[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) (rerun: 64) [ 2173.502426] block nbd5: not configured, cannot reconfigure 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r3, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x48}, 0x1, 0x0, 0x0, 0x8000}, 0x51) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 21:53:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x400401, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2173.597000] block nbd5: not configured, cannot reconfigure 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x5c}, 0x1, 0x0, 0x0, 0x10}, 0x800) 21:53:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) ioctl$SIOCGETSGCNT_IN6(0xffffffffffffffff, 0x89e1, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @loopback}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000f3f391efab13568f79e7ff1c7daf588699fdc244593afa31794454195dc11851564025be1dd3a6ab"], 0x1c}}, 0x0) 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x0) 21:53:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x5c}, 0x1, 0x0, 0x0, 0x10}, 0x800) [ 2173.709226] block nbd5: not configured, cannot reconfigure [ 2173.733256] nbd: couldn't find device at index 0 21:53:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) ioctl$SIOCGETSGCNT_IN6(0xffffffffffffffff, 0x89e1, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @loopback}) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000f3f391efab13568f79e7ff1c7daf588699fdc244593afa31794454195dc11851564025be1dd3a6ab"], 0x1c}}, 0x0) 21:53:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async, rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async, rerun: 64) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x5c}, 0x1, 0x0, 0x0, 0x10}, 0x800) 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x0) [ 2173.785221] nbd: couldn't find a device at index 0 [ 2173.796079] nbd: couldn't find device at index 0 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x0) [ 2173.886917] nbd: couldn't find device at index 0 [ 2173.892336] nbd: couldn't find device at index 0 [ 2173.908285] nbd: couldn't find device at index 0 [ 2173.916685] nbd: couldn't find device at index 0 [ 2173.929008] nbd: couldn't find a device at index 0 21:53:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) ioctl$SIOCGETSGCNT_IN6(0xffffffffffffffff, 0x89e1, &(0x7f00000000c0)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @loopback}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000f3f391efab13568f79e7ff1c7daf588699fdc244593afa31794454195dc11851564025be1dd3a6ab"], 0x1c}}, 0x0) [ 2173.935217] nbd: couldn't find device at index 0 [ 2173.956275] nbd: couldn't find device at index 0 [ 2173.965032] nbd: couldn't find device at index 0 [ 2173.976081] nbd: couldn't find device at index 0 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 21:53:20 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004001}, 0x4001) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000070000000000007f06000008000100000009cc"], 0x1c}}, 0x0) [ 2173.987538] nbd: couldn't find device at index 0 [ 2173.995115] nbd: couldn't find device at index 0 [ 2174.000130] nbd: couldn't find device at index 0 [ 2174.015526] nbd: couldn't find device at index 0 [ 2174.022553] nbd: couldn't find a device at index 0 [ 2174.027690] nbd: couldn't find device at index 0 [ 2174.032717] nbd: couldn't find device at index 0 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) [ 2174.054765] nbd: couldn't find device at index 0 [ 2174.063130] nbd: couldn't find device at index 0 [ 2174.082306] nbd: couldn't find device at index 0 [ 2174.093746] nbd: couldn't find device at index 0 21:53:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004001}, 0x4001) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000070000000000007f06000008000100000009cc"], 0x1c}}, 0x0) [ 2174.103620] nbd: couldn't find device at index 0 [ 2174.108554] nbd: couldn't find device at index 0 [ 2174.114789] nbd: couldn't find device at index 0 [ 2174.119645] nbd: couldn't find device at index 0 [ 2174.127681] nbd: couldn't find device at index 0 [ 2174.134298] nbd: couldn't find device at index 0 [ 2174.147679] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0, 0x80}}, 0x0) [ 2174.165046] nbd: couldn't find device at index 0 [ 2174.170185] nbd: couldn't find device at index 0 [ 2174.176064] nbd: couldn't find device at index 0 [ 2174.182149] nbd: couldn't find device at index 0 [ 2174.187130] nbd: couldn't find device at index 0 [ 2174.195407] nbd: couldn't find device at index 0 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004001}, 0x4001) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000070000000000007f06000008000100000009cc"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004001}, 0x4001) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000070000000000007f06000008000100000009cc"], 0x1c}}, 0x0) (async) 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0, 0x80}}, 0x0) [ 2174.218232] nbd: couldn't find device at index 0 [ 2174.227565] nbd: couldn't find device at index 0 [ 2174.234231] nbd: couldn't find device at index 0 [ 2174.252986] nbd: couldn't find device at index 0 [ 2174.260122] nbd: couldn't find device at index 0 [ 2174.271102] nbd: couldn't find device at index 0 [ 2174.281948] nbd: couldn't find device at index 0 [ 2174.289961] nbd: couldn't find device at index 0 [ 2174.296054] nbd: couldn't find device at index 0 [ 2174.305893] nbd: couldn't find device at index 0 [ 2174.310757] nbd: couldn't find device at index 0 [ 2174.316597] nbd: couldn't find device at index 0 [ 2174.322267] nbd: couldn't find device at index 0 [ 2174.327118] nbd: couldn't find device at index 0 [ 2174.332985] nbd: couldn't find device at index 0 [ 2174.337837] nbd: couldn't find device at index 0 [ 2174.344047] nbd: couldn't find device at index 0 [ 2174.349015] nbd: couldn't find device at index 0 [ 2174.355507] nbd: couldn't find device at index 0 [ 2174.360424] nbd: couldn't find device at index 0 [ 2174.371251] nbd: couldn't find device at index 0 [ 2174.376309] nbd: couldn't find device at index 0 [ 2174.386719] nbd: couldn't find device at index 0 [ 2174.391838] nbd: couldn't find device at index 0 [ 2174.396700] nbd: couldn't find device at index 0 [ 2174.401713] nbd: couldn't find device at index 0 [ 2174.406530] nbd: couldn't find device at index 0 [ 2174.411414] nbd: couldn't find device at index 0 [ 2174.416213] nbd: couldn't find device at index 0 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair(0x1e, 0x5, 0x800, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r2, 0x8, 0x9, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x8000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={0x0, 0x80}}, 0x0) 21:53:21 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$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_open_dev$tty1(0xc, 0x4, 0x3) ioctl$KIOCSOUND(r3, 0x4b2f, 0x3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x62619d24a3f591cd, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@{{-('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040001}, 0x20000081) [ 2174.421118] nbd: couldn't find device at index 0 [ 2174.425937] nbd: couldn't find device at index 0 [ 2174.430718] nbd: couldn't find device at index 0 [ 2174.435600] nbd: couldn't find device at index 0 [ 2174.440399] nbd: couldn't find device at index 0 21:53:21 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$tty1(0xc, 0x4, 0x3) ioctl$KIOCSOUND(r3, 0x4b2f, 0x3) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x62619d24a3f591cd, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@{{-('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040001}, 0x20000081) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair(0x1e, 0x5, 0x800, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r2, 0x8, 0x9, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x8000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2174.480627] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1], 0x80}}, 0x0) 21:53:21 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$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_open_dev$tty1(0xc, 0x4, 0x3) ioctl$KIOCSOUND(r3, 0x4b2f, 0x3) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x62619d24a3f591cd, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@{{-('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040001}, 0x20000081) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$tty1(0xc, 0x4, 0x3) (async) ioctl$KIOCSOUND(r3, 0x4b2f, 0x3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x62619d24a3f591cd, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '&@{{-('}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x50}}, 0x40000) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)={0x20, 0x0, 0x200, 0x70bd25, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040001}, 0x20000081) (async) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) socketpair(0x1e, 0x5, 0x800, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r2, 0x8, 0x9, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40080}, 0x8000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2174.533531] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1], 0x80}}, 0x0) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r2, 0xd000943d, &(0x7f00000002c0)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0xff, "d6549a8205f3e0"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000012c0)={{r3, 0x6, 0x9, 0x0, 0x9, 0x2, 0x1, 0x5, 0x7, 0x6, 0x9, 0xfffffffffffffffd, 0x2020, 0x5, 0x4f9e}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2174.590905] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1], 0x80}}, 0x0) [ 2174.646038] nbd: couldn't find device at index 0 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r2, 0xd000943d, &(0x7f00000002c0)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0xff, "d6549a8205f3e0"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000012c0)={{r3, 0x6, 0x9, 0x0, 0x9, 0x2, 0x1, 0x5, 0x7, 0x6, 0x9, 0xfffffffffffffffd, 0x2020, 0x5, 0x4f9e}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r2, 0xd000943d, &(0x7f00000002c0)={0x6, [], 0xff, "d6549a8205f3e0"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000012c0)={{r3, 0x6, 0x9, 0x0, 0x9, 0x2, 0x1, 0x5, 0x7, 0x6, 0x9, 0xfffffffffffffffd, 0x2020, 0x5, 0x4f9e}}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB], 0x80}}, 0x0) 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000180)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) read$FUSE(0xffffffffffffffff, &(0x7f0000002380)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f00000001c0)={0x78, 0x0, r3, {0x0, 0x9, 0x0, {0x0, 0x400, 0x1, 0x3, 0x8, 0x81, 0xaf, 0x6, 0x0, 0xc000, 0x8, 0x0, 0xffffffffffffffff, 0x9, 0xfffffffa}}}, 0x78) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xde32}]}, 0x4c}, 0x1, 0x0, 0x0, 0x3f1d6cb55d600614}, 0x4000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="00ae0000", @ANYRES16=r4, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r2, 0xd000943d, &(0x7f00000002c0)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0xff, "d6549a8205f3e0"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000012c0)={{r3, 0x6, 0x9, 0x0, 0x9, 0x2, 0x1, 0x5, 0x7, 0x6, 0x9, 0xfffffffffffffffd, 0x2020, 0x5, 0x4f9e}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) openat$apparmor_thread_current(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r2, 0xd000943d, &(0x7f00000002c0)={0x6, [], 0xff, "d6549a8205f3e0"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000012c0)={{r3, 0x6, 0x9, 0x0, 0x9, 0x2, 0x1, 0x5, 0x7, 0x6, 0x9, 0xfffffffffffffffd, 0x2020, 0x5, 0x4f9e}}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB], 0x80}}, 0x0) [ 2174.741757] nbd: couldn't find device at index 0 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000180)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) read$FUSE(0xffffffffffffffff, &(0x7f0000002380)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f00000001c0)={0x78, 0x0, r3, {0x0, 0x9, 0x0, {0x0, 0x400, 0x1, 0x3, 0x8, 0x81, 0xaf, 0x6, 0x0, 0xc000, 0x8, 0x0, 0xffffffffffffffff, 0x9, 0xfffffffa}}}, 0x78) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xde32}]}, 0x4c}, 0x1, 0x0, 0x0, 0x3f1d6cb55d600614}, 0x4000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="00ae0000", @ANYRES16=r4, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000180)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000002380)={0x2020}, 0x2020) (async) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f00000001c0)={0x78, 0x0, r3, {0x0, 0x9, 0x0, {0x0, 0x400, 0x1, 0x3, 0x8, 0x81, 0xaf, 0x6, 0x0, 0xc000, 0x8, 0x0, 0xffffffffffffffff, 0x9, 0xfffffffa}}}, 0x78) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xde32}]}, 0x4c}, 0x1, 0x0, 0x0, 0x3f1d6cb55d600614}, 0x4000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="00ae0000", @ANYRES16=r4, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) (async) 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB], 0x80}}, 0x0) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x180}, 0x4840) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x48001000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x20, r4, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4040015) [ 2174.827294] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf"], 0x80}}, 0x0) 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000180)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000002380)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f00000001c0)={0x78, 0x0, r3, {0x0, 0x9, 0x0, {0x0, 0x400, 0x1, 0x3, 0x8, 0x81, 0xaf, 0x6, 0x0, 0xc000, 0x8, 0x0, 0xffffffffffffffff, 0x9, 0xfffffffa}}}, 0x78) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r2, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xde32}]}, 0x4c}, 0x1, 0x0, 0x0, 0x3f1d6cb55d600614}, 0x4000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="00ae0000", @ANYRES16=r4, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x180}, 0x4840) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x48001000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x20, r4, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4040015) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x180}, 0x4840) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x48001000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x20, r4, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4040015) (async) [ 2174.925597] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf"], 0x80}}, 0x0) 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\b\x00', @ANYRES16=r3, @ANYBLOB="01002dbd700009000000030000000c0006000100000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xfcdf9abe8b61409a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x70}, 0x1, 0x0, 0x0, 0x40}, 0x80) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x34, r3, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff35bc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x34}}, 0x40) socket$inet6_udplite(0xa, 0x2, 0x88) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x180}, 0x4840) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x48001000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x20, r4, 0x10, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4040015) [ 2174.996891] nbd: couldn't find device at index 0 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf"], 0x80}}, 0x0) 21:53:21 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\b\x00', @ANYRES16=r3, @ANYBLOB="01002dbd700009000000030000000c0006000100000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xfcdf9abe8b61409a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x70}, 0x1, 0x0, 0x0, 0x40}, 0x80) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x34, r3, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff35bc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x34}}, 0x40) (async) socket$inet6_udplite(0xa, 0x2, 0x88) 21:53:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000"], 0x80}}, 0x0) 21:53:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x1, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3cb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x54}}, 0xc000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2175.089509] nbd: couldn't find device at index 0 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x1, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3cb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x54}}, 0xc000) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\b\x00', @ANYRES16=r3, @ANYBLOB="01002dbd700009000000030000000c0006000100000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, 0x0, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\''}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xfcdf9abe8b61409a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x70}, 0x1, 0x0, 0x0, 0x40}, 0x80) (async, rerun: 64) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x34, r3, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff35bc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x34}}, 0x40) (rerun: 64) socket$inet6_udplite(0xa, 0x2, 0x88) 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000"], 0x80}}, 0x0) [ 2175.160170] nbd: must specify at least one socket [ 2175.165663] nbd: couldn't find device at index 0 [ 2175.170452] nbd: must specify an index to disconnect 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x1, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3cb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x54}}, 0xc000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000"], 0x80}}, 0x0) [ 2175.227521] nbd: must specify at least one socket [ 2175.237758] nbd: couldn't find device at index 0 [ 2175.249982] nbd: must specify an index to disconnect 21:53:22 executing program 5: write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, 0x0, {0x800}}, 0x18) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYRES64=r3], 0x80}}, 0x0) [ 2175.291943] nbd: must specify at least one socket [ 2175.299341] nbd: couldn't find device at index 0 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf250200000008"], 0x80}}, 0x0) 21:53:22 executing program 5: write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, 0x0, {0x800}}, 0x18) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, 0x0, {0x800}}, 0x18) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYRES64=r3], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYRES64=r3], 0x80}}, 0x0) (async) [ 2175.336764] nbd: must specify an index to disconnect [ 2175.347217] block nbd5: not configured, cannot reconfigure 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf250200000008"], 0x80}}, 0x0) [ 2175.427121] nla_parse: 135 callbacks suppressed [ 2175.427128] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2175.451167] nbd: must specify an index to disconnect [ 2175.459120] block nbd5: not configured, cannot reconfigure 21:53:22 executing program 5: write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, 0x0, {0x800}}, 0x18) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYRES64=r3], 0x80}}, 0x0) [ 2175.472430] block nbd5: not configured, cannot reconfigure 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf250200000008"], 0x80}}, 0x0) 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000036b288a9b0001008000000061399ec144757020d3bfa73f8cd01fd7042a399efb59a47e390000226f810519d03e311bd39496ac604e751bae39db10f5b534"], 0x1c}}, 0x0) 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[], 0x80}}, 0x0) [ 2175.528507] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2175.546304] nbd: must specify an index to disconnect [ 2175.557357] block nbd5: not configured, cannot reconfigure 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000000800"], 0x80}}, 0x0) [ 2175.615949] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2175.642509] nbd: must specify an index to disconnect [ 2175.653700] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[], 0x80}}, 0x0) 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000036b288a9b0001008000000061399ec144757020d3bfa73f8cd01fd7042a399efb59a47e390000226f810519d03e311bd39496ac604e751bae39db10f5b534"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000036b288a9b0001008000000061399ec144757020d3bfa73f8cd01fd7042a399efb59a47e390000226f810519d03e311bd39496ac604e751bae39db10f5b534"], 0x1c}}, 0x0) (async) [ 2175.670144] nbd: must specify a device to reconfigure 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[], 0x80}}, 0x0) (async) [ 2175.706431] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2175.727532] nbd: must specify an index to disconnect 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000000800"], 0x80}}, 0x0) [ 2175.752912] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2175.778915] nbd: must specify a device to reconfigure 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020}, 0x2020) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000036b288a9b0001008000000061399ec144757020d3bfa73f8cd01fd7042a399efb59a47e390000226f810519d03e311bd39496ac604e751bae39db10f5b534"], 0x1c}}, 0x0) 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000000800"], 0x80}}, 0x0) 21:53:22 executing program 2: pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) ioctl$DRM_IOCTL_MODE_SETPLANE(r0, 0xc03064b7, &(0x7f0000000140)={0x0, 0x7, 0x1, 0x101, 0x7, 0x5, 0x5, 0x512f, 0x3, 0x4, 0x621d, 0x67}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="0200007aa20df38b3cb0e266a4be6900", @ANYRESDEC=r2, @ANYRESDEC=r2], 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) [ 2175.810227] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2175.819582] nbd: must specify an index to disconnect 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11000000", @ANYRES16=r1, @ANYBLOB="01000000000000000100000000"], 0x1c}}, 0x0) 21:53:22 executing program 2: pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) ioctl$DRM_IOCTL_MODE_SETPLANE(r0, 0xc03064b7, &(0x7f0000000140)={0x0, 0x7, 0x1, 0x101, 0x7, 0x5, 0x5, 0x512f, 0x3, 0x4, 0x621d, 0x67}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="0200007aa20df38b3cb0e266a4be6900", @ANYRESDEC=r2, @ANYRESDEC=r2], 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11000000", @ANYRES16=r1, @ANYBLOB="01000000000000000100000000"], 0x1c}}, 0x0) [ 2175.917801] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2175.945591] nbd: must specify an index to disconnect 21:53:22 executing program 2: pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) ioctl$DRM_IOCTL_MODE_SETPLANE(r0, 0xc03064b7, &(0x7f0000000140)={0x0, 0x7, 0x1, 0x101, 0x7, 0x5, 0x5, 0x512f, 0x3, 0x4, 0x621d, 0x67}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="0200007aa20df38b3cb0e266a4be6900", @ANYRESDEC=r2, @ANYRESDEC=r2], 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11000000", @ANYRES16=r1, @ANYBLOB="01000000000000000100000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11000000", @ANYRES16=r1, @ANYBLOB="01000000000000000100000000"], 0x1c}}, 0x0) (async) 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:22 executing program 5: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, &(0x7f0000000180)={{0x0, 0x6, 0x2f, 0x7, 0x7ff, 0x8, 0x3f, 0x10001, 0xffff8eb5, 0x7ff, 0x9, 0x3, 0x81, 0x3126, 0x1000}, 0x10, [0x0, 0x0]}) ioctl$BTRFS_IOC_TREE_SEARCH(r0, 0xd0009411, &(0x7f00000005c0)={{r1, 0x3, 0x5, 0x80000001, 0x100, 0x1, 0x101, 0xefc1, 0x8, 0x401, 0x8, 0x4, 0xffffffffffffffe0, 0x7ff, 0xffffffff80000000}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x800, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x40080}, 0x40010) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:23 executing program 5: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) (async) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, &(0x7f0000000180)={{0x0, 0x6, 0x2f, 0x7, 0x7ff, 0x8, 0x3f, 0x10001, 0xffff8eb5, 0x7ff, 0x9, 0x3, 0x81, 0x3126, 0x1000}, 0x10, [0x0, 0x0]}) ioctl$BTRFS_IOC_TREE_SEARCH(r0, 0xd0009411, &(0x7f00000005c0)={{r1, 0x3, 0x5, 0x80000001, 0x100, 0x1, 0x101, 0xefc1, 0x8, 0x401, 0x8, 0x4, 0xffffffffffffffe0, 0x7ff, 0xffffffff80000000}}) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x800, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x40080}, 0x40010) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2176.141600] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r3, @ANYRESHEX=r4, @ANYRESOCT=r3, @ANYRESOCT=r1, @ANYRESOCT=r5], 0x80}}, 0x80) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r6, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 5: r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) (async) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, &(0x7f0000000180)={{0x0, 0x6, 0x2f, 0x7, 0x7ff, 0x8, 0x3f, 0x10001, 0xffff8eb5, 0x7ff, 0x9, 0x3, 0x81, 0x3126, 0x1000}, 0x10, [0x0, 0x0]}) ioctl$BTRFS_IOC_TREE_SEARCH(r0, 0xd0009411, &(0x7f00000005c0)={{r1, 0x3, 0x5, 0x80000001, 0x100, 0x1, 0x101, 0xefc1, 0x8, 0x401, 0x8, 0x4, 0xffffffffffffffe0, 0x7ff, 0xffffffff80000000}}) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r4, 0x800, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7fffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}]}, 0x50}, 0x1, 0x0, 0x0, 0x40080}, 0x40010) (async, rerun: 64) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.246179] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r3, @ANYRESHEX=r4, @ANYRESOCT=r3, @ANYRESOCT=r1, @ANYRESOCT=r5], 0x80}}, 0x80) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r6, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r3, @ANYRESHEX=r4, @ANYRESOCT=r3, @ANYRESOCT=r1, @ANYRESOCT=r5], 0x80}}, 0x80) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r6, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) 21:53:23 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0xcc0, 0x4200) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x2000) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000180)={0x2, &(0x7f0000000140)=[{0x9, 0x0, 0x1}, {0x0, 0xff, 0x0, 0x9}]}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r1, 0xc0502100, &(0x7f00000001c0)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000240)={r3, 0x2, r1, 0x3, 0x80000}) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000080)={r3, 0x3, r4, 0x100, 0x80000}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) write$FUSE_ENTRY(r4, &(0x7f0000004380)={0x90, 0x0, r5, {0x4, 0x2, 0x81, 0x10000, 0x0, 0xab, {0x3, 0x101, 0x1, 0xeaef, 0xd8, 0x4, 0xffff, 0x85, 0x0, 0x6000, 0x1192, r6, r7, 0x4d, 0x2}}}, 0x90) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) read$FUSE(r4, &(0x7f0000002340)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r8, &(0x7f00000000c0)={0x60, 0xfffffffffffffffe, r9, {{0x2, 0x0, 0x8, 0x8, 0x8000000000000001, 0x7, 0x6, 0x5}}}, 0x60) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.320554] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0xcc0, 0x4200) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x2000) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000180)={0x2, &(0x7f0000000140)=[{0x9, 0x0, 0x1}, {0x0, 0xff, 0x0, 0x9}]}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r1, 0xc0502100, &(0x7f00000001c0)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000240)={r3, 0x2, r1, 0x3, 0x80000}) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000080)={r3, 0x3, r4, 0x100, 0x80000}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) write$FUSE_ENTRY(r4, &(0x7f0000004380)={0x90, 0x0, r5, {0x4, 0x2, 0x81, 0x10000, 0x0, 0xab, {0x3, 0x101, 0x1, 0xeaef, 0xd8, 0x4, 0xffff, 0x85, 0x0, 0x6000, 0x1192, r6, r7, 0x4d, 0x2}}}, 0x90) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) read$FUSE(r4, &(0x7f0000002340)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r8, &(0x7f00000000c0)={0x60, 0xfffffffffffffffe, r9, {{0x2, 0x0, 0x8, 0x8, 0x8000000000000001, 0x7, 0x6, 0x5}}}, 0x60) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_open_dev$vcsa(&(0x7f0000000040), 0xcc0, 0x4200) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x2000) (async) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000180)={0x2, &(0x7f0000000140)=[{0x9, 0x0, 0x1}, {0x0, 0xff, 0x0, 0x9}]}) (async) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r1, 0xc0502100, &(0x7f00000001c0)) (async) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000240)={r3, 0x2, r1, 0x3, 0x80000}) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000080)={r3, 0x3, r4, 0x100, 0x80000}) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) write$FUSE_ENTRY(r4, &(0x7f0000004380)={0x90, 0x0, r5, {0x4, 0x2, 0x81, 0x10000, 0x0, 0xab, {0x3, 0x101, 0x1, 0xeaef, 0xd8, 0x4, 0xffff, 0x85, 0x0, 0x6000, 0x1192, r6, r7, 0x4d, 0x2}}}, 0x90) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) read$FUSE(r4, &(0x7f0000002340)={0x2020}, 0x2020) (async) write$FUSE_STATFS(r8, &(0x7f00000000c0)={0x60, 0xfffffffffffffffe, r9, {{0x2, 0x0, 0x8, 0x8, 0x8000000000000001, 0x7, 0x6, 0x5}}}, 0x60) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) (async) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r3, @ANYRESHEX=r4, @ANYRESOCT=r3, @ANYRESOCT=r1, @ANYRESOCT=r5], 0x80}}, 0x80) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r6, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.395089] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'syztnl0\x00', &(0x7f0000000080)={'syztnl2\x00', 0x0, 0x2f, 0x8, 0xff, 0x1f, 0x12, @mcast2, @dev={0xfe, 0x80, '\x00', 0xe}, 0x10, 0x1, 0x9ebc, 0x400}}) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000040)) 21:53:23 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0xcc0, 0x4200) (async) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x2000) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000180)={0x2, &(0x7f0000000140)=[{0x9, 0x0, 0x1}, {0x0, 0xff, 0x0, 0x9}]}) (async) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r1, 0xc0502100, &(0x7f00000001c0)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r2, 0x40182103, &(0x7f0000000240)={r3, 0x2, r1, 0x3, 0x80000}) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(r0, 0x40182103, &(0x7f0000000080)={r3, 0x3, r4, 0x100, 0x80000}) (async, rerun: 64) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (rerun: 64) write$FUSE_ENTRY(r4, &(0x7f0000004380)={0x90, 0x0, r5, {0x4, 0x2, 0x81, 0x10000, 0x0, 0xab, {0x3, 0x101, 0x1, 0xeaef, 0xd8, 0x4, 0xffff, 0x85, 0x0, 0x6000, 0x1192, r6, r7, 0x4d, 0x2}}}, 0x90) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) read$FUSE(r4, &(0x7f0000002340)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_STATFS(r8, &(0x7f00000000c0)={0x60, 0xfffffffffffffffe, r9, {{0x2, 0x0, 0x8, 0x8, 0x8000000000000001, 0x7, 0x6, 0x5}}}, 0x60) (async, rerun: 64) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r12, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.455519] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'syztnl0\x00', &(0x7f0000000080)={'syztnl2\x00', 0x0, 0x2f, 0x8, 0xff, 0x1f, 0x12, @mcast2, @dev={0xfe, 0x80, '\x00', 0xe}, 0x10, 0x1, 0x9ebc, 0x400}}) (async) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000040)) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.528718] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2176.537719] nbd: couldn't find device at index 0 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c00d24d", @ANYRES16=r1, @ANYBLOB="14000000000000fe75000300000004009e35a593fb54b68c8605ebf22ad4c2e64404ca148057a7993c3364bc46cc650a827390bd2467ba971c2222386100000000000000095f4fbe1a49204058287ea638f85e293ff8cdedd2119e2520c3ff2af479aa3558b8cc2aa4fe6f873b7aa585e217511c79e53d6eb71fbae4e4919c7c60e16d861caf2883f652db37d73a1c39dd6c153c5928e1ba92d278ca28e503a14eb20d87b6a746d0643a41aef038851f7318dcc88388bdefedcb07e16ed8062f4652fc0c40df74cf2f7592ffe909a2d5558b24136ee41a421de6924bc0843fac596801c61d9c279d423a"], 0x1c}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f0000000100)={'syztnl0\x00', &(0x7f0000000080)={'syztnl2\x00', 0x0, 0x2f, 0x8, 0xff, 0x1f, 0x12, @mcast2, @dev={0xfe, 0x80, '\x00', 0xe}, 0x10, 0x1, 0x9ebc, 0x400}}) (async) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000040)) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.606899] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2176.624197] nbd: couldn't find device at index 0 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c00d24d", @ANYRES16=r1, @ANYBLOB="14000000000000fe75000300000004009e35a593fb54b68c8605ebf22ad4c2e64404ca148057a7993c3364bc46cc650a827390bd2467ba971c2222386100000000000000095f4fbe1a49204058287ea638f85e293ff8cdedd2119e2520c3ff2af479aa3558b8cc2aa4fe6f873b7aa585e217511c79e53d6eb71fbae4e4919c7c60e16d861caf2883f652db37d73a1c39dd6c153c5928e1ba92d278ca28e503a14eb20d87b6a746d0643a41aef038851f7318dcc88388bdefedcb07e16ed8062f4652fc0c40df74cf2f7592ffe909a2d5558b24136ee41a421de6924bc0843fac596801c61d9c279d423a"], 0x1c}}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf35f7000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0xc4, r1, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4a0afb61}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}]}, 0xc4}, 0x1, 0x0, 0x0, 0x4001}, 0x80) [ 2176.694315] nbd: couldn't find device at index 0 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="8000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf35f7000000080001"], 0x80}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) (async) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0xc4, r1, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4a0afb61}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}]}, 0xc4}, 0x1, 0x0, 0x0, 0x4001}, 0x80) 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c00d24d", @ANYRES16=r1, @ANYBLOB="14000000000000fe75000300000004009e35a593fb54b68c8605ebf22ad4c2e64404ca148057a7993c3364bc46cc650a827390bd2467ba971c2222386100000000000000095f4fbe1a49204058287ea638f85e293ff8cdedd2119e2520c3ff2af479aa3558b8cc2aa4fe6f873b7aa585e217511c79e53d6eb71fbae4e4919c7c60e16d861caf2883f652db37d73a1c39dd6c153c5928e1ba92d278ca28e503a14eb20d87b6a746d0643a41aef038851f7318dcc88388bdefedcb07e16ed8062f4652fc0c40df74cf2f7592ffe909a2d5558b24136ee41a421de6924bc0843fac596801c61d9c279d423a"], 0x1c}}, 0x0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="8000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf35f7000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0xc4, r1, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4a0afb61}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}]}, 0xc4}, 0x1, 0x0, 0x0, 0x4001}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf35f7000000080001"], 0x80}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000002c0)={0xc4, r1, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4a0afb61}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}]}, 0xc4}, 0x1, 0x0, 0x0, 0x4001}, 0x80) (async) 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x20, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8044) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="8000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x161ea10}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffff14}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfec8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x4048880}, 0x40014) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x6, 0x1) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRESOCT=r3, @ANYBLOB="01002cbd70003379df2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x20, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8044) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="800000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2176.939383] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x161ea10}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffff14}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfec8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x4048880}, 0x40014) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x6, 0x1) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRESOCT=r3, @ANYBLOB="01002cbd70003379df2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x161ea10}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffff14}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfec8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x4048880}, 0x40014) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x6, 0x1) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRESOCT=r3, @ANYBLOB="01002cbd70003379df2502000000080001"], 0x80}}, 0x0) (async) 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x20, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8044) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r4, 0x20, 0x70bd26, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8044) (async) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="800000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x68, r1, 0x20, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x161ea10}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffff14}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfec8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x4048880}, 0x40014) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x6, 0x1) (rerun: 32) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRESOCT=r3, @ANYBLOB="01002cbd70003379df2502000000080001"], 0x80}}, 0x0) [ 2177.015456] block nbd5: not configured, cannot reconfigure 21:53:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002700)={&(0x7f0000002540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000026c0)={&(0x7f0000002600)={0xa4, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0xa4}, 0x1, 0x0, 0x0, 0x1}, 0xc800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept4(0xffffffffffffffff, &(0x7f0000000080)=@ieee802154, &(0x7f0000000100)=0x80, 0xc00) socketpair(0x1f, 0xa, 0x8000, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={&(0x7f0000000040), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r6, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x50502e9e82169259}, 0x4000) r12 = syz_genetlink_get_family_id$nbd(&(0x7f00000023c0), r3) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000002500)={&(0x7f0000002380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000024c0)={&(0x7f0000002400)={0x84, r12, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0xc0) 21:53:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="800000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2177.088698] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r6) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="01f9fffffffeffffff631aadcbbf05d5c2f35d6d1d4531389d19802c08ec47e855852624221e79c0737a8a952791a69c183874d6a0127f2d52d616e12d0a40ffff00002314f01648ae3b13b25dfe6b19affbccd593ebf8052fadb7377ce79c9f6a636b51fe6d1d5a51f912a1234bbf0c70cc4f553ab3f533e3e36333dd9451e575ecb6b48189d4e2cd9dde68a5d08f96a288db03f80c2fc876f8bc31ca8b643c91586d47a5fb1299b0bfd8d6376affabee", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x5c, r5, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) (async) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002700)={&(0x7f0000002540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000026c0)={&(0x7f0000002600)={0xa4, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0xa4}, 0x1, 0x0, 0x0, 0x1}, 0xc800) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) r8 = accept4(0xffffffffffffffff, &(0x7f0000000080)=@ieee802154, &(0x7f0000000100)=0x80, 0xc00) (async) socketpair(0x1f, 0xa, 0x8000, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={&(0x7f0000000040), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r6, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x50502e9e82169259}, 0x4000) r12 = syz_genetlink_get_family_id$nbd(&(0x7f00000023c0), r3) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000002500)={&(0x7f0000002380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000024c0)={&(0x7f0000002400)={0x84, r12, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0xc0) 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r6) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="01f9fffffffeffffff631aadcbbf05d5c2f35d6d1d4531389d19802c08ec47e855852624221e79c0737a8a952791a69c183874d6a0127f2d52d616e12d0a40ffff00002314f01648ae3b13b25dfe6b19affbccd593ebf8052fadb7377ce79c9f6a636b51fe6d1d5a51f912a1234bbf0c70cc4f553ab3f533e3e36333dd9451e575ecb6b48189d4e2cd9dde68a5d08f96a288db03f80c2fc876f8bc31ca8b643c91586d47a5fb1299b0bfd8d6376affabee", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x5c, r5, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) [ 2177.194680] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002700)={&(0x7f0000002540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000026c0)={&(0x7f0000002600)={0xa4, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0xa4}, 0x1, 0x0, 0x0, 0x1}, 0xc800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept4(0xffffffffffffffff, &(0x7f0000000080)=@ieee802154, &(0x7f0000000100)=0x80, 0xc00) socketpair(0x1f, 0xa, 0x8000, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={&(0x7f0000000040), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r6, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x50502e9e82169259}, 0x4000) r12 = syz_genetlink_get_family_id$nbd(&(0x7f00000023c0), r3) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000002500)={&(0x7f0000002380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000024c0)={&(0x7f0000002400)={0x84, r12, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0xc0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002700)={&(0x7f0000002540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000026c0)={&(0x7f0000002600)={0xa4, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0xa4}, 0x1, 0x0, 0x0, 0x1}, 0xc800) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) accept4(0xffffffffffffffff, &(0x7f0000000080)=@ieee802154, &(0x7f0000000100)=0x80, 0xc00) (async) socketpair(0x1f, 0xa, 0x8000, &(0x7f0000000140)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={&(0x7f0000000040), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r6, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x50502e9e82169259}, 0x4000) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000023c0), r3) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000002500)={&(0x7f0000002380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000024c0)={&(0x7f0000002400)={0x84, r12, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0xc0) (async) 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r6) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="01f9fffffffeffffff631aadcbbf05d5c2f35d6d1d4531389d19802c08ec47e855852624221e79c0737a8a952791a69c183874d6a0127f2d52d616e12d0a40ffff00002314f01648ae3b13b25dfe6b19affbccd593ebf8052fadb7377ce79c9f6a636b51fe6d1d5a51f912a1234bbf0c70cc4f553ab3f533e3e36333dd9451e575ecb6b48189d4e2cd9dde68a5d08f96a288db03f80c2fc876f8bc31ca8b643c91586d47a5fb1299b0bfd8d6376affabee", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000080)={&(0x7f0000000340)={0x5c, r5, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) [ 2177.272679] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000040), 0x1, 0x800) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x18, 0x1, 0xe9, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept(r3, &(0x7f0000002340)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @initdev}}}, &(0x7f00000002c0)=0x80) r9 = accept(r3, &(0x7f00000023c0)=@nfc_llcp, &(0x7f0000002440)=0x80) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000025c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002580)={&(0x7f0000002480)={0xc4, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '-)('}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4647cd32}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5c}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\{'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x2004014}, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYRES32=r2, @ANYRESHEX=r0, @ANYBLOB="01f19885fcbeb2671fe620fd7d0450ba5993002cbd7f000000df71379f53e89f9c08c48dd96e74e8de4510e4764b3051d31df300000000", @ANYRESDEC=r1, @ANYRESOCT=r1, @ANYRESDEC=r3, @ANYRES16=r3], 0x80}}, 0x0) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x6009200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x44, r1, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff8}]}, 0x44}, 0x1, 0x0, 0x0, 0x2404c0d5}, 0x80000) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) write$FUSE_BMAP(r2, &(0x7f00000001c0)={0x18, 0x0, 0x0, {0x7ff}}, 0x18) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2177.327770] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000040), 0x1, 0x800) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair(0x18, 0x1, 0xe9, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) r8 = accept(r3, &(0x7f0000002340)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @initdev}}}, &(0x7f00000002c0)=0x80) r9 = accept(r3, &(0x7f00000023c0)=@nfc_llcp, &(0x7f0000002440)=0x80) (async) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) (async) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000025c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002580)={&(0x7f0000002480)={0xc4, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '-)('}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4647cd32}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5c}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\{'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x2004014}, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYRES32=r2, @ANYRESHEX=r0, @ANYBLOB="01f19885fcbeb2671fe620fd7d0450ba5993002cbd7f000000df71379f53e89f9c08c48dd96e74e8de4510e4764b3051d31df300000000", @ANYRESDEC=r1, @ANYRESOCT=r1, @ANYRESDEC=r3, @ANYRES16=r3], 0x80}}, 0x0) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x6009200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x44, r1, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff8}]}, 0x44}, 0x1, 0x0, 0x0, 0x2404c0d5}, 0x80000) (async) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) write$FUSE_BMAP(r2, &(0x7f00000001c0)={0x18, 0x0, 0x0, {0x7ff}}, 0x18) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000040), 0x1, 0x800) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair(0x18, 0x1, 0xe9, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) r8 = accept(r3, &(0x7f0000002340)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @initdev}}}, &(0x7f00000002c0)=0x80) (async) r9 = accept(r3, &(0x7f00000023c0)=@nfc_llcp, &(0x7f0000002440)=0x80) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000025c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002580)={&(0x7f0000002480)={0xc4, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '-)('}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4647cd32}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5c}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r3}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '\\{'}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r3}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}]}, 0xc4}, 0x1, 0x0, 0x0, 0x2004014}, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYRES32=r2, @ANYRESHEX=r0, @ANYBLOB="01f19885fcbeb2671fe620fd7d0450ba5993002cbd7f000000df71379f53e89f9c08c48dd96e74e8de4510e4764b3051d31df300000000", @ANYRESDEC=r1, @ANYRESOCT=r1, @ANYRESDEC=r3, @ANYRES16=r3], 0x80}}, 0x0) [ 2177.415225] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x6009200}, 0xc, &(0x7f0000000100)={&(0x7f0000000200)={0x44, r1, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffffff8}]}, 0x44}, 0x1, 0x0, 0x0, 0x2404c0d5}, 0x80000) (async) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) write$FUSE_BMAP(r2, &(0x7f00000001c0)={0x18, 0x0, 0x0, {0x7ff}}, 0x18) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2177.470207] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000002380)={&(0x7f0000002340)='afs_make_fs_call\x00'}, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r7 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000003c0)={&(0x7f00000023c0)={0x10c, r4, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x65}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '$$[[*^'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x10c}, 0x1, 0x0, 0x0, 0x2800}, 0x20040040) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000044}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030018000800010000000000"], 0x1c}}, 0x0) 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = accept4(0xffffffffffffffff, &(0x7f0000000180)=@sco={0x1f, @fixed}, &(0x7f0000000200)=0x80, 0x80000) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000100), 0xc, &(0x7f0000000400)={&(0x7f0000000300)={0xc8, r3, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe3cd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40000}, 0x20000002) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000080)={@loopback}, &(0x7f00000000c0)=0x14) 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async, rerun: 32) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (rerun: 32) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async, rerun: 64) r9 = accept4(0xffffffffffffffff, &(0x7f0000000180)=@sco={0x1f, @fixed}, &(0x7f0000000200)=0x80, 0x80000) (rerun: 64) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000100), 0xc, &(0x7f0000000400)={&(0x7f0000000300)={0xc8, r3, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe3cd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40000}, 0x20000002) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000080)={@loopback}, &(0x7f00000000c0)=0x14) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000002380)={&(0x7f0000002340)='afs_make_fs_call\x00'}, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r7 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000003c0)={&(0x7f00000023c0)={0x10c, r4, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x65}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '$$[[*^'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x10c}, 0x1, 0x0, 0x0, 0x2800}, 0x20040040) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000044}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030018000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000002380)={&(0x7f0000002340)='afs_make_fs_call\x00'}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) accept(0xffffffffffffffff, 0x0, &(0x7f0000000240)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000003c0)={&(0x7f00000023c0)={0x10c, r4, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x65}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '$$[[*^'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x10c}, 0x1, 0x0, 0x0, 0x2800}, 0x20040040) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000044}, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030018000800010000000000"], 0x1c}}, 0x0) (async) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000002380)={&(0x7f0000002340)='afs_make_fs_call\x00'}, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r7 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000240)) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000003c0)={&(0x7f00000023c0)={0x10c, r4, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x65}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '$$[[*^'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x10c}, 0x1, 0x0, 0x0, 0x2800}, 0x20040040) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000044}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030018000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000002380)={&(0x7f0000002340)='afs_make_fs_call\x00'}, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) accept(0xffffffffffffffff, 0x0, &(0x7f0000000240)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r11, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000400)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000003c0)={&(0x7f00000023c0)={0x10c, r4, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x65}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8, 0x1, r11}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '$$[[*^'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x10c}, 0x1, 0x0, 0x0, 0x2800}, 0x20040040) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000044}, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030018000800010000000000"], 0x1c}}, 0x0) (async) [ 2177.605329] nbd: couldn't find a device at index 0 [ 2177.610354] nbd: couldn't find device at index 0 [ 2177.644288] nbd: couldn't find a device at index 0 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = accept4(0xffffffffffffffff, &(0x7f0000000180)=@sco={0x1f, @fixed}, &(0x7f0000000200)=0x80, 0x80000) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000002c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000100), 0xc, &(0x7f0000000400)={&(0x7f0000000300)={0xc8, r3, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe3cd}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40000}, 0x20000002) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x1c, &(0x7f0000000080)={@loopback}, &(0x7f00000000c0)=0x14) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$SIOCGETMIFCNT_IN6(r2, 0x89e0, &(0x7f0000000040)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2177.686982] nbd: couldn't find device at index 0 [ 2177.706836] nbd: couldn't find a device at index 0 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x305, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x16000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x400d4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ')/-'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeb}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2177.756273] nbd: couldn't find device at index 0 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$SIOCGETMIFCNT_IN6(r2, 0x89e0, &(0x7f0000000040)) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2177.783126] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x305, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x16000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x400d4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ')/-'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeb}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) (async, rerun: 64) ioctl$SIOCGETMIFCNT_IN6(r2, 0x89e0, &(0x7f0000000040)) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2177.828433] nbd: couldn't find device at index 0 21:53:24 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r1, 0x305, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x16000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}}, 0x400d4) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffffffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, ')/-'}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xeb}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2177.896529] nbd: couldn't find device at index 0 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004802}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r6, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9242}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xaa24b905ae11aa6d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="02080081", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001000000000068075686431dc9"], 0x1c}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004802}, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r6, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9242}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xaa24b905ae11aa6d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="02080081", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001000000000068075686431dc9"], 0x1c}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) [ 2177.921245] block nbd5: not configured, cannot reconfigure 21:53:24 executing program 2: r0 = syz_open_dev$vcsa(0x0, 0x0, 0x2000) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r1, 0x40082102, &(0x7f0000000080)) read$FUSE(r0, &(0x7f0000000300)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_WRITE(r0, &(0x7f0000002340)={0x18, 0x0, r2, {0x6}}, 0x18) write$FUSE_LK(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, r2, {{0xffffffffffffffff, 0xffffffff, 0x2, 0xffffffffffffffff}}}, 0x28) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r4, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004802}, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r6, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9242}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xaa24b905ae11aa6d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="02080081", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001000000000068075686431dc9"], 0x1c}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) [ 2177.996303] nbd: couldn't find device at index 0 21:53:24 executing program 2: r0 = syz_open_dev$vcsa(0x0, 0x0, 0x2000) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, 0x0) (async) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r1, 0x40082102, &(0x7f0000000080)) (async) read$FUSE(r0, &(0x7f0000000300)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_WRITE(r0, &(0x7f0000002340)={0x18, 0x0, r2, {0x6}}, 0x18) (async) write$FUSE_LK(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, r2, {{0xffffffffffffffff, 0xffffffff, 0x2, 0xffffffffffffffff}}}, 0x28) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r4, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2178.037677] nbd: couldn't find device at index 0 21:53:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000004380)={0x2020}, 0x2020) read$FUSE(r2, &(0x7f0000002340)={0x2020}, 0x3d) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB="fd6119828696de83d27a299e86a1034b549a5ad89f0e617340594eff5de6c10c8cdd71d8eb9867ed9a5f0e80f2fd16067fbeb515caadeab13693b4dce7613151096b0a240d9c978525e8c1e8dab2c544b4ca31bac985d40cdccac243fea49ff3d076c523d0b839257fef96ed92173b0aa37f68d5065ad5063b6c4f634150cc880361530b886e01897d2b61f93a5c6b3015c6d7d3ac6b9c"], 0x1c}, 0x1, 0x0, 0x0, 0x8840}, 0x0) 21:53:24 executing program 2: r0 = syz_open_dev$vcsa(0x0, 0x0, 0x2000) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, 0x0) (async) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r1, 0x40082102, &(0x7f0000000080)) (async, rerun: 32) read$FUSE(r0, &(0x7f0000000300)={0x2020, 0x0, 0x0}, 0x2020) (rerun: 32) write$FUSE_WRITE(r0, &(0x7f0000002340)={0x18, 0x0, r2, {0x6}}, 0x18) (async) write$FUSE_LK(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, r2, {{0xffffffffffffffff, 0xffffffff, 0x2, 0xffffffffffffffff}}}, 0x28) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r4, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2178.085886] nbd: couldn't find device at index 0 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000004380)={0x2020}, 0x2020) read$FUSE(r2, &(0x7f0000002340)={0x2020}, 0x3d) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB="fd6119828696de83d27a299e86a1034b549a5ad89f0e617340594eff5de6c10c8cdd71d8eb9867ed9a5f0e80f2fd16067fbeb515caadeab13693b4dce7613151096b0a240d9c978525e8c1e8dab2c544b4ca31bac985d40cdccac243fea49ff3d076c523d0b839257fef96ed92173b0aa37f68d5065ad5063b6c4f634150cc880361530b886e01897d2b61f93a5c6b3015c6d7d3ac6b9c"], 0x1c}, 0x1, 0x0, 0x0, 0x8840}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r2, &(0x7f0000004380)={0x2020}, 0x2020) (async) read$FUSE(r2, &(0x7f0000002340)={0x2020}, 0x3d) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB="fd6119828696de83d27a299e86a1034b549a5ad89f0e617340594eff5de6c10c8cdd71d8eb9867ed9a5f0e80f2fd16067fbeb515caadeab13693b4dce7613151096b0a240d9c978525e8c1e8dab2c544b4ca31bac985d40cdccac243fea49ff3d076c523d0b839257fef96ed92173b0aa37f68d5065ad5063b6c4f634150cc880361530b886e01897d2b61f93a5c6b3015c6d7d3ac6b9c"], 0x1c}, 0x1, 0x0, 0x0, 0x8840}, 0x0) (async) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000004380)={0x2020}, 0x2020) read$FUSE(r2, &(0x7f0000002340)={0x2020}, 0x3d) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000000c0)=ANY=[@ANYBLOB="fd6119828696de83d27a299e86a1034b549a5ad89f0e617340594eff5de6c10c8cdd71d8eb9867ed9a5f0e80f2fd16067fbeb515caadeab13693b4dce7613151096b0a240d9c978525e8c1e8dab2c544b4ca31bac985d40cdccac243fea49ff3d076c523d0b839257fef96ed92173b0aa37f68d5065ad5063b6c4f634150cc880361530b886e01897d2b61f93a5c6b3015c6d7d3ac6b9c"], 0x1c}, 0x1, 0x0, 0x0, 0x8840}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = accept4(0xffffffffffffffff, &(0x7f00000000c0)=@ll, &(0x7f0000000140)=0x80, 0x80000) r6 = syz_open_dev$vcsa(&(0x7f0000000180), 0x8, 0x131000) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x40) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20008004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2178.169031] nbd: couldn't find device at index 0 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = accept4(0xffffffffffffffff, &(0x7f00000000c0)=@ll, &(0x7f0000000140)=0x80, 0x80000) r6 = syz_open_dev$vcsa(&(0x7f0000000180), 0x8, 0x131000) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) pipe2$watch_queue(&(0x7f0000000080), 0x80) (async) accept4(0xffffffffffffffff, &(0x7f00000000c0)=@ll, &(0x7f0000000140)=0x80, 0x80000) (async) syz_open_dev$vcsa(&(0x7f0000000180), 0x8, 0x131000) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x40) (async) [ 2178.218903] nbd: couldn't find device at index 0 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20008004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) (async) r5 = accept4(0xffffffffffffffff, &(0x7f00000000c0)=@ll, &(0x7f0000000140)=0x80, 0x80000) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000180), 0x8, 0x131000) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x54, r1, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x40) [ 2178.243226] block nbd5: not configured, cannot reconfigure [ 2178.250733] nbd: couldn't find device at index 0 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20008004) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x20008004) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="02010000", @ANYRES16=r1, @ANYBLOB="01fbdf250200001faae30fbc47e66e0000"], 0x80}}, 0x0) pipe2$watch_queue(&(0x7f00000000c0), 0x80) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) perf_event_open$cgroup(&(0x7f0000000040)={0x3, 0x80, 0x8, 0x0, 0x8, 0x81, 0x0, 0x2ba, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x3, 0x2, @perf_config_ext={0x1, 0xffffffbffffffffd}, 0x50000, 0x7, 0x2, 0x4, 0xae0, 0x401, 0x1a78, 0x0, 0x9, 0x0, 0x1}, r3, 0x1, 0xffffffffffffffff, 0xf) [ 2178.302966] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="02010000", @ANYRES16=r1, @ANYBLOB="01fbdf250200001faae30fbc47e66e0000"], 0x80}}, 0x0) pipe2$watch_queue(&(0x7f00000000c0), 0x80) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) perf_event_open$cgroup(&(0x7f0000000040)={0x3, 0x80, 0x8, 0x0, 0x8, 0x81, 0x0, 0x2ba, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x3, 0x2, @perf_config_ext={0x1, 0xffffffbffffffffd}, 0x50000, 0x7, 0x2, 0x4, 0xae0, 0x401, 0x1a78, 0x0, 0x9, 0x0, 0x1}, r3, 0x1, 0xffffffffffffffff, 0xf) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="02010000", @ANYRES16=r1, @ANYBLOB="01fbdf250200001faae30fbc47e66e0000"], 0x80}}, 0x0) (async) pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) perf_event_open$cgroup(&(0x7f0000000040)={0x3, 0x80, 0x8, 0x0, 0x8, 0x81, 0x0, 0x2ba, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x3, 0x2, @perf_config_ext={0x1, 0xffffffbffffffffd}, 0x50000, 0x7, 0x2, 0x4, 0xae0, 0x401, 0x1a78, 0x0, 0x9, 0x0, 0x1}, r3, 0x1, 0xffffffffffffffff, 0xf) (async) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="02010000", @ANYRES16=r1, @ANYBLOB="01fbdf250200001faae30fbc47e66e0000"], 0x80}}, 0x0) (async, rerun: 32) pipe2$watch_queue(&(0x7f00000000c0), 0x80) (rerun: 32) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) perf_event_open$cgroup(&(0x7f0000000040)={0x3, 0x80, 0x8, 0x0, 0x8, 0x81, 0x0, 0x2ba, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x3, 0x2, @perf_config_ext={0x1, 0xffffffbffffffffd}, 0x50000, 0x7, 0x2, 0x4, 0xae0, 0x401, 0x1a78, 0x0, 0x9, 0x0, 0x1}, r3, 0x1, 0xffffffffffffffff, 0xf) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000080), 0x1d84, 0x121a00) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r4, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20040804}, 0x44) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2178.348821] block nbd5: not configured, cannot reconfigure [ 2178.371596] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000080), 0x1d84, 0x121a00) (async) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r4, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20040804}, 0x44) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) [ 2178.428728] block nbd5: not configured, cannot reconfigure [ 2178.448055] nbd: couldn't find device at index 0 [ 2178.468190] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000080), 0x1d84, 0x121a00) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r4, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20040804}, 0x44) (async, rerun: 32) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2178.487964] nbd: couldn't find device at index 0 21:53:25 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0x9, 0x80000) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020, 0x0, 0x0}, 0x2020) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_IOCTL(r0, &(0x7f00000002c0)={0x20, 0x0, r2, {0xc8, 0x4, 0x1, 0x8001}}, 0x20) syz_mount_image$ubifs(&(0x7f0000002400), &(0x7f0000002440)='./file0\x00', 0x7fffffff, 0x3, &(0x7f0000002580)=[{&(0x7f0000002480)="027e9803fadfcff85ff2cf000761763ccaa6ff7ee4abb2ab58fa1e7b3680527822ec53df2ca59bb3b12c1a7c5e88b337e8f98398a0ad7fd3851a1b9b03ff059214e338bd969da310174a62", 0x4b}, {&(0x7f0000002500)="631d7db1038c6a90dc78e2e6a348178d5226fb8415a2b7007e38f06ca71182fa8918c009c802efd6", 0x28, 0x2}, {&(0x7f0000002540)="5b457f545b6fd001e5fb78620c146235cc90df", 0x13, 0xffffffffffffe56b}], 0x8000, &(0x7f0000000200)=ANY=[@ANYBLOB="666173745f756e6d6f756e742c62756c6b5f726561642c636f6d70723d7a7374642c636f6d70723d6c7a6f2c617574685f6b65793d2a24d1265d2c66756e633d504154485f434845434b2c657569643e", @ANYRESDEC=r3, @ANYBLOB=',fsmagic=0x000000000000ffff,fowner<', @ANYRESDEC=r3, @ANYBLOB="2c736d61743d2c686173682c000283337d9686f27b505b5bc8a3"]) getresgid(&(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000100)=0x0) write$FUSE_ENTRY(r0, &(0x7f0000000140)={0x90, 0x0, r1, {0x4, 0x3, 0x1, 0x9, 0x401, 0x8, {0x0, 0xff, 0x3, 0x5, 0x4, 0x40, 0x6b1a, 0x800000, 0x87d4, 0xc000, 0x20004, r3, r4, 0x8000000, 0x4}}}, 0x90) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2178.508949] block nbd5: not configured, cannot reconfigure [ 2178.526488] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:25 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0x9, 0x80000) (async) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020, 0x0, 0x0}, 0x2020) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_IOCTL(r0, &(0x7f00000002c0)={0x20, 0x0, r2, {0xc8, 0x4, 0x1, 0x8001}}, 0x20) (async) syz_mount_image$ubifs(&(0x7f0000002400), &(0x7f0000002440)='./file0\x00', 0x7fffffff, 0x3, &(0x7f0000002580)=[{&(0x7f0000002480)="027e9803fadfcff85ff2cf000761763ccaa6ff7ee4abb2ab58fa1e7b3680527822ec53df2ca59bb3b12c1a7c5e88b337e8f98398a0ad7fd3851a1b9b03ff059214e338bd969da310174a62", 0x4b}, {&(0x7f0000002500)="631d7db1038c6a90dc78e2e6a348178d5226fb8415a2b7007e38f06ca71182fa8918c009c802efd6", 0x28, 0x2}, {&(0x7f0000002540)="5b457f545b6fd001e5fb78620c146235cc90df", 0x13, 0xffffffffffffe56b}], 0x8000, &(0x7f0000000200)=ANY=[@ANYBLOB="666173745f756e6d6f756e742c62756c6b5f726561642c636f6d70723d7a7374642c636f6d70723d6c7a6f2c617574685f6b65793d2a24d1265d2c66756e633d504154485f434845434b2c657569643e", @ANYRESDEC=r3, @ANYBLOB=',fsmagic=0x000000000000ffff,fowner<', @ANYRESDEC=r3, @ANYBLOB="2c736d61743d2c686173682c000283337d9686f27b505b5bc8a3"]) (async) getresgid(&(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000100)=0x0) write$FUSE_ENTRY(r0, &(0x7f0000000140)={0x90, 0x0, r1, {0x4, 0x3, 0x1, 0x9, 0x401, 0x8, {0x0, 0xff, 0x3, 0x5, 0x4, 0x40, 0x6b1a, 0x800000, 0x87d4, 0xc000, 0x20004, r3, r4, 0x8000000, 0x4}}}, 0x90) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2178.607319] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f0000000040), 0x9, 0x80000) (async) read$FUSE(0xffffffffffffffff, &(0x7f00000005c0)={0x2020, 0x0, 0x0}, 0x2020) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_IOCTL(r0, &(0x7f00000002c0)={0x20, 0x0, r2, {0xc8, 0x4, 0x1, 0x8001}}, 0x20) syz_mount_image$ubifs(&(0x7f0000002400), &(0x7f0000002440)='./file0\x00', 0x7fffffff, 0x3, &(0x7f0000002580)=[{&(0x7f0000002480)="027e9803fadfcff85ff2cf000761763ccaa6ff7ee4abb2ab58fa1e7b3680527822ec53df2ca59bb3b12c1a7c5e88b337e8f98398a0ad7fd3851a1b9b03ff059214e338bd969da310174a62", 0x4b}, {&(0x7f0000002500)="631d7db1038c6a90dc78e2e6a348178d5226fb8415a2b7007e38f06ca71182fa8918c009c802efd6", 0x28, 0x2}, {&(0x7f0000002540)="5b457f545b6fd001e5fb78620c146235cc90df", 0x13, 0xffffffffffffe56b}], 0x8000, &(0x7f0000000200)=ANY=[@ANYBLOB="666173745f756e6d6f756e742c62756c6b5f726561642c636f6d70723d7a7374642c636f6d70723d6c7a6f2c617574685f6b65793d2a24d1265d2c66756e633d504154485f434845434b2c657569643e", @ANYRESDEC=r3, @ANYBLOB=',fsmagic=0x000000000000ffff,fowner<', @ANYRESDEC=r3, @ANYBLOB="2c736d61743d2c686173682c000283337d9686f27b505b5bc8a3"]) (async) getresgid(&(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000100)=0x0) write$FUSE_ENTRY(r0, &(0x7f0000000140)={0x90, 0x0, r1, {0x4, 0x3, 0x1, 0x9, 0x401, 0x8, {0x0, 0xff, 0x3, 0x5, 0x4, 0x40, 0x6b1a, 0x800000, 0x87d4, 0xc000, 0x20004, r3, r4, 0x8000000, 0x4}}}, 0x90) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) [ 2178.649696] block nbd5: not configured, cannot reconfigure [ 2178.662263] nbd: couldn't find device at index 2 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000040)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000001"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r1, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}]}, 0x78}, 0x1, 0x0, 0x0, 0x408c0}, 0x20000000) [ 2178.695058] block nbd5: not configured, cannot reconfigure [ 2178.716410] nbd: couldn't find device at index 2 [ 2178.728060] nbd: couldn't find device at index 2 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000040)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000001"], 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r1, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}]}, 0x78}, 0x1, 0x0, 0x0, 0x408c0}, 0x20000000) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="80000000", @ANYRES64=r0, @ANYBLOB="01002cbd7000ffdbdf250200000008000186a828efb6cffccdcaf7383b4e20967a5eba87e55e8e76572aac4e8a00"/59], 0x80}, 0x1, 0x0, 0x0, 0x20000886}, 0x4000010) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000040)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000001"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r1, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}]}, 0x78}, 0x1, 0x0, 0x0, 0x408c0}, 0x20000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, &(0x7f0000000040)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000001"], 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x78, r1, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ff}]}, 0x78}, 0x1, 0x0, 0x0, 0x408c0}, 0x20000000) (async) [ 2178.785500] nbd: couldn't find device at index 0 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="80000000", @ANYRES64=r0, @ANYBLOB="01002cbd7000ffdbdf250200000008000186a828efb6cffccdcaf7383b4e20967a5eba87e55e8e76572aac4e8a00"/59], 0x80}, 0x1, 0x0, 0x0, 0x20000886}, 0x4000010) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=ANY=[@ANYBLOB="80000000", @ANYRES64=r0, @ANYBLOB="01002cbd7000ffdbdf250200000008000186a828efb6cffccdcaf7383b4e20967a5eba87e55e8e76572aac4e8a00"/59], 0x80}, 0x1, 0x0, 0x0, 0x20000886}, 0x4000010) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="0100cab30a2cbd701cffdb0501b5e182d49c41e46044a42824f2df25020000000800010cf2eae577106d9055ffffa40199d94aa64dc06d5b95e47da6e6e619d7a9b687fb9df3eac2532f9c7a4ffe85de8b4823540902615a3a476fbbe6e0f497bb"], 0x80}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wlan1\x00'}) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="0100cab30a2cbd701cffdb0501b5e182d49c41e46044a42824f2df25020000000800010cf2eae577106d9055ffffa40199d94aa64dc06d5b95e47da6e6e619d7a9b687fb9df3eac2532f9c7a4ffe85de8b4823540902615a3a476fbbe6e0f497bb"], 0x80}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wlan1\x00'}) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x14, 0xa, '&\\][$$!{()(-!$.:'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x100) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000080)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="0100cab30a2cbd701cffdb0501b5e182d49c41e46044a42824f2df25020000000800010cf2eae577106d9055ffffa40199d94aa64dc06d5b95e47da6e6e619d7a9b687fb9df3eac2532f9c7a4ffe85de8b4823540902615a3a476fbbe6e0f497bb"], 0x80}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'wlan1\x00'}) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x14, 0xa, '&\\][$$!{()(-!$.:'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x100) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000100)=ANY=[@ANYBLOB="800000002c5018b150c4401a3991a0e545bfbd1742127652de97c8dc163e2e74e8a8960f74a415", @ANYRESDEC=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x34048001) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x14, 0xa, '&\\][$$!{()(-!$.:'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x100) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x84, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x14, 0xa, '&\\][$$!{()(-!$.:'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x84}, 0x1, 0x0, 0x0, 0x11}, 0x100) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) [ 2178.897610] block nbd5: not configured, cannot reconfigure [ 2178.931963] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000100)=ANY=[@ANYBLOB="800000002c5018b150c4401a3991a0e545bfbd1742127652de97c8dc163e2e74e8a8960f74a415", @ANYRESDEC=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x34048001) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000100)=ANY=[@ANYBLOB="800000002c5018b150c4401a3991a0e545bfbd1742127652de97c8dc163e2e74e8a8960f74a415", @ANYRESDEC=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x34048001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000100)=ANY=[@ANYBLOB="800000002c5018b150c4401a3991a0e545bfbd1742127652de97c8dc163e2e74e8a8960f74a415", @ANYRESDEC=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x4, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10000}]}, 0x74}, 0x1, 0x0, 0x0, 0x40000}, 0x34048001) (async) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x20, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, ')\x1a*\''}]}, 0x1c}}, 0x0) [ 2178.978256] block nbd5: not configured, cannot reconfigure 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x20, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, ')\x1a*\''}]}, 0x1c}}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd700002000000290001bfdce0cb6b2c7b970d315c1adf577737e320b4cc77616bc833ffa3cc361327b3ede3316c634594839f41333472caf5f1b5a0af16017fe5514cddd792066860fa8ca1789fbe68dd467f3d52154621b8658e08a66858b01b575d99e025771c4204a146be53a853"], 0x80}}, 0x0) 21:53:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x20, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, ')\x1a*\''}]}, 0x1c}}, 0x0) 21:53:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd700002000000290001bfdce0cb6b2c7b970d315c1adf577737e320b4cc77616bc833ffa3cc361327b3ede3316c634594839f41333472caf5f1b5a0af16017fe5514cddd792066860fa8ca1789fbe68dd467f3d52154621b8658e08a66858b01b575d99e025771c4204a146be53a853"], 0x80}}, 0x0) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) 21:53:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd700002000000290001bfdce0cb6b2c7b970d315c1adf577737e320b4cc77616bc833ffa3cc361327b3ede3316c634594839f41333472caf5f1b5a0af16017fe5514cddd792066860fa8ca1789fbe68dd467f3d52154621b8658e08a66858b01b575d99e025771c4204a146be53a853"], 0x80}}, 0x0) 21:53:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) bind$rxrpc(r1, &(0x7f00000000c0)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @private1, 0x3}}, 0x24) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sched_rr_get_interval(0x0, &(0x7f0000000040)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES32=r2, @ANYRES16=r2, @ANYBLOB="01000000090001", @ANYBLOB="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", @ANYBLOB="1c4b4d783708d7896e601e5da5184ae655b508129bda54cc60228c9f40f5d044b6129975def7665273e0ad1cd7bfe91808fdf6617ed5c37a7a1bbe1b6430fe30a49135a0a2848e6900c66c62e63ff916d2ebfa733ea8bcea8e7137b320050e39b29795a61d98cc38658945f50e9fca1b3538d1d077b7f1d1ff33b813a5131e8947af812b00adf4cb4b0f52bf807a504b14ca3279f06477d6b42975e03641d4596d49002237064e70302abfa541edb47e19cb40d8ef2cff7473289878c8fea37e3445f7a37535e7555cc5d8d39b8970f156bd7dd21a6ab9853037d9a1d00e071cebca5f0c7c7792", @ANYRES8=r0], 0x80}}, 0x800) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) socket$inet6_udplite(0xa, 0x2, 0x88) 21:53:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) bind$rxrpc(r1, &(0x7f00000000c0)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @private1, 0x3}}, 0x24) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sched_rr_get_interval(0x0, &(0x7f0000000040)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES32=r2, @ANYRES16=r2, @ANYBLOB="01000000090001", @ANYBLOB="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", @ANYBLOB="1c4b4d783708d7896e601e5da5184ae655b508129bda54cc60228c9f40f5d044b6129975def7665273e0ad1cd7bfe91808fdf6617ed5c37a7a1bbe1b6430fe30a49135a0a2848e6900c66c62e63ff916d2ebfa733ea8bcea8e7137b320050e39b29795a61d98cc38658945f50e9fca1b3538d1d077b7f1d1ff33b813a5131e8947af812b00adf4cb4b0f52bf807a504b14ca3279f06477d6b42975e03641d4596d49002237064e70302abfa541edb47e19cb40d8ef2cff7473289878c8fea37e3445f7a37535e7555cc5d8d39b8970f156bd7dd21a6ab9853037d9a1d00e071cebca5f0c7c7792", @ANYRES8=r0], 0x80}}, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)) (async) bind$rxrpc(r1, &(0x7f00000000c0)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @private1, 0x3}}, 0x24) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sched_rr_get_interval(0x0, &(0x7f0000000040)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES32=r2, @ANYRES16=r2, @ANYBLOB="01000000090001", @ANYBLOB="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", @ANYBLOB="1c4b4d783708d7896e601e5da5184ae655b508129bda54cc60228c9f40f5d044b6129975def7665273e0ad1cd7bfe91808fdf6617ed5c37a7a1bbe1b6430fe30a49135a0a2848e6900c66c62e63ff916d2ebfa733ea8bcea8e7137b320050e39b29795a61d98cc38658945f50e9fca1b3538d1d077b7f1d1ff33b813a5131e8947af812b00adf4cb4b0f52bf807a504b14ca3279f06477d6b42975e03641d4596d49002237064e70302abfa541edb47e19cb40d8ef2cff7473289878c8fea37e3445f7a37535e7555cc5d8d39b8970f156bd7dd21a6ab9853037d9a1d00e071cebca5f0c7c7792", @ANYRES8=r0], 0x80}}, 0x800) (async) [ 2179.168235] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) socket$inet6_udplite(0xa, 0x2, 0x88) (async) 21:53:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000080)={0xffffffffffffffff}) bind$rxrpc(r1, &(0x7f00000000c0)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @private1, 0x3}}, 0x24) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sched_rr_get_interval(0x0, &(0x7f0000000040)) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYRES32=r2, @ANYRES16=r2, @ANYBLOB="01000000090001", @ANYBLOB="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", @ANYBLOB="1c4b4d783708d7896e601e5da5184ae655b508129bda54cc60228c9f40f5d044b6129975def7665273e0ad1cd7bfe91808fdf6617ed5c37a7a1bbe1b6430fe30a49135a0a2848e6900c66c62e63ff916d2ebfa733ea8bcea8e7137b320050e39b29795a61d98cc38658945f50e9fca1b3538d1d077b7f1d1ff33b813a5131e8947af812b00adf4cb4b0f52bf807a504b14ca3279f06477d6b42975e03641d4596d49002237064e70302abfa541edb47e19cb40d8ef2cff7473289878c8fea37e3445f7a37535e7555cc5d8d39b8970f156bd7dd21a6ab9853037d9a1d00e071cebca5f0c7c7792", @ANYRES8=r0], 0x80}}, 0x800) [ 2179.209339] block nbd5: not configured, cannot reconfigure [ 2179.244809] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 2: r0 = accept4(0xffffffffffffffff, &(0x7f0000000300)=@in6={0xa, 0x0, 0x0, @mcast1}, &(0x7f0000000380)=0x80, 0x800) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000400), 0xffffffffffffffff) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000040)={'syztnl0\x00', r3, 0x2f, 0x0, 0x2, 0x317a18, 0xa, @dev={0xfe, 0x80, '\x00', 0x21}, @loopback, 0x10, 0x700, 0xfffff001, 0x5468}}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000004c0)={'syztnl0\x00', &(0x7f0000000440)={'syztnl2\x00', 0x0, 0x29, 0x2, 0x3f, 0xfffffff7, 0x36, @rand_addr=' \x01\x00', @mcast1, 0x40, 0x40, 0x4}}) r6 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000040)={'syztnl0\x00', r4, 0x2f, 0x0, 0x2, 0x317a18, 0xa, @dev={0xfe, 0x80, '\x00', 0x21}, @loopback, 0x10, 0x700, 0xfffff001, 0x5468}}) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000500)={@private2, 0x0}, &(0x7f0000000540)=0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000000780)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000740)={&(0x7f0000000900)={0x198, r1, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bridge\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}]}, 0x198}, 0x1, 0x0, 0x0, 0x2000c000}, 0x8040) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000300)={'batadv_slave_0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x90, r1, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x5}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x24040015) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x2400, 0x7fffffffffffffff) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r11) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xd41}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r12, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000044) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r12, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:26 executing program 5: write$FUSE_ENTRY(0xffffffffffffffff, &(0x7f0000000040)={0x90, 0x7fffffffffffffff, 0x0, {0x0, 0x2, 0xfffffffffffffffb, 0x80000001, 0xdc9, 0x7, {0x5, 0x40, 0xb63, 0x1, 0xfffffffffffffff9, 0x0, 0x2000, 0x7, 0x5, 0x6000, 0x80000000, 0xee00, 0xffffffffffffffff, 0x1000, 0x400}}}, 0x90) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008000100000000008996f9fd3b9686c25fbec4ca8691259d"], 0x1c}}, 0x0) [ 2179.258046] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: write$FUSE_ENTRY(0xffffffffffffffff, &(0x7f0000000040)={0x90, 0x7fffffffffffffff, 0x0, {0x0, 0x2, 0xfffffffffffffffb, 0x80000001, 0xdc9, 0x7, {0x5, 0x40, 0xb63, 0x1, 0xfffffffffffffff9, 0x0, 0x2000, 0x7, 0x5, 0x6000, 0x80000000, 0xee00, 0xffffffffffffffff, 0x1000, 0x400}}}, 0x90) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008000100000000008996f9fd3b9686c25fbec4ca8691259d"], 0x1c}}, 0x0) [ 2179.295739] nbd: couldn't find a device at index 0 21:53:26 executing program 2: r0 = accept4(0xffffffffffffffff, &(0x7f0000000300)=@in6={0xa, 0x0, 0x0, @mcast1}, &(0x7f0000000380)=0x80, 0x800) (async) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000400), 0xffffffffffffffff) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000040)={'syztnl0\x00', r3, 0x2f, 0x0, 0x2, 0x317a18, 0xa, @dev={0xfe, 0x80, '\x00', 0x21}, @loopback, 0x10, 0x700, 0xfffff001, 0x5468}}) (async, rerun: 64) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000004c0)={'syztnl0\x00', &(0x7f0000000440)={'syztnl2\x00', 0x0, 0x29, 0x2, 0x3f, 0xfffffff7, 0x36, @rand_addr=' \x01\x00', @mcast1, 0x40, 0x40, 0x4}}) (async, rerun: 64) r6 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000040)={'syztnl0\x00', r4, 0x2f, 0x0, 0x2, 0x317a18, 0xa, @dev={0xfe, 0x80, '\x00', 0x21}, @loopback, 0x10, 0x700, 0xfffff001, 0x5468}}) (async) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000500)={@private2, 0x0}, &(0x7f0000000540)=0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000000780)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000740)={&(0x7f0000000900)={0x198, r1, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bridge\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}]}, 0x198}, 0x1, 0x0, 0x0, 0x2000c000}, 0x8040) (async, rerun: 64) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000300)={'batadv_slave_0\x00', 0x0}) (async, rerun: 64) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x90, r1, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x5}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x24040015) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x2400, 0x7fffffffffffffff) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r11) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xd41}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r12, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000044) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r12, @ANYBLOB="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"], 0x80}}, 0x0) [ 2179.323832] nbd: must specify an index to disconnect 21:53:26 executing program 5: write$FUSE_ENTRY(0xffffffffffffffff, &(0x7f0000000040)={0x90, 0x7fffffffffffffff, 0x0, {0x0, 0x2, 0xfffffffffffffffb, 0x80000001, 0xdc9, 0x7, {0x5, 0x40, 0xb63, 0x1, 0xfffffffffffffff9, 0x0, 0x2000, 0x7, 0x5, 0x6000, 0x80000000, 0xee00, 0xffffffffffffffff, 0x1000, 0x400}}}, 0x90) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008000100000000008996f9fd3b9686c25fbec4ca8691259d"], 0x1c}}, 0x0) [ 2179.362923] nbd: couldn't find a device at index 0 21:53:26 executing program 2: r0 = accept4(0xffffffffffffffff, &(0x7f0000000300)=@in6={0xa, 0x0, 0x0, @mcast1}, &(0x7f0000000380)=0x80, 0x800) (async) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000400), 0xffffffffffffffff) (async) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000040)={'syztnl0\x00', r3, 0x2f, 0x0, 0x2, 0x317a18, 0xa, @dev={0xfe, 0x80, '\x00', 0x21}, @loopback, 0x10, 0x700, 0xfffff001, 0x5468}}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000004c0)={'syztnl0\x00', &(0x7f0000000440)={'syztnl2\x00', 0x0, 0x29, 0x2, 0x3f, 0xfffffff7, 0x36, @rand_addr=' \x01\x00', @mcast1, 0x40, 0x40, 0x4}}) (async) r6 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00', 0x0}) (async) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r6, 0x89f1, &(0x7f0000000100)={'ip6gre0\x00', &(0x7f0000000040)={'syztnl0\x00', r4, 0x2f, 0x0, 0x2, 0x317a18, 0xa, @dev={0xfe, 0x80, '\x00', 0x21}, @loopback, 0x10, 0x700, 0xfffff001, 0x5468}}) getsockopt$inet6_mreq(0xffffffffffffffff, 0x29, 0x15, &(0x7f0000000500)={@private2, 0x0}, &(0x7f0000000540)=0x14) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000000780)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000740)={&(0x7f0000000900)={0x198, r1, 0x300, 0x70bd25, 0x25dfdbfd, {}, [@HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bridge\x00'}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}]}, 0x198}, 0x1, 0x0, 0x0, 0x2000c000}, 0x8040) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000300)={'batadv_slave_0\x00', 0x0}) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'batadv_slave_1\x00', 0x0}) sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000440)={&(0x7f0000000380)={0x90, r1, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r9}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}]}, @HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x5}]}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x24040015) (async) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x2400, 0x7fffffffffffffff) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r11) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0xd41}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r12, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4000044) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r13, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000007c0)=ANY=[@ANYBLOB="80000000", @ANYRES16=r12, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}]}, 0x20}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="000429bd7000fedbdf25010000000c0075b9995cf1e1f3ca00000c0003009763b3c3850407000000000000000c0004000600"], 0x38}, 0x1, 0x0, 0x0, 0xc000}, 0x4047) [ 2179.394888] nbd: must specify an index to disconnect [ 2179.407959] nbd: couldn't find a device at index 0 [ 2179.432810] nbd: must specify an index to disconnect 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}]}, 0x20}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="000429bd7000fedbdf25010000000c0075b9995cf1e1f3ca00000c0003009763b3c3850407000000000000000c0004000600"], 0x38}, 0x1, 0x0, 0x0, 0xc000}, 0x4047) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}]}, 0x20}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="000429bd7000fedbdf25010000000c0075b9995cf1e1f3ca00000c0003009763b3c3850407000000000000000c0004000600"], 0x38}, 0x1, 0x0, 0x0, 0xc000}, 0x4047) (async) [ 2179.486383] block nbd5: not configured, cannot reconfigure [ 2179.515568] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}]}, 0x20}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="000429bd7000fedbdf25010000000c0075b9995cf1e1f3ca00000c0003009763b3c3850407000000000000000c0004000600"], 0x38}, 0x1, 0x0, 0x0, 0xc000}, 0x4047) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}]}, 0x20}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r6) (async) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="000429bd7000fedbdf25010000000c0075b9995cf1e1f3ca00000c0003009763b3c3850407000000000000000c0004000600"], 0x38}, 0x1, 0x0, 0x0, 0xc000}, 0x4047) (async) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c9b626a3c7413f2d39c10795ee99520cebd000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008000100000000008bde907592d2d843fb34123b7c72886d91676ad573bc5c1489841fc236d1cb5c6cb570c3be39eee94e0a9325b04b97b8c85a7d4ece075eeacf9f06703daae10db369c8afcba4c55612a8c9e7b3469a8f9682d4adad417c4da4d1fdfe77a581e144c71d9d537970b24d3d983f61fb669f942b24130edf4d765b458dd0b111771e5000a5a4549074f29be30ea9558e3640134d652704ef5ba3c178f3c99bb10fe7119923b3fd266c7abc603e30d48217f2ea7f7310dc3bc1d07ac050edcba62bf43c0ae8c8117413c6d81b89b570cbf2cbd69e419aee1b300155c2b757ea967b77d108afb35fcb20dcdae2e9763babebe66854e72f060f0ad77d968f"], 0x1c}}, 0x0) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c9b626a3c7413f2d39c10795ee99520cebd000000", @ANYRES16=r1, @ANYBLOB="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"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c9b626a3c7413f2d39c10795ee99520cebd000000", @ANYRES16=r1, @ANYBLOB="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"], 0x1c}}, 0x0) (async) [ 2179.569981] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c9b626a3c7413f2d39c10795ee99520cebd000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008000100000000008bde907592d2d843fb34123b7c72886d91676ad573bc5c1489841fc236d1cb5c6cb570c3be39eee94e0a9325b04b97b8c85a7d4ece075eeacf9f06703daae10db369c8afcba4c55612a8c9e7b3469a8f9682d4adad417c4da4d1fdfe77a581e144c71d9d537970b24d3d983f61fb669f942b24130edf4d765b458dd0b111771e5000a5a4549074f29be30ea9558e3640134d652704ef5ba3c178f3c99bb10fe7119923b3fd266c7abc603e30d48217f2ea7f7310dc3bc1d07ac050edcba62bf43c0ae8c8117413c6d81b89b570cbf2cbd69e419aee1b300155c2b757ea967b77d108afb35fcb20dcdae2e9763babebe66854e72f060f0ad77d968f"], 0x1c}}, 0x0) 21:53:26 executing program 5: write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2f, 0x4, 0x0, {0x4, 0xb5c, 0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x2f) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendto$rxrpc(r3, &(0x7f0000000040)="e9d727b3a07ac8c3f374e088374aa005bec25c9790e11b9b522fdf19b974255824154369408cd5bf15cb81ae6e68f8ac44147b", 0x33, 0x0, &(0x7f0000000080)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @remote}}, 0x24) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:26 executing program 5: write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2f, 0x4, 0x0, {0x4, 0xb5c, 0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x2f) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendto$rxrpc(r3, &(0x7f0000000040)="e9d727b3a07ac8c3f374e088374aa005bec25c9790e11b9b522fdf19b974255824154369408cd5bf15cb81ae6e68f8ac44147b", 0x33, 0x0, &(0x7f0000000080)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @remote}}, 0x24) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2f, 0x4, 0x0, {0x4, 0xb5c, 0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x2f) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendto$rxrpc(r3, &(0x7f0000000040)="e9d727b3a07ac8c3f374e088374aa005bec25c9790e11b9b522fdf19b974255824154369408cd5bf15cb81ae6e68f8ac44147b", 0x33, 0x0, &(0x7f0000000080)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @remote}}, 0x24) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) [ 2179.842141] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2f, 0x4, 0x0, {0x4, 0xb5c, 0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x2f) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendto$rxrpc(r3, &(0x7f0000000040)="e9d727b3a07ac8c3f374e088374aa005bec25c9790e11b9b522fdf19b974255824154369408cd5bf15cb81ae6e68f8ac44147b", 0x33, 0x0, &(0x7f0000000080)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @remote}}, 0x24) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2f, 0x4, 0x0, {0x4, 0xb5c, 0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x2f) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendto$rxrpc(r3, &(0x7f0000000040)="e9d727b3a07ac8c3f374e088374aa005bec25c9790e11b9b522fdf19b974255824154369408cd5bf15cb81ae6e68f8ac44147b", 0x33, 0x0, &(0x7f0000000080)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @remote}}, 0x24) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r3, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4000002}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x50}, 0x1, 0x0, 0x0, 0x24000020}, 0x30000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4002) [ 2179.895536] block nbd5: not configured, cannot reconfigure [ 2179.926755] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r3, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4000002}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x50}, 0x1, 0x0, 0x0, 0x24000020}, 0x30000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4002) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r3, 0x800, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4000002}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x10001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x50}, 0x1, 0x0, 0x0, 0x24000020}, 0x30000000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4002) [ 2179.957423] block nbd5: not configured, cannot reconfigure [ 2179.992083] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, 0x0, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&*'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) socket$inet_sctp(0x2, 0x1, 0x84) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00042dbd7000ffdbdf25050000000c0008000800000000000000000c0006000300fe44000000000000fa004e0966f5d652c57cefa1675ed1c013778473e0d93031340da1c3181263045514872b10595b1c301b87404d751484ade4dfcf5ca5d2deaa2a1cdac8ba73bc782e60042e8f5935a77f38b71d0796c573bdf3f6800fd73a85ea95c0"], 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000804) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r5) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000741e01c2e293e5f58db455", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, 0x0, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&*'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) socket$inet_sctp(0x2, 0x1, 0x84) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00042dbd7000ffdbdf25050000000c0008000800000000000000000c0006000300fe44000000000000fa004e0966f5d652c57cefa1675ed1c013778473e0d93031340da1c3181263045514872b10595b1c301b87404d751484ade4dfcf5ca5d2deaa2a1cdac8ba73bc782e60042e8f5935a77f38b71d0796c573bdf3f6800fd73a85ea95c0"], 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000804) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r5) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000741e01c2e293e5f58db455", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, 0x0, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&*'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) socket$inet_sctp(0x2, 0x1, 0x84) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00042dbd7000ffdbdf25050000000c0008000800000000000000000c0006000300fe44000000000000fa004e0966f5d652c57cefa1675ed1c013778473e0d93031340da1c3181263045514872b10595b1c301b87404d751484ade4dfcf5ca5d2deaa2a1cdac8ba73bc782e60042e8f5935a77f38b71d0796c573bdf3f6800fd73a85ea95c0"], 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000804) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000741e01c2e293e5f58db455", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) (async) [ 2180.020645] block nbd5: not configured, cannot reconfigure 21:53:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, 0x0, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&*'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) socket$inet_sctp(0x2, 0x1, 0x84) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="00042dbd7000ffdbdf25050000000c0008000800000000000000000c0006000300fe44000000000000fa004e0966f5d652c57cefa1675ed1c013778473e0d93031340da1c3181263045514872b10595b1c301b87404d751484ade4dfcf5ca5d2deaa2a1cdac8ba73bc782e60042e8f5935a77f38b71d0796c573bdf3f6800fd73a85ea95c0"], 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000804) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r5) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000741e01c2e293e5f58db455", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c002000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c002000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c002000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) (async) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c002000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:27 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$nbd(&(0x7f00000000c0), r0) pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) socketpair(0xf, 0x3, 0xfffffffd, &(0x7f0000000140)={0xffffffffffffffff}) r5 = syz_open_dev$vcsa(&(0x7f0000000180), 0x7ff, 0x101800) socketpair(0x25, 0x800, 0x3, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x2000c041}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB='\f\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000842b36ea245211d2002300000000000000000189b5"], 0x1c}}, 0x0) 21:53:27 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$nbd(&(0x7f00000000c0), r0) pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) socketpair(0xf, 0x3, 0xfffffffd, &(0x7f0000000140)={0xffffffffffffffff}) r5 = syz_open_dev$vcsa(&(0x7f0000000180), 0x7ff, 0x101800) socketpair(0x25, 0x800, 0x3, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x2000c041}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB='\f\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000842b36ea245211d2002300000000000000000189b5"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async) pipe2$watch_queue(&(0x7f0000000100), 0x80) (async) socketpair(0xf, 0x3, 0xfffffffd, &(0x7f0000000140)) (async) syz_open_dev$vcsa(&(0x7f0000000180), 0x7ff, 0x101800) (async) socketpair(0x25, 0x800, 0x3, &(0x7f00000001c0)) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x2000c041}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB='\f\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000842b36ea245211d2002300000000000000000189b5"], 0x1c}}, 0x0) (async) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async, rerun: 32) pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) socketpair(0xf, 0x3, 0xfffffffd, &(0x7f0000000140)={0xffffffffffffffff}) (async) r5 = syz_open_dev$vcsa(&(0x7f0000000180), 0x7ff, 0x101800) socketpair(0x25, 0x800, 0x3, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000002c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x54, r2, 0x800, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x54}, 0x1, 0x0, 0x0, 0x2000c041}, 0x0) (async, rerun: 32) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB='\f\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="010000000000000000842b36ea245211d2002300000000000000000189b5"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc050}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc050}, 0x0) [ 2180.373715] block nbd5: not configured, cannot reconfigure 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc050}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4004004) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\')\\'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x8840) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4004004) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\')\\'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x8840) [ 2180.414116] block nbd5: not configured, cannot reconfigure [ 2180.452290] block nbd5: not configured, cannot reconfigure 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4004004) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\')\\'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x8840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x200, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x4004004) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\')\\'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x8840) (async) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) [ 2180.570681] nbd: couldn't find a device at index 0 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000"], 0x1c}}, 0x0) [ 2180.612439] nbd: couldn't find a device at index 0 21:53:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x50, &(0x7f0000000080)) fanotify_mark(0xffffffffffffffff, 0x10, 0x11, r0, &(0x7f0000000100)='./file0\x00') r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_INDEX={0xfffffe41, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2180.658011] nbd: couldn't find a device at index 0 21:53:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x50, &(0x7f0000000080)) fanotify_mark(0xffffffffffffffff, 0x10, 0x11, r0, &(0x7f0000000100)='./file0\x00') (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_INDEX={0xfffffe41, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x50, &(0x7f0000000080)) fanotify_mark(0xffffffffffffffff, 0x10, 0x11, r0, &(0x7f0000000100)='./file0\x00') r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_INDEX={0xfffffe41, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) [ 2180.808686] nbd: couldn't find a device at index -1907581829 [ 2180.844124] nbd: couldn't find a device at index -1907581829 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) [ 2180.865597] nbd: couldn't find a device at index -1907581829 [ 2180.897091] nbd: couldn't find a device at index -1907581829 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) [ 2180.938333] nbd: couldn't find a device at index -1907581829 [ 2180.965379] nbd: couldn't find a device at index -1907581829 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="011a2cbd7000dcdbdf2502000001080001"], 0x80}}, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f000006c900)={{0x0, 0x2, 0x5, 0x5, 0x2, 0xa1, 0x200, 0x38, 0x2, 0x7, 0x3, 0x7, 0x100000001, 0x1, 0x8}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006d900)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006e900)={0x0, 0x0, "ddbdb77b814f18d28fa90719ff2e0af6c1f32b0c54eaac3970066fa344b4c0f422a5ecca7ad7236415dcac8246b021255a4815f8f3a41f0425e748bc6072187275e36ed14f02dcbfd1372451691fab86f292d7a95f068d57af8dd2e9a188ea2ce1370ae3a9d4b75a01b214e8e0766dd41724d2848065c5eba8742b52324fdc62324a242c79d375ef8f6bc1906cfe2dd07fb37275ef37f8fcdec436221bef9d60e9a4c4ac9cd5461e4969100de07c2423519e0aa3ece4816162f7b0feb3f512d097c707f66d977a4676610fa4900a531dfa442c71c601d940cafeae24b6dace674d653303331cad9cdf63d28c9cb7211e38896a1eea8382c9cb8a72254fd745af", "14eac3205df9c62e5de2e5e312324352addabf4c54f9bc15f2ec6f70e363efcdb0b68ef2f1f6a2c3916c8db3ceef5ac1c44cd051ea593452f1db2e6ace50afca0dfa9073c4aea848d4015c6eb37d06a78396f78f98766dd39f30efd10f0e0239906bd13bb59473356d8f29ce81213491ae6965e39180b1e491f1189fceb24c43a7af48b78bd51dc19ef8678f3de27f4e92f6e64145dbd0e7988f2dd67bdd64144105dc20787a8a9608b48e543e399a2f809adbd7013173a2409861d92a8d5e16d42965d5d7608e3a24e51ea1fd7d487260910d0cda30937eb9db68175d9b1803fd17a82247a4385f2b6cc5f7f89199f8eb61fd73b17d3d77f2586c3c0f35ac6fe5e768833969d325e42caea16157800de1abd59c9dc7f2a2f65a84f0922811bbbcb25ba1f9ab5aa182a421fa4ce57bba0580a63629d9f0e13ab909afb0e3cf657bcba8b58200368f81215e755dd0339070fba59c3f5a3a0850a6cf414b71358228d3aeca1e427e86d2cd3be593023a0f8d7b170babbc04177a214f1df1270eff0c858dc9f96d2d342b42133dfa17c844364bcf4cdc731ed9211110d9042150509d94d2a6137dff2150b73bb3c80db40d74489233d0054d7337909ebb3576437ed9555235d8b3465b82b60636f04e5fe29639ef517d4c8ce06c74c280d348a274ec3306fd9b45f223ebb7083897100e8df3350fa5000bda5b7a1a0925e09c554595c0a71bbd1b8d4b586e7c908dad3f505cc968cae63119d1d8da3e7f38285e777a78261c13ffd7973200ada2ebd7558381be8c9c6cf75a7f575c738848b1187eed212e43168cac7d7df1da28e7394ded50ff4e71810d725bde58670da9f41c477a331b0395068998ea358ae2738fc3e35de82003c4db577172413d1e4882d0eac51c6d09024e80968407d51d0d4ce8d34bdcd777222dbf1e105aade18da9e1d53fc7bf93fa84bbf2db7e7fc3570bc8d4e695246a1c80509e5240894bc2cb474579468347c8433bba03615f1fdc6a07f1e83f38e3b58a98d84d9a56d4e83c910692dff17a269b0e2bd9d40300635297356ad2754cd86c2d8ab3198d8316fc254f92cf5687208aa1e20f096f485f7bccd6e07097a94d30bdcde4b947a71eebc3137ac19f402b746b3eb7f77b3cfd809bbf088785004da67e90729a180a3e03db539b2ae0d340a55685eb1d546b1ae1aa04e0ea94e0c053049ed5ea2dea5d94a932d4b98287db543256878df9c8642901fdf350d0b9cb88a880f26f261c0b854b8095b88a19af1e7cda15943c8a04c43dd56b6b5396e3f22fba4f8db78500dcb1639ef3915a7758bc41406ed00ab2c03a51d1e563ffee348d0b99abbfcb348d8df1a8956043ac9b07236c8d251c4dfcdad5c090512e04cc5bb6dc527e5047ea69137775083251e3bfc31b60d851ecb181c852612bceed45752f3ceaad0721b4a335ca3c7988c9d78d7e41eecc5691ca099a982403268d6dfed972aec4a5bfa2f9a62c33a6705c948c4084eaef37f67dce5a4d69131d8cb755d8b279784e859ff487f20f8420463fca69477ad3b01b4c90cf88aad0e1de1a00d1a0f543350870273fc4870652fc4e9f5c0c527bbb979ce505fc3d8468b9f4250b30c60d32f1c3a07c76196ce3b8a220da819f1111f46009cd3e2254f611099dd437891d843b1d422af799af69238f70adac2ab69ebf4eca0262ec651267eab49b9aa77c79ffce08b585ece8f90578cd7741238e335af870ead9c898241f040c7a65a9ab6e9f1ee79ff12e9a537c8462dfbeb1708c9c2fbeb5f04eed2b5f1101cf1ec84166fbcd86c08f12f52652a93751aebbae0513ea898acbeea796091a76dfbeca398f22d91083e01b6bcb6ac928013bd1cea10fc793e2e565165cfbf56cd9dbdabfd8748884613a3ee43ab89ae22eacb57adba11cd55e5a685b5d8c73c97d82d5fee9ac419c229ede32f06b80fc0fdb0f3da2b0d44707b05c305383b91b831654fa99a75bb05fc79b7dafdd2532dc02ac030ab28d82a904fb19b98a3633927599a95014d0b3a4f81ff5949b688f88f28bf43766e52122158c7a6fbd272d4697d914133368809fbce57440679a403b299470e0a300ccfb0556a5b482adf8bfe7684099b9a57806a363e247439cdf220ea133b032dcf4530b44c47d46ac3fb26c753771694e925ca981a865831c52413eeed2f427351f57a5f211e35be0b5d1fc6d87e393a1db311f2b325431113de26de4e7878bfcaed014324a7098c57f0454ba22158c79db0b57ee97683fbab88739b32cab89f650d7c3650cd27f2dca1e185abd9c9045529f9bd3f124351af10b6b4f2c90b4b6db3446a105c05e695a6fbea0b4fd44aa7b733a56cc8de70ffaa06e058cf01775b6fdc8dab8096732fde5567afb88aaa61575b8891c5ff954a07b0d484ac59ca59f3c4ec800d4ae9b39307e35c0fca78d24e5aa1bde76be5c843a991395abb0186e7ddc404d2d358ca5710236c661a4447c431472395e57a288795ef97a34fac272b629f75af351e17016ab2b266fcd7507ebecbaade80cb759ebdd2214f6bf3351f5490e94104f38b8ece9ba68d2c32feba4448eec165c2857f7f48ba1e2db048bb5fab85051583e8ba28c195286a5729ca0feae85c7f4faa43eb5c446be444a2fcb594519f779418ad74f7b1a277910b6dfe9b88c5f7bb77f78dac660d08619cf1d8e4369fa3fabfaafd6a5de4e69c439bc50b26d6f89866b95418c42c4c4d88d60d851b3c78254e9d57b2dde00799bd7f03cac1571a44a61aa9bd1569da57f056fdd13e6a9d3c3d123510c31f60638c73e1b81b96b54abab1540bcd871d1ee94d441db6e6130dae09a8e93ad3c076078351859f02b536869a81e054078ef26ee803e2e2cc4958a35fd1308498e05ad666bd61e8cf55be06a62a2a0638c54ee981c78672a6a0f3afdf1c5f136485f40d30ddabd4ffcaa9074e180599b0bd28f2af1faea436fc454e83f5f34245a87530b2f18dcff94ed37609944c0c985629ac5a7e4c32bcc7334ad11b3ed36af0dd7a7d84d02aa9d13cb82c9c52270415d98675cd2fa9ce83f30887ce662a9f372624bef49c0979b0b7c8e6893bd2c6a4b18954dee9a220535098bbf4f63a1ce3e9fe3e44e70b9f2823bdc2388a7d967f7c9739a56497f949e6e697a04586de7e2f71ea143ce381bc4c4ce3d727d9ce6ace26d0edf204118d5af1b69b5f4b91c1c4d62cf2b0e6956712a7a4ea01a84c5b2bd5e4110d163575e504dc023198eeb1f049ca6095b8e2518350642465dcee634a4e9b533d6f33b919510e898639d0a1a79d4423757dde8c7947497045a9de660cdbdaf4e28eb85895001761847bb3f504fd23f6334489a114dce4638d9691f1cfa0a342672d050755e4e0bc56b2f96fb6985b26292ab3883cc208a34c8e3f6e35eccf0e7e212f9d5cbb86b842df43471483dacebbf11f81197277c07884485f7fe1745a79a12f0d9971f1b81e643d2dde7b894fc74621700da4740849622e6196e6a3d2a686732340d122c9fa3ce5278ada95c52e3a9fa4c1ee743416429f400b215ace4adc977c7be74a4e351cc06aae69ebdc04d90cb9e40445df6f7b97df5a9ad3b21ded6ebab5bfff57b7e1bfd6089ae9aed254207a2bffae8917ab6336a257479baf00461e9ea58574e7753d41efbe20436ed4147e73daa50a470d56ef9af4e161ea6b90dc2a72e022bb297a446d902d6093e533fedf2f91f7c59bfaa663ed0116e90f8dd25474ae14f82686ecc8265e053b3682b31dfc1f0ac28f784849385fe198dfdbb7281bde57c6b104236b66ba6ae37debd8949ad39c51f39c7c49b3938962e2ed64df9d787b12ce2ccd8022d3022a72e0028393064dc4a6ca66ca38f9c582840d64cadebfb2eba452fbdc146b83fd4057bfeb7d6d84e10e42bebe00a7c57efcbe92bd49acea5eb589b574ca25e6d7c48d5f4562608620fbc171e40348d58e352c5d52aff94c097c6f81dd98efcabdad15827877f889d54e612c7d32304e46dbae0750b39ff41ff61992b88c6b748f20cc926b728cbd5eb5d00b78b09c225780517f602a660455e8df1bb5b7e792487fc2b373df6ce1daf774962a51a13a76c96b18f3bb21c390a44dfae02e4da6dfdb511132b89913e1d689c13b63799b646eef9c041c75954493312fe59d6bd56f775c550e618c24019517110f466b9ce9abc670d8bc0c580805f891797db9d6ddec940231b3f10611a4bffc6e33754a2f2f7a45e7645f6cf0ce06710f256f12f0360c4a36c3820c312b1298e8ab12e9a52cedb47b6235a0543445574288cf63b69e7dc815351a156ea704f996e9249f87f6c226c1472a8efa6e299ffd6d43001bafa529f1d6a832ae37ee0668816b864130d06653ab31f2b6ca75ec0713076e78d6706ff5d4e7b636bf3624b4035ab65116ad3889a5c0b1da1f108e75649ca0fb544a4573b5f9c58ffdb839b69969f58fa73a7863632714d39add8d2103f0839e97338708a234396ef3eae04227c9fca725e9efb6c83d80892f28798f6bb6e87f88dd5366b926cca29b82dc14c6ff4630f04386c7ee94374d7be984a13ca6ff822d9aa5a07ab3c1e402ac5c8e7a84a2d66bcef876efc8e92c98918822cc38a070a1e28831f67f11fc79165fb96f1707e2dbfd3456051b48bd354e8dffa306065790f5724f4f0e87a3f0b08f1ad6122256a3f34d558da02ce39b64952c79eb4f0277f945b9c784ef25b4d4e3c8e732c58429046008b18993e70133ba1ad40568d6a8e0bbd3c12022f0f98923ecbed8866b27792da992bf466bb064baeed9ea228aee65e2aafa2bf1bd9b90f481be4a1ad627b19ce57d020341ff8f95c2a66427a2a539a2e06bfd0c6334b74acf6152475f3cae943aa896542f8896937cbdac591d63b8556243758c46693a913a1b8e1e68c0f84d8ddccd8ca581a74883fc6937b603a3b75624d06f3ec20213d642671db8ed369e50c23e546631fd9c8adc21647e377cf1b11ff3babfb669ccebac679d0f504df6a4b79bb3b52d98fbed1534767f4f20fb95e2392cedd4565dc45b4fffb22e01de3e5ba7068d9c9229fcd4ace01efaa634f15683b1c19397d2c891b41a7e8cbde0ba193485ad2c35d409280a230b90633b239acdcabef99a1c553dbdaa85b45d5c2e096184573650cbacac129f14e8ff8e52c3a82ded70ba0b94137972294d052729c579165fd72b8e61d4ce55ba7b51a3639dbfa03b2ff5e8173e3cb558830b8d5e225ea3c6d920ce6dc6dfcb1dcfac9479226ecd0365ad4aa6c7740d6fbaac31fb32f55fab56f7b005c6cc8962a3167c0377a24d8a6dbb6dd1fdf1f8eee07c172a8d49b3fa0c4f3327d6c605a4fc744f30950bad4841123fb454c8c88a582733b9ee908ce9e82fe928a284d725ecb3b4afdb844e4f37f9adb2dc5b7"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006f900)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006fb00)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "33152860889b45"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000070b00)={{0x0, 0x2, 0xe7d, 0x4, 0x20, 0x80, 0x6, 0x0, 0xff, 0x8, 0x20d4, 0x1ff, 0xfffffffffffffff7, 0x0, 0x8000000000000000}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000071b00)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000072b00)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000073b00)={0x8000000000000001, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x2e, "85379aa9087ab5"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000074b00)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3f, "77f9171278cb18"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075b00)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075d00)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075f00)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000076100)={{0x0, 0xfe9, 0x7f, 0x0, 0x4, 0x61c, 0x1c000000, 0x80000001, 0x20, 0x1f, 0xfffffff8, 0x1, 0x8000, 0x11ef, 0x800}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000077100)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r3}, {}, {r4}, {0x0, r5}, {r6}, {r7, r8}, {}, {r9, r10}, {r11, r12}, {}, {r13}, {0x0, r14}, {}, {r15, r16}, {r17}], 0x0, "713f19bde2d479"}) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="011a2cbd7000dcdbdf2502000001080001"], 0x80}}, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c700)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f000006c900)={{0x0, 0x2, 0x5, 0x5, 0x2, 0xa1, 0x200, 0x38, 0x2, 0x7, 0x3, 0x7, 0x100000001, 0x1, 0x8}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006d900)={0x0, 0x0, "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", "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"}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006e900)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006f900)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006fb00)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "33152860889b45"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000070b00)={{0x0, 0x2, 0xe7d, 0x4, 0x20, 0x80, 0x6, 0x0, 0xff, 0x8, 0x20d4, 0x1ff, 0xfffffffffffffff7, 0x0, 0x8000000000000000}}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000071b00)={0x0, 0x0, "88938701b3c734064039d92c37a14d964e4c9b77c253e4540ef9f1fde5a97dd8c9bc78ce4837849a9b6f4a9dfea1791516ae4c740beb3905772f85ed6cba2707e04dc3f00813b6cb0d925602db1337740d21f3f8aa494f852304f9f9731dfe78dfaf226438f995b51512d863f413a22a696a1c4b3e10ac9cad57c9c898bf2ecc7e0918a4093e694e8be637a5d33b5c19ee2438806f048408db4699abb762c63ad4466543017456d8d7d27ebdf3696cae10f6cd5aa192301c1ec9980a9db6652dafc2320b233465e73e52db880465006dd55b11ba7e141bf699792c99f3fad4f5c80bec43a62c61a9ee4c37be043f0cc4af5fcf0648086b4d52f2b6c5da333d0a", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000072b00)={0x0, 0x0, "fb2ebc0d153e800865b5fae239c6c7542cd6638ef22ba8bb7c1cd93d832d99966ff3f388fea4cb62031b9acab2f36013123cc84da602925f65a94595756e10ea07304c1855db21d60c7882d33563ab26c63f67a2a8bb3deecd9bf08f0a811b6a2696de15d9b8da6061cf2ae797018517b64aa4f7b27835323963bd7d973f45baf3ec258db43917e461b7370b19ae06d91a065b31571d0fcdf9753975eeb1baaf4420f0742302ffc4719f675e4eeaca2ed384f18a01cb7c6428d2a36d4cb51c6aabbd9adf29cc9d8e2c033f6fb735b836ccd445b01935eedc52f4a5e45e6271b704b03c51a416f22b3d4847175806b0ad898f6b70a5a778701085425a70926d6e", "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"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000073b00)={0x8000000000000001, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x2e, "85379aa9087ab5"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000074b00)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3f, "77f9171278cb18"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075b00)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075d00)={0x0, ""/256, 0x0}) (async, rerun: 64) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075f00)={0x0, ""/256, 0x0, 0x0}) (async, rerun: 64) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000076100)={{0x0, 0xfe9, 0x7f, 0x0, 0x4, 0x61c, 0x1c000000, 0x80000001, 0x20, 0x1f, 0xfffffff8, 0x1, 0x8000, 0x11ef, 0x800}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000077100)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r3}, {}, {r4}, {0x0, r5}, {r6}, {r7, r8}, {}, {r9, r10}, {r11, r12}, {}, {r13}, {0x0, r14}, {}, {r15, r16}, {r17}], 0x0, "713f19bde2d479"}) [ 2181.494626] nla_parse: 18 callbacks suppressed [ 2181.494632] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2181.507984] nbd: couldn't find device at index 0 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="011a2cbd7000dcdbdf2502000001080001"], 0x80}}, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c700)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f000006c900)={{0x0, 0x2, 0x5, 0x5, 0x2, 0xa1, 0x200, 0x38, 0x2, 0x7, 0x3, 0x7, 0x100000001, 0x1, 0x8}}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006d900)={0x0, 0x0, "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", "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"}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006e900)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006f900)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006fb00)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "33152860889b45"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000070b00)={{0x0, 0x2, 0xe7d, 0x4, 0x20, 0x80, 0x6, 0x0, 0xff, 0x8, 0x20d4, 0x1ff, 0xfffffffffffffff7, 0x0, 0x8000000000000000}}) (async) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000071b00)={0x0, 0x0, "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", "f98c32aa7470813a01988bf5f7d8021c376d13db58f786d1677a6b6a8407c400d9c1227c95ea5e7b7590505afac9f7a93c75be58f878ea1e3740b3176c9938acf2bffe7c5d2f07fb267c6175ff98346135fa3726d7041f878e9587a87f85f8fd797e5f68092c5a2a231ee0d11464873aed15e6c6dc8cd0521461d76d87026528cdef3eeca478bdbe32be60e622d817b939d302ebd96ec59475d99e800c926253253817439ddbd0194bc377a2f6db9cdd2ffc9520a5ce6d708de913f70660c3e6781769ca7293082a409a23a58187c85006a423a7e659eaa15b526299159536e3acff2f17d63928a30c2862f00fa8999bfd10c769d59b4bca6eb4ed820ee6d66cf04a559a6770bed86dcf5859a14c385515b9063d5b3e67dcbf7a16e5315c027ddccf1666ac0aa4c3489f6e110683daeda45ac54cf5f557458a90e7b35f67db127d0b80d767936722f5f1861443e3ce601905ba421f7a7d808b61feccfd92203615fc2e3d6610dd4bbf2fe31ef7cb216fbfcc62b477031d5810cd9bb89ad1dc5683249980614cd76d51b6daed83354ed933b9294363d4feaa2aede667c76f9c07c24c89cdf96cc5c7708810128e2e865afd6f889c66a1d5c98d68c1ef82a6fd011529914a36b8a6d064a18c3e60717c0f2488c40677c95dd1c200c9f0238a9f6d59450d7233cd91907496ae7c883aceb653b08338f31dd3d45a6fee9dc4560ddc9c72679f41a71909bed8209c9204b3310d827b72b83109c97624348508647f44784a1fee7cae1aefe1247b83ba8d6dbcfcf0eb0dff26363eb6427463d9126f1e93d1bb6f3a412d154ac99cac63be36e25a8577ce2959492cfd282f91534145c7ec4baf2fb2a0b57f191757f5a500ae57a328d88735ede245c62b9a6726bbcbfa31e149f89ed57e92e861289582927b19cb427d92f84b6a0eae05cd4787bce24099323586726bcf24278c62e600fbd1d102f97261d218f3535df7319098862b00d85dd892c9c1ccf9e76d3ad65309e1eb16fcef6dd7060bbb323c0e1340c59a4afe6374697e3588908f23e7ebc93b44d8405c31e7e0f86206691317ba0eea8ef4ef6af42114c4361f97d111e57861333dd831920d6eaf18a7f2d2cf27fc56ea2c48774ced05c15b4a6499c9b50cd1b486e89cf20648674f754143bd9118f1711abc2c08c14728ca42661932840b72ad6c2e5a3b910a860c9bc9374cab92392a272db01fde3fe832b7fb5582d0de8c965b81f3880b6d1a7c74fa2ffc8851a77d8a27ba8f8591d9b02ae5343ca0eb01a87055f72e3eeef61b0922d01487fc5ea4f8254b19e426606e5fff3519102b561cfb4554745401f0eb5b8625585f792031e6ce3137d971b064b3834116285bbaf6eacc3b114f95e619dcc78226d5a830606410b07d50b9ae745c710d2a92498e9fce0327a6d83d7ddfb37d768aae5b65430624ca2a2a53a6c0d28f7a26a6e895448c6377075bc2e98dc48759c1938b76624966697cc8c5147f7c487e102f9878650fb40d7dc4b763921e4b2d8aed40ab3e0ecbf60e25d3d9f7c40cefbf45cbe7a8c4cb3f64fbde1afc24b255b6f6da194f49de96fa7c39248fcb74ead3deaf466a38a9a823d81048b1a8db30db8a345ed00ea5a1e205b9880a5e9975b2b716bf64797b12c88facc718676c5a9816b25a1f3c41116668801b0b65d2bf7c77453340ff7d9c19433e708c6b872ec76d52711e0946f58327f4b76f0472dd1bfd5f2778d50fa6b86cc654f62adf1da93ce327b528cc1634b0251479023eef18a86723492ba68e43759c23bc23613e54b14e2bcf380038ae19440da2073fdf5c8baa2c3745ff972bfc4247f91dcac00bbf2d14951de93b09d01c8fe37531c230149d6c62794556d753cfd0cfb2b9579250f533c263732976fcfa40f322413219532884847e6afcddee1e35e061d723aace2f59db972ebf6179bf153994f6c33a2f570d56277a71a4682c51cb829d4311cf359a72b3aff69629996b931642a5e6e85ce9e4b9aa97a72b6c09fd4ca15706cba887d920a583d30fb7760a7f819fdea3895fc64e967da271ef8cb7d59d1e6a0eb16f5a6daf9d7b582b702788c109ffa5f9e8cca0fdcf00f142712b6a336f666da5ddb2a08f9e2b4946767fdb5f1cbd943d8c980a20fa5422a6411d9cd2527614060c1c6e77bf736ad60b82bb587b4f80076a26158d748db00a2f68282c983fd5acdc13057737719daca7fb7d5ee0e8667924ff6258fb8b9fb6366baaf85897d845fdd0722ac2a79001432d41bfe3e9dbdf9401c58b1902b379d9f47098cce174b96c8aa94994273195de076fdcfdca936374e63e0f351a23634dd9c1edb757c5a6ba57bc91f63a697dacce1401ad73aa489aaa27c02dbb4d8c2c89de43cd9226949af7b0afb8bd7a0564cd093c609dd2b2514ba5600a7fb22ab49abcd43795b8bdd8a9a5e491f9dc967f572bbf70fd1a551ca70416d3768ca1dd1903b99c943303caf77241e0d4b9794ccfc5dfe6267c2c0a562eb2572dd7115fdeeb35f73270ee5dc8da1b8663d53db2a7f05b4ecabb47470c9a0b9102b1da62760aea1fe9a1f125746d0a109c82677934db0548969ffd25b123ac30a437f2a2d1da9a071dcc8e2f4ccb788cabb1b32f38aa991001fffc8e2977006e3843b4bd668f7f14953707afcd01fe3a3346c11be13350f4578ba1f0b28a4174916a788efcd230e7bcf7a7f991cf7a190537b346c30b841dccf53208339d136949093a4d5e876b94fe69de0afe1d513729b58e7f4ecb115d20bbab181962ad8da7dbb0e5c5a42de62ecd2c8de87a64c1833fc7634891800f67edc61300231688fa262d6101f56fd14032b5c8cf57fbacfc10f734f45ca89f85f01de883a10ae80b41c27798711ce6b1cf03062afcb18667e54d1bde5f8b149bbbcfb5ab5f57bef85262f487440fc65d7c2ba2b5bc3787ea2e2201eb3814e9c5e289bec6713c0b02def393e4684a6bb53b7cb0c541c1d77aeaae717e31f6589c5b58273a6cc5cdae52f2d0cc0bfd0f24080c18fda03773d80e4e3778bf0acf949ca22dc55b768cea3d762a440ecc90c90467b4f629c1b2123d11730b5bb2194e361ba65ceacb05b8bc6d1ef0bb631cf511f3037b5e5fbafa4a4d688e1d6b556fdefedfd0893753eaa38f82f0e697f2d1d92835c162f7d4be3cbab855a1a2f87a924112ccf8af7fe5e78ca0253549d8d40da71ed0921a51f278d2fc7603a3e37c88cc60ef9085b6fa883c811337293bc6198a1599335ac86310a59081d4d1b9b863204fab8b0631399199e8d8b39720cd5894785b8ff1519a8ed1ba1f47b50ce1b398d3a6cb8fae138b0c3b05a4d4a81dc8ad8131075110c57b2ac358c34e71e8e246d3de7899efaf8b498c5db42929c88ab8210155f329a3ec0499c0285ac7cb6c4f19b209313a25b271c54162def47085c2179acf6b120e51b7aa054956622fc62918d8a25a65e904e0e34ea663cfe5dc656872d57776b76beca6c989cb641cf1a01c7a7bcc98fdae08b4f70e31008d768ecce0cfc36b9aacbf70b541daef7d72cadac002d7883e36cbb78a85895eef228cd3e24611b5b7982d4faca95316ce0716dbbbe3fb645a2dc63083e297a14c5a93cb7e41c7ae6c88088a4c24954af77131a47846c002a314f66b34aebb0086e5f109c9104d8a7000f5e27a59c2fe0d946c949c7218eb77c8f0d3af8f18f53f977b682ba1778bbe0bc00098ae4459983ab131233bf05d5288f2c33575aaff41ebe971cf90fe00d5fca728ece8c8c5e5984063805814ec7b05e08bded0eeb743f70e05d5ea901c6847b45cfd564ca3d7fa438888d7da6df002e59b1250b50c9eac76ef599a7ad45098765e1444feff2b3e039fd538a326c9a93cb8b2c699f06c280a9dbdb1efa5a74ce6807302dec69d30a45327565baea810d6037e81d1a4f3e427c00482b5e9c650aad7123d9ed7950bc8e9bdad4cca7225b71d0b0fc64928c10a91391a9df5afa895554eef3707804b3a6354b694b252fc0af870e41666241fa7f3066f1b7e3f5ecc4b0dd6a63593c8f7bd0179903271fca11a18c431970cb5b23c26b7c30a6449c466d75272957e0cf86bf8b0587113fa8dd438c1ea0a7323504a647e03536df7187397062f6263613b94fcd6c138916fe580db8308961d79119bf271a9af7a4dbf00d393ddd06adccbb5d06598a4a77583b901d2fe696c847c7590dae8a0e91bc63e5f60c29deee47f5567f389295f9a25d3123d6ec78ae35f05f5c9614612cd43fde00c8d655dbc42bca7efeb1557191128e352f64f4b60473f22936969ff60badc4dd5e4016b1cfd00635ee89eeea633f87e760d84b4fb743bbe342303355ecb80a7d774e23bc8dd840d06b39ba4b75c8d637fefc47e0e171a3318212e5e126cc03a4bd394d9eefa67f6def85ab50b1557d196359657209bd904132e47cb9f4c4dc46bdaff9e22916d1f211b1e382a7948486ff4bff011d776acbf5fc4f91c84d9f8cd0be17ba4c8c8912580a76763624c225207b547556b04a54960313886515fd99d81162a890eae0d0b5d21776b216e8feb881c68e644f65648f057b068761b68452c97a41db59fb080373a28dcdefbb309600389d8554ee566f35f2607c311bbdb025360ca46e05d0ab6dd4bf25922cdcfc3d15c6cc118a7370b545c0c760f7e30f6cd4a8fe9d016fd015a6be5fbcd2d03e182ade20b579add3238376405483d7d7638c3b89a4a73625aecad72177e4640c8e10b45669a36fdac5be78a38d09042468df422613f718ec6ca3e3515eb420cf0c67901affee9abc8beaa60e32894706dcaa22009588650dda16d82bc585d8bb402c0a8b3ca88bd17cbc6ce7fc7378076740a2a752c2c4172b1c10415f5bd0f3430012398ce37aca4c00634af6f23c9889b7d3f126d7e357cd22edaa169230a348eccdcc63565d015c16a3cd1f9c00281072960513ca6afba04513d3caedd524f9fbbf4681a1db4d4a53240507601e26bc465c56c5124a69e85ce0b879e95c47120cd7165395107b9312b0af32cb5aaa02eae2721927d40dcb3c9dfc677e17d996252c60479aafe9eea7631235a2defa1d0662d37734a240792d35d371786ab44001b22bd9013d5a86dbaf06ff88ad4a5259d4d020d8a21120374f8b21b22879191ed3c6284d2dbf8c62af91163c1260d5be37601125cd24ab665de58619fa1f522c5175bc88daa5413003803632fd16defcb9e2dc0d13c58bb82235be3472744f4832245a8444e6fd1c32ec44f4191a40d1efb8b8ead30065acb1b8b80065860dfbb18181781ad7d47717a2766d5fe0ad3b05d4ae65681ee4eebe4851a68b5c1721800d6fefc0574b421d616357ce933cb4483bcf93f9e5c3c08958c72c90998b319d0ca129b85d7d60b1f6b603c17db9baadb1f7244ae"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000072b00)={0x0, 0x0, "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", "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"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000073b00)={0x8000000000000001, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x2e, "85379aa9087ab5"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000074b00)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3f, "77f9171278cb18"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075b00)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075d00)={0x0, ""/256, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075f00)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000076100)={{0x0, 0xfe9, 0x7f, 0x0, 0x4, 0x61c, 0x1c000000, 0x80000001, 0x20, 0x1f, 0xfffffff8, 0x1, 0x8000, 0x11ef, 0x800}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000077100)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r3}, {}, {r4}, {0x0, r5}, {r6}, {r7, r8}, {}, {r9, r10}, {r11, r12}, {}, {r13}, {0x0, r14}, {}, {r15, r16}, {r17}], 0x0, "713f19bde2d479"}) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) [ 2181.578745] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2181.591998] nbd: couldn't find device at index 0 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r3, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80056}, 0x8000000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) [ 2181.645312] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2181.654664] nbd: couldn't find device at index 0 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r3, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80056}, 0x8000000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r3, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80056}, 0x8000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) [ 2181.703981] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2181.713199] nbd: couldn't find device at index 0 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async, rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async, rerun: 64) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x2c, r3, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80056}, 0x8000000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) [ 2181.744529] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2181.753596] nbd: couldn't find device at index 0 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) [ 2181.805639] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2181.815992] nbd: couldn't find device at index 0 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002640)={&(0x7f0000002580)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002600)={&(0x7f00000025c0)={0x20, 0x0, 0x4, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048080}, 0x8000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002540), r3) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000002680)=ANY=[@ANYBLOB="2c000000cdf2a693f180", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="3b12e9854c02a116de84556e46816b6e51b2a1a2db543e492a475dae932f37bc3e2721484710ace7acdc5c106e7c259ce65f8a5735934c9e7b50421e147dd2ba36d8625f23836162229fe59630211a10d3baf48c8a54"], 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000002400)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000023c0)={&(0x7f0000002380)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x48080) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002440)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002480)=ANY=[@ANYBLOB="985e7a0a22968000ff01000000000000", @ANYRESOCT=r4, @ANYRESOCT=r2], 0x80}}, 0xc0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000180)={'gre0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="73797a746e6c310000add10000000000", @ANYRES32=0x0, @ANYBLOB="000100080000000500000009401a00c00064000020049078e0000002ac1414bb94040000441cc481ac14141c00000b9bac1414aa000000097f00000100000009830779ac1414aa8308638348a48c678618ffffffff0612e18ae98eccdb2ecd35a2723d015928be890798ac1e010194040100070b220a010100ffffffff444c60810a010102fffff000ac1414bb00000002ac1e0101000000010a010100000000070000000000000007ac1414aa000000000000000000000009ac1e010100000005ac1414bb0000001f000000"]}) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000003c0)={0x18, 0x4, &(0x7f0000000040)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r7}, @alu={0x4, 0x0, 0xd, 0x6, 0x2, 0x1, 0xfffffffffffffff0}, @exit], &(0x7f0000000080)='syzkaller\x00', 0xffffffff, 0x9d, &(0x7f00000000c0)=""/157, 0x41000, 0x1, '\x00', r8, 0x0, r9, 0x8, &(0x7f00000001c0)={0x1, 0x5}, 0x8, 0x10, &(0x7f0000000200)={0x0, 0xe, 0x800, 0x200}, 0x10}, 0x80) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002640)={&(0x7f0000002580)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002600)={&(0x7f00000025c0)={0x20, 0x0, 0x4, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048080}, 0x8000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002540), r3) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000002680)=ANY=[@ANYBLOB="2c000000cdf2a693f180", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="3b12e9854c02a116de84556e46816b6e51b2a1a2db543e492a475dae932f37bc3e2721484710ace7acdc5c106e7c259ce65f8a5735934c9e7b50421e147dd2ba36d8625f23836162229fe59630211a10d3baf48c8a54"], 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000002400)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000023c0)={&(0x7f0000002380)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x48080) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002440)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002480)=ANY=[@ANYBLOB="985e7a0a22968000ff01000000000000", @ANYRESOCT=r4, @ANYRESOCT=r2], 0x80}}, 0xc0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000180)={'gre0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="73797a746e6c310000add10000000000", @ANYRES32=0x0, @ANYBLOB="000100080000000500000009401a00c00064000020049078e0000002ac1414bb94040000441cc481ac14141c00000b9bac1414aa000000097f00000100000009830779ac1414aa8308638348a48c678618ffffffff0612e18ae98eccdb2ecd35a2723d015928be890798ac1e010194040100070b220a010100ffffffff444c60810a010102fffff000ac1414bb00000002ac1e0101000000010a010100000000070000000000000007ac1414aa000000000000000000000009ac1e010100000005ac1414bb0000001f000000"]}) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000003c0)={0x18, 0x4, &(0x7f0000000040)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r7}, @alu={0x4, 0x0, 0xd, 0x6, 0x2, 0x1, 0xfffffffffffffff0}, @exit], &(0x7f0000000080)='syzkaller\x00', 0xffffffff, 0x9d, &(0x7f00000000c0)=""/157, 0x41000, 0x1, '\x00', r8, 0x0, r9, 0x8, &(0x7f00000001c0)={0x1, 0x5}, 0x8, 0x10, &(0x7f0000000200)={0x0, 0xe, 0x800, 0x200}, 0x10}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002640)={&(0x7f0000002580)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002600)={&(0x7f00000025c0)={0x20, 0x0, 0x4, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048080}, 0x8000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002540), r3) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000002680)=ANY=[@ANYBLOB="2c000000cdf2a693f180", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="3b12e9854c02a116de84556e46816b6e51b2a1a2db543e492a475dae932f37bc3e2721484710ace7acdc5c106e7c259ce65f8a5735934c9e7b50421e147dd2ba36d8625f23836162229fe59630211a10d3baf48c8a54"], 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000002400)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000023c0)={&(0x7f0000002380)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x48080) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002440)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002480)=ANY=[@ANYBLOB="985e7a0a22968000ff01000000000000", @ANYRESOCT=r4, @ANYRESOCT=r2], 0x80}}, 0xc0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000180)={'gre0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="73797a746e6c310000add10000000000", @ANYRES32=0x0, @ANYBLOB="000100080000000500000009401a00c00064000020049078e0000002ac1414bb94040000441cc481ac14141c00000b9bac1414aa000000097f00000100000009830779ac1414aa8308638348a48c678618ffffffff0612e18ae98eccdb2ecd35a2723d015928be890798ac1e010194040100070b220a010100ffffffff444c60810a010102fffff000ac1414bb00000002ac1e0101000000010a010100000000070000000000000007ac1414aa000000000000000000000009ac1e010100000005ac1414bb0000001f000000"]}) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000003c0)={0x18, 0x4, &(0x7f0000000040)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r7}, @alu={0x4, 0x0, 0xd, 0x6, 0x2, 0x1, 0xfffffffffffffff0}, @exit], &(0x7f0000000080)='syzkaller\x00', 0xffffffff, 0x9d, &(0x7f00000000c0)=""/157, 0x41000, 0x1, '\x00', r8, 0x0, r9, 0x8, &(0x7f00000001c0)={0x1, 0x5}, 0x8, 0x10, &(0x7f0000000200)={0x0, 0xe, 0x800, 0x200}, 0x10}, 0x80) (async) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002640)={&(0x7f0000002580)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002600)={&(0x7f00000025c0)={0x20, 0x0, 0x4, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048080}, 0x8000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002540), r3) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000002680)=ANY=[@ANYBLOB="2c000000cdf2a693f180", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="3b12e9854c02a116de84556e46816b6e51b2a1a2db543e492a475dae932f37bc3e2721484710ace7acdc5c106e7c259ce65f8a5735934c9e7b50421e147dd2ba36d8625f23836162229fe59630211a10d3baf48c8a54"], 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000002400)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000023c0)={&(0x7f0000002380)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x48080) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002440)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002480)=ANY=[@ANYBLOB="985e7a0a22968000ff01000000000000", @ANYRESOCT=r4, @ANYRESOCT=r2], 0x80}}, 0xc0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) (async) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000180)={'gre0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="73797a746e6c310000add10000000000", @ANYRES32=0x0, @ANYBLOB="000100080000000500000009401a00c00064000020049078e0000002ac1414bb94040000441cc481ac14141c00000b9bac1414aa000000097f00000100000009830779ac1414aa8308638348a48c678618ffffffff0612e18ae98eccdb2ecd35a2723d015928be890798ac1e010194040100070b220a010100ffffffff444c60810a010102fffff000ac1414bb00000002ac1e0101000000010a010100000000070000000000000007ac1414aa000000000000000000000009ac1e010100000005ac1414bb0000001f000000"]}) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000003c0)={0x18, 0x4, &(0x7f0000000040)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r7}, @alu={0x4, 0x0, 0xd, 0x6, 0x2, 0x1, 0xfffffffffffffff0}, @exit], &(0x7f0000000080)='syzkaller\x00', 0xffffffff, 0x9d, &(0x7f00000000c0)=""/157, 0x41000, 0x1, '\x00', r8, 0x0, r9, 0x8, &(0x7f00000001c0)={0x1, 0x5}, 0x8, 0x10, &(0x7f0000000200)={0x0, 0xe, 0x800, 0x200}, 0x10}, 0x80) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) ioctl$KDSKBMODE(0xffffffffffffffff, 0x4b45, &(0x7f0000000080)=0x3) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) ioctl$KDSKBMODE(0xffffffffffffffff, 0x4b45, &(0x7f0000000080)=0x3) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB], 0x1c}}, 0x0) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) ioctl$KDSKBMODE(0xffffffffffffffff, 0x4b45, &(0x7f0000000080)=0x3) 21:53:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008"], 0x1c}}, 0x0) 21:53:28 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008"], 0x1c}}, 0x0) [ 2182.126612] nbd: must specify a device to reconfigure 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008"], 0x1c}}, 0x0) [ 2182.167639] nbd: must specify a device to reconfigure 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000000000000000000300000008"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30"], 0x1c}}, 0x0) [ 2182.199078] nbd: must specify a device to reconfigure 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002640)={&(0x7f0000002580)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000002600)={&(0x7f00000025c0)={0x20, 0x0, 0x4, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20048080}, 0x8000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002540), r3) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000002680)=ANY=[@ANYBLOB="2c000000cdf2a693f180", @ANYRES16=r5, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB="3b12e9854c02a116de84556e46816b6e51b2a1a2db543e492a475dae932f37bc3e2721484710ace7acdc5c106e7c259ce65f8a5735934c9e7b50421e147dd2ba36d8625f23836162229fe59630211a10d3baf48c8a54"], 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000002400)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000023c0)={&(0x7f0000002380)={0x14, r5, 0x2, 0x70bd2b, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x48080) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000002440)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002480)=ANY=[@ANYBLOB="985e7a0a22968000ff01000000000000", @ANYRESOCT=r4, @ANYRESOCT=r2], 0x80}}, 0xc0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$NBD_SET_SOCK(r6, 0xab00, 0xffffffffffffffff) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000180)={'gre0\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="73797a746e6c310000add10000000000", @ANYRES32=0x0, @ANYBLOB="000100080000000500000009401a00c00064000020049078e0000002ac1414bb94040000441cc481ac14141c00000b9bac1414aa000000097f00000100000009830779ac1414aa8308638348a48c678618ffffffff0612e18ae98eccdb2ecd35a2723d015928be890798ac1e010194040100070b220a010100ffffffff444c60810a010102fffff000ac1414bb00000002ac1e0101000000010a010100000000070000000000000007ac1414aa000000000000000000000009ac1e010100000005ac1414bb0000001f000000"]}) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000003c0)={0x18, 0x4, &(0x7f0000000040)=@raw=[@map_fd={0x18, 0x7, 0x1, 0x0, r7}, @alu={0x4, 0x0, 0xd, 0x6, 0x2, 0x1, 0xfffffffffffffff0}, @exit], &(0x7f0000000080)='syzkaller\x00', 0xffffffff, 0x9d, &(0x7f00000000c0)=""/157, 0x41000, 0x1, '\x00', r8, 0x0, r9, 0x8, &(0x7f00000001c0)={0x1, 0x5}, 0x8, 0x10, &(0x7f0000000200)={0x0, 0xe, 0x800, 0x200}, 0x10}, 0x80) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) [ 2182.231033] nbd: couldn't find a device at index -1907581829 [ 2182.246504] nbd: must specify a device to reconfigure [ 2182.270632] nbd: must specify a device to reconfigure 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) [ 2182.310852] nbd: must specify a device to reconfigure 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) [ 2182.337704] nbd: must specify a device to reconfigure 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c"], 0x1c}}, 0x0) [ 2182.381268] nbd: couldn't find a device at index 40059 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c"], 0x1c}}, 0x0) [ 2182.414141] nbd: couldn't find a device at index 40059 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="011a2cbd7000dcdbdf2502000001080001"], 0x80}}, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f000006c900)={{0x0, 0x2, 0x5, 0x5, 0x2, 0xa1, 0x200, 0x38, 0x2, 0x7, 0x3, 0x7, 0x100000001, 0x1, 0x8}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006d900)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006e900)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006f900)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006fb00)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "33152860889b45"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000070b00)={{0x0, 0x2, 0xe7d, 0x4, 0x20, 0x80, 0x6, 0x0, 0xff, 0x8, 0x20d4, 0x1ff, 0xfffffffffffffff7, 0x0, 0x8000000000000000}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000071b00)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000072b00)={0x0, 0x0, "fb2ebc0d153e800865b5fae239c6c7542cd6638ef22ba8bb7c1cd93d832d99966ff3f388fea4cb62031b9acab2f36013123cc84da602925f65a94595756e10ea07304c1855db21d60c7882d33563ab26c63f67a2a8bb3deecd9bf08f0a811b6a2696de15d9b8da6061cf2ae797018517b64aa4f7b27835323963bd7d973f45baf3ec258db43917e461b7370b19ae06d91a065b31571d0fcdf9753975eeb1baaf4420f0742302ffc4719f675e4eeaca2ed384f18a01cb7c6428d2a36d4cb51c6aabbd9adf29cc9d8e2c033f6fb735b836ccd445b01935eedc52f4a5e45e6271b704b03c51a416f22b3d4847175806b0ad898f6b70a5a778701085425a70926d6e", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000073b00)={0x8000000000000001, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x2e, "85379aa9087ab5"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000074b00)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3f, "77f9171278cb18"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075b00)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075d00)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075f00)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000076100)={{0x0, 0xfe9, 0x7f, 0x0, 0x4, 0x61c, 0x1c000000, 0x80000001, 0x20, 0x1f, 0xfffffff8, 0x1, 0x8000, 0x11ef, 0x800}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000077100)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r3}, {}, {r4}, {0x0, r5}, {r6}, {r7, r8}, {}, {r9, r10}, {r11, r12}, {}, {r13}, {0x0, r14}, {}, {r15, r16}, {r17}], 0x0, "713f19bde2d479"}) [ 2182.442206] nbd: couldn't find a device at index 40059 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2182.468250] nbd: couldn't find a device at index -1907581829 [ 2182.505936] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="011a2cbd7000dcdbdf2502000001080001"], 0x80}}, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c700)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f000006c900)={{0x0, 0x2, 0x5, 0x5, 0x2, 0xa1, 0x200, 0x38, 0x2, 0x7, 0x3, 0x7, 0x100000001, 0x1, 0x8}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006d900)={0x0, 0x0, "6d8f2ab17e5118e94a382ce96fd81eb6f867436d66b6b4f46f39bd65b12388be332c900ec19d34284b1c39ead1e266c16467c9ee99a2132c36daf0d7ae5a259773fe58b91d8ef3f1f5e130954d5a6ef30cd7a15711cdec1f62abbd6df7c3f7c9990be51422545b5117c5d36cf9c2b62cba246e4016fd67119ec57da3a52af844c2931976f93064236bad62459f8125d62647b6b60ffa20acf8d4caeb8e432ca7d01e37566bbb67fa662c9a5f6bcf3f4fd416ba99846efc5fce61835595b316bac09aaa5baaf88bc94685ab9fa3b9c1a9a4a55fed71d8ddb9a8dc80e1691fe155bc1cc5f0d7dc84ba6031015b647e6f0664e0241762cf32f01e96ace465d07efb", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f000006e900)={0x0, 0x0, "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", "14eac3205df9c62e5de2e5e312324352addabf4c54f9bc15f2ec6f70e363efcdb0b68ef2f1f6a2c3916c8db3ceef5ac1c44cd051ea593452f1db2e6ace50afca0dfa9073c4aea848d4015c6eb37d06a78396f78f98766dd39f30efd10f0e0239906bd13bb59473356d8f29ce81213491ae6965e39180b1e491f1189fceb24c43a7af48b78bd51dc19ef8678f3de27f4e92f6e64145dbd0e7988f2dd67bdd64144105dc20787a8a9608b48e543e399a2f809adbd7013173a2409861d92a8d5e16d42965d5d7608e3a24e51ea1fd7d487260910d0cda30937eb9db68175d9b1803fd17a82247a4385f2b6cc5f7f89199f8eb61fd73b17d3d77f2586c3c0f35ac6fe5e768833969d325e42caea16157800de1abd59c9dc7f2a2f65a84f0922811bbbcb25ba1f9ab5aa182a421fa4ce57bba0580a63629d9f0e13ab909afb0e3cf657bcba8b58200368f81215e755dd0339070fba59c3f5a3a0850a6cf414b71358228d3aeca1e427e86d2cd3be593023a0f8d7b170babbc04177a214f1df1270eff0c858dc9f96d2d342b42133dfa17c844364bcf4cdc731ed9211110d9042150509d94d2a6137dff2150b73bb3c80db40d74489233d0054d7337909ebb3576437ed9555235d8b3465b82b60636f04e5fe29639ef517d4c8ce06c74c280d348a274ec3306fd9b45f223ebb7083897100e8df3350fa5000bda5b7a1a0925e09c554595c0a71bbd1b8d4b586e7c908dad3f505cc968cae63119d1d8da3e7f38285e777a78261c13ffd7973200ada2ebd7558381be8c9c6cf75a7f575c738848b1187eed212e43168cac7d7df1da28e7394ded50ff4e71810d725bde58670da9f41c477a331b0395068998ea358ae2738fc3e35de82003c4db577172413d1e4882d0eac51c6d09024e80968407d51d0d4ce8d34bdcd777222dbf1e105aade18da9e1d53fc7bf93fa84bbf2db7e7fc3570bc8d4e695246a1c80509e5240894bc2cb474579468347c8433bba03615f1fdc6a07f1e83f38e3b58a98d84d9a56d4e83c910692dff17a269b0e2bd9d40300635297356ad2754cd86c2d8ab3198d8316fc254f92cf5687208aa1e20f096f485f7bccd6e07097a94d30bdcde4b947a71eebc3137ac19f402b746b3eb7f77b3cfd809bbf088785004da67e90729a180a3e03db539b2ae0d340a55685eb1d546b1ae1aa04e0ea94e0c053049ed5ea2dea5d94a932d4b98287db543256878df9c8642901fdf350d0b9cb88a880f26f261c0b854b8095b88a19af1e7cda15943c8a04c43dd56b6b5396e3f22fba4f8db78500dcb1639ef3915a7758bc41406ed00ab2c03a51d1e563ffee348d0b99abbfcb348d8df1a8956043ac9b07236c8d251c4dfcdad5c090512e04cc5bb6dc527e5047ea69137775083251e3bfc31b60d851ecb181c852612bceed45752f3ceaad0721b4a335ca3c7988c9d78d7e41eecc5691ca099a982403268d6dfed972aec4a5bfa2f9a62c33a6705c948c4084eaef37f67dce5a4d69131d8cb755d8b279784e859ff487f20f8420463fca69477ad3b01b4c90cf88aad0e1de1a00d1a0f543350870273fc4870652fc4e9f5c0c527bbb979ce505fc3d8468b9f4250b30c60d32f1c3a07c76196ce3b8a220da819f1111f46009cd3e2254f611099dd437891d843b1d422af799af69238f70adac2ab69ebf4eca0262ec651267eab49b9aa77c79ffce08b585ece8f90578cd7741238e335af870ead9c898241f040c7a65a9ab6e9f1ee79ff12e9a537c8462dfbeb1708c9c2fbeb5f04eed2b5f1101cf1ec84166fbcd86c08f12f52652a93751aebbae0513ea898acbeea796091a76dfbeca398f22d91083e01b6bcb6ac928013bd1cea10fc793e2e565165cfbf56cd9dbdabfd8748884613a3ee43ab89ae22eacb57adba11cd55e5a685b5d8c73c97d82d5fee9ac419c229ede32f06b80fc0fdb0f3da2b0d44707b05c305383b91b831654fa99a75bb05fc79b7dafdd2532dc02ac030ab28d82a904fb19b98a3633927599a95014d0b3a4f81ff5949b688f88f28bf43766e52122158c7a6fbd272d4697d914133368809fbce57440679a403b299470e0a300ccfb0556a5b482adf8bfe7684099b9a57806a363e247439cdf220ea133b032dcf4530b44c47d46ac3fb26c753771694e925ca981a865831c52413eeed2f427351f57a5f211e35be0b5d1fc6d87e393a1db311f2b325431113de26de4e7878bfcaed014324a7098c57f0454ba22158c79db0b57ee97683fbab88739b32cab89f650d7c3650cd27f2dca1e185abd9c9045529f9bd3f124351af10b6b4f2c90b4b6db3446a105c05e695a6fbea0b4fd44aa7b733a56cc8de70ffaa06e058cf01775b6fdc8dab8096732fde5567afb88aaa61575b8891c5ff954a07b0d484ac59ca59f3c4ec800d4ae9b39307e35c0fca78d24e5aa1bde76be5c843a991395abb0186e7ddc404d2d358ca5710236c661a4447c431472395e57a288795ef97a34fac272b629f75af351e17016ab2b266fcd7507ebecbaade80cb759ebdd2214f6bf3351f5490e94104f38b8ece9ba68d2c32feba4448eec165c2857f7f48ba1e2db048bb5fab85051583e8ba28c195286a5729ca0feae85c7f4faa43eb5c446be444a2fcb594519f779418ad74f7b1a277910b6dfe9b88c5f7bb77f78dac660d08619cf1d8e4369fa3fabfaafd6a5de4e69c439bc50b26d6f89866b95418c42c4c4d88d60d851b3c78254e9d57b2dde00799bd7f03cac1571a44a61aa9bd1569da57f056fdd13e6a9d3c3d123510c31f60638c73e1b81b96b54abab1540bcd871d1ee94d441db6e6130dae09a8e93ad3c076078351859f02b536869a81e054078ef26ee803e2e2cc4958a35fd1308498e05ad666bd61e8cf55be06a62a2a0638c54ee981c78672a6a0f3afdf1c5f136485f40d30ddabd4ffcaa9074e180599b0bd28f2af1faea436fc454e83f5f34245a87530b2f18dcff94ed37609944c0c985629ac5a7e4c32bcc7334ad11b3ed36af0dd7a7d84d02aa9d13cb82c9c52270415d98675cd2fa9ce83f30887ce662a9f372624bef49c0979b0b7c8e6893bd2c6a4b18954dee9a220535098bbf4f63a1ce3e9fe3e44e70b9f2823bdc2388a7d967f7c9739a56497f949e6e697a04586de7e2f71ea143ce381bc4c4ce3d727d9ce6ace26d0edf204118d5af1b69b5f4b91c1c4d62cf2b0e6956712a7a4ea01a84c5b2bd5e4110d163575e504dc023198eeb1f049ca6095b8e2518350642465dcee634a4e9b533d6f33b919510e898639d0a1a79d4423757dde8c7947497045a9de660cdbdaf4e28eb85895001761847bb3f504fd23f6334489a114dce4638d9691f1cfa0a342672d050755e4e0bc56b2f96fb6985b26292ab3883cc208a34c8e3f6e35eccf0e7e212f9d5cbb86b842df43471483dacebbf11f81197277c07884485f7fe1745a79a12f0d9971f1b81e643d2dde7b894fc74621700da4740849622e6196e6a3d2a686732340d122c9fa3ce5278ada95c52e3a9fa4c1ee743416429f400b215ace4adc977c7be74a4e351cc06aae69ebdc04d90cb9e40445df6f7b97df5a9ad3b21ded6ebab5bfff57b7e1bfd6089ae9aed254207a2bffae8917ab6336a257479baf00461e9ea58574e7753d41efbe20436ed4147e73daa50a470d56ef9af4e161ea6b90dc2a72e022bb297a446d902d6093e533fedf2f91f7c59bfaa663ed0116e90f8dd25474ae14f82686ecc8265e053b3682b31dfc1f0ac28f784849385fe198dfdbb7281bde57c6b104236b66ba6ae37debd8949ad39c51f39c7c49b3938962e2ed64df9d787b12ce2ccd8022d3022a72e0028393064dc4a6ca66ca38f9c582840d64cadebfb2eba452fbdc146b83fd4057bfeb7d6d84e10e42bebe00a7c57efcbe92bd49acea5eb589b574ca25e6d7c48d5f4562608620fbc171e40348d58e352c5d52aff94c097c6f81dd98efcabdad15827877f889d54e612c7d32304e46dbae0750b39ff41ff61992b88c6b748f20cc926b728cbd5eb5d00b78b09c225780517f602a660455e8df1bb5b7e792487fc2b373df6ce1daf774962a51a13a76c96b18f3bb21c390a44dfae02e4da6dfdb511132b89913e1d689c13b63799b646eef9c041c75954493312fe59d6bd56f775c550e618c24019517110f466b9ce9abc670d8bc0c580805f891797db9d6ddec940231b3f10611a4bffc6e33754a2f2f7a45e7645f6cf0ce06710f256f12f0360c4a36c3820c312b1298e8ab12e9a52cedb47b6235a0543445574288cf63b69e7dc815351a156ea704f996e9249f87f6c226c1472a8efa6e299ffd6d43001bafa529f1d6a832ae37ee0668816b864130d06653ab31f2b6ca75ec0713076e78d6706ff5d4e7b636bf3624b4035ab65116ad3889a5c0b1da1f108e75649ca0fb544a4573b5f9c58ffdb839b69969f58fa73a7863632714d39add8d2103f0839e97338708a234396ef3eae04227c9fca725e9efb6c83d80892f28798f6bb6e87f88dd5366b926cca29b82dc14c6ff4630f04386c7ee94374d7be984a13ca6ff822d9aa5a07ab3c1e402ac5c8e7a84a2d66bcef876efc8e92c98918822cc38a070a1e28831f67f11fc79165fb96f1707e2dbfd3456051b48bd354e8dffa306065790f5724f4f0e87a3f0b08f1ad6122256a3f34d558da02ce39b64952c79eb4f0277f945b9c784ef25b4d4e3c8e732c58429046008b18993e70133ba1ad40568d6a8e0bbd3c12022f0f98923ecbed8866b27792da992bf466bb064baeed9ea228aee65e2aafa2bf1bd9b90f481be4a1ad627b19ce57d020341ff8f95c2a66427a2a539a2e06bfd0c6334b74acf6152475f3cae943aa896542f8896937cbdac591d63b8556243758c46693a913a1b8e1e68c0f84d8ddccd8ca581a74883fc6937b603a3b75624d06f3ec20213d642671db8ed369e50c23e546631fd9c8adc21647e377cf1b11ff3babfb669ccebac679d0f504df6a4b79bb3b52d98fbed1534767f4f20fb95e2392cedd4565dc45b4fffb22e01de3e5ba7068d9c9229fcd4ace01efaa634f15683b1c19397d2c891b41a7e8cbde0ba193485ad2c35d409280a230b90633b239acdcabef99a1c553dbdaa85b45d5c2e096184573650cbacac129f14e8ff8e52c3a82ded70ba0b94137972294d052729c579165fd72b8e61d4ce55ba7b51a3639dbfa03b2ff5e8173e3cb558830b8d5e225ea3c6d920ce6dc6dfcb1dcfac9479226ecd0365ad4aa6c7740d6fbaac31fb32f55fab56f7b005c6cc8962a3167c0377a24d8a6dbb6dd1fdf1f8eee07c172a8d49b3fa0c4f3327d6c605a4fc744f30950bad4841123fb454c8c88a582733b9ee908ce9e82fe928a284d725ecb3b4afdb844e4f37f9adb2dc5b7"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006f900)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006fb00)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "33152860889b45"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000070b00)={{0x0, 0x2, 0xe7d, 0x4, 0x20, 0x80, 0x6, 0x0, 0xff, 0x8, 0x20d4, 0x1ff, 0xfffffffffffffff7, 0x0, 0x8000000000000000}}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000071b00)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000072b00)={0x0, 0x0, "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", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000073b00)={0x8000000000000001, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x2e, "85379aa9087ab5"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000074b00)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3f, "77f9171278cb18"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075b00)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075d00)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000075f00)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f0000076100)={{0x0, 0xfe9, 0x7f, 0x0, 0x4, 0x61c, 0x1c000000, 0x80000001, 0x20, 0x1f, 0xfffffff8, 0x1, 0x8000, 0x11ef, 0x800}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000077100)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r3}, {}, {r4}, {0x0, r5}, {r6}, {r7, r8}, {}, {r9, r10}, {r11, r12}, {}, {r13}, {0x0, r14}, {}, {r15, r16}, {r17}], 0x0, "713f19bde2d479"}) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2182.515131] nbd: couldn't find device at index 0 [ 2182.521807] nbd: couldn't find a device at index 5020795 [ 2182.549139] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2182.564180] nbd: couldn't find device at index 0 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2182.572992] nbd: couldn't find a device at index 5020795 [ 2182.598044] nbd: couldn't find a device at index 5020795 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) [ 2182.621167] nbd: couldn't find a device at index 5020795 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) [ 2182.645972] nbd: couldn't find a device at index 5020795 [ 2182.675882] nbd: couldn't find a device at index 5020795 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:29 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, 0x0, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003"], 0x1c}}, 0x0) [ 2183.497848] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2183.506854] nbd: must specify a device to reconfigure [ 2183.526799] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. [ 2183.535742] nbd: must specify a device to reconfigure 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800"], 0x1c}}, 0x0) [ 2183.558735] nbd: must specify a device to reconfigure 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800"], 0x1c}}, 0x0) [ 2183.586499] nbd: must specify a device to reconfigure 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b"], 0x1c}}, 0x0) [ 2183.607775] nbd: must specify a device to reconfigure [ 2183.627946] nbd: must specify a device to reconfigure [ 2183.649562] nbd: couldn't find a device at index 123 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b"], 0x1c}}, 0x0) [ 2183.675695] nbd: couldn't find a device at index 123 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c"], 0x1c}}, 0x0) [ 2183.696341] nbd: couldn't find a device at index 123 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c"], 0x1c}}, 0x0) [ 2183.719020] nbd: couldn't find a device at index 40059 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c"], 0x1c}}, 0x0) [ 2183.739487] nbd: couldn't find a device at index 40059 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2183.759792] nbd: couldn't find a device at index 40059 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:34 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r0, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e30f958c700000000"], 0x1c}}, 0x0) 21:53:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd700002000000290001bfdce0cb6b2c7b970d315c1adf577737e320b4cc77616bc833ffa3cc361327b3ede3316c634594839f41333472caf5f1b5a0af16017fe5514cddd792066860fa8ca1789fbe68dd467f3d52154621b8658e08a66858b01b575d99e025771c4204a146be53a853"], 0x80}}, 0x0) 21:53:34 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:34 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000080), 0x1d84, 0x121a00) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r4, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20040804}, 0x44) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000080), 0x1d84, 0x121a00) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x50, r4, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20040804}, 0x44) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:34 executing program 0: r0 = syz_open_dev$vcsa(0x0, 0x0, 0x2000) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r1, 0x40082102, &(0x7f0000000080)) read$FUSE(r0, &(0x7f0000000300)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_WRITE(r0, &(0x7f0000002340)={0x18, 0x0, r2, {0x6}}, 0x18) write$FUSE_LK(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, r2, {{0xffffffffffffffff, 0xffffffff, 0x2, 0xffffffffffffffff}}}, 0x28) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r4, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2188.068208] nla_parse: 1 callbacks suppressed [ 2188.068214] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.5'. 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x1c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4004802}, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, r6, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9242}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xaa24b905ae11aa6d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="02080081", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001000000000068075686431dc9"], 0x1c}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r7) [ 2188.114820] nbd: couldn't find device at index 0 [ 2188.130415] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2188.149982] nbd: couldn't find device at index 0 21:53:35 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002700)={&(0x7f0000002540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000026c0)={&(0x7f0000002600)={0xa4, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}]}, 0xa4}, 0x1, 0x0, 0x0, 0x1}, 0xc800) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept4(0xffffffffffffffff, &(0x7f0000000080)=@ieee802154, &(0x7f0000000100)=0x80, 0xc00) socketpair(0x1f, 0xa, 0x8000, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000280)={&(0x7f0000000040), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r6, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r11}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x50502e9e82169259}, 0x4000) r12 = syz_genetlink_get_family_id$nbd(&(0x7f00000023c0), r3) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000002500)={&(0x7f0000002380)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000024c0)={&(0x7f0000002400)={0x84, r12, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r9}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x1}, 0xc0) [ 2188.164138] nbd: couldn't find a device at index 2 [ 2188.169156] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2188.187668] nbd: couldn't find device at index 0 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="8000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r3, @ANYRESHEX=r4, @ANYRESOCT=r3, @ANYRESOCT=r1, @ANYRESOCT=r5], 0x80}}, 0x80) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x50, r6, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) [ 2188.213977] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2188.228390] nbd: couldn't find device at index 0 [ 2188.248624] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.4'. 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000000800"], 0x80}}, 0x0) 21:53:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2188.274407] nbd: couldn't find device at index 0 [ 2188.293668] nbd: couldn't find a device at index 2 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000"], 0x80}}, 0x0) 21:53:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x54, r4, 0x1, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3cb}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x54}}, 0xc000) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB], 0x80}}, 0x0) 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x200, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x20}, 0x1, 0x0, 0x0, 0x4004001}, 0x4001) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="010000070000000000007f06000008000100000009cc"], 0x1c}}, 0x0) [ 2188.359257] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2188.386894] nbd: must specify an index to disconnect 21:53:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x0) 21:53:35 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2188.403758] netlink: 108 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2188.422958] nbd: must specify an index to disconnect [ 2188.434145] nbd: must specify at least one socket [ 2188.446394] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.4'. 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x58, r4, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfb}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x58}, 0x1, 0x0, 0x0, 0x40801}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x7, &(0x7f0000000040)={&(0x7f00000000c0)={0x14, r1, 0x400, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x7ff}]}, 0x14}}, 0x0) 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x58, r4, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfb}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x58}, 0x1, 0x0, 0x0, 0x40801}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x7, &(0x7f0000000040)={&(0x7f00000000c0)={0x14, r1, 0x400, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x7ff}]}, 0x14}}, 0x0) [ 2188.458765] nbd: couldn't find device at index 0 [ 2188.467115] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. 21:53:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff7fffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff7fffffff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2188.506643] nbd: couldn't find device at index 0 21:53:35 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$nbd(0x0, r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x5, 0x80404, 0x7, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000002340)={0xffffffffffffffff}) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) r11 = syz_open_dev$vcsa(&(0x7f0000000140), 0x7, 0x494001) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="fc000000", @ANYRES16=r2, @ANYBLOB="000126bd7000fcdbdf250200000008000100000000004400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00080000020000000000000c000800ff0f0000000000000c00050002010000000000000c00050001000000000000005400078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="e80001f7", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB='\t\x00\n\x00+{$\',\x00\x00\x00\f\x00\b\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0xfc}, 0x1, 0x0, 0x0, 0x8810}, 0x4008090) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) fanotify_init(0x40, 0x80000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000040030001000000000052f374100da1ffecc67a0aaaa1b30c2020d8842fd27414c21d7cdeeb230258942cef205804b059b3f0fda74b21cd40a888e8e8dbbc15ee7b56"], 0x1c}}, 0x0) 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r1, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x58}, 0x1, 0x0, 0x0, 0x48040}, 0x0) 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r1, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x40004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0xb0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r1, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x40004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0xb0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2188.610073] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2188.628649] nbd: couldn't find device at index 0 [ 2188.649105] nbd: couldn't find device at index 0 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000240)={&(0x7f0000000180), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r1, 0x200, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x40004) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0xb0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="020025bd7000fedbdf25010000000c0005000e0000000000000008000a006e6264000c000800f8ffff6caeffffffffff08000a006e626400d5e22e2cb293ed414d1c9fcd806a2b41d241edbbe5a48de9b0f4013b2808ed4183c52dc1fd517f6f233f4d4eff909bcfa7a3496fa121fad7d86f48d7c01b34a7e3ac9e83f20dbde2722a7886533d0533bc7e109e52c91b045c6ebc6f5a51395f632e4718bc8833ba9697207a26d086e946f56f14a4ed26775a7b9534025b9bc9018ff2dda3aed9869c61b342bb0c77642abd2e3f32646cb0c97ee347303f9516ac5a"], 0x3c}, 0x1, 0x0, 0x0, 0x4008000}, 0x20000040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="fd002cbd7000ec5ff5e7502edc7f080001"], 0x80}}, 0x4000) 21:53:35 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16, @ANYBLOB="000428bd7000fcdbdf25010000000c000200830f0000000000000c00080001ffffffffffffff1c00078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08fc02de", @ANYRES32=r3, @ANYBLOB="0c00050004000000000000000c0003000101000000000000"], 0x60}, 0x1, 0x0, 0x0, 0x4000}, 0x44090) 21:53:35 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) [ 2188.661888] nbd: must specify a device to reconfigure [ 2188.673074] nbd: couldn't find a device at index 1 21:53:35 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2188.717844] nbd: couldn't find a device at index 1 21:53:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000040)={0x5}, 0x8) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r5, 0x200, 0x70bd2c, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4000004}, 0x0) 21:53:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f00000002c0)={0x2020}, 0x1b46) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="6bed8511811f6981d3f3ec9ff29245b9c9e59b015b7146b8142914872ab8471c2b7c1e361697c353f6646fe357f1dc3b9b29b4c72b636d66845cc2e24e3dc6e28c287900"/78, @ANYRES16=r2, @ANYBLOB="010034bd7000ffdbdf2502000000080001"], 0x80}}, 0x4080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_genetlink_get_family_id$nbd(0x0, r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f00000000c0)={'erspan0\x00', &(0x7f0000000040)={'sit0\x00', 0x0, 0x20, 0x10, 0xfffffffd, 0x8, {{0x12, 0x4, 0x0, 0x7, 0x48, 0x68, 0x0, 0x4, 0x4, 0x0, @broadcast, @initdev={0xac, 0x1e, 0x0, 0x0}, {[@rr={0x7, 0x7, 0xbd, [@private=0xa010101]}, @timestamp_prespec={0x44, 0xc, 0x47, 0x3, 0x3, [{@local, 0x7f}]}, @rr={0x7, 0xb, 0xd5, [@private=0xa010102, @dev={0xac, 0x14, 0x14, 0x38}]}, @generic={0x82, 0xd, "c587c4b70377aed0f96413"}, @lsrr={0x83, 0x7, 0xf3, [@rand_addr=0x64010100]}]}}}}}) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r2, 0x89f1, &(0x7f0000000180)={'ip6gre0\x00', &(0x7f0000000100)={'syztnl0\x00', r3, 0x29, 0x2, 0xb5, 0x7, 0x0, @private1={0xfc, 0x1, '\x00', 0x1}, @dev={0xfe, 0x80, '\x00', 0x2b}, 0x10, 0x700, 0x6, 0xfffffafd}}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2188.748354] block nbd5: not configured, cannot reconfigure [ 2188.788360] nbd: couldn't find device at index 0 21:53:35 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100040000000000000005fb0b000c000500000006000000000000000780"], 0x24}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5ce02300e2c2817197cbd37eb041ac785a0479956c98eb3d817ee5f9e6d6c0422e2bd2c3e6d2faca4e44d2b0894968d957e9d2d6c1cf48b3e8d0030d898b6c02e4cf26fdbd17a6164151590bbb667fd9", @ANYRES16=r3, @ANYRES8=r0], 0x50}, 0x1, 0x0, 0x0, 0x1}, 0x4840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r9 = syz_open_dev$vcsa(&(0x7f0000000300), 0x7, 0x89f3e5266020a9b0) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xc0, r3, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x82}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '#@{\''}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x24000089}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:35 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100040000000000000005fb0b000c000500000006000000000000000780"], 0x24}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5ce02300e2c2817197cbd37eb041ac785a0479956c98eb3d817ee5f9e6d6c0422e2bd2c3e6d2faca4e44d2b0894968d957e9d2d6c1cf48b3e8d0030d898b6c02e4cf26fdbd17a6164151590bbb667fd9", @ANYRES16=r3, @ANYRES8=r0], 0x50}, 0x1, 0x0, 0x0, 0x1}, 0x4840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r9 = syz_open_dev$vcsa(&(0x7f0000000300), 0x7, 0x89f3e5266020a9b0) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xc0, r3, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x82}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '#@{\''}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x24000089}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2188.821045] nbd: couldn't find device at index 0 21:53:35 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100040000000000000005fb0b000c000500000006000000000000000780"], 0x24}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="5ce02300e2c2817197cbd37eb041ac785a0479956c98eb3d817ee5f9e6d6c0422e2bd2c3e6d2faca4e44d2b0894968d957e9d2d6c1cf48b3e8d0030d898b6c02e4cf26fdbd17a6164151590bbb667fd9", @ANYRES16=r3, @ANYRES8=r0], 0x50}, 0x1, 0x0, 0x0, 0x1}, 0x4840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r9 = syz_open_dev$vcsa(&(0x7f0000000300), 0x7, 0x89f3e5266020a9b0) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000440)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xc0, r3, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x82}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '#@{\''}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x24000089}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x8011}, 0x24004004) 21:53:35 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020, 0x0, 0x0}, 0x2020) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r6 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x0, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000100)={0xffffffffffffffff}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f0000000140)={'wlan0\x00'}) read$FUSE(r9, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="d8000000", @ANYRES16=r2, @ANYBLOB="000428bd7000fedbdf25010000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRESDEC=r11, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0006004234babc912c2bb80c00080002000000000000003c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="082eafb3", @ANYRES32, @ANYBLOB="170001e4dd06e3113d77551791b3b65792c1551945e76e4b07a8348e1094b57670fafdefb36f8d8b81c7c350b026d9bc1776f8587492ae151ce45865132862042810fb1f5fe2ac", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c00060001000000000000000c00020000000000000000001c00078008000100", @ANYRES32, @ANYRESOCT=r10, @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYRES64], 0xd8}, 0x1, 0x0, 0x0, 0x40008}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r12, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_DIRENT(r12, &(0x7f0000002340)={0xd0, 0x0, r4, [{0x2, 0x4, 0x4, 0x52, '$-@*'}, {0x0, 0x7, 0x2, 0x0, '#.'}, {0x6, 0x100000000, 0x4, 0x10000, 'nbd\x00'}, {0x4, 0x0, 0x3, 0x8, '-)#'}, {0x1, 0x100000001, 0x3, 0x1, '-[{'}, {0x4, 0xffffffffffffffc0, 0x2, 0x5, '%@'}]}, 0xd0) [ 2188.883120] nbd: couldn't find device at index 0 21:53:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020, 0x0, 0x0}, 0x2020) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r6 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x0, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000100)={0xffffffffffffffff}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r5, 0x8933, &(0x7f0000000140)={'wlan0\x00'}) read$FUSE(r9, &(0x7f0000000300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r11 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="d8000000", @ANYRES16=r2, @ANYBLOB="000428bd7000fedbdf25010000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRESDEC=r11, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0006004234babc912c2bb80c00080002000000000000003c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="082eafb3", @ANYRES32, @ANYBLOB="170001e4dd06e3113d77551791b3b65792c1551945e76e4b07a8348e1094b57670fafdefb36f8d8b81c7c350b026d9bc1776f8587492ae151ce45865132862042810fb1f5fe2ac", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="0c00060001000000000000000c00020000000000000000001c00078008000100", @ANYRES32, @ANYRESOCT=r10, @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYRES64], 0xd8}, 0x1, 0x0, 0x0, 0x40008}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r12, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_DIRENT(r12, &(0x7f0000002340)={0xd0, 0x0, r4, [{0x2, 0x4, 0x4, 0x52, '$-@*'}, {0x0, 0x7, 0x2, 0x0, '#.'}, {0x6, 0x100000000, 0x4, 0x10000, 'nbd\x00'}, {0x4, 0x0, 0x3, 0x8, '-)#'}, {0x1, 0x100000001, 0x3, 0x1, '-[{'}, {0x4, 0xffffffffffffffc0, 0x2, 0x5, '%@'}]}, 0xd0) 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x2, 0x70bda8, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2c}]}, 0xfffffffffffffffa}, 0x1, 0x0, 0x0, 0x1}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)=ANY=[@ANYBLOB="1801933ff7a1964f000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:35 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) pipe2$watch_queue(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = accept(0xffffffffffffffff, 0x0, &(0x7f00000000c0)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, 0x0, 0x20, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x240040c0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, 0x0, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) socket$rxrpc(0x21, 0x2, 0xa) [ 2188.940228] block nbd5: not configured, cannot reconfigure 21:53:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000000180)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x6, "e8ca0d21acb714"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000001180)={0x0, r2, "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", "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"}) 21:53:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, 0x0, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x84, r1, 0x100, 0x70bd26, 0x1, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x965}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}]}, 0x84}, 0x1, 0x0, 0x0, 0x40051}, 0x880) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 21:53:35 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x60040) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="c9424545778bf0d7cf25c0ff0000080001"], 0x80}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000000000003}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2d5f}]}, 0x40}, 0x1, 0x0, 0x0, 0x4054}, 0x28002814) 21:53:35 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x300, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x60040) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="c9424545778bf0d7cf25c0ff0000080001"], 0x80}}, 0x0) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r3, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000000000003}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2d5f}]}, 0x40}, 0x1, 0x0, 0x0, 0x4054}, 0x28002814) 21:53:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) r5 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002340), 0x2, 0x0) read$FUSE(r5, &(0x7f0000002380)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000180)={0xffffffffffffffff}) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = syz_open_dev$vcsa(&(0x7f00000001c0), 0x0, 0x200000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, r1, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x96a}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x10}, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001000000000088cf7f336283260e514eb61ee02dec3cefeba12786f2a08dc073ad68995ad180ed0478f843cbf02c3f226379580b3c49c50cef0e0137e12484665f0a7138ecb87d2d011fa8d133303ec749cb4b462cf42ab1140b3ef3e3ec0d7100a1f5b76da0b1e732912c573f484ddacc6b6d795abfd26e395686ea17661e57074549b284df227f7f3edfeec2f8d62e6730989ad5503b615e3b107fdc789892e9665d13e734e8c784869e0b15b9c9"], 0x1c}}, 0x0) [ 2189.053769] nbd: couldn't find device at index 0 21:53:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, 0x0, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:35 executing program 3: socket$pppoe(0x18, 0x1, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r0, &(0x7f0000000300)={0x2020}, 0x2020) connect$pppoe(r0, &(0x7f0000000040)={0x18, 0x0, {0x2, @broadcast, 'bond_slave_1\x00'}}, 0x1e) ioctl$PERF_EVENT_IOC_DISABLE(0xffffffffffffffff, 0x2401, 0x2) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080), 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r2, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x8005}, 0x2000080) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r2, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) [ 2189.113163] nbd: couldn't find a device at index 2 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) [ 2189.160137] nbd: couldn't find a device at index 0 21:53:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) [ 2189.184719] nbd: must specify an index to disconnect 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2189.213150] nbd: must specify an index to disconnect 21:53:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r1, 0x1, 0xcf3, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffd}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nb\xff\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8e}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="58477394feb39f3a0fa039d21243eefb3dac9db1cb4516b291dbb62ca36b5934341c3eb1bcdb01f672670300000000000000b9d0770216f778b65e80e68c9d2d8c2e5b04fe2e49111de39e726c75c9a785abbc810b3bc332f67ee52b950d0919d65cc7cb8d46cc433149a3eca7c1eb36ad1ebe52a27d2f0a3bdbeb049b8ea6018997f51e2eb63f2eae079c1fdb2ffa542a7783e7544967903afe8dd72dcc52651f6548de1b6854186710b8ae256397c025d259ae82a0cb3db9e2ed169d0000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000000800017d"], 0x80}}, 0x0) 21:53:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2189.238124] nbd: couldn't find device at index 0 [ 2189.247187] nbd: must specify an index to disconnect [ 2189.254450] nbd: must specify an index to disconnect 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="800000003ce6e571d474c19bb51d813636057cb0358612e6c330d584b543668ed361a8f930c074a5a096b405f348", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080), 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r1, 0x1, 0xcf3, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffd}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nb\xff\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8e}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)=ANY=[@ANYBLOB="58477394feb39f3a0fa039d21243eefb3dac9db1cb4516b291dbb62ca36b5934341c3eb1bcdb01f672670300000000000000b9d0770216f778b65e80e68c9d2d8c2e5b04fe2e49111de39e726c75c9a785abbc810b3bc332f67ee52b950d0919d65cc7cb8d46cc433149a3eca7c1eb36ad1ebe52a27d2f0a3bdbeb049b8ea6018997f51e2eb63f2eae079c1fdb2ffa542a7783e7544967903afe8dd72dcc52651f6548de1b6854186710b8ae256397c025d259ae82a0cb3db9e2ed169d0000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf25020000000800017d"], 0x80}}, 0x0) [ 2189.318654] nbd: couldn't find device at index 0 [ 2189.335521] nbd: must specify an index to disconnect 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x4, 0x450000) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000002380)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000002340)={&(0x7f00000023c0)=ANY=[@ANYBLOB, @ANYRES16=r3, @ANYBLOB="000827bd7000ffdbdf25010000001c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="caf030be81fcecffffffff17d46333e14f763b6a620c959c7973842bca4a3300"/46, @ANYRES32, @ANYBLOB="05000a002700000008000100000000000c0002000900000000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x4000044}, 0x804c) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x2c, 0x4, 0xffffffff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair(0x18, 0x1, 0x4, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(r8, 0x89e2, &(0x7f00000002c0)={r9}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB='h\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="02002bbd7000ffdbdf25030000000c00040005000000000000000c000400ffffffffffffff7f0c00078008000100", @ANYRES32, @ANYBLOB="2500072c78386fc7", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB='\f\x00\b\x00\x00\x00\x00\x00\x00\x00\x00\x00'], 0x68}, 0x1, 0x0, 0x0, 0x20040044}, 0x24040010) 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r5, 0x6aa, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x81) 21:53:36 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, r6, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '-\x90),!'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x12}, 0x4) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, r2, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x78}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}, 0x1, 0x0, 0x0, 0x4008850}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2189.396916] nbd: must specify an index to disconnect 21:53:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000002380)={0x0, 0x0, &(0x7f0000002340)={&(0x7f0000000080)=ANY=[@ANYBLOB="1100", @ANYRES16=r2, @ANYBLOB="01"], 0x14}}, 0x40) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2189.453731] nbd: must specify an index to disconnect 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000002400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000280)={&(0x7f0000002380)={0x44, r1, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x113}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x29}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x20004040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = accept(0xffffffffffffffff, &(0x7f0000000040)=@alg, &(0x7f00000000c0)=0x80) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0x94, r4, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '[)['}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x49}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff8000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf417}]}, 0x94}}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000002380)={0x0, 0x0, &(0x7f0000002340)={&(0x7f0000000080)=ANY=[@ANYRES16=r2, @ANYBLOB="01"], 0x14}}, 0x40) [ 2189.557568] nbd: must specify an index to disconnect 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r6, 0x0) 21:53:36 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000000000)={0x150, 0xfffffffffffffff5, 0x0, [{{0x6, 0x2, 0xebb, 0x1, 0x1ff, 0x0, {0x4, 0xffffffff, 0x5, 0xa60, 0x2, 0x9, 0x5ac9, 0x7, 0x15, 0x4000, 0x0, 0xee00, 0xee00, 0x6, 0x81}}, {0x0, 0x9, 0x2, 0x3, 'T\xf3'}}, {{0x2, 0x0, 0xfffffffffffffffd, 0x9, 0x8, 0x2, {0x2, 0x1, 0x9, 0x2d, 0x100, 0x904e, 0x1ff, 0x9a, 0x2, 0x6000, 0xff, 0xee00, 0xffffffffffffffff, 0x53}}, {0x2, 0x1, 0x8, 0x5974, '\xd7%(!$(!\\'}}]}, 0x150) syz_genetlink_get_family_id$nbd(0x0, r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000002380)={0x0, 0x0, &(0x7f0000002340)={&(0x7f0000000080)=ANY=[@ANYBLOB="11000000", @ANYRES16, @ANYBLOB="01"], 0x14}}, 0x40) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) pipe2$watch_queue(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000100)) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0xffffffffffffffff, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) r10 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r10, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f0000000140)=ANY=[@ANYBLOB="e8000000", @ANYRES16=0x0, @ANYBLOB="00022abd7000ffdbdf25010000000c0005000f000000000000000c00030001000000000000000c00060001000000000000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="2c00078008000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000a006e6264004c00078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0851aaf9", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="0c0005000000000000000000"], 0xe8}, 0x1, 0x0, 0x0, 0x4047}, 0x20) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000002440)=ANY=[@ANYBLOB="890e00000e9f28786053a144f90e337e6fcb8537e490805b024320f0683375051f0eb68781f518a1033fa6d090bab6aae95a55fb74bb045eec6c93980a7359f73a1c6cb843a46ff80f29d32c73b678ab395bb3356c372cf6eae6d0984a1311d35fa2b4165f89dd85df80fa2be7d164a45d65c670de2dc1731d5f10e5d36e263ce60a32a586ced9ea34c3a3b3e5226c723826c2a0023876acde9faa1c8e0a2450ed70f1c4525c268268478f2f67e58495b1869d04c9e914e4e64eba748d72fbe710", @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000800010000000000210b6e1bdc65f08b3be1acad8fd9db34831b97a3627bd104ca398340d0206c27fa64c5ea5e7845a288661bace3dc43af650000"], 0x1c}}, 0x0) 21:53:36 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000002380)={0x0, 0x0, &(0x7f0000002340)={&(0x7f0000000080)=ANY=[@ANYBLOB="11000000", @ANYBLOB="01"], 0x14}}, 0x40) 21:53:36 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000180)={0x7f, 0x1, 0xff}) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$TIOCEXCL(r1, 0x540c) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='\t\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000226bd7000fcdb5f25020000000c00060003000000000000000800010000000000"], 0x28}, 0x1, 0x0, 0x0, 0x4804}, 0x14) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r3, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, 0xffffffffffffffff, 0x0) [ 2189.717091] nbd: must specify an index to disconnect 21:53:36 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$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 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$nbd(0x0, r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 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$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000002380)={0x0, 0x0, &(0x7f0000002340)={&(0x7f0000000080)=ANY=[@ANYBLOB="11000000", @ANYRES16=r2, @ANYBLOB], 0x14}}, 0x40) [ 2189.774141] nbd: couldn't find device at index 0 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = accept(0xffffffffffffffff, 0x0, &(0x7f0000000180)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x5c, r1, 0x100, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}]}, 0x5c}, 0x1, 0x0, 0x0, 0x14}, 0x14) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(0x0, r7) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000002380)={0x0, 0x0, &(0x7f0000002340)={&(0x7f0000000080)=ANY=[@ANYBLOB="11000000", @ANYRES16=r2, @ANYBLOB], 0x14}}, 0x40) 21:53:36 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, 0xffffffffffffffff, 0x0) [ 2189.859537] nbd: must specify an index to disconnect 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:36 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (fail_nth: 1) 21:53:36 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (fail_nth: 1) 21:53:36 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:36 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2189.982896] nbd: must specify an index to disconnect [ 2189.985777] FAULT_INJECTION: forcing a failure. [ 2189.985777] name failslab, interval 1, probability 0, space 0, times 0 [ 2189.988549] FAULT_INJECTION: forcing a failure. [ 2189.988549] name failslab, interval 1, probability 0, space 0, times 0 21:53:36 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, 0xffffffffffffffff, 0x0) [ 2190.035988] CPU: 1 PID: 6112 Comm: syz-executor.1 Not tainted 4.14.292-syzkaller #0 [ 2190.043812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2190.053189] Call Trace: [ 2190.055785] dump_stack+0x1b2/0x281 [ 2190.059402] should_fail.cold+0x10a/0x149 [ 2190.063555] should_failslab+0xd6/0x130 [ 2190.067515] kmem_cache_alloc_node+0x263/0x410 [ 2190.072085] __alloc_skb+0x5c/0x510 [ 2190.075700] netlink_sendmsg+0x91e/0xbc0 [ 2190.079750] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.083704] ? kernel_recvmsg+0x210/0x210 [ 2190.087838] ? security_socket_sendmsg+0x83/0xb0 [ 2190.092598] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.096914] sock_sendmsg+0xb5/0x100 [ 2190.100620] ___sys_sendmsg+0x6c8/0x800 [ 2190.104586] ? get_pid_task+0x91/0x130 [ 2190.108465] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2190.113208] ? lock_downgrade+0x740/0x740 [ 2190.117340] ? __fget+0x23e/0x3e0 [ 2190.120777] ? lock_acquire+0x170/0x3f0 [ 2190.124734] ? lock_downgrade+0x740/0x740 [ 2190.128881] ? __fget+0x265/0x3e0 [ 2190.132321] ? __fdget+0x19b/0x1f0 [ 2190.135843] ? sockfd_lookup_light+0xb2/0x160 [ 2190.140322] __sys_sendmsg+0xa3/0x120 [ 2190.144115] ? SyS_shutdown+0x160/0x160 [ 2190.148083] ? wait_for_completion_io+0x10/0x10 [ 2190.152741] ? SyS_read+0x210/0x210 [ 2190.156355] SyS_sendmsg+0x27/0x40 [ 2190.159906] ? __sys_sendmsg+0x120/0x120 [ 2190.164902] do_syscall_64+0x1d5/0x640 [ 2190.168785] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2190.174071] RIP: 0033:0x7f1d578dc279 [ 2190.177770] RSP: 002b:00007f1d56251168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2190.185475] RAX: ffffffffffffffda RBX: 00007f1d579eef80 RCX: 00007f1d578dc279 [ 2190.192726] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 [ 2190.199988] RBP: 00007f1d562511d0 R08: 0000000000000000 R09: 0000000000000000 [ 2190.207240] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2190.214492] R13: 00007ffc1fbd266f R14: 00007f1d56251300 R15: 0000000000022000 [ 2190.221762] CPU: 0 PID: 6113 Comm: syz-executor.0 Not tainted 4.14.292-syzkaller #0 [ 2190.229660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2190.239013] Call Trace: [ 2190.241605] dump_stack+0x1b2/0x281 [ 2190.245250] should_fail.cold+0x10a/0x149 [ 2190.249403] should_failslab+0xd6/0x130 [ 2190.253386] kmem_cache_alloc_node+0x263/0x410 [ 2190.257980] __alloc_skb+0x5c/0x510 [ 2190.261614] netlink_sendmsg+0x91e/0xbc0 [ 2190.265686] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.269658] ? kernel_recvmsg+0x210/0x210 [ 2190.273805] ? security_socket_sendmsg+0x83/0xb0 [ 2190.278652] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.282629] sock_sendmsg+0xb5/0x100 [ 2190.286350] ___sys_sendmsg+0x6c8/0x800 [ 2190.290322] ? get_pid_task+0x91/0x130 [ 2190.294205] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2190.298963] ? lock_downgrade+0x740/0x740 [ 2190.303114] ? __fget+0x23e/0x3e0 [ 2190.306726] ? lock_acquire+0x170/0x3f0 [ 2190.310696] ? lock_downgrade+0x740/0x740 [ 2190.314848] ? __fget+0x265/0x3e0 [ 2190.318305] ? __fdget+0x19b/0x1f0 [ 2190.321844] ? sockfd_lookup_light+0xb2/0x160 [ 2190.326347] __sys_sendmsg+0xa3/0x120 [ 2190.330149] ? SyS_shutdown+0x160/0x160 [ 2190.334119] ? wait_for_completion_io+0x10/0x10 [ 2190.338823] ? SyS_read+0x210/0x210 [ 2190.342459] SyS_sendmsg+0x27/0x40 [ 2190.346001] ? __sys_sendmsg+0x120/0x120 [ 2190.350061] do_syscall_64+0x1d5/0x640 [ 2190.353954] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2190.359134] RIP: 0033:0x7f3d88b5f279 [ 2190.362840] RSP: 002b:00007f3d874d4168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2190.370571] RAX: ffffffffffffffda RBX: 00007f3d88c71f80 RCX: 00007f3d88b5f279 [ 2190.377839] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 21:53:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (fail_nth: 2) 21:53:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (fail_nth: 2) [ 2190.385101] RBP: 00007f3d874d41d0 R08: 0000000000000000 R09: 0000000000000000 [ 2190.392368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2190.399636] R13: 00007ffd415c74cf R14: 00007f3d874d4300 R15: 0000000000022000 21:53:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (fail_nth: 1) 21:53:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r5, 0x0) 21:53:37 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2190.472563] FAULT_INJECTION: forcing a failure. [ 2190.472563] name failslab, interval 1, probability 0, space 0, times 0 [ 2190.498836] nbd: must specify an index to disconnect [ 2190.514997] FAULT_INJECTION: forcing a failure. [ 2190.514997] name failslab, interval 1, probability 0, space 0, times 0 [ 2190.523030] CPU: 0 PID: 6139 Comm: syz-executor.0 Not tainted 4.14.292-syzkaller #0 [ 2190.533991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2190.543338] Call Trace: [ 2190.545925] dump_stack+0x1b2/0x281 [ 2190.549553] should_fail.cold+0x10a/0x149 [ 2190.553700] should_failslab+0xd6/0x130 [ 2190.557673] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2190.562776] __kmalloc_node_track_caller+0x38/0x70 [ 2190.567709] __alloc_skb+0x96/0x510 [ 2190.571339] netlink_sendmsg+0x91e/0xbc0 [ 2190.575404] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.579375] ? kernel_recvmsg+0x210/0x210 [ 2190.583520] ? security_socket_sendmsg+0x83/0xb0 [ 2190.588279] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.592260] sock_sendmsg+0xb5/0x100 [ 2190.595975] ___sys_sendmsg+0x6c8/0x800 [ 2190.599949] ? get_pid_task+0x91/0x130 [ 2190.603829] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2190.608586] ? lock_downgrade+0x740/0x740 [ 2190.612744] ? __fget+0x23e/0x3e0 [ 2190.616199] ? lock_acquire+0x170/0x3f0 [ 2190.620167] ? lock_downgrade+0x740/0x740 [ 2190.624314] ? __fget+0x265/0x3e0 [ 2190.627779] ? __fdget+0x19b/0x1f0 [ 2190.631310] ? sockfd_lookup_light+0xb2/0x160 [ 2190.635799] __sys_sendmsg+0xa3/0x120 [ 2190.639595] ? SyS_shutdown+0x160/0x160 [ 2190.643559] ? wait_for_completion_io+0x10/0x10 [ 2190.648235] ? SyS_read+0x210/0x210 [ 2190.651876] SyS_sendmsg+0x27/0x40 [ 2190.655403] ? __sys_sendmsg+0x120/0x120 [ 2190.659447] do_syscall_64+0x1d5/0x640 [ 2190.663323] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2190.668494] RIP: 0033:0x7f3d88b5f279 [ 2190.672198] RSP: 002b:00007f3d874d4168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2190.679909] RAX: ffffffffffffffda RBX: 00007f3d88c71f80 RCX: 00007f3d88b5f279 [ 2190.687181] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 [ 2190.694452] RBP: 00007f3d874d41d0 R08: 0000000000000000 R09: 0000000000000000 [ 2190.701716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2190.708977] R13: 00007ffd415c74cf R14: 00007f3d874d4300 R15: 0000000000022000 [ 2190.716246] CPU: 1 PID: 6146 Comm: syz-executor.1 Not tainted 4.14.292-syzkaller #0 [ 2190.724433] FAULT_INJECTION: forcing a failure. [ 2190.724433] name failslab, interval 1, probability 0, space 0, times 0 [ 2190.724486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2190.744997] Call Trace: [ 2190.747579] dump_stack+0x1b2/0x281 [ 2190.751202] should_fail.cold+0x10a/0x149 [ 2190.755341] should_failslab+0xd6/0x130 [ 2190.759300] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2190.764393] __kmalloc_node_track_caller+0x38/0x70 [ 2190.769320] __alloc_skb+0x96/0x510 [ 2190.773289] netlink_sendmsg+0x91e/0xbc0 [ 2190.777337] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.781310] ? kernel_recvmsg+0x210/0x210 [ 2190.785445] ? security_socket_sendmsg+0x83/0xb0 [ 2190.790202] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.794160] sock_sendmsg+0xb5/0x100 [ 2190.797858] ___sys_sendmsg+0x6c8/0x800 [ 2190.801815] ? get_pid_task+0x91/0x130 [ 2190.805686] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2190.810429] ? lock_downgrade+0x740/0x740 [ 2190.814568] ? __fget+0x23e/0x3e0 [ 2190.818430] ? lock_acquire+0x170/0x3f0 [ 2190.822387] ? lock_downgrade+0x740/0x740 [ 2190.826523] ? __fget+0x265/0x3e0 [ 2190.829978] ? __fdget+0x19b/0x1f0 [ 2190.834210] ? sockfd_lookup_light+0xb2/0x160 [ 2190.838701] __sys_sendmsg+0xa3/0x120 [ 2190.842495] ? SyS_shutdown+0x160/0x160 [ 2190.846456] ? wait_for_completion_io+0x10/0x10 [ 2190.851114] ? SyS_read+0x210/0x210 [ 2190.854727] SyS_sendmsg+0x27/0x40 [ 2190.858259] ? __sys_sendmsg+0x120/0x120 [ 2190.862324] do_syscall_64+0x1d5/0x640 [ 2190.866214] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2190.871394] RIP: 0033:0x7f1d578dc279 [ 2190.875092] RSP: 002b:00007f1d56251168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2190.882790] RAX: ffffffffffffffda RBX: 00007f1d579eef80 RCX: 00007f1d578dc279 [ 2190.890045] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 [ 2190.897295] RBP: 00007f1d562511d0 R08: 0000000000000000 R09: 0000000000000000 [ 2190.904559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2190.911821] R13: 00007ffc1fbd266f R14: 00007f1d56251300 R15: 0000000000022000 [ 2190.919091] CPU: 0 PID: 6163 Comm: syz-executor.3 Not tainted 4.14.292-syzkaller #0 [ 2190.926896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2190.936263] Call Trace: [ 2190.936281] dump_stack+0x1b2/0x281 [ 2190.942485] should_fail.cold+0x10a/0x149 [ 2190.946638] should_failslab+0xd6/0x130 [ 2190.950624] kmem_cache_alloc_node+0x263/0x410 [ 2190.955219] __alloc_skb+0x5c/0x510 [ 2190.958852] netlink_sendmsg+0x91e/0xbc0 [ 2190.963091] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.967061] ? kernel_recvmsg+0x210/0x210 21:53:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (fail_nth: 3) [ 2190.971211] ? security_socket_sendmsg+0x83/0xb0 [ 2190.975968] ? nlmsg_notify+0x1b0/0x1b0 [ 2190.979950] sock_sendmsg+0xb5/0x100 [ 2190.983680] ___sys_sendmsg+0x6c8/0x800 [ 2190.987651] ? get_pid_task+0x91/0x130 [ 2190.991545] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2190.996302] ? lock_downgrade+0x740/0x740 [ 2191.000443] ? __fget+0x23e/0x3e0 [ 2191.003878] ? lock_acquire+0x170/0x3f0 [ 2191.007832] ? lock_downgrade+0x740/0x740 [ 2191.011969] ? __fget+0x265/0x3e0 [ 2191.015542] ? __fdget+0x19b/0x1f0 [ 2191.019063] ? sockfd_lookup_light+0xb2/0x160 [ 2191.023559] __sys_sendmsg+0xa3/0x120 [ 2191.027341] ? SyS_shutdown+0x160/0x160 [ 2191.031301] ? wait_for_completion_io+0x10/0x10 [ 2191.035953] ? SyS_read+0x210/0x210 [ 2191.039566] ? __do_page_fault+0x159/0xad0 [ 2191.043187] FAULT_INJECTION: forcing a failure. [ 2191.043187] name failslab, interval 1, probability 0, space 0, times 0 [ 2191.043789] SyS_sendmsg+0x27/0x40 [ 2191.058489] ? __sys_sendmsg+0x120/0x120 [ 2191.062549] do_syscall_64+0x1d5/0x640 [ 2191.066436] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2191.071618] RIP: 0033:0x7f430b852279 21:53:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r5, 0x0) [ 2191.075310] RSP: 002b:00007f430a1a6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2191.083001] RAX: ffffffffffffffda RBX: 00007f430b965050 RCX: 00007f430b852279 [ 2191.090269] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 [ 2191.097526] RBP: 00007f430a1a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 2191.104821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2191.112074] R13: 00007ffdfbaade2f R14: 00007f430a1a6300 R15: 0000000000022000 21:53:38 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (fail_nth: 2) [ 2191.163777] CPU: 1 PID: 6169 Comm: syz-executor.0 Not tainted 4.14.292-syzkaller #0 [ 2191.171592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2191.181059] Call Trace: [ 2191.183650] dump_stack+0x1b2/0x281 [ 2191.187287] should_fail.cold+0x10a/0x149 [ 2191.191440] should_failslab+0xd6/0x130 [ 2191.195422] kmem_cache_alloc_node+0x263/0x410 [ 2191.200100] __alloc_skb+0x5c/0x510 [ 2191.203828] netlink_ack+0x216/0x9a0 [ 2191.207562] ? netlink_sendmsg+0xbc0/0xbc0 [ 2191.211864] netlink_rcv_skb+0x2c5/0x390 [ 2191.215923] ? genl_family_rcv_msg+0xb20/0xb20 [ 2191.220528] ? netlink_ack+0x9a0/0x9a0 [ 2191.224419] ? lock_acquire+0x170/0x3f0 [ 2191.228396] genl_rcv+0x24/0x40 [ 2191.231677] netlink_unicast+0x437/0x610 [ 2191.235739] ? netlink_sendskb+0xd0/0xd0 [ 2191.239825] ? __check_object_size+0x179/0x230 [ 2191.244405] netlink_sendmsg+0x648/0xbc0 [ 2191.248471] ? nlmsg_notify+0x1b0/0x1b0 [ 2191.252425] FAULT_INJECTION: forcing a failure. [ 2191.252425] name failslab, interval 1, probability 0, space 0, times 0 [ 2191.263601] ? kernel_recvmsg+0x210/0x210 [ 2191.267750] ? security_socket_sendmsg+0x83/0xb0 [ 2191.272502] ? nlmsg_notify+0x1b0/0x1b0 [ 2191.276477] sock_sendmsg+0xb5/0x100 [ 2191.280190] ___sys_sendmsg+0x6c8/0x800 [ 2191.284175] ? get_pid_task+0x91/0x130 [ 2191.288059] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2191.292813] ? lock_downgrade+0x740/0x740 [ 2191.296960] ? __fget+0x23e/0x3e0 [ 2191.300403] ? lock_acquire+0x170/0x3f0 [ 2191.304393] ? lock_downgrade+0x740/0x740 [ 2191.308566] ? __fget+0x265/0x3e0 [ 2191.312027] ? __fdget+0x19b/0x1f0 [ 2191.315551] ? sockfd_lookup_light+0xb2/0x160 [ 2191.320295] __sys_sendmsg+0xa3/0x120 [ 2191.324092] ? SyS_shutdown+0x160/0x160 [ 2191.328060] ? wait_for_completion_io+0x10/0x10 [ 2191.332734] ? SyS_read+0x210/0x210 [ 2191.336362] ? __do_page_fault+0x159/0xad0 [ 2191.340586] SyS_sendmsg+0x27/0x40 [ 2191.344127] ? __sys_sendmsg+0x120/0x120 [ 2191.348177] do_syscall_64+0x1d5/0x640 [ 2191.352057] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2191.357235] RIP: 0033:0x7f3d88b5f279 [ 2191.360931] RSP: 002b:00007f3d874b3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2191.368626] RAX: ffffffffffffffda RBX: 00007f3d88c72050 RCX: 00007f3d88b5f279 [ 2191.375987] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 [ 2191.383244] RBP: 00007f3d874b31d0 R08: 0000000000000000 R09: 0000000000000000 [ 2191.390506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2191.397775] R13: 00007ffd415c74cf R14: 00007f3d874b3300 R15: 0000000000022000 [ 2191.405059] CPU: 0 PID: 6190 Comm: syz-executor.3 Not tainted 4.14.292-syzkaller #0 [ 2191.412965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2191.422326] Call Trace: [ 2191.422342] dump_stack+0x1b2/0x281 [ 2191.422357] should_fail.cold+0x10a/0x149 [ 2191.432691] should_failslab+0xd6/0x130 [ 2191.436683] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2191.441824] __kmalloc_node_track_caller+0x38/0x70 [ 2191.446747] __alloc_skb+0x96/0x510 [ 2191.450363] netlink_sendmsg+0x91e/0xbc0 [ 2191.454422] ? nlmsg_notify+0x1b0/0x1b0 [ 2191.458391] ? kernel_recvmsg+0x210/0x210 21:53:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (fail_nth: 4) 21:53:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (fail_nth: 3) [ 2191.462539] ? security_socket_sendmsg+0x83/0xb0 [ 2191.467302] ? nlmsg_notify+0x1b0/0x1b0 [ 2191.471275] sock_sendmsg+0xb5/0x100 [ 2191.474990] ___sys_sendmsg+0x6c8/0x800 [ 2191.479009] ? get_pid_task+0x91/0x130 [ 2191.482897] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2191.487652] ? lock_downgrade+0x740/0x740 [ 2191.491802] ? __fget+0x23e/0x3e0 [ 2191.495260] ? lock_acquire+0x170/0x3f0 [ 2191.499233] ? lock_downgrade+0x740/0x740 [ 2191.503471] ? __fget+0x265/0x3e0 [ 2191.506959] ? __fdget+0x19b/0x1f0 [ 2191.510506] ? sockfd_lookup_light+0xb2/0x160 [ 2191.514991] __sys_sendmsg+0xa3/0x120 [ 2191.518777] ? SyS_shutdown+0x160/0x160 [ 2191.522741] ? wait_for_completion_io+0x10/0x10 [ 2191.527390] ? SyS_read+0x210/0x210 [ 2191.530996] ? __do_page_fault+0x159/0xad0 [ 2191.533118] FAULT_INJECTION: forcing a failure. [ 2191.533118] name failslab, interval 1, probability 0, space 0, times 0 [ 2191.535217] SyS_sendmsg+0x27/0x40 [ 2191.535227] ? __sys_sendmsg+0x120/0x120 [ 2191.535238] do_syscall_64+0x1d5/0x640 [ 2191.535254] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2191.563039] RIP: 0033:0x7f430b852279 [ 2191.566741] RSP: 002b:00007f430a1a6168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2191.574526] RAX: ffffffffffffffda RBX: 00007f430b965050 RCX: 00007f430b852279 [ 2191.581790] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 [ 2191.589222] RBP: 00007f430a1a61d0 R08: 0000000000000000 R09: 0000000000000000 [ 2191.596482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2191.603738] R13: 00007ffdfbaade2f R14: 00007f430a1a6300 R15: 0000000000022000 [ 2191.611005] CPU: 1 PID: 6202 Comm: syz-executor.1 Not tainted 4.14.292-syzkaller #0 [ 2191.618805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2191.628153] Call Trace: [ 2191.630740] dump_stack+0x1b2/0x281 [ 2191.634456] should_fail.cold+0x10a/0x149 [ 2191.638587] should_failslab+0xd6/0x130 [ 2191.642543] kmem_cache_alloc_node+0x263/0x410 [ 2191.647109] __alloc_skb+0x5c/0x510 [ 2191.650740] netlink_ack+0x216/0x9a0 [ 2191.654444] ? netlink_sendmsg+0xbc0/0xbc0 [ 2191.658659] netlink_rcv_skb+0x2c5/0x390 [ 2191.662699] ? genl_family_rcv_msg+0xb20/0xb20 [ 2191.667267] ? netlink_ack+0x9a0/0x9a0 [ 2191.671147] ? lock_acquire+0x170/0x3f0 [ 2191.675105] genl_rcv+0x24/0x40 [ 2191.678372] netlink_unicast+0x437/0x610 [ 2191.682422] ? netlink_sendskb+0xd0/0xd0 [ 2191.686461] ? __check_object_size+0x179/0x230 [ 2191.691022] netlink_sendmsg+0x648/0xbc0 [ 2191.695096] ? nlmsg_notify+0x1b0/0x1b0 [ 2191.699055] ? kernel_recvmsg+0x210/0x210 [ 2191.703191] ? security_socket_sendmsg+0x83/0xb0 [ 2191.707927] ? nlmsg_notify+0x1b0/0x1b0 [ 2191.711887] sock_sendmsg+0xb5/0x100 [ 2191.715585] ___sys_sendmsg+0x6c8/0x800 [ 2191.719552] ? get_pid_task+0x91/0x130 [ 2191.723425] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2191.728167] ? lock_downgrade+0x740/0x740 [ 2191.732294] ? __fget+0x23e/0x3e0 [ 2191.735732] ? lock_acquire+0x170/0x3f0 [ 2191.739691] ? lock_downgrade+0x740/0x740 [ 2191.743833] ? __fget+0x265/0x3e0 [ 2191.747274] ? __fdget+0x19b/0x1f0 [ 2191.750791] ? sockfd_lookup_light+0xb2/0x160 [ 2191.755283] __sys_sendmsg+0xa3/0x120 [ 2191.759073] ? SyS_shutdown+0x160/0x160 [ 2191.763030] ? wait_for_completion_io+0x10/0x10 [ 2191.767711] ? SyS_read+0x210/0x210 [ 2191.771328] ? __do_page_fault+0x159/0xad0 [ 2191.775560] SyS_sendmsg+0x27/0x40 [ 2191.779083] ? __sys_sendmsg+0x120/0x120 [ 2191.783143] do_syscall_64+0x1d5/0x640 [ 2191.787024] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2191.792207] RIP: 0033:0x7f1d578dc279 [ 2191.795908] RSP: 002b:00007f1d56230168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2191.803629] RAX: ffffffffffffffda RBX: 00007f1d579ef050 RCX: 00007f1d578dc279 21:53:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="000040009c947efca395fd45bc6f9af69d4f3d459ba84332ced3d4f64720a0c07566ecde2a8e5c088ef2231496409d020d037dcb222d1067ed5409f541d316", @ANYBLOB="d902eaa584faba5d3f9263086979feeed236c762455fd56dd2cfb4b5e3326ee217fb1782cd074aac43f17d92a1314cdeb8c3a40a623b2707dbb53b6c5b2460b13733ed809055c0d440df5c0114008fdb262fb437f5ab543cbd91f229295c7102a05ab4a99e16717e7ba7dd", @ANYRES32=r1], 0x1c}, 0x1, 0x0, 0x0, 0x8000000}, 0x0) 21:53:38 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r4) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r5, 0x0) [ 2191.810882] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 [ 2191.818137] RBP: 00007f1d562301d0 R08: 0000000000000000 R09: 0000000000000000 [ 2191.825395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2191.832649] R13: 00007ffc1fbd266f R14: 00007f1d56230300 R15: 0000000000022000 21:53:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (fail_nth: 4) 21:53:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (fail_nth: 3) 21:53:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x20040000) 21:53:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="000040009c947efca395fd45bc6f9af69d4f3d459ba84332ced3d4f64720a0c07566ecde2a8e5c088ef2231496409d020d037dcb222d1067ed5409f541d316", @ANYBLOB="d902eaa584faba5d3f9263086979feeed236c762455fd56dd2cfb4b5e3326ee217fb1782cd074aac43f17d92a1314cdeb8c3a40a623b2707dbb53b6c5b2460b13733ed809055c0d440df5c0114008fdb262fb437f5ab543cbd91f229295c7102a05ab4a99e16717e7ba7dd", @ANYRES32=r1], 0x1c}, 0x1, 0x0, 0x0, 0x8000000}, 0x0) [ 2191.953303] nbd: must specify an index to disconnect [ 2191.981775] nbd: couldn't find device at index 0 [ 2191.987274] nbd: couldn't find a device at index 5020795 [ 2191.987283] FAULT_INJECTION: forcing a failure. [ 2191.987283] name failslab, interval 1, probability 0, space 0, times 0 [ 2191.987295] CPU: 1 PID: 6220 Comm: syz-executor.1 Not tainted 4.14.292-syzkaller #0 [ 2191.993971] FAULT_INJECTION: forcing a failure. [ 2191.993971] name failslab, interval 1, probability 0, space 0, times 0 [ 2192.003921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2192.003927] Call Trace: [ 2192.003944] dump_stack+0x1b2/0x281 [ 2192.003958] should_fail.cold+0x10a/0x149 [ 2192.003972] should_failslab+0xd6/0x130 [ 2192.003984] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2192.003997] __kmalloc_node_track_caller+0x38/0x70 [ 2192.004009] __alloc_skb+0x96/0x510 [ 2192.004020] netlink_ack+0x216/0x9a0 [ 2192.004033] ? netlink_sendmsg+0xbc0/0xbc0 [ 2192.004044] netlink_rcv_skb+0x2c5/0x390 [ 2192.072310] ? genl_family_rcv_msg+0xb20/0xb20 [ 2192.072321] ? netlink_ack+0x9a0/0x9a0 [ 2192.080790] ? lock_acquire+0x170/0x3f0 [ 2192.084779] genl_rcv+0x24/0x40 [ 2192.088062] netlink_unicast+0x437/0x610 [ 2192.092236] ? netlink_sendskb+0xd0/0xd0 [ 2192.096301] ? __check_object_size+0x179/0x230 [ 2192.100888] netlink_sendmsg+0x648/0xbc0 [ 2192.104957] ? nlmsg_notify+0x1b0/0x1b0 [ 2192.108925] ? kernel_recvmsg+0x210/0x210 [ 2192.113063] ? security_socket_sendmsg+0x83/0xb0 [ 2192.117812] ? nlmsg_notify+0x1b0/0x1b0 [ 2192.121799] sock_sendmsg+0xb5/0x100 [ 2192.121809] ___sys_sendmsg+0x6c8/0x800 [ 2192.121819] ? get_pid_task+0x91/0x130 [ 2192.121827] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2192.121839] ? lock_downgrade+0x740/0x740 [ 2192.121852] ? __fget+0x23e/0x3e0 [ 2192.121862] ? lock_acquire+0x170/0x3f0 [ 2192.121871] ? lock_downgrade+0x740/0x740 [ 2192.121882] ? __fget+0x265/0x3e0 [ 2192.121894] ? __fdget+0x19b/0x1f0 [ 2192.127566] nbd: must specify an index to disconnect [ 2192.129559] ? sockfd_lookup_light+0xb2/0x160 [ 2192.129572] __sys_sendmsg+0xa3/0x120 [ 2192.129582] ? SyS_shutdown+0x160/0x160 [ 2192.129593] ? wait_for_completion_io+0x10/0x10 21:53:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="000040009c947efca395fd45bc6f9af69d4f3d459ba84332ced3d4f64720a0c07566ecde2a8e5c088ef2231496409d020d037dcb222d1067ed5409f541d316", @ANYBLOB="d902eaa584faba5d3f9263086979feeed236c762455fd56dd2cfb4b5e3326ee217fb1782cd074aac43f17d92a1314cdeb8c3a40a623b2707dbb53b6c5b2460b13733ed809055c0d440df5c0114008fdb262fb437f5ab543cbd91f229295c7102a05ab4a99e16717e7ba7dd", @ANYRES32=r1], 0x1c}, 0x1, 0x0, 0x0, 0x8000000}, 0x0) 21:53:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES32=r4], 0x1c}}, 0x40000) 21:53:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r5, 0x0) 21:53:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x20040000) [ 2192.129608] ? SyS_read+0x210/0x210 [ 2192.129618] SyS_sendmsg+0x27/0x40 [ 2192.129628] ? __sys_sendmsg+0x120/0x120 [ 2192.194146] do_syscall_64+0x1d5/0x640 [ 2192.194163] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2192.194171] RIP: 0033:0x7f1d578dc279 21:53:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (fail_nth: 4) [ 2192.194175] RSP: 002b:00007f1d56251168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 21:53:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2192.194185] RAX: ffffffffffffffda RBX: 00007f1d579eef80 RCX: 00007f1d578dc279 [ 2192.194190] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000005 21:53:39 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, 0x0, 0x20040000) [ 2192.194195] RBP: 00007f1d562511d0 R08: 0000000000000000 R09: 0000000000000000 [ 2192.194200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2192.194205] R13: 00007ffc1fbd266f R14: 00007f1d56251300 R15: 0000000000022000 [ 2192.213481] CPU: 0 PID: 6219 Comm: syz-executor.3 Not tainted 4.14.292-syzkaller #0 21:53:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (fail_nth: 5) 21:53:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (fail_nth: 5) 21:53:39 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2192.213487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2192.213490] Call Trace: [ 2192.213506] dump_stack+0x1b2/0x281 [ 2192.213520] should_fail.cold+0x10a/0x149 [ 2192.213534] should_failslab+0xd6/0x130 [ 2192.213546] kmem_cache_alloc_node+0x263/0x410 21:53:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) socketpair(0x1a, 0x5, 0x401, &(0x7f0000000100)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) socketpair(0x9, 0x6, 0xd1e9, &(0x7f0000000180)) syz_open_dev$vcsa(&(0x7f00000001c0), 0x2, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0xffffffffffffff35) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)) socketpair(0x21, 0x800, 0x7, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0x90, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff3786}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10e}]}, 0x90}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_NOTIFY_RETRIEVE(r7, &(0x7f0000002340)={0x30, 0x5, 0x0, {0x0, 0x4, 0x1f, 0x4}}, 0x30) [ 2192.213561] __alloc_skb+0x5c/0x510 [ 2192.213573] netlink_ack+0x216/0x9a0 [ 2192.213587] ? netlink_sendmsg+0xbc0/0xbc0 21:53:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x800, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x49b83c726ae174c0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x44000}, 0x20000800) [ 2192.213600] netlink_rcv_skb+0x2c5/0x390 [ 2192.213610] ? genl_family_rcv_msg+0xb20/0xb20 [ 2192.213620] ? netlink_ack+0x9a0/0x9a0 [ 2192.213631] ? lock_acquire+0x170/0x3f0 [ 2192.213647] genl_rcv+0x24/0x40 [ 2192.213657] netlink_unicast+0x437/0x610 [ 2192.213670] ? netlink_sendskb+0xd0/0xd0 [ 2192.213680] ? __check_object_size+0x179/0x230 [ 2192.213692] netlink_sendmsg+0x648/0xbc0 [ 2192.213706] ? nlmsg_notify+0x1b0/0x1b0 [ 2192.213714] ? kernel_recvmsg+0x210/0x210 [ 2192.213727] ? security_socket_sendmsg+0x83/0xb0 [ 2192.213736] ? nlmsg_notify+0x1b0/0x1b0 [ 2192.213745] sock_sendmsg+0xb5/0x100 [ 2192.213755] ___sys_sendmsg+0x6c8/0x800 [ 2192.213764] ? get_pid_task+0x91/0x130 [ 2192.213773] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2192.213784] ? lock_downgrade+0x740/0x740 [ 2192.213797] ? __fget+0x23e/0x3e0 [ 2192.213809] ? lock_acquire+0x170/0x3f0 [ 2192.213818] ? lock_downgrade+0x740/0x740 [ 2192.213830] ? __fget+0x265/0x3e0 [ 2192.213844] ? __fdget+0x19b/0x1f0 [ 2192.213853] ? sockfd_lookup_light+0xb2/0x160 [ 2192.213864] __sys_sendmsg+0xa3/0x120 [ 2192.213873] ? SyS_shutdown+0x160/0x160 [ 2192.213884] ? wait_for_completion_io+0x10/0x10 [ 2192.213902] ? SyS_read+0x210/0x210 [ 2192.213913] SyS_sendmsg+0x27/0x40 [ 2192.213920] ? __sys_sendmsg+0x120/0x120 [ 2192.213930] do_syscall_64+0x1d5/0x640 [ 2192.213943] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2192.213951] RIP: 0033:0x7f430b852279 [ 2192.213956] RSP: 002b:00007f430a1c7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2192.213966] RAX: ffffffffffffffda RBX: 00007f430b964f80 RCX: 00007f430b852279 [ 2192.213971] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 [ 2192.213977] RBP: 00007f430a1c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 2192.213986] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2192.213991] R13: 00007ffdfbaade2f R14: 00007f430a1c7300 R15: 0000000000022000 [ 2192.308063] nbd: couldn't find a device at index 5020795 [ 2192.308090] FAULT_INJECTION: forcing a failure. [ 2192.308090] name failslab, interval 1, probability 0, space 0, times 0 [ 2192.308101] CPU: 0 PID: 6255 Comm: syz-executor.3 Not tainted 4.14.292-syzkaller #0 [ 2192.308107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2192.308110] Call Trace: [ 2192.308125] dump_stack+0x1b2/0x281 [ 2192.308139] should_fail.cold+0x10a/0x149 [ 2192.308153] should_failslab+0xd6/0x130 [ 2192.308166] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2192.308179] __kmalloc_node_track_caller+0x38/0x70 [ 2192.308192] __alloc_skb+0x96/0x510 [ 2192.308203] netlink_ack+0x216/0x9a0 [ 2192.308217] ? netlink_sendmsg+0xbc0/0xbc0 [ 2192.308230] netlink_rcv_skb+0x2c5/0x390 [ 2192.308240] ? genl_family_rcv_msg+0xb20/0xb20 [ 2192.308250] ? netlink_ack+0x9a0/0x9a0 [ 2192.308260] ? lock_acquire+0x170/0x3f0 [ 2192.308276] genl_rcv+0x24/0x40 [ 2192.308285] netlink_unicast+0x437/0x610 [ 2192.308299] ? netlink_sendskb+0xd0/0xd0 [ 2192.308309] ? __check_object_size+0x179/0x230 [ 2192.308321] netlink_sendmsg+0x648/0xbc0 [ 2192.308335] ? nlmsg_notify+0x1b0/0x1b0 [ 2192.308342] ? kernel_recvmsg+0x210/0x210 [ 2192.308355] ? security_socket_sendmsg+0x83/0xb0 [ 2192.308365] ? nlmsg_notify+0x1b0/0x1b0 [ 2192.308374] sock_sendmsg+0xb5/0x100 [ 2192.308384] ___sys_sendmsg+0x6c8/0x800 [ 2192.308392] ? get_pid_task+0x91/0x130 [ 2192.308401] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2192.308413] ? lock_downgrade+0x740/0x740 [ 2192.308425] ? __fget+0x23e/0x3e0 [ 2192.308437] ? lock_acquire+0x170/0x3f0 [ 2192.308447] ? lock_downgrade+0x740/0x740 [ 2192.308459] ? __fget+0x265/0x3e0 [ 2192.308477] ? __fdget+0x19b/0x1f0 [ 2192.308487] ? sockfd_lookup_light+0xb2/0x160 [ 2192.308497] __sys_sendmsg+0xa3/0x120 [ 2192.308507] ? SyS_shutdown+0x160/0x160 [ 2192.308519] ? wait_for_completion_io+0x10/0x10 [ 2192.308538] ? SyS_read+0x210/0x210 [ 2192.308550] SyS_sendmsg+0x27/0x40 [ 2192.308557] ? __sys_sendmsg+0x120/0x120 [ 2192.308567] do_syscall_64+0x1d5/0x640 [ 2192.308581] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2192.308589] RIP: 0033:0x7f430b852279 [ 2192.308594] RSP: 002b:00007f430a1c7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2192.308604] RAX: ffffffffffffffda RBX: 00007f430b964f80 RCX: 00007f430b852279 [ 2192.308609] RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000005 [ 2192.308614] RBP: 00007f430a1c71d0 R08: 0000000000000000 R09: 0000000000000000 [ 2192.308619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 21:53:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES32=r4], 0x1c}}, 0x40000) 21:53:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r5, 0x0) 21:53:39 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2192.308625] R13: 00007ffdfbaade2f R14: 00007f430a1c7300 R15: 0000000000022000 [ 2192.467876] nbd: couldn't find a device at index 5020795 [ 2192.495596] nbd: couldn't find device at index 0 [ 2192.500346] nbd: couldn't find device at index 4 [ 2192.556751] nbd: couldn't find device at index 0 21:53:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) socketpair(0x1a, 0x5, 0x401, &(0x7f0000000100)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async) socketpair(0x9, 0x6, 0xd1e9, &(0x7f0000000180)) (async) syz_open_dev$vcsa(&(0x7f00000001c0), 0x2, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0xffffffffffffff35) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)) (async) socketpair(0x21, 0x800, 0x7, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0x90, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff3786}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10e}]}, 0x90}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_NOTIFY_RETRIEVE(r7, &(0x7f0000002340)={0x30, 0x5, 0x0, {0x0, 0x4, 0x1f, 0x4}}, 0x30) 21:53:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:39 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async, rerun: 32) socketpair(0x1a, 0x5, 0x401, &(0x7f0000000100)) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)) (async, rerun: 64) socketpair(0x9, 0x6, 0xd1e9, &(0x7f0000000180)) (async, rerun: 64) syz_open_dev$vcsa(&(0x7f00000001c0), 0x2, 0x0) (async, rerun: 32) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async, rerun: 32) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0xffffffffffffff35) (async, rerun: 64) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)) (async, rerun: 64) socketpair(0x21, 0x800, 0x7, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0x90, r1, 0x100, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff3786}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x10e}]}, 0x90}}, 0x0) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_NOTIFY_RETRIEVE(r7, &(0x7f0000002340)={0x30, 0x5, 0x0, {0x0, 0x4, 0x1f, 0x4}}, 0x30) 21:53:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x800, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x49b83c726ae174c0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x44000}, 0x20000800) [ 2193.064166] nbd: must specify an index to disconnect 21:53:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r4, 0x0) 21:53:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES32=r4], 0x1c}}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES32=r4], 0x1c}}, 0x40000) (async) 21:53:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x3, 0x5, 0x1, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x34, 0x0, 0x128, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x34008058}, 0x4091) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x800, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x49b83c726ae174c0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x44000}, 0x20000800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x800, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x49b83c726ae174c0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '@'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x44000}, 0x20000800) (async) 21:53:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2193.144409] nla_parse: 84 callbacks suppressed [ 2193.144414] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2193.175022] nbd: couldn't find device at index 0 [ 2193.185754] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. 21:53:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX=0x0, @ANYRESDEC=r0, @ANYBLOB="6b8e33f445108be15bdb8bd23a7965e7fdfc6012fbe11bbe7dfae43633e941054c175028e834797e90bfe859f1ef71cdf62b14c34dd5f25b9318a65960071a1aa87e7e82c686253515f0976b1d34e757615cbee8134294ca8e34cd8ceaabce5e2137dedc5eb2f6e21638ce3c29a81ab544312fb3c6b8113cfcf62fe1d5dc06cce3808074a358528d576a2e3b91e5b7bb06de04c2367cc454d5cbc82f3b92e86fbe6e8509adc3c63aa82313", @ANYRES16=r1], 0x1c}}, 0x0) 21:53:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x3, 0x5, 0x1, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x34, 0x0, 0x128, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x34008058}, 0x4091) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r3, 0x0) [ 2193.211147] nbd: must specify an index to disconnect [ 2193.219649] nbd: couldn't find a device at index 5020795 21:53:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX=0x0, @ANYRESDEC=r0, @ANYBLOB="6b8e33f445108be15bdb8bd23a7965e7fdfc6012fbe11bbe7dfae43633e941054c175028e834797e90bfe859f1ef71cdf62b14c34dd5f25b9318a65960071a1aa87e7e82c686253515f0976b1d34e757615cbee8134294ca8e34cd8ceaabce5e2137dedc5eb2f6e21638ce3c29a81ab544312fb3c6b8113cfcf62fe1d5dc06cce3808074a358528d576a2e3b91e5b7bb06de04c2367cc454d5cbc82f3b92e86fbe6e8509adc3c63aa82313", @ANYRES16=r1], 0x1c}}, 0x0) [ 2193.256156] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2193.278813] nbd: couldn't find device at index 0 21:53:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x3, 0x5, 0x1, &(0x7f00000001c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x34, 0x0, 0x128, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x34008058}, 0x4091) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x3, 0x5, 0x1, &(0x7f00000001c0)) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x34, 0x0, 0x128, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x34008058}, 0x4091) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) [ 2193.308251] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2193.338380] nbd: couldn't find device at index 0 [ 2193.348643] netlink: 100 bytes leftover after parsing attributes in process `syz-executor.2'. 21:53:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:40 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2193.365730] nbd: must specify an index to disconnect 21:53:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd6000ffdbdf2502000000080001a81a03107587d3d6dffede47e6cb4243c2631f22f28e5063ab2652eb8174ff9c121cfbecadaef08c7d6530042a6cbafac524531deb8549c3f4be659b492e40d8df15cc42df0681d2b25d3c6599da14304534e276aee10841c41ae18a66cb2aebf442336a"], 0x80}}, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r3, 0x0) [ 2193.392157] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2193.411883] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2193.435755] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2193.449389] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 2193.457937] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 21:53:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) pipe2$watch_queue(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18000011820000000000000002000000950000b30000000000000000000000000e"], &(0x7f0000000100)='syzkaller\x00', 0x100, 0x0, 0x0, 0x40f00, 0x6, '\x00', 0x0, 0xb, r4, 0x8, &(0x7f0000000180)={0x2, 0x2}, 0x8, 0x10, &(0x7f00000001c0)={0x3, 0x3, 0x6f97f1b3, 0xb5a2}, 0x10, 0x0, r5, 0x0, &(0x7f0000000200)=[r6, 0x1, r3]}, 0x80) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_bt_cmtp_CMTPCONNDEL(r7, 0x400443c9, &(0x7f0000002340)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xa567}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) ioctl$TIOCSCTTY(r3, 0x540e, 0x9) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r3, @ANYRES16=r1, @ANYBLOB="01000000000fdf84000300"], 0x1c}, 0x1, 0x0, 0x0, 0x4850}, 0x0) 21:53:40 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r1, 0x0) 21:53:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2193.518394] nbd: must specify an index to disconnect 21:53:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, 0x0, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2193.564461] nbd: couldn't find device at index 0 21:53:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX=0x0, @ANYRESDEC=r0, @ANYBLOB="6b8e33f445108be15bdb8bd23a7965e7fdfc6012fbe11bbe7dfae43633e941054c175028e834797e90bfe859f1ef71cdf62b14c34dd5f25b9318a65960071a1aa87e7e82c686253515f0976b1d34e757615cbee8134294ca8e34cd8ceaabce5e2137dedc5eb2f6e21638ce3c29a81ab544312fb3c6b8113cfcf62fe1d5dc06cce3808074a358528d576a2e3b91e5b7bb06de04c2367cc454d5cbc82f3b92e86fbe6e8509adc3c63aa82313", @ANYRES16=r1], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r1, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX=0x0, @ANYRESDEC=r0, @ANYBLOB="6b8e33f445108be15bdb8bd23a7965e7fdfc6012fbe11bbe7dfae43633e941054c175028e834797e90bfe859f1ef71cdf62b14c34dd5f25b9318a65960071a1aa87e7e82c686253515f0976b1d34e757615cbee8134294ca8e34cd8ceaabce5e2137dedc5eb2f6e21638ce3c29a81ab544312fb3c6b8113cfcf62fe1d5dc06cce3808074a358528d576a2e3b91e5b7bb06de04c2367cc454d5cbc82f3b92e86fbe6e8509adc3c63aa82313", @ANYRES16=r1], 0x1c}}, 0x0) (async) 21:53:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r1, 0x0) 21:53:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) pipe2$watch_queue(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) (async) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18000011820000000000000002000000950000b30000000000000000000000000e"], &(0x7f0000000100)='syzkaller\x00', 0x100, 0x0, 0x0, 0x40f00, 0x6, '\x00', 0x0, 0xb, r4, 0x8, &(0x7f0000000180)={0x2, 0x2}, 0x8, 0x10, &(0x7f00000001c0)={0x3, 0x3, 0x6f97f1b3, 0xb5a2}, 0x10, 0x0, r5, 0x0, &(0x7f0000000200)=[r6, 0x1, r3]}, 0x80) (async, rerun: 32) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (rerun: 32) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_bt_cmtp_CMTPCONNDEL(r7, 0x400443c9, &(0x7f0000002340)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xa567}) (async) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) (async) ioctl$TIOCSCTTY(r3, 0x540e, 0x9) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r3, @ANYRES16=r1, @ANYBLOB="01000000000fdf84000300"], 0x1c}, 0x1, 0x0, 0x0, 0x4850}, 0x0) 21:53:40 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, 0x0, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2193.946842] nbd: couldn't find device at index 0 21:53:40 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, 0x0, 0x1, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYRESHEX=0x0, @ANYRES32=r2, @ANYBLOB="08042bbd7000fcdbdf25020000001500010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x40051}, 0x4000851) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$tty1(0xc, 0x4, 0x2) ioctl$TIOCL_PASTESEL(r4, 0x541c, &(0x7f00000000c0)) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:40 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:40 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2194.050191] nbd: couldn't find device at index 0 21:53:40 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYRESHEX=0x0, @ANYRES32=r2, @ANYBLOB="08042bbd7000fcdbdf25020000001500010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x40051}, 0x4000851) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$tty1(0xc, 0x4, 0x2) ioctl$TIOCL_PASTESEL(r4, 0x541c, &(0x7f00000000c0)) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYRESHEX=0x0, @ANYRES32=r2, @ANYBLOB="08042bbd7000fcdbdf25020000001500010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x40051}, 0x4000851) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$tty1(0xc, 0x4, 0x2) (async) ioctl$TIOCL_PASTESEL(r4, 0x541c, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept4(0xffffffffffffffff, &(0x7f0000000140)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, &(0x7f00000001c0)=0x80, 0x0) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000002440)={&(0x7f0000002340), 0xc, &(0x7f0000002400)={&(0x7f0000002380)={0x48, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x440d0}, 0x4040001) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, r1, 0x809, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')$'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4081}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) [ 2194.224334] nbd: couldn't find device at index 0 [ 2194.235124] nbd: must specify a size in bytes for the device [ 2194.252327] nbd: couldn't find a device at index -1907581829 21:53:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) pipe2$watch_queue(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x11, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18000011820000000000000002000000950000b30000000000000000000000000e"], &(0x7f0000000100)='syzkaller\x00', 0x100, 0x0, 0x0, 0x40f00, 0x6, '\x00', 0x0, 0xb, r4, 0x8, &(0x7f0000000180)={0x2, 0x2}, 0x8, 0x10, &(0x7f00000001c0)={0x3, 0x3, 0x6f97f1b3, 0xb5a2}, 0x10, 0x0, r5, 0x0, &(0x7f0000000200)=[r6, 0x1, r3]}, 0x80) (async) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$sock_bt_cmtp_CMTPCONNDEL(r7, 0x400443c9, &(0x7f0000002340)={@fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0xa567}) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) ioctl$TIOCSCTTY(r3, 0x540e, 0x9) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYRESHEX=r3, @ANYRES16=r1, @ANYBLOB="01000000000fdf84000300"], 0x1c}, 0x1, 0x0, 0x0, 0x4850}, 0x0) 21:53:41 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(0x0, 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYRESHEX=0x0, @ANYRES32=r2, @ANYBLOB="08042bbd7000fcdbdf25020000001500010000000000"], 0x1c}, 0x1, 0x0, 0x0, 0x40051}, 0x4000851) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$tty1(0xc, 0x4, 0x2) ioctl$TIOCL_PASTESEL(r4, 0x541c, &(0x7f00000000c0)) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept4(0xffffffffffffffff, &(0x7f0000000140)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, &(0x7f00000001c0)=0x80, 0x0) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000002440)={&(0x7f0000002340), 0xc, &(0x7f0000002400)={&(0x7f0000002380)={0x48, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x440d0}, 0x4040001) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, r1, 0x809, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')$'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4081}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) pipe2$watch_queue(&(0x7f0000000100), 0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) accept4(0xffffffffffffffff, &(0x7f0000000140)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, &(0x7f00000001c0)=0x80, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000002440)={&(0x7f0000002340), 0xc, &(0x7f0000002400)={&(0x7f0000002380)={0x48, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x440d0}, 0x4040001) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, r1, 0x809, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')$'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4081}, 0x40000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(0x0, 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(0x0, 0x1, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x1010, r0, 0x0) 21:53:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_NOTIFY_DELETE(r3, &(0x7f00000000c0)={0x2d, 0x6, 0x0, {0x1, 0x1, 0x4, 0x0, 'nbd\x00'}}, 0x2d) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x1010, r0, 0x0) 21:53:41 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x4000010) 21:53:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = accept4(0xffffffffffffffff, &(0x7f0000000140)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, &(0x7f00000001c0)=0x80, 0x0) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000002440)={&(0x7f0000002340), 0xc, &(0x7f0000002400)={&(0x7f0000002380)={0x48, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x440d0}, 0x4040001) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, r1, 0x809, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')$'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4081}, 0x40000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) pipe2$watch_queue(&(0x7f0000000100), 0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) accept4(0xffffffffffffffff, &(0x7f0000000140)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, &(0x7f00000001c0)=0x80, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f0000002440)={&(0x7f0000002340), 0xc, &(0x7f0000002400)={&(0x7f0000002380)={0x48, r1, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/vcsa#\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x440d0}, 0x4040001) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000340)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0xc8, r1, 0x809, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')$'}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4081}, 0x40000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x1010, r0, 0x0) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x1010, r0, 0x0) 21:53:41 executing program 5: syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:41 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x4000010) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x10, r0, 0x0) 21:53:41 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2194.793019] nbd: couldn't find a device at index 5020795 [ 2194.804257] nbd: couldn't find device at index 0 [ 2194.812568] nbd: must specify a size in bytes for the device [ 2194.825639] nbd: couldn't find a device at index -1907581829 21:53:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async, rerun: 64) write$FUSE_NOTIFY_DELETE(r3, &(0x7f00000000c0)={0x2d, 0x6, 0x0, {0x1, 0x1, 0x4, 0x0, 'nbd\x00'}}, 0x2d) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:41 executing program 5: syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x10, 0xffffffffffffffff, 0x0) 21:53:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={&(0x7f0000000100)='fscache_active\x00'}, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2a, 0x4, 0x0, {0x4, 0x0, 0x2, 0x0, [0x0, 0x0]}}, 0x2a) 21:53:41 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x4000010) [ 2194.909906] nbd: couldn't find device at index 0 21:53:41 executing program 5: syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2194.941096] nbd: couldn't find device at index 4 21:53:41 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x10, 0xffffffffffffffff, 0x0) 21:53:41 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000040)={'wlan0\x00'}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$vcsa(&(0x7f0000000080), 0xffffffffffff3a23, 0x400000) write$FUSE_NOTIFY_INVAL_INODE(r4, &(0x7f00000000c0)={0x28, 0x2, 0x0, {0x3, 0x614}}, 0x28) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="feffffff", @ANYRES16=r2, @ANYBLOB="015bcdfd542f86511774002cbd7000ffdb"], 0x80}}, 0x0) [ 2194.976364] nbd: couldn't find a device at index -1907581829 21:53:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={&(0x7f0000000100)='fscache_active\x00'}, 0x10) (async, rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async, rerun: 32) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2a, 0x4, 0x0, {0x4, 0x0, 0x2, 0x0, [0x0, 0x0]}}, 0x2a) (rerun: 32) 21:53:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:41 executing program 2: sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$vcsa(&(0x7f0000000000), 0x0, 0x0) mmap$perf(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0xb, 0x10, 0xffffffffffffffff, 0x0) [ 2195.066310] nbd: couldn't find device at index 4 21:53:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) write$FUSE_NOTIFY_DELETE(r3, &(0x7f00000000c0)={0x2d, 0x6, 0x0, {0x1, 0x1, 0x4, 0x0, 'nbd\x00'}}, 0x2d) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) write$FUSE_NOTIFY_DELETE(r3, &(0x7f00000000c0)={0x2d, 0x6, 0x0, {0x1, 0x1, 0x4, 0x0, 'nbd\x00'}}, 0x2d) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) 21:53:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000040)={'wlan0\x00'}) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$vcsa(&(0x7f0000000080), 0xffffffffffff3a23, 0x400000) write$FUSE_NOTIFY_INVAL_INODE(r4, &(0x7f00000000c0)={0x28, 0x2, 0x0, {0x3, 0x614}}, 0x28) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="feffffff", @ANYRES16=r2, @ANYBLOB="015bcdfd542f86511774002cbd7000ffdb"], 0x80}}, 0x0) 21:53:42 executing program 2: syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={&(0x7f0000000100)='fscache_active\x00'}, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f00000000c0)={0x2a, 0x4, 0x0, {0x4, 0x0, 0x2, 0x0, [0x0, 0x0]}}, 0x2a) 21:53:42 executing program 2: syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2195.315135] nbd: must specify an index to disconnect 21:53:42 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES16=r1], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x6c, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008000}, 0x40000) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r7, 0x200, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x30004080}, 0x8801) 21:53:42 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000040)={'wlan0\x00'}) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000080), 0xffffffffffff3a23, 0x400000) write$FUSE_NOTIFY_INVAL_INODE(r4, &(0x7f00000000c0)={0x28, 0x2, 0x0, {0x3, 0x614}}, 0x28) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="feffffff", @ANYRES16=r2, @ANYBLOB="015bcdfd542f86511774002cbd7000ffdb"], 0x80}}, 0x0) 21:53:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2195.342019] nbd: couldn't find a device at index -1907581829 [ 2195.366143] nbd: couldn't find a device at index 5020795 21:53:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) ioctl$KDGKBSENT(0xffffffffffffffff, 0x4b48, &(0x7f00000000c0)={0x7f, "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"}) 21:53:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES16=r1], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x6c, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008000}, 0x40000) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r7, 0x200, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x30004080}, 0x8801) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES16=r1], 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x6c, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008000}, 0x40000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r7, 0x200, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x30004080}, 0x8801) (async) [ 2195.459176] nbd: must specify an index to disconnect 21:53:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:42 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2195.556748] nbd: must specify an index to disconnect 21:53:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x40}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) ioctl$KDGKBSENT(0xffffffffffffffff, 0x4b48, &(0x7f00000000c0)={0x7f, "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"}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) ioctl$KDGKBSENT(0xffffffffffffffff, 0x4b48, &(0x7f00000000c0)={0x7f, "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"}) (async) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYRES16=r1], 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f0000000200)={0xffffffffffffffff}) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x6c, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1e}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x6c}, 0x1, 0x0, 0x0, 0x20008000}, 0x40000) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r7, 0x200, 0x70bd25, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x30004080}, 0x8801) 21:53:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2195.582430] nbd: couldn't find a device at index 5020795 [ 2195.618501] nbd: must specify an index to disconnect 21:53:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2195.671923] nbd: couldn't find device at index 4 [ 2195.684468] nbd: couldn't find a device at index 5020795 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="712b2149726b5777ce8f549d32ffac4c82940c75df3200b1d07557209ac7883b56fe90fbbfa432ac30724e2dd652c61c631c0e414caf1600000000000000004fd62f7f0700000000000000106dcb528c6f55355e88836b6f95a7a98caf757bf0c0bec253e6250e6c63c1f6475dea799408cef760f574782aeaefbe16f33625887631ab3808371f49d7637012c57ede715bf8b4ee925dd85227e7f9789dd38cc3fc32c025286d8a1918c0dfd602fa3a708d87fcdcf8ec5b36e5ce8644e4d4486ae842da91228d281eda3588978bd1344dcb00aca1f9b8850b6d13919f9ac5caf2f456dacfadb3f9605e69c573b2b792f3d9470afbb86f6c", @ANYRES16=r1, @ANYBLOB="010000000000000000000301007b9c3f8e0000000000"], 0x1c}}, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000080)) 21:53:42 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="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"], 0x80}}, 0x0) 21:53:42 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2195.748688] nbd: couldn't find a device at index 5020795 21:53:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) ioctl$KDGKBSENT(0xffffffffffffffff, 0x4b48, &(0x7f00000000c0)={0x7f, "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"}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) ioctl$KDGKBSENT(0xffffffffffffffff, 0x4b48, &(0x7f00000000c0)={0x7f, "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"}) (async) 21:53:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="712b2149726b5777ce8f549d32ffac4c82940c75df3200b1d07557209ac7883b56fe90fbbfa432ac30724e2dd652c61c631c0e414caf1600000000000000004fd62f7f0700000000000000106dcb528c6f55355e88836b6f95a7a98caf757bf0c0bec253e6250e6c63c1f6475dea799408cef760f574782aeaefbe16f33625887631ab3808371f49d7637012c57ede715bf8b4ee925dd85227e7f9789dd38cc3fc32c025286d8a1918c0dfd602fa3a708d87fcdcf8ec5b36e5ce8644e4d4486ae842da91228d281eda3588978bd1344dcb00aca1f9b8850b6d13919f9ac5caf2f456dacfadb3f9605e69c573b2b792f3d9470afbb86f6c", @ANYRES16=r1, @ANYBLOB="010000000000000000000301007b9c3f8e0000000000"], 0x1c}}, 0x0) (async) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000080)) [ 2195.840319] nbd: must specify an index to disconnect 21:53:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) socketpair(0xa, 0x800, 0x55, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xcc, r1, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40015}, 0x40000) 21:53:42 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="712b2149726b5777ce8f549d32ffac4c82940c75df3200b1d07557209ac7883b56fe90fbbfa432ac30724e2dd652c61c631c0e414caf1600000000000000004fd62f7f0700000000000000106dcb528c6f55355e88836b6f95a7a98caf757bf0c0bec253e6250e6c63c1f6475dea799408cef760f574782aeaefbe16f33625887631ab3808371f49d7637012c57ede715bf8b4ee925dd85227e7f9789dd38cc3fc32c025286d8a1918c0dfd602fa3a708d87fcdcf8ec5b36e5ce8644e4d4486ae842da91228d281eda3588978bd1344dcb00aca1f9b8850b6d13919f9ac5caf2f456dacfadb3f9605e69c573b2b792f3d9470afbb86f6c", @ANYRES16=r1, @ANYBLOB="010000000000000000000301007b9c3f8e0000000000"], 0x1c}}, 0x0) (async, rerun: 32) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000080)) (rerun: 32) 21:53:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2195.872065] nbd: couldn't find device at index 4 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="01000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) [ 2195.911370] nbd: couldn't find a device at index 5020795 21:53:42 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="01000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) 21:53:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES8=0x0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f00000000c0)=""/31, &(0x7f0000000100)=0x1f) [ 2195.995424] nbd: couldn't find a device at index 5020795 [ 2196.014574] nbd: couldn't find device at index 0 [ 2196.020762] nbd: couldn't find device at index 4 21:53:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) socketpair(0xa, 0x800, 0x55, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) (async) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xcc, r1, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40015}, 0x40000) 21:53:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="01000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES8=0x0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) r2 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f00000000c0)=""/31, &(0x7f0000000100)=0x1f) 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="6213625e2b523fc1a7a7b1774d3e5045a4b1655cababba317a8a2f44a2b7ec6f2d2f3d411745f94512bafcb4e15d1f1dfb9ddc10f47227cb6c202e17ab9d9aa59a46a822cce736b12214b048d4115db83d852720429e200c2dfc390b2eba16867b8ddf23", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x800) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2196.187173] nbd: couldn't find device at index 0 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES8=0x0, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) r2 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f00000000c0)=""/31, &(0x7f0000000100)=0x1f) 21:53:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) socketpair(0xa, 0x800, 0x55, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) pipe2$watch_queue(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) r7 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) r9 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xcc, r1, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40015}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) socketpair(0xa, 0x800, 0x55, &(0x7f0000000080)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) pipe2$watch_queue(&(0x7f00000000c0), 0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r7, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r9, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xcc, r1, 0x4, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x124}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xcc}, 0x1, 0x0, 0x0, 0x40015}, 0x40000) (async) 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="6213625e2b523fc1a7a7b1774d3e5045a4b1655cababba317a8a2f44a2b7ec6f2d2f3d411745f94512bafcb4e15d1f1dfb9ddc10f47227cb6c202e17ab9d9aa59a46a822cce736b12214b048d4115db83d852720429e200c2dfc390b2eba16867b8ddf23", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x800) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c98afeeaca415060000000283050a000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 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$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000001}, 0x20040000) [ 2196.330800] nbd: couldn't find device at index 0 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="6213625e2b523fc1a7a7b1774d3e5045a4b1655cababba317a8a2f44a2b7ec6f2d2f3d411745f94512bafcb4e15d1f1dfb9ddc10f47227cb6c202e17ab9d9aa59a46a822cce736b12214b048d4115db83d852720429e200c2dfc390b2eba16867b8ddf23", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x800) 21:53:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fanotify_init(0x0, 0x40000) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2196.420720] nbd: couldn't find device at index 4 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c98afeeaca415060000000283050a000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x20040000) 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r4, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fanotify_init(0x0, 0x40000) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2196.492008] nbd: couldn't find device at index 0 [ 2196.531355] nbd: couldn't find device at index 4 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c98afeeaca415060000000283050a000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c98afeeaca415060000000283050a000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2196.551679] nbd: must specify at least one socket [ 2196.567186] nbd: couldn't find a device at index -1907581829 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r4, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x8000) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r4, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) fanotify_init(0x0, 0x40000) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) fanotify_init(0x0, 0x40000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2196.661160] nbd: couldn't find device at index 4 [ 2196.675594] nbd: must specify at least one socket [ 2196.697563] nbd: couldn't find a device at index -1907581829 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r4, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:43 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$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) [ 2196.761052] nbd: couldn't find device at index 0 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2196.870499] nbd: must specify at least one socket 21:53:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f00000000c0)={0xe141, "8faddfbdad8b141935fd08750564e021eda5ee6d087a755a7357d3a47d29bdc9"}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2196.933008] nbd: couldn't find device at index 0 21:53:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="28040000", @ANYRES16=r6, @ANYBLOB="01000000000000000000050000000c00050000000000000000000800010000000000"], 0x28}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xffffffffffffff28, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x40004}, 0xc8801) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x23, 0x4, 0x8001, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r4, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe5}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r10) 21:53:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) socketpair(0x16, 0x3, 0x3f, &(0x7f0000000100)) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x18, 0x2, {0x0, @broadcast}}, &(0x7f00000001c0)=0x80) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) accept4(0xffffffffffffffff, &(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @remote}, &(0x7f0000000280)=0x80, 0x80800) pipe2$watch_queue(&(0x7f00000002c0), 0x80) accept(0xffffffffffffffff, &(0x7f0000000300)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c}, &(0x7f0000000380)=0x80) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) r3 = accept(0xffffffffffffffff, 0x0, &(0x7f00000003c0)) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) r5 = accept4(0xffffffffffffffff, &(0x7f0000000400)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, &(0x7f0000000480)=0x80, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000005c0)={&(0x7f0000002640)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="0800b903afa9c6d0720a390bfbf41e55b802b92d6a39e2a03b237171eadfaa481999cb66e9c2cdec44a1015df2e526741701c3c22fbd3bf9e939f4ab245bdc13919fa55d54cc3d6ae736e7456b28e770e8f3963d62fb770ab5ddeb310797213374ac4d16ffbad6bb1f1bc88508129e43dc6bbcb2d9b44b538abf63e5fe43956060d3962ddac1a59bf54245cb1df6629ba4ce99aa015d1ea9e59c33283db9df7d99813a5100"/180, @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB=': zU', @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x60}, 0x1, 0x0, 0x0, 0x24040041}, 0x20000000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000023c0)=ANY=[@ANYBLOB="0700075600296a5d3db68121ec49e907ca70899b3af979c4bc8316d709aaf8cba333e1a02a9a671f74f2e5640e79b4fde8d4e8aa7f00"/66, @ANYRESOCT, @ANYBLOB="0100000000000000000003800200080001007b9c4c"], 0x1c}}, 0x44) 21:53:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) socketpair(0x16, 0x3, 0x3f, &(0x7f0000000100)) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x18, 0x2, {0x0, @broadcast}}, &(0x7f00000001c0)=0x80) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) accept4(0xffffffffffffffff, &(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @remote}, &(0x7f0000000280)=0x80, 0x80800) pipe2$watch_queue(&(0x7f00000002c0), 0x80) accept(0xffffffffffffffff, &(0x7f0000000300)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c}, &(0x7f0000000380)=0x80) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) r3 = accept(0xffffffffffffffff, 0x0, &(0x7f00000003c0)) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) r5 = accept4(0xffffffffffffffff, &(0x7f0000000400)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, &(0x7f0000000480)=0x80, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000005c0)={&(0x7f0000002640)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="0800b903afa9c6d0720a390bfbf41e55b802b92d6a39e2a03b237171eadfaa481999cb66e9c2cdec44a1015df2e526741701c3c22fbd3bf9e939f4ab245bdc13919fa55d54cc3d6ae736e7456b28e770e8f3963d62fb770ab5ddeb310797213374ac4d16ffbad6bb1f1bc88508129e43dc6bbcb2d9b44b538abf63e5fe43956060d3962ddac1a59bf54245cb1df6629ba4ce99aa015d1ea9e59c33283db9df7d99813a5100"/180, @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB=': zU', @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x60}, 0x1, 0x0, 0x0, 0x24040041}, 0x20000000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000023c0)=ANY=[@ANYBLOB="0700075600296a5d3db68121ec49e907ca70899b3af979c4bc8316d709aaf8cba333e1a02a9a671f74f2e5640e79b4fde8d4e8aa7f00"/66, @ANYRESOCT, @ANYBLOB="0100000000000000000003800200080001007b9c4c"], 0x1c}}, 0x44) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) socketpair(0x16, 0x3, 0x3f, &(0x7f0000000100)) (async) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x18, 0x2, {0x0, @broadcast}}, &(0x7f00000001c0)=0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) accept4(0xffffffffffffffff, &(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @remote}, &(0x7f0000000280)=0x80, 0x80800) (async) pipe2$watch_queue(&(0x7f00000002c0), 0x80) (async) accept(0xffffffffffffffff, &(0x7f0000000300)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c}, &(0x7f0000000380)=0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) (async) accept(0xffffffffffffffff, 0x0, &(0x7f00000003c0)) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) accept4(0xffffffffffffffff, &(0x7f0000000400)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, &(0x7f0000000480)=0x80, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000005c0)={&(0x7f0000002640)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="0800b903afa9c6d0720a390bfbf41e55b802b92d6a39e2a03b237171eadfaa481999cb66e9c2cdec44a1015df2e526741701c3c22fbd3bf9e939f4ab245bdc13919fa55d54cc3d6ae736e7456b28e770e8f3963d62fb770ab5ddeb310797213374ac4d16ffbad6bb1f1bc88508129e43dc6bbcb2d9b44b538abf63e5fe43956060d3962ddac1a59bf54245cb1df6629ba4ce99aa015d1ea9e59c33283db9df7d99813a5100"/180, @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB=': zU', @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x60}, 0x1, 0x0, 0x0, 0x24040041}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000023c0)=ANY=[@ANYBLOB="0700075600296a5d3db68121ec49e907ca70899b3af979c4bc8316d709aaf8cba333e1a02a9a671f74f2e5640e79b4fde8d4e8aa7f00"/66, @ANYRESOCT, @ANYBLOB="0100000000000000000003800200080001007b9c4c"], 0x1c}}, 0x44) (async) 21:53:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f00000000c0)={0xe141, "8faddfbdad8b141935fd08750564e021eda5ee6d087a755a7357d3a47d29bdc9"}) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2197.191313] nbd: couldn't find a device at index -1907581829 [ 2197.214821] nbd: couldn't find device at index 0 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="28040000", @ANYRES16=r6, @ANYBLOB="01000000000000000000050000000c00050000000000000000000800010000000000"], 0x28}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xffffffffffffff28, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x40004}, 0xc8801) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) (async) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x23, 0x4, 0x8001, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r4, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe5}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r10) 21:53:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f00000000c0)={0xe141, "8faddfbdad8b141935fd08750564e021eda5ee6d087a755a7357d3a47d29bdc9"}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f00000000c0)={0xe141, "8faddfbdad8b141935fd08750564e021eda5ee6d087a755a7357d3a47d29bdc9"}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 21:53:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) socketpair(0x16, 0x3, 0x3f, &(0x7f0000000100)) (async) accept(0xffffffffffffffff, &(0x7f0000000140)=@pptp={0x18, 0x2, {0x0, @broadcast}}, &(0x7f00000001c0)=0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) accept4(0xffffffffffffffff, &(0x7f0000000200)=@l2tp6={0xa, 0x0, 0x0, @remote}, &(0x7f0000000280)=0x80, 0x80800) pipe2$watch_queue(&(0x7f00000002c0), 0x80) (async) accept(0xffffffffffffffff, &(0x7f0000000300)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c}, &(0x7f0000000380)=0x80) (async) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) (async) r3 = accept(0xffffffffffffffff, 0x0, &(0x7f00000003c0)) (async) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) (async) r5 = accept4(0xffffffffffffffff, &(0x7f0000000400)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @empty}}, &(0x7f0000000480)=0x80, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000600)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000005c0)={&(0x7f0000002640)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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", @ANYRES32=r2, @ANYBLOB="0800b903afa9c6d0720a390bfbf41e55b802b92d6a39e2a03b237171eadfaa481999cb66e9c2cdec44a1015df2e526741701c3c22fbd3bf9e939f4ab245bdc13919fa55d54cc3d6ae736e7456b28e770e8f3963d62fb770ab5ddeb310797213374ac4d16ffbad6bb1f1bc88508129e43dc6bbcb2d9b44b538abf63e5fe43956060d3962ddac1a59bf54245cb1df6629ba4ce99aa015d1ea9e59c33283db9df7d99813a5100"/180, @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB=': zU', @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB], 0x60}, 0x1, 0x0, 0x0, 0x24040041}, 0x20000000) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000023c0)=ANY=[@ANYBLOB="0700075600296a5d3db68121ec49e907ca70899b3af979c4bc8316d709aaf8cba333e1a02a9a671f74f2e5640e79b4fde8d4e8aa7f00"/66, @ANYRESOCT, @ANYBLOB="0100000000000000000003800200080001007b9c4c"], 0x1c}}, 0x44) [ 2197.406430] nbd: couldn't find a device at index -1907581829 [ 2197.415858] nbd: couldn't find a device at index -1907581829 [ 2197.436433] nbd: couldn't find device at index 0 21:53:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010000000000000000002154a7935c3f5b35646d5edd59d19c3803000000080001007b9c4c"], 0x1c}}, 0x4008005) write$FUSE_POLL(0xffffffffffffffff, &(0x7f00000000c0)={0x18, 0xfffffffffffffff5, 0x0, {0x9}}, 0x18) 21:53:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r5) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="28040000", @ANYRES16=r6, @ANYBLOB="01000000000000000000050000000c00050000000000000000000800010000000000"], 0x28}}, 0x0) (async, rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xffffffffffffff28, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x40004}, 0xc8801) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r7) (async) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async, rerun: 32) socketpair(0x23, 0x4, 0x8001, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000002380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r4, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3ff}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe5}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8000}, 0x10) (async, rerun: 32) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(r10, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r10) 21:53:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002380), r2) accept(0xffffffffffffffff, &(0x7f00000023c0)=@generic, &(0x7f0000002440)=0x80) accept4(0xffffffffffffffff, &(0x7f0000002480)=@phonet, &(0x7f0000002500)=0x80, 0x80000) socketpair(0x27, 0x800, 0xfffffffc, &(0x7f0000002540)) pipe2$watch_queue(&(0x7f0000002580), 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x6, 0xa, 0x10000, &(0x7f00000025c0)) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000026c0)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000002680)={&(0x7f0000002600)={0x38, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x840) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'batadv_slave_1\x00', 0x0}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x1e, 0x8, &(0x7f00000000c0)=@raw=[@map_fd={0x18, 0x6, 0x1, 0x0, r6}, @exit, @cb_func={0x18, 0x5, 0x4, 0x0, 0xfffffffffffffffb}, @ldst={0x2, 0x0, 0x1, 0x2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff}, @initr0={0x18, 0x0, 0x0, 0x0, 0xf6, 0x0, 0x0, 0x0, 0x3a7}], &(0x7f0000000100)='GPL\x00', 0xfd, 0xf4, &(0x7f0000000140)=""/244, 0x41000, 0x19, '\x00', r7, 0x13, r8, 0x8, &(0x7f0000000280)={0xa, 0x3}, 0x8, 0x10, &(0x7f00000002c0)={0x4, 0x0, 0x9, 0x6}, 0x10, 0xffffffffffffffff}, 0x80) 21:53:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010000000000000000002154a7935c3f5b35646d5edd59d19c3803000000080001007b9c4c"], 0x1c}}, 0x4008005) write$FUSE_POLL(0xffffffffffffffff, &(0x7f00000000c0)={0x18, 0xfffffffffffffff5, 0x0, {0x9}}, 0x18) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010000000000000000002154a7935c3f5b35646d5edd59d19c3803000000080001007b9c4c"], 0x1c}}, 0x4008005) (async) write$FUSE_POLL(0xffffffffffffffff, &(0x7f00000000c0)={0x18, 0xfffffffffffffff5, 0x0, {0x9}}, 0x18) (async) 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r2, &(0x7f0000000300)={0x2020}, 0x2020) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010000000000000000002154a7935c3f5b35646d5edd59d19c3803000000080001007b9c4c"], 0x1c}}, 0x4008005) (async) write$FUSE_POLL(0xffffffffffffffff, &(0x7f00000000c0)={0x18, 0xfffffffffffffff5, 0x0, {0x9}}, 0x18) 21:53:44 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002380), r2) accept(0xffffffffffffffff, &(0x7f00000023c0)=@generic, &(0x7f0000002440)=0x80) accept4(0xffffffffffffffff, &(0x7f0000002480)=@phonet, &(0x7f0000002500)=0x80, 0x80000) socketpair(0x27, 0x800, 0xfffffffc, &(0x7f0000002540)) pipe2$watch_queue(&(0x7f0000002580), 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x6, 0xa, 0x10000, &(0x7f00000025c0)) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000026c0)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000002680)={&(0x7f0000002600)={0x38, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x840) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'batadv_slave_1\x00', 0x0}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x1e, 0x8, &(0x7f00000000c0)=@raw=[@map_fd={0x18, 0x6, 0x1, 0x0, r6}, @exit, @cb_func={0x18, 0x5, 0x4, 0x0, 0xfffffffffffffffb}, @ldst={0x2, 0x0, 0x1, 0x2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff}, @initr0={0x18, 0x0, 0x0, 0x0, 0xf6, 0x0, 0x0, 0x0, 0x3a7}], &(0x7f0000000100)='GPL\x00', 0xfd, 0xf4, &(0x7f0000000140)=""/244, 0x41000, 0x19, '\x00', r7, 0x13, r8, 0x8, &(0x7f0000000280)={0xa, 0x3}, 0x8, 0x10, &(0x7f00000002c0)={0x4, 0x0, 0x9, 0x6}, 0x10, 0xffffffffffffffff}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002380), r2) (async) accept(0xffffffffffffffff, &(0x7f00000023c0)=@generic, &(0x7f0000002440)=0x80) (async) accept4(0xffffffffffffffff, &(0x7f0000002480)=@phonet, &(0x7f0000002500)=0x80, 0x80000) (async) socketpair(0x27, 0x800, 0xfffffffc, &(0x7f0000002540)) (async) pipe2$watch_queue(&(0x7f0000002580), 0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair(0x6, 0xa, 0x10000, &(0x7f00000025c0)) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000026c0)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000002680)={&(0x7f0000002600)={0x38, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x840) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'batadv_slave_1\x00'}) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x1e, 0x8, &(0x7f00000000c0)=@raw=[@map_fd={0x18, 0x6, 0x1, 0x0, r6}, @exit, @cb_func={0x18, 0x5, 0x4, 0x0, 0xfffffffffffffffb}, @ldst={0x2, 0x0, 0x1, 0x2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff}, @initr0={0x18, 0x0, 0x0, 0x0, 0xf6, 0x0, 0x0, 0x0, 0x3a7}], &(0x7f0000000100)='GPL\x00', 0xfd, 0xf4, &(0x7f0000000140)=""/244, 0x41000, 0x19, '\x00', r7, 0x13, r8, 0x8, &(0x7f0000000280)={0xa, 0x3}, 0x8, 0x10, &(0x7f00000002c0)={0x4, 0x0, 0x9, 0x6}, 0x10, 0xffffffffffffffff}, 0x80) (async) 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 3: r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r0, &(0x7f0000000300)={0x2020}, 0x2020) syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2197.696277] nbd: couldn't find a device at index -1907581829 [ 2197.717314] nbd: couldn't find device at index 0 21:53:44 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) [ 2197.821574] nbd: couldn't find a device at index -1907581829 [ 2197.851503] nbd: couldn't find a device at index 5020795 21:53:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)={0x20, r1, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20008010}, 0x80d1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="2c00c177", @ANYRES16=r4, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2404060}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r4, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) socket$bt_cmtp(0x1f, 0x3, 0x5) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd005b0000010000000000080001"], 0x80}}, 0x0) 21:53:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000002380), r2) accept(0xffffffffffffffff, &(0x7f00000023c0)=@generic, &(0x7f0000002440)=0x80) accept4(0xffffffffffffffff, &(0x7f0000002480)=@phonet, &(0x7f0000002500)=0x80, 0x80000) socketpair(0x27, 0x800, 0xfffffffc, &(0x7f0000002540)) pipe2$watch_queue(&(0x7f0000002580), 0x80) r5 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) socketpair(0x6, 0xa, 0x10000, &(0x7f00000025c0)) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000026c0)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000002680)={&(0x7f0000002600)={0x38, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x840) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) r6 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'batadv_slave_1\x00', 0x0}) r8 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x1e, 0x8, &(0x7f00000000c0)=@raw=[@map_fd={0x18, 0x6, 0x1, 0x0, r6}, @exit, @cb_func={0x18, 0x5, 0x4, 0x0, 0xfffffffffffffffb}, @ldst={0x2, 0x0, 0x1, 0x2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff}, @initr0={0x18, 0x0, 0x0, 0x0, 0xf6, 0x0, 0x0, 0x0, 0x3a7}], &(0x7f0000000100)='GPL\x00', 0xfd, 0xf4, &(0x7f0000000140)=""/244, 0x41000, 0x19, '\x00', r7, 0x13, r8, 0x8, &(0x7f0000000280)={0xa, 0x3}, 0x8, 0x10, &(0x7f00000002c0)={0x4, 0x0, 0x9, 0x6}, 0x10, 0xffffffffffffffff}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000002380), r2) (async) accept(0xffffffffffffffff, &(0x7f00000023c0)=@generic, &(0x7f0000002440)=0x80) (async) accept4(0xffffffffffffffff, &(0x7f0000002480)=@phonet, &(0x7f0000002500)=0x80, 0x80000) (async) socketpair(0x27, 0x800, 0xfffffffc, &(0x7f0000002540)) (async) pipe2$watch_queue(&(0x7f0000002580), 0x80) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r5, &(0x7f0000000300)={0x2020}, 0x2020) (async) socketpair(0x6, 0xa, 0x10000, &(0x7f00000025c0)) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000026c0)={&(0x7f0000002340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000002680)={&(0x7f0000002600)={0x38, r4, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x840) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r6, &(0x7f0000000300)={0x2020}, 0x2020) (async) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'batadv_slave_1\x00'}) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r8, &(0x7f0000000300)={0x2020}, 0x2020) (async) bpf$PROG_LOAD(0x5, &(0x7f0000000300)={0x1e, 0x8, &(0x7f00000000c0)=@raw=[@map_fd={0x18, 0x6, 0x1, 0x0, r6}, @exit, @cb_func={0x18, 0x5, 0x4, 0x0, 0xfffffffffffffffb}, @ldst={0x2, 0x0, 0x1, 0x2, 0x1, 0xffffffffffffffff, 0xffffffffffffffff}, @initr0={0x18, 0x0, 0x0, 0x0, 0xf6, 0x0, 0x0, 0x0, 0x3a7}], &(0x7f0000000100)='GPL\x00', 0xfd, 0xf4, &(0x7f0000000140)=""/244, 0x41000, 0x19, '\x00', r7, 0x13, r8, 0x8, &(0x7f0000000280)={0xa, 0x3}, 0x8, 0x10, &(0x7f00000002c0)={0x4, 0x0, 0x9, 0x6}, 0x10, 0xffffffffffffffff}, 0x80) (async) 21:53:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:44 executing program 3: r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r0, &(0x7f0000000300)={0x2020}, 0x2020) syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r0, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) 21:53:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 3: r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r0, &(0x7f0000000300)={0x2020}, 0x2020) syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) read$FUSE(r0, &(0x7f0000000300)={0x2020}, 0x2020) (async) syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2198.096765] nbd: couldn't find a device at index 5020795 [ 2198.113204] nbd: couldn't find a device at index -1907581829 21:53:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)={0x20, r1, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20008010}, 0x80d1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="2c00c177", @ANYRES16=r4, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2404060}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r4, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) socket$bt_cmtp(0x1f, 0x3, 0x5) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd005b0000010000000000080001"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)={0x20, r1, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20008010}, 0x80d1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="2c00c177", @ANYRES16=r4, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2404060}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r4, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) (async) socket$bt_cmtp(0x1f, 0x3, 0x5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd005b0000010000000000080001"], 0x80}}, 0x0) (async) 21:53:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$vcsa(&(0x7f0000000100), 0x3, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) getrusage(0xffffffffffffffff, &(0x7f00000023c0)) pipe2$watch_queue(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) read$FUSE(r3, &(0x7f0000002480)={0x2020}, 0x2020) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f0000002340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=""/119}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="80007354", @ANYRES16=0x0, @ANYBLOB="040626bd7000ffdbdf25050000000c000200000000000000000008000a006e6264000c00040007000000000000002c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080083d6ad2497fdb48eb8d28b53a652b2af06e95a71c257ef082162e0e805eb4a5b98008a18237f63646922844e503542d619a80f7688e8f8647cc91809c20c1d2738ac72b73463a3fe0d00"/90, @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0005002e010000000000000c000800060000000000000008000a006e626400"], 0x80}, 0x1, 0x0, 0x0, 0x800}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) [ 2198.201526] nbd: couldn't find a device at index 5020795 21:53:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}, 0x1, 0x0, 0x0, 0x44800}, 0x0) 21:53:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)={0x20, r1, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x20}, 0x1, 0x0, 0x0, 0x20008010}, 0x80d1) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="2c00c177", @ANYRES16=r4, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2404060}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r4, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0x4) socket$bt_cmtp(0x1f, 0x3, 0x5) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd005b0000010000000000080001"], 0x80}}, 0x0) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$vcsa(&(0x7f0000000100), 0x3, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) getrusage(0xffffffffffffffff, &(0x7f00000023c0)) pipe2$watch_queue(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) read$FUSE(r3, &(0x7f0000002480)={0x2020}, 0x2020) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f0000002340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=""/119}) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="80007354", @ANYRES16=0x0, @ANYBLOB="040626bd7000ffdbdf25050000000c000200000000000000000008000a006e6264000c00040007000000000000002c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080083d6ad2497fdb48eb8d28b53a652b2af06e95a71c257ef082162e0e805eb4a5b98008a18237f63646922844e503542d619a80f7688e8f8647cc91809c20c1d2738ac72b73463a3fe0d00"/90, @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0005002e010000000000000c000800060000000000000008000a006e626400"], 0x80}, 0x1, 0x0, 0x0, 0x800}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsa(&(0x7f0000000100), 0x3, 0x0) (async) syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) (async) getrusage(0xffffffffffffffff, &(0x7f00000023c0)) (async) pipe2$watch_queue(&(0x7f00000002c0), 0x80) (async) read$FUSE(r3, &(0x7f0000002480)={0x2020}, 0x2020) (async) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f0000002340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=""/119}) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="80007354", @ANYRES16=0x0, @ANYBLOB="040626bd7000ffdbdf25050000000c000200000000000000000008000a006e6264000c00040007000000000000002c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080083d6ad2497fdb48eb8d28b53a652b2af06e95a71c257ef082162e0e805eb4a5b98008a18237f63646922844e503542d619a80f7688e8f8647cc91809c20c1d2738ac72b73463a3fe0d00"/90, @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0005002e010000000000000c000800060000000000000008000a006e626400"], 0x80}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) [ 2198.285137] nbd: couldn't find a device at index -1907581829 21:53:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) [ 2198.337594] nla_parse: 118 callbacks suppressed [ 2198.337600] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.375393] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.398067] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.413340] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.423029] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 21:53:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}, 0x1, 0x0, 0x0, 0x44800}, 0x0) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='8z@B', @ANYRES16=r2, @ANYBLOB="000827bd7000ffdbdf25010000000c000600020000000000000008000100000000000c00030007000000000000000c0002000100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000840) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES8=r1], 0x80}}, 0x0) 21:53:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_open_dev$vcsa(&(0x7f0000000100), 0x3, 0x0) (async) r2 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) getrusage(0xffffffffffffffff, &(0x7f00000023c0)) (async) pipe2$watch_queue(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) read$FUSE(r3, &(0x7f0000002480)={0x2020}, 0x2020) (async) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f0000002340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)=""/119}) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="80007354", @ANYRES16=0x0, @ANYBLOB="040626bd7000ffdbdf25050000000c000200000000000000000008000a006e6264000c00040007000000000000002c00078008000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="080083d6ad2497fdb48eb8d28b53a652b2af06e95a71c257ef082162e0e805eb4a5b98008a18237f63646922844e503542d619a80f7688e8f8647cc91809c20c1d2738ac72b73463a3fe0d00"/90, @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c0005002e010000000000000c000800060000000000000008000a006e626400"], 0x80}, 0x1, 0x0, 0x0, 0x800}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) [ 2198.546536] nbd: couldn't find a device at index 5020795 [ 2198.582861] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 21:53:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}, 0x1, 0x0, 0x0, 0x44800}, 0x0) [ 2198.594648] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.608843] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.625217] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2198.636105] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 21:53:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) times(&(0x7f0000000340)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, r2, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r5, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, r4, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x58}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8084}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='8z@B', @ANYRES16=r2, @ANYBLOB="000827bd7000ffdbdf25010000000c000600020000000000000008000100000000000c00030007000000000000000c0002000100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000840) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES8=r1], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='8z@B', @ANYRES16=r2, @ANYBLOB="000827bd7000ffdbdf25010000000c000600020000000000000008000100000000000c00030007000000000000000c0002000100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000840) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES8=r1], 0x80}}, 0x0) (async) [ 2198.684176] nbd: couldn't find a device at index 5020795 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, r4, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x58}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8084}, 0x80) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) times(&(0x7f0000000340)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, r2, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r5, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) times(&(0x7f0000000340)) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, r2, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48001) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r5, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) 21:53:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=ANY=[@ANYBLOB='8z@B', @ANYRES16=r2, @ANYBLOB="000827bd7000ffdbdf25010000000c000600020000000000000008000100000000000c00030007000000000000000c0002000100000000000000"], 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000840) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYRES8=r1], 0x80}}, 0x0) [ 2198.820325] nbd: couldn't find a device at index 5020795 [ 2198.839542] nbd: couldn't find a device at index -1907581829 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) [ 2198.967452] nbd: couldn't find a device at index -1907581829 21:53:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="13d0c189976d169c33a16266db60a66d9d464ab650ea4ec9d6bf596393ddc3d67df9ff14abc5e04b4503a7f1c1444e9e8c29e6e21aaa0e917ddbfd9d507076e58a1d8f7bd2ef56a5ca5ea1de08906de13c4e456e5ed368f01daeebba59a8dbafa76b9948f30af9d3334fe8aade09e2885827c5f6a5e14036b2c5542c84fa5a132232d2af553a15ad23464b704e98322b835a"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000240), r0) (async) times(&(0x7f0000000340)) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, r2, 0x10, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x48001) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x20, r5, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) [ 2199.009211] nbd: couldn't find a device at index 5020795 21:53:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)={0x2c, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, r4, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x58}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x64}, 0x1, 0x0, 0x0, 0x8084}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:45 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:46 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="13d0c189976d169c33a16266db60a66d9d464ab650ea4ec9d6bf596393ddc3d67df9ff14abc5e04b4503a7f1c1444e9e8c29e6e21aaa0e917ddbfd9d507076e58a1d8f7bd2ef56a5ca5ea1de08906de13c4e456e5ed368f01daeebba59a8dbafa76b9948f30af9d3334fe8aade09e2885827c5f6a5e14036b2c5542c84fa5a132232d2af553a15ad23464b704e98322b835a"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:46 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) read$FUSE(r3, &(0x7f0000002340)={0x2020}, 0xffffffffffffffd4) ioctl$IOC_WATCH_QUEUE_SET_SIZE(r3, 0x5760, 0x16) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$PERF_EVENT_IOC_QUERY_BPF(0xffffffffffffffff, 0xc008240a, &(0x7f00000000c0)={0x8, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000100)={0xffffffff, "b290f42a7cc0e14d064ca56561dbb71b8fb0ad0440170f6cfc1b9d8f38282a50"}) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00ffe4", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) [ 2199.122805] nbd: couldn't find a device at index -1907581829 [ 2199.139139] nbd: couldn't find a device at index 5020795 21:53:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="13d0c189976d169c33a16266db60a66d9d464ab650ea4ec9d6bf596393ddc3d67df9ff14abc5e04b4503a7f1c1444e9e8c29e6e21aaa0e917ddbfd9d507076e58a1d8f7bd2ef56a5ca5ea1de08906de13c4e456e5ed368f01daeebba59a8dbafa76b9948f30af9d3334fe8aade09e2885827c5f6a5e14036b2c5542c84fa5a132232d2af553a15ad23464b704e98322b835a"], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="13d0c189976d169c33a16266db60a66d9d464ab650ea4ec9d6bf596393ddc3d67df9ff14abc5e04b4503a7f1c1444e9e8c29e6e21aaa0e917ddbfd9d507076e58a1d8f7bd2ef56a5ca5ea1de08906de13c4e456e5ed368f01daeebba59a8dbafa76b9948f30af9d3334fe8aade09e2885827c5f6a5e14036b2c5542c84fa5a132232d2af553a15ad23464b704e98322b835a"], 0x80}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 21:53:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) (async) read$FUSE(r3, &(0x7f0000002340)={0x2020}, 0xffffffffffffffd4) (async) ioctl$IOC_WATCH_QUEUE_SET_SIZE(r3, 0x5760, 0x16) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) [ 2199.209477] nbd: couldn't find a device at index -1907581829 21:53:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x840) 21:53:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$PERF_EVENT_IOC_QUERY_BPF(0xffffffffffffffff, 0xc008240a, &(0x7f00000000c0)={0x8, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000100)={0xffffffff, "b290f42a7cc0e14d064ca56561dbb71b8fb0ad0440170f6cfc1b9d8f38282a50"}) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00ffe4", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$PERF_EVENT_IOC_QUERY_BPF(0xffffffffffffffff, 0xc008240a, &(0x7f00000000c0)={0x8, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000100)={0xffffffff, "b290f42a7cc0e14d064ca56561dbb71b8fb0ad0440170f6cfc1b9d8f38282a50"}) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00ffe4", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) (async) 21:53:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:46 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB, @ANYRES8=r1], 0x80}}, 0x0) 21:53:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) (async) read$FUSE(r3, &(0x7f0000002340)={0x2020}, 0xffffffffffffffd4) ioctl$IOC_WATCH_QUEUE_SET_SIZE(r3, 0x5760, 0x16) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$PERF_EVENT_IOC_QUERY_BPF(0xffffffffffffffff, 0xc008240a, &(0x7f00000000c0)={0x8, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SW_SYNC_IOC_CREATE_FENCE(0xffffffffffffffff, 0xc0285700, &(0x7f0000000100)={0xffffffff, "b290f42a7cc0e14d064ca56561dbb71b8fb0ad0440170f6cfc1b9d8f38282a50"}) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c00ffe4", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) 21:53:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x840) 21:53:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB, @ANYRES8=r1], 0x80}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB, @ANYRES8=r1], 0x80}}, 0x0) (async) 21:53:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x840) 21:53:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="2c0c0004", @ANYRES16=r4, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r4, 0xa20, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4080001}, 0x40090) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r4, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4010}, 0xc040) 21:53:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000040)=ANY=[@ANYBLOB="90000000", @ANYRES16=r2, @ANYBLOB, @ANYRES8=r1], 0x80}}, 0x0) 21:53:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 21:53:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x2000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = syz_open_dev$vcsa(&(0x7f0000000000), 0x1, 0x0) read$FUSE(r4, &(0x7f0000000300)={0x2020}, 0x2020) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r4, 0x8933, &(0x7f00000023c0)={'batadv_slave_0\x00'}) read$FUSE(0xffffffffffffffff, &(0x7f00000002c0)={0x2020, 0x0, 0x0}, 0x2020) getresgid(&(0x7f0000000080), &(0x7f00000000c0), &(0x7f0000000200)=0x0) write$FUSE_ENTRY(r3, &(0x7f0000002300)={0x90, 0x0, r5, {0x0, 0x2, 0x2, 0x7, 0xfffffff8, 0x8000, {0x3, 0x7, 0x100, 0x7f, 0x20, 0x7, 0x8, 0x1, 0x40, 0x1000, 0x40, 0x0, r6, 0x7, 0x1}}}, 0x90) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="80b4612557e78de9740deadf36fc0c2a1a77677cfc9721dc4500"/36, @ANYRES16=r1, @ANYBLOB="100026bd7000fddbdf25050000001400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00020009000000000000000c00030040000000000000000c00020003000000000000000800010000000000"], 0x54}, 0x1, 0x0, 0x0, 0x808}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000002440)=ANY=[@ANYBLOB="80000000", @ANYRES16=r1, @ANYBLOB="01002cbd7000ffdbdf2502000000080001"], 0x80}}, 0x0) [ 2199.605704] nbd: couldn't find a device at index 5020795 21:53:46 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) 21:53:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000002340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="2c0c0004", @ANYRES16=r4, @ANYBLOB="01000000000000000000050000000c00050000000000000000000c00078008000100", @ANYRES32, @ANYBLOB], 0x2c}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x14, r4, 0xa20, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4080001}, 0x40090) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r4, 0x8, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x200}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4010}, 0xc040) 21:53:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x2000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x2000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) (async) 21:53:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2199.665324] nbd: couldn't find a device at index -1907581829 [ 2199.716349] ================================================================== [ 2199.723915] BUG: KASAN: use-after-free in refcount_dec_not_one+0x9a/0xc0 [ 2199.730748] Read of size 4 at addr ffff88808f40e8d8 by task systemd-udevd/7623 [ 2199.738095] [ 2199.739715] CPU: 0 PID: 7623 Comm: systemd-udevd Not tainted 4.14.292-syzkaller #0 [ 2199.747819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2199.747826] Call Trace: [ 2199.747840] dump_stack+0x1b2/0x281 [ 2199.747854] print_address_description.cold+0x54/0x1d3 [ 2199.747865] kasan_report_error.cold+0x8a/0x191 [ 2199.747875] ? refcount_dec_not_one+0x9a/0xc0 [ 2199.747883] __asan_report_load4_noabort+0x68/0x70 [ 2199.747893] ? refcount_dec_not_one+0x9a/0xc0 [ 2199.747901] refcount_dec_not_one+0x9a/0xc0 [ 2199.747910] refcount_dec_and_mutex_lock+0x1a/0x60 [ 2199.747921] nbd_release+0xf3/0x150 [ 2199.747928] ? nbd_ioctl+0xac0/0xac0 [ 2199.747936] __blkdev_put+0x5aa/0x800 [ 2199.747947] ? revalidate_disk+0x1f0/0x1f0 [ 2199.747954] ? locks_remove_file+0x2cd/0x420 [ 2199.747963] ? blkdev_put+0x75/0x4c0 [ 2199.747971] ? blkdev_put+0x4c0/0x4c0 [ 2199.747981] blkdev_close+0x86/0xb0 [ 2199.762512] nbd: couldn't find a device at index -1907581829 [ 2199.763508] __fput+0x25f/0x7a0 [ 2199.763522] task_work_run+0x11f/0x190 [ 2199.763534] exit_to_usermode_loop+0x1ad/0x200 [ 2199.844753] do_syscall_64+0x4a3/0x640 [ 2199.844768] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2199.844774] RIP: 0033:0x7f52a2a0d270 [ 2199.844778] RSP: 002b:00007fff3838bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 2199.844786] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f52a2a0d270 [ 2199.844791] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 2199.844795] RBP: 00007f52a38c7710 R08: 0000559a8fc7ed20 R09: 0000000000000018 [ 2199.844800] R10: 0000559a8fc7df38 R11: 0000000000000246 R12: 0000000000000000 [ 2199.844803] R13: 0000559a8fc7d880 R14: 0000000000000003 R15: 000000000000000e [ 2199.844816] [ 2199.844820] Allocated by task 7795: [ 2199.844828] kasan_kmalloc+0xeb/0x160 [ 2199.844836] kmem_cache_alloc_trace+0x131/0x3d0 [ 2199.844842] nbd_dev_add+0x7c/0x800 [ 2199.844851] nbd_genl_connect+0x3a4/0x13e0 [ 2199.923184] genl_family_rcv_msg+0x572/0xb20 [ 2199.923192] genl_rcv_msg+0xaf/0x140 [ 2199.931322] netlink_rcv_skb+0x125/0x390 [ 2199.931329] genl_rcv+0x24/0x40 [ 2199.931337] netlink_unicast+0x437/0x610 [ 2199.931342] netlink_sendmsg+0x648/0xbc0 [ 2199.931351] sock_sendmsg+0xb5/0x100 [ 2199.950474] ___sys_sendmsg+0x6c8/0x800 [ 2199.950483] __sys_sendmsg+0xa3/0x120 [ 2199.958233] SyS_sendmsg+0x27/0x40 [ 2199.961770] do_syscall_64+0x1d5/0x640 [ 2199.965650] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2199.970824] [ 2199.972441] Freed by task 7623: [ 2199.975736] kasan_slab_free+0xc3/0x1a0 [ 2199.979720] kfree+0xc9/0x250 [ 2199.982822] nbd_put.part.0+0x100/0x140 [ 2199.986789] nbd_config_put+0x51c/0x6c0 [ 2199.990755] nbd_release+0xdf/0x150 [ 2199.994373] __blkdev_put+0x5aa/0x800 [ 2199.998168] blkdev_close+0x86/0xb0 [ 2200.001782] __fput+0x25f/0x7a0 [ 2200.005054] task_work_run+0x11f/0x190 [ 2200.008932] exit_to_usermode_loop+0x1ad/0x200 [ 2200.013504] do_syscall_64+0x4a3/0x640 [ 2200.017389] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2200.022560] [ 2200.024185] The buggy address belongs to the object at ffff88808f40e800 [ 2200.024185] which belongs to the cache kmalloc-512 of size 512 [ 2200.036830] The buggy address is located 216 bytes inside of [ 2200.036830] 512-byte region [ffff88808f40e800, ffff88808f40ea00) [ 2200.048691] The buggy address belongs to the page: [ 2200.053626] page:ffffea00023d0380 count:1 mapcount:0 mapping:ffff88808f40e080 index:0xffff88808f40e300 [ 2200.063062] flags: 0xfff00000000100(slab) [ 2200.067207] raw: 00fff00000000100 ffff88808f40e080 ffff88808f40e300 0000000100000002 [ 2200.075085] raw: ffffea000273a560 ffffea0002bb2c60 ffff88813fe74940 0000000000000000 [ 2200.082957] page dumped because: kasan: bad access detected [ 2200.088655] [ 2200.090272] Memory state around the buggy address: [ 2200.095185] ffff88808f40e780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 2200.102521] ffff88808f40e800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2200.109887] >ffff88808f40e880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb 21:53:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x8, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x2000000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x1) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r4) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000080001007b9c4c8e"], 0x1c}}, 0x0) 21:53:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ')-'}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x2080}, 0x840) [ 2200.117220] ^ [ 2200.123439] ffff88808f40e900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2200.130784] ffff88808f40e980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2200.138117] ================================================================== [ 2200.145452] Disabling lock debugging due to kernel taint [ 2200.161324] Kernel panic - not syncing: panic_on_warn set ... [ 2200.161324] [ 2200.168691] CPU: 0 PID: 7623 Comm: systemd-udevd Tainted: G B 4.14.292-syzkaller #0 [ 2200.177688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 2200.187029] Call Trace: [ 2200.189605] dump_stack+0x1b2/0x281 [ 2200.193232] panic+0x1f9/0x42d [ 2200.196413] ? add_taint.cold+0x16/0x16 [ 2200.200380] ? ___preempt_schedule+0x16/0x18 [ 2200.204781] kasan_end_report+0x43/0x49 [ 2200.208744] kasan_report_error.cold+0xa7/0x191 [ 2200.213403] ? refcount_dec_not_one+0x9a/0xc0 [ 2200.217886] __asan_report_load4_noabort+0x68/0x70 [ 2200.222807] ? refcount_dec_not_one+0x9a/0xc0 [ 2200.227300] refcount_dec_not_one+0x9a/0xc0 [ 2200.231598] refcount_dec_and_mutex_lock+0x1a/0x60 [ 2200.236520] nbd_release+0xf3/0x150 [ 2200.240132] ? nbd_ioctl+0xac0/0xac0 [ 2200.243966] __blkdev_put+0x5aa/0x800 [ 2200.247797] ? revalidate_disk+0x1f0/0x1f0 [ 2200.252013] ? locks_remove_file+0x2cd/0x420 [ 2200.256395] ? blkdev_put+0x75/0x4c0 [ 2200.260083] ? blkdev_put+0x4c0/0x4c0 [ 2200.263862] blkdev_close+0x86/0xb0 [ 2200.267466] __fput+0x25f/0x7a0 [ 2200.270730] task_work_run+0x11f/0x190 [ 2200.274609] exit_to_usermode_loop+0x1ad/0x200 [ 2200.279175] do_syscall_64+0x4a3/0x640 [ 2200.283045] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 2200.288299] RIP: 0033:0x7f52a2a0d270 [ 2200.291996] RSP: 002b:00007fff3838bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 2200.299765] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f52a2a0d270 [ 2200.307019] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 2200.314276] RBP: 00007f52a38c7710 R08: 0000559a8fc7ed20 R09: 0000000000000018 [ 2200.321534] R10: 0000559a8fc7df38 R11: 0000000000000246 R12: 0000000000000000 [ 2200.328780] R13: 0000559a8fc7d880 R14: 0000000000000003 R15: 000000000000000e [ 2200.336199] Kernel Offset: disabled [ 2200.339814] Rebooting in 86400 seconds..