Device being setup by another task [ 2346.602947][ T1893] block nbd4: shutting down sockets 16:54:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x400203) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2346.715707][T25372] block nbd0: Receive control failed (result -32) [ 2346.728205][ T1871] block nbd0: shutting down sockets [ 2346.734478][ T1895] block nbd2: shutting down sockets [ 2347.038512][ T1908] block nbd4: shutting down sockets [ 2347.177644][ T1908] block nbd4: Device being setup by another task [ 2347.184624][ T1904] block nbd4: Could not allocate knbd recv work queue. [ 2347.209238][ T1911] block nbd4: shutting down sockets [ 2350.076120][T24554] device hsr_slave_0 left promiscuous mode [ 2350.091662][T24554] device hsr_slave_1 left promiscuous mode [ 2350.102347][T24554] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 2350.111808][T24554] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 2350.124991][T24554] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 2350.134357][T24554] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 2350.144978][T24554] device bridge_slave_1 left promiscuous mode [ 2350.151790][T24554] bridge0: port 2(bridge_slave_1) entered disabled state [ 2350.161104][T24554] device bridge_slave_0 left promiscuous mode [ 2350.169845][T24554] bridge0: port 1(bridge_slave_0) entered disabled state [ 2350.183953][T24554] device veth1_macvtap left promiscuous mode [ 2350.190920][T24554] device veth0_macvtap left promiscuous mode [ 2350.197000][T24554] device veth1_vlan left promiscuous mode [ 2350.202915][T24554] device veth0_vlan left promiscuous mode [ 2352.697576][T25420] Bluetooth: hci1: command 0x0409 tx timeout [ 2353.887989][T28999] Bluetooth: hci5: command 0x0409 tx timeout [ 2354.767594][T24214] Bluetooth: hci1: command 0x041b tx timeout [ 2355.292396][T24554] team0 (unregistering): Port device team_slave_1 removed [ 2355.307756][T24554] team0 (unregistering): Port device team_slave_0 removed [ 2355.322442][T24554] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 2355.340685][T24554] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 2355.407812][T24554] bond0 (unregistering): Released all slaves [ 2355.461105][ T1939] IPVS: ftp: loaded support on port[0] = 21 [ 2355.469157][ T1919] IPVS: ftp: loaded support on port[0] = 21 [ 2355.740933][ T1919] chnl_net:caif_netlink_parms(): no params data found [ 2355.803014][ T1939] chnl_net:caif_netlink_parms(): no params data found [ 2355.882187][ T1919] bridge0: port 1(bridge_slave_0) entered blocking state [ 2355.892016][ T1919] bridge0: port 1(bridge_slave_0) entered disabled state [ 2355.900841][ T1919] device bridge_slave_0 entered promiscuous mode [ 2355.925349][ T1919] bridge0: port 2(bridge_slave_1) entered blocking state [ 2355.933540][ T1919] bridge0: port 2(bridge_slave_1) entered disabled state [ 2355.942275][ T1919] device bridge_slave_1 entered promiscuous mode [ 2355.967244][T30582] Bluetooth: hci5: command 0x041b tx timeout [ 2355.983193][ T1939] bridge0: port 1(bridge_slave_0) entered blocking state [ 2356.003310][ T1939] bridge0: port 1(bridge_slave_0) entered disabled state [ 2356.026073][ T1939] device bridge_slave_0 entered promiscuous mode [ 2356.047751][ T1919] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2356.057235][ T1939] bridge0: port 2(bridge_slave_1) entered blocking state [ 2356.064429][ T1939] bridge0: port 2(bridge_slave_1) entered disabled state [ 2356.081625][ T1939] device bridge_slave_1 entered promiscuous mode [ 2356.104826][ T1919] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 2356.165997][ T1939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2356.191383][ T1919] team0: Port device team_slave_0 added [ 2356.210299][ T1939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 2356.229318][ T1919] team0: Port device team_slave_1 added [ 2356.270539][ T1939] team0: Port device team_slave_0 added [ 2356.282392][ T1919] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 2356.292604][ T1919] 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. [ 2356.320834][ T1919] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 2356.336565][ T1939] team0: Port device team_slave_1 added [ 2356.351236][ T1919] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 2356.360163][ T1919] 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. [ 2356.388805][ T1919] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 2356.409585][ T1939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 2356.416580][ T1939] 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. [ 2356.460224][ T1939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 2356.510384][ T1939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 2356.529442][ T1939] 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. [ 2356.570162][ T1939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 2356.592582][ T1919] device hsr_slave_0 entered promiscuous mode [ 2356.611970][ T1919] device hsr_slave_1 entered promiscuous mode [ 2356.627945][ T1919] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 2356.636498][ T1919] Cannot create hsr debugfs directory [ 2356.708484][ T1939] device hsr_slave_0 entered promiscuous mode [ 2356.731108][ T1939] device hsr_slave_1 entered promiscuous mode [ 2356.738412][ T1939] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 2356.746185][ T1939] Cannot create hsr debugfs directory [ 2356.847569][ T1866] Bluetooth: hci1: command 0x040f tx timeout [ 2357.104006][ T1919] 8021q: adding VLAN 0 to HW filter on device bond0 [ 2357.159658][ T1866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 2357.174858][ T1866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 2357.198863][ T1919] 8021q: adding VLAN 0 to HW filter on device team0 [ 2357.224852][ T1939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 2357.233623][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 2357.245809][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 2357.264784][T28999] bridge0: port 1(bridge_slave_0) entered blocking state [ 2357.272026][T28999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 2357.307599][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 2357.318412][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 2357.327583][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 2357.336143][T24272] bridge0: port 2(bridge_slave_1) entered blocking state [ 2357.343337][T24272] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2357.354935][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 2357.365566][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 2357.377349][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 2357.385404][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 2357.410906][ T1939] 8021q: adding VLAN 0 to HW filter on device team0 [ 2357.420310][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 2357.432415][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 2357.442461][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 2357.455687][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 2357.467823][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 2357.479063][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 2357.492655][ T1919] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 2357.506693][ T1919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 2357.531017][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 2357.540344][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 2357.550849][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 2357.563699][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 2357.574232][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 2357.584859][T28999] bridge0: port 1(bridge_slave_0) entered blocking state [ 2357.592059][T28999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 2357.602204][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 2357.613230][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 2357.623278][T28999] bridge0: port 2(bridge_slave_1) entered blocking state [ 2357.630530][T28999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2357.652289][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 2357.688410][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 2357.696631][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 2357.708359][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 2357.728918][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 2357.747792][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 2357.763363][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 2357.773884][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 2357.792368][ T1939] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 2357.804494][ T1939] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 2357.828920][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 2357.839510][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 2357.848967][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 2357.859548][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 2357.869277][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 2357.879181][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 2357.921773][ T1919] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 2357.931464][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 2357.951775][ T1939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 2357.973558][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 2357.989670][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 2358.047839][T30582] Bluetooth: hci5: command 0x040f tx timeout [ 2358.104904][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 2358.126778][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 2358.165758][ T1919] device veth0_vlan entered promiscuous mode [ 2358.177926][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 2358.186463][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 2358.196708][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 2358.207521][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 2358.223136][ T1919] device veth1_vlan entered promiscuous mode [ 2358.249411][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 2358.260405][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 2358.273328][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 2358.324464][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 2358.335130][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 2358.346941][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 2358.359302][ T1939] device veth0_vlan entered promiscuous mode [ 2358.374462][ T1919] device veth0_macvtap entered promiscuous mode [ 2358.386740][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 2358.396228][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 2358.404758][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 2358.416169][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 2358.430970][ T1939] device veth1_vlan entered promiscuous mode [ 2358.443495][ T1919] device veth1_macvtap entered promiscuous mode [ 2358.454953][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 2358.464724][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 2358.474924][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 2358.533298][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 2358.545560][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 2358.555660][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 2358.566658][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.580148][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.591971][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.603161][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.614518][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.636235][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.647320][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.667098][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.686717][ T1919] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 2358.717021][T25500] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 2358.725833][T25500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 2358.749756][ T1939] device veth0_macvtap entered promiscuous mode [ 2358.763617][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2358.774396][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.789417][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2358.801156][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.813947][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2358.825977][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.837861][ T1919] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2358.850039][ T1919] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.863189][ T1919] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 2358.875120][T30582] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 2358.887017][T30582] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 2358.898654][ T1939] device veth1_macvtap entered promiscuous mode [ 2358.927827][T30582] Bluetooth: hci1: command 0x0419 tx timeout [ 2358.938331][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.952556][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.963272][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.975182][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2358.985922][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2358.998955][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.009951][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2359.021123][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.031849][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2359.042887][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.054943][ T1939] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 2359.070373][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 2359.080616][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 2359.139624][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2359.163883][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.185752][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2359.209561][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.220882][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2359.234781][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.246628][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2359.274607][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.286886][ T1939] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2359.298633][ T1939] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2359.311056][ T1939] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 2359.349507][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 2359.360588][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 2359.601206][T17615] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2359.613824][T17615] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2359.794273][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 2359.957649][ T1664] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2359.965901][ T1664] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2360.106007][T30652] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 2360.127689][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2360.146922][ T1866] Bluetooth: hci5: command 0x0419 tx timeout [ 2360.164780][ T1664] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2360.176013][ T1664] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2360.188250][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2360.203205][ T1866] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 2360.240208][T30652] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 2360.254547][ T2427] nbd: must specify an index to disconnect 16:54:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x3}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:15 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$nbd(r3, &(0x7f00000000c0)={0x67446698, 0x0, 0x4, 0x1, 0x4, "9e3fb457f0e9d0816f405490b281e15c273e0947ca6bfc19c720709f267e50d46d71809fb0a77fa9c6e6f7ef66fb02187a018ab08e2fd08452fb10782abd07e63bdc09f39c1552ff13db60800c3071c4a93266df41122e281f4e65e1458edda98694d5da05aeb20558d2"}, 0x7a) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:15 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000005c0)=@newsa={0x150, 0x10, 0x713, 0x0, 0x0, {{@in=@empty, @in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, {@in, 0x0, 0x32}, @in=@private, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x40, "48268e8ebb52ca7d849d822c41a5e40c07c5248f"}}]}, 0x150}}, 0x0) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000080)=0x0) fcntl$lock(r1, 0x1, &(0x7f0000001b40)={0x1, 0x0, 0x3fffffffffffffc, 0x4, r3}) r4 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000280)=@IORING_OP_RECV=@pass_buffer={0x1b, 0x0, 0x0, r4, 0x0, &(0x7f00000001c0)="ef51170e41ceb017fd2afc44a232e8025df30839e367efe330e8087135dacc3a02009e6da9fc0322be87cec4280c777e687da736cddab19946f74248cf3f55be02687ad9f512093edd51d3ef49176bb00814042b2ed34161e613c706b03f23418e0fce84855a39b15fe241392ad0cc3ddef299fcd0b736abb2d4a68dd0792309da9babfef392a3877ad286480b9f30590047da81196394e3d5090ad33c847996a92076ec8757", 0xa6, 0x23, 0x1}, 0x4) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r5 = openat2(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)={0x10000, 0x40, 0x10}, 0x18) ioctl$TIOCGPTPEER(r5, 0x5441, 0x100000001) [ 2360.423330][ T2439] nbd: must specify a device to reconfigure [ 2360.459571][T25372] block nbd4: Unexpected reply (65540) 0000000000000000 [ 2360.475816][T25372] block nbd4: Wrong magic (0x9e3fb457) [ 2360.485340][ T2437] block nbd4: shutting down sockets [ 2360.497762][ T2434] block nbd2: shutting down sockets [ 2360.616887][ T2448] block nbd4: Device being setup by another task [ 2360.625751][ T2449] block nbd4: Could not allocate knbd recv work queue. [ 2360.663686][ T2437] block nbd4: shutting down sockets [ 2360.896349][ T2462] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xc00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) ioctl$sock_ifreq(r1, 0x8932, &(0x7f0000000080)={'veth0_to_bridge\x00', @ifru_map}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@bridge_delneigh={0x28, 0x11, 0xd03, 0x0, 0x0, {0x7, 0x0, 0x0, r3, 0x0, 0x96}, [@NDA_LLADDR={0xa, 0x2, @link_local}]}, 0x28}}, 0x0) r4 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140), 0x8000, 0x0) sendmsg$nl_route(r4, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=@ipv4_getrule={0x1c, 0x22, 0x4, 0x70bd2c, 0x25dfdbff, {0x2, 0x0, 0x80, 0x80, 0x5, 0x0, 0x0, 0x7, 0x10010}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004804}, 0x40) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f00000000c0)={@mcast1, 0x2d, r3}) 16:54:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x4}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) ioctl$UI_SET_PROPBIT(r4, 0x4004556e, 0x9) r6 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x2, 0x1, 0xeab2, 0x2, 0x404, r5, 0x6, '\x00', 0x0, r4, 0x4, 0x2, 0x4}, 0x40) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r6) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x5}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2361.076074][ T2475] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xd00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2361.186276][ T5658] block nbd0: Receive control failed (result -32) [ 2361.187057][ T2435] block nbd0: shutting down sockets [ 2361.260930][ T2483] block nbd4: shutting down sockets [ 2361.295159][ T2489] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:16 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x6}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xe00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2361.458263][ T2497] block nbd4: shutting down sockets [ 2361.491366][ T2502] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1100}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x101000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) [ 2361.620656][ T2507] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:16 executing program 3: pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r0, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$VIDIOC_G_TUNER(r0, 0xc054561d, &(0x7f0000000080)={0x7, "aa3d8217a69c8f66521d55f07dddfb06591e9348524402bb64c9da9952d30072", 0x1, 0x4, 0x4, 0x1, 0x10, 0x2, 0x4, 0x8001}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x7}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1200}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2361.826110][ T2517] block nbd4: shutting down sockets 16:54:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x8}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2361.924094][ T2529] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2361.956764][ T2528] block nbd4: Device being setup by another task [ 2362.001653][ T2517] block nbd4: shutting down sockets 16:54:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x2a0881) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1800}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2362.252633][ T2546] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2362.300011][T25372] block nbd0: Receive control failed (result -32) [ 2362.308745][ T2500] block nbd0: shutting down sockets [ 2362.355102][ T2550] block nbd4: shutting down sockets 16:54:17 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x18}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2000}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2362.529990][ T2545] block nbd4: shutting down sockets 16:54:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2362.682440][ T5658] block nbd2: Receive control failed (result -32) [ 2362.683483][ T2525] block nbd2: shutting down sockets [ 2362.783416][ T2558] block nbd0: shutting down sockets 16:54:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x101000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) [ 2362.896869][ T2576] block nbd4: shutting down sockets 16:54:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x25}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:17 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2100}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2362.977877][ T2573] block nbd4: Could not allocate knbd recv work queue. [ 2363.001733][ T2576] block nbd4: shutting down sockets 16:54:18 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x2, 0x4, 0x400000000000000, 0x3}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r2, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_SET_VLAN(r3, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000240)={0x24, r4, 0x25, 0x0, 0x0, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r5}, @BATADV_ATTR_VLANID={0x6}]}, 0x24}}, 0x0) r6 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r6, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@bridge_delneigh={0x28, 0x11, 0xd03, 0x0, 0x0, {0x7, 0x0, 0x0, r7, 0x0, 0x96}, [@NDA_LLADDR={0xa, 0x2, @link_local}]}, 0x28}}, 0x0) sendmsg$BATADV_CMD_GET_ORIGINATORS(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x46120}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x64, r4, 0x420, 0x70bd2a, 0x25dfdbfc, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x8}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0xffffffff}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x7fffffff}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x2}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r7}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x100}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5, 0x38, 0x1}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x7}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x401}]}, 0x64}, 0x1, 0x0, 0x0, 0x20044010}, 0x10) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2363.067430][ T2585] block nbd2: Device being setup by another task [ 2363.102638][ T2591] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:18 executing program 4: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$BTRFS_IOC_TREE_SEARCH_V2(r1, 0xc0709411, &(0x7f0000000140)=ANY=[@ANYRES64=0x0, @ANYBLOB="000000000000000005000000000000000010000016000000000000ffff0000000000000400000007000000dfed0000954500000000010000000000000800000000009fb00000800000000000100000000000000000000000000000778040f0d55eb614e5538273704aa1a3a8e9e3aaf2f91e20"]) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_FLAGS(r3, 0xab0a, 0x6) [ 2363.133344][ T2593] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2363.151652][ T2593] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2363.212167][ T2582] block nbd2: shutting down sockets 16:54:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:18 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2500}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:18 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2363.346881][ T2597] block nbd4: server does not support multiple connections per device. [ 2363.377727][ T2597] block nbd4: shutting down sockets [ 2363.379082][ T2606] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2363.449081][ T2605] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2363.462742][ T2608] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2363.487753][ T2605] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:18 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x3f00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x2}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4000}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x3}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4100}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2363.986642][T24554] device hsr_slave_0 left promiscuous mode [ 2364.016827][T24554] device hsr_slave_1 left promiscuous mode [ 2364.032994][T24554] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 2364.058593][T24554] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 2364.073192][T24554] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 2364.082771][T24554] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 2364.095677][T24554] device bridge_slave_1 left promiscuous mode [ 2364.107138][ T2648] block nbd4: Device being setup by another task [ 2364.138594][ T2601] block nbd4: shutting down sockets [ 2364.160454][T24554] bridge0: port 2(bridge_slave_1) entered disabled state [ 2364.258733][T24554] device bridge_slave_0 left promiscuous mode [ 2364.265000][T24554] bridge0: port 1(bridge_slave_0) entered disabled state [ 2364.312971][ T5658] block nbd2: Receive control failed (result -32) [ 2364.313141][ T2612] block nbd2: shutting down sockets [ 2364.425386][T24020] block nbd0: Receive control failed (result -32) [ 2364.440350][ T2616] block nbd0: shutting down sockets 16:54:19 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x2, 0x0, 0x400000000000000, 0x3}) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r0) fcntl$lock(r1, 0x7, &(0x7f0000000080)={0x1, 0x0, 0xfffffffffffffffd, 0x9c}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x4}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4800}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x74}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:19 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2364.519147][T24554] device veth1_macvtap left promiscuous mode [ 2364.549406][T24554] device veth0_macvtap left promiscuous mode 16:54:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x4040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) sendmmsg$inet6(r5, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f0000000140)=[{&(0x7f00000000c0)="e6", 0x1}], 0x0, 0x0, 0x51}}, {{0x0, 0xffffffffffffffcd, &(0x7f0000000740), 0x100001bb}}], 0x2, 0x8000) recvmsg(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) r6 = socket$alg(0x26, 0x5, 0x0) bind$alg(r6, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r7 = accept4(r6, 0x0, 0x0, 0x80800) sendmmsg$inet6(r7, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)}}], 0x2, 0x8000) bind$alg(0xffffffffffffffff, 0x0, 0x48) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2364.648779][T24554] device veth1_vlan left promiscuous mode [ 2364.712725][T24554] device veth0_vlan left promiscuous mode 16:54:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x5}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000140), 0x1b3a81, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x40200) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x6}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2365.027425][ T2680] block nbd4: server does not support multiple connections per device. [ 2365.039737][ T2673] block nbd4: shutting down sockets 16:54:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6000}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) dup(r4) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r5, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_TIMEOUT(r5, 0xab09, 0x0) [ 2365.246833][ T2702] block nbd2: Device being setup by another task [ 2365.317963][ T2702] block nbd2: shutting down sockets [ 2365.404238][T24020] block nbd0: Receive control failed (result -32) [ 2365.408091][ T2672] block nbd0: shutting down sockets [ 2365.537444][ T2714] block nbd4: shutting down sockets [ 2366.283780][ T2714] block nbd4: shutting down sockets [ 2370.803282][T24554] team0 (unregistering): Port device team_slave_1 removed [ 2370.818407][T24554] team0 (unregistering): Port device team_slave_0 removed [ 2370.831516][T24554] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 2370.849925][T24554] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 2370.924856][T24554] bond0 (unregistering): Released all slaves 16:54:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x7}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:25 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6800}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:25 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:25 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:25 executing program 3: r0 = syz_open_dev$audion(&(0x7f0000000140), 0x0, 0x8000) ioctl$sock_bt_cmtp_CMTPCONNADD(0xffffffffffffffff, 0x400443c8, &(0x7f0000000500)={r0, 0x12a9}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) preadv(r1, &(0x7f0000000480)=[{&(0x7f00000001c0)=""/220, 0xdc}, {&(0x7f0000000080)=""/8, 0x8}, {&(0x7f00000002c0)=""/155, 0x9b}, {&(0x7f0000000380)=""/211, 0xd3}, {&(0x7f00000000c0)=""/43, 0x2b}], 0x5, 0x6, 0xd3e) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x7, &(0x7f0000001b40)) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$sock_inet_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000540)={'bond_slave_1\x00', {0x2, 0x0, @dev}}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:25 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0xb38) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) ioctl$IOCTL_CONFIG_SYS_RESOURCE_PARAMETERS(r2, 0x40096100, &(0x7f00000004c0)={{&(0x7f0000000440)={'KERNEL\x00', {&(0x7f0000000300)=@adf_str={@format={'Cy', '0', 'RingTx\x00'}, {"9bd41762d500ee5fb5a188584ee2f7053243deb6f9ab698e59a7f2ab072eefbaf631ac034696a434f327b879cc1edc159a281ce8cb5e31dfc096152e15bca7cb"}, {&(0x7f0000000240)=@adf_str={@bank={'Bank', '2', 'InterruptCoalescingTimerNs\x00'}, {"0c6e962e229602e381ce2cc4bdf0eee1639521ffc9cfaf9c715375f4d54f15f440604cb3d31f92234ba85ca3291b3493cbdeb430d46eb725a3913943a5a4a314"}, {&(0x7f00000005c0)=@adf_dec={@format={'Cy', '5', 'RingAsymRx\x00'}, {0x3}, {&(0x7f0000000500)=@adf_hex={@normal='NumberDcInstances\x00', {0x20}}}}}}}}}, {&(0x7f00000003c0)={'Accelerator1\x00'}}}}, 0x1}) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) syz_open_dev$ndb(&(0x7f0000000200), 0x0, 0x20842) ioctl$NBD_SET_SOCK(r5, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) r6 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='pids.events\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) setsockopt$ALG_SET_KEY(r6, 0x117, 0x1, &(0x7f0000000100)="6f5b2315d898b7c9f206a9b64030d62f8478c37faf3be1eff76fde12cddbba63a814dcd73b86867f43cd32c9f1f34e2935273bd1439d7f5ffe5151979f56a428ba834b7edf378ac22c4b9c12bbc9b370f091ff71f17b86b1977ef9f1f3145d3fceda08010bb6e63a76d9aa601a6b767fcf5ccae3cd7f73a55766d53cb9c1f972ce5d032d59062a08d24210e6ec2f77c1c97317ded6ca3f6db482056f234ba0190f6739676797dbc133a134c19cd1f6a1cae10276a300b3aa004f29289b75426b4c1f67d57ea7f77d84ea8f203d2b3c209e7fbf8ee453865cea52292fdf0eccc4ef25bde0f65eacdde1ee4d3d498358f80f556529f18aca", 0xf7) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2371.050093][ T2734] __nla_validate_parse: 12 callbacks suppressed [ 2371.050113][ T2734] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2371.090513][ T2737] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2371.096709][ T2738] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2371.123876][ T2734] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2371.134407][ T2737] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x8}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:26 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2371.278979][ T2751] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2371.309651][ T2753] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2371.396151][ T2745] block nbd4: Device being setup by another task 16:54:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x9}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2371.443649][ T2746] block nbd2: shutting down sockets [ 2371.457757][ T2754] block nbd4: Device being setup by another task [ 2371.502605][ T2743] block nbd4: shutting down sockets 16:54:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7400}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:26 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = accept4$phonet_pipe(0xffffffffffffffff, &(0x7f0000000080), &(0x7f00000000c0)=0x10, 0x800) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000140)={'veth1\x00'}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0xa}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2371.759395][ T2783] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:26 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7a00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2371.846739][ T2791] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2371.872343][ T2786] block nbd2: shutting down sockets 16:54:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0xb}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2372.017668][ T2798] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2372.066469][ T2754] block nbd4: Device being setup by another task [ 2372.083798][ T2745] block nbd4: shutting down sockets [ 2372.086510][T24020] block nbd0: Receive control failed (result -32) [ 2372.097903][ T2758] block nbd0: shutting down sockets 16:54:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$cgroup(0xffffffffffffffff, &(0x7f0000000280)='syz1\x00', 0x200002, 0x0) io_submit(0x0, 0x2, &(0x7f0000000340)=[&(0x7f0000000140)={0x0, 0x0, 0x0, 0x7, 0x9, r1, &(0x7f00000001c0)="80d97400ef30e5ea3fa3a8f55f41d97b656fef50a2eac9de37f22c9532990082c38fb8965ddfd3c72285e19420ea414208004405166335075296eee533c6788121fc03521baaa3b67ef4c06aa31fa38132f8f57abbb4fbb0ceb74150439133b3d8eb5f6dd07c5e7289e17adeea9d2ea94de122ba031da55df009accf930e984d7255f753", 0x84, 0x5, 0x0, 0x1}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x5, 0x5, r2, &(0x7f00000002c0)="cd7a8e1e63e90bef92bc0f1d34f4569b656755b3ff9151c698a44f4e274105d69257162edf3b22c051308e3f164409b0559663038e8d45", 0x37, 0x9b5, 0x0, 0x1}]) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000080)={0x0, 0xeb}, &(0x7f00000000c0)=0x8) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r4 = accept4(r3, 0x0, 0x0, 0x0) sendmmsg$inet6(r4, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) setsockopt$inet_group_source_req(r4, 0x0, 0x2f, &(0x7f0000000380)={0x1000, {{0x2, 0x4e22, @loopback}}, {{0x2, 0x4e24, @local}}}, 0x108) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$BLKPG(r1, 0x1269, &(0x7f0000000100)={0x100, 0x4, 0x35, &(0x7f00000000c0)="48a4f5986f22865661d36343f1c745dd2f618c2bc8dfb9b7bae6295154c2dbde4e6e27fad06eb9fcf50c9a12ec9b98063f20d62f74"}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2372.247270][ T2814] block nbd2: shutting down sockets 16:54:27 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:54:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0xc}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x7, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2372.553413][ T2830] block nbd4: shutting down sockets [ 2372.572462][ T2835] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2372.609207][ T2831] block nbd2: Device being setup by another task [ 2372.696244][ T2819] block nbd4: Device being setup by another task [ 2372.713302][ T2841] block nbd2: shutting down sockets 16:54:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0xd}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2372.785430][ T2830] block nbd4: shutting down sockets 16:54:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f00000000c0)={0x2, 0x9, {r2}, {}, 0x8000, 0x1}) fcntl$lock(r1, 0x24, &(0x7f0000000180)={0x0, 0x0, 0x29, 0x5, r3}) 16:54:27 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x8, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:27 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:54:27 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000140), 0x0, 0x140002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x2000000, 0x11, r4, 0xb5aa6000) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2372.908933][ T2857] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2372.996427][ T2862] nbd: must specify a size in bytes for the device 16:54:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0xe}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:28 executing program 3: socket$inet_icmp(0x2, 0x2, 0x1) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sysvipc/sem\x00', 0x0, 0x0) sendmsg$NL80211_CMD_GET_FTM_RESPONDER_STATS(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x0, 0x300, 0x70bd25, 0x25dfdbfc, {{}, {@val={0x80b90dc0795bdf8a}, @void}}, ["", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x10004}, 0x11f636255a67beba) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) ioctl$VIDIOC_G_SLICED_VBI_CAP(0xffffffffffffffff, 0xc0745645, &(0x7f0000000380)={0x1000, [0x81, 0xffff, 0x9, 0xa0a8, 0x2, 0x1, 0xfff, 0x6, 0x0, 0x7, 0xff, 0x5, 0x5, 0x8, 0x0, 0x5, 0xff0f, 0x200, 0x7, 0x8001, 0x600, 0x9, 0x7fff, 0x1, 0x4, 0x7, 0x6, 0x4, 0x20, 0x7, 0x32, 0x4, 0x7, 0x80, 0x9, 0x1, 0xfff9, 0x54, 0x40, 0x5, 0x7, 0x6, 0xfc0b, 0xa, 0x8699, 0x6, 0x8, 0xd54], 0x2}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f00000000c0)={0x0, 'bridge_slave_1\x00', {0x4}, 0x1df4}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) ioctl$CAPI_GET_ERRCODE(0xffffffffffffffff, 0x80024321, &(0x7f0000000140)) r2 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000080), 0x200000, 0x0) bind$unix(r2, &(0x7f00000001c0)=@abs={0x0, 0x0, 0x4e24}, 0x6e) r3 = mmap$IORING_OFF_SQES(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000002, 0x4010, r0, 0x10000000) r4 = syz_io_uring_setup(0x47a9, &(0x7f00000002c0), &(0x7f0000ffc000/0x2000)=nil, &(0x7f00006d7000/0x1000)=nil, &(0x7f00000001c0)=0x0, &(0x7f0000000100)=0x0) r7 = socket$alg(0x26, 0x5, 0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r5, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r8 = io_uring_register$IORING_REGISTER_PERSONALITY(r4, 0x9, 0x0, 0x0) syz_io_uring_submit(r5, r6, &(0x7f0000000200)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x4, 0x0, @fd=r7, 0x0, 0x0, 0x0, 0x43847ce028b81cf9, 0x0, {0x0, r8}}, 0x0) syz_io_uring_submit(0x0, r3, &(0x7f0000000340)=@IORING_OP_TIMEOUT_REMOVE={0xc, 0x0, 0x0, 0x0, 0x0, 0x23456, 0x0, 0x0, 0x1, {0x0, r8}}, 0x3) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2373.140622][ T2873] block nbd2: shutting down sockets [ 2373.222799][ T2876] block nbd4: shutting down sockets [ 2373.267650][ T5658] block nbd0: Receive control failed (result -32) [ 2373.278526][ T2821] block nbd0: shutting down sockets 16:54:28 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x18, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x10}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2373.386502][ T2880] block nbd4: Device being setup by another task [ 2373.396928][ T2866] block nbd4: Could not allocate knbd recv work queue. [ 2373.411482][ T2876] block nbd4: shutting down sockets [ 2373.491430][ T2888] nbd: must specify a size in bytes for the device 16:54:28 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xddde41392b77dc38) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x3c6) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) accept4(r4, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r4, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) r5 = socket$alg(0x26, 0x5, 0x0) bind$alg(r5, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) accept4(r5, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r5, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x91440) bind$alg(r4, 0x0, 0xfffffffffffffd3a) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2373.598378][ T2896] block nbd2: Device being setup by another task 16:54:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x11}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2373.669779][ T2896] block nbd2: shutting down sockets 16:54:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x12}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:28 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2373.823905][ T2918] nbd: must specify a size in bytes for the device 16:54:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x4, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:28 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x9, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2373.978832][ T2931] nbd: must specify at least one socket [ 2374.075513][ T2935] nbd: must specify at least one socket [ 2374.101542][ T2938] block nbd2: shutting down sockets 16:54:29 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x26, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000004, 0x2}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2374.378268][ T5658] block nbd0: Receive control failed (result -32) [ 2374.388272][ T2889] block nbd0: shutting down sockets 16:54:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x18}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:29 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x5153c2) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r3) syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x101000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000000c0), 0x29a800, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_BLKSIZE(r5, 0xab01, 0x10001) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x240200) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:29 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x21}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x0, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2374.657113][ T2957] block nbd4: server does not support multiple connections per device. [ 2374.684354][ T2957] block nbd4: shutting down sockets 16:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:29 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2374.836141][ T2970] block nbd4: Device being setup by another task [ 2374.928685][ T8409] block nbd4: Receive control failed (result -32) [ 2374.929120][ T2969] block nbd4: shutting down sockets 16:54:29 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x25}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2375.401718][T24020] block nbd2: Receive control failed (result -32) [ 2375.401791][ T5658] block nbd2: Receive control failed (result -32) [ 2375.405827][ T2960] block nbd2: shutting down sockets 16:54:30 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) getsockopt$IPT_SO_GET_REVISION_MATCH(0xffffffffffffffff, 0x0, 0x42, &(0x7f0000000080)={'TPROXY\x00'}, &(0x7f00000000c0)=0x1e) 16:54:30 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x4}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x41}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:30 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x48}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:30 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:30 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x5}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2376.056080][ T3034] block nbd4: shutting down sockets 16:54:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x4c}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x6}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2376.257165][ T3047] __nla_validate_parse: 12 callbacks suppressed [ 2376.257186][ T3047] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2376.334809][ T3051] netlink: 2 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2376.649919][T24020] block nbd2: Receive control failed (result -32) [ 2376.649987][ T5658] block nbd2: Receive control failed (result -32) [ 2376.665063][ T3015] block nbd2: shutting down sockets [ 2376.779902][ T3034] block nbd4: shutting down sockets 16:54:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:31 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/consoles\x00', 0x0, 0x0) r2 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000100), 0x602203, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x200) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x60}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:31 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x9}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:31 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:31 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) sendmmsg$inet6(r3, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) r4 = creat(&(0x7f0000000540)='./file0\x00', 0x0) sendmsg$kcm(r4, &(0x7f0000000700)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f00000005c0)="ac1ebf18fd618bb94bdb715b044334c3ba45b9531b7351a9fddab2c670896a074dbdc0d599cc82c670cdfa5d6c", 0x2d}, {&(0x7f0000000600)="84e10204179d65e4ea98a7919cb706c85a03497af241b36a818a42a6dfbf22b53fe943567baca1ef34326aadee633964184d7d43a6f0b4bf521e9d46b696931145a175d23aee22c8b6313243ec668d28f3496590038b6fcf63bf858f74b79351874bd5", 0x63}, {&(0x7f0000000780)="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", 0x1000}, {&(0x7f0000000680)="cf85", 0x2}], 0x4, &(0x7f0000001b80)=[{0x28, 0x84, 0x8, "5d812a53e1c957c32259a3dfb3ba256acbd1656105ee"}, {0xb0, 0x0, 0x3, "5a0808b88c1c24f55fd48d894e9aef1939d1403e2d88c278adc346f7b683ffd5565caecffa8ed8d5fa42c859cb13a007fcfd7b22a2627370e9660fb6fec3f50246cb9f77908b1b778237742caa49c79119f39feda6990dc1d9b5a0b53df35fca1aa8ccaf22778dc114d44877e3e7f69e4fab9f90a3cac97a94921489c2b9518f587f7c997fdd8b9359981f2bd4e5bd6795a5c848f1ea5de76277"}, {0x30, 0x100, 0x1f, "f4c6c6e588c535f12519799c6972f67c9294eceb916cf25e57494197d7"}, {0xb0, 0x10f, 0x5, "ca6ee51eadb9f14b67d98eb43e2498e1ac15ce615b09dda446a76a24c75e105982b74c3913b07bc26d26bfc9a6d50d37225a187ab6ba3bc355e151f6fabe613a9d85e05fe7b71a72a6e400db9be9caacc2425fae736f76de8e67b5149d627097d3ecf4cd6af7cdb4c161bbf30bc2e79bfd5fa3264340ffa74a8ff4b09ff5e359f6679d55650060af71746cbbafed927aa9c26454ede33039c14f"}, {0x50, 0xff, 0x1, "7144520fd2a09313b006dbf921ba387e174d3cb50055c0caf388f16e73cb1a7fa9f6e0b2b44a9608a00bd286b3b268b2b58a1c538342c08ed9ed88bc5adcd5"}, {0x108, 0x111, 0x7fff, "c367ccc4d8c8420c57108b75c7dfcc18e60d3d54a6fe30c947b1e794af7fecc432e29b9b793bbcce488cbec7632d7aaf723f564440b4eee5c3522cf02c93264d5c5ecc1a4732fc6d02974eccced7950b51ee42411a91a62e443382e5f6a148a8fb3d3237550b3028c37c3c765094d318fd18b043f518030b9b0596f531ae3770a80b2beb2120958ab97f166565c74fb8850df214a660ad390e4b0b9085184a90c1a65d1e8d7dd367d34049383c2d6ac3fc36952c10b9fb3afc4424cc3a69a8f74828ed403ee1e7a79bd5db09d2ee9928b735fa39ef9e29703e26daa987b5647512e51f21866ccd2bcdce7ccdb61c4d45cc5b51a231b660"}, {0x108, 0x10a, 0x1, "7df90827b99379f639064c575e960e466f075c68a392bca1e924153880305c706689d7d3838ac323e0d01268953d535ad8aae38c6398a330bf203787ba7cdf8e3bd977595da9b4aba9daf1251eb83fc6f9c73f10c3c4915aee29babe2c2ede4de9c6f8f591a6dc3f6006f480c0102dc6a8f62383bce4bedc01a0d457fda9a27a58218de83bbf6d306264a74fb36584aabcbba7ad8f4655535f54239c882267323bc72dd8fc42fe30090a6cca239d2af0a95e78903361d3426f2a13e5ff70ca7170a60b0a9e20b14e9aa694630d559dc5b31fbbf50042a29ba698c3a4cf4e3c4ffa76f9e13a2e1d20de1bbe037d1c02ca78e680d0f8e139"}, {0xf0, 0x103, 0xde3, "f206e124f1f914374d6ee76468c24c17fa5a268da740e2457919ce8d5ebd431168f8528795721683ab4c4adc1a5c6a8988ce21ccc4eba3981c47a6060f63c63610a558320aada8f3e196510de7401b7d11400e72801d519296157ca793be9f0853d01ba1e563f0998b4514ec8a3d6cf6255bed8d26f4b5746d85420f6143705f3f8a2d4a9ac80402d2ac1be2d09d6242d62183bf5c52903a7500c2e276d602daaafd49eca12c22fa32937355757ce2bf7e2b8632b2ee000e13cb986823e0b383c05b254f7fe67ba8b9176de221b49b230daabbb7e58fd7439b7efea9"}, {0xa0, 0x10f, 0x200, "f388d449410e1d5a8f733c692c6ea1d64d0edda8289673fda35fb57a30b5f83db123dce92fe64e3cd82d022548bd347ee044b70f52a9002dfea2f5fc68b012d0dfa1d0048798ace23ad93779613ff9cbe8205e30fb3be3d757b39bef4991a2bfe661130157b2947d9756c1ce6198d9240f078dcf06ef68d4118b374879cd75af29a45bebaeef26439a0f"}], 0x5a8}, 0x4008880) recvmsg$kcm(r3, &(0x7f0000000140)={&(0x7f00000001c0)=@l2={0x1f, 0x0, @none}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000240)=""/244, 0xf4}, {&(0x7f0000000340)=""/129, 0x81}, {&(0x7f0000000400)=""/115, 0x73}], 0x3, &(0x7f0000000480)=""/156, 0x9c}, 0x40000100) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) pipe(&(0x7f0000000580)={0xffffffffffffffff}) vmsplice(r5, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$UFFDIO_COPY(r5, 0xc028aa03, &(0x7f0000000080)={&(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x1}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2376.980523][ T3068] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x68}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xa}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 2377.225456][ T3088] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x6c}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xb}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2377.375656][ T3073] block nbd2: Device being setup by another task [ 2377.417125][ T3080] block nbd4: Device being setup by another task [ 2377.484437][ T3103] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2377.517678][ T3086] block nbd4: shutting down sockets 16:54:32 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0xc000) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:32 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x74}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2377.755058][ T3117] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2377.766213][T24020] block nbd2: Receive control failed (result -32) [ 2377.768357][ T3079] block nbd2: shutting down sockets [ 2377.894419][ T3124] block nbd4: shutting down sockets 16:54:32 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:32 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2378.138679][ T3138] block nbd2: shutting down sockets 16:54:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) bind$unix(r0, &(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$SOUND_MIXER_READ_DEVMASK(0xffffffffffffffff, 0x80044dfe, &(0x7f0000000140)) 16:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) 16:54:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x7a}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:33 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000100)={&(0x7f00000000c0)=[0x3, 0xf, 0x1, 0x1000, 0x3, 0x101, 0x10000, 0x51ea], 0x8, 0x180000, 0x0, 0xffffffffffffffff}) r4 = syz_open_dev$audion(&(0x7f0000000140), 0x100000001, 0x10400) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x11}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2378.751436][ T3154] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:33 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:33 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x29}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2378.831623][ T3162] block nbd2: shutting down sockets 16:54:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:33 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2378.982176][ T3169] block nbd4: shutting down sockets [ 2378.989445][ T3164] block nbd0: shutting down sockets [ 2379.017431][ T3175] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:54:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2379.069067][ T3163] block nbd4: Could not allocate knbd recv work queue. [ 2379.083668][ T3151] block nbd4: shutting down sockets [ 2379.164391][ T3190] block nbd2: shutting down sockets [ 2379.194666][ T3192] nbd: socks must be embedded in a SOCK_ITEM attr [ 2379.211010][ T3191] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2379.228538][ T3191] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) lseek(r2, 0x6, 0x1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000001c0)={{{@in, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in6}}, &(0x7f00000000c0)=0xe8) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=@ipv6_newaddr={0x94, 0x14, 0x8, 0x70bd2c, 0x25dfdbfe, {0xa, 0x20, 0x10, 0x0, r3}, [@IFA_CACHEINFO={0x14, 0x6, {0x1, 0x80000000, 0x5, 0x3f}}, @IFA_ADDRESS={0x14, 0x1, @mcast1}, @IFA_LOCAL={0x14, 0x2, @empty}, @IFA_FLAGS={0x8, 0x8, 0x55a}, @IFA_LOCAL={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @IFA_FLAGS={0x8, 0x8, 0x64a}, @IFA_FLAGS={0x8, 0x8, 0x400}, @IFA_ADDRESS={0x14, 0x1, @mcast2}]}, 0x94}, 0x1, 0x0, 0x0, 0x4000080}, 0x40) 16:54:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000000080), r2) sendmsg$IEEE802154_LLSEC_DEL_DEVKEY(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000400)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan0\x00'}, @IEEE802154_ATTR_HW_ADDR={0xc}, @IEEE802154_ATTR_LLSEC_KEY_ID={0x5}, @IEEE802154_ATTR_LLSEC_KEY_MODE={0x5, 0x2b, 0x1}]}, 0x3c}}, 0x0) sendmsg$IEEE802154_SET_MACPARAMS(r0, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r3, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@IEEE802154_ATTR_LBT_ENABLED={0x5}, @IEEE802154_ATTR_DEV_NAME={0xa, 0x1, 'wpan4\x00'}, @IEEE802154_ATTR_CSMA_MAX_BE={0x5}, @IEEE802154_ATTR_FRAME_RETRIES={0x5, 0x28, 0x2}, @IEEE802154_ATTR_CSMA_MAX_BE={0x5, 0x27, 0xbb}, @IEEE802154_ATTR_CCA_MODE={0x5, 0x23, 0x5}, @IEEE802154_ATTR_CCA_MODE={0x5, 0x23, 0x7f}]}, 0x50}, 0x1, 0x0, 0x0, 0x4040014}, 0x40051) r4 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r4, 0xab0a, 0x3ff) r5 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x3}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) [ 2379.530286][ T3212] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2379.549462][ T3213] block nbd2: Cannot use ioctl interface on a netlink controlled device. [ 2379.564281][ T3214] nbd: socks must be embedded in a SOCK_ITEM attr [ 2379.567541][ T3208] block nbd0: shutting down sockets 16:54:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x3}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2379.608504][ T3213] block nbd2: Cannot use ioctl interface on a netlink controlled device. [ 2379.632997][ T3213] block nbd2: Cannot use ioctl interface on a netlink controlled device. [ 2379.670362][ T3226] block nbd4: shutting down sockets 16:54:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 16:54:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x4}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r2 = openat$binder_debug(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/binder/failed_transaction_log\x00', 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_DO_IT(r5, 0xab03) dup3(r4, 0xffffffffffffffff, 0x80000) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r6, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x2000000000) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:34 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2379.818870][ T3232] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2379.855406][ T3235] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x5}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2379.865130][ T3234] nbd: socks must be embedded in a SOCK_ITEM attr [ 2379.883402][ T3235] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 2380.004419][ T3248] nbd: socks must be embedded in a SOCK_ITEM attr [ 2380.087398][ T3240] block nbd2: shutting down sockets [ 2380.118278][ T3258] block nbd4: shutting down sockets 16:54:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x6}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2380.176750][ T3259] nbd4: detected capacity change from 0 to 274877906944 [ 2380.189406][ T3237] nbd4: detected capacity change from 274877906944 to 0 [ 2380.256832][ T3255] block nbd0: shutting down sockets 16:54:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x5}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) [ 2380.328155][ T3270] nbd: socks must be embedded in a SOCK_ITEM attr [ 2380.376183][ T3268] block nbd2: shutting down sockets 16:54:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x7}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2380.517756][ T3271] block nbd0: shutting down sockets [ 2380.536172][ T3281] nbd: socks must be embedded in a SOCK_ITEM attr 16:54:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2380.700139][ T3292] block nbd2: shutting down sockets [ 2380.792614][ T5658] block nbd4: Receive control failed (result -32) [ 2380.809864][ T3258] nbd4: detected capacity change from 0 to 274877906944 [ 2380.822966][ T3259] nbd4: detected capacity change from 274877906944 to 0 [ 2380.837742][ T3251] block nbd4: shutting down sockets 16:54:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$BLKTRACETEARDOWN(r3, 0x1276, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = openat2(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0xa0500, 0x10}, 0x18) ioctl$NBD_SET_FLAGS(r5, 0xab0a, 0x1) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x20080) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:35 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) r2 = socket$netlink(0x10, 0x3, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setgid(r3) r4 = geteuid() setresuid(0xee01, r4, 0xee01) setresuid(r4, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r5, 0x7, &(0x7f0000001b40)) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r6 = geteuid() setresuid(0xee01, r6, 0xee01) setresuid(r6, 0x0, 0x0) lstat(&(0x7f0000005040)='./file0\x00', &(0x7f0000005080)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r0, &(0x7f0000005140)=[{&(0x7f0000000080)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000140)=[{&(0x7f00000001c0)="2d3dc7b2a7c92f767c56679c14d2328c4ef8a2e55c468a8853c7cbda5d2d0cbf2eef8b8e6a00d68f2b8a83305499b893fdf87d31ed942536661602596878067ade9083c35d9329ef6c9560f7ae703a133a13e9105ad01ca601305f2e2b0d8c829900d8955f44f8ec8bf0cb51833c876dd9347e6241ca6bd70d51dfb4768dd7c2d5b642607fb1978c9518a8286c5ef85b9ae6d636f6c90cc6a9ca8188f65eefcd3a10da3b58e0b769fd674cf2ccda26be743e501a5d6a392b7e20bb08cfec80c987710ca1363c8d735f8788a67f73bfcc29c5f1604aff286947a446de96d88fac390e3f8cc616c536", 0xe8}, {&(0x7f00000002c0)="8184054fafac3ef0db4c26cbe58f3b37560973fcb9d38bc7e45cc1f60d110e70d8e152dad07146514e81a13b4c5f7c56cc856827ff5810ef3797d653a8dd2e6aae0714a8e7176a7e6a6bfc5faf716ab64252374dea2ce50994d7e74ff7fbc2", 0x5f}], 0x2, &(0x7f0000000380)=[@rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x30}, {&(0x7f00000003c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000001880)=[{&(0x7f0000000440)="5907b56c943702cd34", 0x9}, {&(0x7f0000000480)="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0x1000}, {&(0x7f0000001480)="152cab3ae7b25edba5837a5f9cbe143b63ec428d6115bd23e3c685b654d414aade47a6781eaaae3646995abb9635fefd50b43b1530e4302819ae50bf7dcbe949243ad8a67de652b264554d2e4df5fa924e41b603327f816a5e830c80be5a157eb0c5374c57d4bf87999db64428b8b3d4b2737523122f50bd24103f443a6e1999686e5afc144d20c001942e3651ed883db47dee3010d9ed0ff04bf5566fd7a3ba94d37ae1455d30a8f39ccc37887a2fc15b28a20530786d6b97417953a2e21e968c88206858cb659ca29d40456e10ff354897618e0c2e", 0xd6}, {&(0x7f0000001580)="debad630a90044b723aa4b6ac418207f9b96905913cb3934de79161ab1e8b73a34e6038457e3779afea38f416b265f526dcb6d0690867922f49a181d60a0f69c99ec04cb5f0f3d86e7755692717c7d5a3e9a44a6f677fc10a8b689e4c0ef8632051ff230ef41da27693f567487af3c5c20714cb2cd94c69afc1031530c759d7212e00d824288f213568e5f6e37e85090920a48e44e734f4dde9f45f9a820a27c350c900705f3df372408dd1958d876883e8950cc026f96a627eab1b491c4be65d9e0133535360914", 0xc8}, {&(0x7f0000001680)="c66bcb2629e849fd99776d82fe2d27bf516dc7270e16eaa8e9b154509236192df11e9b763b50630f538247d629004ef730882eec9200e561a9591439985c236ee9380cea219e947bb5058db9c30ec3c75e186fb2d72db1ced7a7c6887992a577e67725b4d39b43e38dc5c3cfe30ca2f32546140af7a2643edc15418fd631f48a54a7291c6ccf2aca1e0e7351cb4bed97f1675e4a304dc37cb0d633d78e221fdbc64235fc1afdb7e00d1da1b4f51635192f6c71be491c67c2ad32a3aaf34536f8e3b2e81a21ed717dcc977eecdf55e3ef752c5bcb1615495f1df9f95296f4", 0xde}, {&(0x7f0000001780)="a8de663cd6f1a2c505034493723a38c14980f224d8fd071bb64b94d07fce689806432814b2072d0830c8844aca2b8e5e47d529aa36690757aef51e4835797e9410f560c5c45b12609c8507c3085a2c5d42dbc0877b949d7d6d1bb04583fd624450482f81c136374e3297c9b7878d3448d648fc3516f4035359bf228c3def09258ec1634fa4653a49076922b01c98d6ef53e2bcf54ceee5c5ac5c50570375fbbf8ae3b7a737e8d24edb4b8a2737c000b876dbf1fa26a55b731f532b747697585c0988dde6c6de1d8f7b0f67b507393a8caef9703001013b38f0953bb299a5778456ccc42c15896d5334acc59f8e5e5358", 0xf0}], 0x6, &(0x7f00000019c0)=[@cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [r1, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, 0xffffffffffffffff}}}, @rights={{0x2c, 0x1, 0x1, [r0, r0, 0xffffffffffffffff, 0xffffffffffffffff, r1, r1, r1]}}], 0xa0, 0x24000054}, {&(0x7f0000001a80)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000001b80)=[{&(0x7f0000001b00)="80b9cebda145ecf91dbf48d7fd6cc0b8f233f68ce99920e7bc26", 0x1a}], 0x1, &(0x7f0000001c00)=[@rights={{0x38, 0x1, 0x1, [r1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff, r1, r0, r0]}}], 0x38, 0x40004}, {&(0x7f0000001c40)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000001dc0)=[{&(0x7f0000001cc0)="4dedaa6f1fb0cce75177fa984271e443bf3eb02813bea8e781793b8e11a96bbc28a4a2805bd4b24d17f0704d0020a868c6eaa57b6f1f5a5e2b69fcb1cd053051229514c171bec51c04eb1de1dd29df362e6f8a976f74f57068133092ca64466d23da26ef97b33600eef43552a07eaa455cafbfea26aaf418a30b146f6588e18f7ae733f3677a3e47947fcf7116764152095b363910e5ab8e71089ce9d442686c5c59ccad734eaad48127f6f996f92b93cee68ebd27786a63f2554e44572ea15c3ae94ca39db5c1bb", 0xc8}], 0x1, &(0x7f0000002100)=[@cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}], 0x60, 0x4}, {&(0x7f0000002180)=@abs={0x2, 0x0, 0x4e23}, 0x6e, &(0x7f0000002340)=[{&(0x7f0000002200)="0c52766844cc05e1c60b663bfe7ab49ec1fd6a034c13838b73459aca85b8c45b8bef61c30e1e02146fc887d3aa187b1f9d8542e8508103bc3608365b978a7a306acd231a9c020476f28aeb561e038dc9c5b91eecb3473bbc29790e3e4d86d24a918d2c", 0x63}, {&(0x7f0000002280)="ef2cf0efdd1d7f2e756654bee01416d72d059a39f41b37d25d4fe60254636c0f54993ab3c36ccdb7fc08c289750b85c76adcea74bc36d4a3d1395ef63f17b8f9adb3932b4a3718bfb35b192199684b7a403ab9fa5af610ba3606fedbedca4f1d91fb676612336fe00405c7a8e999324a832f41fa3d4d0cf533e7aa97aa58ad119f762dffbac7ee02a905082bbb9c0d1a8829a0b81b65128c9885202c09b9c7033b8b2268ef9a157e5d1cfc11c39e16086502eaeb104eb9b4fc7cbd", 0xbb}], 0x2, &(0x7f00000029c0)=[@rights={{0x20, 0x1, 0x1, [r0, r0, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee01, 0xee00}}}, @rights={{0x24, 0x1, 0x1, [r0, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, r0]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}], 0xf8, 0x40800}, {&(0x7f0000002ac0)=@abs={0x1, 0x0, 0x4e23}, 0x6e, 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&(0x7f00000043c0)=[{&(0x7f0000003f40)="c8833e91b6ea58bd228397c19b729da505ed49fec3ce781a0c4d74fd257b473ab960cfa3ded3564100fa1f0c06be12f3fc36a75535206037a3bd8515d94c47bb3237fb1ac0f6c555f3b8df32ae92fdf57d56578e2016862f16e3d0fca17b1f978a3c2c81e1d21a65ff5afe3c3eeeb42f75e33fa74b29832ab05a473dd4237a8acf39d2ad0589498dd2c1ea0a4bf3a6d720d5df5a56da63be005626ec75d18ee81ce7778435392a52ad89cc1902955aa9f0e34e980c806571783adeb4b88da086578a29a57ec44ea5ae41f44480cf8c2d55f20575f29280cc382081b885aaa8b8e1d1093f", 0xe4}, {&(0x7f0000004040)="184ff60c7a932eae92ef20cdbeaf20bebfdd3cd0e049b94ec2a68b59", 0x1c}, {&(0x7f0000004080)="4173cde5f238a4711dfc326ad4120ce5a25411cfd18dccd70f", 0x19}, {&(0x7f00000040c0)}, {&(0x7f0000004100)="7fe845e68936ec5f4d11f75e2514931fadb5811b41b811b886fa243e2ed00e63f29dce90a0b0591e9de927402fb1691a753329d22ef80d5abf8fd434a4e180c228aadd347ea247c953546005f1", 0x4d}, {&(0x7f0000004180)="30e85ff63855eaa6ac3fde2c1d64d762d82b7f72a703eb2222d03f7f21baf43b1df8d74e2ee18bb8feca029291a49c7ad1193b5e4a152092e02621470c248b282fdb75cb58baa63199841205aa50f2fab6e7a3e634ef4cead42987cbffa918a90c1aa0a7f92907efbf08a11b238fb05cbd705257a5d9ad21b7ee22b2292feb7c93d9bfab7caa57229b54f8e16e31c0f2503b92", 0x93}, {&(0x7f0000004240)="c58161490e2013e22794d5aafa54df60941d1f19148c820e012db2e061d45a6cc8a9c31542920ee63d382457bf10e74439cefa7e0fe37b80331bbd2d444fb78614bdc7159646f2d8b535908b78157a", 0x4f}, {&(0x7f00000042c0)="fb81b1ab7ec06853733255ad69f0937ff76495c17da3a44e3b43b62ba97bc8c3118d0ec1d594130ee972e85a15445ba8b8a03b14d4739af7c30fce3cf7bddc3869de03767a3b7beb0172eb902d618f1db6f34759e920c5b30001301f2e46b79cb177b05d748e055d4295dacfca94f994e6c8f9f644519b1c7ee197fd2e72c4", 0x7f}, {&(0x7f0000004340)="f8c19dacafa1f299ed61920375fa95962977fb7de58bbf7b71a87e914e7eb09f0a0a2aad6424a7e686497895acec7d4445dc2f073e4158c1b4ccdce8085222e7a1984ab860ece27b593b4923e064a94d6e0691f80194ad7f18825612f172", 0x5e}], 0x9, &(0x7f0000004540)=[@cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [r0, r1]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, 0xee01}}}, @rights={{0x18, 0x1, 0x1, [r0, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x30, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r0, r1]}}, @rights={{0x18, 0x1, 0x1, [r1, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee01}}}], 0xf8, 0x48010}, {&(0x7f0000004640)=@abs={0x0, 0x0, 0x4e24}, 0x6e, &(0x7f0000004940)=[{&(0x7f00000046c0)="88e7233fe3ba5eeb2d6696ee03d73d71ae974c319df41761478215a096794eafb3187fddf7a3963e70f13642adeb60598107821c4459db9f7355bd3648199bc6abd24994182525118fc4543030207b47133a75f7c11b91d15f766669531f59d1836e831b4135d141f55d23369302258458c37cce09203617a9c16f6017ee1305bb35f10563c9d3d49014a9b7f8f10db16b5c64d664a654e611f4c1562a6046499a2a38e1ff70a6d455a19383b00d1c51a8330e3368d5", 0xb6}, {&(0x7f0000004780)="24793f338587d7167db6632d294a3a69ca84890bb57d5d6802bddf091891c2f3dd0299198537bd178be879060fb9a3a4c4665c73fb3715530ba163c643e6906d28434c532898", 0x46}, {&(0x7f0000004800)="69132953cdea815a8720b1bbb00db7fea73310b1393a4b98448d017047cd902cf65bc5ce1c2a9edb2903bba0aac6b5e25d8dd415b720155f7a1a97a585255fe1c01a72688ef3202201bd770c0958c063a268b85ee095e0a16671a0098cef3a0f50375e89523598527ba752488098f2b288be8cd8766743a2da15e85ceffdf53cf3eb1833a2f4d11c5ee89ac9490323e43c2d35cf0ca199e7e18c37eafc187294f1b5", 0xa2}, {&(0x7f00000048c0)="debabf84d6848a6bd1752b2bedf2a6f7b37d2381f174c525ab590ae47d54dbca4d0838addc79e725845ad5fcdfa90ca38d5502559b2ba25a1cdb135b61917a2bf0779ab05022e70adeb83515d2104bec1eb034aab414b22887b7a192365cc8f91c95adaf4688cb672675cbdaedb2e07e300c4e47221aa45fc83c3d96bb5f", 0x7e}], 0x4, &(0x7f0000004980)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee00, r3}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r4, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [r5]}}], 0x78, 0x800}, {&(0x7f0000004a00)=@abs={0x0, 0x0, 0x4e21}, 0x6e, &(0x7f0000004f80)=[{&(0x7f0000004a80)="585b35ebe9d7a237aaa1794e7ac57e8d315c6e7bf239ae9c993dd520ba43ad28c15221ac49a5ff975974509240c81b53980feb2b483e85fe72934217a605994ab3e5c8de81a96ac863aa8ed2533a8cc3ee3b7f40f26474fffee23f34157bc2dd7b6d1a51e1288d23821c4106951a4d82e150615ea42e0e270d1afa0a4dfed5cb81769257e5170bf0a19df01e45bf56a2b3ff6810af281d1e3833d0d92200f2a11095f9e40b5561a073e8784fbe952552e2c7721142a7c752e945b13e42525d9134ddd2a452db552ced13e4acb53b6b48", 0xd0}, {&(0x7f0000004b80)="8d85c069a0dbb6b1322780cc9e56a1b27760c6ff94", 0x15}, {&(0x7f0000004bc0)="741edd0178ce1931fe14983964348f582f39614637b0c8b70181bad895f344ab71c604ce74558ab203d958a5016d2d1d84148e9da538ad0e8b47331b94bf0dbe164c0caeb4d0d5a701ae872e10648cd5eddd5f5a8328ad5cb96316f3e7557486b57ef92fadd08702484d917d816678c81db8f8fa8e70c3ffc889c9763b850b08924404590246d7afc2955a2d46f6a7e4ca10a1d01b5f6f341c5f420b91d06bd5c7b73f6ee3aaa88c3ec8a0788cf029c3327b1523e1ddfc0f35e93627c887551546beaf01fa6a524ac7e1f9", 0xcb}, {&(0x7f0000004cc0)="59122681e2d43fcc19f0a43e81c6e445ba8ade279087314599b561584115297f13d8fa49cc5cb95e080ed39fd0b9000c", 0x30}, {&(0x7f0000004d00)="2453920e6e305c389491eea57a2797b56483f55c28cbef0867360079d8a60edfd7077ceb92c141148683744398b4db29268cf05b33f9985436f023e09da3f2d9cb3da61095bdf0f2ef48bc9504cb9ecdd7bfc897598ba2ef5132121087c60bec57ac908073657e0ad651aec86ec539bb9d9fca88080673eb20efc82822dfc642e337852beade3ef202376510785a2bc3d5f22c1b5568", 0x96}, {&(0x7f0000004dc0)="94f286ba473a24932bf4682a4b9a7c5be5407e2512827bcd508921c873870de83269db367ffb166c08d8121d5d3d01995d3526aac7892ac1818c7d6885a32bf06e1c09577160a841ce64b6902d7894d34da8d4ff3fc4d7ddfc5c08a8d8f19b786432b6c770321d", 0x67}, {&(0x7f0000004e40)="10b8c719befcbdeef234dd579b9616f5a2a46714678ef531618df277554a89d6d7239bdd31af2e88e9bf8ae451313498b0c9656693f0dbaf62567c60906492d56c2749871e159f91ff964fd5195a97dbfdb1473550b9eedce972cf3fbdaad83897b18a89b7888a9647a0e0f6444e9e", 0x6f}, {&(0x7f0000004ec0)="2a67ffc5aee7a10c1a3700bf6b142013ba094c44c6f136563f64dad081ddbdd9f96985251ecb241d367178d084a6fcf0fd69338096a557138f341783edaf1c158704fe924fcc96f3", 0x48}, {&(0x7f0000004f40)='u', 0x1}], 0x9, &(0x7f0000005100)=[@cred={{0x1c, 0x1, 0x2, {0x0, r6, 0xee00}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r7, 0xee00}}}], 0x40, 0x20000011}], 0x9, 0x0) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2381.040207][ T3310] nbd: socks must be embedded in a SOCK_ITEM attr [ 2381.076687][ T3306] block nbd0: shutting down sockets 16:54:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x8}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2381.121233][ T3317] block nbd2: shutting down sockets 16:54:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x9}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x18}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2381.303201][ T3327] block nbd4: shutting down sockets [ 2381.333559][ T3329] __nla_validate_parse: 6 callbacks suppressed [ 2381.333578][ T3329] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2381.448078][ T3337] nbd: socks must be embedded in a SOCK_ITEM attr [ 2381.462668][ T3339] nbd: socks must be embedded in a SOCK_ITEM attr [ 2381.485374][ T3336] block nbd2: shutting down sockets 16:54:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2382.005386][ T3312] block nbd4: Device being setup by another task [ 2382.011848][ T3332] block nbd4: shutting down sockets [ 2382.041166][ T3327] block nbd4: Could not allocate knbd recv work queue. 16:54:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$BTRFS_IOC_QUOTA_RESCAN(r1, 0x4040942c, &(0x7f0000000100)={0x0, 0x7, [0x667, 0x7f, 0x8, 0x100000000, 0x0, 0xd0d9]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xa}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x25}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fcntl$lock(r2, 0x7, &(0x7f0000000080)={0x0, 0x0, 0x7, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000140)={&(0x7f00000000c0)=[0x6, 0xff6, 0x20, 0x3, 0x80000001], 0x5, 0x80000, 0x0, 0xffffffffffffffff}) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@netrom={'nr', 0x0}, 0x10) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2382.220461][ T3364] nbd: socks must be embedded in a SOCK_ITEM attr [ 2382.257612][ T3367] nbd: socks must be embedded in a SOCK_ITEM attr 16:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2382.302605][ T3368] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x500}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xb}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2382.492389][ T3383] nbd: socks must be embedded in a SOCK_ITEM attr 16:54:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2382.537266][ T3386] block nbd4: shutting down sockets 16:54:37 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2382.561439][ T3387] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2383.255442][ T3386] block nbd4: Device being setup by another task [ 2383.305970][ T3386] block nbd4: shutting down sockets 16:54:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xc}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:54:38 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) recvmmsg(0xffffffffffffffff, &(0x7f0000007ac0)=[{{0x0, 0x0, &(0x7f0000001840)=[{&(0x7f0000001600)=""/45, 0x2d}, {&(0x7f0000001640)=""/7, 0x7}, {&(0x7f0000001680)=""/114, 0x72}, {&(0x7f0000001700)=""/51, 0x33}, {&(0x7f0000001740)=""/190, 0xbe}, {&(0x7f0000001800)=""/31, 0x1f}], 0x6, &(0x7f00000018c0)=""/47, 0x2f}, 0x1}, {{&(0x7f0000001900)=@qipcrtr, 0x80, &(0x7f0000004080)=[{&(0x7f0000001980)=""/165, 0xa5}, {&(0x7f0000001a40)=""/249, 0xf9}, {&(0x7f0000002fc0)=""/4096, 0x1000}, {&(0x7f0000003fc0)=""/182, 0xb6}], 0x4}, 0xa118}, {{&(0x7f00000040c0)=@ipx, 0x80, &(0x7f0000004580)=[{&(0x7f0000004140)=""/192, 0xc0}, {&(0x7f0000004200)=""/21, 0x15}, {&(0x7f0000004240)=""/74, 0x4a}, {&(0x7f00000042c0)=""/185, 0xb9}, {&(0x7f0000004380)=""/79, 0x4f}, {&(0x7f0000004400)=""/199, 0xc7}, {&(0x7f0000004500)=""/48, 0x30}, {&(0x7f0000004540)=""/9, 0x9}], 0x8, &(0x7f0000004600)=""/61, 0x3d}, 0x9}, {{&(0x7f0000004640)=@ipx, 0x80, &(0x7f0000005740)=[{&(0x7f00000046c0)=""/10, 0xa}, {&(0x7f0000004700)=""/4096, 0x1000}, {&(0x7f0000005700)=""/60, 0x3c}], 0x3, &(0x7f0000005780)=""/219, 0xdb}, 0x3}, {{0x0, 0x0, &(0x7f0000005d00)=[{&(0x7f0000005880)=""/130, 0x82}, {&(0x7f0000005940)=""/156, 0x9c}, {&(0x7f0000005a00)=""/175, 0xaf}, {&(0x7f0000005ac0)}, {&(0x7f0000005b00)=""/188, 0xbc}, {&(0x7f0000005bc0)=""/103, 0x67}, {&(0x7f0000005c40)=""/103, 0x67}, {&(0x7f0000005cc0)=""/46, 0x2e}], 0x8, &(0x7f0000005d80)=""/93, 0x5d}, 0x4}, {{0x0, 0x0, &(0x7f0000005f40)=[{&(0x7f0000005e00)=""/114, 0x72}, {&(0x7f0000005e80)=""/115, 0x73}, {&(0x7f0000005f00)=""/1, 0x1}], 0x3, &(0x7f0000005f80)=""/26, 0x1a}, 0xff}, {{&(0x7f0000005fc0)=@in, 0x80, &(0x7f0000007440)=[{&(0x7f0000006040)=""/25, 0x19}, {&(0x7f0000006080)=""/104, 0x68}, {&(0x7f0000006100)=""/4096, 0x1000}, {&(0x7f0000007100)=""/96, 0x60}, {&(0x7f0000007180)=""/133, 0x85}, {&(0x7f0000007240)=""/122, 0x7a}, {&(0x7f00000072c0)=""/241, 0xf1}, {&(0x7f00000073c0)=""/72, 0x48}], 0x8, &(0x7f00000074c0)=""/234, 0xea}, 0x2}, {{0x0, 0x0, &(0x7f00000076c0)=[{&(0x7f00000075c0)=""/254, 0xfe}], 0x1}, 0x800}, {{&(0x7f0000007700)=@ieee802154, 0x80, &(0x7f0000007a80)=[{&(0x7f0000007780)=""/110, 0x6e}, {&(0x7f0000007800)=""/183, 0xb7}, {&(0x7f00000078c0)=""/129, 0x81}, {&(0x7f0000007980)=""/213, 0xd5}], 0x4}, 0x1136c0}], 0x9, 0x40000162, &(0x7f0000007d00)) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) sendmmsg(r1, &(0x7f00000015c0)=[{{&(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x0, 0x0, 0x4, 0x1, {0xa, 0x4e23, 0x0, @ipv4={'\x00', '\xff\xff', @private=0xa010100}, 0x800}}}, 0x80, &(0x7f0000001540)=[{&(0x7f00000001c0)="3e0d47ff33f9b8cb3ad82abdc0b865b44e630ccc2ec544801790ad5f21d8496282f10d157558eb3576181f219a2bc79bfc6dcf4f0206876e08f4e284b4d1cbd38f1f2a2cf159a7e934b186d4d4abdf629a785ff5761490e6e5df38fa2fa4a90311366905", 0x64}, {&(0x7f0000000240)="7f33786bf79b1a5237e82c8e1c3e152f963eca8ed6b2c5e5376e95c08a53183be52680edaa9c6f311393bfcdd307792d03d5c15f149c7df484b277242d035b5dacd0e5ed92b74f8a45d1ac78a4eaaa824df5b827d7fbc55a8faddd60ac70fe7f7b62168ed7e2090f2c41eae9ce0bc744844e2c69fa2ba2b94fc7a278ff261bea509e63d30f55f1cf4da89e226dd6b459094a8326aec6a54086b8273dd4287aad9007916be47b7dc052288fa4", 0xac}, {&(0x7f0000000140)="224290b17f057235c81cfa549b56e917573a", 0x12}, {&(0x7f0000000300)="ea81b73d577d2475d97b8251e6b56fd7d2b57145364df3f0257bae081f4a38756dc8c2ebd190c79a982980c74547c9492a9b38371d68dbb36a262dca979ba96b1c0ffb2819e289d1d61ec822dc6e952e29b136b40086095bc45e51564063a45a6ba96f160bee201a5be056e6ec6c80da263fa8da8c42259ffab9583b4da03a08487f47a9ed8eb6b8b5a600f59d7b3aa3a46d95238c69e898e2137f3eaf9317bd0f3d7ad962ab783ae2f06937b866f30726a17f67e48bc92f23f17c5e76da78685ab609f85ba11f1afb97feaae84c75ee412ae11f2aa074", 0xd7}, {&(0x7f0000000400)="658d30d14448071f2f85bf425978419814762acce4b352ea532d0e0ec4f33cd4132a50b0bbd30a9c449849fa9c57a06052802b043cd50f8fb5b7b2d1adbbd7e97afa9b5de5bd42edee1e81886bf91b53bdc24c5734aafda1002729dfd8c6cd92e24b021d71870ae201ec858074a8e2306baee12849098cf5595daa0af09e462f0afe99f48eb6c85578d1b16d55585dcbe5bf5f3446290f3c7442a62b194d0bb488401b9ef254aed21e0a7404a11a160f4a3e202cd83538ed284bbb23f7bb86a1527f2915e6313fbec0cd0cb8f804d7f842167d7a21ee6fd422b247f76b028efa2b", 0xe1}, {&(0x7f0000000500)="549ea395d292fba3599c379c1f803337398c04d8ab8eaad3c54c1d56f5aa7bce3a07a590b427f1d61918a2bf64b382e9f81c43cd79bf339d", 0x38}, {&(0x7f0000000540)="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0x1408}}], 0x1, 0x14) 16:54:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80500) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f00000001c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500)}], 0x1, 0xa) ioctl$NBD_SET_SOCK(r5, 0xab00, r2) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$F2FS_IOC_WRITE_CHECKPOINT(r4, 0xf507, 0x0) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2383.443296][ T3416] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 2383.470506][ T3418] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:38 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2383.540744][ T3425] block nbd4: NBD_DISCONNECT 16:54:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xd}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2383.663806][ T3433] block nbd4: Disconnected due to user request. [ 2383.728141][ T3433] block nbd4: shutting down sockets [ 2383.745382][ T3425] block nbd4: NBD_DISCONNECT [ 2383.750677][ T3425] block nbd4: Send disconnect failed -32 16:54:38 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) [ 2383.813738][ T3445] netlink: 'syz-executor.1': attribute type 2 has an invalid length. [ 2383.842307][ T3446] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2383.865490][ T3433] block nbd4: Device being setup by another task 16:54:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xe}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x110a01) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x44040) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2384.020441][ T3458] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2384.032418][ T3453] block nbd2: server does not support multiple connections per device. [ 2384.052948][ T3453] block nbd2: shutting down sockets [ 2384.067032][ T3460] netlink: 'syz-executor.1': attribute type 2 has an invalid length. 16:54:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2384.137348][ T3462] block nbd4: server does not support multiple connections per device. [ 2384.161212][ T3462] block nbd4: shutting down sockets 16:54:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x18}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x10}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:39 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) 16:54:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2384.285974][ T3468] block nbd4: Device being setup by another task [ 2384.317082][ T5658] block nbd4: Receive control failed (result -32) [ 2384.333032][ T3462] block nbd4: shutting down sockets [ 2384.432118][ T3480] netlink: 'syz-executor.1': attribute type 2 has an invalid length. 16:54:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2384.475588][ T3480] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2384.545152][ T3486] block nbd2: Device being setup by another task 16:54:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x11}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2384.609630][ T3486] block nbd2: shutting down sockets 16:54:39 executing program 3: r0 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000140)={0x0, 0x9, 0x10}, 0xc) lseek(r0, 0x2, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000000080)={0x0, 0x0, 0x400000000000001, 0x3}) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) setgid(0x0) r3 = syz_init_net_socket$x25(0x9, 0x5, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r5 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000002cc0), 0x8000, 0x0) r6 = openat$smackfs_ptrace(0xffffffffffffff9c, &(0x7f0000002d00), 0x2, 0x0) r7 = pidfd_open(0xffffffffffffffff, 0x0) r8 = getpid() tkill(r8, 0x2f) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000002e00)=[{&(0x7f00000001c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000300)=[{&(0x7f0000000240)="b92164cdfdcfb4c7a8920e5ef212d034f503738dcb779d5d3b6b5a3d85de632069ee4e42039faa69c39831bef38df5bed00527e410b2fd0f8a567bb62cf144e6339c4c3859f00bbd59d699f6486b277af3a9bbb4068b9e00e222a0caeb25551eee5bfedd15887731bece5048f01247edbeb2641aaa75462bf5c59f0d3db70b969f64c7a538753cfb2a0d76ed6783c0812c5f181bc57d008bc4889582a50e0906fa992d", 0xa3}, {&(0x7f00000000c0)="c55e064557912ab4e943956d70f1e7a1abfa5cb1", 0x14}], 0x2, 0x0, 0x0, 0x80804}, {&(0x7f0000000340)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000780)=[{&(0x7f00000003c0)="4ac277a1dd3a29096d1c2653a55e16beddd34690b75991d4a712163a1c52ff37e040cee2fed454dd56dc8858e7ac32099c3d52bb2172862404fc860a0531529dee28de1554a3f5d26dc4913129dc70a94a5a74643518eaa229350612a3417fe94512ababa18136a6e34d064bfb281e51e2000edb30ecaa9b0b64", 0x7a}, {&(0x7f0000000440)="414ac3ecd62945c45112594126dea5d5ba9c44fc9b65076efa046fe128dd77", 0x1f}, {&(0x7f0000000480)="c36cdf808bf483d5a5668d1fcad3d0", 0xf}, {&(0x7f00000004c0)="d288a21e52c455e2e0fd993ba836b1bd6264cbf404910427cec62c5688d735cabea427cce4c3f8715eeb96e5e8d9e18f7f5940319aec41ad71b928dff60bb2fed925d6d130d8ad55f65282d1c40a954297ddc30f5401837268c1b8f2f809adff795faad3b610d85fb7515b5a7e639eb7beacd6511a2f65a200d3fbd8343dc2b459325dc976ea6a8c598d75640f5708c6d021ab8c19106f62dc21f285ae8e39de3517d3bb1d77e124f3ff64ef3c6552fbf0300105040812fa379d7703172e5e59b3e75fb9c81b3e62717d5a06673d2c53", 0xd0}, {&(0x7f00000005c0)="75ca77d7a4ae1ed5ebed3f1a78b47fbb5323442529751be218638613e15ad6d062ab7fe2d30292ccc67658ae6ed5a319bdb376639a255d24f2b8e11de4df5dde1dd47fb699c8139ae6740226bc7abb3a65ea4dfd2ba2c270e80a8f63d4caa1c7c797cfe94e904c4794c3fd6258c13d28907a8bfe899a2f6b8df9a180f829cfea76df6d8fb9eb95b74976fd7fd23ec2eb3afdbc8444f39521d00ebe86ae8a3de840565c1fe265b2eb894b52776315c5f22de345e44ee595416bc91cde6dafb5e30c60ef21ae", 0xc5}, {&(0x7f00000006c0)="e584206eea4a38e69d894b", 0xb}, {&(0x7f0000000700)="27a2115d29d9fc56d6f50ee426e5fe4a47a4c305fa42264281e85a97d8b0241071baca024f0e9e2796e5340ea6721aeaca64063871d969a648c637fcef7bd42bb824073e8a2d4256c9d35f49f5b2eabba745bf890cd06e56be0be84d4ea918da15350d46609dc11a81449af459", 0x6d}], 0x7, &(0x7f0000001080)=[@cred={{0x1c}}, @rights={{0x1c, 0x1, 0x1, [r1, 0xffffffffffffffff, r2]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xee00}}}, @rights={{0x20, 0x1, 0x1, [r2, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [r2, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, r0, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee00}}}], 0x108, 0x48040}, {&(0x7f00000011c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000002480)=[{&(0x7f0000001240)="d59938dd23658b9e417dd2a67a5398b513da01a6e20b630f9e75cf31b5dfe13accf7047c0e966e7fd236abfbaf012f4027f035e59931afd93a48d04150dd87715487c4dbef8f40b1f813db28", 0x4c}, {&(0x7f00000012c0)="855dce42aceaff0cdf7dd7d26021bac45cbacc8a690ceadd6f509efa03beadecfd13fbf070b23a0ab0d821df7a502617cdd3aac0806488fc6bc773adc87c1bbb072285f95278a7528469c161df085b062548e15234e897456635b399ca93b64dca098858cbf600c3864746fcf2f07f99559a2add57ded2a280c6a0668733e977", 0x80}, {&(0x7f0000001340)="cb1b87d1d18422035bbb6f79ae1d7267679ac63a1ceca37a0a64b3212d47267273b0fc8dba7760997ab16d40e57f0c1b634bb8654a330d6bde072c5547bd6d9b41a56b17f85db25434b4a0d2c55da7af78810745ab72305b36568912c584e0217b34bf0ef59901b9642b64bc8aeba775b4063e66894edaa3e4947f1efc50aeb538f05a47c595c9613cd094dbc5f0f6a0a52565b6a1e1cab6fe32cac94417eff354a63011d9764ec6d7bc6eff3d86f5d16b5f06eb5fe01661118715fe1724d88ef153ac565fcab24a256a921897205895c9891ddc1567d4081d68eeed1f5d", 0xde}, {&(0x7f0000001440)="088a34f0141f5fc8bf9e6b27fdbf7aa0b7dbe673ac96d293c1686b590be27a2282b02f99592b6e034a0432513fec2b939c2f90cff2f731fc", 0x38}, {&(0x7f0000001480)="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0x1000}], 0x5, &(0x7f00000028c0)=ANY=[@ANYBLOB="1c00000004363ca31c00000000010000", @ANYRES32, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000034000000000000000100000001000000", @ANYRES32=r1, @ANYRES32=r1, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32, @ANYRES32=r2, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0x70, 0x1c8c0}, {&(0x7f0000002940)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000002c40)=[{&(0x7f00000029c0)="de77be61bcbb8c3e11fca0514548ea87b1d022fe5cc9ada36d96f921b376b84f5354c30684d3b9935f6cd40ec60b41cfa92130d8951b3b9aa921783b498b83a9847447f5f0cd82c642f98c41a7d9431badc44106103cdcefd1ba95546244080bd18a2e44caa16bb41c4884da96751b9994423c543ae30ff54e750860bab06f89192976220431abc0d5c5a58a70c64ff7c68a6e509150f1e75af12eff9038bd45", 0xa0}, {&(0x7f0000002a80)="2145b9d3b6a593dcfc14cfa37dca0285f0ee3f544f140e8c7c9492eb601cfc3603a7393fa601d4fffe1d950f98da", 0x2e}, {&(0x7f0000002ac0)="d3d03ec565b37d37b898bef9195dcf53cb3b2507c2d0a151c817e161c8637d34daaf737f5a3522a7447db4356fac6d3c46ab958a04da8ed3fb28cb1e861a113aa53103a9065a03c90d093a755af316ebc7246205cd1f60763f660b72f6a99da409daa789230e0a6f3076fbc9e5c85b", 0x6f}, {&(0x7f0000002b40)="a5dec853d1603c3edae43967de6a7e3b36df557c94b5159d48fa8c103e062827252402d850a8e39365565610f7df7bb1140e2f6b26bd0def238f75ebedd3051b828fa898ba0b6c74d6d88c23d32770ee16207ebc71488c10415cf4bc7927942a40681b9f3875473bc39db0dc3817858173dd5775cbd51e6f906ef813008634529777b4a9627f0b9a8453d4155f2aecebf6a4f0a506fb9a58e9faf21e928b166f8df249889490119b277d1a2cf621af6413ca872a6912941d283b0d", 0xbb}, {&(0x7f0000002c00)="0ac6337aab0130de61f6a5294171ff00789b53e7942eda9fc555250f9afe5efb6aab6a79c0e5392f57bf", 0x2a}], 0x5, &(0x7f0000002d40)=[@cred={{0x1c}}, @rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, r3, r4, r5, r2, r6, 0xffffffffffffffff, r0, r2, r7]}}, @cred={{0x1c, 0x1, 0x2, {r8, 0xffffffffffffffff, 0xffffffffffffffff}}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee00}}}], 0x98, 0x40855}], 0x4, 0x40) ftruncate(r2, 0x7fff) 16:54:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:39 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$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$NBD_CLEAR_SOCK(r0, 0xab04) [ 2384.750957][ T3499] block nbd4: shutting down sockets [ 2384.786985][ T3500] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2384.809825][ T3500] nbd: must specify a size in bytes for the device [ 2384.831600][ T3505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2384.905540][ T3509] block nbd4: Device being setup by another task 16:54:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2384.984820][ T3499] block nbd4: shutting down sockets 16:54:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x12}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:40 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) [ 2385.007599][ T3515] block nbd2: server does not support multiple connections per device. [ 2385.022966][ T3515] block nbd2: shutting down sockets 16:54:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) epoll_ctl$EPOLL_CTL_MOD(0xffffffffffffffff, 0x3, r1, &(0x7f0000000000)={0x10000000}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.113894][ T3524] nbd: must specify a size in bytes for the device [ 2385.152868][ T3525] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.225736][ T3528] block nbd2: server does not support multiple connections per device. [ 2385.246075][ T3528] block nbd2: shutting down sockets 16:54:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x18}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.300788][ T3537] nbd: must specify a size in bytes for the device 16:54:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.398511][ T3542] block nbd4: shutting down sockets 16:54:40 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x4, 0x1, 0xff}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:40 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) 16:54:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.564460][ T5658] block nbd4: Receive control failed (result -32) [ 2385.582741][ T3558] nbd: must specify a size in bytes for the device [ 2385.593628][ T3556] block nbd4: shutting down sockets 16:54:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x21}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.653282][ T3555] block nbd2: server does not support multiple connections per device. [ 2385.700647][ T3555] block nbd2: shutting down sockets 16:54:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x42ea43) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) sendmmsg$inet6(r5, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) write$nbd(r5, &(0x7f0000000100)={0x67446698, 0x0, 0x2, 0x3, 0x2, "7eae02fa6b99b7c2b490eadc90cbdd62a89cf817df01c2d0f29d858bedc5ff4bccf4bea377cff1edf35f91a5de318e5f2612088c19749037f7f5c9982012a1ff28d3faad17c8af1c5d2eb0d1ad2e03787ccaaa3a708659a9b64fa39e77ee8e1d045eac1b78cb7ad6"}, 0x78) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:40 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:40 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$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$NBD_CLEAR_SOCK(r0, 0xab04) 16:54:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x25}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2385.890533][ T3583] nbd: must specify a size in bytes for the device 16:54:40 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.026286][ T3585] block nbd2: server does not support multiple connections per device. [ 2386.041242][ T3585] block nbd2: shutting down sockets 16:54:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0xa}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:41 executing program 4: ioctl$BTRFS_IOC_SYNC(0xffffffffffffffff, 0x9408, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x200240) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x41}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:41 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:41 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x48}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.264455][ T3602] nbd: must specify a size in bytes for the device [ 2386.289122][ T3602] nbd: must specify a size in bytes for the device 16:54:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x18}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.345790][ T3607] block nbd4: server does not support multiple connections per device. [ 2386.346282][ T3610] block nbd2: server does not support multiple connections per device. [ 2386.373625][ T3607] block nbd4: shutting down sockets 16:54:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'dummy0\x00', {0x20000001}, 0xd}) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000740), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000440)={0x20, r3, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_PORT={0x6}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x24000043}, 0x0) accept$packet(0xffffffffffffffff, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f00000001c0)=0x14) sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="220a25bd7000fbdbdf250400000008000300030000003c00018014000400ff02000000000000000000000000000108000700", @ANYRES32=r4, @ANYBLOB="140004003bb5000000040400000000000000ff000803007f00010100"], 0x58}, 0x1, 0x0, 0x0, 0x4008010}, 0x0) r5 = pidfd_getfd(0xffffffffffffffff, r1, 0x0) fcntl$lock(r5, 0x26, &(0x7f0000000300)={0x0, 0x0, 0x400000000000000, 0x8000004}) dup(0xffffffffffffffff) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2386.441588][ T3604] block nbd2: shutting down sockets [ 2386.454654][ T3617] __nla_validate_parse: 4 callbacks suppressed [ 2386.454671][ T3617] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:41 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2386.487106][ T3615] block nbd4: Could not allocate knbd recv work queue. [ 2386.501559][ T3615] block nbd4: shutting down sockets 16:54:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x365003) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000140)=[{&(0x7f0000000100)="1793b9399c410b2a9109a864e8682212c7046f9e6f", 0x15}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r6 = openat$cgroup_ro(r4, &(0x7f00000000c0)='memory.swap.current\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 16:54:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x64}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.695346][ T3628] block nbd2: server does not support multiple connections per device. [ 2386.702121][ T3633] nbd: must specify a size in bytes for the device [ 2386.713840][ T3628] block nbd2: shutting down sockets 16:54:41 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.779892][ T3639] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2386.785742][ T3632] block nbd4: shutting down sockets 16:54:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.871143][ T3639] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 16:54:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x60}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.922645][ T3650] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2386.985520][ T3648] block nbd2: server does not support multiple connections per device. [ 2387.001843][ T3648] block nbd2: shutting down sockets [ 2387.081938][ T3657] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2387.137833][ T3659] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2387.200541][ T3657] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2387.228360][ T3659] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 16:54:42 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) [ 2387.615303][ T3682] block nbd2: server does not support multiple connections per device. [ 2387.627781][ T3680] block nbd2: shutting down sockets [ 2387.662660][ T3681] block nbd4: shutting down sockets 16:54:42 executing program 3: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x193000, 0x0) sendmsg$TIPC_NL_BEARER_GET(r0, &(0x7f00000002c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[], 0x124}, 0x1, 0x0, 0x0, 0x4000005}, 0x4c810) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) ioctl$VFIO_IOMMU_MAP_DMA(r0, 0x3b71, &(0x7f0000000300)={0x20, 0x1, 0x9, 0x9, 0x2}) r3 = socket$nl_crypto(0x10, 0x3, 0x15) bind$netlink(r3, &(0x7f0000000140)={0x10, 0x0, 0x25dfdbff, 0x8000}, 0xc) fcntl$lock(r2, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) 16:54:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x68}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 16:54:42 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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_CLEAR_SOCK(r0, 0xab04) 16:54:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r4 = accept4(r3, 0x0, 0x0, 0x0) sendmmsg$inet6(r4, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2387.767743][ T3689] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2387.824430][ T3698] block nbd4: Unsupported socket: shutdown callout must be supported. [ 2387.857454][ T3694] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6c}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) [ 2387.917192][ T3696] block nbd2: server does not support multiple connections per device. 16:54:42 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'veth0_to_bridge\x00'}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2387.960601][ T3696] block nbd2: shutting down sockets [ 2387.966381][ T3698] block nbd4: Device being setup by another task [ 2388.027296][ T3701] block nbd4: shutting down sockets 16:54:43 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$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$NBD_CLEAR_SOCK(r0, 0xab04) [ 2388.057737][ T3698] block nbd4: Unsupported socket: shutdown callout must be supported. 16:54:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x74}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) [ 2388.202337][ T5658] block nbd4: Receive control failed (result -32) [ 2388.212705][ T5658] block nbd4: Receive control failed (result -32) [ 2388.215099][ T3701] block nbd4: shutting down sockets [ 2388.306012][ T3721] block nbd2: server does not support multiple connections per device. 16:54:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2388.354185][ T3721] block nbd2: shutting down sockets 16:54:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7a}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:54:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000080)=0x0) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x800100000000, 0x3, r2}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) [ 2388.635659][ T3749] block nbd2: server does not support multiple connections per device. [ 2388.654120][ T3749] block nbd2: shutting down sockets [ 2388.668815][ T3761] block nbd4: shutting down sockets 16:54:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 16:54:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x108}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:43 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2388.770743][ T3742] block nbd4: Device being setup by another task 16:54:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2388.894950][ T5658] block nbd4: Receive control failed (result -32) [ 2388.900933][ T3761] block nbd4: shutting down sockets 16:54:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x26, &(0x7f0000000080)={0x1, 0x4, 0x1, 0x9b}) r2 = syz_mount_image$romfs(&(0x7f0000000040), &(0x7f00000000c0)='./file0\x00', 0x3, 0x4, &(0x7f0000001340)=[{&(0x7f00000001c0)="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0x1000, 0x7db}, {&(0x7f00000011c0)="0261d1a9a8fd2e2703d020b321ee6e97e855f98d90eb6d8611ad66e41ca0119eb79760f02098850906812d9a9c757ef75441bdf901b7f5a7fe6bb2db484e175e8a54220dab586a94c3420a24e31ec74f0273c98cc86bafda4bc09939b04c8e5d2a94f3eda5cf52567aacf12c77248fa20aaa2ee89361d03838217b166bee7d507939708b69ca03c68345547ec0c009c63f762fe57a6745a82c61669225501948c9b4e067196f1bfbb58d2d56d41bfa6ed98d2bae6dfa45af77218e5db9262a1929de16d45e6e2240f8d1f8d1d05b9fe89ac024a838b2a3947d8cf7fb56bd9e9177206c9f93c909719a3791ab7594a47aefc335b2d08e2237", 0xf8, 0x9}, {&(0x7f0000000140)="04691fbfa4a87f93ebc07468dda7c90284abedbbfd", 0x15, 0x2f7d}, {&(0x7f00000012c0)="d9a1f63ab01e5e81e0961e5fcca70fbead1edbbe5f8f0dc8fc83a16212ebe517f83f835db12d00a25bb036feebd99fd52aa02315e879cd5d6235949c7ffc514109c9da76ede183", 0x47, 0x8a0}], 0x5006, &(0x7f00000013c0)={[{}, {'veth0_vlan\x00'}, {'%'}], [{@smackfstransmute={'smackfstransmute', 0x3d, '{'}}]}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x7, &(0x7f0000001b40)) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$BTRFS_IOC_START_SYNC(0xffffffffffffffff, 0x80089418, &(0x7f0000001400)=0x0) ioctl$BTRFS_IOC_RM_DEV_V2(r2, 0x5000943a, &(0x7f0000001b80)={{r3}, r4, 0x4, @unused=[0x9, 0x400, 0xc0000000000000, 0x7ff], @name="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"}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) [ 2389.006153][ T3779] block nbd2: server does not support multiple connections per device. [ 2389.041579][ T3779] block nbd2: shutting down sockets 16:54:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x300}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2389.261921][ T3805] block nbd4: shutting down sockets 16:54:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x500}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2389.345742][ T3811] block nbd2: server does not support multiple connections per device. [ 2389.354362][ T3816] loop3: detected capacity change from 0 to 47 [ 2389.385086][ T3811] block nbd2: shutting down sockets 16:54:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2389.604488][ T3835] loop3: detected capacity change from 0 to 47 [ 2389.935099][ T3799] block nbd4: Device being setup by another task [ 2389.942101][ T3813] block nbd4: Could not allocate knbd recv work queue. [ 2389.997555][ T3846] block nbd4: shutting down sockets 16:54:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/sysvipc/msg\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x202001) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r6 = openat$binder_debug(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/binder/transactions\x00', 0x0, 0x0) ioctl$NBD_DISCONNECT(r6, 0xab08) preadv(r3, &(0x7f00000002c0)=[{&(0x7f0000000200)=""/27, 0x1b}, {&(0x7f0000000240)=""/112, 0x70}, {&(0x7f0000000400)=""/148, 0x94}], 0x3, 0x38bb5216, 0x8001) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r7 = socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000300)={'vlan1\x00'}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x600}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000080)={'ip6erspan0\x00'}) fcntl$lock(r0, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3, 0xffffffffffffffff}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2390.236958][ T3861] block nbd4: shutting down sockets 16:54:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x700}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2390.316540][ T3867] block nbd4: shutting down sockets 16:54:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x1) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x801}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2390.635758][ T3883] block nbd4: server does not support multiple connections per device. 16:54:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2390.729994][ T3893] block nbd4: shutting down sockets [ 2390.835401][ T3883] block nbd4: server does not support multiple connections per device. [ 2390.917056][ T3905] block nbd4: shutting down sockets 16:54:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8982, &(0x7f0000000080)={0x0, 'ip6erspan0\x00', {0x2}}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x2, 0x0, 0x0, 0x2}) write$FUSE_INIT(0xffffffffffffffff, &(0x7f00000001c0)={0x50, 0x0, 0x0, {0x7, 0x21, 0x7, 0x1, 0x81, 0x5, 0xaf, 0x10001}}, 0x50) 16:54:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 16:54:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x900}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:45 executing program 4: r0 = socket(0x9, 0x4, 0xfff) sendmsg$IPVS_CMD_ZERO(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xd4, 0x0, 0x4, 0x70bd29, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x40}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xffffff1d}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_SERVICE={0x64, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_PROTOCOL={0x6}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x6c}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e20}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, '\x00', 0x1d}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x4}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x2b}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x6}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x3d11}, @IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x4}]}, @IPVS_CMD_ATTR_DEST={0x14, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e20}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x10000}]}, 0xd4}, 0x1, 0x0, 0x0, 0x4000810}, 0x20000000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x745080) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2391.123308][ T3920] nbd: socks must be embedded in a SOCK_ITEM attr [ 2391.155159][ T3915] block nbd4: server does not support multiple connections per device. 16:54:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xa00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x11}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2391.189386][ T3915] block nbd4: shutting down sockets 16:54:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) [ 2391.277054][ T3933] block nbd2: shutting down sockets 16:54:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2391.334731][ T3923] block nbd4: Device being setup by another task 16:54:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x12}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2391.404800][ T5658] block nbd4: Receive control failed (result -32) [ 2391.420236][ T3945] nbd: socks must be embedded in a SOCK_ITEM attr 16:54:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) [ 2391.474261][ T3931] block nbd4: shutting down sockets [ 2391.577226][ T3952] nbd: socks must be embedded in a SOCK_ITEM attr [ 2391.603537][ T3954] __nla_validate_parse: 30 callbacks suppressed [ 2391.603555][ T3954] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000080)={0x2, 0x0, 0x0, 0x87a}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xb00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:46 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000001b40)) fcntl$lock(r0, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r0, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$F2FS_IOC_GET_PIN_FILE(r0, 0x8004f50e, &(0x7f00000000c0)) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3ff) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2391.713722][ T3963] block nbd2: shutting down sockets 16:54:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x18}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2391.816853][ T3968] nbd: must specify a size in bytes for the device [ 2391.855740][ T3971] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2391.924190][ T3973] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xc00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2391.995916][ T3977] block nbd4: shutting down sockets [ 2392.071977][ T3998] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2392.074500][ T3977] block nbd4: Device being setup by another task 16:54:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x21}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xd00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2392.156135][ T4001] nbd: must specify a size in bytes for the device [ 2392.170439][ T3993] block nbd4: Could not allocate knbd recv work queue. [ 2392.194634][ T3970] block nbd4: shutting down sockets 16:54:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2392.205312][ T3995] block nbd2: shutting down sockets 16:54:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2392.273152][ T4012] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2392.311226][ T4014] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x25}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2392.376089][ T4020] nbd: must specify a size in bytes for the device 16:54:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0xe00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:54:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'wlan1\x00'}) r3 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@bridge_delneigh={0x28, 0x11, 0xd03, 0x0, 0x0, {0x7, 0x0, 0x0, r6, 0x0, 0x96}, [@NDA_LLADDR={0xa, 0x2, @link_local}]}, 0x28}}, 0x0) sendmsg$nl_route(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000380)=@can_newroute={0x15c, 0x18, 0x200, 0x70bd26, 0x25dfdbfb, {0x1d, 0x1, 0x6}, [@CGW_CS_CRC8={0x11e, 0x6, {0x6f, 0x4b, 0x3f, 0x9, 0x0, "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", 0x1, "41eafa49bde88454e80bc301d046ec79bf1492b0"}}, @CGW_CS_XOR={0x8, 0x5, {0x8, 0xfffffffffffffff7, 0xffffffffffffffff, 0x4}}, @CGW_SRC_IF={0x8, 0x9, r6}, @CGW_MOD_SET={0x15, 0x4, {{{0x3, 0x1, 0x1, 0x1}, 0x4, 0x2, 0x0, 0x0, "34168c9612c2e464"}, 0x4}}]}, 0x15c}}, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f00000001c0)={{{@in=@local, @in=@remote, 0x4e1c, 0x1f, 0x40, 0x5, 0xa, 0x0, 0x80, 0x0, r4}, {0x0, 0x4, 0x4903, 0x100, 0x7, 0x8001, 0x100000000, 0xa73c}, {0x0, 0x100, 0x33c6de6f, 0x6}, 0x3, 0x6e6bbb, 0x0, 0x0, 0x2}, {{@in=@multicast1, 0x4d4, 0xff}, 0xa, @in=@rand_addr=0x640100fd, 0x0, 0x2, 0x2, 0x1, 0x9, 0x9, 0x3}}, 0xe8) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2392.495437][ T4025] block nbd4: shutting down sockets [ 2392.544038][ T4031] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2392.593838][ T4033] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2392.614577][ T4025] block nbd4: Device being setup by another task [ 2392.622733][ T4030] block nbd4: shutting down sockets [ 2392.636024][ T4041] nbd: must specify at least one socket 16:54:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x402200) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x41}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2392.684053][ T4047] block nbd2: shutting down sockets 16:54:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:54:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1100}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2392.855890][ T4052] block nbd4: server does not support multiple connections per device. [ 2392.875090][ T4052] block nbd4: shutting down sockets [ 2392.915624][ T4059] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2392.956274][ T4063] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2392.995715][ T4062] block nbd4: Device being setup by another task [ 2393.023398][ T4067] nbd: must specify at least one socket [ 2393.036441][ T4066] block nbd4: Device being setup by another task [ 2393.042953][ T4052] block nbd4: server does not support multiple connections per device. 16:54:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:54:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x48}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1200}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2393.094127][ T4079] block nbd2: shutting down sockets 16:54:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:54:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2393.165990][ T4082] nbd: must specify at least one socket 16:54:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = accept$ax25(0xffffffffffffffff, &(0x7f00000000c0)={{0x3, @netrom}, [@rose, @remote, @default, @null, @null, @null, @netrom, @netrom]}, &(0x7f0000000140)=0x48) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x12, r4, 0x3b637000) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x7, &(0x7f0000001b40)) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r2}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f00000004c0)={0x0, 0x0, 0x6, 0x0, '\x00', [{0x5, 0x7, 0x9, 0x0, 0xb2a, 0x4ee}, {0x4b38, 0x63, 0x3, 0x7ff, 0x430c}], ['\x00', '\x00', '\x00', '\x00', '\x00', '\x00']}) r5 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="280000001100030d000000006ebd635607000000", @ANYRES32=r6, @ANYBLOB="000096000a0002000180c20000000000"], 0x28}}, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r7, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@bridge_delneigh={0x28, 0x11, 0xd03, 0x0, 0x0, {0x7, 0x0, 0x0, r8, 0x0, 0x96}, [@NDA_LLADDR={0xa, 0x2, @link_local}]}, 0x28}}, 0x0) sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000480)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f00000001c0)={0x24c, 0x0, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond_slave_0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_batadv\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xc8, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x3}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x5}, @ETHTOOL_A_BITSET_VALUE={0xb1, 0x4, "663ca6084a106e7c4da211dd95101bbef12045cd0ea0629f77f3ccca75a972c969cc19fe5bdd8ab0067272c77be6d601753aae908165896deb78bfdec59d58d09e231f47bc84914250f159a938c67c8759539b3a6eaa28e42e215f9ed6483e92006b4d98e8bb6b49288eaba8475e083adfe9ccca71795bf3498d474d1e2e9c5cc59589802616ebe0872d36fcc4b9a0ab39f6be0c85c89931cb81465d9a223b8a20395a6f2d863e59aa63b97c2d"}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xf4, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x6}, @ETHTOOL_A_BITSET_VALUE={0xdc, 0x4, "6140d08c3f1367f143301d8fef9355f546a93019b3f1944e26fc9b84a71765d7f8622b6cc35df025f4c6e159d53511f805df83cbbe00b52967c11c70ffc630bbe8646a93c48211c03d08db8a3032969c2425705de4404afdebde55f5ad0661d187c00154b8a678d629e38e232789a9fb1ac8984742e7e93c1380e759cba610d2bc8d3af1794099ed8fd5cc542bbce8d32298da4a6bc1ff96320361114ed9a7e4f27a58bebc32de1770f02a538ee85aa4e6c49f0a57628760ab746d3ea033a73e8e1076463f1b94b9ec7cdf060f7306f03bf159a57e65229e"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x8}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_bridge\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}]}, 0x24c}, 0x1, 0x0, 0x0, 0x20008005}, 0x40800) fcntl$lock(r3, 0x5, &(0x7f0000000040)={0x1, 0x0, 0x1, 0xff}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:54:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4c}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x1800}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2393.465720][ T4098] block nbd2: shutting down sockets [ 2393.526609][ T4116] block nbd4: shutting down sockets 16:54:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:54:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2393.654735][ T4118] block nbd4: Device being setup by another task 16:54:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x60}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2393.714120][ T4116] block nbd4: shutting down sockets 16:54:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2000}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$F2FS_IOC_ABORT_VOLATILE_WRITE(0xffffffffffffffff, 0xf505, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2393.834967][ T4141] block nbd2: shutting down sockets 16:54:48 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x68}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = accept$unix(r0, &(0x7f0000000080), &(0x7f0000000140)=0x6e) ioctl$sock_SIOCSIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r2, 0x8983, &(0x7f00000001c0)={0x8, 'tunl0\x00', {'syz_tun\x00'}, 0x4}) 16:54:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2100}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2394.132864][ T4178] block nbd4: shutting down sockets [ 2394.156467][ T4177] block nbd0: shutting down sockets [ 2394.175078][ T4165] block nbd2: shutting down sockets 16:54:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x2500}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6c}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2394.316456][ T4178] block nbd4: Could not allocate knbd recv work queue. [ 2394.324131][ T4184] block nbd4: shutting down sockets 16:54:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$vcsn(&(0x7f0000000140), 0x2, 0x1) clock_gettime(0x0, &(0x7f00000027c0)={0x0, 0x0}) recvmmsg(r3, &(0x7f0000002640)=[{{&(0x7f0000000180)=@nfc, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000200)=""/210, 0xd2}, {&(0x7f0000000300)=""/167, 0xa7}], 0x2, &(0x7f0000000400)=""/149, 0x95}, 0x6}, {{0x0, 0x0, &(0x7f0000000680)=[{&(0x7f00000004c0)=""/230, 0xe6}, {&(0x7f00000005c0)=""/129, 0x81}], 0x2, &(0x7f0000000740)=""/4096, 0x1000}, 0x7}, {{&(0x7f0000001740), 0x80, &(0x7f00000017c0)=[{&(0x7f00000006c0)=""/44, 0x2c}], 0x1, &(0x7f0000001800)=""/195, 0xc3}, 0x1}, {{&(0x7f0000001900)=@pptp={0x18, 0x2, {0x0, @loopback}}, 0x80, &(0x7f0000001c00)=[{&(0x7f0000001980)}, {&(0x7f00000019c0)=""/149, 0x95}, {&(0x7f0000001a80)=""/190, 0xbe}, {&(0x7f0000001b40)=""/178, 0xb2}], 0x4, &(0x7f0000001c40)=""/44, 0x2c}, 0x2}, {{&(0x7f0000001c80)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @broadcast}}, 0x80, &(0x7f0000001fc0)=[{&(0x7f0000001d00)=""/39, 0x27}, {&(0x7f0000001d40)=""/179, 0xb3}, {&(0x7f0000001e00)=""/162, 0xa2}, {&(0x7f0000001ec0)=""/196, 0xc4}], 0x4, &(0x7f0000002000)=""/118, 0x76}, 0xffffffff}, {{&(0x7f0000002080)=@qipcrtr, 0x80, &(0x7f00000024c0)=[{&(0x7f0000002100)=""/251, 0xfb}, {&(0x7f0000002200)=""/32, 0x20}, {&(0x7f0000002240)=""/208, 0xd0}, {&(0x7f0000002340)=""/146, 0x92}, {&(0x7f0000002400)=""/139, 0x8b}], 0x5, &(0x7f0000002540)=""/228, 0xe4}, 0x9}], 0x6, 0x0, &(0x7f0000002800)={r4, r5+60000000}) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000100)={&(0x7f00000000c0)=[0x1ae2, 0x5, 0x6, 0x1, 0x3ff], 0x5, 0x80000, 0x0, 0xffffffffffffffff}) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:54:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x3f00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2394.465258][ T4198] block nbd2: shutting down sockets 16:54:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x74}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2394.656893][ T4231] block nbd0: shutting down sockets 16:54:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4000}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2394.710953][ T4235] block nbd4: shutting down sockets [ 2394.725619][ T4240] block nbd2: shutting down sockets 16:54:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) sendmsg$SOCK_DESTROY(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000001b80)={0x2374, 0x15, 0x800, 0x70bd29, 0x25dfdbfd, {0x1, 0x7}, [@INET_DIAG_REQ_BYTECODE={0xfe, 0x1, "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"}, @INET_DIAG_REQ_BYTECODE={0x8a, 0x1, "1c218fde0cf35a9eadbaf86769c6d12637b774c28523aad5fd04a35677015a7cf8c7e9bdaca69c6bd6cc6e72257fa9ed17da81b125f5db001bc0754de41a38176190d3d096a880294d326919913c5e867f166af9e3e5f09483824fbc35bfbc08102da356b965735267a29a402a1054302f8550f337ee9ade1fe8b9af07011e1d8c11871f0eb8"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "81f6f351d4d6189af4782e785f35b0f6d1a9946f90b61181dd2fc7e72933b585a234dc4c97bd21da8793d2cf969d67535007305311c8ff159e4ef17f663af8a8a082c023c9e19ab957d7e1c45f948112a3d7a51e3bc59c25e0e44c8c333a83a04b5c0be63212417dc09b711449ed93a34b7a344aa09279d16b1338a34b871521c2a377a5f50b512b7e1f5f8c22383e4962fb9584918f04d96ed74b58e1e488ff78fe06391b57b6175393f53fa1a5b7134b0c2cd258f9b0b3b712751f8fb9cff3483aa25ee856481d0d407b803345df1d780337a0dd6d69d69aa03afe10d1d4b251fba0049a4886e391110634767bd84af75cb9c589b57c1218f490e8858f859cc5fa294b9f60688b6ab5f81055943c6328493bfb91a256011c8cf535f3a4dbaa158c01ea079526e46be6eecb443e0cf0e6613c8c9a45848d755b51409ffccfa16416abb6f6c1ef8e506ab67fe5c4c1fe8053f5baa0d824e3b27e82a2ee7cf75c1c1957addcbdaf14c3191374e3ef1f847c0f96b73d97f4849c2c0d092338c4faeaa1c167df86e9a1c70c8eac0b7ef2e4610c5a73f33856bc94e424f6445d8964a2c71084cff2d95cc668a6cdf5e469924bad44067c83defb7a3b4e5c4e37cfe136ee81a7c0d9c2d27bf8af8d880fbac6a9c1c1be7f7835551068de293a2cac49e44a2a6e57522feffa45763803b4284bb4ab7798cb8306338a2d7cdc01e5eefdcaa049d0a00b67a208f4f5aba8fbdd69b7fd128adb7231fe34ebdf4542bfaece9f87cfbb12fc9b39e70c2179b842601069d1951217abece049df38556ede7f37013a916b12ea38bb7b103a712859acd7a3823437c77de1fd464d3fb48e834342f474a4c990b972195be1f7e1d79f72c905b188e764ee3f8d438a013da89974c2b9585b2e745e717c186ffba3a78b8c15021af5d330de9c88f0b88bf4e604269367213024548df2ae9375a9848ac56f2d3c47e64c496c18ba4113f5d9077985b5ee57937719be019f96eb4f984ae2da1a5b6a39213a3aaa2de5b49cfb149e317c692167b6c9d1a3b47470f4016179750f4479cfbbfe5b2b9dc7459d581c8cb3a04abae593f0829b59c67f6d1e81b8f83a09f772a1ca50bf1eb57d13846578ef26a4595cfae124903e3eaf6b128a22dc27d1d727ad287cd336da210b324a8cf5b10c09d62f5b9e8e7df15013afd146297693ba001b218ffd51b00bf8c000adf571d2ccced39730094cb33f5e9449cbe66b8c2f70366be6bb8fa55016ea85b3498856079b907d8ad2aa733156457bb58a5a23f5e5f673f9ebe6d86aaf9ba0772df12cadd1eb94206decf3a73870b9a802a7e65cdcd1fd7970a42c1618980082228c4693f5c20af881dcd45588d9c927fe01c4850ed00e0d439dcca4f573d10edcc5bc1dd219a824dc72397460a77907829289c4945aef208d38989966395eebdd17d655fd9eadd8b8f2066d13933c861eff4d8ec16217ce7e159515dcbc55519a2f298b9e337a8c223a16640b9b941f3e98e76518dc731779a0a61dd8a63e376bc171fb457fff586bcd7b51590ee672d8aa5d83a2a2b361d118ab6e2c1594bf43f316dd8ba02788310645a6b7a1bbde17ad6fe457a946c82e3d379284a154f89986f35ceb83320720a29cc6cacf2ce6c4b259eb19b23b696b1c89ac87c424faec8b95b561f7e0abb567f712dbd7f44c4fd07460e49969761db33a325cc7f4fcebf61b8b256c8a7092cc8523f8f037734b283dcf7b59b14985c467d59230723ee9b75a20b3832f808a5c0cc7479dfe5e24dedfb2f102f744accd2bc56947aba09ae9b4b9e9e9e7e1ce21ae421df1ffcd191a5fbca2470bc692fa06fc471b0dc23b0d56e006da20186e1501e5ae269e2f6bf69962add96e25b908efb360203ac69ba8b94f1ce2ae17cbee109b1e3a1fb346b03a40b644da2bf6321318a9769a9a122264421793244ebb9898198caecd8dfa4dea897e55f1e6a6e784582b1c19ab04bb07cbdf38cdd6076deda3a40fc3301f6b5d1a0a13ff053dfbc4a7f8145c2298d0bc301b7451cae75c6c9d5c580a4d707f4596d18287ddfd6573efd3dc85eabd229c42337cc972c2d1f298c6a592da6877268cc191524600381d9c0d7da380fba22fd860f8e483f4f9f6bd1a0ee5fc990dac3f16267c1b6762c6bb62e7142c4f508bb19d852264319f74633622efad478046908ae6625886fb38c6da1e73225960ae557fac3f8ca2664f8ed510420bc3ff9365b115e864b63ab9f65880347bf528136c7b55fd4a97f37c4f5ada27bc58256c4ea90b023c4f648777d47d26fdcb1d0537df641c931efda026ace6fdb99960b126a42e61a26450ae74d5e1ff67bc23d889bcf9e21321bd4b8ff4bf3b5743ec211fa853504776ae8ac549e3472ff19067a3990a6c6bd3b94c1eb6df8734ccf5545fd2ced523e293cb99b2f0184e41875cd136f80ab8e4420c2a908fba9d982c07f3eb7a45f7b0fa6477391a9e2c615bd4110ff49972e89cffe76b3a646733558d488b9b6250a07ea67d823f09d1872ec20e37f6d231825e75a193573364fcc4b0704a07fc40186bd1d12b2a1fdaa4630c6bfc1557f5240c1e30b61191bf4a963029ae30f6c551093ce2be474e2cc31e2046e8e09572c0c302019457de595ad5da056f739aaa17c3b8e696067ac2a60dde563791edd15dfda6a468d34a40172adaa77fea2baf8d24f9e742b9a838c6ef41b700c547d0b865355d9a74116b5d568686632a1f9c1c1170acb02e85d700fd3b3d01566a1b358749a90069968ee02cd11ee77435629ee6d2f59551799a5731376bf2f71d91bc7aac58477f7e129c2c10db2727dfb0a0689b3746aa3abf599ff8e72cb9504d649d9d0987fd4bbd97be75de250ffad76dad44f8fcc85cfc37ef86a8bddc6549ac0d1b02d68d8c7a51cdc49490bed4cf97f54e487e1942f1869806e4ed137abe120b039877bd058752caefcefd4f5b572e41a82bae5a928d617a6f902193b4eabf47c757f1a444e7396f5e366d65fbfdd4867f65e9a8832ea9e586778a91d7cc498c27ee0986b4c143ec9d693d9ae973cc96c480c2dcf5a4a1c57f5a54be77ce16ddb2cff784c46c385a54f2cde929fd0a715c8eddcff0069371c302dc6075b7909960ca86d8ebdefc6d4be4480492ba7fbcff1e26276662abe664b0830407545f3f0d7edb920a12fa0857dc99549a81e26aef823947e73b3674b6ccd5093b016debf78ff682027eab7abea03a7c01c7fbef63e7eccf2d3d4efe610fe8917bce90bacbfbd783fc28f28b4f5877930048dc78a6cdf2eedbce01ae9ffb8d9b77b812a31fdfd738b6da1d8e8cf25e320a2ab977823db315ea66e326dbffc296c244f42d28146512c1c5e3eec3fa2c83e3556965c44996fa76cc16fb7e952d40977e5c492813bc1c0d80f25956d07e86d2f0371b5d5219286058254f589a7e948f0d7feac77a91549b403ad1ef2e8b4a84c8d852bf711646b0878a58a03dd3625be9c10c73f0e6bc294adc6d763275760a8c7a487ff7d1019a91ebdbc383763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@INET_DIAG_REQ_BYTECODE={0x4e, 0x1, "616a31a3ff71d5e6ec3a9b9e10a71f84baffa1fd91d478cd33188de0f4ca5c97cb78189d887e078942db706ce74716399a8d2813c044617def5fa753e00b183564ca1e1812460b8ec2ef"}, @INET_DIAG_REQ_BYTECODE={0xb3, 0x1, "eff50dbd6bfdc3dbd89ed3b991acd801ea905db8c06b7cab2ddccc59cdf6f805f7b836aa6e6e320cbdaf27fa76f9fd1003b2d8b92a6df2632b7346482aa7ebd9aae9b90e96897e2ab37a2d9e486164fde826959c22c4dea9821fdff6547bd4ee396b1e6a11a9ac7a263fef307bbda8757275364143b921e06354ca75bcdb1cd0cd43195592698b5d0ff2799f8c196c2f63d358d1ed5baae3e5af663c4fc671ca855ab7c9ac2921545fd41c5d3ea8e7"}, @INET_DIAG_REQ_BYTECODE={0x3e, 0x1, "61feb545c2e00d5c8f1eec006b3857d11877946c92d5fdc996dad62ddf3a3b8ddaf513cd73f3a2315f84bc829cd624bef64499734710ba538087"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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"}, @INET_DIAG_REQ_BYTECODE={0x86, 0x1, "3fce5d6b10d5f9eb9e2da440b779cbc085b8632ff14bb1093895742065a1c7d38787f0203010f9eccc6c2ea0655620df392643df072024a0ae5162f6d9d440bb2e9a1cf7bbfcb43e4dae81d829e7fa96172f6be1b1bb9bd41fdbbb66658e1d05ac5a2b590d57a9565479e29adf638eda3df6f4eb4c0da706517657a57f630bb6f477"}]}, 0x2374}, 0x1, 0x0, 0x0, 0x10}, 0x60040040) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7a}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4100}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2394.944473][ T4243] block nbd4: Device being setup by another task [ 2394.953845][ T4248] block nbd4: Could not allocate knbd recv work queue. [ 2394.973752][ T4248] block nbd4: shutting down sockets 16:54:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) preadv(r0, &(0x7f0000001700)=[{&(0x7f00000001c0)=""/195, 0xc3}, {&(0x7f00000002c0)=""/178, 0xb2}, {&(0x7f0000000080)=""/82, 0x52}, {&(0x7f0000000380)=""/166, 0xa6}, {&(0x7f0000000440)=""/79, 0x4f}, {&(0x7f00000004c0)=""/146, 0x92}, {&(0x7f0000000580)=""/4096, 0x1000}, {&(0x7f0000000140)=""/18, 0x12}, {&(0x7f0000001580)=""/220, 0xdc}, {&(0x7f0000001680)=""/120, 0x78}], 0xa, 0x4, 0x40) 16:54:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2395.097797][ T4267] block nbd2: shutting down sockets 16:54:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4800}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DISCONNECT(0xffffffffffffffff, 0xab08) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000140), 0xc8001, 0x0) ioctl$BTRFS_IOC_SUBVOL_SETFLAGS(r4, 0x4008941a, &(0x7f0000000180)=0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) r5 = socket$inet6_udplite(0xa, 0x2, 0x88) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x208502) ioctl$SIOCGSTAMPNS(r5, 0x8907, &(0x7f00000000c0)) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x500}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000080)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x600}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) close(r0) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) open_by_handle_at(r0, &(0x7f0000000080)=@shmem={0xc, 0x1, {0x0, 0x8c}}, 0x102001) getsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x3, &(0x7f00000000c0), &(0x7f0000000140)=0x4) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2395.522522][ T4310] block nbd2: shutting down sockets [ 2395.560668][ T4316] block nbd4: shutting down sockets 16:54:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x700}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:50 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) r2 = socket$inet6(0xa, 0x3, 0x5) sendmmsg$inet6(r2, &(0x7f0000000300)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c, 0x0}}, {{&(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}, 0x1c, 0x0, 0x0, &(0x7f0000002340)=[@rthdrdstopts={{0x18, 0x29, 0x3e}}], 0x18}}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r2, 0x84, 0x1e, &(0x7f00000000c0), &(0x7f0000000140)=0x4) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x1, &(0x7f0000000080)={0x2, 0x3, 0x0, 0x1, 0xffffffffffffffff}) [ 2395.649063][ T4314] block nbd0: shutting down sockets [ 2395.804466][ T4308] block nbd4: Device being setup by another task [ 2395.850798][ T4350] block nbd2: shutting down sockets [ 2395.916412][ T8409] block nbd4: Receive control failed (result -32) [ 2395.942481][ T4308] block nbd4: shutting down sockets 16:54:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x900}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:51 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6000}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) sendmmsg$inet6(r5, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 16:54:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fcntl$getownex(r0, 0x10, &(0x7f0000000080)={0x0, 0x0}) fcntl$lock(r2, 0x24, &(0x7f00000000c0)={0x2, 0x3, 0x5b, 0xfffffffffffeffff, r3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6800}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2396.534920][ T4378] block nbd2: shutting down sockets 16:54:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x6c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2396.614538][ T4384] block nbd4: shutting down sockets [ 2396.632437][ T4375] block nbd0: shutting down sockets 16:54:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2396.733015][ T4384] block nbd4: Device being setup by another task [ 2396.770618][ T4404] __nla_validate_parse: 28 callbacks suppressed [ 2396.770638][ T4404] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) ioctl$TIOCGWINSZ(0xffffffffffffffff, 0x5413, &(0x7f0000007400)) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) sendmmsg(r0, &(0x7f0000007240)=[{{&(0x7f0000000080)=@l2tp6={0xa, 0x0, 0x3ff, @dev={0xfe, 0x80, '\x00', 0x20}, 0x2, 0x3}, 0x80, &(0x7f0000001580)=[{&(0x7f0000000140)="58d2c8d32fc3", 0x6}, {&(0x7f00000001c0)="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0x1000}], 0x5, &(0x7f00000069c0)=[{0xd8, 0x10b, 0x9, "4d928c0f7b27672c6d4b57a370161d9daee0e447f00a604470b7a2b497bdaf3aa08dffa357cc49e09b654c107d60e0f98a3d138d03a23bc754b5d7dcbfae001d60104aa5a063eedf737cee75c8acbb1cacf2ef72febef86401368b8f2dd2ffee2f430e0614ec9b634c820b1534952d447175f556efb70f6d89e99ca2cb1e6327512b87a54571f298bab121a6f06b3e3790e7965e952ab2287df9b8d4ec5254efb3d0f73c9e4c5ec31fbad79db453ceef121211d18344157c3974c44b641444e74efe08cda881d5"}, {0x110, 0x10d, 0x4, "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"}, {0x60, 0x16f, 0x20, "dffd3bb65d1cdfcc4cce9e6a3f4293c9a85f5c599576c9a81d5eca4e56692219659c198abbb5df9af5c1f8ab027f9647206fcad5a3f2eee2fccdeda1187ea518f7d4a597964e6dbb95b1e0681b25"}, {0x20, 0x88, 0x5, "a0125bdd1548aecae5"}, {0x20, 0x1, 0xfba, "7a1ef750fb69db72fe"}, {0x78, 0x88, 0x8, "7f07f6463af4781240ea53e0b6eeb4d1392aab6f3bfd3ac14270e7dce2a3c2fc836096d34506d1d831bea4fb7781630a2e5a40b4f2a50bffaaee6ce57b347b6b57dbc68e7d7d5123c4783329d92e0f7f5da69ee779b7b18b08e8bfd061a9984498"}, {0x50, 0x84, 0x4, "d4f1ae7f720048ed9d9dc3f31f5520bab68a3a13f275825a1ce46b9e07b185363102accee43d9365688599d98421bbf0be2ff664c1e4fda8b85896847f"}, {0x30, 0x10d, 0x4, "5e9f37ee545e41260defeacd9550ed184caa877ac5b70b489cc4837a8125ba"}, {0xe0, 0x118, 0xb17f, "9dc1e66f1ef6b6b6bf2e67083998aa38534d82868b534ed812a73d7d69ea6cea0f30877ef10b761e2d855616fa7d9c7c5015149d1101877cded3f8fc0b637d398763af4f6e3814d87df3fb3b0f864ba09a0a034d680c332579d1c68c43409bef2b018ff08fb06405b3eca92806fb50a4073a36e94dbb3919cb60869173fcc520491f6c9d2c6b98448ab5358fc3065e89a10f238a9cc788b21a9636b534fae84fd61079733ef4c59123dd397e8f21abec4e56152064f219b94e8e1f41b84f929775c42ca81be285129371f12e"}], 0x460}}, {{&(0x7f0000006e40)=@pptp={0x18, 0x2, {0x1, @local}}, 0x80, &(0x7f0000006f40)=[{&(0x7f0000006ec0)="bf5a27c2258e60c34f98aabaa1a9fa9389f5d7559dd2391864fd976d855a82fe13b9aad1597f6170315a570bc3ee85bf89bd44503d2cf91b7be6e89ed414897dbd715cb20fd46dd73d3b6aed449a0a523ffd00328c5ada052b71dfed73eb1b266e", 0x61}], 0x1, &(0x7f0000006f80)=ANY=[@ANYBLOB="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"], 0x2a0}}], 0x7, 0x20000021) 16:54:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2396.893131][ T8409] block nbd4: Receive control failed (result -32) [ 2396.895072][ T4389] block nbd4: shutting down sockets 16:54:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7400}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2396.972046][ T4417] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2397.063992][ T4424] block nbd2: shutting down sockets [ 2397.201168][ T4425] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:52 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 16:54:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:52 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000180)="772b4f3d1d8de3f9b095db4975dc4fe53c77fcfbeb3fcce4fd8819343244e1030184f1", 0x23}], 0x1, 0x0) r5 = accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000000100)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x2, 0x8000) recvmsg(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_DO_IT(r4, 0xab03) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x7a00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2397.333642][ T4432] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2397.455071][ T4434] block nbd2: shutting down sockets [ 2397.468323][ T4441] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:54:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2397.540665][ T4435] block nbd4: shutting down sockets 16:54:52 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000001b40)) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = geteuid() setresuid(0xee01, r2, 0xee01) setresuid(r2, 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000006180)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) r4 = getpgrp(0xffffffffffffffff) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000340)={{{@in=@multicast1, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@dev}}, &(0x7f00000082c0)=0xfffffffffffffecb) r6 = getpid() tkill(r6, 0x2f) fstat(r1, &(0x7f0000008300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r8 = getpgid(0xffffffffffffffff) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000008600)={{{@in6=@loopback, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}}}, &(0x7f0000008700)=0xe8) sendmmsg$unix(r1, &(0x7f0000008780)=[{&(0x7f0000000080)=@abs={0x1, 0x0, 0x4e21}, 0x6e, &(0x7f0000000300)=[{&(0x7f0000000140)="c75eba50c8550fca65d0aeaa27980968fc3af68b6a30bfbf09c232fc635f3d05c77bbe4fc71f8c7e96a8dee0ad5dd70f7affb4e4960e83ad860936a0", 0x3c}, {&(0x7f00000001c0)="dbfd18f8b7841be1def9633433fa1241f83a83beddce99ba05d0bd10689cda737c1a0a74707aa503e008c9cda3d93adfc0b0a7e01d9bcdfa5fe038640c47018a37622e4bc7ee8d0b745a843ede293ee85f8e6d518692eae79f7f6d6cea918affe1411fad54baee5b1d53d44713b3252ba8b2c4c360c577e16ba541a7771037663230716ce1335280bb4863204f10f93c62f4afba9d6c41fa4072b0be3f3f9266f6167fe4ce77ac7c5a08290e", 0xac}, {&(0x7f0000000280)="8e71ae27db76252dead4793ca6a5fae61c5f88ea55c56d5699cc6e15734c26605594897fa4e125907240cbecbe2044583161e542d94117bfe2ac80c1f27b41d01e5a3e65a43446ee82af039affff502d05d5fef4c370c7514c8b7288df0f813fd8e9fa16e0ba47668e", 0x69}], 0x3, &(0x7f0000000440)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @rights={{0x14, 0x1, 0x1, [r1]}}], 0x38, 0x4008100}, {&(0x7f0000000480)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000001880)=[{&(0x7f0000000500)="31909b262aa0c37517d96e1fefd0c71d9376228ee48be9a06bf652a7b63fc28fe3521a85639c39a6f987b3a857779c0e4aa47effb279d6bdedafaa21a84582b40a7ae32bcd26650d91577a5f3c", 0x4d}, {&(0x7f0000000580)="3c7965c2dcc6de5c52e72e89c7e1ded57292278bfd63aad3add2c00d293e8d124691de93c2a6e59357267bae69887ad5ca82f29f3fd8dee1d89df1f054a6aedebe95e6bd3793d9a7f287145ad553c440be4bd9f4bba2207247205921504f5f9f3ba80dbec809d29b4f7ca19baeb2ba7776787ba047b466a80f5631f4cb7fe97cb43d25d58f0e02f73100afd2489f143abbb4bb2158a425646b20405d1dbd10f473ec7e784716b3fc462fc64a2823ab1821b154eb98ff2e63ad0d3e6242b619df607388d5aae87e920ed2df3fdc003963f706f23c9958fb63466fd65b7184e39ccac212", 0xe3}, 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0x1000}, {&(0x7f00000016c0)="a58869f65f0b586cd6aefeaf9d38e839deede2059874870ad17470bc7ba02a47a8f988d8f9d7d306471d17f4a1f53c15e81803d6fe73aa4dab45d9adf3b53b073423a15ca55012bfa9fdc1cfdff9937936fa942bc41101793eff", 0x5a}, {&(0x7f0000001740)="dcfadc56b980c4ad62975f763de722a0448c4436", 0x14}, {&(0x7f0000001780)="c15dfd363a98b9320299a6", 0xb}, {&(0x7f00000017c0)="f08170ea8898a5b42727a6141a27ff60d4c339c2ab142e6ba7e6eeb0117797260c76d48ccea95aa80fd4cdb0659f77f2c80062e1ce094d3975aca6302a27229625fb258951e97f7b4100e32d81bfea50f43ca6ed07b4844c7a49a606ffad20f60dfd91594e6cdaa1", 0x68}, {&(0x7f0000001840)="27c26cb0082f336bb5458d160cb49f9c9854c1093295c75de6d4d0d05f303f93ccb04eafecaed0827b2c1fde5884a23926d71b1d76ba4ff19561a436", 0x3c}], 0xa, &(0x7f0000002f80)=[@cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee00}}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r1]}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, r0]}}, @cred={{0x1c}}], 0xe8, 0x4040814}, {&(0x7f0000003080)=@abs={0x0, 0x0, 0x4e24}, 0x6e, &(0x7f0000003280)=[{&(0x7f0000003100)="d41f71a33eff82cc3d11da6a26f6ede7c6fd84ab4f368c0aa44b1507863b3ca84db87cce600ea21e1e12d253e73332041fc6a2c11c186a8c45466186a34916438b41c40efdeb4fd88693db7b801c5568c7e6695d15ed9f336197c7706c648b57ed810341088aba1473ad4970b2f9f7019b1c3451c5c3", 0x76}, {&(0x7f0000003180)="d034db12973f605e7fa21424b174e9700a9ff41bd09493961385e096bc99c5c08c56588665822486568be9540d16e6d8ee49a6e5c60ddbe94faceb723d922183a0faaf5e1e43d1f5e0def75e70bb759c2b1c9bf744e8e6ef5275bb6e44420f351bd0f6ff743985840a6bed8b567da1e0ffb8b0ed14b48a403249a2d73ff3fd072ac4667081c32f6ec886bcd795419c8e9ca35ac21e7b766acd410eb5bf2653c267ce7f4fd050a7a5d4e796d2033a85fd9d625853b1de55c530388e690e0b8062f533740c7eb6469530f5c8f36f84731d61e6096d344d91b51467", 0xda}], 0x2, &(0x7f0000003380)=[@rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, r0, r0, 0xffffffffffffffff, 0xffffffffffffffff, r1, r1]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0xffffffffffffffff}}}, @rights={{0x30, 0x1, 0x1, [r1, r0, r0, r1, r0, 0xffffffffffffffff, r0, r1]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff, 0xee01}}}], 0xa0, 0x40000}, {&(0x7f0000003440)=@file={0xef10fc248fd788d, './file0\x00'}, 0x6e, &(0x7f00000035c0)=[{&(0x7f00000034c0)="b5c0a307271e2fc255ba8e774e7355d67210ba02774b2a5154185d96d4a3857f26e8b77082b644e8bd5b73412ab2419d8c73c6ba814102643fd26c1eb5acbfaecfa69ee2c626502f17e8157653573e73d311dc8a96219c210b48d3bd0a3ea56638e0e63403", 0x65}, {&(0x7f0000003540)="a3023302844e123ec0ab22b026b8a5df86d511fec986de13f765ac1e24c5710700e5cbdedbcca2776bf50cac4a8440907347cb688f79db29ba4968082bc050cfb97a4cea98a2983205e0a80218", 0x4d}], 0x2, &(0x7f0000003ac0)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0xee01, 0xee01}}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @rights={{0x28, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, r0, r1, 0xffffffffffffffff]}}, @rights={{0x28, 0x1, 0x1, [r1, r1, r0, 0xffffffffffffffff, 0xffffffffffffffff, r0]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee00}}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, r1, r0, r0]}}], 0xf0, 0x81}, {&(0x7f0000003bc0)=@abs={0x1, 0x0, 0x4e23}, 0x6e, &(0x7f0000004fc0)=[{&(0x7f0000003c40)="1951a8bf057dec8d83208a9ead2ce6ecbe221f19a16b1fc5ed9e4c2378f29121b7ed036f3c2091aa6f65e00af448e1ac14def242a0cd9d1e0f7a99b7da30da0afbde1bf9e852f514281d3df1034a803f84674a360b0b3608a2b968602e18181106468a4e0679b089ccbf7b2f6f8981fd3c119e8ff9ed76570c87e00966418b5885de47728b79a4f4ac739d553f5059ee60be4ea97272582b", 0x98}, {&(0x7f0000003d00)="5343a084068444ed4fd6555372dd5eeeb939642a073748716faeb1b4f7e6ad72a4999f2504b5dfb0df2fd58ff6bbebcd694c2c97de5faefc624064ff10e7066c352a47131bba321a9b084388efcb4f18394edf25276306b9234bda21efb3b70d87f6daa69e1f8c54e4a0debf3cbda53d945faa22b85302ad5de23657c704f3523a1c704873d0565031e24d3f94ab2de946f2334e6dac4e08e393b9a0361dbe1ea578d8d8b3a1d3dfc5331be71f9ec91e111b94ef31d39a", 0xb7}, {&(0x7f0000003dc0)="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0x1000}, {&(0x7f0000004dc0)="05a4c16c91f6563716da2522619a7380ce26e05e716b949870de007e573a2fed7b8ab2e288f57cd5bf7eb9f95fc11a7f8134f91d1b73f3d0ba5866ba42c715f662aafe", 0x43}, {&(0x7f0000004e40)="0b664075c503296c1b739ddd8b344b74354a408df7d3084ae1433f70d90d6d85580d85018f8c16453d321cb69fd722d4af634484f880aff401f47e868903f11bc99b826446d3604150997b7781d4f5eeadf083c4f9674ae668081ada0b5400fab65ae97e3cbb3ad595325c795e56dad33c7cdab0a87b2bc136643fb635676d2970bfe28e602ff0c76295de88cbce06d404efa792b438aa9f5cd8988d59d4a3d2b946698696d309a0", 0xa8}, {&(0x7f0000004f00)="852a17a9eff30d14caebff9654d829602e91e5d9a528671630f6", 0x1a}, {&(0x7f0000004f40)="7c9783b075e071e57f7322f63ea99118017081efb902c57ccd05d5f2c7d7203a660ea31c1d8611a099f9acc88d6234ae6299809f97e19e9b97477ff9553e522ef5cf7427191869a298c1390ef47cda25d05cd8738c863cd708243d6f08afa6d690ff78", 0x63}], 0x7, &(0x7f0000005040)=[@rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, r0]}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}], 0x50, 0x1850}, {&(0x7f00000050c0)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000006140)=[{&(0x7f0000005140)="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", 0x1000}], 0x1, &(0x7f0000008380)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, r2, r3}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff, 0x0, 0xee00}}}, @cred={{0x1c, 0x1, 0x2, {r4, r5}}}, @cred={{0x1c, 0x1, 0x2, {r6, 0x0, r7}}}], 0x80}, {&(0x7f0000008400)=@abs={0x0, 0x0, 0x4e24}, 0x6e, &(0x7f00000085c0)=[{&(0x7f0000008480)="e44fc82b25e392d587ffc9da9ba24db9a1dde01b196a94e684063b250152", 0x1e}, {&(0x7f00000084c0)="ed2091b5c3d612734346d47c5ec070ff23365b520f210ad3b692d01ea253970415ed488e0eb5a8aa89a2272a63067be3aa6e5cc4035311dd0dae2f1dde5433a3a27e8215f430974ef281b93891fae9bb47f29be17c91d85df9dfee84e46697ebbc79df92890a4422", 0x68}, {&(0x7f0000008540)="632a31b9e1f6c71338f64165e117dc9ba7ab68f62aae6fffae27d65c8ad87ff5197e18b568ceb58bea76c391f4e5e639e95d442216412008908c32211e53ac97016e64220f4b453d4deff8de2252bd4a906fc51ff9d9618f1f3377e6cdb39c6174bcc31aff24934faff6510c6f7a3fab306b7bf375a04a", 0x77}], 0x3, &(0x7f0000008740)=[@cred={{0x1c, 0x1, 0x2, {r8, r9, 0xee01}}}], 0x20, 0x20000000}], 0x7, 0x48000) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2397.612777][ T4451] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2397.637263][ T4453] block nbd0: shutting down sockets 16:54:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fcntl$setflags(r1, 0x2, 0x1) sendmmsg$unix(r0, &(0x7f0000000080), 0x0, 0x20008040) 16:54:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x7, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2397.904977][ T4462] block nbd2: shutting down sockets [ 2397.953800][ T4469] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:53 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:54:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2398.304989][ T4483] block nbd4: shutting down sockets 16:54:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1100}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x8, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:53 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) recvmsg(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f00000000c0)=""/192, 0xc0}, {&(0x7f0000000180)=""/196, 0xc4}], 0x2}, 0x40000000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r4 = syz_io_uring_complete(0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) 16:54:53 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000080)={0x0, 'gre0\x00', {0x3}, 0x1}) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84000) bind$unix(r2, &(0x7f00000001c0)=@file={0x0, './file0\x00'}, 0x6e) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) sendmsg$TIPC_CMD_SHOW_STATS(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000240)={0xfffffffffffffffc}, 0x1, 0x0, 0x0, 0x81}, 0x10) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) [ 2398.419275][ T4492] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2398.429510][ T4485] block nbd2: Device being setup by another task [ 2398.437847][ T4485] block nbd2: shutting down sockets 16:54:53 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2398.470761][ T4494] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2398.498201][ T4494] nbd: must specify a size in bytes for the device 16:54:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1200}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x9, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2398.606163][ T4503] block nbd0: shutting down sockets [ 2398.606493][ T4504] block nbd4: Device being setup by another task [ 2398.661678][ T4509] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2398.752289][ T4512] block nbd4: shutting down sockets 16:54:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x18, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) r2 = pidfd_open(0x0, 0x0) r3 = syz_mount_image$vfat(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x5, 0x7, &(0x7f0000001640)=[{&(0x7f00000001c0)="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", 0xfd, 0x9}, {&(0x7f00000002c0)="808da7c0f5af618aff338aa7fb4778390e1db0cc4e34ea2b5a64d9534247e47db03f65b60511247b6b977dc3fcc45384ce4f0f8b7de44e251d27648462af6c22ef0cf061bbd74ec5c24f008fd2ca070d24e67fd8cc46a525d5bfd24b420055329b1023ae1cb3c85dae4b550a7ee618f9795e5beae91e97f1", 0x78, 0x80}, {&(0x7f0000000340)="3d36d655374801ea00859b55bd5557555ec1e7ef61ea79b4e5e44efed52e7135a719faa9248980827b68c80da6322870037e970fa536b4c4101d89c122d3a5f5d19eb84abd4f51731ec51ac98c51663a3d2325530aafc2d26944489247b1ea7de72d22501eccf4e97ffd908bf54c37b5c7789e8aa085066e336668932fc4619c4acbac72d150111b4a7c680c5e2a280f9d3b1f430d72a3c8c2b225a21a5721fdc3c9df09918848ec4d9602328663837993836a91688f652cb20ce222c27884d2906aecd31e4573", 0xc7, 0x7fffffff}, {&(0x7f0000000440)="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", 0x1000, 0x8}, {&(0x7f0000001440)="1611a4583ef90cea4338f004e1497c32177c357380cd55bc0583e6e4e9dfce00381174a205e31aff0f2df4d34cce14a86d2485e85279a7c8c771336e1207e7677e278eb86f567f701a98631ec9cc61cc2046a0d66d51d58572c9a6d33ea9c84c7f3f40c3bf1b7a97e721264d684ab6512f3304b9dff4427c8c548a1eb26ed027aa32e1c2a03498bd13f0f30ca01c5bb1bd76fb69d1cf5b8c283c8adc48500655e3832a70b22e41b9a2ab2a0853115ef4e8c54d63933f5c45ea376c4b06a2d49416bcd1ea48e8fa957d44f3e3678567c4f7f77084ddd1e66f94141aefb6690476953c0bc472b58e09ada03240760aef8aaa", 0xf1, 0xffffffff}, {&(0x7f0000000140)="52fb079f405123b92a2c11339b9ac3db8a550854f8beee04b8ea5ede7495b0fba2b21b3f42636cf504f0a390c38f85bdc20f05685749b0f34836", 0x3a, 0x6}, {&(0x7f0000001540)="48211cf9705e263925a510b4dadd8da2dda64a79431af60760c2fa885f0889646b209339a3f136efb933095d5a649a7ea165d8a89f565821168c19b607c572cd9ee314343d9f6330488fffb54ea0029af0f3f88d2e9b3bb96d1abbe91da7d740e12084442e47a3ee68f038aadbdcb0c301db397c6065310f9477fa60bf98f5d8617ca648af08e1897cc2dc6fddfb335e9ba371856bd021560324fa0400a84d1d6e3de69cf97a1dee2a460607df94da026282638292a645d5e1f063d5309075125a90296926a9d711c621b85cbd487b1c20903b1bf766f909517edc9621a5381ca36a1508c102ea0f8a087093ac9b2af32a50174bba", 0xf5, 0x1}], 0x46000, &(0x7f0000001700)={[{@shortname_lower}, {@shortname_lower}, {@uni_xlate}, {@shortname_win95}, {@uni_xlateno}], [{@euid_lt}, {@fsname={'fsname', 0x3d, 'veth0_vlan\x00'}}]}) ioctl$BTRFS_IOC_RESIZE(r2, 0x50009403, &(0x7f0000001780)={{r3}, {@val, @actul_num={@void, 0xffff, 0x65}}}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1800}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2398.904272][ T4496] block nbd4: Device being setup by another task [ 2398.943072][ T4512] block nbd4: Could not allocate knbd recv work queue. [ 2398.972394][ T4519] block nbd4: shutting down sockets [ 2399.012635][ T4537] nbd: must specify a size in bytes for the device [ 2399.059973][ T4537] nbd: must specify a size in bytes for the device 16:54:54 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2399.240571][ T4546] nbd: must specify a size in bytes for the device 16:54:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x793, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2100}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:54 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000001b40)) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000003cc0)=[{&(0x7f0000000440)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000840)=[{&(0x7f00000004c0)="a16e7549f3516d1e14b2f91dc8b8", 0xe}, {&(0x7f0000000500)="41d8a9f24b0e5be59ab51e7a65fc944bdded464f3ce6bdabb292edccfab349d8933679ac7f1d0d22d68f168e27d8aaac6f503615c5d9a9cde62468e296018a9025efbed0913c", 0x46}, {&(0x7f0000000580)="0a30afcb184a4589850b4bbcb2051ba19e85f6599a9f02621aff6bc6e1f6dd7cc57746d51a418de96ba2", 0x2a}, {&(0x7f00000005c0)="7db5db4bcaf7b44abc733958e7df9a9abf4ed2a38371edd76569497729a928389137c84f53d34dee859af5f2ee352455b80f23abb176dd73c4e3196dbdf735f7e672b35973fb5e492ea3a97dd4921cb7d5f85a6b4be6e736d317393954c107419a7cee25edf8e923beec64f08d2e46e4eb76431e70ad2f8955bfe525ca5db4db92ff476a1ae68004a18185ebd689a0f6a3b744fb011943299c06666800fa6055a10b6d18db9ce8f2d70c6bba3eabb8c218d0edd791587b309bfa60bd67e9", 0xbe}, {&(0x7f0000000680)="caa0653a547ccda50e95c0c0ce48b08aa0013d3cc1b89de3851103a13af155b9fb9f9680b47acf9d6906ad1a1a5c87278474d3253236fa1a7649306abf130db58c8aa242821fa001cc6908d44905f8d1f5284389e78498446c0814a15cbbea80fcc5cf9e6eb1b9bc63f163ab5bee0a3b28bcba80", 0x74}, {&(0x7f0000000740)="7531afba1539e11443d03cf7cc048cb13679c0cdd116ab3ba65fd31a557895b7116d971d916c90f7f49a4c122a43a5b88c945cccfe3544a0e033003937842ffa3909b430fb88039074de67063d6630cc77c63cb0e5918195565b5c8a6754712550c293507779fa1cdd940a9762feac7902fc8cc43231ad6bf68955f8e383f0825efa34c3001731442b54a3c40b1ca76cd0e5ec12a9ac941f0c069c240eeac18a6f1483dfb3113c67c43c9a1e06f405a1e4245ebaf5ec494d3a53b1be10e6b10e1b7b564dfd56001a32d916619f20e580d2adac", 0xd3}], 0x6, &(0x7f0000000c40)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}, @cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}, @rights={{0x1c, 0x1, 0x1, [r3, 0xffffffffffffffff, r2]}}, @rights={{0x2c, 0x1, 0x1, [r2, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r0]}}, @rights={{0x34, 0x1, 0x1, [0xffffffffffffffff, r2, 0xffffffffffffffff, r0, r1, 0xffffffffffffffff, r2, r0, 0xffffffffffffffff]}}, @rights={{0x14, 0x1, 0x1, [r1]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [r2, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x168, 0x4000}, {&(0x7f0000000dc0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f00000010c0)=[{&(0x7f0000000e40)="822b0635e963077fe8e9aa5ea78ebb76667030b270f0872bc7f57172324fa2f1ab7df4641f53feb60d66fafac43f8a9ded4ddb3e21bca99a76f22985fabe01bfc25545de1b7ddd0bfd89f60a37f9e5f468f6b1fcc8e7a84a3f30f93bb51744a0c74c96d417c9d6b23e13e2eea92ec0bfd7219b0941ca43a5299ac5c1bfc53a26e66bf94eef32ae3115069c358094fa46056e3d15190c438a17b6b2df9024371360460742f7218ff8b8ace80fefddd433271d7d574c5efa0377c7e6e8e608b0025f1420797ad8d839b0e37f3966213cb49c04327ac303542b6a5b9c3d74a00f899aae3c8afae63382", 0xe8}, {&(0x7f0000000f40)="e628e33263a0c2a4c524dd7aede84f4556d6afc50f62943a71244ba8f3f880783b89acd618443327a561278361d6beed858e976593bf28d3982ec34b0953de7f387830a9ec886f93b5885135446b3e0fbe1fd27f372efe30351bf024d1af647182202ff06d63cb2d8e119543021725fe8f1ffbe6ac10e1", 0x77}, {&(0x7f0000000fc0)="1f8817ef177b218cbc0fc0b38d5cd0f6dcfb522a39e35ab8238f831eb4dd07a4c011ac28044442f89523bd2b8cb2455d7c41bbc6fe66cc2d47b6f80ccbf4ed6a268db96c4d865c36796310560d1e2983c90a8bd0437880c42baeb2aeede14b7f19d4a18d2f73f0b952614dff828ccafb6ea1a380c150fc3e70537345c159695d90a6b07308e1aecbe0f0aaad3b4dc92f11c3d7c56061012d5a691ab774d77d1df0741d6791e24fc8fabe2fd308a49b3f7574f6abd8bef4ca058759a5f75ffa68683b186944fe", 0xc6}], 0x3, &(0x7f0000001100)=[@rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, r1, 0xffffffffffffffff, r3]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}], 0x40, 0x64004}, {&(0x7f0000001140)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f00000023c0)=[{&(0x7f00000011c0)="02a4b450fd80766a601e6907008b4c17f08937236fb28724ad7d67671cd93c97544eb4b61cbc48ddc064b8a652", 0x2d}, {&(0x7f0000001200)="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", 0x1000}, {&(0x7f0000002200)="654dfb7e35682c7bed3c3dd3031a6403c7646d60b92d496a9e9bdcbd5d6e9e62e77c55e7f71c3c6f80148ae0b758d50e7122e6ac5273d02e3231dbdacd7eb8cc5ba2c2bc24e5e07e14e3606b1eb87c89d5835fb1c620311e6e3acbaa202eed9b5fa0bb7bd3086c87179990ce7e6cb152303889ecdd990afbd806c5e996b2291be504a1cd437dce543dce53e1218e99e78ebe14b8ea31267b638f1d608e1a842023e02644fb", 0xa5}, {&(0x7f00000022c0)="684f97013a31b2078ee7f75dd01adc43943f1b602b73a602b788cf60d6c740349d1e4d45fcdf1aea4dd3c6ae1d9d256411d3645a5e292c27541a058ef6e1e0e581ec2cab114b6adab62e83e11a3fc40e70e88c3b4d2c7da374cbb14e7c6f547e5755b40f7742f70a9c5fb711d340a060aba163705e262cd66a804957", 0x7c}, {&(0x7f0000002340)="638750acc835cf1ca10767cb62227acf4f9c7bf9ff44565a3021619f89f01bd1734a909e2037f291a474656436eca5b246366c3b64110b8e84bc4adb4c3213f10d42d9833e8b7f58b4fec482179c5332b8bf85e16b7f2def6f5fc7169c6231", 0x5f}], 0x5, &(0x7f0000002600)=[@rights={{0x20, 0x1, 0x1, [r3, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [r1, r0, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x88, 0x80}, {&(0x7f00000026c0)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000002a40)=[{&(0x7f0000002740)="1531b07b87b7b66ea75c735c66e7e6975cc7afe36d8149ebc66574d0a7d033edb2f00f74b7f07ba857fb77645a58233bfe46db042ecfa66a0b7b3cd7f8965e56aa44ba", 0x43}, {&(0x7f00000027c0)="6588c44b882411d663ab7f71a110da5c60b0b4c8ec16ce2f30c686647ba50d9f821d706ded027c", 0x27}, {&(0x7f0000002800)="629f99da63706f33ac63ff3561578695d0c0517894cc692457c548e02c30dcb501f08c525c8f6187b40c5de38c0f8a7e2f193f2781db80f8ac412cab469d681aed50198c", 0x44}, {&(0x7f0000002880)="a7ad5c067f1951775151d0b838f72d14a3115fee99343d62878d2e9d83667de8cbb1a913159548ac198513d7a7ca7eb80deb0dafc4373a5c7f5a39929944681afc59003f494a8896b838c37d683eb6ff", 0x50}, {&(0x7f0000002900)="14d56b92b55652233f5a6e1b71f841", 0xf}, {&(0x7f0000002940)="bf48a89b2b44ae46da94adc11f9d9fc0eb0593098f74732f7fdbf649b234aac8618a67293ac6fc0bf8ba831feeae63bbd8e56d4fc3a46dc5d4bda90d7cee562ae0b7fbbec496cfa2e4dcbdee283ec01c4db3db46e7d10e4772b80bd53fe4a375f483a0a351e001095237d60212ad6dcc28c9440399a5662b99d9dcba17cd58240221", 0x82}, {&(0x7f0000002a00)="ba76e8afcde08a3c928382fa09ef557f", 0x10}], 0x7, &(0x7f0000003bc0)=[@rights={{0x2c, 0x1, 0x1, [r0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0xffffffffffffffff}}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff, r3]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, r2]}}, @rights={{0x14, 0x1, 0x1, [r4]}}], 0xc8, 0x8080}], 0x4, 0x4048010) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f00000000c0)=@ax25={{0x3, @netrom}, [@bcast, @rose, @null, @netrom, @netrom, @rose, @netrom, @null]}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000140)=""/162, 0xa2}], 0x1, &(0x7f0000000240)=""/241, 0xf1}, 0x22) [ 2399.426298][ T4555] nbd: must specify at least one socket [ 2399.457800][ T4555] nbd: must specify at least one socket [ 2399.460674][ T4506] block nbd2: shutting down sockets [ 2399.530395][ T4564] block nbd0: shutting down sockets [ 2399.582798][ T4565] loop3: detected capacity change from 0 to 264192 16:54:54 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:54:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x7a0, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2500}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2399.735712][ T4579] nbd: must specify at least one socket [ 2399.783201][ T4580] block nbd4: shutting down sockets 16:54:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x7ad, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2399.953064][T24020] block nbd4: Receive control failed (result -32) [ 2399.969709][ T4580] block nbd4: shutting down sockets 16:54:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2400.079398][ T4600] nbd: must specify at least one socket 16:54:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x5bef64f54a62446e) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2043c1) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4e0f02) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x20000, 0xc) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000140)=@IORING_OP_RECV=@use_registered_buffer={0x1b, 0x0, 0x0, r4, 0x0, 0x0, 0x0, 0x40000001, 0x0, {0x1}}, 0x8ab) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:55 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) 16:54:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x4, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r2, 0x7, &(0x7f0000001b40)) fcntl$lock(r2, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r2, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x7, &(0x7f0000001b40)) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x7, &(0x7f0000001b40)) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) sendmmsg$unix(r1, &(0x7f0000000540)=[{&(0x7f0000000080)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000000140)=[{&(0x7f00000001c0)="34ba45196df7bda261254c83c237c77cc0d371adf8db5f0c562af328c3992c03b60af50aae82516475e7795cbac6bd1da5828301aba485fb9fa5f5cfaff29248e1bf4241ac33f778e30c9a68700558fb31855111097499309eb2e3f637bdb817f19b5abe8b98975a6f7687bff9a193301b1fb64ab288b96516d0b5870f321d78dbba7e666cef1e52ecf73ba5057efe47f5b4c722c365cf31b437e4513978721365981b8328d2daffb9726fec5befdf27c1b51aaa94558de1f6637906fde663570c436cf824", 0xc5}], 0x1, &(0x7f00000002c0)=ANY=[@ANYBLOB="156ce3d81c0000000000000001000000", @ANYRES32=0x0, @ANYRES32=0xee00, @ANYRES32=0x0, @ANYBLOB="000000001000000000000000010000000100000024000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r1, @ANYRES32, @ANYRES32, @ANYBLOB="000000001c000000000000000100000002000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32, @ANYBLOB="0000000034000000000000000100000001000000", @ANYRES32=r1, @ANYRES32=r1, @ANYRES32, @ANYRES32=r1, @ANYRES32, @ANYRESOCT=r0, @ANYRES32=r1, @ANYRES32=r4, @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0xb0, 0x4000}], 0x1, 0x9b05bb961782db76) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:54:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2400.329002][ T4615] nbd: must specify at least one socket [ 2400.356913][ T4608] block nbd4: shutting down sockets 16:54:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4100}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x9, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2400.464284][ T4608] block nbd4: Device being setup by another task [ 2400.471770][ T4619] block nbd4: shutting down sockets [ 2400.552787][ T4632] nbd: must specify at least one socket [ 2400.604324][ T5658] block nbd2: Receive control failed (result -32) [ 2400.615290][ T8409] block nbd2: Receive control failed (result -32) [ 2400.615319][ T4586] block nbd2: shutting down sockets 16:54:55 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:54:55 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)=@tipc=@nameseq={0x1e, 0x1, 0x1, {0x0, 0x1}}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000140)="b3e3b3a1a38598a0e93daf74e046f3bcd915", 0x12}], 0x1, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x128}, 0x40000) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r4 = socket$nl_audit(0x10, 0x3, 0x9) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$AUDIT_DEL_RULE(r4, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000180)={0x10, 0x3fa, 0x0, 0x0, 0x0, {0x10}}, 0x420}}, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4800}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) r2 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080), 0x900, 0x0) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000140), 0xffffffffffffffff) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000280), 0xffffffffffffffff) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r6, 0x8933, &(0x7f0000000580)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_TID_CONFIG(r4, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x1c, r5, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r7}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_SET_PMK(r2, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfb, {{}, {@val={0x8, 0x3, r7}, @val={0xc, 0x99, {0x101, 0x49}}}}, [@NL80211_ATTR_PMK={0x14, 0xfe, "768b6125eb56b24a633e67b1993a25dd"}, @NL80211_ATTR_PMK={0x14, 0xfe, "9c5e89c4ca6a3d2b7e1f19b0321ec584"}]}, 0x50}, 0x1, 0x0, 0x0, 0x50}, 0x0) 16:54:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x793, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4c00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2400.786420][ T4647] nbd: must specify at least one socket [ 2400.974076][ T4656] block nbd4: Device being setup by another task [ 2400.982413][ T4661] block nbd4: shutting down sockets [ 2401.025571][ T4661] block nbd4: shutting down sockets [ 2401.143324][T25372] block nbd0: Receive control failed (result -32) [ 2401.143324][T24020] block nbd0: Receive control failed (result -32) [ 2401.155656][ T4623] block nbd0: shutting down sockets 16:54:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7b5, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:56 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) 16:54:56 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x7, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500)}], 0x1, 0x0) ioctl$KDADDIO(r2, 0x4b34, 0xdbb) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r3, 0x24, &(0x7f0000000080)={0x1, 0x3, 0x0, 0x400}) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) close(r3) 16:54:56 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$F2FS_IOC_MOVE_RANGE(r3, 0xc020f509, &(0x7f0000001880)={r1, 0x1, 0xffffffffffffe278, 0x1f}) r5 = syz_open_dev$audion(&(0x7f00000000c0), 0xda1, 0x4040) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x4002) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r6, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r4) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r4, 0xc01864c6, &(0x7f0000000140)={&(0x7f0000000100)=[0x200, 0x5, 0x2f8, 0xffffff8c, 0xd6, 0x7], 0x6, 0x180000, 0x0, 0xffffffffffffffff}) ioctl$CAPI_INSTALLED(r8, 0x80024322) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2401.492952][ T4681] nbd: must specify at least one socket [ 2401.627637][ T4680] block nbd0: server does not support multiple connections per device. [ 2401.647182][ T1294] block nbd2: Receive control failed (result -32) [ 2401.647622][ T4649] block nbd2: shutting down sockets [ 2401.706379][ T4679] block nbd4: shutting down sockets 16:54:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6800}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:56 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2401.893744][ T4691] __nla_validate_parse: 15 callbacks suppressed [ 2401.893763][ T4691] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2401.974231][ T4694] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2401.985520][ T4696] block nbd2: Cannot use ioctl interface on a netlink controlled device. [ 2402.013065][ T4696] block nbd2: Cannot use ioctl interface on a netlink controlled device. 16:54:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6c00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.032216][ T4696] block nbd2: Cannot use ioctl interface on a netlink controlled device. 16:54:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x0, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.103375][ T4701] block nbd2: Cannot use ioctl interface on a netlink controlled device. 16:54:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6800}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.181253][ T4707] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7400}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.228667][ T4676] block nbd0: shutting down sockets [ 2402.242436][ T4711] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2402.304274][ T4687] block nbd4: shutting down sockets 16:54:57 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) [ 2402.375997][ T4720] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 16:54:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40100) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.488040][ T4722] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:54:57 executing program 3: setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000080)={@mcast2, 0x6, 0x1, 0x2, 0x5, 0x5, 0x8}, 0x20) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) r2 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)=@bridge_delneigh={0x28, 0x11, 0xd03, 0x0, 0x0, {0x7, 0x0, 0x0, r3, 0x0, 0x96}, [@NDA_LLADDR={0xa, 0x2, @link_local}]}, 0x28}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@newnexthop={0x60, 0x68, 0x200, 0x70bd25, 0x25dfdbfc, {0x0, 0x0, 0x2, 0x0, 0x17}, [@NHA_GATEWAY={0x14, 0x6, @ip4=@private=0xa010102}, @NHA_ENCAP_TYPE={0x6, 0x7, 0x5}, @NHA_BLACKHOLE={0x4}, @NHA_BLACKHOLE={0x4}, @NHA_OIF={0x8, 0x5, r3}, @NHA_ID={0x8, 0x1, 0x2}, @NHA_GATEWAY={0x14, 0x6, @in6_addr=@rand_addr=' \x01\x00'}]}, 0x60}, 0x1, 0x0, 0x0, 0x4}, 0x10) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x3, 0x9b}) ioctl$sock_SIOCADDRT(r1, 0x890b, &(0x7f00000001c0)={0x0, @l2tp={0x2, 0x0, @multicast1, 0x2}, @can, @l2={0x1f, 0x0, @none, 0x5, 0x1}, 0x8001, 0x0, 0x0, 0x0, 0x5, &(0x7f00000000c0)='vlan1\x00', 0xfffffffffffffbff, 0x3, 0x5}) sendmsg$RDMA_NLDEV_CMD_GET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000440)={&(0x7f00000003c0)={0x48, 0x1401, 0x300, 0x70bd2d, 0x25dfdbfd, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x2400c894}, 0x4000) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000340)={@initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x81, 0x1, 0x7d, 0x0, 0x7fff, 0xfc24}, 0x20) 16:54:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)=@tipc=@nameseq={0x1e, 0x1, 0x1, {0x0, 0x1}}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000140)="b3e3b3a1a38598a0e93daf74e046f3bcd915", 0x12}], 0x1, &(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x128}, 0x40000) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r4 = socket$nl_audit(0x10, 0x3, 0x9) r5 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) sendmsg$AUDIT_DEL_RULE(r4, &(0x7f0000000600)={0x0, 0x0, &(0x7f00000005c0)={&(0x7f0000000180)={0x10, 0x3fa, 0x0, 0x0, 0x0, {0x10}}, 0x420}}, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2402.561165][ T4728] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.632359][ T4739] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2402.651674][ T4728] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2402.677655][ T4728] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7a00}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.704562][ T4730] block nbd4: server does not support multiple connections per device. [ 2402.730395][ T4730] block nbd4: shutting down sockets 16:54:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2402.765289][ T4752] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2402.779349][ T4739] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2402.853087][ T4740] block nbd4: Device being setup by another task [ 2402.881364][ T4749] block nbd2: shutting down sockets [ 2402.901383][ T4751] block nbd4: shutting down sockets 16:54:57 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:54:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x30000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:57 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) syz_mount_image$affs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f0000000240)={[{'grpquota'}]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:54:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2403.128705][ T4776] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2403.168945][ T4775] affs: No valid root block on device loop4 [ 2403.324996][ T4791] block nbd4: server does not support multiple connections per device. [ 2403.341244][ T4775] block nbd4: shutting down sockets 16:54:58 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x34000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2403.424170][ T4794] block nbd4: Device being setup by another task [ 2403.431254][ T4799] block nbd4: Could not allocate knbd recv work queue. [ 2403.461283][ T4775] block nbd4: shutting down sockets [ 2403.484224][ T4810] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2403.547253][ T4813] netlink: 1 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2403.585058][ T4816] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2403.601069][ T4816] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2403.612739][ T4816] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2403.624924][ T4816] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:58 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) r5 = accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$sock_SIOCETHTOOL(r5, 0x8946, &(0x7f0000000180)={'veth0\x00', &(0x7f00000001c0)=ANY=[@ANYBLOB="1a000000080000000300000000000000a309a3b7a07b91e3006d85eb611d95465d96df6df89000"]}) 16:54:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400300}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x6}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2403.693173][ T4820] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:54:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) recvfrom$unix(r2, &(0x7f00000001c0)=""/114, 0x72, 0x40000100, 0x0, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setgid(r4) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000680)={{{@in6=@local, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in6=@mcast2}}, &(0x7f0000000780)=0xe8) r6 = socket$netlink(0x10, 0x3, 0x0) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setgid(r7) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f00000002c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000600)=[{&(0x7f0000000140)="fc2d498239153ed2d6c6152b75929ad48e9b9b13e6126cf3f38c5e31c814d6f7c65b5188d2d202316249e153cc8a", 0x2e}, {&(0x7f0000000340)="ec79b9f1dfcdb576507eaa277e15a3ca90e70c9e7dfee15bcb3067800fe6416258478928ddf08575e29644e1a9b473cb42f0", 0x32}, {&(0x7f0000000380)="ca2c703db18053071216488d872892f9c8e67a74299e2b4d5735feb018f21df6b245916ab685923494826b98c70a849aae5fcc6af02ef5c0a4a93ac6ac8167b6fc315695d1ed3402aa595fba7d19c09d6893d60ab5bee45e5400af92eff1b6da874354a6db331cb7f41987830d7c05b10baec3367a99af18fdfcd1a2637e3164ca1984a819898d44043807fcd5967acab269401d0ee908e28ddc04ff0b12a63771cbd74c3719e7b427bb43f6c455216665904c6313158471c06fd94d1ca93b6744da4f8b44263c29eda8edbd9adef9d808227869908dd7fc0ade7f5533e4420bdc82", 0xe2}, {&(0x7f0000000480)}, {&(0x7f00000004c0)="64a5e7737065c964ffd57c3c9be5d11a0eaf659735c4fc20cb920db6e7a6f25173a988986620ab8421fb8b1d71b6324cfdd502fee672d5cd528b1d38e6817697303271ef4704bc2d6eafaa5fd3b313a4357a38223774b10e9e14ef63ede8817674de075551b37b6dc57fff1ed9d6fb0cf4c66881e5bbe8e33a4700b36e3450e650ea77970403cce22a6d415cdea278f9479e539532e99d023cab8bf7b48ccb8a6f7b3d4da550f6a70184d6a1fd321257ebea511ca9d32f77f2a772fa699e4f9db798bda4a6be8e33d5ec7b64cd2a6e217270fa1d0e095782ef3c7692a229d1164d1c8ab887e1775962823606765f56", 0xef}, {&(0x7f00000005c0)="fba1f49001f15bf1", 0x8}], 0x6, &(0x7f00000007c0)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0x0, r4}}}, @cred={{0x1c, 0x1, 0x2, {0x0, r5, r7}}}], 0x40, 0x891}, 0x8000) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r8, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r8, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) accept4(r8, &(0x7f0000000240)=@nfc_llcp, &(0x7f00000000c0)=0x80, 0x81000) 16:54:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2403.887512][ T1294] block nbd2: Receive control failed (result -32) [ 2403.897496][T31657] block nbd2: Receive control failed (result -32) [ 2403.906623][ T4769] block nbd2: shutting down sockets [ 2403.930694][ T4835] block nbd4: Device being setup by another task 16:54:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:59 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x9}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2404.621196][T31657] block nbd4: Receive control failed (result -32) [ 2404.631759][ T4823] block nbd4: shutting down sockets 16:54:59 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) accept4$rose(r4, &(0x7f00000000c0)=@full={0xb, @remote, @remote, 0x0, [@bcast, @bcast, @rose, @remote, @default, @default]}, &(0x7f0000000100)=0x40, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:54:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:54:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xa}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2404.855594][ T4885] block nbd0: shutting down sockets 16:55:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$smackfs_ipv6host(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) fcntl$lock(r2, 0x24, &(0x7f00000000c0)={0x1, 0x4, 0x3f, 0x3e8b}) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r0, 0x8983, &(0x7f0000000000)={0x0, 'veth0_vlan\x00', {0x3}, 0x9}) fcntl$lock(r1, 0x7, &(0x7f0000001b40)={0x0, 0x0, 0x400000000000000, 0x3}) fcntl$lock(r1, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1, 0x9b}) fcntl$lock(r1, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) 16:55:00 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xb}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2405.249742][ T4905] block nbd4: shutting down sockets [ 2405.325110][ T3219] ieee802154 phy0 wpan0: encryption failed: -22 [ 2405.331551][ T3219] ieee802154 phy1 wpan1: encryption failed: -22 16:55:00 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:00 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xc}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:00 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2405.686107][ T4937] block nbd0: shutting down sockets 16:55:00 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xd}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xe}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2406.112169][ T4952] block nbd4: shutting down sockets 16:55:01 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:01 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:55:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x11}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2406.690235][ T4998] block nbd0: shutting down sockets [ 2406.735101][ T4989] block nbd3: shutting down sockets 16:55:01 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x12}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2407.073051][ T5019] __nla_validate_parse: 16 callbacks suppressed [ 2407.073071][ T5019] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2407.231413][ T1294] block nbd4: Receive control failed (result -32) [ 2407.238673][T31657] block nbd4: Receive control failed (result -32) [ 2407.249920][ T4973] block nbd4: shutting down sockets 16:55:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x29}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:55:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2407.409078][ T5033] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x700}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2407.647021][ T5053] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2407.727770][ T5051] block nbd0: shutting down sockets [ 2407.814066][ T5064] block nbd3: shutting down sockets 16:55:02 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x7a0}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:02 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x7ad}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2407.950043][ T5072] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2407.990983][ T5074] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2408.056839][ T5078] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2408.114238][ T5074] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2408.140680][ T5074] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2408.185090][ T5085] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2408.211184][ T5078] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2408.310291][T31657] block nbd4: Receive control failed (result -32) [ 2408.313507][ T1294] block nbd4: Receive control failed (result -32) [ 2408.321052][ T5041] block nbd4: shutting down sockets 16:55:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x7be}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2408.502632][ T5099] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2408.644238][ T5110] block nbd0: Device being setup by another task [ 2408.654239][ T5098] block nbd3: shutting down sockets 16:55:03 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) 16:55:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x11000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x7f2}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2408.759578][ T5110] block nbd0: shutting down sockets 16:55:03 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:03 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2408.896728][ T5125] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0xd00}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2408.944998][ T5129] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2408.979348][ T5129] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x12000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2409.064032][ T5135] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:04 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2409.105468][ T5129] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2409.139095][ T5135] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:04 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2409.220188][ T5145] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:05 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x18000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2410.232352][T31657] block nbd3: Receive control failed (result -32) [ 2410.232352][ T1294] block nbd3: Receive control failed (result -32) [ 2410.245574][ T5157] block nbd3: shutting down sockets [ 2410.318088][ T5170] nbd: socks must be embedded in a SOCK_ITEM attr 16:55:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x3}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2410.430072][ T5174] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2410.474199][ T5178] nbd: socks must be embedded in a SOCK_ITEM attr 16:55:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2410.550700][ T5187] block nbd0: shutting down sockets 16:55:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x20000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x4}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2410.716175][ T5196] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2410.787354][ T5200] nbd: socks must be embedded in a SOCK_ITEM attr 16:55:05 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x5}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x21000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2411.013648][ T5215] nbd: socks must be embedded in a SOCK_ITEM attr [ 2411.033362][ T5217] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2411.054297][ T5217] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 16:55:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x25000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x6}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2411.140324][ T5224] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2411.180387][ T5217] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2411.342398][ T5236] nbd: socks must be embedded in a SOCK_ITEM attr [ 2411.411336][ T5236] nbd: socks must be embedded in a SOCK_ITEM attr [ 2411.525537][ T5252] block nbd0: shutting down sockets 16:55:06 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 16:55:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2411.752191][ T5265] nbd: socks must be embedded in a SOCK_ITEM attr [ 2411.770983][ T5267] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2411.801447][ T5267] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2411.818556][ T5265] nbd: socks must be embedded in a SOCK_ITEM attr 16:55:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2411.850953][ T5267] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2411.893336][ T5267] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:06 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) [ 2412.058778][ T5283] nbd: socks must be embedded in a SOCK_ITEM attr [ 2412.104674][ T5286] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.125539][ T5286] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.143603][ T5286] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.173344][ T5286] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x41000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x18}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2412.370048][ T5300] __nla_validate_parse: 5 callbacks suppressed [ 2412.370068][ T5300] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2412.460179][ T5303] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.473705][ T5304] nbd: socks must be embedded in a SOCK_ITEM attr [ 2412.496595][ T5309] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x48000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2412.518149][ T5314] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.548846][ T5303] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x25}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) [ 2412.695600][ T5323] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2412.745231][ T5325] nbd: socks must be embedded in a SOCK_ITEM attr [ 2412.811955][ T5330] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.868871][ T5333] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.878176][ T5325] nbd: socks must be embedded in a SOCK_ITEM attr 16:55:07 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4c000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x500}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) [ 2412.935496][ T5330] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2412.953009][ T5333] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2413.062356][ T5342] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2413.108957][ T5344] nbd: socks must be embedded in a SOCK_ITEM attr 16:55:08 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 16:55:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x4, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x60000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2413.291224][ T5360] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 2413.304694][ T5361] block nbd0: shutting down sockets 16:55:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x7, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:08 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2413.403601][ T5369] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2413.476306][ T5369] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2413.552198][ T5372] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 16:55:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x68000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2413.686822][ T5390] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2413.734392][ T5391] block nbd0: shutting down sockets 16:55:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x8, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2413.790788][ T5390] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6c000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2413.918535][ T5404] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 2413.982947][ T5410] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x9, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x74000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2414.139370][ T5419] block nbd0: shutting down sockets 16:55:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2414.231507][ T5423] netlink: 'syz-executor.5': attribute type 2 has an invalid length. 16:55:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2414.273287][ T5430] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x18, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x75c8eb99}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2414.488269][ T5441] netlink: 'syz-executor.5': attribute type 2 has an invalid length. [ 2414.516075][ T5441] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:09 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}}, 0x0) 16:55:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x24, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 16:55:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7a000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x99ebc875}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:09 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2414.820641][ T5470] nbd: must specify a size in bytes for the device 16:55:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}}, 0x0) 16:55:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x793, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9effffff}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2415.071471][ T5484] nbd: must specify a size in bytes for the device 16:55:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}}, 0x0) 16:55:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x7a0, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xefffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2415.307588][ T5501] nbd: must specify a size in bytes for the device 16:55:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:10 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0x7ad, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf0ffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2415.485153][ T5511] nbd: must specify a size in bytes for the device 16:55:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) [ 2415.561492][ T5517] nbd: must specify a size in bytes for the device 16:55:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:10 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 16:55:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffff7f}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 16:55:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) [ 2415.887969][ T5539] nbd: must specify a size in bytes for the device [ 2415.906887][ T5540] nbd: must specify a size in bytes for the device 16:55:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffff9e}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x4, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2416.038606][ T5551] nbd: must specify a size in bytes for the device [ 2416.065752][ T5555] nbd: must specify a size in bytes for the device [ 2416.183121][ T5545] block nbd0: Device being setup by another task [ 2416.251581][ T5559] block nbd0: shutting down sockets 16:55:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x7, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffef}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 16:55:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2416.464791][ T5582] nbd: must specify a size in bytes for the device [ 2416.490440][ T5583] nbd: must specify at least one socket 16:55:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffff0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2416.535991][ T5584] block nbd0: server does not support multiple connections per device. [ 2416.559978][ T5584] block nbd0: shutting down sockets 16:55:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2416.701715][ T5598] nbd: must specify at least one socket [ 2416.727422][ T5601] nbd: must specify a size in bytes for the device 16:55:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2416.870730][ T5610] nbd: must specify at least one socket [ 2416.920795][ T5612] block nbd0: server does not support multiple connections per device. [ 2416.944943][ T5605] block nbd0: shutting down sockets 16:55:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x9, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:11 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2417.089636][ T5623] nbd: must specify a size in bytes for the device 16:55:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}}, 0x0) 16:55:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0xa, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2417.185024][ T5625] block nbd0: server does not support multiple connections per device. [ 2417.211344][ T5625] block nbd0: shutting down sockets 16:55:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}}, 0x0) 16:55:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2417.288043][ T5637] nbd: must specify a size in bytes for the device [ 2417.376919][ T5641] __nla_validate_parse: 21 callbacks suppressed [ 2417.376945][ T5641] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 16:55:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:12 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 16:55:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x18, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x0, 0x4c00}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x2c}}, 0x0) 16:55:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40030000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2417.610220][ T5656] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2417.650726][ T5661] nbd: must specify a size in bytes for the device [ 2417.666662][ T5660] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2417.692111][ T5664] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2417.712325][ T5665] block nbd0: server does not support multiple connections per device. 16:55:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:12 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2417.739840][ T5665] block nbd0: shutting down sockets 16:55:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x64, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:12 executing program 0: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2417.843029][ T5672] nbd: must specify a size in bytes for the device [ 2417.864398][ T5675] nbd: must specify a size in bytes for the device 16:55:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2417.915815][ T5680] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2417.951950][ T5681] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2417.974708][ T5680] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2417.987603][ T5681] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2418.015734][ T5681] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2418.033353][ T5687] block nbd2: shutting down sockets [ 2418.188508][ T5694] nbd: must specify a size in bytes for the device 16:55:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:13 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2418.541030][ T5710] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2418.603714][ T5709] block nbd0: server does not support multiple connections per device. [ 2418.632653][ T5708] nbd: must specify a size in bytes for the device [ 2418.696041][ T5716] block nbd0: shutting down sockets 16:55:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x300000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x10}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2418.803934][ T5717] block nbd2: shutting down sockets 16:55:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:13 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:13 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) [ 2418.976598][ T5726] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2419.008456][ T5725] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2419.117092][ T5737] nbd: must specify at least one socket [ 2419.174134][ T5740] block nbd0: server does not support multiple connections per device. [ 2419.230626][ T5732] block nbd0: shutting down sockets 16:55:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x786}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:14 executing program 0: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2419.293993][ T5741] block nbd2: shutting down sockets 16:55:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2419.402317][ T5750] nbd: must specify at least one socket [ 2419.423075][ T5749] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7b5}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2419.527883][ T5751] block nbd0: server does not support multiple connections per device. [ 2419.547354][ T5751] block nbd0: shutting down sockets 16:55:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x500000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:14 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2419.634809][ T5764] block nbd2: shutting down sockets [ 2419.670493][ T5767] nbd: must specify at least one socket 16:55:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2419.953704][ T5780] block nbd0: server does not support multiple connections per device. [ 2419.967923][ T5780] block nbd0: shutting down sockets [ 2420.019499][ T5789] block nbd2: shutting down sockets 16:55:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7be}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x600000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:15 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 16:55:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x700000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x4}]}, 0x38}}, 0x0) [ 2420.410599][ T5805] block nbd0: server does not support multiple connections per device. [ 2420.431599][ T5805] block nbd0: shutting down sockets [ 2420.452452][ T5812] block nbd2: Device being setup by another task 16:55:15 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:15 executing program 0: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) 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) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 2420.474698][ T5816] netlink: 'syz-executor.5': attribute type 6 has an invalid length. [ 2420.563572][ T5812] block nbd2: shutting down sockets 16:55:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x800000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x7}]}, 0x38}}, 0x0) [ 2420.815417][ T5834] block nbd4: shutting down sockets [ 2420.866597][ T5841] block nbd0: server does not support multiple connections per device. [ 2420.900343][ T5828] block nbd0: shutting down sockets 16:55:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x900000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2420.924460][ T5846] netlink: 'syz-executor.5': attribute type 6 has an invalid length. [ 2420.953233][ T5836] block nbd2: server does not support multiple connections per device. [ 2420.980401][ T5835] block nbd2: shutting down sockets 16:55:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x8}]}, 0x38}}, 0x0) 16:55:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) 16:55:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2421.113511][ T5854] netlink: 'syz-executor.5': attribute type 6 has an invalid length. 16:55:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x9}]}, 0x38}}, 0x0) [ 2421.193370][ T5853] block nbd4: shutting down sockets 16:55:16 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2421.232485][ T5858] block nbd0: server does not support multiple connections per device. [ 2421.250769][ T5858] block nbd0: shutting down sockets 16:55:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2421.336191][ T5869] netlink: 'syz-executor.5': attribute type 6 has an invalid length. 16:55:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x18}]}, 0x38}}, 0x0) 16:55:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2421.394495][ T5877] netlink: 'syz-executor.5': attribute type 6 has an invalid length. 16:55:16 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2421.623384][ T5890] block nbd0: server does not support multiple connections per device. [ 2421.650599][ T5890] block nbd0: shutting down sockets [ 2421.978195][T31657] block nbd2: Receive control failed (result -32) [ 2421.978828][ T5861] block nbd2: shutting down sockets 16:55:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x24}]}, 0x38}}, 0x0) 16:55:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2422.141346][T24020] block nbd4: Receive control failed (result -32) [ 2422.150668][ T8409] block nbd4: Receive control failed (result -32) [ 2422.153001][ T5873] block nbd4: shutting down sockets 16:55:17 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(r1, 0x0, 0x16) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x4) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x793}]}, 0x38}}, 0x0) 16:55:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2422.475459][ T5932] __nla_validate_parse: 18 callbacks suppressed [ 2422.475479][ T5932] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2422.497210][ T5932] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:17 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2422.519759][ T5925] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2422.531888][ T5925] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2422.545358][ T5925] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x7a0}]}, 0x38}}, 0x0) [ 2422.642349][ T5941] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2422.694504][ T5938] block nbd4: shutting down sockets 16:55:17 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2422.717867][ T5931] nbd4: detected capacity change from 0 to 8 [ 2422.777431][ T5952] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2422.802661][ T5952] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2423.012402][T24020] block nbd2: Receive control failed (result -32) [ 2423.012874][ T5913] block nbd2: shutting down sockets 16:55:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(r1, 0x0, 0x16) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x4) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0x7ad}]}, 0x38}}, 0x0) 16:55:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 2423.251850][ T5970] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2423.277036][ T5970] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2423.360052][ T5973] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2423.375004][ T5977] block nbd4: shutting down sockets [ 2423.383447][ T5968] nbd4: detected capacity change from 0 to 8 [ 2423.393464][ T2007] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 16:55:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x5}]}, 0x38}}, 0x0) [ 2423.397207][ T5974] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2423.405480][ T2007] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.445872][ T5973] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2423.456426][ T3012] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.468060][ T3012] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.476228][ T3012] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.488064][ T3012] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.509596][ T2007] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.520850][ T2007] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.528958][ T2007] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.539903][ T2007] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.548194][ T2007] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 16:55:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1100000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2423.559094][ T2007] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.567255][ T2007] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.578147][ T2007] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.588773][ T3012] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.600147][ T3012] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.600963][ T5989] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2423.608612][ T5171] ldm_validate_partition_table(): Disk read failed. 16:55:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x9}]}, 0x38}}, 0x0) [ 2423.665182][ T3012] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.678556][ T3012] Buffer I/O error on dev nbd4, logical block 0, async page read [ 2423.688164][ T2007] blk_update_request: I/O error, dev nbd4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2423.700326][ T2007] Buffer I/O error on dev nbd4, logical block 0, async page read 16:55:18 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2423.734755][ T5171] Dev nbd4: unable to read RDB block 0 [ 2423.768823][ T5983] block nbd2: shutting down sockets 16:55:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x786}]}, 0x38}}, 0x0) 16:55:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2423.803573][ T5171] nbd4: unable to read partition table [ 2423.871359][ T5171] nbd4: partition table beyond EOD, truncated 16:55:18 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(r1, 0x0, 0x16) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x4) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1200000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x7b5}]}, 0x38}}, 0x0) [ 2423.943286][ T5171] ldm_validate_partition_table(): Disk read failed. [ 2423.977204][ T5171] Dev nbd4: unable to read RDB block 0 16:55:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2424.013986][ T5171] nbd4: unable to read partition table [ 2424.019684][ T5171] nbd4: partition table beyond EOD, truncated [ 2424.062725][ T6013] block nbd2: shutting down sockets 16:55:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x7be}]}, 0x38}}, 0x0) 16:55:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1800000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2424.280059][ T6027] block nbd4: shutting down sockets [ 2424.288574][ T6027] nbd4: detected capacity change from 0 to 8 16:55:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}}, 0x0) 16:55:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(r1, 0x0, 0x16) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x4) [ 2424.363541][ T6038] block nbd2: shutting down sockets 16:55:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) [ 2424.603593][ T6068] block nbd0: shutting down sockets 16:55:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) 16:55:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2100000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, 0x0}, 0x0) [ 2424.710043][ T6070] block nbd4: shutting down sockets [ 2424.723639][ T6072] block nbd2: shutting down sockets 16:55:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2424.757143][ T6057] nbd4: detected capacity change from 0 to 8 16:55:19 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(r1, 0x0, 0x16) 16:55:19 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2500000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x38}}, 0x0) 16:55:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2425.099058][ T6103] block nbd4: shutting down sockets 16:55:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) ioctl$NBD_DO_IT(r5, 0xab03) 16:55:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3f00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2425.385228][ T6128] block nbd4: shutting down sockets 16:55:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 16:55:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}]}, 0x38}}, 0x0) 16:55:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2425.705379][ T6149] block nbd4: shutting down sockets 16:55:20 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4100000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:20 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) 16:55:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}]}, 0x38}}, 0x0) 16:55:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 16:55:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4800000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7}]}, 0x38}}, 0x0) 16:55:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4c00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x8}]}, 0x38}}, 0x0) 16:55:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2426.813183][ T8409] block nbd4: Receive control failed (result -32) [ 2426.813842][ T6167] block nbd4: shutting down sockets 16:55:21 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) 16:55:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x9}]}, 0x38}}, 0x0) 16:55:21 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 16:55:22 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6800000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:22 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa}]}, 0x38}}, 0x0) 16:55:22 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2427.542403][ T6247] __nla_validate_parse: 25 callbacks suppressed [ 2427.542618][ T6247] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2427.615250][ T6251] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2428.002478][ T8409] block nbd4: Receive control failed (result -32) [ 2428.013764][ T6238] block nbd4: shutting down sockets 16:55:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6c00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) 16:55:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb}]}, 0x38}}, 0x0) 16:55:23 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2428.219103][ T6272] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:23 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:23 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xc}]}, 0x38}}, 0x0) 16:55:23 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:23 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2428.593920][ T6301] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2431.800522][T24554] device hsr_slave_0 left promiscuous mode [ 2431.812634][T24554] device hsr_slave_1 left promiscuous mode [ 2431.819535][T24554] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 2431.827750][T24554] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 2431.840388][T24554] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 2431.849116][T24554] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 2431.859837][T24554] device bridge_slave_1 left promiscuous mode [ 2431.866738][T24554] bridge0: port 2(bridge_slave_1) entered disabled state [ 2431.876498][T24554] device bridge_slave_0 left promiscuous mode [ 2431.883377][T24554] bridge0: port 1(bridge_slave_0) entered disabled state [ 2431.899148][T24554] device veth1_macvtap left promiscuous mode [ 2431.905439][T24554] device veth0_macvtap left promiscuous mode [ 2431.913205][T24554] device veth1_vlan left promiscuous mode [ 2431.919103][T24554] device veth0_vlan left promiscuous mode [ 2434.841419][ T8] Bluetooth: hci5: command 0x0409 tx timeout [ 2436.746265][T24554] team0 (unregistering): Port device team_slave_1 removed [ 2436.760160][T24554] team0 (unregistering): Port device team_slave_0 removed [ 2436.779316][T24554] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 2436.794937][T24554] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 2436.858186][T24554] bond0 (unregistering): Released all slaves [ 2436.921146][T30652] Bluetooth: hci5: command 0x041b tx timeout [ 2436.925284][ T6327] IPVS: ftp: loaded support on port[0] = 21 [ 2437.069197][ T6327] chnl_net:caif_netlink_parms(): no params data found [ 2437.139938][ T6327] bridge0: port 1(bridge_slave_0) entered blocking state [ 2437.148460][ T6327] bridge0: port 1(bridge_slave_0) entered disabled state [ 2437.157465][ T6327] device bridge_slave_0 entered promiscuous mode [ 2437.167288][ T6327] bridge0: port 2(bridge_slave_1) entered blocking state [ 2437.175001][ T6327] bridge0: port 2(bridge_slave_1) entered disabled state [ 2437.184580][ T6327] device bridge_slave_1 entered promiscuous mode [ 2437.209429][ T6327] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 2437.221884][ T6327] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 2437.251681][ T6327] team0: Port device team_slave_0 added [ 2437.260381][ T6327] team0: Port device team_slave_1 added [ 2437.288121][ T6327] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 2437.295369][ T6327] 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. [ 2437.323259][ T6327] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 2437.336848][ T6327] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 2437.344437][ T6327] 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. [ 2437.372008][ T6327] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 2437.428488][ T6327] device hsr_slave_0 entered promiscuous mode [ 2437.435691][ T6327] device hsr_slave_1 entered promiscuous mode [ 2437.443065][ T6327] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 2437.450680][ T6327] Cannot create hsr debugfs directory [ 2437.588976][ T6327] bridge0: port 2(bridge_slave_1) entered blocking state [ 2437.596130][ T6327] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2437.603579][ T6327] bridge0: port 1(bridge_slave_0) entered blocking state [ 2437.610674][ T6327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 2437.721929][ T6327] 8021q: adding VLAN 0 to HW filter on device bond0 [ 2437.749285][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 2437.758467][T24272] bridge0: port 1(bridge_slave_0) entered disabled state [ 2437.768419][T24272] bridge0: port 2(bridge_slave_1) entered disabled state [ 2437.787654][ T6327] 8021q: adding VLAN 0 to HW filter on device team0 [ 2437.801180][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 2437.809793][T24272] bridge0: port 1(bridge_slave_0) entered blocking state [ 2437.816972][T24272] bridge0: port 1(bridge_slave_0) entered forwarding state [ 2437.843083][T28999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 2437.853672][T28999] bridge0: port 2(bridge_slave_1) entered blocking state [ 2437.860851][T28999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 2437.905851][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 2437.922333][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 2437.941781][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 2437.957261][ T6327] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 2437.982914][ T6327] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 2437.993138][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 2438.003526][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 2438.030964][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 2438.039302][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 2438.054621][ T6327] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 2438.178631][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 2438.188256][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 2438.225206][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 2438.246440][T25420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 2438.269932][ T6327] device veth0_vlan entered promiscuous mode [ 2438.281842][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 2438.289752][T24272] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 2438.316767][ T6327] device veth1_vlan entered promiscuous mode [ 2438.364542][T25500] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 2438.382832][T25500] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 2438.402118][T25500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 2438.419967][T25500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 2438.433955][ T6327] device veth0_macvtap entered promiscuous mode [ 2438.468481][ T6327] device veth1_macvtap entered promiscuous mode [ 2438.490073][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2438.511958][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.531047][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2438.551028][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.563013][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2438.574288][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.585996][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 2438.596868][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.609830][ T6327] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 2438.618964][T30582] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 2438.628313][T30582] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 2438.637895][T30582] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 2438.648827][T30582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 2438.662451][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2438.675924][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.687753][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2438.699479][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.720047][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2438.741970][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.757644][ T6327] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 2438.769015][ T6327] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 2438.790160][ T6327] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 2438.803440][T30652] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 2438.821530][T30652] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 2438.958750][T10648] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2439.010523][T10648] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2439.011304][T30652] Bluetooth: hci5: command 0x040f tx timeout [ 2439.033849][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 2439.063020][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 2439.073131][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 2439.098020][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 16:55:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7400000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:34 executing program 2: ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xd}]}, 0x38}}, 0x0) 16:55:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) [ 2439.202925][ T6564] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2439.380094][ T6577] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:34 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x75c8eb9900000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xe}]}, 0x38}}, 0x0) 16:55:34 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:34 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2439.790808][ T6600] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:34 executing program 2: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:34 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7a00000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x10}]}, 0x38}}, 0x0) 16:55:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:35 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2440.510321][ T6629] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:35 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2440.564912][ T6631] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:35 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:35 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x11}]}, 0x38}}, 0x0) 16:55:35 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3ff) r0 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2440.834584][ T6649] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2440.886557][ T6650] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2441.090983][T30652] Bluetooth: hci5: command 0x0419 tx timeout 16:55:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9effffff00000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x12}]}, 0x38}}, 0x0) [ 2441.289746][ T6674] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2441.355887][ T6676] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xefffffff00000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x18}]}, 0x38}}, 0x0) 16:55:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) [ 2441.664397][ T6693] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:36 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:36 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:36 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x21}]}, 0x38}}, 0x0) 16:55:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf0ffffff00000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:37 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffff7f00000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25}]}, 0x38}}, 0x0) 16:55:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6000000000000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff00000000}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x41}]}, 0x38}}, 0x0) 16:55:37 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7}]}, 0x38}}, 0x0) 16:55:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0x4}]}, 0x38}}, 0x0) 16:55:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x48}]}, 0x38}}, 0x0) 16:55:37 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 16:55:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) 16:55:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0x7}]}, 0x38}}, 0x0) 16:55:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4c}]}, 0x38}}, 0x0) [ 2443.347429][ T6802] netlink: 'syz-executor.1': attribute type 6 has an invalid length. 16:55:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0x8}]}, 0x38}}, 0x0) 16:55:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:55:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x60}]}, 0x38}}, 0x0) 16:55:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2443.591354][ T6819] netlink: 'syz-executor.1': attribute type 6 has an invalid length. 16:55:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 16:55:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0x18}]}, 0x38}}, 0x0) 16:55:38 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:55:38 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:38 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x68}]}, 0x38}}, 0x0) 16:55:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r1 = dup(r0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) 16:55:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6c}]}, 0x38}}, 0x0) 16:55:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0x24}]}, 0x38}}, 0x0) [ 2444.470990][ T6861] __nla_validate_parse: 17 callbacks suppressed [ 2444.471011][ T6861] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r1 = dup(r0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 2444.555634][ T6862] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2444.582531][ T6862] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2444.773848][ T6874] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 16:55:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 16:55:39 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:39 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x74}]}, 0x38}}, 0x0) 16:55:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x5}]}, 0x38}}, 0x0) 16:55:39 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r1 = dup(r0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 2445.026961][ T6884] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) [ 2445.079575][ T6888] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2445.169429][ T6888] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x9}]}, 0x38}}, 0x0) 16:55:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7a}]}, 0x38}}, 0x0) 16:55:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2445.369909][ T6904] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2445.474378][ T6910] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2445.590758][ T6915] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 16:55:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}}, 0x0) 16:55:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x108}]}, 0x38}}, 0x0) 16:55:40 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:40 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:40 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x300}]}, 0x38}}, 0x0) 16:55:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}}, 0x0) 16:55:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x500}]}, 0x38}}, 0x0) 16:55:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4}]}, 0x38}}, 0x0) 16:55:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x600}]}, 0x38}}, 0x0) [ 2446.371202][ T6964] nbd: must specify a size in bytes for the device 16:55:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}]}, 0x38}}, 0x0) 16:55:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {0x1, 0x68}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x700}]}, 0x38}}, 0x0) 16:55:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:41 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x801}]}, 0x38}}, 0x0) 16:55:41 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) 16:55:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}]}, 0x38}}, 0x0) [ 2446.837295][ T7000] nbd: must specify a size in bytes for the device 16:55:41 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r3, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 16:55:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x900}]}, 0x38}}, 0x0) 16:55:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7}]}, 0x38}}, 0x0) 16:55:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}]}, 0x38}}, 0x0) [ 2447.429197][ T7042] nbd: must specify a size in bytes for the device 16:55:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa00}]}, 0x38}}, 0x0) 16:55:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x8}]}, 0x38}}, 0x0) 16:55:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x801}]}, 0x38}}, 0x0) 16:55:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:42 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb00}]}, 0x38}}, 0x0) 16:55:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x801}]}, 0x38}}, 0x0) 16:55:42 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 2448.076041][ T7091] nbd: must specify at least one socket 16:55:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x9}]}, 0x38}}, 0x0) 16:55:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}]}, 0x38}}, 0x0) 16:55:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x8, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xc00}]}, 0x38}}, 0x0) 16:55:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x74000000, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xd00}]}, 0x38}}, 0x0) 16:55:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x1000000, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xa}]}, 0x38}}, 0x0) 16:55:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = dup(r0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}}, 0x0) 16:55:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x18, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:43 executing program 2 (fault-call:6 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = dup(r0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xe00}]}, 0x38}}, 0x0) 16:55:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xb}]}, 0x38}}, 0x0) 16:55:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1100}]}, 0x38}}, 0x0) 16:55:43 executing program 0 (fault-call:8 fault-nth:0): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2448.871350][ T7149] FAULT_INJECTION: forcing a failure. [ 2448.871350][ T7149] name fail_usercopy, interval 1, probability 0, space 0, times 0 16:55:43 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = dup(r0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffffff, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 2448.940243][ T7149] CPU: 1 PID: 7149 Comm: syz-executor.2 Not tainted 5.12.0-syzkaller #0 [ 2448.948636][ T7149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2448.958724][ T7149] Call Trace: [ 2448.962031][ T7149] dump_stack+0x202/0x31e [ 2448.966403][ T7149] ? show_regs_print_info+0x12/0x12 [ 2448.971752][ T7149] ? log_buf_vmcoreinfo_setup+0x45d/0x45d [ 2448.977523][ T7149] ? __might_fault+0xb8/0x110 [ 2448.979700][ T7157] FAULT_INJECTION: forcing a failure. [ 2448.979700][ T7157] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 2448.982229][ T7149] ? snprintf+0xc0/0x110 [ 2448.982263][ T7149] should_fail+0x384/0x4b0 [ 2448.982297][ T7149] _copy_to_user+0x2d/0x130 [ 2448.982326][ T7149] simple_read_from_buffer+0xd9/0x160 [ 2448.982353][ T7149] proc_fail_nth_read+0x195/0x210 [ 2449.024350][ T7149] ? proc_fault_inject_write+0x370/0x370 [ 2449.030019][ T7149] ? rw_verify_area+0x1b8/0x370 [ 2449.034917][ T7149] ? fsnotify_perm+0x2fd/0x4d0 [ 2449.039719][ T7149] ? proc_fault_inject_write+0x370/0x370 [ 2449.045389][ T7149] vfs_read+0x294/0xc20 [ 2449.049560][ T7149] ? rcu_lock_release+0x9/0x20 [ 2449.054338][ T7149] ? mutex_lock_io_nested+0x60/0x60 [ 2449.060342][ T7149] ? kernel_read+0x70/0x70 [ 2449.064802][ T7149] ? __fget_files+0x34f/0x380 [ 2449.069506][ T7149] ? mutex_lock_nested+0x1a/0x20 [ 2449.074535][ T7149] ? __fdget_pos+0x24e/0x2f0 [ 2449.079233][ T7149] ? ksys_read+0x72/0x2a0 [ 2449.083579][ T7149] ksys_read+0x171/0x2a0 [ 2449.087836][ T7149] ? vfs_write+0xc90/0xc90 [ 2449.092277][ T7149] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2449.098324][ T7149] ? lockdep_hardirqs_on+0x8d/0x130 [ 2449.103542][ T7149] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2449.109629][ T7149] do_syscall_64+0x3f/0xb0 [ 2449.114062][ T7149] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2449.119990][ T7149] RIP: 0033:0x41937c [ 2449.123893][ T7149] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 [ 2449.143515][ T7149] RSP: 002b:00007efc67600170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 2449.151960][ T7149] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000041937c [ 2449.160047][ T7149] RDX: 000000000000000f RSI: 00007efc676001e0 RDI: 0000000000000005 [ 2449.168156][ T7149] RBP: 00007efc676001d0 R08: 0000000000000000 R09: 0000000000000000 [ 2449.176235][ T7149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2449.184224][ T7149] R13: 00007ffc163040ff R14: 00007efc67600300 R15: 0000000000022000 [ 2449.192330][ T7157] CPU: 0 PID: 7157 Comm: syz-executor.0 Not tainted 5.12.0-syzkaller #0 [ 2449.200693][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2449.210761][ T7157] Call Trace: [ 2449.214054][ T7157] dump_stack+0x202/0x31e [ 2449.218414][ T7157] ? show_regs_print_info+0x12/0x12 [ 2449.223916][ T7157] ? log_buf_vmcoreinfo_setup+0x45d/0x45d [ 2449.229660][ T7157] ? __might_fault+0xb8/0x110 [ 2449.234464][ T7157] ? snprintf+0xc0/0x110 [ 2449.238740][ T7157] should_fail+0x384/0x4b0 [ 2449.243190][ T7157] _copy_to_user+0x2d/0x130 [ 2449.247723][ T7157] simple_read_from_buffer+0xd9/0x160 [ 2449.253118][ T7157] proc_fail_nth_read+0x195/0x210 [ 2449.258196][ T7157] ? proc_fault_inject_write+0x370/0x370 [ 2449.263854][ T7157] ? rw_verify_area+0x1b8/0x370 [ 2449.268721][ T7157] ? fsnotify_perm+0x2fd/0x4d0 [ 2449.273504][ T7157] ? proc_fault_inject_write+0x370/0x370 [ 2449.279166][ T7157] vfs_read+0x294/0xc20 [ 2449.283452][ T7157] ? rcu_lock_release+0x9/0x20 [ 2449.288236][ T7157] ? mutex_lock_io_nested+0x60/0x60 [ 2449.293463][ T7157] ? kernel_read+0x70/0x70 [ 2449.297938][ T7157] ? __fget_files+0x34f/0x380 [ 2449.303157][ T7157] ? mutex_lock_nested+0x1a/0x20 [ 2449.308290][ T7157] ? __fdget_pos+0x24e/0x2f0 [ 2449.312905][ T7157] ? ksys_read+0x72/0x2a0 [ 2449.317280][ T7157] ksys_read+0x171/0x2a0 [ 2449.321735][ T7157] ? vfs_write+0xc90/0xc90 [ 2449.326176][ T7157] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2449.332179][ T7157] ? lockdep_hardirqs_on+0x8d/0x130 [ 2449.337430][ T7157] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2449.343439][ T7157] do_syscall_64+0x3f/0xb0 [ 2449.347966][ T7157] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2449.353880][ T7157] RIP: 0033:0x41937c [ 2449.357795][ T7157] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 [ 2449.377422][ T7157] RSP: 002b:00007ffaea84d170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 2449.386134][ T7157] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000041937c [ 2449.394129][ T7157] RDX: 000000000000000f RSI: 00007ffaea84d1e0 RDI: 0000000000000007 [ 2449.402299][ T7157] RBP: 00007ffaea84d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 2449.410454][ T7157] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2449.418800][ T7157] R13: 00007ffe1577f68f R14: 00007ffaea84d300 R15: 0000000000022000 16:55:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xc}]}, 0x38}}, 0x0) 16:55:44 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r1 = dup(0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 2449.504810][ T7167] __nla_validate_parse: 30 callbacks suppressed [ 2449.504831][ T7167] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2449.640286][ T7176] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2449.729310][ T7176] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:44 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r1 = dup(0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1200}]}, 0x38}}, 0x0) 16:55:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:44 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:44 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) ioctl$NBD_CLEAR_SOCK(0xffffffffffffffff, 0xab04) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xd}]}, 0x38}}, 0x0) [ 2449.849012][ T7185] nbd: must specify at least one socket 16:55:45 executing program 4: r0 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r1 = dup(0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(0xffffffffffffffff, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 2449.997001][ T7192] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x40000000003ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1800}]}, 0x38}}, 0x0) [ 2450.188043][ T7211] block nbd0: shutting down sockets 16:55:45 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xe}]}, 0x38}}, 0x0) 16:55:45 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r3, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0), 0x402080, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r4, 0x40082406, &(0x7f0000000100)='^\\\x00') r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x40000) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x2) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:45 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2450.641255][ T7230] block nbd0: shutting down sockets [ 2450.681413][ T7226] block nbd0: shutting down sockets 16:55:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:45 executing program 4: r0 = syz_open_dev$ndb(0x0, 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2000}]}, 0x38}}, 0x0) 16:55:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x10}]}, 0x38}}, 0x0) 16:55:45 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x10) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2450.829140][ T7251] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2450.878263][ T7250] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2450.881579][ T7248] block nbd0: shutting down sockets 16:55:45 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2100}]}, 0x38}}, 0x0) 16:55:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x11}]}, 0x38}}, 0x0) [ 2451.030376][ T7261] block nbd0: Device being setup by another task [ 2451.040271][ T7261] block nbd0: shutting down sockets [ 2451.092347][ T7265] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2451.143574][ T7268] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, 0x0, 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x301) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2500}]}, 0x38}}, 0x0) 16:55:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x12}]}, 0x38}}, 0x0) 16:55:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x38982) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) r4 = creat(&(0x7f00000000c0)='./file0\x00', 0x40) ioctl$NBD_DO_IT(r4, 0xab03) 16:55:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x125d) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:46 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x125e) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 2451.546935][ T7294] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) sendmmsg$inet6(r5, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r5) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:46 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2451.615069][ T7296] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 16:55:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x18}]}, 0x38}}, 0x0) 16:55:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3f00}]}, 0x38}}, 0x0) 16:55:46 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SIZE(r4, 0xab02, 0x95) ioctl$NBD_DO_IT(r3, 0xab03) r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x10}]}, 0x38}}, 0x0) 16:55:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x125f) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x21}]}, 0x38}}, 0x0) 16:55:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4000}]}, 0x38}}, 0x0) 16:55:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1260) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4100}]}, 0x38}}, 0x0) 16:55:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x500) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000), 0x0, 0x9) ioctl$NBD_SET_SOCK(r4, 0xab00, r2) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x8000) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x25}]}, 0x38}}, 0x0) 16:55:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1261) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0) 16:55:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0x416200) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x26, &(0x7f0000001b40)={0x1, 0x3, 0x1}) fcntl$lock(r3, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r3, 0x5, &(0x7f0000000180)={0x2, 0x0, 0x0, 0x5}) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r4, 0x25, &(0x7f0000001b40)={0x0, 0x4}) fcntl$lock(r4, 0x7, &(0x7f0000000040)={0x2, 0x4, 0x1}) fcntl$lock(r4, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f0000000200)={0x6, &(0x7f0000000000)=[{0x7, 0x7f, 0x3, 0x95c6}, {0x1f, 0x0, 0xf6, 0xffffffff}, {0x1, 0x7f, 0x5, 0xfffffff9}, {0x6, 0xff, 0x0, 0x8}, {0x5, 0x1f, 0x80, 0x5}, {0x801d, 0xfb, 0x2, 0x7}]}) ioctl$BTRFS_IOC_QUOTA_RESCAN_STATUS(0xffffffffffffffff, 0x8040942d, &(0x7f00000001c0)) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(0xffffffffffffffff) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4800}]}, 0x38}}, 0x0) 16:55:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x41}]}, 0x38}}, 0x0) 16:55:47 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:47 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:47 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) ioctl$NBD_DISCONNECT(r4, 0xab08) 16:55:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4c00}]}, 0x38}}, 0x0) 16:55:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x48}]}, 0x38}}, 0x0) 16:55:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1263) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:48 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1262) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:48 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1264) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:48 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) dup(r0) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x3) r2 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 16:55:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x4c}]}, 0x38}}, 0x0) 16:55:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6000}]}, 0x38}}, 0x0) 16:55:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x60}]}, 0x38}}, 0x0) 16:55:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6800}]}, 0x38}}, 0x0) [ 2453.521269][ T7437] block nbd0: shutting down sockets [ 2453.620781][ T7437] block nbd0: shutting down sockets 16:55:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x68}]}, 0x38}}, 0x0) 16:55:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6c00}]}, 0x38}}, 0x0) 16:55:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1265) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0xd}]}, 0x38}}, 0x0) 16:55:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000100), 0xc4, 0x18c00) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-aesni)\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) sendmmsg$inet6(r3, &(0x7f0000003b80)=[{{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f00000000c0)="e6", 0x500}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000440)='&', 0x1}], 0x1}}], 0x4000070, 0x8000) recvmsg(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000240)=""/93, 0x5d}, {&(0x7f00000002c0)=""/202, 0xca}], 0x2}, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r4 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0) ioctl$NBD_DISCONNECT(r7, 0xab08) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2454.476125][ T7477] block nbd2: shutting down sockets [ 2454.483855][ T7471] block nbd0: shutting down sockets [ 2454.550025][ T7471] block nbd0: Device being setup by another task [ 2454.577944][ T7465] __nla_validate_parse: 15 callbacks suppressed [ 2454.577965][ T7465] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2454.669633][ T7471] block nbd0: Device being setup by another task 16:55:49 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x1058c0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) 16:55:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7400}]}, 0x38}}, 0x0) 16:55:49 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1267) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6c}]}, 0x38}}, 0x0) [ 2454.906598][ T7497] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 16:55:49 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2454.952654][ T7499] block nbd2: shutting down sockets [ 2455.000832][ T7495] block nbd2: shutting down sockets [ 2455.014159][ T7500] block nbd0: shutting down sockets 16:55:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x74}]}, 0x38}}, 0x0) [ 2455.054979][ T7501] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 16:55:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7a00}]}, 0x38}}, 0x0) 16:55:50 executing program 2: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = openat$smackfs_logging(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) syncfs(r0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x40340) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = open(&(0x7f0000000100)='./file0\x00', 0x1, 0x10) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000000)=[{&(0x7f0000000500), 0x14}], 0x0, 0xd) r5 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000140), 0x802, 0x0) ioctl$BLKPG(r5, 0x1269, &(0x7f0000000280)={0x2, 0x5f4, 0xcf, &(0x7f0000000180)="d6371dc0131484824f85945b89ecdcebf77e234d2a494cc1f790cfd24ab470ba056ceb76e97a977ebb88722ab14fc63a515794ec69b25a42885b1ff0fb7fb749000ec573756f17b8b6359b4354244652ed9e439e84019114bacce88db2e1f4fbc072163ac0b81404583676b4dced71365eacdf257d15e6ed0dd64936592b837588cf3da386f0d32f355926f0e23dabe95b0dc0f3fa11431cdde6d495ac49ec04ec2c25d859d2cd70ff2b0a736cd00ed0ab27cb6f7dc8ca1e8c1657d1731269df3cef74e57c8351987d3f3bacfb29f7"}) ioctl$TIOCCONS(r4, 0x541d) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r6 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0), 0x400, 0x0) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000300), 0x2, 0x0) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2455.139892][ T7507] block nbd0: Device being setup by another task [ 2455.151063][ T7507] block nbd0: shutting down sockets 16:55:50 executing program 3 (fault-call:3 fault-nth:0): r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}}, 0x0) 16:55:50 executing program 0: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) pipe(&(0x7f00000006c0)) ioctl$NBD_DO_IT(r3, 0x1268) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 16:55:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 16:55:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) r5 = dup3(r0, r3, 0x0) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) 16:55:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x7a}]}, 0x38}}, 0x0) 16:55:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x20000}]}, 0x38}}, 0x0) 16:55:50 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(0x0, 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) ioctl$NBD_DO_IT(r5, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r6, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r6, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r6, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2455.775571][ T7538] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2455.811071][ T7541] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2455.833167][ T7540] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2455.846900][ T7541] block nbd0: Cannot use ioctl interface on a netlink controlled device. 16:55:50 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DISCONNECT(r0, 0xab08) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2455.873531][ T7538] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2455.913325][ T7548] block nbd0: Cannot use ioctl interface on a netlink controlled device. [ 2455.944257][ T7536] block nbd0: NBD_DISCONNECT [ 2455.970258][ T7536] general protection fault, probably for non-canonical address 0xdffffc0000000027: 0000 [#1] PREEMPT SMP KASAN [ 2455.982123][ T7536] KASAN: null-ptr-deref in range [0x0000000000000138-0x000000000000013f] [ 2455.990719][ T7536] CPU: 0 PID: 7536 Comm: syz-executor.0 Not tainted 5.12.0-syzkaller #0 [ 2455.999054][ T7536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2456.009134][ T7536] RIP: 0010:__lock_acquire+0xf2/0x6040 [ 2456.014622][ T7536] Code: 89 bc 24 80 00 00 00 0f 85 fb 26 00 00 83 3d 58 93 b5 0c 00 0f 84 2f 12 00 00 83 3d 87 7e 5d 0b 00 74 39 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 1f 48 8b bc 24 80 00 00 00 e8 aa 9b 64 00 48 8b [ 2456.034647][ T7536] RSP: 0018:ffffc90014bf7500 EFLAGS: 00010006 [ 2456.040737][ T7536] RAX: 0000000000000027 RBX: 0000000000000000 RCX: 1ffff9200297eec0 [ 2456.049015][ T7536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000138 [ 2456.057001][ T7536] RBP: ffffc90014bf7890 R08: dffffc0000000000 R09: 0000000000000000 16:55:51 executing program 4: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0), 0x80140, 0x0) r2 = dup(r0) ioctl$NBD_SET_FLAGS(r2, 0xab0a, 0x3) r3 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, 0x0) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x123800) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f00000001c0)={0x0, 0x7}, &(0x7f0000000200)=0x8) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) ioctl$NBD_DO_IT(r4, 0xab03) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x7, &(0x7f0000000240)={0x1}) fcntl$lock(r5, 0x7, &(0x7f0000000040)={0x1, 0x0, 0x1}) fcntl$lock(r5, 0x26, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1}) fsetxattr$trusted_overlay_redirect(r5, &(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x8, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) [ 2456.064993][ T7536] R10: fffffbfff1c2ba3e R11: 0000000000000000 R12: 0000000000000000 [ 2456.072981][ T7536] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 2456.081000][ T7536] FS: 0000000001abd400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 2456.089966][ T7536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2456.096583][ T7536] CR2: 00000000004d120c CR3: 000000002b86d000 CR4: 00000000001506f0 [ 2456.104600][ T7536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2456.112590][ T7536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 16:55:51 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x167142) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x3ff) r1 = syz_open_dev$ndb(&(0x7f0000000700), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) syz_open_dev$mouse(&(0x7f00000000c0), 0x8, 0x400) syz_open_procfs(0x0, &(0x7f0000000100)='sched\x00') pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r4, &(0x7f0000000380)=[{&(0x7f0000000500)}, {&(0x7f00000001c0)="fbdb43a45d58e83781f7b15d4740579916771f5bbb3837d6c5", 0x19}, {&(0x7f0000000240)="eadffc905a1694633b47401cf22e121206860c9eb4b256a2a3cf82cbf0cb7a0ea5bd6c44669b511a6f9bfcbe1a8d6ff0cf801a0731389684355e1e28006e6bd52c6c6e5d4c6079037161ba65d367683ec9447e28d5198f5389e9201ed75739c6477f3fa7d0ab44b9901092be7e3649bf9247149a61e94e588e716ef6e42d3b0d32f6158b98e6acec981dd9253f07ad21be9f3c0f2e6e3b51c1a28a48bec1d93e863dfeb0bf63fbb3b8bbc71d7047042f18788ba3acbb4568db5f9e2ac94e252e008de782feddcbc2246250c40d51c42530b36e9d0b37058d", 0xd8}, {&(0x7f0000000340)}], 0x4, 0x4) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000200)="69c90a7feca726e64ad344362fff2e", 0xf}], 0x1, 0x0) pipe(&(0x7f00000006c0)={0xffffffffffffffff}) vmsplice(r6, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) openat$full(0xffffffffffffff9c, &(0x7f0000000140), 0x8000, 0x0) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000180), 0x400, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) bind$alg(0xffffffffffffffff, 0x0, 0x0) [ 2456.120585][ T7536] Call Trace: [ 2456.123873][ T7536] ? __bfs+0x700/0x700 [ 2456.127950][ T7536] ? print_irqtrace_events+0x220/0x220 [ 2456.133512][ T7536] ? trace_lock_acquire+0x180/0x180 [ 2456.138846][ T7536] ? trace_lock_acquire+0x180/0x180 [ 2456.144094][ T7536] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 2456.150205][ T7536] ? rcu_read_lock_sched_held+0x87/0x110 [ 2456.155883][ T7536] ? __bpf_trace_rcu_utilization+0x10/0x10 [ 2456.161738][ T7536] lock_acquire+0x17f/0x720 [ 2456.166266][ T7536] ? flush_workqueue+0x15c/0x1750 [ 2456.171417][ T7536] ? memset+0x1f/0x40 [ 2456.175494][ T7536] ? read_lock_is_recursive+0x10/0x10 [ 2456.180871][ T7536] ? lockdep_init_map_type+0x9f/0x9a0 [ 2456.186253][ T7536] ? lockdep_softirqs_off+0x410/0x410 [ 2456.191729][ T7536] flush_workqueue+0x178/0x1750 [ 2456.196592][ T7536] ? flush_workqueue+0x15c/0x1750 [ 2456.201647][ T7536] ? __lock_acquire+0x6040/0x6040 [ 2456.206693][ T7536] ? rcu_work_rcufn+0x120/0x120 [ 2456.211554][ T7536] ? mutex_unlock+0x10/0x10 [ 2456.216096][ T7536] nbd_disconnect_and_put+0x126/0x1f0 [ 2456.221494][ T7536] nbd_release+0xf1/0x120 [ 2456.225924][ T7536] ? nbd_open+0xb10/0xb10 [ 2456.230263][ T7536] __blkdev_put+0x55c/0x6d0 [ 2456.234777][ T7536] ? mutex_lock_io_nested+0x60/0x60 [ 2456.240013][ T7536] ? blkdev_put+0x440/0x440 [ 2456.244529][ T7536] ? mutex_unlock+0x10/0x10 [ 2456.249094][ T7536] ? __fsnotify_parent+0x483/0x670 [ 2456.251178][ T7563] FAULT_INJECTION: forcing a failure. [ 2456.251178][ T7563] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 2456.254219][ T7536] blkdev_put+0x2cd/0x440 [ 2456.254245][ T7536] blkdev_close+0x7a/0xa0 [ 2456.254260][ T7536] ? blkdev_open+0x2c0/0x2c0 [ 2456.268468][ T7563] CPU: 1 PID: 7563 Comm: syz-executor.3 Not tainted 5.12.0-syzkaller #0 [ 2456.271603][ T7536] __fput+0x352/0x7b0 [ 2456.275912][ T7563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2456.280528][ T7536] task_work_run+0x146/0x1c0 [ 2456.288855][ T7563] Call Trace: [ 2456.288872][ T7563] dump_stack+0x202/0x31e [ 2456.292874][ T7536] exit_to_user_mode_prepare+0x10b/0x200 [ 2456.303027][ T7563] ? show_regs_print_info+0x12/0x12 [ 2456.308036][ T7536] ? trace_irq_disable_rcuidle+0x11/0x170 [ 2456.311309][ T7563] ? log_buf_vmcoreinfo_setup+0x45d/0x45d [ 2456.315638][ T7536] syscall_exit_to_user_mode+0x26/0x70 [ 2456.321246][ T7563] ? rcu_lock_acquire+0x9/0x30 [ 2456.326426][ T7536] do_syscall_64+0x4b/0xb0 [ 2456.332136][ T7563] ? rcu_lock_release+0x9/0x20 [ 2456.337847][ T7536] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2456.343279][ T7563] ? trace_lock_release+0x4f/0x140 [ 2456.348034][ T7536] RIP: 0033:0x41940b [ 2456.352514][ T7563] ? lock_release+0x81/0x7b0 [ 2456.357257][ T7536] Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 [ 2456.363129][ T7563] should_fail+0x384/0x4b0 [ 2456.368322][ T7536] RSP: 002b:00007ffe1577f6f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 2456.368347][ T7536] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 000000000041940b [ 2456.372246][ T7563] _copy_from_user+0x2d/0x170 [ 2456.376822][ T7536] RDX: 00000000005704d0 RSI: 0000000008ebcd2f RDI: 0000000000000007 [ 2456.397022][ T7563] __copy_msghdr_from_user+0x9b/0x740 [ 2456.401419][ T7536] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b309217f4 [ 2456.409810][ T7563] ? trace_lock_release+0x4f/0x140 [ 2456.417765][ T7536] R10: 00007ffe1577f7e0 R11: 0000000000000293 R12: 0000000000257c19 [ 2456.422701][ T7563] ? __ia32_sys_shutdown+0x60/0x60 [ 2456.431110][ T7536] R13: 00000000000003e8 R14: 000000000056bf60 R15: 0000000000257b72 [ 2456.436578][ T7563] ? __fget_files+0x34f/0x380 [ 2456.444735][ T7536] Modules linked in: [ 2456.449828][ T7563] ? __fdget+0x183/0x210 [ 2456.457782][ T7536] [ 2456.457808][ T7536] ---[ end trace 4ebc302140c27e71 ]--- [ 2456.462879][ T7563] __sys_sendmsg+0x218/0x400 [ 2456.470943][ T7536] RIP: 0010:__lock_acquire+0xf2/0x6040 [ 2456.475605][ T7563] ? ____sys_sendmsg+0x900/0x900 [ 2456.479485][ T7536] Code: 89 bc 24 80 00 00 00 0f 85 fb 26 00 00 83 3d 58 93 b5 0c 00 0f 84 2f 12 00 00 83 3d 87 7e 5d 0b 00 74 39 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 1f 48 8b bc 24 80 00 00 00 e8 aa 9b 64 00 48 8b [ 2456.483710][ T7563] ? trace_lock_acquire+0x59/0x180 [ 2456.486014][ T7536] RSP: 0018:ffffc90014bf7500 EFLAGS: 00010006 [ 2456.491454][ T7563] ? __context_tracking_exit+0x7a/0xd0 [ 2456.496031][ T7536] [ 2456.496039][ T7536] RAX: 0000000000000027 RBX: 0000000000000000 RCX: 1ffff9200297eec0 [ 2456.501556][ T7563] ? trace_lock_release+0x4f/0x140 [ 2456.506557][ T7536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000138 [ 2456.526247][ T7563] ? lock_release+0x81/0x7b0 [ 2456.531367][ T7536] RBP: ffffc90014bf7890 R08: dffffc0000000000 R09: 0000000000000000 [ 2456.537415][ T7563] ? read_lock_is_recursive+0x10/0x10 [ 2456.542857][ T7536] R10: fffffbfff1c2ba3e R11: 0000000000000000 R12: 0000000000000000 [ 2456.545173][ T7563] ? trace_lock_release+0x4f/0x140 [ 2456.553210][ T7536] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 2456.558320][ T7563] ? __lock_acquire+0x6040/0x6040 [ 2456.566268][ T7536] FS: 0000000001abd400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 2456.570844][ T7563] ? __fget_files+0x34f/0x380 [ 2456.578800][ T7536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2456.584153][ T7563] ? __lock_acquire+0x6040/0x6040 [ 2456.592119][ T7536] CR2: 00000000004d120c CR3: 000000002b86d000 CR4: 00000000001506f0 [ 2456.597216][ T7563] ? account_other_time+0x63/0x280 [ 2456.605186][ T7536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2456.610194][ T7563] ? print_irqtrace_events+0x220/0x220 [ 2456.619107][ T7536] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2456.623778][ T7563] ? vtime_user_exit+0x2b2/0x3e0 [ 2456.630369][ T7536] Kernel panic - not syncing: Fatal exception [ 2456.635385][ T7563] ? __context_tracking_exit+0x7a/0xd0 [ 2456.686983][ T7563] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2456.692989][ T7563] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 2456.698983][ T7563] do_syscall_64+0x3f/0xb0 [ 2456.703409][ T7563] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2456.709441][ T7563] RIP: 0033:0x4665f9 [ 2456.713517][ T7563] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 2456.733330][ T7563] RSP: 002b:00007f8087b66188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2456.742225][ T7563] RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 [ 2456.750220][ T7563] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 2456.758228][ T7563] RBP: 00007f8087b661d0 R08: 0000000000000000 R09: 0000000000000000 [ 2456.766214][ T7563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2456.774285][ T7563] R13: 00007ffefcceb96f R14: 00007f8087b66300 R15: 0000000000022000 [ 2456.782320][ T7536] Kernel Offset: disabled [ 2456.786656][ T7536] Rebooting in 86400 seconds..