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", @ANYBLOB="010800fdffff08c3e5e807"], 0x14}}, 0x0) (rerun: 32) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x40008}, 0x20044881) 23:41:37 executing program 4: accept4$unix(0xffffffffffffffff, &(0x7f0000000180), &(0x7f0000000200)=0x6e, 0x80800) r0 = syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x103d}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x24000840) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="010000000000000000000100007b48883432f29e11193bcffa73000808010000000000"], 0x1c}}, 0x0) 23:41:37 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) [ 2320.364408] nbd: must specify at least one socket [ 2320.376988] nbd: must specify at least one socket [ 2320.401661] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. 23:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00@', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) 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$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, r6, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0xa}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:mtrr_device_t:s0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040), 0x80101, 0x0) ioctl$SNDCTL_DSP_POST(r7, 0x5008, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000002908000000000000006d5f0000baaf5f636f6e665f743a733000000020"], 0x40}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) (async) syz_init_net_socket$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_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, r6, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0xa}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:mtrr_device_t:s0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000040), 0x80101, 0x0) (async) ioctl$SNDCTL_DSP_POST(r7, 0x5008, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000002908000000000000006d5f0000baaf5f636f6e665f743a733000000020"], 0x40}}, 0x0) (async) 23:41:37 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) (async) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000002300)=ANY=[@ANYRESHEX=r2, @ANYBLOB="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", @ANYBLOB="010800fdffff08c3e5e807"], 0x14}}, 0x0) (rerun: 32) 23:41:37 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x38, r3, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x40008}, 0x20044881) [ 2320.486869] nbd: must specify at least one socket [ 2320.498731] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2320.539651] nbd: must specify at least one socket 23:41:37 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) 23:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYRES16=r4, @ANYRES32=r3, @ANYRES8=r4], 0x44}}, 0x20008090) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa3626a14b6db9e9221227e9a5896378f5e58cefa509dae200000000c9b61da61b9bb6e86426a54678be1cc5eb6a0d7651362572459a8cf0baf4404e6de33ee7d7c4f074ef28c15c67ab495298438e"], 0x20}}, 0x0) 23:41:37 executing program 4: accept4$unix(0xffffffffffffffff, &(0x7f0000000180), &(0x7f0000000200)=0x6e, 0x80800) (async) r0 = syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, 0x0, 0x1, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x103d}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x24000840) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000240)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="010000000000000000000100007b48883432f29e11193bcffa73000808010000000000"], 0x1c}}, 0x0) 23:41:37 executing program 2: ioctl$DRM_IOCTL_SYNCOBJ_CREATE(0xffffffffffffffff, 0xc00864bf, &(0x7f0000000040)={0x0, 0x1}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) 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$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x40, r5, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gretap0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8081}, 0x2004800c) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80280000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="cba381cba13c155cf48fc291eceae2a1ca3cb9a47caea888daacaf1122f6eeddc62e7e0d2f94acb62e1bf419faffc5243dc99685656d2211fbe31dffc217a745b725152f6f00ef096771a68bf91562c0a7708c5947e3c375a032472ae88c2463f83f03e7ce731e72df9f", @ANYRES16=r1, @ANYBLOB="04002bbd7000fedbdf25030000003000070073797374656d5f753a6f626a6563745f723a73797374656d5f64627573645f7661725f72756e5f743a7330001400020000000000000000000000ffffac1e000108000500ac1414bb080005000a010100080004000000000008000500e0000001"], 0x78}}, 0xc002) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000140)) [ 2320.623862] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. 23:41:37 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, r6, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0xa}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:mtrr_device_t:s0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x84) r7 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040), 0x80101, 0x0) ioctl$SNDCTL_DSP_POST(r7, 0x5008, 0x0) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000002908000000000000006d5f0000baaf5f636f6e665f743a733000000020"], 0x40}}, 0x0) (rerun: 32) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$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) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auth_cache_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x40008050}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='%\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010028bd70000000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x20048010) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 23:41:37 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 23:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="00001f884108bc4d733de8c677a2a11230ef0859d0a35ed33a42dc3c628cce871efc5ff0e479728d31454d477a2f839e103418f7ac04da85e6cbc523a4bb97936365e3c97be0e552be00000000000000006d9cc645983dea569a240bb29d2bbf83fa0ac3af9b5db7be48b0aa7ff105ce47dab13713746667f844961997b1ea138520699e9a5a674c5d5a2429b092c3e75ce98ff22fd8eb5766f77b07"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000880) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x8c, r3, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x36}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1e}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) [ 2320.678237] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. [ 2320.716739] nbd: must specify at least one socket 23:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYRES16=r4, @ANYRES32=r3, @ANYRES8=r4], 0x44}}, 0x20008090) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa3626a14b6db9e9221227e9a5896378f5e58cefa509dae200000000c9b61da61b9bb6e86426a54678be1cc5eb6a0d7651362572459a8cf0baf4404e6de33ee7d7c4f074ef28c15c67ab495298438e"], 0x20}}, 0x0) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auth_cache_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x40008050}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='%\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010028bd70000000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x20048010) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 23:41:37 executing program 2: ioctl$DRM_IOCTL_SYNCOBJ_CREATE(0xffffffffffffffff, 0xc00864bf, &(0x7f0000000040)={0x0, 0x1}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) 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$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x40, r5, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gretap0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8081}, 0x2004800c) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80280000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="cba381cba13c155cf48fc291eceae2a1ca3cb9a47caea888daacaf1122f6eeddc62e7e0d2f94acb62e1bf419faffc5243dc99685656d2211fbe31dffc217a745b725152f6f00ef096771a68bf91562c0a7708c5947e3c375a032472ae88c2463f83f03e7ce731e72df9f", @ANYRES16=r1, @ANYBLOB="04002bbd7000fedbdf25030000003000070073797374656d5f753a6f626a6563745f723a73797374656d5f64627573645f7661725f72756e5f743a7330001400020000000000000000000000ffffac1e000108000500ac1414bb080005000a010100080004000000000008000500e0000001"], 0x78}}, 0xc002) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) (async) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000140)) 23:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="00001f884108bc4d733de8c677a2a11230ef0859d0a35ed33a42dc3c628cce871efc5ff0e479728d31454d477a2f839e103418f7ac04da85e6cbc523a4bb97936365e3c97be0e552be00000000000000006d9cc645983dea569a240bb29d2bbf83fa0ac3af9b5db7be48b0aa7ff105ce47dab13713746667f844961997b1ea138520699e9a5a674c5d5a2429b092c3e75ce98ff22fd8eb5766f77b07"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000880) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x8c, r3, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x36}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1e}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="00001f884108bc4d733de8c677a2a11230ef0859d0a35ed33a42dc3c628cce871efc5ff0e479728d31454d477a2f839e103418f7ac04da85e6cbc523a4bb97936365e3c97be0e552be00000000000000006d9cc645983dea569a240bb29d2bbf83fa0ac3af9b5db7be48b0aa7ff105ce47dab13713746667f844961997b1ea138520699e9a5a674c5d5a2429b092c3e75ce98ff22fd8eb5766f77b07"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000880) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x8c, r3, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x36}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1e}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) 23:41:37 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYRES16=r4, @ANYRES32=r3, @ANYRES8=r4], 0x44}}, 0x20008090) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa3626a14b6db9e9221227e9a5896378f5e58cefa509dae200000000c9b61da61b9bb6e86426a54678be1cc5eb6a0d7651362572459a8cf0baf4404e6de33ee7d7c4f074ef28c15c67ab495298438e"], 0x20}}, 0x0) 23:41:37 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auth_cache_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x40008050}, 0x20008000) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, 0x0, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auth_cache_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x40008050}, 0x20008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='%\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010028bd70000000000001000000"], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x20048010) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) [ 2320.865118] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2320.896285] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 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$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f0000000140)=ANY=[@ANYBLOB="3000b7832aa98e9e2f12280000000000", @ANYRES16=r5, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r5, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x24044845) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="81000000000100000000000030ea"], 0x14}}, 0x0) [ 2320.928481] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2320.947838] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2320.958212] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. 23:41:37 executing program 1: syz_init_net_socket$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) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x4c040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="2811480c51fe1a11b88828b6a0ede09a96ad9d485477a813c94e38c437c7481e5d6402e66ed2aee749c71987187ff96750dd693f0860c66042998d36802ab4569297041e687ee123b04e3dc82a9fcda3836403ffe1c4e3f4722bf062472de426d6e5f1e6eb44cf793b2c76c25f7388c83740b9", @ANYRES16=r2, @ANYBLOB="01000000000000000000032000002900070073797374656d5f753a6f626a37e676cd8a1238747461626c65735f636f6e665f743a7330f1ffffffa39171e0afa68cc5053f64fc55f17d28c437eafe5b"], 0x40}}, 0x0) 23:41:37 executing program 2: ioctl$DRM_IOCTL_SYNCOBJ_CREATE(0xffffffffffffffff, 0xc00864bf, &(0x7f0000000040)={0x0, 0x1}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x40, r5, 0x100, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gretap0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8081}, 0x2004800c) (async, rerun: 64) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80280000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="cba381cba13c155cf48fc291eceae2a1ca3cb9a47caea888daacaf1122f6eeddc62e7e0d2f94acb62e1bf419faffc5243dc99685656d2211fbe31dffc217a745b725152f6f00ef096771a68bf91562c0a7708c5947e3c375a032472ae88c2463f83f03e7ce731e72df9f", @ANYRES16=r1, @ANYBLOB="04002bbd7000fedbdf25030000003000070073797374656d5f753a6f626a6563745f723a73797374656d5f64627573645f7661725f72756e5f743a7330001400020000000000000000000000ffffac1e000108000500ac1414bb080005000a010100080004000000000008000500e0000001"], 0x78}}, 0xc002) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000140)) 23:41:37 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r4) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:37 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 23:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="00001f884108bc4d733de8c677a2a11230ef0859d0a35ed33a42dc3c628cce871efc5ff0e479728d31454d477a2f839e103418f7ac04da85e6cbc523a4bb97936365e3c97be0e552be00000000000000006d9cc645983dea569a240bb29d2bbf83fa0ac3af9b5db7be48b0aa7ff105ce47dab13713746667f844961997b1ea138520699e9a5a674c5d5a2429b092c3e75ce98ff22fd8eb5766f77b07"], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20000880) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x8c, r3, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x36}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1e}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:ptchown_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f0000000140)=ANY=[@ANYBLOB="3000b7832aa98e9e2f12280000000000", @ANYRES16=r5, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r5, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x24044845) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="81000000000100000000000030ea"], 0x14}}, 0x0) 23:41:37 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000b2e6a32379cd9ea54dd29c1e6130b2da8f573c5865a5a529eb96137c9b898a0867bccfdb96e4d427099182479c1dfd462516cd8937e686457819b6e27d9a323ce3d4eb2e3e6bd520423c9bc9fdd0ab01423f838705dae9ea7d95bced0ae3048445b6d795e180f7b76b15df4b4f29d516f3adbaeaeb52b6ec6b021677752f89ee70b5c32edaf7431eab5fdb38afc12900baa9ca1c8723c3a470200494c2527638852a073cc2b9fb6942bb3cc5829ae0fc718f16baccaaa383016efcc0d124215e84"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r3, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4091) 23:41:37 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) 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$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f0000000140)=ANY=[@ANYBLOB="3000b7832aa98e9e2f12280000000000", @ANYRES16=r5, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000), 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r5, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x24044845) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="81000000000100000000000030ea"], 0x14}}, 0x0) 23:41:37 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) 23:41:37 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x4c040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x4c040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="2811480c51fe1a11b88828b6a0ede09a96ad9d485477a813c94e38c437c7481e5d6402e66ed2aee749c71987187ff96750dd693f0860c66042998d36802ab4569297041e687ee123b04e3dc82a9fcda3836403ffe1c4e3f4722bf062472de426d6e5f1e6eb44cf793b2c76c25f7388c83740b9", @ANYRES16=r2, @ANYBLOB="01000000000000000000032000002900070073797374656d5f753a6f626a37e676cd8a1238747461626c65735f636f6e665f743a7330f1ffffffa39171e0afa68cc5053f64fc55f17d28c437eafe5b"], 0x40}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="2811480c51fe1a11b88828b6a0ede09a96ad9d485477a813c94e38c437c7481e5d6402e66ed2aee749c71987187ff96750dd693f0860c66042998d36802ab4569297041e687ee123b04e3dc82a9fcda3836403ffe1c4e3f4722bf062472de426d6e5f1e6eb44cf793b2c76c25f7388c83740b9", @ANYRES16=r2, @ANYBLOB="01000000000000000000032000002900070073797374656d5f753a6f626a37e676cd8a1238747461626c65735f636f6e665f743a7330f1ffffffa39171e0afa68cc5053f64fc55f17d28c437eafe5b"], 0x40}}, 0x0) 23:41:38 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r4) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r4) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) [ 2321.147902] nbd: must specify at least one socket [ 2321.162265] nbd: must specify at least one socket 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000b2e6a32379cd9ea54dd29c1e6130b2da8f573c5865a5a529eb96137c9b898a0867bccfdb96e4d427099182479c1dfd462516cd8937e686457819b6e27d9a323ce3d4eb2e3e6bd520423c9bc9fdd0ab01423f838705dae9ea7d95bced0ae3048445b6d795e180f7b76b15df4b4f29d516f3adbaeaeb52b6ec6b021677752f89ee70b5c32edaf7431eab5fdb38afc12900baa9ca1c8723c3a470200494c2527638852a073cc2b9fb6942bb3cc5829ae0fc718f16baccaaa383016efcc0d124215e84"], 0x1c}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r3, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4091) 23:41:38 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x404c004) 23:41:38 executing program 1: 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x4c040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="2811480c51fe1a11b88828b6a0ede09a96ad9d485477a813c94e38c437c7481e5d6402e66ed2aee749c71987187ff96750dd693f0860c66042998d36802ab4569297041e687ee123b04e3dc82a9fcda3836403ffe1c4e3f4722bf062472de426d6e5f1e6eb44cf793b2c76c25f7388c83740b9", @ANYRES16=r2, @ANYBLOB="01000000000000000000032000002900070073797374656d5f753a6f626a37e676cd8a1238747461626c65735f636f6e665f743a7330f1ffffffa39171e0afa68cc5053f64fc55f17d28c437eafe5b"], 0x40}}, 0x0) [ 2321.238272] nbd: must specify at least one socket 23:41:38 executing program 0: 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r4) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000b2e6a32379cd9ea54dd29c1e6130b2da8f573c5865a5a529eb96137c9b898a0867bccfdb96e4d427099182479c1dfd462516cd8937e686457819b6e27d9a323ce3d4eb2e3e6bd520423c9bc9fdd0ab01423f838705dae9ea7d95bced0ae3048445b6d795e180f7b76b15df4b4f29d516f3adbaeaeb52b6ec6b021677752f89ee70b5c32edaf7431eab5fdb38afc12900baa9ca1c8723c3a470200494c2527638852a073cc2b9fb6942bb3cc5829ae0fc718f16baccaaa383016efcc0d124215e84"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r3, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4091) 23:41:38 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$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x404c004) [ 2321.306404] nbd: must specify at least one socket 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x628500) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x40002) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, 0x0, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x20004881}, 0x20008831) r10 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r10, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \n\x00\x00', @ANYRES16=r3, @ANYRES32=r2], 0x20}}, 0x0) 23:41:38 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r2, 0x300, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_0\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x5}, 0x81) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2321.385414] nbd: must specify at least one socket 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x404c004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x404c004) (async) 23:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) ioctl$RNDCLEARPOOL(r4, 0x5206, &(0x7f0000000340)=0x40000) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, r2, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x628500) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x40002) (async) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, 0x0, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x20004881}, 0x20008831) r10 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r10, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \n\x00\x00', @ANYRES16=r3, @ANYRES32=r2], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \n\x00\x00', @ANYRES16=r3, @ANYRES32=r2], 0x20}}, 0x0) 23:41:38 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r2, 0x300, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_0\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x5}, 0x81) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, r2, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, 0x0, 0xff914f9f1e8e3e95, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x51) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r0, @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x628500) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) (async) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x40002) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x94, 0x0, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}]}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x20004881}, 0x20008831) r10 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r10, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, r2, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) 23:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) (async) ioctl$RNDCLEARPOOL(r4, 0x5206, &(0x7f0000000340)=0x40000) [ 2321.534686] nbd: must specify a size in bytes for the device 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \n\x00\x00', @ANYRES16=r3, @ANYRES32=r2], 0x20}}, 0x0) 23:41:38 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r2, 0x300, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_0\x00'}]}, 0x9c}, 0x1, 0x0, 0x0, 0x5}, 0x81) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, 0x0, 0xff914f9f1e8e3e95, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x51) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r0, @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}}, 0x20000009) 23:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) (async, rerun: 64) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) (async, rerun: 64) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async, rerun: 64) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) (async) ioctl$RNDCLEARPOOL(r4, 0x5206, &(0x7f0000000340)=0x40000) 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x4201) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r2, @ANYRESDEC=r5, @ANYBLOB="48ea317258574bc716181424fa0f206eb5cbf4cd02410729145b9cc7a04e80e5b38483224a9416fe811a4130cd30a1c04fadaad14fda1ed412389dbf61481c512a6254da8b5f37bbbc494a5ad6953b01e3bd0e3d4dc79cfa8df5403c4c7dee3d6838dbfde7eb1a64193a5dc3abb0d9415220ae969f3dca51f62dc5bec6165c9a170ff68525c74ef62a8305ac92b6f6b82f5f000fd2ca44", @ANYRES16=r1, @ANYRES16=r6, @ANYBLOB="a1448c98653737a908260abee082fb93d425a82bc8591903aa230a9d470dbe7487a3c5c1c757ce9a0ba97bb6ff50da38e8b6cd04c74096c157b8ec99", @ANYRESHEX=r1, @ANYBLOB="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"], 0x1c}}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) [ 2321.655349] nbd: must specify a size in bytes for the device 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="22000000bfa2c28d696b6e7441b39977db4704ae8cc5a2320918e4acf4510492ce4b3d7304d1a78b5c64ed817b25da483753ed8151", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}}, 0x20000009) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, 0x0, 0xff914f9f1e8e3e95, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x51) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYRESOCT=r0, @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x4201) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async, rerun: 64) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (rerun: 64) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r2, @ANYRESDEC=r5, @ANYBLOB="48ea317258574bc716181424fa0f206eb5cbf4cd02410729145b9cc7a04e80e5b38483224a9416fe811a4130cd30a1c04fadaad14fda1ed412389dbf61481c512a6254da8b5f37bbbc494a5ad6953b01e3bd0e3d4dc79cfa8df5403c4c7dee3d6838dbfde7eb1a64193a5dc3abb0d9415220ae969f3dca51f62dc5bec6165c9a170ff68525c74ef62a8305ac92b6f6b82f5f000fd2ca44", @ANYRES16=r1, @ANYRES16=r6, @ANYBLOB="a1448c98653737a908260abee082fb93d425a82bc8591903aa230a9d470dbe7487a3c5c1c757ce9a0ba97bb6ff50da38e8b6cd04c74096c157b8ec99", @ANYRESHEX=r1, @ANYBLOB="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"], 0x1c}}, 0x0) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="22000000bfa2c28d696b6e7441b39977db4704ae8cc5a2320918e4acf4510492ce4b3d7304d1a78b5c64ed817b25da483753ed8151", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)={0x14, r2, 0x1}, 0x14}}, 0x20000009) [ 2321.776318] nbd: must specify a size in bytes for the device 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="22000000bfa2c28d696b6e7441b39977db4704ae8cc5a2320918e4acf4510492ce4b3d7304d1a78b5c64ed817b25da483753ed8151", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000002000070073797374d6fdcc8ff0f623b76563745f723a626f6f741f743a7330002aee6f390f883d15cde8bab36f2d57d56c60e5c8e98493cd9d12491d2e92191f15cb746a10aeb5ca256600de52c66c4afd3868f0402d7ef700e3b9405ab255d0290ee125f7765d9e29dd4da593d1ed61ca41df63aa04000000d5db23a5bd55ed7619a1306ac7d962004672f72997a7c16c6f43122e70f665c677bbc00f2cbac7ea0acbfd683a3570e6d764a1141576467a0e1d6c4deae736569c5f9010855b05a9545d58727036b2f073a09e420ca34c9f8785513e658200"], 0x34}}, 0x0) 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x4201) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r2, @ANYRESDEC=r5, @ANYBLOB="48ea317258574bc716181424fa0f206eb5cbf4cd02410729145b9cc7a04e80e5b38483224a9416fe811a4130cd30a1c04fadaad14fda1ed412389dbf61481c512a6254da8b5f37bbbc494a5ad6953b01e3bd0e3d4dc79cfa8df5403c4c7dee3d6838dbfde7eb1a64193a5dc3abb0d9415220ae969f3dca51f62dc5bec6165c9a170ff68525c74ef62a8305ac92b6f6b82f5f000fd2ca44", @ANYRES16=r1, @ANYRES16=r6, @ANYBLOB="a1448c98653737a908260abee082fb93d425a82bc8591903aa230a9d470dbe7487a3c5c1c757ce9a0ba97bb6ff50da38e8b6cd04c74096c157b8ec99", @ANYRESHEX=r1, @ANYBLOB="d31378366d447369fa5f6fb61c413f75ebb542dda1ba73c0f2b36e93fab428fd9330fe691d3c83a0ff6f00457672ccea10735287eeb38c48c15b74e9bf6ae98826318d97f5d7a6a24f711ce882e245d672cee123f82e39a847c3e2390ae03155d0fbb57b8a16232b63132fbbfc68cdfcf75db3595f1ed7e8da71f85e5a276c5254c048e1a68b7eb87773e8822d2d106b66454eb95bce303efed8ada0cf1efd898a7e24c46e3ed4b0900b392204cb3ede72e026741e2ef1c4d5008c1f450a69037cfb716132bc7ea9dd8d4357ae237e4160ca4a2a7c6b2bfa6a0144862de6886d5aa062d5061fec72b60ac2cccdf5f29c4808273611144cbda9c1a4dfd52825ec109df430ec33a1f0e0320e242fe49dacceb1080c8f5e1b7c6b3b0af995aa2ec801108f088adec3896ee0e0df747f27adb55fe8d4c4108f08fa01c4c6da6a6262bfa08f600cc246c30086315f1e8ae1fa5bd62297be124b542173af4662bad1bbcda6ac947f41a266f4145cdeecef5061db2d0e75054420f56f83e5e47a4d3dda7866d51d293f32dd29231a34385ecb6c34ed73960aeaf6a242b3c0fd6685699865c8bb720fffffffff0000000000000000000000000000b082ad8947af3e2eb4db0c73635fdcb0693283ea37311234be6a14b2cfc07e9c741372d0dd4de9a3cdf29a09702590e0a10f69a5566a96de255b937e11a8c52d967fe25414175127411c9f7fb66a2bbd51fcc8f6626c83272ecaf7bd3fc8b041c4a6ffe44a94b8ca57010022d43576b734a26a43ca87cdb2"], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000002c0)=ANY=[@ANYRESDEC=r2, @ANYRESDEC=r5, @ANYBLOB="48ea317258574bc716181424fa0f206eb5cbf4cd02410729145b9cc7a04e80e5b38483224a9416fe811a4130cd30a1c04fadaad14fda1ed412389dbf61481c512a6254da8b5f37bbbc494a5ad6953b01e3bd0e3d4dc79cfa8df5403c4c7dee3d6838dbfde7eb1a64193a5dc3abb0d9415220ae969f3dca51f62dc5bec6165c9a170ff68525c74ef62a8305ac92b6f6b82f5f000fd2ca44", @ANYRES16=r1, @ANYRES16=r6, @ANYBLOB="a1448c98653737a908260abee082fb93d425a82bc8591903aa230a9d470dbe7487a3c5c1c757ce9a0ba97bb6ff50da38e8b6cd04c74096c157b8ec99", @ANYRESHEX=r1, @ANYBLOB="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"], 0x1c}}, 0x0) 23:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x0, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:agp_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x50) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000003c0)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xd4, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_team\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x34}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:useradd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:hwclock_exec_t:s0\x00'}]}, 0xd4}, 0x1, 0x0, 0x0, 0x4008040}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000400)=ANY=[@ANYBLOB="c3a6fafef7bb4335a3ed56b04f47c82f10fb09ff51074ca87e539fb4a8aebf91dd01285908abff16da31c9259604eb48acb429720b5923fa554501c00a04a082ef4114bd4f58df49954655c41adc62a0615441ce36f71c5812d70b46f06e06189d78a9c3d6b19c509c59d14be69b9809c756245696f216fa7155f77d1a49fd237d", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002e3088627676c1096fdfbc02cc76c5663c6ee9f3a020e7fb73320dcbbdcf9a52c421909b60c671a03dad558f6935d438857411ac8b69c2377a05c17407ff59227fa4125b02e4353d6345423be7046708184deceb876ff55b1a635284f61881554bcf35219b57698bf67f7895cde31c9bdbdcedcc8b8c9c3b2d620edb296ce05811"], 0x14}}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x28}}, 0x0) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="f52550c820000000", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="f52550c820000000", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$P9_ROPEN(0xffffffffffffffff, &(0x7f00000002c0)={0x18, 0x71, 0x2, {{0x8, 0x4, 0x6}, 0xa5}}, 0x18) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x2008844}, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000280)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)={0xc0, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x8040}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x28}}, 0x0) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000002000070073797374d6fdcc8ff0f623b76563745f723a626f6f741f743a7330002aee6f390f883d15cde8bab36f2d57d56c60e5c8e98493cd9d12491d2e92191f15cb746a10aeb5ca256600de52c66c4afd3868f0402d7ef700e3b9405ab255d0290ee125f7765d9e29dd4da593d1ed61ca41df63aa04000000d5db23a5bd55ed7619a1306ac7d962004672f72997a7c16c6f43122e70f665c677bbc00f2cbac7ea0acbfd683a3570e6d764a1141576467a0e1d6c4deae736569c5f9010855b05a9545d58727036b2f073a09e420ca34c9f8785513e658200"], 0x34}}, 0x0) 23:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x0, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:agp_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x50) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000003c0)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xd4, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_team\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x34}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:useradd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:hwclock_exec_t:s0\x00'}]}, 0xd4}, 0x1, 0x0, 0x0, 0x4008040}, 0x1) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000400)=ANY=[@ANYBLOB="c3a6fafef7bb4335a3ed56b04f47c82f10fb09ff51074ca87e539fb4a8aebf91dd01285908abff16da31c9259604eb48acb429720b5923fa554501c00a04a082ef4114bd4f58df49954655c41adc62a0615441ce36f71c5812d70b46f06e06189d78a9c3d6b19c509c59d14be69b9809c756245696f216fa7155f77d1a49fd237d", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002e3088627676c1096fdfbc02cc76c5663c6ee9f3a020e7fb73320dcbbdcf9a52c421909b60c671a03dad558f6935d438857411ac8b69c2377a05c17407ff59227fa4125b02e4353d6345423be7046708184deceb876ff55b1a635284f61881554bcf35219b57698bf67f7895cde31c9bdbdcedcc8b8c9c3b2d620edb296ce05811"], 0x14}}, 0x0) 23:41:38 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:38 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) write$P9_ROPEN(0xffffffffffffffff, &(0x7f00000002c0)={0x18, 0x71, 0x2, {{0x8, 0x4, 0x6}, 0xa5}}, 0x18) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x2008844}, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000280)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)={0xc0, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x8040}, 0x8000) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) [ 2322.042257] nbd: must specify at least one socket 23:41:38 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="f52550c820000000", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:38 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000002000070073797374d6fdcc8ff0f623b76563745f723a626f6f741f743a7330002aee6f390f883d15cde8bab36f2d57d56c60e5c8e98493cd9d12491d2e92191f15cb746a10aeb5ca256600de52c66c4afd3868f0402d7ef700e3b9405ab255d0290ee125f7765d9e29dd4da593d1ed61ca41df63aa04000000d5db23a5bd55ed7619a1306ac7d962004672f72997a7c16c6f43122e70f665c677bbc00f2cbac7ea0acbfd683a3570e6d764a1141576467a0e1d6c4deae736569c5f9010855b05a9545d58727036b2f073a09e420ca34c9f8785513e658200"], 0x34}}, 0x0) 23:41:38 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x28}}, 0x0) 23:41:38 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x0, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:agp_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x50) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000003c0)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xd4, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_team\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x34}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:useradd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:hwclock_exec_t:s0\x00'}]}, 0xd4}, 0x1, 0x0, 0x0, 0x4008040}, 0x1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000400)=ANY=[@ANYBLOB="c3a6fafef7bb4335a3ed56b04f47c82f10fb09ff51074ca87e539fb4a8aebf91dd01285908abff16da31c9259604eb48acb429720b5923fa554501c00a04a082ef4114bd4f58df49954655c41adc62a0615441ce36f71c5812d70b46f06e06189d78a9c3d6b19c509c59d14be69b9809c756245696f216fa7155f77d1a49fd237d", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002e3088627676c1096fdfbc02cc76c5663c6ee9f3a020e7fb73320dcbbdcf9a52c421909b60c671a03dad558f6935d438857411ac8b69c2377a05c17407ff59227fa4125b02e4353d6345423be7046708184deceb876ff55b1a635284f61881554bcf35219b57698bf67f7895cde31c9bdbdcedcc8b8c9c3b2d620edb296ce05811"], 0x14}}, 0x0) syz_init_net_socket$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) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x0, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:agp_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x50) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000003c0)={&(0x7f0000000240), 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xd4, 0x0, 0x200, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_team\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x34}}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:useradd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:hwclock_exec_t:s0\x00'}]}, 0xd4}, 0x1, 0x0, 0x0, 0x4008040}, 0x1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000400)=ANY=[@ANYBLOB="c3a6fafef7bb4335a3ed56b04f47c82f10fb09ff51074ca87e539fb4a8aebf91dd01285908abff16da31c9259604eb48acb429720b5923fa554501c00a04a082ef4114bd4f58df49954655c41adc62a0615441ce36f71c5812d70b46f06e06189d78a9c3d6b19c509c59d14be69b9809c756245696f216fa7155f77d1a49fd237d", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002e3088627676c1096fdfbc02cc76c5663c6ee9f3a020e7fb73320dcbbdcf9a52c421909b60c671a03dad558f6935d438857411ac8b69c2377a05c17407ff59227fa4125b02e4353d6345423be7046708184deceb876ff55b1a635284f61881554bcf35219b57698bf67f7895cde31c9bdbdcedcc8b8c9c3b2d620edb296ce05811"], 0x14}}, 0x0) (async) 23:41:38 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0116d20600000000000001"], 0x20}}, 0x0) 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}]}, 0x30}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x28, r1, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x28}, 0x1, 0x0, 0x0, 0xc1}, 0x240040c1) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) write$P9_ROPEN(0xffffffffffffffff, &(0x7f00000002c0)={0x18, 0x71, 0x2, {{0x8, 0x4, 0x6}, 0xa5}}, 0x18) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x2008844}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, r1, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x2008844}, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000280)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)={0xc0, 0x0, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0xc0}, 0x1, 0x0, 0x0, 0x8040}, 0x8000) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r1, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x0) [ 2322.164450] nbd: must specify at least one socket 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x28}}, 0x0) 23:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000500)=ANY=[@ANYBLOB="a0d3117c7200a23b5b5c00816aa3", @ANYRES16=0x0, @ANYBLOB="20002abd7000fcdbdf250400000008000500ac1414bb2700070073797374656d5f753a6f626a6563745f723a6e756c6c5f6465766963655f743a7330000014000200fc00000000000000000000000000000108000400ac14140e1400060073797a5f74756e0000000000000000002b00070073797374656d5f753a6f626a6563745f723a7379736c6f67645f7661725f72756e5f743a73300000"], 0xa0}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x40, 0x0, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff80000000}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, r3, 0x0, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:pam_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x80}}, 0x84) openat$ppp(0xffffffffffffff9c, &(0x7f0000000200), 0x100, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:39 executing program 3: clock_gettime(0x1, &(0x7f0000000080)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2322.237137] nbd: must specify at least one socket 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}]}, 0x30}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x28, r1, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x28}, 0x1, 0x0, 0x0, 0xc1}, 0x240040c1) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0116d20600000000000001"], 0x20}}, 0x0) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) setsockopt$RDS_RECVERR(0xffffffffffffffff, 0x114, 0x5, &(0x7f00000000c0)=0x1, 0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x60, r4, 0x2, 0xfffffff9, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4891}, 0x0) [ 2322.259305] nbd: must specify at least one socket [ 2322.264747] nbd: must specify at least one socket 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB="22000000bfa2c28d696b6e7441b39977db4704ae8cc5a2320918e4acf4510492ce4b3d7304d1a78b5c64ed817b25da483753ed8151", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) 23:41:39 executing program 3: clock_gettime(0x1, &(0x7f0000000080)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) clock_gettime(0x1, &(0x7f0000000080)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 23:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000500)=ANY=[@ANYBLOB="a0d3117c7200a23b5b5c00816aa3", @ANYRES16=0x0, @ANYBLOB="20002abd7000fcdbdf250400000008000500ac1414bb2700070073797374656d5f753a6f626a6563745f723a6e756c6c5f6465766963655f743a7330000014000200fc00000000000000000000000000000108000400ac14140e1400060073797a5f74756e0000000000000000002b00070073797374656d5f753a6f626a6563745f723a7379736c6f67645f7661725f72756e5f743a73300000"], 0xa0}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x40, 0x0, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff80000000}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, r3, 0x0, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:pam_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x80}}, 0x84) (async) openat$ppp(0xffffffffffffff9c, &(0x7f0000000200), 0x100, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0116d20600000000000001"], 0x20}}, 0x0) 23:41:39 executing program 5: clock_gettime(0x1, &(0x7f0000000080)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syzkaller1\x00'}]}, 0x30}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x28, r1, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x28}, 0x1, 0x0, 0x0, 0xc1}, 0x240040c1) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) [ 2322.369181] nbd: must specify at least one socket [ 2322.379771] nbd: must specify at least one socket 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) setsockopt$RDS_RECVERR(0xffffffffffffffff, 0x114, 0x5, &(0x7f00000000c0)=0x1, 0x4) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x60, r4, 0x2, 0xfffffff9, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4891}, 0x0) 23:41:39 executing program 3: clock_gettime(0x1, &(0x7f0000000080)) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000500)=ANY=[@ANYBLOB="a0d3117c7200a23b5b5c00816aa3", @ANYRES16=0x0, @ANYBLOB="20002abd7000fcdbdf250400000008000500ac1414bb2700070073797374656d5f753a6f626a6563745f723a6e756c6c5f6465766963655f743a7330000014000200fc00000000000000000000000000000108000400ac14140e1400060073797a5f74756e0000000000000000002b00070073797374656d5f753a6f626a6563745f723a7379736c6f67645f7661725f72756e5f743a73300000"], 0xa0}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x40, 0x0, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff80000000}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x80, r3, 0x0, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:pam_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'hsr0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x80}}, 0x84) openat$ppp(0xffffffffffffff9c, &(0x7f0000000200), 0x100, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) setsockopt$RDS_RECVERR(0xffffffffffffffff, 0x114, 0x5, &(0x7f00000000c0)=0x1, 0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x60, r4, 0x2, 0xfffffff9, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4891}, 0x0) 23:41:39 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r3, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '*/]\\-[+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe11c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="226cd4a12b2074b69930e7945707a3000000", @ANYRES16=r4, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2322.469775] nbd: must specify at least one socket 23:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x40}}, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) setsockopt$RDS_RECVERR(0xffffffffffffffff, 0x114, 0x5, &(0x7f00000000c0)=0x1, 0x4) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x60, r4, 0x2, 0xfffffff9, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x4891}, 0x0) 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) ioctl$RNDCLEARPOOL(r4, 0x5206, &(0x7f0000000340)=0x40000) [ 2322.524643] nbd: must specify at least one socket [ 2322.540265] nbd: must specify at least one socket 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYRES32=r1, @ANYRES16=r2, @ANYRES16=r1], 0x14}}, 0x0) 23:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r3, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '*/]\\-[+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe11c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="226cd4a12b2074b69930e7945707a3000000", @ANYRES16=r4, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000533a900000000000000003330a16", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x40}}, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 2322.637060] nbd: must specify at least one socket [ 2322.649060] nbd: must specify a size in bytes for the device 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) ioctl$RNDCLEARPOOL(r4, 0x5206, &(0x7f0000000340)=0x40000) 23:41:39 executing program 2: 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$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYRES32=r1, @ANYRES16=r2, @ANYRES16=r1], 0x14}}, 0x0) 23:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000b576559edddd1311adbdb0c1f7188ccc3943550043fe20e0aa1f0ef2fd93ff7d3ff1aeabde78442aee89e719b251874e6a238eea9806678667fb20868ca9deb1f3e2dfe90eec86449d32408cae9d1023d5a13e7781baf3366bea32dd62e69dd8497b5cfa763296c0c5f6722f9e8199af6e9a31e2df8f953effedcd6994567a07635a3860abcef52ddf15d04f9b22628b840fae10907e8084b0b24e09e2b4b48620cbc3d856c4b2a9b25530c69bda288c92", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000200)={0x8c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3c}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dvmrp0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x40}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8011}, 0x800) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x1, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x20000084}, 0x20000800) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000533a900000000000000003330a16", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r3, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '*/]\\-[+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe11c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x8000) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="226cd4a12b2074b69930e7945707a3000000", @ANYRES16=r4, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000533a900000000000000003330a16", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000533a900000000000000003330a16", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:39 executing program 1: r0 = syz_init_net_socket$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) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000b576559edddd1311adbdb0c1f7188ccc3943550043fe20e0aa1f0ef2fd93ff7d3ff1aeabde78442aee89e719b251874e6a238eea9806678667fb20868ca9deb1f3e2dfe90eec86449d32408cae9d1023d5a13e7781baf3366bea32dd62e69dd8497b5cfa763296c0c5f6722f9e8199af6e9a31e2df8f953effedcd6994567a07635a3860abcef52ddf15d04f9b22628b840fae10907e8084b0b24e09e2b4b48620cbc3d856c4b2a9b25530c69bda288c92", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000200)={0x8c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3c}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dvmrp0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x40}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8011}, 0x800) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x1, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x20000084}, 0x20000800) 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYRES32=r1, @ANYRES16=r2, @ANYRES16=r1], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYRES32=r1, @ANYRES16=r2, @ANYRES16=r1], 0x14}}, 0x0) (async) 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) ioctl$RNDCLEARPOOL(r4, 0x5206, &(0x7f0000000340)=0x40000) 23:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x40, r3, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x126}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x40}}, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 2322.819005] nbd: must specify a size in bytes for the device [ 2322.848478] nbd: must specify at least one socket 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x2c, r1, 0x300, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xec}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x2c}}, 0x840) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000810}, 0x4) 23:41:39 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000b576559edddd1311adbdb0c1f7188ccc3943550043fe20e0aa1f0ef2fd93ff7d3ff1aeabde78442aee89e719b251874e6a238eea9806678667fb20868ca9deb1f3e2dfe90eec86449d32408cae9d1023d5a13e7781baf3366bea32dd62e69dd8497b5cfa763296c0c5f6722f9e8199af6e9a31e2df8f953effedcd6994567a07635a3860abcef52ddf15d04f9b22628b840fae10907e8084b0b24e09e2b4b48620cbc3d856c4b2a9b25530c69bda288c92", @ANYRES16=0x0, @ANYBLOB="0100000000000000000003000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000200)={0x8c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3c}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dvmrp0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x40}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8011}, 0x800) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x1, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x20000084}, 0x20000800) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x1, 0x70bd26}, 0x14}, 0x1, 0x0, 0x0, 0x20000084}, 0x20000800) 23:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x2c, r1, 0x300, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xec}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x2c}}, 0x840) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000810}, 0x4) syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x2c, r1, 0x300, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xec}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x2c}}, 0x840) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000810}, 0x4) (async) 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007", @ANYRESHEX=r3, @ANYRESHEX=r2, @ANYRES32=r4, @ANYBLOB="aa9800a014212ebf80307b27fb3b0dd0ea9bac308e9c683662251ce440f39b5333af60b5591eccc380b66254a875a427aa19e0de47808cb714bf280e5b0b43f01c4f59182a32967442ebc62ae3847dbb4c166750a2961a7c05388da5c26e66a14de55b7ceef0787b1006016c56c7534b2caf4d1bb857c6f0dbe68a5f5a2fe0661e45f1ca6dd0fe8d9a50b5c2886a41d32de6bfcea8d3b336d6c10beae369041b79687dcf56c4c84b8554e24b7ec38f8155a3a19e96645a2f15e2358eca4fce39862df79dc4b7448e3dcdcba301d0a9e5867032bee67c2e68d69d", @ANYRES32=r4, @ANYRES64=r4], 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r6) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r8, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r9, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r9, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x1c, r1, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4040080) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)={0x44, r8, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x18}}]}, 0x44}}, 0x4008001) 23:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000d419e92dc111c44d02c5b9381af11e4f9b30ab42f32500000077e1582996fa76fa840ef7d9eb34bc3662d2e260560ac5af3c7daeaf8e0975134f2fe8496179297b11af290e2417bfa0ad7f41b5eb7486d85fa91fd6769c4115e4c35be1fb01cafe2feb55693f50dcd6904b6dae67a0e53f14b67bce8cba4f431d146317ffc143f4c0e8ecc07844b1a3fd6ebb5399d077548eee432231c25bdf233f783f932d313bd5527a7e8f3a6526fbb4dff781ca1d44c8afa48772b43e42ab952eb9faa79c4522c8cda2b2129be4593c69"], 0x14}}, 0x0) 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000031}, 0x4000020) [ 2322.988363] nbd: must specify at least one socket [ 2322.999055] nbd: must specify a size in bytes for the device 23:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 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$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x2, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}]}, 0x1c}}, 0x5) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000030000002900070073797374656d5f753a6f626a6563745f723a69707461626c657300006547665f743a090000000000"], 0x40}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:netcontrol_device_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000010}, 0x44010) 23:41:39 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x2c, r1, 0x300, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xec}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x2c}}, 0x840) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000810}, 0x4) syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x2c, r1, 0x300, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xec}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x2c}}, 0x840) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000810}, 0x4) (async) [ 2323.063558] nbd: must specify at least one socket 23:41:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000d419e92dc111c44d02c5b9381af11e4f9b30ab42f32500000077e1582996fa76fa840ef7d9eb34bc3662d2e260560ac5af3c7daeaf8e0975134f2fe8496179297b11af290e2417bfa0ad7f41b5eb7486d85fa91fd6769c4115e4c35be1fb01cafe2feb55693f50dcd6904b6dae67a0e53f14b67bce8cba4f431d146317ffc143f4c0e8ecc07844b1a3fd6ebb5399d077548eee432231c25bdf233f783f932d313bd5527a7e8f3a6526fbb4dff781ca1d44c8afa48772b43e42ab952eb9faa79c4522c8cda2b2129be4593c69"], 0x14}}, 0x0) 23:41:39 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007", @ANYRESHEX=r3, @ANYRESHEX=r2, @ANYRES32=r4, @ANYBLOB="aa9800a014212ebf80307b27fb3b0dd0ea9bac308e9c683662251ce440f39b5333af60b5591eccc380b66254a875a427aa19e0de47808cb714bf280e5b0b43f01c4f59182a32967442ebc62ae3847dbb4c166750a2961a7c05388da5c26e66a14de55b7ceef0787b1006016c56c7534b2caf4d1bb857c6f0dbe68a5f5a2fe0661e45f1ca6dd0fe8d9a50b5c2886a41d32de6bfcea8d3b336d6c10beae369041b79687dcf56c4c84b8554e24b7ec38f8155a3a19e96645a2f15e2358eca4fce39862df79dc4b7448e3dcdcba301d0a9e5867032bee67c2e68d69d", @ANYRES32=r4, @ANYRES64=r4], 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r6) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r8, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r9, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r9, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x1c, r1, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4040080) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)={0x44, r8, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x18}}]}, 0x44}}, 0x4008001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007", @ANYRESHEX=r3, @ANYRESHEX=r2, @ANYRES32=r4, @ANYBLOB="aa9800a014212ebf80307b27fb3b0dd0ea9bac308e9c683662251ce440f39b5333af60b5591eccc380b66254a875a427aa19e0de47808cb714bf280e5b0b43f01c4f59182a32967442ebc62ae3847dbb4c166750a2961a7c05388da5c26e66a14de55b7ceef0787b1006016c56c7534b2caf4d1bb857c6f0dbe68a5f5a2fe0661e45f1ca6dd0fe8d9a50b5c2886a41d32de6bfcea8d3b336d6c10beae369041b79687dcf56c4c84b8554e24b7ec38f8155a3a19e96645a2f15e2358eca4fce39862df79dc4b7448e3dcdcba301d0a9e5867032bee67c2e68d69d", @ANYRES32=r4, @ANYRES64=r4], 0x14}}, 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$netlbl_unlabel(&(0x7f0000000480), r6) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r8, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r9, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r9, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x1c, r1, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4040080) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)={0x44, r8, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x18}}]}, 0x44}}, 0x4008001) (async) 23:41:39 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2323.089445] nbd: must specify at least one socket 23:41:39 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x2, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}]}, 0x1c}}, 0x5) (async) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async, rerun: 64) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000030000002900070073797374656d5f753a6f626a6563745f723a69707461626c657300006547665f743a090000000000"], 0x40}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:netcontrol_device_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000010}, 0x44010) 23:41:39 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r11, 0x2, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2a}]}, 0x38}}, 0xa4) [ 2323.121716] nbd: must specify a size in bytes for the device 23:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) r3 = geteuid() syz_mount_image$fuse(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x100000, &(0x7f0000000580)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r2, @ANYBLOB=',rootmode=00000000000000000140000,user_id=', @ANYRESDEC=0xee01, @ANYBLOB=',group_id=', @ANYRESDEC, @ANYBLOB="2c626c6b73697a653d3078303030303030303030303030303430302c6d61785f726561643d3078303030303030303030303030303436642c64656661756c745f7065726d697373696f6e732c64656661756c745f7065726d697373696f6e73a0fc2c6d61785f726561643d3078303030303030303030303030303030382c616c6c6f775f6f746865722c64656661756c745f7065726d697373696f6e732c6d61785f726561643d3078303030303030303030303030303030312c64656661756c745f7065726d697373696f6e732c616c6c6f775f6f746865722c657569643c", @ANYRESDEC=r3, @ANYBLOB="0000c6688c2e0305fe1837f1f1e601000010440bd3053f7d02a491f184a9138fd50bab2b357a68b3a1ab5ca3eeaf94a8c34ff2ae03daec848724f7a2bf"], 0x0, 0x0, &(0x7f00000003c0)="a7d45c545e36a21f") r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) sendmsg$SOCK_DESTROY(r5, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000002300)={0x3248, 0x15, 0x100, 0x70bd27, 0x25dfdbfd, {0x2b, 0x16}, [@INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x73, 0x1, "6b6f76e02e22c1c1d768400fdd658e6f3ae1ec5417bbc5daa4341375f440599187bf9c7675a48988f2216eeab227e06149f1457497faa2a9f317b8093b8e8f34de8526e3cfdfaaafabb97065f923e9d927eccb49b2efb4a67694cc55814778b94ad8ad197b3d9f0ed8437472e0e6dd"}, @INET_DIAG_REQ_BYTECODE={0x1f, 0x1, "d2fca4d06941527d551c902164dca81c81823db3bc7b6719ffbefc"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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@INET_DIAG_REQ_BYTECODE={0xd, 0x1, "741969d97190aa1405"}, @INET_DIAG_REQ_BYTECODE={0xca, 0x1, "f1f6cb3c8831ec255732f83c9a817d25ae893c49a00f69c39d6ad51e9dcedb84a1ac3fadfb881413ef42abcb78658ad1a48281471b25cff776799709b4c6676c5b318c19ddf6ea06520923f894ae8f7b6080c887eb5efc09048f3f0f2f3ab27ea914e147d91cdcfb01aa5a96f09781c9d79f1c401337de08c6dab58478bd0c6276f363ed8367e92509eefaf45096bc1e46cacc123c805054b4f114f78052d8e0a1b21aea794ab8dbfc10b9e1c935274385eedb81a6f52e8f7e7d3cf1364976fbf483a0d7ad62"}, @INET_DIAG_REQ_BYTECODE={0x20, 0x1, "a5d64914020849b8888124334341c853419ca2a728a09f6214eeddd2"}, @INET_DIAG_REQ_BYTECODE={0x97, 0x1, "c98442d1bab196648203a7485796405ef9ee3400b3609ea01a71496a83fffea999467480bad184f6829924f481e8cc2abdd8f3b63ebfdfd21006d71112afe75b61fafbf966c8fe6ad53f725de4c1830155e208f8ae924a5a23b4432121911b0be994a60da53c9d42197f02106441206ba0322c185a7bfad62a1727c9a48463ee8b145999d793a2afdfdd38c39d2d5ae6d61c43"}]}, 0x3248}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) getitimer(0x0, &(0x7f0000000180)) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @remote}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x8040) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x840) [ 2323.201684] nbd: must specify at least one socket 23:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000d419e92dc111c44d02c5b9381af11e4f9b30ab42f32500000077e1582996fa76fa840ef7d9eb34bc3662d2e260560ac5af3c7daeaf8e0975134f2fe8496179297b11af290e2417bfa0ad7f41b5eb7486d85fa91fd6769c4115e4c35be1fb01cafe2feb55693f50dcd6904b6dae67a0e53f14b67bce8cba4f431d146317ffc143f4c0e8ecc07844b1a3fd6ebb5399d077548eee432231c25bdf233f783f932d313bd5527a7e8f3a6526fbb4dff781ca1d44c8afa48772b43e42ab952eb9faa79c4522c8cda2b2129be4593c69"], 0x14}}, 0x0) syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000d419e92dc111c44d02c5b9381af11e4f9b30ab42f32500000077e1582996fa76fa840ef7d9eb34bc3662d2e260560ac5af3c7daeaf8e0975134f2fe8496179297b11af290e2417bfa0ad7f41b5eb7486d85fa91fd6769c4115e4c35be1fb01cafe2feb55693f50dcd6904b6dae67a0e53f14b67bce8cba4f431d146317ffc143f4c0e8ecc07844b1a3fd6ebb5399d077548eee432231c25bdf233f783f932d313bd5527a7e8f3a6526fbb4dff781ca1d44c8afa48772b43e42ab952eb9faa79c4522c8cda2b2129be4593c69"], 0x14}}, 0x0) (async) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007", @ANYRESHEX=r3, @ANYRESHEX=r2, @ANYRES32=r4, @ANYBLOB="aa9800a014212ebf80307b27fb3b0dd0ea9bac308e9c683662251ce440f39b5333af60b5591eccc380b66254a875a427aa19e0de47808cb714bf280e5b0b43f01c4f59182a32967442ebc62ae3847dbb4c166750a2961a7c05388da5c26e66a14de55b7ceef0787b1006016c56c7534b2caf4d1bb857c6f0dbe68a5f5a2fe0661e45f1ca6dd0fe8d9a50b5c2886a41d32de6bfcea8d3b336d6c10beae369041b79687dcf56c4c84b8554e24b7ec38f8155a3a19e96645a2f15e2358eca4fce39862df79dc4b7448e3dcdcba301d0a9e5867032bee67c2e68d69d", @ANYRES32=r4, @ANYRES64=r4], 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r6) (async) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r6) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r8, 0x800, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r9, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r9, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x1c, r1, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4040080) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r9, &(0x7f0000000600)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000005c0)={&(0x7f0000000500)={0x1c, r1, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4040080) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r8, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)={0x44, r8, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x18}}]}, 0x44}}, 0x4008001) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000040)={0x44, r8, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x18}}]}, 0x44}}, 0x4008001) [ 2323.226907] nbd: must specify at least one socket 23:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) sendmsg$NBD_CMD_DISCONNECT(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r11, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 2323.254479] nbd: must specify a size in bytes for the device 23:41:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 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$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x2, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}]}, 0x1c}}, 0x5) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000030000002900070073797374656d5f753a6f626a6563745f723a69707461626c657300006547665f743a090000000000"], 0x40}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:netcontrol_device_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000010}, 0x44010) syz_init_net_socket$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$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x2, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}]}, 0x1c}}, 0x5) (async) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000030000002900070073797374656d5f753a6f626a6563745f723a69707461626c657300006547665f743a090000000000"], 0x40}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:netcontrol_device_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000010}, 0x44010) (async) 23:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xb0, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000000) 23:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async) r3 = geteuid() syz_mount_image$fuse(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x100000, &(0x7f0000000580)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r2, @ANYBLOB=',rootmode=00000000000000000140000,user_id=', @ANYRESDEC=0xee01, @ANYBLOB=',group_id=', @ANYRESDEC, @ANYBLOB="2c626c6b73697a653d3078303030303030303030303030303430302c6d61785f726561643d3078303030303030303030303030303436642c64656661756c745f7065726d697373696f6e732c64656661756c745f7065726d697373696f6e73a0fc2c6d61785f726561643d3078303030303030303030303030303030382c616c6c6f775f6f746865722c64656661756c745f7065726d697373696f6e732c6d61785f726561643d3078303030303030303030303030303030312c64656661756c745f7065726d697373696f6e732c616c6c6f775f6f746865722c657569643c", @ANYRESDEC=r3, @ANYBLOB="0000c6688c2e0305fe1837f1f1e601000010440bd3053f7d02a491f184a9138fd50bab2b357a68b3a1ab5ca3eeaf94a8c34ff2ae03daec848724f7a2bf"], 0x0, 0x0, &(0x7f00000003c0)="a7d45c545e36a21f") (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) sendmsg$SOCK_DESTROY(r5, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000002300)={0x3248, 0x15, 0x100, 0x70bd27, 0x25dfdbfd, {0x2b, 0x16}, [@INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x73, 0x1, "6b6f76e02e22c1c1d768400fdd658e6f3ae1ec5417bbc5daa4341375f440599187bf9c7675a48988f2216eeab227e06149f1457497faa2a9f317b8093b8e8f34de8526e3cfdfaaafabb97065f923e9d927eccb49b2efb4a67694cc55814778b94ad8ad197b3d9f0ed8437472e0e6dd"}, @INET_DIAG_REQ_BYTECODE={0x1f, 0x1, "d2fca4d06941527d551c902164dca81c81823db3bc7b6719ffbefc"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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@INET_DIAG_REQ_BYTECODE={0xd, 0x1, "741969d97190aa1405"}, @INET_DIAG_REQ_BYTECODE={0xca, 0x1, "f1f6cb3c8831ec255732f83c9a817d25ae893c49a00f69c39d6ad51e9dcedb84a1ac3fadfb881413ef42abcb78658ad1a48281471b25cff776799709b4c6676c5b318c19ddf6ea06520923f894ae8f7b6080c887eb5efc09048f3f0f2f3ab27ea914e147d91cdcfb01aa5a96f09781c9d79f1c401337de08c6dab58478bd0c6276f363ed8367e92509eefaf45096bc1e46cacc123c805054b4f114f78052d8e0a1b21aea794ab8dbfc10b9e1c935274385eedb81a6f52e8f7e7d3cf1364976fbf483a0d7ad62"}, @INET_DIAG_REQ_BYTECODE={0x20, 0x1, "a5d64914020849b8888124334341c853419ca2a728a09f6214eeddd2"}, @INET_DIAG_REQ_BYTECODE={0x97, 0x1, "c98442d1bab196648203a7485796405ef9ee3400b3609ea01a71496a83fffea999467480bad184f6829924f481e8cc2abdd8f3b63ebfdfd21006d71112afe75b61fafbf966c8fe6ad53f725de4c1830155e208f8ae924a5a23b4432121911b0be994a60da53c9d42197f02106441206ba0322c185a7bfad62a1727c9a48463ee8b145999d793a2afdfdd38c39d2d5ae6d61c43"}]}, 0x3248}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) getitimer(0x0, &(0x7f0000000180)) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @remote}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x8040) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x840) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) [ 2323.348605] nbd: must specify at least one socket [ 2323.359990] nbd: must specify at least one socket [ 2323.366296] nbd: must specify at least one socket [ 2323.388634] nbd: must specify at least one socket 23:41:40 executing program 3: r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x200200) read$char_usb(r0, &(0x7f0000000080)=""/167, 0xa7) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100090000000000000001000000"], 0x14}}, 0x0) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:40 executing program 1: syz_open_dev$MSR(&(0x7f0000000000), 0x653, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xb0, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000000) 23:41:40 executing program 3: openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x200200) (async) r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x200200) read$char_usb(r0, &(0x7f0000000080)=""/167, 0xa7) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100090000000000000001000000"], 0x14}}, 0x0) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000fdffffff00000007"], 0x14}}, 0x0) 23:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r9) 23:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) r3 = geteuid() syz_mount_image$fuse(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x100000, &(0x7f0000000580)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r2, @ANYBLOB=',rootmode=00000000000000000140000,user_id=', @ANYRESDEC=0xee01, @ANYBLOB=',group_id=', @ANYRESDEC, @ANYBLOB="2c626c6b73697a653d3078303030303030303030303030303430302c6d61785f726561643d3078303030303030303030303030303436642c64656661756c745f7065726d697373696f6e732c64656661756c745f7065726d697373696f6e73a0fc2c6d61785f726561643d3078303030303030303030303030303030382c616c6c6f775f6f746865722c64656661756c745f7065726d697373696f6e732c6d61785f726561643d3078303030303030303030303030303030312c64656661756c745f7065726d697373696f6e732c616c6c6f775f6f746865722c657569643c", @ANYRESDEC=r3, @ANYBLOB="0000c6688c2e0305fe1837f1f1e601000010440bd3053f7d02a491f184a9138fd50bab2b357a68b3a1ab5ca3eeaf94a8c34ff2ae03daec848724f7a2bf"], 0x0, 0x0, &(0x7f00000003c0)="a7d45c545e36a21f") r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) sendmsg$SOCK_DESTROY(r5, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000002300)={0x3248, 0x15, 0x100, 0x70bd27, 0x25dfdbfd, {0x2b, 0x16}, [@INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x73, 0x1, "6b6f76e02e22c1c1d768400fdd658e6f3ae1ec5417bbc5daa4341375f440599187bf9c7675a48988f2216eeab227e06149f1457497faa2a9f317b8093b8e8f34de8526e3cfdfaaafabb97065f923e9d927eccb49b2efb4a67694cc55814778b94ad8ad197b3d9f0ed8437472e0e6dd"}, @INET_DIAG_REQ_BYTECODE={0x1f, 0x1, "d2fca4d06941527d551c902164dca81c81823db3bc7b6719ffbefc"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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"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@INET_DIAG_REQ_BYTECODE={0xd, 0x1, "741969d97190aa1405"}, @INET_DIAG_REQ_BYTECODE={0xca, 0x1, "f1f6cb3c8831ec255732f83c9a817d25ae893c49a00f69c39d6ad51e9dcedb84a1ac3fadfb881413ef42abcb78658ad1a48281471b25cff776799709b4c6676c5b318c19ddf6ea06520923f894ae8f7b6080c887eb5efc09048f3f0f2f3ab27ea914e147d91cdcfb01aa5a96f09781c9d79f1c401337de08c6dab58478bd0c6276f363ed8367e92509eefaf45096bc1e46cacc123c805054b4f114f78052d8e0a1b21aea794ab8dbfc10b9e1c935274385eedb81a6f52e8f7e7d3cf1364976fbf483a0d7ad62"}, @INET_DIAG_REQ_BYTECODE={0x20, 0x1, "a5d64914020849b8888124334341c853419ca2a728a09f6214eeddd2"}, @INET_DIAG_REQ_BYTECODE={0x97, 0x1, "c98442d1bab196648203a7485796405ef9ee3400b3609ea01a71496a83fffea999467480bad184f6829924f481e8cc2abdd8f3b63ebfdfd21006d71112afe75b61fafbf966c8fe6ad53f725de4c1830155e208f8ae924a5a23b4432121911b0be994a60da53c9d42197f02106441206ba0322c185a7bfad62a1727c9a48463ee8b145999d793a2afdfdd38c39d2d5ae6d61c43"}]}, 0x3248}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) getitimer(0x0, &(0x7f0000000180)) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @remote}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x8040) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x840) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async) geteuid() (async) syz_mount_image$fuse(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x100000, &(0x7f0000000580)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r2, @ANYBLOB=',rootmode=00000000000000000140000,user_id=', @ANYRESDEC=0xee01, @ANYBLOB=',group_id=', @ANYRESDEC, @ANYBLOB="2c626c6b73697a653d3078303030303030303030303030303430302c6d61785f726561643d3078303030303030303030303030303436642c64656661756c745f7065726d697373696f6e732c64656661756c745f7065726d697373696f6e73a0fc2c6d61785f726561643d3078303030303030303030303030303030382c616c6c6f775f6f746865722c64656661756c745f7065726d697373696f6e732c6d61785f726561643d3078303030303030303030303030303030312c64656661756c745f7065726d697373696f6e732c616c6c6f775f6f746865722c657569643c", @ANYRESDEC=r3, @ANYBLOB="0000c6688c2e0305fe1837f1f1e601000010440bd3053f7d02a491f184a9138fd50bab2b357a68b3a1ab5ca3eeaf94a8c34ff2ae03daec848724f7a2bf"], 0x0, 0x0, &(0x7f00000003c0)="a7d45c545e36a21f") (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) sendmsg$SOCK_DESTROY(r5, &(0x7f0000000300)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000002300)={0x3248, 0x15, 0x100, 0x70bd27, 0x25dfdbfd, {0x2b, 0x16}, [@INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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@INET_DIAG_REQ_BYTECODE={0x73, 0x1, "6b6f76e02e22c1c1d768400fdd658e6f3ae1ec5417bbc5daa4341375f440599187bf9c7675a48988f2216eeab227e06149f1457497faa2a9f317b8093b8e8f34de8526e3cfdfaaafabb97065f923e9d927eccb49b2efb4a67694cc55814778b94ad8ad197b3d9f0ed8437472e0e6dd"}, @INET_DIAG_REQ_BYTECODE={0x1f, 0x1, "d2fca4d06941527d551c902164dca81c81823db3bc7b6719ffbefc"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, 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"e9488c92803efb07b9db88f57eac7c2df2afb7e9f28332f1deac265bd786457d6103d997a64db6c19a87d6fef86a06bd90ead8995fe1f9e6eb249603901a09be96ded4d959bb0d282c78da19b9b8f0c4e1e0df2bab375c120d6389a583fc518d173b17502b79b3304ddcaa31b2d66e10bda490a029dc6a211e25bc2f6803d80dfeab955b874491d967d2b76cdd4a78f5db7a8d862a1361947544af2cbaf64c7b02726e884599de519375f33a2853464156c8edf6da297debfd4496714036119f70723becbdfbe554826797600f892cd01b342fa709852bf3d31a22197815dd542aedca90e725a85a1b489fe4d13af961ab30778f2441badeae6116401a5a7a056a68c75b606ffebb58349847f2d67a87d3b28cc2e1ea07433344627d8e2a0e7f826234622c20b3f6d0baa1b799d13534b14d7efa85920cff5c357682ed5193887d32327a0019b1a129ef41850a42dea4b5a7c75fddf09db48f55fbdb90568df94ab4b6d97292a08b13aedea0917567fd1d2a6e199b6c56675631609e1b015368e103803909b3661fdf639e9277c9c687846818f10948ada0c7802ee577d5f3f28df45489e47afd70e60af38f0524cbb070ab515c38f78ee1d3f54518d19188ab1a1cde089c744ec6542c08295d83d4eb171dc8451025514904c4af41f90fa9acac3ffc2bbc4708cdf81985e83016e5ba67ba03f97863d544b17c8f149f06361745f15f4e0c489c2c50bfd959ee0c721947e8535724c4a9e11a93f2aef3972075205f1368739edb8384770b65aa665f7c15e8a7dfa2048e7112864c11ce353b6101234408cb312e66b078584568aebfd197685b32bf9e1ff38a91ae955490c8c8ed413a479dd8f85790184a79880d8380a9019ea85ca5847f38390ab526d7f2c900f7c11566512ef1ef2c2f580922bee452b99cdf1a0299514475662ead80885d66584171ac1771d918a199e89d689ad5d26d2000c1408d0bd370af768c56b2e3eb87fc7dd5ec28dbbe7d26f8ee3fa2454faabd08e507966dec105b712c3591d397ac79508aa1feb81bbc318c8c710584263ac5273e1edc7e11a8463fdf7c91e72cd643499257b568baa5b7b767e5478ce032e839778a339a70e7301a90fface28c82d411530a192b48b2f402371f673caa4f061ced9f91ae9da691837a87bb8a6ae0788f044a5fa9b9b26b1d4bc897e69179b3694a8510ddc7c6b872a0e3b42a3a5fc4bca2be59782723d8a06bcf189c7a79041b31a51c2b9bf295d8a3978c06e3de63cac9109b553ad9f1a3875b0ba3177ff147a873508b2765af1caa9caa3b1685349df9cba3c34185fa71708c253e052db81f624acb012f137d2a3e2a62e48a8946939362cca0bab21041ecf353cf0d5aa097ea2c547e0d1e1c42f942a88449d0e3c6bb4c2675d18aa3d33af3bc153caf9d82993842c6384aa1a961806392797bc3aaa13b8ec38904384b64aa2d01927e337b412138885effbd8949f09161a9bf3a84aec65188c779108d9d64ebc30055c8e436a4531df0f8f3ed12e1cc147ba67ac364f66d8ac8238fc199604123446ddaf0f2da8f102648c60a2381dfdcd8f0c7c0b1e7b2609ca01fa67f12fdfc128eb6e9804c9f740c1ad1cb378c4538fb8ee278b90c29a0a3a6583f3f0313a2ee8abd06cf5781aedb86eac0d9c2bc0dc75c87bc78d7d900037fab17cb696e42a472b7f43b19bf2e54ef1a4f013955127f3f7555f85ba15c197a8d0538c1ab0ce62832a33918e104dac4673718dfbd54c6cf6f07e9191d43aa3d762664b826fb3de6b0fec8549d6aea38b85153c351226e7e214a990b125a67d2323e12fc553600997b85ea2f466234387bc4a2168e18898ffc086869fdf60684f8abc9ec35e00c66c7208b44343d9822ea3dc32f37837079a55386345c6fda2184805e1765f24e41cdb9e140757e320e626f3e2b476efa87b66d48a84349b5dd002df06b0ec00ec02a3f4ae5812247cdbaafa62cf58a7ee79f0af39a77e826001d09eb9fc8ef8801abd0184bbbc747342ad3c6fb8d7d826619c2512e013b6046a4368870a94e877ac5d24288b4a0c7bbf24bfb8094a9a1682e5ab29591e6522c90861e1ad5d08c845aa6fb14873d4eaf53319cc4c88eea4af3fbb3d46d1bddcb67ee922482d4d3b816177a3aa444a9595a20c30ff43c807284a9c96c18dff0e5a929de78015650269d8494650c416ee5fc706975e0e0bf462d0fe7b7cf0015447967b8f5e69b722a26e735bce70a1523c7f2ed71707fb0f02c826cb2b905c73cf525307f4474330dfb3f8bc8fa95b97bcbe600c2aadf6e12ec6ff57004fe836a5ac6196b2ddaed2d03f88e8030a1497266491d81cdb77f4945d8059c6d489b585b581492eff5df47ccd5ae47b867e01aee2feab7b4449602c50fc785d583ead7f5c333081fd2eb5c570c9ce03f27842650c8b7674d813f4f3b77b9f4e95041e662725ef97da7385851afa651099e0123f8c8126352d05f6efd14b324b52ae3a6ee9334b067b619a850c253358248a2c88b40b14f314a305b758fee533aa7c45571268a315199af3866c0c2899a6dcf0a34ab62338b8195c57c95df36c126bbfbea34321581c608f1ea6627c9bbaac57c7c9146754aad6ae2311000530092478c492bab136cae6661eef4d70a1da43d808d49e882a2b3f25558954a9d236267ecb9dee256f9aa79ea97d69e3cd33837fe2ffcdda783b669e9366c618b773726421e2f355361d91d466ad11c39d9066b86951e884c15606f849a530a0bb69289649a4c4750aa038664bca6503d0308914c4634ef7a761959a2ca9fb4df2af50584534134c6275b42698e865d3a17311efc96089f5383fb8ed76245491d3a309f1e2ce468db52dad20a3f155f6febfd5f0e79b58ec22ee91d326aa2f15570e38f47fe13b15a9eb9c5f52db718a3f40163b7a06da61fdbf301dd921856546fec9a5f9052c538041705f06c77aa66730fd50f2c87f9faa36b11fbed9d3b94e499762c6b0eb6c9491e6581f9ac4aa498aaeca2ad0c3b9f50ed20ea0ab860f0e90d89e7a96bc2e9d8f2d98fd9edfa56df9148645d2353c336b9f1a6f97f8e6e3ce87db066e7f1c343f6e090d06b2848968d5aed340ba1a6d212ca49c9d683d63fa14361abc69dccc0486e6bc3251c05a0700d554b9b0ff12f181572d3b116543c8772ec135f9f1c5463465d9a5820e58174676cce71c2017da7a587419422cb82b3897955aa9b8f4962435aad118c01851a4b8d4e179b1d1fe9dd971a079a35f2d5d454d1adbdad941946753f0782317df409e010b67bfedcdd08006de6ac01f335e8c52afe6624c6134b538d386a5ff371109228a3b5180963860305209b5f9157b6c3a2613861b1bc1461be41d2bddc8761026d1d5ee8147a79db10e8ff854c5cff5dc8383e8d38ff2587abcd41fb5db817bd920c9f4e6b6eb85525b923bb7d9b8d33998f38d48a3eabdb0c204849190265f942ad5c3c70aed812a0d1be29dade19a419e01f0e543973b83ea1e1a17a7c21d0ab9349407fb29dc6000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@INET_DIAG_REQ_BYTECODE={0xd, 0x1, "741969d97190aa1405"}, @INET_DIAG_REQ_BYTECODE={0xca, 0x1, "f1f6cb3c8831ec255732f83c9a817d25ae893c49a00f69c39d6ad51e9dcedb84a1ac3fadfb881413ef42abcb78658ad1a48281471b25cff776799709b4c6676c5b318c19ddf6ea06520923f894ae8f7b6080c887eb5efc09048f3f0f2f3ab27ea914e147d91cdcfb01aa5a96f09781c9d79f1c401337de08c6dab58478bd0c6276f363ed8367e92509eefaf45096bc1e46cacc123c805054b4f114f78052d8e0a1b21aea794ab8dbfc10b9e1c935274385eedb81a6f52e8f7e7d3cf1364976fbf483a0d7ad62"}, @INET_DIAG_REQ_BYTECODE={0x20, 0x1, "a5d64914020849b8888124334341c853419ca2a728a09f6214eeddd2"}, @INET_DIAG_REQ_BYTECODE={0x97, 0x1, "c98442d1bab196648203a7485796405ef9ee3400b3609ea01a71496a83fffea999467480bad184f6829924f481e8cc2abdd8f3b63ebfdfd21006d71112afe75b61fafbf966c8fe6ad53f725de4c1830155e208f8ae924a5a23b4432121911b0be994a60da53c9d42197f02106441206ba0322c185a7bfad62a1727c9a48463ee8b145999d793a2afdfdd38c39d2d5ae6d61c43"}]}, 0x3248}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) getitimer(0x0, &(0x7f0000000180)) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @remote}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x8040) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x840) (async) [ 2323.532986] nbd: must specify at least one socket [ 2323.544145] nbd: must specify a size in bytes for the device [ 2323.567681] nbd: must specify at least one socket 23:41:40 executing program 3: r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x200200) read$char_usb(r0, &(0x7f0000000080)=""/167, 0xa7) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100090000000000000001000000"], 0x14}}, 0x0) 23:41:40 executing program 1: syz_open_dev$MSR(&(0x7f0000000000), 0x653, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) syz_open_dev$MSR(&(0x7f0000000000), 0x653, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) (async) 23:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2323.635218] nbd: must specify a size in bytes for the device 23:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c0004000300000000000000a9d87a68069a62596e4a6a2a05c0"], 0x20}}, 0x0) [ 2323.680821] nbd: must specify at least one socket 23:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xb0, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xb0, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000000) (async) 23:41:40 executing program 1: syz_open_dev$MSR(&(0x7f0000000000), 0x653, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) [ 2323.716543] nbd: must specify at least one socket 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x1, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYRESDEC=r1], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x0) 23:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="e1ff0000", @ANYRES16, @ANYBLOB="010026bd7000fddbdf250200000015000a0027595b5b2f2f5e2f5f2d268b2d2e5e235d000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)={0xdc, 0x0, 0x862854156a2c728d, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:ld_so_cache_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_logind_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:dhcpc_state_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x40}, 0x40) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}]}, 0x28}, 0x1, 0x0, 0x0, 0x54}, 0x4000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x30, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}]}, 0x30}, 0x1, 0x0, 0x0, 0xcdf3f9994ce3e1d9}, 0x4000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r3) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x20, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40004}, 0x8014) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:public_content_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010102}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000005) 23:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2323.736893] nbd: must specify a size in bytes for the device [ 2323.755709] nbd: must specify at least one socket 23:41:40 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) ioctl$RTC_WIE_ON(r4, 0x700f) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2323.787072] nbd: must specify at least one socket 23:41:40 executing program 1: r0 = syz_init_net_socket$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$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}]}, 0x1c}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x1, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYRESDEC=r1], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x0) 23:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) [ 2323.823312] nbd: must specify a size in bytes for the device 23:41:40 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$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$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}]}, 0x1c}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) [ 2323.873359] nbd: must specify at least one socket 23:41:40 executing program 3: 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$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c0004000300000000000000a9d87a68069a62596e4a6a2a05c0"], 0x20}}, 0x0) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={0x0, 0x1, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYRESDEC=r1], 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x0) [ 2323.906451] nbd: must specify at least one socket [ 2323.923145] nbd: must specify a size in bytes for the device 23:41:40 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}]}, 0x1c}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:40 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="e1ff0000", @ANYRES16, @ANYBLOB="010026bd7000fddbdf250200000015000a0027595b5b2f2f5e2f5f2d268b2d2e5e235d000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8000) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="e1ff0000", @ANYRES16, @ANYBLOB="010026bd7000fddbdf250200000015000a0027595b5b2f2f5e2f5f2d268b2d2e5e235d000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)={0xdc, 0x0, 0x862854156a2c728d, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:ld_so_cache_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_logind_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:dhcpc_state_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x40}, 0x40) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}]}, 0x28}, 0x1, 0x0, 0x0, 0x54}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x30, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}]}, 0x30}, 0x1, 0x0, 0x0, 0xcdf3f9994ce3e1d9}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r3) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r3) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x20, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40004}, 0x8014) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:public_content_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010102}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000005) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:public_content_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010102}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000005) 23:41:40 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="e1ff0000", @ANYRES16, @ANYBLOB="010026bd7000fddbdf250200000015000a0027595b5b2f2f5e2f5f2d268b2d2e5e235d000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)={0xdc, 0x0, 0x862854156a2c728d, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:ld_so_cache_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_logind_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:dhcpc_state_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x40}, 0x40) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}]}, 0x28}, 0x1, 0x0, 0x0, 0x54}, 0x4000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x30, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}]}, 0x30}, 0x1, 0x0, 0x0, 0xcdf3f9994ce3e1d9}, 0x4000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r3) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x20, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40004}, 0x8014) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:public_content_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010102}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000005) 23:41:40 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2323.947137] nbd: must specify at least one socket [ 2324.025803] nbd: must specify at least one socket 23:41:40 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000fedbdf25010000000c0004000300000000000000a9d87a68069a62596e4a6a2a05c0"], 0x20}}, 0x0) [ 2324.059874] nbd: must specify at least one socket [ 2324.084461] nbd: must specify at least one socket [ 2324.101913] nbd: must specify a size in bytes for the device [ 2324.124381] nbd: must specify at least one socket 23:41:41 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x111}, 0x14}}, 0x48040) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000007c0), 0x400881) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000800)={0x84, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x8000}, 0x4048000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000a40), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x28, r8, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40c0}, 0x20000080) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xa4, r6, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_lib_t:s0\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x10001}, 0x4000) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100"/15], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f0000000940)=ANY=[@ANYBLOB='t\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000329bd7000fbdbdf250800000014000200fe8000000000000000000000000000251400060064756d6d79300000000000000000000008000400e00000021400060069705f7674693000000000000000000008000500ac1414aa1400020000000000000000000000000000000001b3e2e6b488a503d0a33b8872e81b909c6823310ce43e"], 0x74}, 0x1, 0x0, 0x0, 0x20020800}, 0x4c004) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_open_dev$audion(&(0x7f0000000500), 0x0, 0x600000) sendmsg$TCPDIAG_GETSOCK(r10, &(0x7f0000000740)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f0000000600)={0xf8, 0x12, 0x200, 0x70bd2c, 0x25dfdbfe, {0x28, 0x4, 0x4, 0x3f, {0x4e20, 0x4e24, [0x7, 0x8, 0x1, 0x6], [0xffff, 0x10000, 0x401, 0x7d2f], 0x0, [0x6, 0x8]}, 0x7, 0x8}, [@INET_DIAG_REQ_BYTECODE={0xaa, 0x1, "8231f0bfcdef0c5e756e56bdf49a91380fafa4ec3c69854f56a6b0a8ffdfdc46ca7084d4edf1e51aedaa366e44a1faa79e01dd95bce44808ce7624b953c235e839c19c65590ab948e14c90f6940fd40f9d24738b20baa136965064dfe4458243ae9926fcb9f495ff4b71a8f1df122fd70741510f284ba5ccc6a57b539295a9a6e0e3c770fcd1baa59a88004ceff3271cd743167ca706be76d35b4107673663423e0c82f4f026"}]}, 0xf8}, 0x1, 0x0, 0x0, 0x800}, 0x800) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r11, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r12, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200000000010000000000"], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000200)={0x0, 0x2e, &(0x7f0000000080)={&(0x7f0000000140)={0x28, r12, 0x100, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x0, 0x1, 0x1}]}, 0x28}}, 0x4000000) 23:41:41 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) ioctl$RTC_WIE_ON(r4, 0x700f) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="e1ff0000", @ANYRES16, @ANYBLOB="010026bd7000fddbdf250200000015000a0027595b5b2f2f5e2f5f2d268b2d2e5e235d000000"], 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)={0xdc, 0x0, 0x862854156a2c728d, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:ld_so_cache_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'system_u:object_r:systemd_logind_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:dhcpc_state_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x40}, 0x40) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}]}, 0x28}, 0x1, 0x0, 0x0, 0x54}, 0x4000000) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}]}, 0x28}, 0x1, 0x0, 0x0, 0x54}, 0x4000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x30, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}]}, 0x30}, 0x1, 0x0, 0x0, 0xcdf3f9994ce3e1d9}, 0x4000) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f0000000780)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x30, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3c}}]}, 0x30}, 0x1, 0x0, 0x0, 0xcdf3f9994ce3e1d9}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r3) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000600), r3) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x20, r8, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x40004}, 0x8014) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r9, 0x100, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:public_content_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010102}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x20008000}, 0x4000005) 23:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 23:41:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) 23:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:41 executing program 1: r0 = syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x111}, 0x14}}, 0x48040) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000007c0), 0x400881) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000800)={0x84, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x8000}, 0x4048000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000800)={0x84, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x8000}, 0x4048000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000a40), r0) (async) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000a40), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x28, r8, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40c0}, 0x20000080) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x28, r8, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40c0}, 0x20000080) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xa4, r6, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_lib_t:s0\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x10001}, 0x4000) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100"/15], 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100"/15], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f0000000940)=ANY=[@ANYBLOB='t\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000329bd7000fbdbdf250800000014000200fe8000000000000000000000000000251400060064756d6d79300000000000000000000008000400e00000021400060069705f7674693000000000000000000008000500ac1414aa1400020000000000000000000000000000000001b3e2e6b488a503d0a33b8872e81b909c6823310ce43e"], 0x74}, 0x1, 0x0, 0x0, 0x20020800}, 0x4c004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_open_dev$audion(&(0x7f0000000500), 0x0, 0x600000) sendmsg$TCPDIAG_GETSOCK(r10, &(0x7f0000000740)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f0000000600)={0xf8, 0x12, 0x200, 0x70bd2c, 0x25dfdbfe, {0x28, 0x4, 0x4, 0x3f, {0x4e20, 0x4e24, [0x7, 0x8, 0x1, 0x6], [0xffff, 0x10000, 0x401, 0x7d2f], 0x0, [0x6, 0x8]}, 0x7, 0x8}, [@INET_DIAG_REQ_BYTECODE={0xaa, 0x1, "8231f0bfcdef0c5e756e56bdf49a91380fafa4ec3c69854f56a6b0a8ffdfdc46ca7084d4edf1e51aedaa366e44a1faa79e01dd95bce44808ce7624b953c235e839c19c65590ab948e14c90f6940fd40f9d24738b20baa136965064dfe4458243ae9926fcb9f495ff4b71a8f1df122fd70741510f284ba5ccc6a57b539295a9a6e0e3c770fcd1baa59a88004ceff3271cd743167ca706be76d35b4107673663423e0c82f4f026"}]}, 0xf8}, 0x1, 0x0, 0x0, 0x800}, 0x800) (async) sendmsg$TCPDIAG_GETSOCK(r10, &(0x7f0000000740)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f0000000600)={0xf8, 0x12, 0x200, 0x70bd2c, 0x25dfdbfe, {0x28, 0x4, 0x4, 0x3f, {0x4e20, 0x4e24, [0x7, 0x8, 0x1, 0x6], [0xffff, 0x10000, 0x401, 0x7d2f], 0x0, [0x6, 0x8]}, 0x7, 0x8}, [@INET_DIAG_REQ_BYTECODE={0xaa, 0x1, "8231f0bfcdef0c5e756e56bdf49a91380fafa4ec3c69854f56a6b0a8ffdfdc46ca7084d4edf1e51aedaa366e44a1faa79e01dd95bce44808ce7624b953c235e839c19c65590ab948e14c90f6940fd40f9d24738b20baa136965064dfe4458243ae9926fcb9f495ff4b71a8f1df122fd70741510f284ba5ccc6a57b539295a9a6e0e3c770fcd1baa59a88004ceff3271cd743167ca706be76d35b4107673663423e0c82f4f026"}]}, 0xf8}, 0x1, 0x0, 0x0, 0x800}, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r11, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r12, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200000000010000000000"], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000200)={0x0, 0x2e, &(0x7f0000000080)={&(0x7f0000000140)={0x28, r12, 0x100, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x0, 0x1, 0x1}]}, 0x28}}, 0x4000000) 23:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 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$nbd(&(0x7f0000000040), r4) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) (async) [ 2324.780398] nbd: must specify at least one socket [ 2324.796602] nbd: must specify a size in bytes for the device [ 2324.803769] nbd: must specify a size in bytes for the device [ 2324.809738] nbd: must specify at least one socket [ 2324.825098] nbd: must specify at least one socket 23:41:41 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) [ 2324.845806] nbd: must specify at least one socket 23:41:41 executing program 1: r0 = syz_init_net_socket$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) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x111}, 0x14}}, 0x48040) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000007c0), 0x400881) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000900)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000008c0)={&(0x7f0000000800)={0x84, 0x0, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x8000}, 0x4048000) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) (async) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r0) (async, rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000a40), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000b00)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x28, r8, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_batadv\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40c0}, 0x20000080) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000380)={&(0x7f00000002c0)={0xa4, r6, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_lib_t:s0\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x10001}, 0x4000) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100"/15], 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000040)={&(0x7f0000000940)=ANY=[@ANYBLOB='t\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="000329bd7000fbdbdf250800000014000200fe8000000000000000000000000000251400060064756d6d79300000000000000000000008000400e00000021400060069705f7674693000000000000000000008000500ac1414aa1400020000000000000000000000000000000001b3e2e6b488a503d0a33b8872e81b909c6823310ce43e"], 0x74}, 0x1, 0x0, 0x0, 0x20020800}, 0x4c004) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r10 = syz_open_dev$audion(&(0x7f0000000500), 0x0, 0x600000) (rerun: 32) sendmsg$TCPDIAG_GETSOCK(r10, &(0x7f0000000740)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f0000000600)={0xf8, 0x12, 0x200, 0x70bd2c, 0x25dfdbfe, {0x28, 0x4, 0x4, 0x3f, {0x4e20, 0x4e24, [0x7, 0x8, 0x1, 0x6], [0xffff, 0x10000, 0x401, 0x7d2f], 0x0, [0x6, 0x8]}, 0x7, 0x8}, [@INET_DIAG_REQ_BYTECODE={0xaa, 0x1, "8231f0bfcdef0c5e756e56bdf49a91380fafa4ec3c69854f56a6b0a8ffdfdc46ca7084d4edf1e51aedaa366e44a1faa79e01dd95bce44808ce7624b953c235e839c19c65590ab948e14c90f6940fd40f9d24738b20baa136965064dfe4458243ae9926fcb9f495ff4b71a8f1df122fd70741510f284ba5ccc6a57b539295a9a6e0e3c770fcd1baa59a88004ceff3271cd743167ca706be76d35b4107673663423e0c82f4f026"}]}, 0xf8}, 0x1, 0x0, 0x0, 0x800}, 0x800) (async, rerun: 32) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r12 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r11, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r12, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200000000010000000000"], 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000200)={0x0, 0x2e, &(0x7f0000000080)={&(0x7f0000000140)={0x28, r12, 0x100, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x0, 0x1, 0x1}]}, 0x28}}, 0x4000000) 23:41:41 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x81) 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$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r4, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x4, 0x4, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x40080) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) r10 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r10, 0xc0186419, 0x0) sendmsg$DCCPDIAG_GETSOCK(r10, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f00000005c0)={0x15c, 0x13, 0x1, 0x70bd29, 0x25dfdbfc, {0x3, 0x5, 0x7f, 0x8, {0x4e23, 0x4e24, [0x20, 0x401, 0x4, 0x2], [0x0, 0x40000000, 0x1, 0x5b0c], 0x0, [0xf32b, 0x8000]}, 0xb11, 0x8}, [@INET_DIAG_REQ_BYTECODE={0x7b, 0x1, "8119d8a09b2ab0f7185de52e8a0eadd43ad333f8a6e07a51aa6a19e527756ed2810acd4e191c45ec4d161b9bd54c5024b8c32c2d83660522f41edc14fc8695fc93d687d236f2ec01c9d7af8781508fcdeb9d2e2d0bc5844de01dd9038dedb3d095c37c846c8d6bda9ec54a4ff11677e34342aa9ff1e2f5"}, @INET_DIAG_REQ_BYTECODE={0x93, 0x1, "5af167fa3ab766c32771f00cc22e197622642d520e2ccbc7e067162bb1fed31366570b9e4de54afdf974ba2886fbb59f108b71d95f455fdab43c6e6dc95840fa5b28ccd69f0c8bcd8bd4570834d57ca626c8a564934edc556c6734644c9970013d77884eca799e6d246f82be84c5659e4d535c5975a599a3f9987f698d35f656c6e2f03d14cab6dd6c607d9e98f162"}]}, 0x15c}, 0x1, 0x0, 0x0, 0x19f149fe6d2daccc}, 0x80) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r9, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:41 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2324.905904] nbd: must specify a size in bytes for the device [ 2324.951861] nbd: must specify a size in bytes for the device [ 2324.964894] nbd: must specify at least one socket [ 2325.041504] nbd: must specify a size in bytes for the device 23:41:42 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) read$FUSE(r3, &(0x7f0000000300)={0x2020}, 0x2020) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) ioctl$RTC_WIE_ON(r4, 0x700f) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 23:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x81) (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$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r4, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x4, 0x4, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x40080) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) (async) r10 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r10, 0xc0186419, 0x0) (async) sendmsg$DCCPDIAG_GETSOCK(r10, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f00000005c0)={0x15c, 0x13, 0x1, 0x70bd29, 0x25dfdbfc, {0x3, 0x5, 0x7f, 0x8, {0x4e23, 0x4e24, [0x20, 0x401, 0x4, 0x2], [0x0, 0x40000000, 0x1, 0x5b0c], 0x0, [0xf32b, 0x8000]}, 0xb11, 0x8}, [@INET_DIAG_REQ_BYTECODE={0x7b, 0x1, "8119d8a09b2ab0f7185de52e8a0eadd43ad333f8a6e07a51aa6a19e527756ed2810acd4e191c45ec4d161b9bd54c5024b8c32c2d83660522f41edc14fc8695fc93d687d236f2ec01c9d7af8781508fcdeb9d2e2d0bc5844de01dd9038dedb3d095c37c846c8d6bda9ec54a4ff11677e34342aa9ff1e2f5"}, @INET_DIAG_REQ_BYTECODE={0x93, 0x1, "5af167fa3ab766c32771f00cc22e197622642d520e2ccbc7e067162bb1fed31366570b9e4de54afdf974ba2886fbb59f108b71d95f455fdab43c6e6dc95840fa5b28ccd69f0c8bcd8bd4570834d57ca626c8a564934edc556c6734644c9970013d77884eca799e6d246f82be84c5659e4d535c5975a599a3f9987f698d35f656c6e2f03d14cab6dd6c607d9e98f162"}]}, 0x15c}, 0x1, 0x0, 0x0, 0x19f149fe6d2daccc}, 0x80) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r9, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) (rerun: 32) 23:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x81) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r4, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x4, 0x4, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x40080) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) r10 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r10, 0xc0186419, 0x0) sendmsg$DCCPDIAG_GETSOCK(r10, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f00000005c0)={0x15c, 0x13, 0x1, 0x70bd29, 0x25dfdbfc, {0x3, 0x5, 0x7f, 0x8, {0x4e23, 0x4e24, [0x20, 0x401, 0x4, 0x2], [0x0, 0x40000000, 0x1, 0x5b0c], 0x0, [0xf32b, 0x8000]}, 0xb11, 0x8}, [@INET_DIAG_REQ_BYTECODE={0x7b, 0x1, "8119d8a09b2ab0f7185de52e8a0eadd43ad333f8a6e07a51aa6a19e527756ed2810acd4e191c45ec4d161b9bd54c5024b8c32c2d83660522f41edc14fc8695fc93d687d236f2ec01c9d7af8781508fcdeb9d2e2d0bc5844de01dd9038dedb3d095c37c846c8d6bda9ec54a4ff11677e34342aa9ff1e2f5"}, @INET_DIAG_REQ_BYTECODE={0x93, 0x1, "5af167fa3ab766c32771f00cc22e197622642d520e2ccbc7e067162bb1fed31366570b9e4de54afdf974ba2886fbb59f108b71d95f455fdab43c6e6dc95840fa5b28ccd69f0c8bcd8bd4570834d57ca626c8a564934edc556c6734644c9970013d77884eca799e6d246f82be84c5659e4d535c5975a599a3f9987f698d35f656c6e2f03d14cab6dd6c607d9e98f162"}]}, 0x15c}, 0x1, 0x0, 0x0, 0x19f149fe6d2daccc}, 0x80) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r9, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) 23:41:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2325.738302] nbd: must specify a size in bytes for the device [ 2325.765070] nbd: must specify a size in bytes for the device 23:41:42 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x81) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r4, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x4, 0x4, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x40080) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) r10 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r10, 0xc0186419, 0x0) sendmsg$DCCPDIAG_GETSOCK(r10, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f00000005c0)={0x15c, 0x13, 0x1, 0x70bd29, 0x25dfdbfc, {0x3, 0x5, 0x7f, 0x8, {0x4e23, 0x4e24, [0x20, 0x401, 0x4, 0x2], [0x0, 0x40000000, 0x1, 0x5b0c], 0x0, [0xf32b, 0x8000]}, 0xb11, 0x8}, [@INET_DIAG_REQ_BYTECODE={0x7b, 0x1, "8119d8a09b2ab0f7185de52e8a0eadd43ad333f8a6e07a51aa6a19e527756ed2810acd4e191c45ec4d161b9bd54c5024b8c32c2d83660522f41edc14fc8695fc93d687d236f2ec01c9d7af8781508fcdeb9d2e2d0bc5844de01dd9038dedb3d095c37c846c8d6bda9ec54a4ff11677e34342aa9ff1e2f5"}, @INET_DIAG_REQ_BYTECODE={0x93, 0x1, "5af167fa3ab766c32771f00cc22e197622642d520e2ccbc7e067162bb1fed31366570b9e4de54afdf974ba2886fbb59f108b71d95f455fdab43c6e6dc95840fa5b28ccd69f0c8bcd8bd4570834d57ca626c8a564934edc556c6734644c9970013d77884eca799e6d246f82be84c5659e4d535c5975a599a3f9987f698d35f656c6e2f03d14cab6dd6c607d9e98f162"}]}, 0x15c}, 0x1, 0x0, 0x0, 0x19f149fe6d2daccc}, 0x80) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r9, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, 0x0, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x105}]}, 0x20}, 0x1, 0x0, 0x0, 0x4}, 0x81) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x7c, r4, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x4, 0x4, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x40080) (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) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r10, 0xc0186419, 0x0) (async) sendmsg$DCCPDIAG_GETSOCK(r10, &(0x7f0000000400)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f00000005c0)={0x15c, 0x13, 0x1, 0x70bd29, 0x25dfdbfc, {0x3, 0x5, 0x7f, 0x8, {0x4e23, 0x4e24, [0x20, 0x401, 0x4, 0x2], [0x0, 0x40000000, 0x1, 0x5b0c], 0x0, [0xf32b, 0x8000]}, 0xb11, 0x8}, [@INET_DIAG_REQ_BYTECODE={0x7b, 0x1, "8119d8a09b2ab0f7185de52e8a0eadd43ad333f8a6e07a51aa6a19e527756ed2810acd4e191c45ec4d161b9bd54c5024b8c32c2d83660522f41edc14fc8695fc93d687d236f2ec01c9d7af8781508fcdeb9d2e2d0bc5844de01dd9038dedb3d095c37c846c8d6bda9ec54a4ff11677e34342aa9ff1e2f5"}, @INET_DIAG_REQ_BYTECODE={0x93, 0x1, "5af167fa3ab766c32771f00cc22e197622642d520e2ccbc7e067162bb1fed31366570b9e4de54afdf974ba2886fbb59f108b71d95f455fdab43c6e6dc95840fa5b28ccd69f0c8bcd8bd4570834d57ca626c8a564934edc556c6734644c9970013d77884eca799e6d246f82be84c5659e4d535c5975a599a3f9987f698d35f656c6e2f03d14cab6dd6c607d9e98f162"}]}, 0x15c}, 0x1, 0x0, 0x0, 0x19f149fe6d2daccc}, 0x80) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x30, r9, 0x1, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000090}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) 23:41:42 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:42 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) write$FUSE_IOCTL(0xffffffffffffffff, &(0x7f0000000000)={0x20, 0x0, 0x0, {0x9, 0x4, 0x3ff, 0x80000001}}, 0x20) [ 2325.789696] nla_parse: 42 callbacks suppressed [ 2325.789703] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2325.812728] nbd: must specify at least one socket [ 2325.867011] nbd: must specify at least one socket 23:41:42 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) [ 2325.909448] nbd: must specify a size in bytes for the device [ 2325.926506] nbd: must specify a size in bytes for the device [ 2325.934237] nbd: must specify at least one socket [ 2325.957561] nbd: must specify at least one socket 23:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) setsockopt$RDS_FREE_MR(r3, 0x114, 0x3, &(0x7f0000000000)={{0x7, 0x80000001}, 0x1}, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000820) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x0) 23:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) write$FUSE_IOCTL(0xffffffffffffffff, &(0x7f0000000000)={0x20, 0x0, 0x0, {0x9, 0x4, 0x3ff, 0x80000001}}, 0x20) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) write$FUSE_IOCTL(0xffffffffffffffff, &(0x7f0000000000)={0x20, 0x0, 0x0, {0x9, 0x4, 0x3ff, 0x80000001}}, 0x20) (async) 23:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x6c, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x48000}, 0x8d0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r6, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10001}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000009}, 0x4000000) 23:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000820) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x0) 23:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) [ 2326.620959] nbd: must specify at least one socket [ 2326.633910] nbd: must specify at least one socket [ 2326.642567] nbd: must specify a size in bytes for the device [ 2326.649631] nbd: must specify a size in bytes for the device 23:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2326.669508] nbd: must specify at least one socket [ 2326.684161] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2326.705107] nbd: must specify at least one socket [ 2326.715039] nbd: must specify at least one socket 23:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) write$FUSE_IOCTL(0xffffffffffffffff, &(0x7f0000000000)={0x20, 0x0, 0x0, {0x9, 0x4, 0x3ff, 0x80000001}}, 0x20) 23:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) setsockopt$RDS_FREE_MR(r3, 0x114, 0x3, &(0x7f0000000000)={{0x7, 0x80000001}, 0x1}, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, 0x0, 0x100, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000040}, 0x4000820) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x0) [ 2326.732077] nbd: must specify a size in bytes for the device [ 2326.762103] nbd: must specify at least one socket 23:41:43 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) setsockopt$RDS_FREE_MR(r3, 0x114, 0x3, &(0x7f0000000000)={{0x7, 0x80000001}, 0x1}, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2326.792138] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2326.808014] nbd: must specify at least one socket [ 2326.828489] nbd: must specify at least one socket 23:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x800}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="233bb1d6fe4dd728"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r7, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40800) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) [ 2326.838282] nbd: must specify at least one socket [ 2326.848075] nbd: must specify a size in bytes for the device [ 2326.862629] nbd: must specify a size in bytes for the device [ 2326.876179] nbd: must specify a size in bytes for the device 23:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 23:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2326.889517] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2326.928993] nbd: must specify at least one socket 23:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0xfffffffffffffdba, &(0x7f0000000ac0)={&(0x7f0000000000)={0x14, r1, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x8}]}, 0x14}}, 0x0) 23:41:43 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x800}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x800}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="233bb1d6fe4dd728"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r7, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40800) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) [ 2326.949248] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2326.974848] nbd: must specify an index to disconnect [ 2326.990713] nbd: must specify a size in bytes for the device 23:41:43 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0xfffffffffffffdba, &(0x7f0000000ac0)={&(0x7f0000000000)={0x14, r1, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x8}]}, 0x14}}, 0x0) 23:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:43 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) [ 2327.006591] nbd: must specify a size in bytes for the device [ 2327.019193] nbd: must specify a size in bytes for the device 23:41:43 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x800}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="233bb1d6fe4dd728"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r7, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40800) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x800}, 0x14}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="233bb1d6fe4dd728"], 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r7, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x40800) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) (async) 23:41:43 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) [ 2327.056589] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2327.074152] nbd: must specify an index to disconnect [ 2327.085160] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2327.096496] nbd: must specify at least one socket 23:41:43 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0xfffffffffffffdba, &(0x7f0000000ac0)={&(0x7f0000000000)={0x14, r1, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x8}]}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0xfffffffffffffdba, &(0x7f0000000ac0)={&(0x7f0000000000)={0x14, r1, 0x0, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x8}]}, 0x14}}, 0x0) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2327.137286] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2327.148295] nbd: must specify an index to disconnect [ 2327.161863] nbd: must specify a size in bytes for the device [ 2327.174039] nbd: must specify a size in bytes for the device 23:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x58, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x2000c014) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 2327.212197] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2327.234064] nbd: must specify at least one socket [ 2327.248640] nbd: must specify a size in bytes for the device 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x58, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x2000c014) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:44 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:44 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2327.261904] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2327.271821] nbd: must specify at least one socket [ 2327.290655] nbd: must specify at least one socket [ 2327.302978] nbd: must specify a size in bytes for the device 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 4: r0 = accept$netrom(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @netrom}, [@remote, @rose, @remote, @netrom, @default, @bcast, @netrom, @rose]}, &(0x7f0000000000)=0x48) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000100)=0x7fff, &(0x7f0000000140)=0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2327.355974] nbd: must specify a size in bytes for the device 23:41:44 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x58, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x2000c014) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="00000000000003ff80f1ae433cfde1dd3e70aa6614a5ff447e5e0064881def4a14918dd11ad1c48a94aa7ceeaad671c8fde037f4a1cf5f412dbf7ee69415518b6494deffa6e62adac30d4ed68273000000000000007bb14b6ee100", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01390db8694026540fb30904abb5ec8a0ea335566cd18350354904e8ca349d9166cb23efa12ba6ce77a96a38e9cf3720069e2d91cd4cdf732eebe3530f39c9c615911d9486399382ced184d540f6f0464c98cec5f7534dcf15cfa8477839784f434d93cd0f0ddbb0db4c3bbdda11c36a2c23c064bbd00ed2fd75992d99d7a7c9f145806135298417533bb0eed9da365287adfd99d73131a9a55423b367b3dc255f82"], 0x20}}, 0x0) 23:41:44 executing program 4: r0 = accept$netrom(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @netrom}, [@remote, @rose, @remote, @netrom, @default, @bcast, @netrom, @rose]}, &(0x7f0000000000)=0x48) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000100)=0x7fff, &(0x7f0000000140)=0x4) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:44 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2327.396497] nbd: must specify at least one socket [ 2327.414759] nbd: must specify at least one socket [ 2327.422531] nbd: must specify at least one socket [ 2327.434606] nbd: must specify a size in bytes for the device 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r2, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r2}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r1, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3, 0x0, r4, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) 23:41:44 executing program 4: r0 = accept$netrom(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @netrom}, [@remote, @rose, @remote, @netrom, @default, @bcast, @netrom, @rose]}, &(0x7f0000000000)=0x48) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000100)=0x7fff, &(0x7f0000000140)=0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2327.480461] nbd: must specify at least one socket 23:41:44 executing program 3: r0 = syz_open_dev$audion(&(0x7f00000001c0), 0x401, 0x80000) ioctl$PPPIOCGIDLE(r0, 0x8010743f, &(0x7f0000000200)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0x40000) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000280), 0x9, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x94, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r0}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x2008001}, 0x8055) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r8, 0x1}, 0x14}}, 0x0) 23:41:44 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="00000000000003ff80f1ae433cfde1dd3e70aa6614a5ff447e5e0064881def4a14918dd11ad1c48a94aa7ceeaad671c8fde037f4a1cf5f412dbf7ee69415518b6494deffa6e62adac30d4ed68273000000000000007bb14b6ee100", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01390db8694026540fb30904abb5ec8a0ea335566cd18350354904e8ca349d9166cb23efa12ba6ce77a96a38e9cf3720069e2d91cd4cdf732eebe3530f39c9c615911d9486399382ced184d540f6f0464c98cec5f7534dcf15cfa8477839784f434d93cd0f0ddbb0db4c3bbdda11c36a2c23c064bbd00ed2fd75992d99d7a7c9f145806135298417533bb0eed9da365287adfd99d73131a9a55423b367b3dc255f82"], 0x20}}, 0x0) [ 2327.532556] nbd: must specify a size in bytes for the device 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r2, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r2}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r1, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3, 0x0, r4, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) 23:41:44 executing program 3: r0 = syz_open_dev$audion(&(0x7f00000001c0), 0x401, 0x80000) ioctl$PPPIOCGIDLE(r0, 0x8010743f, &(0x7f0000000200)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0x40000) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000280), 0x9, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x94, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r0}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x2008001}, 0x8055) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x94, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r0}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x2008001}, 0x8055) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r8, 0x1}, 0x14}}, 0x0) 23:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="00000000000003ff80f1ae433cfde1dd3e70aa6614a5ff447e5e0064881def4a14918dd11ad1c48a94aa7ceeaad671c8fde037f4a1cf5f412dbf7ee69415518b6494deffa6e62adac30d4ed68273000000000000007bb14b6ee100", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01390db8694026540fb30904abb5ec8a0ea335566cd18350354904e8ca349d9166cb23efa12ba6ce77a96a38e9cf3720069e2d91cd4cdf732eebe3530f39c9c615911d9486399382ced184d540f6f0464c98cec5f7534dcf15cfa8477839784f434d93cd0f0ddbb0db4c3bbdda11c36a2c23c064bbd00ed2fd75992d99d7a7c9f145806135298417533bb0eed9da365287adfd99d73131a9a55423b367b3dc255f82"], 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)=ANY=[@ANYBLOB="00000000000003ff80f1ae433cfde1dd3e70aa6614a5ff447e5e0064881def4a14918dd11ad1c48a94aa7ceeaad671c8fde037f4a1cf5f412dbf7ee69415518b6494deffa6e62adac30d4ed68273000000000000007bb14b6ee100", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01390db8694026540fb30904abb5ec8a0ea335566cd18350354904e8ca349d9166cb23efa12ba6ce77a96a38e9cf3720069e2d91cd4cdf732eebe3530f39c9c615911d9486399382ced184d540f6f0464c98cec5f7534dcf15cfa8477839784f434d93cd0f0ddbb0db4c3bbdda11c36a2c23c064bbd00ed2fd75992d99d7a7c9f145806135298417533bb0eed9da365287adfd99d73131a9a55423b367b3dc255f82"], 0x20}}, 0x0) (async) [ 2327.576920] nbd: must specify at least one socket 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r2, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r2}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r1, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3, 0x0, r4, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) [ 2327.632983] nbd: must specify at least one socket 23:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x48090000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x4, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x200480c4}, 0x8880) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) 23:41:44 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r2, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r2}) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="1400e28faab1bf9f0000000000052a054c"], 0x20}}, 0x0) 23:41:44 executing program 3: r0 = syz_open_dev$audion(&(0x7f00000001c0), 0x401, 0x80000) ioctl$PPPIOCGIDLE(r0, 0x8010743f, &(0x7f0000000200)) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0x40000) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000280), 0x9, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x94, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r0}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x2008001}, 0x8055) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r8, 0x1}, 0x14}}, 0x0) syz_open_dev$audion(&(0x7f00000001c0), 0x401, 0x80000) (async) ioctl$PPPIOCGIDLE(r0, 0x8010743f, &(0x7f0000000200)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0x40000) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) syz_open_dev$audion(&(0x7f0000000280), 0x9, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)={0x94, r3, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r0}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r6}, {0x8, 0x1, r4}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x2008001}, 0x8055) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r8, 0x1}, 0x14}}, 0x0) (async) [ 2327.663497] nbd: must specify a size in bytes for the device [ 2327.696187] nbd: must specify at least one socket 23:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x48090000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x4, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x200480c4}, 0x8880) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) [ 2327.765702] nbd: must specify a size in bytes for the device [ 2327.783983] nbd: must specify at least one socket 23:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc11}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, r2, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x3c}}, 0x40) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000b321a0e3ad5bf36f24262f4ed8a0f3e6359c1961ca6c49bf2aaeb66a37cab72ba9be0a16483a07d1c676b387b098e3b0ab03b647e34aada2f1b39ca818498b3e7c57d2fa66c15bf41e4cddc09d6d45e284170642a06e1e43aac211002f271781337f972935fef430c0bb4e77f5dbc3f89f25553e1162afd1a9735e684c0ca1deb922bb1c09407c457840042abd4bd31f832b43af4604568fbe46f4b624095a"], 0x14}}, 0x0) 23:41:44 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="1400e28faab1bf9f0000000000052a054c"], 0x20}}, 0x0) 23:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x48090000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x4, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x200480c4}, 0x8880) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x48090000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x4, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x200480c4}, 0x8880) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) (async) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) 23:41:44 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2327.914594] nbd: must specify at least one socket 23:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc11}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, r2, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x3c}}, 0x40) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000b321a0e3ad5bf36f24262f4ed8a0f3e6359c1961ca6c49bf2aaeb66a37cab72ba9be0a16483a07d1c676b387b098e3b0ab03b647e34aada2f1b39ca818498b3e7c57d2fa66c15bf41e4cddc09d6d45e284170642a06e1e43aac211002f271781337f972935fef430c0bb4e77f5dbc3f89f25553e1162afd1a9735e684c0ca1deb922bb1c09407c457840042abd4bd31f832b43af4604568fbe46f4b624095a"], 0x14}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) 23:41:44 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x48, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x64006881}, 0x8000) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0xa4480) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) r9 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r9, 0xc0186419, 0x0) read$FUSE(r9, &(0x7f0000002300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_CREATE_OPEN(r6, &(0x7f00000003c0)={0xa0, 0x0, 0x0, {{0x0, 0x3, 0x9, 0x0, 0x4, 0x8, {0x0, 0x4, 0xffffffff, 0x6, 0x6, 0x6d, 0xffff, 0x3ff, 0x1, 0x4000, 0x1, r11, 0x0, 0x62bb, 0xfffffffc}}, {0x0, 0x1}}}, 0xa0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xf8, r1, 0x20, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '*+\'\''}]}, 0xf8}, 0x1, 0x0, 0x0, 0x10}, 0x0) write$FUSE_LSEEK(0xffffffffffffffff, &(0x7f0000000480)={0x18, 0x0, r10}, 0x18) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000004c0)={0x28, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x28}}, 0x0) modify_ldt$read_default(0x2, &(0x7f0000000b40)=""/4096, 0x1000) 23:41:44 executing program 0: 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="1400e28faab1bf9f0000000000052a054c"], 0x20}}, 0x0) 23:41:44 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_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xc11}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x3c, r2, 0x200, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x3c}}, 0x40) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000b321a0e3ad5bf36f24262f4ed8a0f3e6359c1961ca6c49bf2aaeb66a37cab72ba9be0a16483a07d1c676b387b098e3b0ab03b647e34aada2f1b39ca818498b3e7c57d2fa66c15bf41e4cddc09d6d45e284170642a06e1e43aac211002f271781337f972935fef430c0bb4e77f5dbc3f89f25553e1162afd1a9735e684c0ca1deb922bb1c09407c457840042abd4bd31f832b43af4604568fbe46f4b624095a"], 0x14}}, 0x0) [ 2328.007536] nbd: must specify at least one socket 23:41:44 executing program 5: r0 = syz_init_net_socket$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$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) 23:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[], 0x20}}, 0x0) 23:41:44 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2328.091794] nbd: must specify at least one socket 23:41:44 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 64) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (rerun: 64) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[], 0x20}}, 0x0) 23:41:44 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_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:44 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) 23:41:45 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000000b40)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) syz_mount_image$fuse(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x1000001, &(0x7f0000000140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {'group_id', 0x3d, r3}, 0x2c, {[{@default_permissions}, {@blksize={'blksize', 0x3d, 0x400}}, {@blksize={'blksize', 0x3d, 0x800}}, {@allow_other}, {@blksize={'blksize', 0x3d, 0x1a00}}, {@default_permissions}, {@max_read={'max_read', 0x3d, 0x4}}], [{@defcontext={'defcontext', 0x3d, 'sysadm_u'}}, {@smackfsdef={'smackfsdef', 0x3d, 'nbd\x00'}}, {@smackfshat={'smackfshat', 0x3d, 'NLBL_UNLBL\x00'}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@audit}]}}, 0x0, 0x0, &(0x7f00000002c0)="26e6dd002e1428c58270605a5eb9ff50f6") syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r5) 23:41:45 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:45 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x48, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x64006881}, 0x8000) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0xa4480) (async, rerun: 32) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (rerun: 32) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) (async) r9 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r9, 0xc0186419, 0x0) read$FUSE(r9, &(0x7f0000002300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_CREATE_OPEN(r6, &(0x7f00000003c0)={0xa0, 0x0, 0x0, {{0x0, 0x3, 0x9, 0x0, 0x4, 0x8, {0x0, 0x4, 0xffffffff, 0x6, 0x6, 0x6d, 0xffff, 0x3ff, 0x1, 0x4000, 0x1, r11, 0x0, 0x62bb, 0xfffffffc}}, {0x0, 0x1}}}, 0xa0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xf8, r1, 0x20, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '*+\'\''}]}, 0xf8}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) write$FUSE_LSEEK(0xffffffffffffffff, &(0x7f0000000480)={0x18, 0x0, r10}, 0x18) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000004c0)={0x28, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x28}}, 0x0) (async) modify_ldt$read_default(0x2, &(0x7f0000000b40)=""/4096, 0x1000) 23:41:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[], 0x20}}, 0x0) 23:41:45 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:45 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:45 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="97e189bb", @ANYRES16=r2, @ANYBLOB="0100000500002d5591e201"], 0x20}}, 0x0) 23:41:45 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:45 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2328.959842] nbd: must specify at least one socket 23:41:45 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:45 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000000b40)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) syz_mount_image$fuse(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x1000001, &(0x7f0000000140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {'group_id', 0x3d, r3}, 0x2c, {[{@default_permissions}, {@blksize={'blksize', 0x3d, 0x400}}, {@blksize={'blksize', 0x3d, 0x800}}, {@allow_other}, {@blksize={'blksize', 0x3d, 0x1a00}}, {@default_permissions}, {@max_read={'max_read', 0x3d, 0x4}}], [{@defcontext={'defcontext', 0x3d, 'sysadm_u'}}, {@smackfsdef={'smackfsdef', 0x3d, 'nbd\x00'}}, {@smackfshat={'smackfshat', 0x3d, 'NLBL_UNLBL\x00'}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@audit}]}}, 0x0, 0x0, &(0x7f00000002c0)="26e6dd002e1428c58270605a5eb9ff50f6") syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async) read$FUSE(0xffffffffffffffff, &(0x7f0000000b40)={0x2020}, 0x2020) (async) syz_mount_image$fuse(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x1000001, &(0x7f0000000140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {'group_id', 0x3d, r3}, 0x2c, {[{@default_permissions}, {@blksize={'blksize', 0x3d, 0x400}}, {@blksize={'blksize', 0x3d, 0x800}}, {@allow_other}, {@blksize={'blksize', 0x3d, 0x1a00}}, {@default_permissions}, {@max_read={'max_read', 0x3d, 0x4}}], [{@defcontext={'defcontext', 0x3d, 'sysadm_u'}}, {@smackfsdef={'smackfsdef', 0x3d, 'nbd\x00'}}, {@smackfshat={'smackfshat', 0x3d, 'NLBL_UNLBL\x00'}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@audit}]}}, 0x0, 0x0, &(0x7f00000002c0)="26e6dd002e1428c58270605a5eb9ff50f6") (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r5) (async) [ 2329.041776] nbd: must specify at least one socket 23:41:46 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x48, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0x48}, 0x1, 0x0, 0x0, 0x64006881}, 0x8000) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0xa4480) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000080), 0xa4480) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) r9 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r9, 0xc0186419, 0x0) read$FUSE(r9, &(0x7f0000002300)={0x2020}, 0x2020) (async) read$FUSE(r9, &(0x7f0000002300)={0x2020, 0x0, 0x0, 0x0}, 0x2020) write$FUSE_CREATE_OPEN(r6, &(0x7f00000003c0)={0xa0, 0x0, 0x0, {{0x0, 0x3, 0x9, 0x0, 0x4, 0x8, {0x0, 0x4, 0xffffffff, 0x6, 0x6, 0x6d, 0xffff, 0x3ff, 0x1, 0x4000, 0x1, r11, 0x0, 0x62bb, 0xfffffffc}}, {0x0, 0x1}}}, 0xa0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xf8, r1, 0x20, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '*+\'\''}]}, 0xf8}, 0x1, 0x0, 0x0, 0x10}, 0x0) write$FUSE_LSEEK(0xffffffffffffffff, &(0x7f0000000480)={0x18, 0x0, r10}, 0x18) (async) write$FUSE_LSEEK(0xffffffffffffffff, &(0x7f0000000480)={0x18, 0x0, r10}, 0x18) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000004c0)={0x28, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000004c0)={0x28, r1, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}]}, 0x28}}, 0x0) modify_ldt$read_default(0x2, &(0x7f0000000b40)=""/4096, 0x1000) 23:41:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="97e189bb", @ANYRES16=r2, @ANYBLOB="0100000500002d5591e201"], 0x20}}, 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$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="97e189bb", @ANYRES16=r2, @ANYBLOB="0100000500002d5591e201"], 0x20}}, 0x0) (async) 23:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:46 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:46 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000000b40)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) syz_mount_image$fuse(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x1000001, &(0x7f0000000140)={{'fd', 0x3d, r2}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {'user_id', 0x3d, 0xee00}, 0x2c, {'group_id', 0x3d, r3}, 0x2c, {[{@default_permissions}, {@blksize={'blksize', 0x3d, 0x400}}, {@blksize={'blksize', 0x3d, 0x800}}, {@allow_other}, {@blksize={'blksize', 0x3d, 0x1a00}}, {@default_permissions}, {@max_read={'max_read', 0x3d, 0x4}}], [{@defcontext={'defcontext', 0x3d, 'sysadm_u'}}, {@smackfsdef={'smackfsdef', 0x3d, 'nbd\x00'}}, {@smackfshat={'smackfshat', 0x3d, 'NLBL_UNLBL\x00'}}, {@subj_type={'subj_type', 0x3d, 'nbd\x00'}}, {@audit}]}}, 0x0, 0x0, &(0x7f00000002c0)="26e6dd002e1428c58270605a5eb9ff50f6") (async, rerun: 32) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r5) 23:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:46 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:46 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="97e189bb", @ANYRES16=r2, @ANYBLOB="0100000500002d5591e201"], 0x20}}, 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$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="97e189bb", @ANYRES16=r2, @ANYBLOB="0100000500002d5591e201"], 0x20}}, 0x0) (async) 23:41:46 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2329.897136] nbd: must specify at least one socket 23:41:46 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x22}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x48040}, 0x800) [ 2330.012140] nbd: must specify at least one socket 23:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x20, r1, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}}, 0x0) 23:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$rtc(&(0x7f0000000000), 0x7, 0x200) ioctl$RTC_PIE_OFF(r1, 0x7006) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) 23:41:47 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_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r1, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r1}) 23:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x22}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x48040}, 0x800) 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$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x22}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x48040}, 0x800) (async) 23:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:41:47 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_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_open_dev$rtc(&(0x7f0000000000), 0x7, 0x200) ioctl$RTC_PIE_OFF(r1, 0x7006) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 2330.812402] nbd: must specify at least one socket [ 2330.831129] nla_parse: 2 callbacks suppressed [ 2330.831135] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 23:41:47 executing program 4: 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$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x20, r1, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}}, 0x0) [ 2330.889431] nbd: must specify at least one socket 23:41:47 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_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:41:47 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x5c, r3, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x22}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x5c}, 0x1, 0x0, 0x0, 0x48040}, 0x800) 23:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) [ 2330.913042] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2330.941885] nbd: must specify at least one socket 23:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x20, r1, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}]}]}, 0x20}}, 0x0) 23:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_open_dev$rtc(&(0x7f0000000000), 0x7, 0x200) ioctl$RTC_PIE_OFF(r1, 0x7006) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) 23:41:47 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:47 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:47 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) 23:41:47 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$rtc(&(0x7f0000000080), 0x8000, 0x50480) ioctl$RTC_ALM_SET(r3, 0x40247007, &(0x7f00000000c0)={0x6, 0x24, 0xc, 0x16, 0x9, 0x10001, 0x1, 0x87, 0xffffffffffffffff}) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1, 0x2, 0x25dfdbfe}, 0x14}}, 0x0) 23:41:47 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) 23:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = gettid() sched_rr_get_interval(r3, &(0x7f0000000100)) ptrace$poke(0x5, r3, &(0x7f0000000080), 0x3) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r1) [ 2331.104096] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2331.128717] nbd: must specify at least one socket 23:41:48 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) [ 2331.255716] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2331.282692] nbd: must specify at least one socket 23:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) 23:41:48 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = gettid() sched_rr_get_interval(r3, &(0x7f0000000100)) (async) sched_rr_get_interval(r3, &(0x7f0000000100)) ptrace$poke(0x5, r3, &(0x7f0000000080), 0x3) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r1) 23:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$rtc(&(0x7f0000000080), 0x8000, 0x50480) ioctl$RTC_ALM_SET(r3, 0x40247007, &(0x7f00000000c0)={0x6, 0x24, 0xc, 0x16, 0x9, 0x10001, 0x1, 0x87, 0xffffffffffffffff}) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1, 0x2, 0x25dfdbfe}, 0x14}}, 0x0) [ 2331.308029] nbd: must specify at least one socket 23:41:48 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) 23:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) (async) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) 23:41:48 executing program 1: syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x0) 23:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2331.434067] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2331.458234] nbd: must specify at least one socket [ 2331.479277] nbd: must specify at least one socket 23:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$rtc(&(0x7f0000000080), 0x8000, 0x50480) ioctl$RTC_ALM_SET(r3, 0x40247007, &(0x7f00000000c0)={0x6, 0x24, 0xc, 0x16, 0x9, 0x10001, 0x1, 0x87, 0xffffffffffffffff}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1, 0x2, 0x25dfdbfe}, 0x14}}, 0x0) 23:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = gettid() sched_rr_get_interval(r3, &(0x7f0000000100)) ptrace$poke(0x5, r3, &(0x7f0000000080), 0x3) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) gettid() (async) sched_rr_get_interval(r3, &(0x7f0000000100)) (async) ptrace$poke(0x5, r3, &(0x7f0000000080), 0x3) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r1) (async) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x0) 23:41:48 executing program 1: syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="1c040000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r1, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}]}, 0x40}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100090025000000000001000280"], 0x14}}, 0x0) [ 2331.645777] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2331.664661] nbd: must specify at least one socket 23:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="1c040000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 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$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="1c040000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) 23:41:48 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0xa0200) r5 = syz_open_dev$audion(&(0x7f0000000300), 0x1, 0x412800) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000340), 0x40) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000380)={0xd0, 0x0, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x61}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0xd0}, 0x1, 0x0, 0x0, 0x80}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) r9 = accept4$unix(r6, &(0x7f0000000480)=@abs, &(0x7f0000000500)=0x6e, 0x800) bind$unix(r9, &(0x7f0000000540)=@file={0x0, './file0\x00'}, 0x6e) 23:41:48 executing program 1: syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x0) [ 2331.742397] nbd: must specify at least one socket 23:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r1, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}]}, 0x40}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100090025000000000001000280"], 0x14}}, 0x0) 23:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="1c040000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r1, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}]}, 0x40}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100090025000000000001000280"], 0x14}}, 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) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r1, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}]}, 0x40}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100090025000000000001000280"], 0x14}}, 0x0) (async) 23:41:48 executing program 0: 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0xa0200) (async) r5 = syz_open_dev$audion(&(0x7f0000000300), 0x1, 0x412800) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000340), 0x40) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000380)={0xd0, 0x0, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x61}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0xd0}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) (async) r9 = accept4$unix(r6, &(0x7f0000000480)=@abs, &(0x7f0000000500)=0x6e, 0x800) bind$unix(r9, &(0x7f0000000540)=@file={0x0, './file0\x00'}, 0x6e) [ 2331.882911] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2331.905225] nbd: must specify at least one socket [ 2331.927505] nbd: must specify at least one socket 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:41:48 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(0x0, r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$unix(r3, &(0x7f0000000780)={0x0, 0x0, 0x0}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x1) [ 2332.083403] nbd: must specify at least one socket 23:41:48 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:48 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 23:41:48 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2332.104879] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2332.120184] nbd: must specify at least one socket 23:41:49 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0xa0200) r5 = syz_open_dev$audion(&(0x7f0000000300), 0x1, 0x412800) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000340), 0x40) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000380)={0xd0, 0x0, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x61}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0xd0}, 0x1, 0x0, 0x0, 0x80}, 0x0) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) r9 = accept4$unix(r6, &(0x7f0000000480)=@abs, &(0x7f0000000500)=0x6e, 0x800) bind$unix(r9, &(0x7f0000000540)=@file={0x0, './file0\x00'}, 0x6e) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000200)) (async) openat$mice(0xffffffffffffff9c, &(0x7f0000000240), 0xa0200) (async) syz_open_dev$audion(&(0x7f0000000300), 0x1, 0x412800) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f0000000340), 0x40) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000380)={0xd0, 0x0, 0x20, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x61}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}]}, 0xd0}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r8, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) (async) accept4$unix(r6, &(0x7f0000000480)=@abs, &(0x7f0000000500)=0x6e, 0x800) (async) bind$unix(r9, &(0x7f0000000540)=@file={0x0, './file0\x00'}, 0x6e) (async) 23:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x7c, 0x0, 0x5, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tun_tap_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000045}, 0x20004001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="080001e00a000000"], 0x28}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000780)={0x90, r5, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x240000000}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r10, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x80, r11, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x89a8ad104fcf26b6) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r13) sendmsg$NLBL_UNLABEL_C_ACCEPT(r14, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r15, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r12, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x84, r15, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:etc_aliases_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x84}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) 23:41:49 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) 23:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) 23:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) 23:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x7c, 0x0, 0x5, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tun_tap_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000045}, 0x20004001) (async) 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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="080001e00a000000"], 0x28}}, 0x0) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000780)={0x90, r5, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x240000000}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async, rerun: 64) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r10, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x80, r11, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x89a8ad104fcf26b6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r13) sendmsg$NLBL_UNLABEL_C_ACCEPT(r14, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r15, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r12, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x84, r15, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:etc_aliases_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x84}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) [ 2332.265304] nbd: must specify an index to disconnect [ 2332.274835] nbd: must specify at least one socket [ 2332.286395] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2332.305621] nbd: must specify at least one socket 23:41:49 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, &(0x7f0000000380)) [ 2332.394324] nbd: must specify at least one socket 23:41:49 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$unix(r3, &(0x7f0000000780)={0x0, 0x0, 0x0}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x1) (rerun: 32) 23:41:49 executing program 0: ioctl$SNDCTL_DSP_STEREO(0xffffffffffffffff, 0xc0045003, &(0x7f0000000000)=0x1) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) 23:41:49 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x7c, 0x0, 0x5, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tun_tap_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000045}, 0x20004001) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="080001e00a000000"], 0x28}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000780)={0x90, r5, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x240000000}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r10, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x80, r11, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x89a8ad104fcf26b6) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r13) sendmsg$NLBL_UNLABEL_C_ACCEPT(r14, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r15, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r12, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x84, r15, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:etc_aliases_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x84}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) 23:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, 0x0) 23:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:49 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x0) 23:41:49 executing program 0: ioctl$SNDCTL_DSP_STEREO(0xffffffffffffffff, 0xc0045003, &(0x7f0000000000)=0x1) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:49 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, 0x0) 23:41:49 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x0) [ 2333.112690] nbd: must specify an index to disconnect [ 2333.124833] nbd: must specify at least one socket [ 2333.144439] nbd: must specify at least one socket [ 2333.219485] nbd: must specify a size in bytes for the device 23:41:50 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$unix(r3, &(0x7f0000000780)={0x0, 0x0, 0x0}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x1) 23:41:50 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048080}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r5, 0x1}, 0x14}}, 0x0) 23:41:50 executing program 0: ioctl$SNDCTL_DSP_STEREO(0xffffffffffffffff, 0xc0045003, &(0x7f0000000000)=0x1) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(0xffffffffffffffff, 0xc0186419, 0x0) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(0xffffffffffffffff, 0xc01064c2, 0x0) 23:41:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0x60}}, 0x0) 23:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x0) 23:41:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:50 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:50 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x5c}}, 0x0) 23:41:50 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, 0x0, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'sit0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:xserver_misc_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40001}, 0x4008000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1e}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000003c0), 0x98006) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x7c, r2, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x14}, 0x48090) 23:41:50 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048080}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r5, 0x1}, 0x14}}, 0x0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048080}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) [ 2334.062182] nbd: must specify at least one socket [ 2334.081912] nbd: must specify a size in bytes for the device 23:41:50 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048080}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r5, 0x1}, 0x14}}, 0x0) [ 2334.181739] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2334.191168] nbd: must specify at least one socket [ 2334.228933] nbd: must specify a size in bytes for the device [ 2334.235215] nbd: must specify at least one socket [ 2334.245164] nbd: must specify at least one socket 23:41:51 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0xf00, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x25, 0x7, 'system_u:object_r:mount_tmp_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x38, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000001}, 0x48084) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x94, 0x0, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:gpg_helper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x20008000}, 0x800) 23:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, 0x0, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'sit0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:xserver_misc_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40001}, 0x4008000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1e}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000003c0), 0x98006) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x7c, r2, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x14}, 0x48090) 23:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, 0x0, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'sit0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:xserver_misc_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40001}, 0x4008000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1e}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000003c0), 0x98006) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x7c, r2, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x14}, 0x48090) 23:41:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) 23:41:51 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048080}, 0x0) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r5, 0x1}, 0x14}}, 0x0) 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_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x8, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048080}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) [ 2334.980049] nbd: must specify at least one socket 23:41:51 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$unix(r3, &(0x7f0000000780)={0x0, 0x0, 0x0}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x1) 23:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:51 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) 23:41:51 executing program 4: 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$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0xf00, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x25, 0x7, 'system_u:object_r:mount_tmp_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x38, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000001}, 0x48084) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x94, 0x0, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:gpg_helper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x20008000}, 0x800) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x94, 0x0, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:gpg_helper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x20008000}, 0x800) [ 2335.010006] nbd: must specify a size in bytes for the device [ 2335.018832] nbd: must specify at least one socket [ 2335.026004] nbd: must specify at least one socket 23:41:51 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x68, 0x0, 0x800, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'sit0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:xserver_misc_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x40001}, 0x4008000) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1e}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x38}, 0x1, 0x0, 0x0, 0x10}, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000003c0), 0x98006) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x7c, r2, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x7c}, 0x1, 0x0, 0x0, 0x14}, 0x48090) [ 2335.069665] nbd: must specify at least one socket 23:41:51 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x40005}, 0x8880) 23:41:51 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) [ 2335.147055] nbd: must specify a size in bytes for the device [ 2335.175025] nbd: must specify at least one socket [ 2335.182903] nbd: must specify at least one socket 23:41:52 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x74, 0x0, 0xf00, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x25, 0x7, 'system_u:object_r:mount_tmp_t:s0\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x38, r1, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xe7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000001}, 0x48084) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x94, 0x0, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:gpg_helper_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x94}, 0x1, 0x0, 0x0, 0x20008000}, 0x800) 23:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x40005}, 0x8880) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x40005}, 0x8880) [ 2335.205838] nbd: must specify at least one socket 23:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:52 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) geteuid() r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYRES32=r3, @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2335.288248] nbd: must specify a size in bytes for the device [ 2335.325257] nbd: must specify at least one socket [ 2335.335743] nbd: must specify at least one socket [ 2335.345620] nbd: must specify at least one socket 23:41:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) 23:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) 23:41:52 executing program 4: ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000200)={0x0, 0x0, {0x8, 0x37, 0xd, 0x9, 0x7, 0x2, 0x6, 0x119}}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$PPPIOCGIDLE(0xffffffffffffffff, 0x8010743f, &(0x7f00000001c0)) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x94}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000180), 0x3, 0x0) 23:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x0, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x40005}, 0x8880) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 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$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r5, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x40005}, 0x8880) (async) 23:41:52 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) geteuid() (rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async, rerun: 64) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (rerun: 64) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYRES32=r3, @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2336.025088] nbd: must specify at least one socket [ 2336.037699] nbd: must specify at least one socket [ 2336.057995] nbd: must specify at least one socket 23:41:52 executing program 4: ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000200)={0x0, 0x0, {0x8, 0x37, 0xd, 0x9, 0x7, 0x2, 0x6, 0x119}}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) ioctl$PPPIOCGIDLE(0xffffffffffffffff, 0x8010743f, &(0x7f00000001c0)) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x94}, 0x8000) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000180), 0x3, 0x0) 23:41:52 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) [ 2336.071416] nbd: must specify a size in bytes for the device 23:41:52 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000200)={0x7c, 0x0, 0x5, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:utempter_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:tun_tap_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24000045}, 0x20004001) 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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="080001e00a000000"], 0x28}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f0000000780)={0x90, r5, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x240000000}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r9) sendmsg$NLBL_UNLABEL_C_ACCEPT(r10, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r11, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x80, r11, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000004}, 0x89a8ad104fcf26b6) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r15 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r13) sendmsg$NLBL_UNLABEL_C_ACCEPT(r14, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r15, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r12, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x84, r15, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:etc_aliases_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x84}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000) 23:41:52 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r4 = syz_open_dev$audion(&(0x7f00000000c0), 0x8, 0x281) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="4c00000071e24e235907ffb14df04594d48ea5bd4c9a0d5acbda7fb3a2a8fc96a94bd80c4af89d77f4b6043c64b1b9345b4ae01659394523bc620b710fdaf6f01862e73c533a68f851e6258fc24f1091e3b92c1bb0c7a90161446fc53a3c84e191fbe3cd8520c09d589d6d9b3694d651d2e1ad27c14b15ba0c172288b705c575834add8bb4806fac140a2d1a874de3d7503cbe3271b3dfc458955ef90a997d46", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250100000008000100000000000c000300e8280000000000001c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0800010000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) 23:41:52 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0x60}}, 0x0) 23:41:52 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) geteuid() (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYRES32=r3, @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2336.107416] nbd: must specify a size in bytes for the device 23:41:53 executing program 4: ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000200)={0x0, 0x0, {0x8, 0x37, 0xd, 0x9, 0x7, 0x2, 0x6, 0x119}}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$PPPIOCGIDLE(0xffffffffffffffff, 0x8010743f, &(0x7f00000001c0)) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x94}, 0x8000) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x8, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvlan0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/usr/sbin/ntpd\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x44}, 0x1, 0x0, 0x0, 0x94}, 0x8000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) openat$audio(0xffffffffffffff9c, &(0x7f0000000180), 0x3, 0x0) (async) openat$audio(0xffffffffffffff9c, &(0x7f0000000180), 0x3, 0x0) [ 2336.174831] nbd: must specify at least one socket 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x5c}}, 0x0) 23:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r4 = syz_open_dev$audion(&(0x7f00000000c0), 0x8, 0x281) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="4c00000071e24e235907ffb14df04594d48ea5bd4c9a0d5acbda7fb3a2a8fc96a94bd80c4af89d77f4b6043c64b1b9345b4ae01659394523bc620b710fdaf6f01862e73c533a68f851e6258fc24f1091e3b92c1bb0c7a90161446fc53a3c84e191fbe3cd8520c09d589d6d9b3694d651d2e1ad27c14b15ba0c172288b705c575834add8bb4806fac140a2d1a874de3d7503cbe3271b3dfc458955ef90a997d46", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250100000008000100000000000c000300e8280000000000001c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0800010000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) 23:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x0) [ 2336.225374] nbd: must specify an index to disconnect [ 2336.235228] nbd: must specify a size in bytes for the device [ 2336.248347] nbd: must specify at least one socket 23:41:53 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11d36129", @ANYRES16=r4, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:usb_device_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x8480) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) ioctl$RTC_SET_TIME(r6, 0x4024700a, &(0x7f0000000140)={0x3b, 0x4, 0x6, 0x1e, 0x7, 0x6, 0x6, 0x68}) 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x54}}, 0x0) [ 2336.328179] nbd: must specify at least one socket [ 2336.336447] nbd: must specify at least one socket 23:41:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf00}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x68c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x40}, 0x1, 0x0, 0x0, 0x8020}, 0x2400e054) 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) 23:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r4 = syz_open_dev$audion(&(0x7f00000000c0), 0x8, 0x281) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="4c00000071e24e235907ffb14df04594d48ea5bd4c9a0d5acbda7fb3a2a8fc96a94bd80c4af89d77f4b6043c64b1b9345b4ae01659394523bc620b710fdaf6f01862e73c533a68f851e6258fc24f1091e3b92c1bb0c7a90161446fc53a3c84e191fbe3cd8520c09d589d6d9b3694d651d2e1ad27c14b15ba0c172288b705c575834add8bb4806fac140a2d1a874de3d7503cbe3271b3dfc458955ef90a997d46", @ANYRES16=r3, @ANYBLOB="000125bd7000ffdbdf250100000008000100000000000c000300e8280000000000001c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="0800010000000000"], 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x4000000) [ 2336.371187] nbd: must specify a size in bytes for the device 23:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf00}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x68c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x40}, 0x1, 0x0, 0x0, 0x8020}, 0x2400e054) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={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) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf00}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x68c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x40}, 0x1, 0x0, 0x0, 0x8020}, 0x2400e054) (async) [ 2336.461767] nbd: must specify at least one socket [ 2336.477139] nbd: must specify a size in bytes for the device [ 2336.491352] nla_parse: 2 callbacks suppressed [ 2336.491359] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) 23:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf00}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x68c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x40}, 0x1, 0x0, 0x0, 0x8020}, 0x2400e054) 23:41:53 executing program 0: 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11d36129", @ANYRES16=r4, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:usb_device_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x8480) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) ioctl$RTC_SET_TIME(r6, 0x4024700a, &(0x7f0000000140)={0x3b, 0x4, 0x6, 0x1e, 0x7, 0x6, 0x6, 0x68}) 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0) 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x4c}}, 0x0) [ 2336.517718] nbd: must specify at least one socket [ 2336.535873] nbd: must specify a size in bytes for the device [ 2336.553094] nbd: must specify a size in bytes for the device 23:41:53 executing program 3: getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000000)=0x7, &(0x7f0000000080)=0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="140000ac", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 2336.581636] nbd: must specify at least one socket 23:41:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf00}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x68c}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}]}, 0x40}, 0x1, 0x0, 0x0, 0x8020}, 0x2400e054) [ 2336.636709] nbd: must specify a size in bytes for the device [ 2336.655544] nbd: must specify at least one socket [ 2336.671108] nbd: must specify a size in bytes for the device 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x44}}, 0x0) 23:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11d36129", @ANYRES16=r4, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:usb_device_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x8480) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) ioctl$RTC_SET_TIME(r6, 0x4024700a, &(0x7f0000000140)={0x3b, 0x4, 0x6, 0x1e, 0x7, 0x6, 0x6, 0x68}) [ 2336.681919] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) 23:41:53 executing program 0: 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB="11d36129", @ANYRES16=r4, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, r4, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:usb_device_t:s0\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x8480) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) ioctl$RTC_SET_TIME(r6, 0x4024700a, &(0x7f0000000140)={0x3b, 0x4, 0x6, 0x1e, 0x7, 0x6, 0x6, 0x68}) 23:41:53 executing program 3: getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000000)=0x7, &(0x7f0000000080)=0x4) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="140000ac", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 2336.709893] nbd: must specify at least one socket [ 2336.726299] nbd: must specify at least one socket 23:41:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="cf67f53978a2bf0933da4b5d7ff295d12f6fbaf4140f4045bdd58485428c331cd687a23554871fb36936760c8717dbeb264a7cff7a7beb08b424ce0e8ef6fcb5dbcb0316fffed5549ce9e901189e46d26ccb50f5f09f2b074b17969e7500008ddf33c4dbb9401c8236deafc15be426181e5a108d29ac0c8b427ca490e2ea115fdbceed9dbf3cc7e54173d43e3d94fb2b88d97838d0ba1ae64b29aac7a4c24c1ca512bbe31a56aa03fc66008fcbb079", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002c77ed7a68e453051c753ee509149a7aa7d45331e37be91379d2ecb1f0f4f05bbfb9abbc4ba254ac79ba5504706fb0cd9778fa0cb2f29a43b8c00d1666c3b177b7b0a83e61b05a546c71b28bd0c86f"], 0x14}}, 0x0) 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}}, 0x0) [ 2336.763357] nbd: must specify a size in bytes for the device [ 2336.796563] nbd: must specify at least one socket 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) 23:41:53 executing program 3: getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000000)=0x7, &(0x7f0000000080)=0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="140000ac", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000000)=0x7, &(0x7f0000000080)=0x4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="140000ac", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) [ 2336.821912] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. [ 2336.840795] nbd: must specify at least one socket 23:41:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r3) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="cf67f53978a2bf0933da4b5d7ff295d12f6fbaf4140f4045bdd58485428c331cd687a23554871fb36936760c8717dbeb264a7cff7a7beb08b424ce0e8ef6fcb5dbcb0316fffed5549ce9e901189e46d26ccb50f5f09f2b074b17969e7500008ddf33c4dbb9401c8236deafc15be426181e5a108d29ac0c8b427ca490e2ea115fdbceed9dbf3cc7e54173d43e3d94fb2b88d97838d0ba1ae64b29aac7a4c24c1ca512bbe31a56aa03fc66008fcbb079", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002c77ed7a68e453051c753ee509149a7aa7d45331e37be91379d2ecb1f0f4f05bbfb9abbc4ba254ac79ba5504706fb0cd9778fa0cb2f29a43b8c00d1666c3b177b7b0a83e61b05a546c71b28bd0c86f"], 0x14}}, 0x0) 23:41:53 executing program 1: getsockopt$netrom_NETROM_IDLE(0xffffffffffffffff, 0x103, 0x7, &(0x7f0000000000)=0x7, &(0x7f0000000080)=0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="140000ac", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 2336.871797] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2336.892877] nbd: must specify at least one socket [ 2336.902138] nbd: must specify a size in bytes for the device 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x34}}, 0x0) 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) [ 2336.918318] nbd: must specify at least one socket 23:41:53 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$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r2, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}]}, 0x30}}, 0x4048001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x28, r9, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x4000044) 23:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x2c0543, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x14, r4, 0x10, 0x0, 0x25dfdbfe}, 0x14}}, 0x0) 23:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}}, 0x0) 23:41:53 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r3) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="cf67f53978a2bf0933da4b5d7ff295d12f6fbaf4140f4045bdd58485428c331cd687a23554871fb36936760c8717dbeb264a7cff7a7beb08b424ce0e8ef6fcb5dbcb0316fffed5549ce9e901189e46d26ccb50f5f09f2b074b17969e7500008ddf33c4dbb9401c8236deafc15be426181e5a108d29ac0c8b427ca490e2ea115fdbceed9dbf3cc7e54173d43e3d94fb2b88d97838d0ba1ae64b29aac7a4c24c1ca512bbe31a56aa03fc66008fcbb079", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000002c77ed7a68e453051c753ee509149a7aa7d45331e37be91379d2ecb1f0f4f05bbfb9abbc4ba254ac79ba5504706fb0cd9778fa0cb2f29a43b8c00d1666c3b177b7b0a83e61b05a546c71b28bd0c86f"], 0x14}}, 0x0) 23:41:53 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}}, 0x0) [ 2337.027852] nbd: must specify a size in bytes for the device [ 2337.053342] nbd: must specify at least one socket 23:41:53 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x54}}, 0x0) [ 2337.080646] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2337.114946] nbd: must specify at least one socket 23:41:53 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$netlbl_unlabel(&(0x7f0000000480), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r2, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}]}, 0x30}}, 0x4048001) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x28, r9, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x4000044) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x28, r9, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x4000044) 23:41:53 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x2c0543, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x14, r4, 0x10, 0x0, 0x25dfdbfe}, 0x14}}, 0x0) 23:41:53 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x34}}, 0x0) 23:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x24}}, 0x0) [ 2337.131280] nbd: must specify a size in bytes for the device [ 2337.143051] nbd: must specify a size in bytes for the device 23:41:54 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x4c}}, 0x0) [ 2337.184355] nbd: must specify a size in bytes for the device [ 2337.244819] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2337.272481] nbd: must specify at least one socket [ 2337.285225] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 23:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x2c0543, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x14, r4, 0x10, 0x0, 0x25dfdbfe}, 0x14}}, 0x0) 23:41:54 executing program 4: syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:54 executing program 0: 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$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r2, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}]}, 0x30}}, 0x4048001) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r7) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x28, r9, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x4000044) (rerun: 32) 23:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}}, 0x0) 23:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x44}}, 0x0) [ 2337.295845] nbd: must specify at least one socket [ 2337.305627] nbd: must specify a size in bytes for the device [ 2337.333639] nbd: must specify a size in bytes for the device [ 2337.340339] nbd: must specify a size in bytes for the device [ 2337.402941] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2337.428692] nbd: must specify at least one socket 23:41:54 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:54 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$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r1, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x40, r1, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc00000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1ff}]}, 0x40}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="0100090025000000000001000280"], 0x14}}, 0x0) 23:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x4c}}, 0x0) [ 2337.448353] nbd: must specify a size in bytes for the device [ 2337.455547] nbd: must specify a size in bytes for the device 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x3c}}, 0x0) [ 2337.510382] nbd: must specify a size in bytes for the device 23:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$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$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000df000000040000000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x37}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x64}, 0x1, 0x0, 0x0, 0xc040}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="fbffffff000000007ee7221c0000"], 0x14}}, 0x0) 23:41:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x800) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r3, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9b}, @NBD_ATTR_SOCKETS={0x80, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x20048040}, 0x8008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2337.586652] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2337.614755] nbd: must specify at least one socket [ 2337.623180] nbd: must specify a size in bytes for the device 23:41:54 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x44}}, 0x0) 23:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$rtc(&(0x7f0000000080), 0x8000, 0x50480) ioctl$RTC_ALM_SET(r3, 0x40247007, &(0x7f00000000c0)={0x6, 0x24, 0xc, 0x16, 0x9, 0x10001, 0x1, 0x87, 0xffffffffffffffff}) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1, 0x2, 0x25dfdbfe}, 0x14}}, 0x0) 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x34}}, 0x0) [ 2337.641600] nbd: must specify at least one socket [ 2337.655392] nbd: must specify a size in bytes for the device 23:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 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$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000df000000040000000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x37}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x64}, 0x1, 0x0, 0x0, 0xc040}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="fbffffff000000007ee7221c0000"], 0x14}}, 0x0) syz_init_net_socket$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) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000df000000040000000000000014000200fc0200"/42], 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x37}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x64}, 0x1, 0x0, 0x0, 0xc040}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="fbffffff000000007ee7221c0000"], 0x14}}, 0x0) (async) [ 2337.741435] nbd: must specify at least one socket 23:41:54 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x800) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r3, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9b}, @NBD_ATTR_SOCKETS={0x80, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x20048040}, 0x8008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x800) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r3, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9b}, @NBD_ATTR_SOCKETS={0x80, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x20048040}, 0x8008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2337.768594] nbd: must specify at least one socket [ 2337.787241] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2337.803524] nbd: must specify at least one socket [ 2337.811017] nbd: must specify a size in bytes for the device 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x2c}}, 0x0) 23:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) 23:41:54 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="01000000000000000000df000000040000000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x64, r5, 0x300, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x37}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apm_bios_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x64}, 0x1, 0x0, 0x0, 0xc040}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="fbffffff000000007ee7221c0000"], 0x14}}, 0x0) [ 2337.823638] nbd: must specify a size in bytes for the device [ 2337.875068] nbd: must specify at least one socket 23:41:54 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x800) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r3, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9b}, @NBD_ATTR_SOCKETS={0x80, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x20048040}, 0x8008000) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000180)={0xa0, r3, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9b}, @NBD_ATTR_SOCKETS={0x80, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0xa0}, 0x1, 0x0, 0x0, 0x20048040}, 0x8008000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2337.925740] nbd: must specify at least one socket 23:41:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 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$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r6, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:crontab_exec_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x59d2788c0ef0eb84}, 0x20040014) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="200261f321605b184c8ade764c8f3ae736f0eedd049c7f0000003eb4be8ceb70f43ac510fc943446d216bff21262055b5641f80b515b1ac2", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:54 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14e7ff00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 2337.946303] nbd: must specify at least one socket [ 2337.964722] nbd: must specify a size in bytes for the device 23:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x24}}, 0x0) [ 2338.011762] nbd: must specify at least one socket 23:41:54 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2356}]}, 0x3c}, 0x1, 0x0, 0x0, 0x22010004}, 0x8000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:54 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="97e189bb", @ANYRES16=r2, @ANYBLOB="0100000500002d5591e201"], 0x20}}, 0x0) 23:41:54 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r0) 23:41:54 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r6, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:crontab_exec_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x59d2788c0ef0eb84}, 0x20040014) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="200261f321605b184c8ade764c8f3ae736f0eedd049c7f0000003eb4be8ceb70f43ac510fc943446d216bff21262055b5641f80b515b1ac2", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14e7ff00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14e7ff00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) 23:41:54 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) 23:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) (async) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2356}]}, 0x3c}, 0x1, 0x0, 0x0, 0x22010004}, 0x8000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2338.125709] nbd: must specify a size in bytes for the device 23:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) r3 = socket$unix(0x1, 0x1, 0x0) recvmsg$unix(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/91, 0x5b}, {&(0x7f00000001c0)=""/139, 0x8b}, {&(0x7f0000000b40)=""/4096, 0x1000}, {&(0x7f0000000080)=""/38, 0x26}, {&(0x7f0000000280)=""/11, 0xb}, {&(0x7f0000001b40)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/94, 0x5e}, {&(0x7f0000000440)=""/84, 0x54}], 0x9}, 0x2) 23:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14e7ff00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14e7ff00", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) 23:41:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 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$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r6, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:crontab_exec_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x59d2788c0ef0eb84}, 0x20040014) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="200261f321605b184c8ade764c8f3ae736f0eedd049c7f0000003eb4be8ceb70f43ac510fc943446d216bff21262055b5641f80b515b1ac2", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:55 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r5, 0x800, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2356}]}, 0x3c}, 0x1, 0x0, 0x0, 0x22010004}, 0x8000) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) [ 2338.259073] nbd: must specify a size in bytes for the device 23:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) socket$unix(0x1, 0x1, 0x0) 23:41:55 executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) sendmsg$unix(r0, &(0x7f0000001340)={0x0, 0x0, 0x0}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x40) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000100), 0x20000) r8 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x53d9c0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r3, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:55 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r0, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) ioctl$RTC_WIE_ON(r1, 0x700f) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$DRM_IOCTL_AGP_ENABLE(r1, 0x40086432, &(0x7f0000000000)=0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x10) ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010) 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="000670", @ANYRES16=0x0, @ANYBLOB="010002000000000000000300ffff"], 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:55 executing program 5: r0 = accept$netrom(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @netrom}, [@remote, @rose, @remote, @netrom, @default, @bcast, @netrom, @rose]}, &(0x7f0000000000)=0x48) getsockopt$netrom_NETROM_T2(r0, 0x103, 0x2, &(0x7f0000000100)=0x7fff, &(0x7f0000000140)=0x4) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2338.474922] nbd: must specify a size in bytes for the device [ 2338.505694] nbd: must specify at least one socket [ 2338.512631] nbd: must specify at least one socket 23:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) ioctl$RTC_WIE_ON(r1, 0x700f) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) ioctl$DRM_IOCTL_AGP_ENABLE(r1, 0x40086432, &(0x7f0000000000)=0x1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x10) (async, rerun: 32) ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010) (rerun: 32) 23:41:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:55 executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) sendmsg$unix(r0, &(0x7f0000001340)={0x0, 0x0, 0x0}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x40) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000100), 0x20000) r8 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x53d9c0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r3, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) socket$unix(0x1, 0x5, 0x0) (async) sendmsg$unix(r0, &(0x7f0000001340)={0x0, 0x0, 0x0}, 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$nbd(&(0x7f0000000040), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x40) (async) openat$mice(0xffffffffffffff9c, &(0x7f0000000100), 0x20000) (async) openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x53d9c0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r3, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$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$netlbl_unlabel(&(0x7f00000001c0), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r5, 0x104, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x1c}, 0x1, 0x0, 0x0, 0x404c1}, 0x2000c001) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="30000040af601ef7604180dd2a124d6ea0fec2fbb5da63cfc13eef119efceb8d8fa7d782d1ddbe4e23c34c", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r6, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6gre0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_virt_wifi\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x10}}]}, 0x60}, 0x1, 0x0, 0x0, 0x54}, 0x80) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x30, r7, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x5}, 0x40) 23:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r6, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x58, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x2000c014) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 2338.595594] nbd: must specify at least one socket 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) [ 2338.650840] nbd: must specify at least one socket 23:41:55 executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) sendmsg$unix(r0, &(0x7f0000001340)={0x0, 0x0, 0x0}, 0x0) (async, rerun: 32) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000000c0), 0x40) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000100), 0x20000) (async) r8 = openat$mice(0xffffffffffffff9c, &(0x7f0000000140), 0x53d9c0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000300)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r3, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x6c}, 0x1, 0x0, 0x0, 0x8000}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2338.697724] nbd: must specify at least one socket 23:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) [ 2338.723649] nbd: must specify a size in bytes for the device [ 2338.738777] nbd: must specify at least one socket [ 2338.743747] nbd: must specify at least one socket [ 2338.761082] nbd: must specify at least one socket [ 2338.769200] nbd: must specify at least one socket 23:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) 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$netlbl_unlabel(&(0x7f00000001c0), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r5, 0x104, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x1c}, 0x1, 0x0, 0x0, 0x404c1}, 0x2000c001) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="30000040af601ef7604180dd2a124d6ea0fec2fbb5da63cfc13eef119efceb8d8fa7d782d1ddbe4e23c34c", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r6, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6gre0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_virt_wifi\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x10}}]}, 0x60}, 0x1, 0x0, 0x0, 0x54}, 0x80) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x30, r7, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x5}, 0x40) 23:41:55 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) [ 2338.776923] nbd: must specify at least one socket [ 2338.798000] nbd: must specify a size in bytes for the device [ 2338.806501] nbd: must specify at least one socket [ 2338.833348] nbd: must specify at least one socket [ 2338.849615] nbd: must specify at least one socket [ 2338.859947] nbd: must specify a size in bytes for the device [ 2338.867107] nbd: must specify at least one socket [ 2338.876679] nbd: must specify at least one socket [ 2338.895717] nbd: must specify at least one socket [ 2338.901204] nbd: must specify at least one socket [ 2338.913063] nbd: must specify at least one socket [ 2338.918039] nbd: must specify at least one socket [ 2338.924843] nbd: must specify at least one socket [ 2338.930466] nbd: must specify at least one socket [ 2338.935362] nbd: must specify at least one socket [ 2338.941373] nbd: must specify at least one socket [ 2338.946283] nbd: must specify at least one socket [ 2338.952045] nbd: must specify at least one socket [ 2338.956948] nbd: must specify at least one socket [ 2338.962772] nbd: must specify at least one socket [ 2338.967677] nbd: must specify at least one socket [ 2338.974213] nbd: must specify at least one socket [ 2338.979751] nbd: must specify at least one socket [ 2338.984673] nbd: must specify at least one socket [ 2338.990550] nbd: must specify at least one socket [ 2338.995447] nbd: must specify at least one socket 23:41:55 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) ioctl$RTC_WIE_ON(r1, 0x700f) (async) ioctl$RTC_WIE_ON(r1, 0x700f) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$DRM_IOCTL_AGP_ENABLE(r1, 0x40086432, &(0x7f0000000000)=0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x10) ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010) 23:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) 23:41:55 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:55 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$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) setsockopt$RDS_FREE_MR(r3, 0x114, 0x3, &(0x7f0000000000)={{0x7, 0x80000001}, 0x1}, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$netlbl_unlabel(&(0x7f00000001c0), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r5, 0x104, 0x70bd25, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x1c}, 0x1, 0x0, 0x0, 0x404c1}, 0x2000c001) (async) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000005c0)=ANY=[@ANYBLOB="30000040af601ef7604180dd2a124d6ea0fec2fbb5da63cfc13eef119efceb8d8fa7d782d1ddbe4e23c34c", @ANYRES16=r6, @ANYBLOB="0100000000000000000001000000050001000000000014000200fc0200"/42], 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r6, 0x200, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6gre0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_virt_wifi\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x10}}]}, 0x60}, 0x1, 0x0, 0x0, 0x54}, 0x80) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x30, r7, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x5}, 0x40) [ 2339.001426] nbd: must specify at least one socket [ 2339.006331] nbd: must specify at least one socket [ 2339.012005] nbd: must specify at least one socket [ 2339.016892] nbd: must specify at least one socket [ 2339.022700] nbd: must specify at least one socket [ 2339.027622] nbd: must specify at least one socket [ 2339.033420] nbd: must specify at least one socket 23:41:55 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}]}, 0x1c}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="ced3db5723fe14a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) ioctl$RNDCLEARPOOL(r3, 0x5206, &(0x7f0000000000)=0x6) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendto$unix(r4, &(0x7f0000000080)="210cecc65bcbcb00d4b60bf0f98611405896974a9f7099e0cbb59786e3221c6b4c98472068d605310e92e9ec2f48deb4f2fe467f8d8c05c3650a873708989a73b5c63d3c6e79b59ff8de146010821e01346de1f86665b035cc4650c91c6caa808b50f2255c31bf805cc8a987e581a0f1ec748663bea798cbf1c72618ae0cc67571c3", 0x82, 0x800, &(0x7f0000000140)=@file={0x0, './file0\x00'}, 0x6e) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000200)={0x1c, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}]}, 0x1c}}, 0x48040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r3) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r5) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) [ 2339.123984] nbd: must specify a size in bytes for the device [ 2339.143930] nbd: must specify at least one socket [ 2339.151357] nbd: must specify at least one socket [ 2339.169063] nbd: must specify at least one socket 23:41:56 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, 0x0, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) ioctl$RNDCLEARPOOL(r3, 0x5206, &(0x7f0000000000)=0x6) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendto$unix(r4, &(0x7f0000000080)="210cecc65bcbcb00d4b60bf0f98611405896974a9f7099e0cbb59786e3221c6b4c98472068d605310e92e9ec2f48deb4f2fe467f8d8c05c3650a873708989a73b5c63d3c6e79b59ff8de146010821e01346de1f86665b035cc4650c91c6caa808b50f2255c31bf805cc8a987e581a0f1ec748663bea798cbf1c72618ae0cc67571c3", 0x82, 0x800, &(0x7f0000000140)=@file={0x0, './file0\x00'}, 0x6e) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 2339.270256] nbd: must specify at least one socket 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="ced3db5723fe14a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, 0x0, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (rerun: 64) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) ioctl$RNDCLEARPOOL(r3, 0x5206, &(0x7f0000000000)=0x6) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async, rerun: 64) sendto$unix(r4, &(0x7f0000000080)="210cecc65bcbcb00d4b60bf0f98611405896974a9f7099e0cbb59786e3221c6b4c98472068d605310e92e9ec2f48deb4f2fe467f8d8c05c3650a873708989a73b5c63d3c6e79b59ff8de146010821e01346de1f86665b035cc4650c91c6caa808b50f2255c31bf805cc8a987e581a0f1ec748663bea798cbf1c72618ae0cc67571c3", 0x82, 0x800, &(0x7f0000000140)=@file={0x0, './file0\x00'}, 0x6e) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="ced3db5723fe14a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) [ 2339.415491] nbd: must specify at least one socket 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$SNDCTL_DSP_RESET(0xffffffffffffffff, 0x5000, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x125180) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r3, 0xc01064c2, &(0x7f0000000380)={0x0, 0x0, r3}) ioctl$DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE_FD(r4, 0xc01064c2, &(0x7f00000003c0)={0x0, 0x0, r4}) ioctl$DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL(r3, 0xc01864cd, &(0x7f0000000480)={&(0x7f0000000400)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r6, 0x0, r7, 0x0], &(0x7f0000000440)=[0x1, 0x3, 0x1, 0x0, 0x5, 0x3], 0xa, 0x1}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x70bd2d, 0x0, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6de}]}, 0x6c}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r8, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:56 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, 0x0, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0xb0, r3, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:semanage_store_t:s0\x00'}]}, 0xb0}, 0x1, 0x0, 0x0, 0x4}, 0x24000000) 23:41:56 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000ad6809eb796b1ae8000000000000fa01"], 0x20}}, 0x4) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c3eaa00fe00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:56 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, 0x0, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) 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$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x2, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}]}, 0x1c}}, 0x5) openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000030000002900070073797374656d5f753a6f626a6563745f723a69707461626c657300006547665f743a090000000000"], 0x40}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r7, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x98, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:netcontrol_device_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x20000010}, 0x44010) 23:41:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000ad6809eb796b1ae8000000000000fa01"], 0x20}}, 0x4) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:sshd_key_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x10) ioctl$PPPIOCSACTIVE(0xffffffffffffffff, 0x40107446, &(0x7f0000000380)={0x2, &(0x7f0000000340)=[{0x800, 0x7, 0x7f, 0x1}, {0x1, 0x8, 0x6, 0x5}]}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x20, 0xfffffffd}, 0x14}, 0x1, 0x0, 0x0, 0x24008080}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xc0, r5, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:ksm_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x40}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x35}}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000040}, 0x40) [ 2339.626641] nbd: must specify a size in bytes for the device [ 2339.644976] nbd: must specify at least one socket 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c3eaa00fe00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0x2c, r1, 0x300, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xec}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x2c}}, 0x840) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x50, 0x0, 0x100, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:devicekit_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010102}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000810}, 0x4) 23:41:56 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, 0x0, 0x400, 0x70bd2d}, 0x8}}, 0x24008000) 23:41:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000ad6809eb796b1ae8000000000000fa01"], 0x20}}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000ad6809eb796b1ae8000000000000fa01"], 0x20}}, 0x4) (async) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x60, r3, 0x800, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '*/]\\-[+'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xe11c}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="226cd4a12b2074b69930e7945707a3000000", @ANYRES16=r4, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:sshd_key_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x10) (async) ioctl$PPPIOCSACTIVE(0xffffffffffffffff, 0x40107446, &(0x7f0000000380)={0x2, &(0x7f0000000340)=[{0x800, 0x7, 0x7f, 0x1}, {0x1, 0x8, 0x6, 0x5}]}) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x20, 0xfffffffd}, 0x14}, 0x1, 0x0, 0x0, 0x24008080}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xc0, r5, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:ksm_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x40}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x35}}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000040}, 0x40) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000b2e6a32379cd9ea54dd29c1e6130b2da8f573c5865a5a529eb96137c9b898a0867bccfdb96e4d427099182479c1dfd462516cd8937e686457819b6e27d9a323ce3d4eb2e3e6bd520423c9bc9fdd0ab01423f838705dae9ea7d95bced0ae3048445b6d795e180f7b76b15df4b4f29d516f3adbaeaeb52b6ec6b021677752f89ee70b5c32edaf7431eab5fdb38afc12900baa9ca1c8723c3a470200494c2527638852a073cc2b9fb6942bb3cc5829ae0fc718f16baccaaa383016efcc0d124215e84"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r3, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4091) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c3eaa00fe00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:sshd_key_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x10) ioctl$PPPIOCSACTIVE(0xffffffffffffffff, 0x40107446, &(0x7f0000000380)={0x2, &(0x7f0000000340)=[{0x800, 0x7, 0x7f, 0x1}, {0x1, 0x8, 0x6, 0x5}]}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x20, 0xfffffffd}, 0x14}, 0x1, 0x0, 0x0, 0x24008080}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xc0, r5, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:ksm_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x40}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x35}}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000040}, 0x40) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x70, 0x0, 0x200, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:sshd_key_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1\x00'}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x10) (async) ioctl$PPPIOCSACTIVE(0xffffffffffffffff, 0x40107446, &(0x7f0000000380)={0x2, &(0x7f0000000340)=[{0x800, 0x7, 0x7f, 0x1}, {0x1, 0x8, 0x6, 0x5}]}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x20, 0xfffffffd}, 0x14}, 0x1, 0x0, 0x0, 0x24008080}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xc0, r5, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tetex_data_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:ksm_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x40}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x35}}]}, 0xc0}, 0x1, 0x0, 0x0, 0x4000040}, 0x40) (async) 23:41:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) prctl$PR_MCE_KILL(0x21, 0x1, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000006000004497bae0f70d8a568843dd18982900933ec22efc19b6487fcace40563a56b"], 0x14}}, 0x48040) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000180)) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[], 0x20}, 0x1, 0x0, 0x0, 0x404c040}, 0x0) 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x24008000) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000b2e6a32379cd9ea54dd29c1e6130b2da8f573c5865a5a529eb96137c9b898a0867bccfdb96e4d427099182479c1dfd462516cd8937e686457819b6e27d9a323ce3d4eb2e3e6bd520423c9bc9fdd0ab01423f838705dae9ea7d95bced0ae3048445b6d795e180f7b76b15df4b4f29d516f3adbaeaeb52b6ec6b021677752f89ee70b5c32edaf7431eab5fdb38afc12900baa9ca1c8723c3a470200494c2527638852a073cc2b9fb6942bb3cc5829ae0fc718f16baccaaa383016efcc0d124215e84"], 0x1c}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x34, r3, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x4091) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r2, 0xb33, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40000}, 0x40048c4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000200), r4) geteuid() 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x24008000) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r2, 0xb33, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40000}, 0x40048c4) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000200), r4) (async) geteuid() 23:41:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) prctl$PR_MCE_KILL(0x21, 0x1, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000006000004497bae0f70d8a568843dd18982900933ec22efc19b6487fcace40563a56b"], 0x14}}, 0x48040) (async, rerun: 64) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000180)) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[], 0x20}, 0x1, 0x0, 0x0, 0x404c040}, 0x0) 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x24008000) [ 2339.858089] nbd: must specify at least one socket [ 2339.874228] nbd: must specify at least one socket 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), r0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYRES16=r4, @ANYRES32=r3, @ANYRES8=r4], 0x44}}, 0x20008090) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa3626a14b6db9e9221227e9a5896378f5e58cefa509dae200000000c9b61da61b9bb6e86426a54678be1cc5eb6a0d7651362572459a8cf0baf4404e6de33ee7d7c4f074ef28c15c67ab495298438e"], 0x20}}, 0x0) 23:41:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) prctl$PR_MCE_KILL(0x21, 0x1, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0000000000000000000006000004497bae0f70d8a568843dd18982900933ec22efc19b6487fcace40563a56b"], 0x14}}, 0x48040) (async) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000180)) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[], 0x20}, 0x1, 0x0, 0x0, 0x404c040}, 0x0) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) recvfrom$netrom(0xffffffffffffffff, &(0x7f0000000340)=""/189, 0xbd, 0x10000, &(0x7f0000000400)={{0x3, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}}, [@null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @default, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x48) setsockopt$netrom_NETROM_T1(0xffffffffffffffff, 0x103, 0x1, &(0x7f0000000300)=0x96, 0x4) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x44103011}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x70, r1, 0x300, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x70}}, 0x0) r3 = accept4$netrom(0xffffffffffffffff, 0x0, &(0x7f0000000600), 0x400) getsockopt$netrom_NETROM_IDLE(r3, 0x103, 0x7, &(0x7f0000000640)=0x9, &(0x7f0000000680)=0x4) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r5, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x58, 0x0, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:fsadm_exec_t:s0\x00'}]}, 0x58}, 0x1, 0x0, 0x0, 0x810}, 0x40) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000200)={&(0x7f0000000480)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="040028bd7000fcdbdf0000000001000000000000000000000000b3e656d1bd33ca5056b84ca11c85"], 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x20040010) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) setsockopt$netrom_NETROM_T1(r8, 0x103, 0x1, &(0x7f00000006c0)=0x8, 0x4) sendmsg$NLBL_UNLABEL_C_STATICADD(r7, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x24008000) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x6c, r2, 0xb33, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x10001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '}'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '^'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x6c}, 0x1, 0x0, 0x0, 0x40000}, 0x40048c4) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000200), r4) (async) geteuid() [ 2339.963263] nbd: must specify at least one socket 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x24008000) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, 0x0, 0x2, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20000000}, 0x840) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) [ 2340.016993] nbd: must specify at least one socket 23:41:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) pipe2$9p(&(0x7f0000000000), 0x4000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:56 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 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$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, 0x0}, 0x24008000) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), 0xffffffffffffffff) syz_open_dev$char_usb(0xc, 0xb4, 0x5) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="06003d422300001d004300000001"], 0x14}}, 0x0) 23:41:56 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x54, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}]}, 0x54}}, 0x0) [ 2340.064071] nbd: must specify at least one socket [ 2340.078494] nbd: must specify at least one socket [ 2340.102914] nbd: must specify at least one socket 23:41:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x24008000) 23:41:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) accept$netrom(r2, &(0x7f0000000080)={{0x3, @rose}, [@netrom, @default, @rose, @netrom, @rose, @default, @netrom, @rose]}, &(0x7f0000000000)=0x48) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, r4, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x13}}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20004800}, 0x4008040) 23:41:56 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(&(0x7f0000000040), r0) pipe2$9p(&(0x7f0000000000), 0x4000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 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(&(0x7f0000000040), r0) (async) pipe2$9p(&(0x7f0000000000), 0x4000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) 23:41:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), 0xffffffffffffffff) syz_open_dev$char_usb(0xc, 0xb4, 0x5) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="06003d422300001d004300000001"], 0x14}}, 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$netlbl_unlabel(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_open_dev$char_usb(0xc, 0xb4, 0x5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="06003d422300001d004300000001"], 0x14}}, 0x0) (async) [ 2340.125820] nbd: must specify at least one socket [ 2340.142740] nbd: must specify at least one socket 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="575891dbc90fa6f751cf735061b8e6f5000000000000000b010000"], 0x14}}, 0x0) 23:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x68, r2, 0x0, 0x70bd2d, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x68}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x24008000) 23:41:57 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(&(0x7f0000000040), r0) pipe2$9p(&(0x7f0000000000), 0x4000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 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(&(0x7f0000000040), r0) (async) pipe2$9p(&(0x7f0000000000), 0x4000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="575891dbc90fa6f751cf735061b8e6f5000000000000000b010000"], 0x14}}, 0x0) 23:41:57 executing program 2: ioctl$PPPIOCATTCHAN(0xffffffffffffffff, 0x40047438, &(0x7f0000000000)=0x4) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) ioctl$PPPIOCSACTIVE(r3, 0x40107446, &(0x7f00000000c0)={0x4, &(0x7f0000000080)=[{0x3, 0x40, 0x9}, {0x3, 0xab, 0x5, 0xfc6}, {0xff, 0x2, 0x9, 0x1}, {0x3, 0x69, 0xde, 0x4}]}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f0000000100)={0x0, 0x0, r3}) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) [ 2340.172347] nbd: must specify at least one socket [ 2340.183930] nbd: must specify at least one socket [ 2340.209402] nbd: must specify at least one socket 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={0x0}}, 0x24008000) 23:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), 0xffffffffffffffff) (async, rerun: 32) syz_open_dev$char_usb(0xc, 0xb4, 0x5) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="06003d422300001d004300000001"], 0x14}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, 0x0, 0x0, 0x70bd2d}, 0x8}}, 0x24008000) [ 2340.274351] nbd: must specify at least one socket 23:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x9c1a02, 0x0) ioctl$PPPIOCSMAXCID(r1, 0x40047451, &(0x7f0000000040)=0x7fff) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)={0x3c, r3, 0x1, 0x0, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:event_device_t:s0\x00'}]}, 0x3c}}, 0x894) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) ioctl$PPPIOCSMRRU(r4, 0x4004743b, &(0x7f00000000c0)=0x80000000) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="575891dbc90fa6f751cf735061b8e6f5000000000000000b010000"], 0x14}}, 0x0) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000040)={&(0x7f0000000200)={0x90, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0xf}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}]}, 0x90}, 0x1, 0x0, 0x0, 0x880}, 0x4048040) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x48041}, 0x24008070) 23:41:57 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="030000a9a7fc5200000000000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x20044014) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="030000853dfc27880300", @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="08000000000000000000010000000c00050029000000000000000c00030084ffffffffffffff080001000000000008000100000000000c0005000001000000000000600008000500000000000000"], 0x54}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 2340.299714] nbd: must specify at least one socket [ 2340.312383] nbd: must specify at least one socket 23:41:57 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="030000a9a7fc5200000000000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x20044014) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="030000853dfc27880300", @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="030000a9a7fc5200000000000000"], 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x20044014) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="030000853dfc27880300", @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) (async) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x24008000) 23:41:57 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="030000a9a7fc5200000000000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x20044014) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="030000853dfc27880300", @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x68, r1, 0x1, 0x70bd2d, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x68}}, 0x0) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="08000000000000000000010000000c00050029000000000000000c00030084ffffffffffffff080001000000000008000100000000000c0005000001000000000000600008000500000000000000"], 0x54}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) [ 2340.386664] nbd: must specify at least one socket 23:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x48041}, 0x24008070) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000100)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="08000000000000000000010000000c00050029000000000000000c00030084ffffffffffffff080001000000000008000100000000000c0005000001000000000000600008000500000000000000"], 0x54}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 23:41:57 executing program 4: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="030000a9a7fc5200000000000000"], 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="030000a9a7fc5200000000000000"], 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x20044014) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, 0x0, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x20044014) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="030000853dfc27880300", @ANYRES16=r0, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) 23:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000340)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x30, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x850}, 0x40) sendmsg$SOCK_DIAG_BY_FAMILY(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000000), 0xc, &(0x7f00000002c0)={&(0x7f0000000080)={0x238, 0x14, 0x10, 0x70bd25, 0x25dfdbff, {0x1d, 0xff}, [@INET_DIAG_REQ_BYTECODE={0x3e, 0x1, "bc4d914ca8952d63be74e3faf1a851e64f0bd55a1d0ad5ee6d6c01cef95f882ede1f0e44829aefc29d441b9f61f1d3650faecc4461ada667e792"}, @INET_DIAG_REQ_BYTECODE={0x9a, 0x1, "7fcbc91fe1d0517fdfb791012a1befcd937c8982c31e3f89d6d160206d8542fe5fc9a9f4b2000257ab38b2657b74d193f4d5d5e9c30661f7e4e3d94585a583caabc5761f941705d010f704d035db94231426c26de55dbaca7240b28343e54b20735c2983457cde6d44482012a75328de82bb08e2165b64655b5b88cf327c1c761a2d525d4ad6061a13c3aef35e1870fc13a61017361d"}, @INET_DIAG_REQ_BYTECODE={0x74, 0x1, "fd29a79041a2c44f401642a4e46252de9de3cc28620c0e86e37093ce5b8e64efd323fdf2a82da5db7130dc7099c118919508d95d4d2f4f11c18a9d2c7a00575acd26413d3b243e5d2cbfb6aa53729008ab7f46c550c8cd216862520944f9558b573e7c828b2b766ddd2013f228c9bf29"}, @INET_DIAG_REQ_BYTECODE={0x47, 0x1, "935b3e3f7ccb6d86063bd0e8ff8cee336f487182bb97a7e6d6171a1b589bf366d3ef01ac30be420b0dedda5f04248c87d218b95b4d022f39af2c0d2559b171b5853184"}, @INET_DIAG_REQ_BYTECODE={0x8c, 0x1, "36b1ff945f1a32174fa27c5a23b0c645d1bf19ed4ecbd2ee216994d2edb34a2dac6c1c96ed6254970422b4e8eabd867e20a064bc294feac4e81e8dc69bda4b4ad6c3a0ea1e12291959a6f5141f6120f2fc0e743f10be486ea57126b107550372d624ecb25b8dac1f233cd992f84b88a6a3824ba1e121bc1442919129761b7eb727fb8de4d6a56fc2"}]}, 0x238}, 0x1, 0x0, 0x0, 0x4001}, 0x4048021) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000340)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x30, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x850}, 0x40) sendmsg$SOCK_DIAG_BY_FAMILY(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000000), 0xc, &(0x7f00000002c0)={&(0x7f0000000080)={0x238, 0x14, 0x10, 0x70bd25, 0x25dfdbff, {0x1d, 0xff}, [@INET_DIAG_REQ_BYTECODE={0x3e, 0x1, "bc4d914ca8952d63be74e3faf1a851e64f0bd55a1d0ad5ee6d6c01cef95f882ede1f0e44829aefc29d441b9f61f1d3650faecc4461ada667e792"}, @INET_DIAG_REQ_BYTECODE={0x9a, 0x1, "7fcbc91fe1d0517fdfb791012a1befcd937c8982c31e3f89d6d160206d8542fe5fc9a9f4b2000257ab38b2657b74d193f4d5d5e9c30661f7e4e3d94585a583caabc5761f941705d010f704d035db94231426c26de55dbaca7240b28343e54b20735c2983457cde6d44482012a75328de82bb08e2165b64655b5b88cf327c1c761a2d525d4ad6061a13c3aef35e1870fc13a61017361d"}, @INET_DIAG_REQ_BYTECODE={0x74, 0x1, "fd29a79041a2c44f401642a4e46252de9de3cc28620c0e86e37093ce5b8e64efd323fdf2a82da5db7130dc7099c118919508d95d4d2f4f11c18a9d2c7a00575acd26413d3b243e5d2cbfb6aa53729008ab7f46c550c8cd216862520944f9558b573e7c828b2b766ddd2013f228c9bf29"}, @INET_DIAG_REQ_BYTECODE={0x47, 0x1, "935b3e3f7ccb6d86063bd0e8ff8cee336f487182bb97a7e6d6171a1b589bf366d3ef01ac30be420b0dedda5f04248c87d218b95b4d022f39af2c0d2559b171b5853184"}, @INET_DIAG_REQ_BYTECODE={0x8c, 0x1, "36b1ff945f1a32174fa27c5a23b0c645d1bf19ed4ecbd2ee216994d2edb34a2dac6c1c96ed6254970422b4e8eabd867e20a064bc294feac4e81e8dc69bda4b4ad6c3a0ea1e12291959a6f5141f6120f2fc0e743f10be486ea57126b107550372d624ecb25b8dac1f233cd992f84b88a6a3824ba1e121bc1442919129761b7eb727fb8de4d6a56fc2"}]}, 0x238}, 0x1, 0x0, 0x0, 0x4001}, 0x4048021) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r1, 0x10, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x20000000000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '$:\\*%-)('}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0x74}, 0x1, 0x0, 0x0, 0x800}, 0x1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="000000f2deff5900000000000000c89ce52df86ab67e7aa8bf7e22c1"], 0x14}}, 0x0) 23:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x30, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x30}, 0x1, 0x0, 0x0, 0x48041}, 0x24008070) 23:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000340)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}]}, 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000003c0), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000480)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x30, r4, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x30}, 0x1, 0x0, 0x0, 0x850}, 0x40) sendmsg$SOCK_DIAG_BY_FAMILY(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000000), 0xc, &(0x7f00000002c0)={&(0x7f0000000080)={0x238, 0x14, 0x10, 0x70bd25, 0x25dfdbff, {0x1d, 0xff}, [@INET_DIAG_REQ_BYTECODE={0x3e, 0x1, "bc4d914ca8952d63be74e3faf1a851e64f0bd55a1d0ad5ee6d6c01cef95f882ede1f0e44829aefc29d441b9f61f1d3650faecc4461ada667e792"}, @INET_DIAG_REQ_BYTECODE={0x9a, 0x1, "7fcbc91fe1d0517fdfb791012a1befcd937c8982c31e3f89d6d160206d8542fe5fc9a9f4b2000257ab38b2657b74d193f4d5d5e9c30661f7e4e3d94585a583caabc5761f941705d010f704d035db94231426c26de55dbaca7240b28343e54b20735c2983457cde6d44482012a75328de82bb08e2165b64655b5b88cf327c1c761a2d525d4ad6061a13c3aef35e1870fc13a61017361d"}, @INET_DIAG_REQ_BYTECODE={0x74, 0x1, "fd29a79041a2c44f401642a4e46252de9de3cc28620c0e86e37093ce5b8e64efd323fdf2a82da5db7130dc7099c118919508d95d4d2f4f11c18a9d2c7a00575acd26413d3b243e5d2cbfb6aa53729008ab7f46c550c8cd216862520944f9558b573e7c828b2b766ddd2013f228c9bf29"}, @INET_DIAG_REQ_BYTECODE={0x47, 0x1, "935b3e3f7ccb6d86063bd0e8ff8cee336f487182bb97a7e6d6171a1b589bf366d3ef01ac30be420b0dedda5f04248c87d218b95b4d022f39af2c0d2559b171b5853184"}, @INET_DIAG_REQ_BYTECODE={0x8c, 0x1, "36b1ff945f1a32174fa27c5a23b0c645d1bf19ed4ecbd2ee216994d2edb34a2dac6c1c96ed6254970422b4e8eabd867e20a064bc294feac4e81e8dc69bda4b4ad6c3a0ea1e12291959a6f5141f6120f2fc0e743f10be486ea57126b107550372d624ecb25b8dac1f233cd992f84b88a6a3824ba1e121bc1442919129761b7eb727fb8de4d6a56fc2"}]}, 0x238}, 0x1, 0x0, 0x0, 0x4001}, 0x4048021) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:41:57 executing program 4: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='afs_protocol_error\x00', r0}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2340.492710] nbd: must specify at least one socket [ 2340.506315] nbd: must specify at least one socket [ 2340.532594] nbd: must specify at least one socket 23:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100501}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa4, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_1\x00'}, @NLBL_UNLABEL_A_SECCTX={0x30, 0x7, 'system_u:object_r:system_dbusd_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x4c041}, 0x8000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000005c0)=ANY=[@ANYBLOB="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"/335, @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2340.552218] nbd: must specify at least one socket 23:41:57 executing program 1: 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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x1c, 0x0, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x4044) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0x54, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1, 0x70bd28}, 0x14}}, 0x48040) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@bloom_filter={0x1e, 0x6, 0x7fff, 0x9, 0x0, 0xffffffffffffffff, 0x4, '\x00', 0x0, r5, 0x4, 0x3, 0x5, 0x5}, 0x48) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000002c0), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x50, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:klogd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x31}, 0x4006000) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x200, 0x0, 0xfffffffe}, 0x14}}, 0x2008000) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) ioctl$RTC_ALM_SET(r8, 0x40247007, &(0x7f0000000200)={0x2c, 0x0, 0x1016, 0x7, 0x9, 0xd4, 0x0, 0x7a}) 23:41:57 executing program 5: syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x1c, 0x0, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x4044) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0x54, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1, 0x70bd28}, 0x14}}, 0x48040) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@bloom_filter={0x1e, 0x6, 0x7fff, 0x9, 0x0, 0xffffffffffffffff, 0x4, '\x00', 0x0, r5, 0x4, 0x3, 0x5, 0x5}, 0x48) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000002c0), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x50, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:klogd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x31}, 0x4006000) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x200, 0x0, 0xfffffffe}, 0x14}}, 0x2008000) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) ioctl$RTC_ALM_SET(r8, 0x40247007, &(0x7f0000000200)={0x2c, 0x0, 0x1016, 0x7, 0x9, 0xd4, 0x0, 0x7a}) [ 2340.579150] nbd: must specify at least one socket 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:41:57 executing program 2: 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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x1c, 0x0, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x4044) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0x54, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1, 0x70bd28}, 0x14}}, 0x48040) r5 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000240)=@bloom_filter={0x1e, 0x6, 0x7fff, 0x9, 0x0, 0xffffffffffffffff, 0x4, '\x00', 0x0, r5, 0x4, 0x3, 0x5, 0x5}, 0x48) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000002c0), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r6, &(0x7f00000003c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x50, r7, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:klogd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'wg0\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x31}, 0x4006000) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x14, r3, 0x200, 0x0, 0xfffffffe}, 0x14}}, 0x2008000) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) ioctl$RTC_ALM_SET(r8, 0x40247007, &(0x7f0000000200)={0x2c, 0x0, 0x1016, 0x7, 0x9, 0xd4, 0x0, 0x7a}) 23:41:57 executing program 4: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='afs_protocol_error\x00', r0}, 0x10) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='afs_protocol_error\x00', r0}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:57 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100501}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa4, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_1\x00'}, @NLBL_UNLABEL_A_SECCTX={0x30, 0x7, 'system_u:object_r:system_dbusd_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x4c041}, 0x8000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000005c0)=ANY=[@ANYBLOB="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"/335, @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_init_net_socket$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_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100501}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa4, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_1\x00'}, @NLBL_UNLABEL_A_SECCTX={0x30, 0x7, 'system_u:object_r:system_dbusd_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x4c041}, 0x8000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000005c0)=ANY=[@ANYBLOB="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"/335, @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) [ 2340.608665] nbd: must specify at least one socket 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x68, r2, 0x1, 0x70bd2d, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x68}}, 0x0) 23:41:57 executing program 3: 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$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)={0x68, 0x0, 0x1, 0x70bd2d, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_macvtap\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x68}}, 0x0) 23:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (rerun: 32) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100501}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0xa4, r3, 0x400, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond_slave_1\x00'}, @NLBL_UNLABEL_A_SECCTX={0x30, 0x7, 'system_u:object_r:system_dbusd_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x4c041}, 0x8000) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000005c0)=ANY=[@ANYBLOB="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"/335, @ANYRES16=r5, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, 0x0, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'sit0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x44}, 0x1, 0x0, 0x0, 0x40150}, 0x4008000) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:57 executing program 2: seccomp$SECCOMP_SET_MODE_FILTER(0x1, 0x2, &(0x7f00000001c0)={0x5, &(0x7f0000000180)=[{0x4, 0x1, 0x0, 0xfffffffc}, {0x9, 0x6, 0x0, 0x5f54}, {0x6, 0x7, 0x2, 0x7}, {0x200, 0x6, 0xc1, 0x7}, {0x3, 0x4, 0x0, 0x9}]}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) ioctl$RNDADDENTROPY(0xffffffffffffffff, 0x40085203, &(0x7f0000000140)={0x5, 0x9, "6085ba3b37d2fd8783"}) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="8d84284201000000000000ac7c89b3fb036f7e715386caea96c685766ac33a8ca1e07892b7fdb0a7ff25afe0ac8c679b8741a8cad7486d0d7fd59786d7eee3ab87ac12f6968292b07c024c4be68b1b1d2c62e54b083a2174de7a06ebcf29b5cd8abe102adf4d4509c3e7d96a9fda782544c3aeccc4b1e240f57e6212d0cb9a8ce1d3ae1945c02db6732c672fce3b3a4a644b5dc94d3e0c703ba1e0a093697de166ed89353787d6f9"], 0x20}}, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) getsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000200)=0x1, &(0x7f0000000240)=0x4) [ 2340.691479] nbd: must specify at least one socket [ 2340.705004] nbd: must specify at least one socket 23:41:57 executing program 4: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='afs_protocol_error\x00', r0}, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rds(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e20, @broadcast}, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x5c, r4, 0x300, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010101}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24008000}, 0x40000) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r5, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x28}, 0x1, 0x0, 0x0, 0x40000}, 0x200400c4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$SOCK_DIAG_BY_FAMILY(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, 0x14, 0x200, 0x70bd2d, 0x25dfdbfe, {0xb, 0x9}}, 0x14}, 0x1, 0x0, 0x0, 0x20004014}, 0x4000000) r4 = syz_open_dev$audion(&(0x7f0000000080), 0x100000001, 0x200100) write$P9_ROPEN(r4, &(0x7f00000000c0)={0x18, 0x71, 0x1, {{0x40, 0x0, 0x5}, 0x1f}}, 0x18) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000700)={0x9c, 0x0, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:ssh_agent_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x4}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x9c}, 0x1, 0x0, 0x0, 0x20000090}, 0x20004000) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x28, r6, 0x1, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14}]}, 0x28}, 0x1, 0x0, 0x0, 0x408c0}, 0x8001) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x34, r8, 0x200, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x4015}, 0x400c080) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r10 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r10, 0xc0186419, 0x0) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(0xffffffffffffffff, 0xc01064bd, &(0x7f0000000300)={&(0x7f0000000240), 0x0, 0x0}) ioctl$DRM_IOCTL_MODE_DESTROYPROPBLOB(r10, 0xc00464be, &(0x7f0000000340)={r11}) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRESDEC=r9, @ANYRES32=r5], 0x20}}, 0x0) [ 2340.732505] nbd: must specify at least one socket 23:41:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, 0x0, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_SECCTX={0x20, 0x7, 'system_u:object_r:boot_t:s0\x00'}]}, 0x48}}, 0x4044000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r2, 0x1}, 0x14}}, 0x0) 23:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x10}}, 0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000140)=@base={0x11, 0x8, 0x7fff, 0x7fe, 0x1180, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x1}, 0x48) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x12181) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000001c0), 0x80c00) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) r9 = openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x151601) bind$unix(r8, &(0x7f0000000380)=@file={0x0, './file0\x00'}, 0x6e) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x1d, 0x5, &(0x7f0000000300)=ANY=[@ANYBLOB="18000000ff0f000000000000433b177b183101000200000000000000000000009500000000000000f6e6775f01ec47201871d936a6f894bf46d2358675dc1ff80275"], &(0x7f0000000080)='syzkaller\x00', 0x80000000, 0x0, 0x0, 0x40f00, 0x8, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x4, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x4, 0xf, 0x5, 0x8}, 0x10, 0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000240)=[r3, 0xffffffffffffffff, r8, r5, r6, r7, 0x1, 0xffffffffffffffff, r8, r9]}, 0x80) 23:41:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rds(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e20, @broadcast}, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) 23:41:57 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$char_usb(0xc, 0xb4, 0x9) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000200)=ANY=[@ANYBLOB="400000005dba26a94e146249d6044b5fa2f3c9b9abbf08525584b477cc100239cc5b81769208f149ec1b0f8f29c069825e8e388d21f116e3bdca62bed1fe442b46e4bf145df6df652789d9d4d52138a9776a322e3f6d52f464bb77e95be2cccb31f858682313e8eb4a5a56012b5b5d622783c5b08f6457e0a2ba058a5dd16a87f303fef802f539338cf7a28402149ab1af69d87b90656cdc493b3cf8b30a2bea146702f28415215f0429", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000002900070073797374656d5f753a6f626a6563745f723a69707461626c65735f636f6e665f743a733000000000"], 0x40}}, 0x0) 23:41:57 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010000a09955dd000000010000000800010000000000"], 0x1c}}, 0x0) [ 2340.795240] nbd: must specify at least one socket [ 2340.806058] nbd: must specify at least one socket [ 2340.827993] nbd: must specify at least one socket 23:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x10}}, 0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000140)=@base={0x11, 0x8, 0x7fff, 0x7fe, 0x1180, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x1}, 0x48) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x12181) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) (async) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000001c0), 0x80c00) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) (async) r9 = openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x151601) bind$unix(r8, &(0x7f0000000380)=@file={0x0, './file0\x00'}, 0x6e) (async) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x1d, 0x5, &(0x7f0000000300)=ANY=[@ANYBLOB="18000000ff0f000000000000433b177b183101000200000000000000000000009500000000000000f6e6775f01ec47201871d936a6f894bf46d2358675dc1ff80275"], &(0x7f0000000080)='syzkaller\x00', 0x80000000, 0x0, 0x0, 0x40f00, 0x8, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x4, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x4, 0xf, 0x5, 0x8}, 0x10, 0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000240)=[r3, 0xffffffffffffffff, r8, r5, r6, r7, 0x1, 0xffffffffffffffff, r8, r9]}, 0x80) [ 2340.877053] nbd: must specify at least one socket 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYRESHEX=0x0, @ANYRES16=r0, @ANYRES8=r2], 0x40}, 0x1, 0x0, 0x0, 0x4001}, 0x0) 23:41:57 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$unix(r1, &(0x7f0000000740)={&(0x7f0000000280)=@abs, 0x6e, &(0x7f0000000780)=[{&(0x7f0000000100)=""/190, 0xbe}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {&(0x7f0000000300)=""/32, 0xfffffed7}, {&(0x7f0000000340)=""/188, 0xbc}, {&(0x7f00000005c0)=""/73, 0x49}, {&(0x7f0000000880)=""/245, 0xe5}, {&(0x7f0000000640)=""/232, 0xe8}, {&(0x7f0000000540)=""/125, 0x7d}], 0xf}, 0x0) accept$unix(r0, &(0x7f0000000040)=@abs, &(0x7f00000000c0)=0x6e) syz_init_net_socket$netrom(0x6, 0x5, 0x0) 23:41:57 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2340.897856] nbd: must specify at least one socket 23:41:57 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$nl_generic(0x10, 0x3, 0x10) connect$rds(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e20, @broadcast}, 0x10) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (rerun: 32) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x28, r6, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000805}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) r8 = syz_open_dev$audion(&(0x7f00000000c0), 0x8000000000000001, 0x238201) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r10 = syz_open_dev$audion(&(0x7f0000000140), 0x40, 0x4400) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r12 = openat$mice(0xffffffffffffff9c, &(0x7f00000001c0), 0x80082) r13 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) openat$cgroup_procs(r13, &(0x7f00000006c0)='cgroup.procs\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r13, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000300)={0xb8, r7, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8}, {0x8}, {0x8, 0x1, r13}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0xb8}}, 0x4040000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r14, @ANYRES32=r1], 0x20}}, 0x20044890) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r15, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r16 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000005c0), r5) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r15, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x14, r16, 0x100, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20042051}, 0x8044) [ 2340.918928] nbd: must specify at least one socket 23:41:57 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x28, r6, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000805}, 0x0) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) r8 = syz_open_dev$audion(&(0x7f00000000c0), 0x8000000000000001, 0x238201) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r10 = syz_open_dev$audion(&(0x7f0000000140), 0x40, 0x4400) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r12 = openat$mice(0xffffffffffffff9c, &(0x7f00000001c0), 0x80082) r13 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) openat$cgroup_procs(r13, &(0x7f00000006c0)='cgroup.procs\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r13, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f0000000300)={0xb8, r7, 0x4, 0x70bd2c, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x54, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}, {0x8, 0x1, r9}, {0x8}, {0x8}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r12}, {0x8}, {0x8}, {0x8, 0x1, r13}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0xb8}}, 0x4040000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r14, @ANYRES32=r1], 0x20}}, 0x20044890) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r15, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r16 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000005c0), r5) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r15, &(0x7f0000000680)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x14, r16, 0x100, 0x70bd27, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x20042051}, 0x8044) 23:41:57 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x10}}, 0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000140)=@base={0x11, 0x8, 0x7fff, 0x7fe, 0x1180, 0x1, 0x2, '\x00', 0x0, 0xffffffffffffffff, 0x1}, 0x48) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x12181) (async) r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000), 0x12181) ioctl$DRM_IOCTL_MAP_BUFS(r5, 0xc0186419, 0x0) r6 = openat$mice(0xffffffffffffff9c, &(0x7f00000001c0), 0x80c00) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) r7 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r7, 0xc0186419, 0x0) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r8, 0xc0186419, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x151601) (async) r9 = openat$mice(0xffffffffffffff9c, &(0x7f0000000200), 0x151601) bind$unix(r8, &(0x7f0000000380)=@file={0x0, './file0\x00'}, 0x6e) bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000280)=@bpf_lsm={0x1d, 0x5, &(0x7f0000000300)=ANY=[@ANYBLOB="18000000ff0f000000000000433b177b183101000200000000000000000000009500000000000000f6e6775f01ec47201871d936a6f894bf46d2358675dc1ff80275"], &(0x7f0000000080)='syzkaller\x00', 0x80000000, 0x0, 0x0, 0x40f00, 0x8, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, &(0x7f00000000c0)={0x4, 0x2}, 0x8, 0x10, &(0x7f0000000100)={0x4, 0xf, 0x5, 0x8}, 0x10, 0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000240)=[r3, 0xffffffffffffffff, r8, r5, r6, r7, 0x1, 0xffffffffffffffff, r8, r9]}, 0x80) [ 2340.967776] nbd: must specify at least one socket [ 2340.973987] nbd: must specify at least one socket [ 2340.979629] nbd: must specify at least one socket [ 2340.984620] nbd: must specify at least one socket [ 2340.990500] nbd: must specify at least one socket [ 2340.996620] nbd: must specify at least one socket [ 2341.008278] nbd: must specify at least one socket 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), r1) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000693cdfe3000000030000002900070073797374526d5f75077718183a6f626a6563745f723a69707461626c65735f636f6e665f743a733000000000"], 0x40}}, 0x0) 23:41:57 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40082000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x44, 0x0, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40040}, 0x20000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r4, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010100}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apt_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x88}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000001) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000b00)={0x0, 0x13, &(0x7f0000000000)={&(0x7f0000000000)=ANY=[], 0x1c}}, 0x40040) 23:41:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2341.021008] nbd: must specify at least one socket [ 2341.026135] nbd: must specify at least one socket [ 2341.060266] nbd: must specify at least one socket 23:41:57 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r5, 0x200, 0x3, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x24000000}, 0x40000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) [ 2341.072836] nbd: must specify at least one socket [ 2341.088373] nbd: must specify at least one socket [ 2341.099263] nbd: must specify a size in bytes for the device [ 2341.117217] nbd: must specify at least one socket [ 2341.125562] nbd: must specify at least one socket [ 2341.144751] nbd: must specify at least one socket [ 2341.151715] nbd: must specify at least one socket [ 2341.156606] nbd: must specify at least one socket [ 2341.161771] nbd: must specify at least one socket [ 2341.166707] nbd: must specify at least one socket [ 2341.171980] nbd: must specify at least one socket [ 2341.176881] nbd: must specify at least one socket [ 2341.181894] nbd: must specify at least one socket [ 2341.186792] nbd: must specify at least one socket [ 2341.191819] nbd: must specify at least one socket [ 2341.196730] nbd: must specify at least one socket [ 2341.201704] nbd: must specify at least one socket [ 2341.206601] nbd: must specify at least one socket [ 2341.211582] nbd: must specify at least one socket [ 2341.216484] nbd: must specify at least one socket [ 2341.221487] nbd: must specify at least one socket [ 2341.226386] nbd: must specify at least one socket [ 2341.231359] nbd: must specify at least one socket [ 2341.236268] nbd: must specify at least one socket 23:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000040)={&(0x7f0000000200)={0xc4, r2, 0x200, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x25, 0x7, 'system_u:object_r:getty_log_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0xc4}, 0x1, 0x0, 0x0, 0xc0}, 0x24000010) sendmsg$NLBL_UNLABEL_C_STATICADD(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:iptables_conf_t:s0\x00'}]}, 0x40}}, 0x0) 23:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40082000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x44, 0x0, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40040}, 0x20000000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) (rerun: 32) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async, rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r4, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010100}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apt_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x88}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000001) (rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000b00)={0x0, 0x13, &(0x7f0000000000)={&(0x7f0000000000)=ANY=[], 0x1c}}, 0x40040) 23:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r5, 0x200, 0x3, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x24000000}, 0x40000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xfffffffffffffed7, &(0x7f0000000000)={&(0x7f0000000080)={0xe7, r5, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xfffffffffffffd8d, 0x5, 0xe}]}, 0xfffffffffffffd16}}, 0x400c011) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xfffffffffffffed7, &(0x7f0000000000)={&(0x7f0000000080)={0xe7, r5, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xfffffffffffffd8d, 0x5, 0xe}]}, 0xfffffffffffffd16}}, 0x400c011) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYRES64=r0, @ANYRES16=r1, @ANYRES32=r3], 0x14}, 0x1, 0x0, 0x0, 0x40400}, 0x9c1c8cf7950488) 23:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYRES64=r0, @ANYRES16=r1, @ANYRES32=r3], 0x14}, 0x1, 0x0, 0x0, 0x40400}, 0x9c1c8cf7950488) (rerun: 32) 23:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$audion(&(0x7f0000000000), 0x3, 0x400) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=r1, @ANYBLOB="010000e900000000000001000000"], 0x14}}, 0x10) 23:41:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r5, 0x200, 0x3, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x24000000}, 0x40000) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) (fail_nth: 1) [ 2341.810091] nbd: must specify a size in bytes for the device [ 2341.826697] nbd: must specify a size in bytes for the device [ 2341.839430] nbd: must specify a size in bytes for the device [ 2341.846363] nbd: must specify a size in bytes for the device 23:41:58 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYRES64=r0, @ANYRES16=r1, @ANYRES32=r3], 0x14}, 0x1, 0x0, 0x0, 0x40400}, 0x9c1c8cf7950488) 23:41:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 1) [ 2341.879651] nbd: must specify at least one socket 23:41:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 1) [ 2341.913575] FAULT_INJECTION: forcing a failure. [ 2341.913575] name failslab, interval 1, probability 0, space 0, times 0 [ 2341.929770] FAULT_INJECTION: forcing a failure. [ 2341.929770] name failslab, interval 1, probability 0, space 0, times 0 [ 2341.946881] CPU: 1 PID: 28298 Comm: syz-executor.2 Not tainted 4.14.307-syzkaller #0 [ 2341.954788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2341.958071] FAULT_INJECTION: forcing a failure. [ 2341.958071] name failslab, interval 1, probability 0, space 0, times 0 [ 2341.964139] Call Trace: [ 2341.964160] dump_stack+0x1b2/0x281 [ 2341.964179] should_fail.cold+0x10a/0x149 [ 2341.964196] should_failslab+0xd6/0x130 [ 2341.964225] kmem_cache_alloc_node+0x263/0x410 [ 2341.964241] __alloc_skb+0x5c/0x510 [ 2341.964257] netlink_sendmsg+0x927/0xbc0 [ 2341.964276] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.005914] ? kernel_recvmsg+0x210/0x210 [ 2342.010059] ? security_socket_sendmsg+0x83/0xb0 [ 2342.014806] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.018776] sock_sendmsg+0xb5/0x100 [ 2342.022510] ___sys_sendmsg+0x6c8/0x800 [ 2342.026486] ? get_pid_task+0x91/0x130 [ 2342.030377] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2342.035132] ? lock_downgrade+0x740/0x740 [ 2342.039278] ? __fget+0x23e/0x3e0 [ 2342.042725] ? lock_acquire+0x170/0x3f0 [ 2342.046694] ? lock_downgrade+0x740/0x740 [ 2342.050856] ? __fget+0x265/0x3e0 [ 2342.054306] ? __fdget+0x19b/0x1f0 [ 2342.057842] ? sockfd_lookup_light+0xb2/0x160 [ 2342.062329] __sys_sendmsg+0xa3/0x120 [ 2342.066211] ? SyS_shutdown+0x160/0x160 [ 2342.070178] ? wait_for_completion_io+0x10/0x10 [ 2342.074845] ? SyS_read+0x210/0x210 [ 2342.078489] ? __do_page_fault+0x159/0xad0 [ 2342.082720] SyS_sendmsg+0x27/0x40 [ 2342.086254] ? __sys_sendmsg+0x120/0x120 [ 2342.090311] do_syscall_64+0x1d5/0x640 [ 2342.094199] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2342.099380] RIP: 0033:0x7fa4e4bf50f9 [ 2342.103079] RSP: 002b:00007fa4e3167168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 23:41:58 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r2, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40082000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x44, 0x0, 0x100, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @loopback}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40040}, 0x20000000) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r1) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r4, 0x300, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010100}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'caif0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:apt_exec_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x88}, 0x1, 0x0, 0x0, 0x20040000}, 0x20000001) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000b00)={0x0, 0x13, &(0x7f0000000000)={&(0x7f0000000000)=ANY=[], 0x1c}}, 0x40040) [ 2342.110792] RAX: ffffffffffffffda RBX: 00007fa4e4d14f80 RCX: 00007fa4e4bf50f9 [ 2342.118074] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000004 [ 2342.125339] RBP: 00007fa4e31671d0 R08: 0000000000000000 R09: 0000000000000000 [ 2342.132605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2342.139868] R13: 00007ffd0f93b23f R14: 00007fa4e3167300 R15: 0000000000022000 [ 2342.147146] CPU: 0 PID: 28304 Comm: syz-executor.1 Not tainted 4.14.307-syzkaller #0 [ 2342.155037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 23:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, 0x0, 0x202, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dummy0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x28, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008005}, 0x40080) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r4, 0x3ce4af1606a363e5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2c208820}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x34, r6, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xab44}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, 'dummy0\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x90}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x44, r7, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x20008800) [ 2342.164395] Call Trace: [ 2342.167000] dump_stack+0x1b2/0x281 [ 2342.170639] should_fail.cold+0x10a/0x149 [ 2342.174794] should_failslab+0xd6/0x130 [ 2342.178775] kmem_cache_alloc_node+0x263/0x410 [ 2342.183370] __alloc_skb+0x5c/0x510 [ 2342.187008] netlink_sendmsg+0x927/0xbc0 [ 2342.191075] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.195057] ? kernel_recvmsg+0x210/0x210 [ 2342.196508] nbd: must specify a size in bytes for the device [ 2342.199219] ? security_socket_sendmsg+0x83/0xb0 [ 2342.199231] ? nlmsg_notify+0x1b0/0x1b0 23:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x8c, 0x0, 0x100, 0x70bd29, 0x1000, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4001}, 0x40000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$PPPIOCSMRRU(0xffffffffffffffff, 0x4004743b, &(0x7f0000000000)=0xfffffffa) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, 0x0, 0x202, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dummy0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x28, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008005}, 0x40080) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r4, 0x3ce4af1606a363e5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2c208820}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x34, r6, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xab44}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, 'dummy0\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x90}, 0x20000000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x44, r7, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x20008800) [ 2342.199242] sock_sendmsg+0xb5/0x100 [ 2342.199255] ___sys_sendmsg+0x6c8/0x800 [ 2342.199266] ? get_pid_task+0x91/0x130 [ 2342.199277] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2342.199292] ? lock_downgrade+0x740/0x740 [ 2342.199306] ? __fget+0x23e/0x3e0 [ 2342.199319] ? lock_acquire+0x170/0x3f0 [ 2342.199332] ? lock_downgrade+0x740/0x740 [ 2342.199347] ? __fget+0x265/0x3e0 [ 2342.199364] ? __fdget+0x19b/0x1f0 [ 2342.199376] ? sockfd_lookup_light+0xb2/0x160 [ 2342.199389] __sys_sendmsg+0xa3/0x120 [ 2342.199400] ? SyS_shutdown+0x160/0x160 23:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x8c, 0x0, 0x100, 0x70bd29, 0x1000, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4001}, 0x40000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$PPPIOCSMRRU(0xffffffffffffffff, 0x4004743b, &(0x7f0000000000)=0xfffffffa) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x8c, 0x0, 0x100, 0x70bd29, 0x1000, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4001}, 0x40000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) ioctl$PPPIOCSMRRU(0xffffffffffffffff, 0x4004743b, &(0x7f0000000000)=0xfffffffa) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) [ 2342.199413] ? wait_for_completion_io+0x10/0x10 [ 2342.199431] ? SyS_read+0x210/0x210 [ 2342.269195] nla_parse: 14 callbacks suppressed [ 2342.269203] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2342.269805] SyS_sendmsg+0x27/0x40 [ 2342.269817] ? __sys_sendmsg+0x120/0x120 [ 2342.269829] do_syscall_64+0x1d5/0x640 [ 2342.269848] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2342.275850] nbd: must specify at least one socket [ 2342.278070] RIP: 0033:0x7ff945fc50f9 23:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x28, 0x0, 0x202, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'dummy0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x80) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x28, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x20008005}, 0x40080) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r4, 0x3ce4af1606a363e5, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008800}, 0x0) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2c208820}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x34, r6, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xab44}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, 'dummy0\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x34}, 0x1, 0x0, 0x0, 0x90}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r2) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x44, r7, 0x200, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000010}, 0x20008800) [ 2342.278077] RSP: 002b:00007ff944537168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2342.278091] RAX: ffffffffffffffda RBX: 00007ff9460e4f80 RCX: 00007ff945fc50f9 [ 2342.278098] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 [ 2342.278106] RBP: 00007ff9445371d0 R08: 0000000000000000 R09: 0000000000000000 [ 2342.278113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2342.278124] R13: 00007ffd296f477f R14: 00007ff944537300 R15: 0000000000022000 [ 2342.337417] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 23:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) (fail_nth: 2) [ 2342.359460] CPU: 0 PID: 28301 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 2342.372642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2342.381996] Call Trace: [ 2342.384590] dump_stack+0x1b2/0x281 [ 2342.388235] should_fail.cold+0x10a/0x149 [ 2342.392402] should_failslab+0xd6/0x130 [ 2342.393436] FAULT_INJECTION: forcing a failure. [ 2342.393436] name failslab, interval 1, probability 0, space 0, times 0 [ 2342.396396] kmem_cache_alloc_node+0x263/0x410 [ 2342.396412] __alloc_skb+0x5c/0x510 [ 2342.396427] netlink_sendmsg+0x927/0xbc0 [ 2342.396447] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.410170] nbd: must specify at least one socket [ 2342.412395] ? kernel_recvmsg+0x210/0x210 [ 2342.412412] ? security_socket_sendmsg+0x83/0xb0 [ 2342.412423] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.412434] sock_sendmsg+0xb5/0x100 [ 2342.445454] ___sys_sendmsg+0x6c8/0x800 [ 2342.449463] ? get_pid_task+0x91/0x130 [ 2342.453349] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2342.458103] ? lock_downgrade+0x740/0x740 [ 2342.462243] ? __fget+0x23e/0x3e0 [ 2342.465687] ? lock_acquire+0x170/0x3f0 [ 2342.469651] ? lock_downgrade+0x740/0x740 [ 2342.473797] ? __fget+0x265/0x3e0 [ 2342.477258] ? __fdget+0x19b/0x1f0 [ 2342.480784] ? sockfd_lookup_light+0xb2/0x160 [ 2342.485267] __sys_sendmsg+0xa3/0x120 [ 2342.489064] ? SyS_shutdown+0x160/0x160 [ 2342.493057] ? wait_for_completion_io+0x10/0x10 [ 2342.497726] ? SyS_read+0x210/0x210 [ 2342.501347] SyS_sendmsg+0x27/0x40 [ 2342.504877] ? __sys_sendmsg+0x120/0x120 [ 2342.508932] do_syscall_64+0x1d5/0x640 [ 2342.512841] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2342.518039] RIP: 0033:0x7f84294730f9 [ 2342.521738] RSP: 002b:00007f84279e5168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2342.529444] RAX: ffffffffffffffda RBX: 00007f8429592f80 RCX: 00007f84294730f9 [ 2342.536700] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 [ 2342.543961] RBP: 00007f84279e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 2342.551221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2342.558488] R13: 00007ffec537506f R14: 00007f84279e5300 R15: 0000000000022000 [ 2342.565771] CPU: 1 PID: 28331 Comm: syz-executor.2 Not tainted 4.14.307-syzkaller #0 [ 2342.573662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2342.583044] Call Trace: [ 2342.585648] dump_stack+0x1b2/0x281 [ 2342.589299] should_fail.cold+0x10a/0x149 [ 2342.593457] should_failslab+0xd6/0x130 [ 2342.597445] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2342.602568] __kmalloc_node_track_caller+0x38/0x70 [ 2342.607510] __alloc_skb+0x96/0x510 [ 2342.611156] netlink_sendmsg+0x927/0xbc0 [ 2342.615250] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.619229] ? kernel_recvmsg+0x210/0x210 [ 2342.623387] ? security_socket_sendmsg+0x83/0xb0 [ 2342.628149] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.632126] sock_sendmsg+0xb5/0x100 [ 2342.635846] ___sys_sendmsg+0x6c8/0x800 [ 2342.639831] ? get_pid_task+0x91/0x130 [ 2342.643735] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2342.648507] ? lock_downgrade+0x740/0x740 [ 2342.652666] ? __fget+0x23e/0x3e0 [ 2342.656128] ? lock_acquire+0x170/0x3f0 [ 2342.660117] ? lock_downgrade+0x740/0x740 [ 2342.664295] ? __fget+0x265/0x3e0 [ 2342.667761] ? __fdget+0x19b/0x1f0 [ 2342.671303] ? sockfd_lookup_light+0xb2/0x160 [ 2342.675799] __sys_sendmsg+0xa3/0x120 [ 2342.679605] ? SyS_shutdown+0x160/0x160 [ 2342.683588] ? wait_for_completion_io+0x10/0x10 [ 2342.688275] ? SyS_read+0x210/0x210 [ 2342.691905] ? __do_page_fault+0x159/0xad0 [ 2342.696138] SyS_sendmsg+0x27/0x40 [ 2342.699670] ? __sys_sendmsg+0x120/0x120 [ 2342.703730] do_syscall_64+0x1d5/0x640 [ 2342.707612] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2342.712796] RIP: 0033:0x7fa4e4bf50f9 23:41:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)={0x8c, 0x0, 0x100, 0x70bd29, 0x1000, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'vlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4001}, 0x40000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) ioctl$PPPIOCSMRRU(0xffffffffffffffff, 0x4004743b, &(0x7f0000000000)=0xfffffffa) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) 23:41:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 2) 23:41:59 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="010000b9750000000042dcc2fb00"], 0x14}}, 0x0) 23:41:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 2) 23:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000000)) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2342.716493] RSP: 002b:00007fa4e3167168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2342.724204] RAX: ffffffffffffffda RBX: 00007fa4e4d14f80 RCX: 00007fa4e4bf50f9 [ 2342.731477] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000004 [ 2342.738740] RBP: 00007fa4e31671d0 R08: 0000000000000000 R09: 0000000000000000 [ 2342.746007] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2342.753262] R13: 00007ffd0f93b23f R14: 00007fa4e3167300 R15: 0000000000022000 23:41:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) (fail_nth: 3) 23:41:59 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="010000b9750000000042dcc2fb00"], 0x14}}, 0x0) [ 2342.817209] FAULT_INJECTION: forcing a failure. [ 2342.817209] name failslab, interval 1, probability 0, space 0, times 0 [ 2342.829704] nbd: must specify at least one socket [ 2342.844491] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2342.853715] FAULT_INJECTION: forcing a failure. [ 2342.853715] name failslab, interval 1, probability 0, space 0, times 0 23:41:59 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$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="810000000000000000fa01a58eb1b24a44362052b3ae788fff81693f188c1744a0e3dedc858ad8bd6d709c361b1557cd37aac081"], 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40040c1) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x6082c1, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$PPPIOCGIDLE(r4, 0x8010743f, &(0x7f0000000080)) [ 2342.857095] nbd: must specify at least one socket [ 2342.873486] CPU: 0 PID: 28344 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 2342.881397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2342.890753] Call Trace: [ 2342.893355] dump_stack+0x1b2/0x281 [ 2342.897020] should_fail.cold+0x10a/0x149 [ 2342.901183] should_failslab+0xd6/0x130 [ 2342.905181] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2342.910293] __kmalloc_node_track_caller+0x38/0x70 [ 2342.915244] __alloc_skb+0x96/0x510 [ 2342.918889] netlink_sendmsg+0x927/0xbc0 [ 2342.922996] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.926990] ? kernel_recvmsg+0x210/0x210 [ 2342.931134] ? security_socket_sendmsg+0x83/0xb0 [ 2342.935882] ? nlmsg_notify+0x1b0/0x1b0 [ 2342.939852] sock_sendmsg+0xb5/0x100 [ 2342.943564] ___sys_sendmsg+0x6c8/0x800 [ 2342.947534] ? get_pid_task+0x91/0x130 [ 2342.951409] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2342.956164] ? lock_downgrade+0x740/0x740 [ 2342.960311] ? __fget+0x23e/0x3e0 [ 2342.963790] ? lock_acquire+0x170/0x3f0 [ 2342.967779] ? lock_downgrade+0x740/0x740 [ 2342.971927] ? __fget+0x265/0x3e0 [ 2342.975371] ? __fdget+0x19b/0x1f0 [ 2342.978907] ? sockfd_lookup_light+0xb2/0x160 [ 2342.983488] __sys_sendmsg+0xa3/0x120 [ 2342.987280] ? SyS_shutdown+0x160/0x160 [ 2342.991248] ? wait_for_completion_io+0x10/0x10 [ 2342.995918] ? SyS_read+0x210/0x210 [ 2342.999540] SyS_sendmsg+0x27/0x40 [ 2343.003077] ? __sys_sendmsg+0x120/0x120 [ 2343.007128] do_syscall_64+0x1d5/0x640 [ 2343.011013] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2343.016196] RIP: 0033:0x7f84294730f9 [ 2343.019901] RSP: 002b:00007f84279e5168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2343.027599] RAX: ffffffffffffffda RBX: 00007f8429592f80 RCX: 00007f84294730f9 [ 2343.034864] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 [ 2343.042122] RBP: 00007f84279e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 2343.049390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2343.056698] R13: 00007ffec537506f R14: 00007f84279e5300 R15: 0000000000022000 [ 2343.063981] CPU: 1 PID: 28345 Comm: syz-executor.1 Not tainted 4.14.307-syzkaller #0 [ 2343.071874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2343.081238] Call Trace: [ 2343.083860] dump_stack+0x1b2/0x281 [ 2343.087517] should_fail.cold+0x10a/0x149 [ 2343.091675] should_failslab+0xd6/0x130 [ 2343.095706] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2343.100819] __kmalloc_node_track_caller+0x38/0x70 [ 2343.105884] __alloc_skb+0x96/0x510 [ 2343.109524] netlink_sendmsg+0x927/0xbc0 [ 2343.113599] ? nlmsg_notify+0x1b0/0x1b0 23:41:59 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="14000000", @ANYRES16, @ANYBLOB="010000b9750000000042dcc2fb00"], 0x14}}, 0x0) 23:41:59 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000000)) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="86939a1d09e11d7aec3208f16153c2ffef2ba74484eb5ccd8f7758ec190d0438336a5183754f22421123d8e9b86f6e24c11871aee2eb57a952e3a8bbd11dfd89ccd2e29a7a26cb786ee97a4e1f9bd8d964ca635bea84057e9ca66e76dc1781ad4e49153f2801a5e7bbe69c026eca3a228ed3b4342ee5b22700e7b87013030dceb91890930d78c911147e48a9559394c83aef7ade8e9d3880753a186142", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:41:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="86939a1d09e11d7aec3208f16153c2ffef2ba74484eb5ccd8f7758ec190d0438336a5183754f22421123d8e9b86f6e24c11871aee2eb57a952e3a8bbd11dfd89ccd2e29a7a26cb786ee97a4e1f9bd8d964ca635bea84057e9ca66e76dc1781ad4e49153f2801a5e7bbe69c026eca3a228ed3b4342ee5b22700e7b87013030dceb91890930d78c911147e48a9559394c83aef7ade8e9d3880753a186142", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) [ 2343.117581] ? kernel_recvmsg+0x210/0x210 [ 2343.121734] ? security_socket_sendmsg+0x83/0xb0 [ 2343.126506] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.130489] sock_sendmsg+0xb5/0x100 [ 2343.134207] ___sys_sendmsg+0x6c8/0x800 [ 2343.138203] ? get_pid_task+0x91/0x130 [ 2343.142127] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2343.146138] nbd: must specify at least one socket [ 2343.146899] ? lock_downgrade+0x740/0x740 [ 2343.146917] ? __fget+0x23e/0x3e0 [ 2343.146932] ? lock_acquire+0x170/0x3f0 [ 2343.163309] ? lock_downgrade+0x740/0x740 23:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000000)) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD_FD(0xffffffffffffffff, 0xc01064c1, &(0x7f0000000000)) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) [ 2343.167474] ? __fget+0x265/0x3e0 [ 2343.170944] ? __fdget+0x19b/0x1f0 [ 2343.174497] ? sockfd_lookup_light+0xb2/0x160 [ 2343.179004] __sys_sendmsg+0xa3/0x120 [ 2343.182819] ? SyS_shutdown+0x160/0x160 [ 2343.186802] ? wait_for_completion_io+0x10/0x10 [ 2343.191532] ? SyS_read+0x210/0x210 [ 2343.195186] SyS_sendmsg+0x27/0x40 [ 2343.198780] ? __sys_sendmsg+0x120/0x120 [ 2343.202889] do_syscall_64+0x1d5/0x640 [ 2343.206790] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2343.211984] RIP: 0033:0x7ff945fc50f9 [ 2343.215730] RSP: 002b:00007ff944537168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2343.223444] RAX: ffffffffffffffda RBX: 00007ff9460e4f80 RCX: 00007ff945fc50f9 [ 2343.230719] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 [ 2343.237995] RBP: 00007ff9445371d0 R08: 0000000000000000 R09: 0000000000000000 [ 2343.245280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2343.252555] R13: 00007ffd296f477f R14: 00007ff944537300 R15: 0000000000022000 [ 2343.262842] nbd: must specify at least one socket 23:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 3) 23:42:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="86939a1d09e11d7aec3208f16153c2ffef2ba74484eb5ccd8f7758ec190d0438336a5183754f22421123d8e9b86f6e24c11871aee2eb57a952e3a8bbd11dfd89ccd2e29a7a26cb786ee97a4e1f9bd8d964ca635bea84057e9ca66e76dc1781ad4e49153f2801a5e7bbe69c026eca3a228ed3b4342ee5b22700e7b87013030dceb91890930d78c911147e48a9559394c83aef7ade8e9d3880753a186142", @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="3bfb0008", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x8}}, 0x0) 23:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 3) 23:42:00 executing program 0: 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$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="810000000000000000fa01a58eb1b24a44362052b3ae788fff81693f188c1744a0e3dedc858ad8bd6d709c361b1557cd37aac081"], 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40040c1) (async) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x6082c1, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async) ioctl$PPPIOCGIDLE(r4, 0x8010743f, &(0x7f0000000080)) 23:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x20}}, 0x0) r3 = syz_init_net_socket$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) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r6, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:auditd_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gre0\x00'}]}, 0x70}}, 0x40) [ 2343.270404] nbd: must specify at least one socket 23:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="3bfb0008", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x8}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="3bfb0008", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x8}}, 0x0) (async) [ 2343.329872] nbd: must specify a size in bytes for the device [ 2343.342647] FAULT_INJECTION: forcing a failure. [ 2343.342647] name failslab, interval 1, probability 0, space 0, times 0 [ 2343.347472] nbd: must specify a size in bytes for the device [ 2343.357018] CPU: 0 PID: 28379 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 2343.364902] FAULT_INJECTION: forcing a failure. [ 2343.364902] name failslab, interval 1, probability 0, space 0, times 0 [ 2343.367577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2343.367582] Call Trace: [ 2343.367597] dump_stack+0x1b2/0x281 [ 2343.367616] should_fail.cold+0x10a/0x149 [ 2343.398462] should_failslab+0xd6/0x130 [ 2343.402436] kmem_cache_alloc_node+0x263/0x410 [ 2343.407012] __alloc_skb+0x5c/0x510 [ 2343.410634] netlink_ack+0x216/0x9a0 [ 2343.414346] ? netlink_sendmsg+0xbc0/0xbc0 [ 2343.418591] netlink_rcv_skb+0x2c5/0x390 [ 2343.422661] ? genl_family_rcv_msg+0xb20/0xb20 [ 2343.427235] ? netlink_ack+0x9a0/0x9a0 [ 2343.431117] ? lock_acquire+0x170/0x3f0 [ 2343.435101] genl_rcv+0x24/0x40 [ 2343.438378] netlink_unicast+0x437/0x610 [ 2343.442438] ? netlink_sendskb+0xd0/0xd0 [ 2343.446508] ? __check_object_size+0x179/0x230 [ 2343.451084] netlink_sendmsg+0x651/0xbc0 [ 2343.455157] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.459121] ? kernel_recvmsg+0x210/0x210 [ 2343.463278] ? security_socket_sendmsg+0x83/0xb0 [ 2343.468055] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.472033] sock_sendmsg+0xb5/0x100 [ 2343.475733] ___sys_sendmsg+0x6c8/0x800 [ 2343.479694] ? get_pid_task+0x91/0x130 [ 2343.483570] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2343.488329] ? lock_downgrade+0x740/0x740 [ 2343.492477] ? __fget+0x23e/0x3e0 [ 2343.495921] ? lock_acquire+0x170/0x3f0 [ 2343.499887] ? lock_downgrade+0x740/0x740 [ 2343.504041] ? __fget+0x265/0x3e0 [ 2343.507492] ? __fdget+0x19b/0x1f0 [ 2343.511022] ? sockfd_lookup_light+0xb2/0x160 [ 2343.515516] __sys_sendmsg+0xa3/0x120 [ 2343.519322] ? SyS_shutdown+0x160/0x160 [ 2343.523293] ? wait_for_completion_io+0x10/0x10 [ 2343.527966] ? SyS_read+0x210/0x210 [ 2343.531591] SyS_sendmsg+0x27/0x40 [ 2343.535127] ? __sys_sendmsg+0x120/0x120 [ 2343.539188] do_syscall_64+0x1d5/0x640 [ 2343.543087] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2343.548272] RIP: 0033:0x7f84294730f9 [ 2343.551977] RSP: 002b:00007f84279e5168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2343.559675] RAX: ffffffffffffffda RBX: 00007f8429592f80 RCX: 00007f84294730f9 [ 2343.566934] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 23:42:00 executing program 3: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) recvmsg$unix(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000140)=""/194, 0xc2}], 0x1, &(0x7f0000000240)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xa0}, 0x40012001) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r7) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r11 = syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x20e040) r12 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r12, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r9, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r13}, {0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\x88\xd1\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4044040}, 0x40000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="140000000680876d36222e6af0acf6bdc3118f353e9212980d01795811d4f730698d33a309ee654ad48c35c317ea5a27a2cefd73ee8d0d638d2622ca3e1d8431e47f6c4693269b0655f4e4515a898100dd70052329ee414ed30ff25b51a98c2b0e9b33d1beeb32e400da7835f063cc48fe578e8d", @ANYRES16=r14, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 4) [ 2343.574196] RBP: 00007f84279e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 2343.581467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2343.588728] R13: 00007ffec537506f R14: 00007f84279e5300 R15: 0000000000022000 [ 2343.596007] CPU: 1 PID: 28381 Comm: syz-executor.1 Not tainted 4.14.307-syzkaller #0 [ 2343.603903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2343.613261] Call Trace: [ 2343.615859] dump_stack+0x1b2/0x281 [ 2343.619496] should_fail.cold+0x10a/0x149 [ 2343.623656] should_failslab+0xd6/0x130 [ 2343.627644] kmem_cache_alloc_node+0x263/0x410 [ 2343.632253] __alloc_skb+0x5c/0x510 [ 2343.635890] netlink_ack+0x216/0x9a0 [ 2343.639613] ? netlink_sendmsg+0xbc0/0xbc0 [ 2343.643862] netlink_rcv_skb+0x2c5/0x390 [ 2343.647937] ? genl_family_rcv_msg+0xb20/0xb20 [ 2343.652527] ? netlink_ack+0x9a0/0x9a0 [ 2343.656377] nbd: must specify a size in bytes for the device [ 2343.656426] ? lock_acquire+0x170/0x3f0 [ 2343.666209] genl_rcv+0x24/0x40 [ 2343.669497] netlink_unicast+0x437/0x610 [ 2343.673568] ? netlink_sendskb+0xd0/0xd0 23:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x20}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) (rerun: 64) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r6, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:auditd_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gre0\x00'}]}, 0x70}}, 0x40) [ 2343.677639] ? __check_object_size+0x179/0x230 [ 2343.680684] FAULT_INJECTION: forcing a failure. [ 2343.680684] name failslab, interval 1, probability 0, space 0, times 0 [ 2343.682225] netlink_sendmsg+0x651/0xbc0 [ 2343.682241] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.682252] ? kernel_recvmsg+0x210/0x210 [ 2343.682272] ? security_socket_sendmsg+0x83/0xb0 [ 2343.710383] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.714369] sock_sendmsg+0xb5/0x100 [ 2343.718095] ___sys_sendmsg+0x6c8/0x800 [ 2343.722084] ? get_pid_task+0x91/0x130 [ 2343.725978] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2343.730741] ? lock_downgrade+0x740/0x740 [ 2343.734907] ? __fget+0x23e/0x3e0 [ 2343.738376] ? lock_acquire+0x170/0x3f0 [ 2343.742360] ? lock_downgrade+0x740/0x740 [ 2343.746518] ? __fget+0x265/0x3e0 [ 2343.749995] ? __fdget+0x19b/0x1f0 [ 2343.753539] ? sockfd_lookup_light+0xb2/0x160 [ 2343.758062] __sys_sendmsg+0xa3/0x120 [ 2343.761871] ? SyS_shutdown+0x160/0x160 [ 2343.765850] ? wait_for_completion_io+0x10/0x10 [ 2343.770545] ? SyS_read+0x210/0x210 [ 2343.774189] SyS_sendmsg+0x27/0x40 [ 2343.777741] ? __sys_sendmsg+0x120/0x120 [ 2343.781807] do_syscall_64+0x1d5/0x640 [ 2343.785714] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2343.790905] RIP: 0033:0x7ff945fc50f9 [ 2343.794610] RSP: 002b:00007ff944537168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2343.802321] RAX: ffffffffffffffda RBX: 00007ff9460e4f80 RCX: 00007ff945fc50f9 [ 2343.805749] nbd: must specify at least one socket [ 2343.809605] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 [ 2343.809613] RBP: 00007ff9445371d0 R08: 0000000000000000 R09: 0000000000000000 23:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)=ANY=[@ANYBLOB="3bfb0008", @ANYRES16=0x0, @ANYBLOB="0000000000000000000001000000"], 0x8}}, 0x0) [ 2343.809621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2343.809629] R13: 00007ffd296f477f R14: 00007ff944537300 R15: 0000000000022000 [ 2343.842448] CPU: 1 PID: 28395 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 2343.851773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2343.861124] Call Trace: [ 2343.863717] dump_stack+0x1b2/0x281 [ 2343.867361] should_fail.cold+0x10a/0x149 [ 2343.871520] should_failslab+0xd6/0x130 [ 2343.875500] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2343.880618] __kmalloc_node_track_caller+0x38/0x70 [ 2343.885557] __alloc_skb+0x96/0x510 [ 2343.889209] netlink_ack+0x216/0x9a0 [ 2343.892943] ? netlink_sendmsg+0xbc0/0xbc0 [ 2343.897166] netlink_rcv_skb+0x2c5/0x390 [ 2343.901211] ? genl_family_rcv_msg+0xb20/0xb20 [ 2343.905789] ? netlink_ack+0x9a0/0x9a0 [ 2343.909661] ? lock_acquire+0x170/0x3f0 [ 2343.913628] genl_rcv+0x24/0x40 [ 2343.916925] netlink_unicast+0x437/0x610 [ 2343.920976] ? netlink_sendskb+0xd0/0xd0 [ 2343.925022] ? __check_object_size+0x179/0x230 [ 2343.929607] netlink_sendmsg+0x651/0xbc0 [ 2343.933668] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.937647] ? kernel_recvmsg+0x210/0x210 [ 2343.941790] ? security_socket_sendmsg+0x83/0xb0 [ 2343.946543] ? nlmsg_notify+0x1b0/0x1b0 [ 2343.950503] sock_sendmsg+0xb5/0x100 [ 2343.954200] ___sys_sendmsg+0x6c8/0x800 [ 2343.958164] ? get_pid_task+0x91/0x130 [ 2343.962038] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2343.966790] ? lock_downgrade+0x740/0x740 [ 2343.970928] ? __fget+0x23e/0x3e0 [ 2343.974366] ? lock_acquire+0x170/0x3f0 [ 2343.978334] ? lock_downgrade+0x740/0x740 [ 2343.982473] ? __fget+0x265/0x3e0 [ 2343.985913] ? __fdget+0x19b/0x1f0 [ 2343.989441] ? sockfd_lookup_light+0xb2/0x160 [ 2343.993922] __sys_sendmsg+0xa3/0x120 [ 2343.997708] ? SyS_shutdown+0x160/0x160 [ 2344.001667] ? wait_for_completion_io+0x10/0x10 [ 2344.006330] ? SyS_read+0x210/0x210 [ 2344.009945] SyS_sendmsg+0x27/0x40 [ 2344.013476] ? __sys_sendmsg+0x120/0x120 [ 2344.017525] do_syscall_64+0x1d5/0x640 [ 2344.021405] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2344.026598] RIP: 0033:0x7f84294730f9 23:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x20}}, 0x0) (async) r3 = syz_init_net_socket$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) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r4) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r6, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:auditd_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'gre0\x00'}]}, 0x70}}, 0x40) [ 2344.030294] RSP: 002b:00007f84279e5168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2344.037990] RAX: ffffffffffffffda RBX: 00007f8429592f80 RCX: 00007f84294730f9 [ 2344.045274] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 [ 2344.052526] RBP: 00007f84279e51d0 R08: 0000000000000000 R09: 0000000000000000 [ 2344.059779] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2344.067038] R13: 00007ffec537506f R14: 00007f84279e5300 R15: 0000000000022000 23:42:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 4) 23:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0000000080000000000000000000cc889ccbd56e55ee276909149ef261fc1f5af69a016c67aa2d"], 0x8}}, 0x0) 23:42:00 executing program 3: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) recvmsg$unix(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000140)=""/194, 0xc2}], 0x1, &(0x7f0000000240)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xa0}, 0x40012001) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r7) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r11 = syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x20e040) r12 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r12, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r9, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r13}, {0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\x88\xd1\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4044040}, 0x40000) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="140000000680876d36222e6af0acf6bdc3118f353e9212980d01795811d4f730698d33a309ee654ad48c35c317ea5a27a2cefd73ee8d0d638d2622ca3e1d8431e47f6c4693269b0655f4e4515a898100dd70052329ee414ed30ff25b51a98c2b0e9b33d1beeb32e400da7835f063cc48fe578e8d", @ANYRES16=r14, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) (async) recvmsg$unix(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000140)=""/194, 0xc2}], 0x1, &(0x7f0000000240)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xa0}, 0x40012001) (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$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r7) (async) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)) (async) syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x20e040) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r12, 0xc0186419, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r9, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r13}, {0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\x88\xd1\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4044040}, 0x40000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="140000000680876d36222e6af0acf6bdc3118f353e9212980d01795811d4f730698d33a309ee654ad48c35c317ea5a27a2cefd73ee8d0d638d2622ca3e1d8431e47f6c4693269b0655f4e4515a898100dd70052329ee414ed30ff25b51a98c2b0e9b33d1beeb32e400da7835f063cc48fe578e8d", @ANYRES16=r14, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) (async) 23:42:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYBLOB="810000000000000000fa01a58eb1b24a44362052b3ae788fff81693f188c1744a0e3dedc858ad8bd6d709c361b1557cd37aac081"], 0x20}, 0x1, 0x0, 0x0, 0x4000000}, 0x40040c1) r4 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x6082c1, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$PPPIOCGIDLE(r4, 0x8010743f, &(0x7f0000000080)) 23:42:00 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000080}, 0x4000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01fcee69000000000000000000010000000800013469b6e6fb79aa00aa92daff8ebabde33ed1c18dd51eacbffa8fd03aa326acd6f6d258c75c2bc4c2b2dc907a3772cabd56ea280acd8cd0eb8463fab1e716666b4cdf1f6a40f83d34a95536a4"], 0x1c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 23:42:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 5) [ 2344.111844] nbd: must specify at least one socket 23:42:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0000000080000000000000000000cc889ccbd56e55ee276909149ef261fc1f5af69a016c67aa2d"], 0x8}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0000000080000000000000000000cc889ccbd56e55ee276909149ef261fc1f5af69a016c67aa2d"], 0x8}}, 0x0) (async) 23:42:01 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$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYRESOCT=r1], 0x20}}, 0x0) [ 2344.175697] nbd: must specify a size in bytes for the device [ 2344.188530] FAULT_INJECTION: forcing a failure. [ 2344.188530] name failslab, interval 1, probability 0, space 0, times 0 [ 2344.198953] nbd: must specify a size in bytes for the device [ 2344.201437] CPU: 1 PID: 28413 Comm: syz-executor.1 Not tainted 4.14.307-syzkaller #0 [ 2344.213621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2344.222981] Call Trace: 23:42:01 executing program 4: 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$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000080}, 0x4000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01fcee69000000000000000000010000000800013469b6e6fb79aa00aa92daff8ebabde33ed1c18dd51eacbffa8fd03aa326acd6f6d258c75c2bc4c2b2dc907a3772cabd56ea280acd8cd0eb8463fab1e716666b4cdf1f6a40f83d34a95536a4"], 0x1c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x300, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000080}, 0x4000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="01fcee69000000000000000000010000000800013469b6e6fb79aa00aa92daff8ebabde33ed1c18dd51eacbffa8fd03aa326acd6f6d258c75c2bc4c2b2dc907a3772cabd56ea280acd8cd0eb8463fab1e716666b4cdf1f6a40f83d34a95536a4"], 0x1c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) [ 2344.225599] dump_stack+0x1b2/0x281 [ 2344.229253] should_fail.cold+0x10a/0x149 [ 2344.233414] should_failslab+0xd6/0x130 [ 2344.237402] kmem_cache_alloc_node_trace+0x25a/0x400 [ 2344.242522] __kmalloc_node_track_caller+0x38/0x70 [ 2344.247460] __alloc_skb+0x96/0x510 [ 2344.251107] netlink_ack+0x216/0x9a0 [ 2344.254836] ? netlink_sendmsg+0xbc0/0xbc0 [ 2344.259083] netlink_rcv_skb+0x2c5/0x390 [ 2344.263156] ? genl_family_rcv_msg+0xb20/0xb20 [ 2344.267743] ? netlink_ack+0x9a0/0x9a0 [ 2344.271644] ? lock_acquire+0x170/0x3f0 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x404c014) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$SNDCTL_DSP_CHANNELS(0xffffffffffffffff, 0xc0045006, &(0x7f0000000000)=0x1) [ 2344.275634] genl_rcv+0x24/0x40 [ 2344.278921] netlink_unicast+0x437/0x610 [ 2344.282993] ? netlink_sendskb+0xd0/0xd0 [ 2344.287080] ? __check_object_size+0x179/0x230 [ 2344.291669] netlink_sendmsg+0x651/0xbc0 [ 2344.295736] ? nlmsg_notify+0x1b0/0x1b0 [ 2344.299714] ? kernel_recvmsg+0x210/0x210 [ 2344.303872] ? security_socket_sendmsg+0x83/0xb0 [ 2344.308641] ? nlmsg_notify+0x1b0/0x1b0 [ 2344.312624] sock_sendmsg+0xb5/0x100 [ 2344.316346] ___sys_sendmsg+0x6c8/0x800 [ 2344.320325] ? get_pid_task+0x91/0x130 23:42:01 executing program 4: 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$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x404c014) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$SNDCTL_DSP_CHANNELS(0xffffffffffffffff, 0xc0045006, &(0x7f0000000000)=0x1) [ 2344.324234] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 2344.329012] ? lock_downgrade+0x740/0x740 [ 2344.333179] ? __fget+0x23e/0x3e0 [ 2344.333525] nbd: must specify at least one socket [ 2344.336638] ? lock_acquire+0x170/0x3f0 [ 2344.336651] ? lock_downgrade+0x740/0x740 [ 2344.336689] ? __fget+0x265/0x3e0 [ 2344.353086] ? __fdget+0x19b/0x1f0 [ 2344.356636] ? sockfd_lookup_light+0xb2/0x160 [ 2344.361136] __sys_sendmsg+0xa3/0x120 [ 2344.364938] ? SyS_shutdown+0x160/0x160 [ 2344.368923] ? wait_for_completion_io+0x10/0x10 [ 2344.373613] ? SyS_read+0x210/0x210 [ 2344.377257] SyS_sendmsg+0x27/0x40 [ 2344.380807] ? __sys_sendmsg+0x120/0x120 [ 2344.384874] do_syscall_64+0x1d5/0x640 [ 2344.388779] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2344.393979] RIP: 0033:0x7ff945fc50f9 [ 2344.397697] RSP: 002b:00007ff944537168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2344.405429] RAX: ffffffffffffffda RBX: 00007ff9460e4f80 RCX: 00007ff945fc50f9 [ 2344.405975] nbd: must specify at least one socket [ 2344.412694] RDX: 0000000000000000 RSI: 0000000020000b00 RDI: 0000000000000005 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (fail_nth: 5) 23:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0000000080000000000000000000cc889ccbd56e55ee276909149ef261fc1f5af69a016c67aa2d"], 0x8}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, 0x0, 0x400, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bond0\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x880}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=0x0, @ANYBLOB="0000000080000000000000000000cc889ccbd56e55ee276909149ef261fc1f5af69a016c67aa2d"], 0x8}}, 0x0) (async) 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="277f4f5c", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000400078004000a00"], 0x1c}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x5c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x39}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x5c}, 0x1, 0x0, 0x0, 0xa5}, 0x4800) 23:42:01 executing program 3: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) (async) recvmsg$unix(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000140)=""/194, 0xc2}], 0x1, &(0x7f0000000240)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0xa0}, 0x40012001) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r7) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) (async) r11 = syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x20e040) r12 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r12, 0xc0186419, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000540)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, r9, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r3}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r1}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r13}, {0x8, 0x1, r2}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '\x88\xd1\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}]}, 0xbc}, 0x1, 0x0, 0x0, 0x4044040}, 0x40000) (async) r14 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r5) (async) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="140000000680876d36222e6af0acf6bdc3118f353e9212980d01795811d4f730698d33a309ee654ad48c35c317ea5a27a2cefd73ee8d0d638d2622ca3e1d8431e47f6c4693269b0655f4e4515a898100dd70052329ee414ed30ff25b51a98c2b0e9b33d1beeb32e400da7835f063cc48fe578e8d", @ANYRES16=r14, @ANYBLOB="0100000000000000000001000000"], 0x14}}, 0x0) 23:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYRESOCT=r1], 0x20}}, 0x0) 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x54, r1, 0x2, 0x70bd2b, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x10000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x404c014) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) ioctl$SNDCTL_DSP_CHANNELS(0xffffffffffffffff, 0xc0045006, &(0x7f0000000000)=0x1) [ 2344.412701] RBP: 00007ff9445371d0 R08: 0000000000000000 R09: 0000000000000000 [ 2344.412708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 2344.412714] R13: 00007ffd296f477f R14: 00007ff944537300 R15: 0000000000022000 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="277f4f5c", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000400078004000a00"], 0x1c}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x5c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x39}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x5c}, 0x1, 0x0, 0x0, 0xa5}, 0x4800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="277f4f5c", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000400078004000a00"], 0x1c}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x5c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x39}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x5c}, 0x1, 0x0, 0x0, 0xa5}, 0x4800) (async) 23:42:01 executing program 2: sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX, @ANYRESHEX], 0x8}}, 0x0) r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r0, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ipvlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000881}, 0x8000) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x50, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'ipvlan0\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x4010}, 0x20000000) [ 2344.497538] nbd: must specify at least one socket 23:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x508d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}]}, 0x34}, 0x1, 0x0, 0x0, 0x4001045}, 0x0) 23:42:01 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r2, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfae}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x1000}, 0x4000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1f}}}]}, 0x30}, 0x1, 0x0, 0x0, 0x40}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYRESOCT=r1], 0x20}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYRES32=r3, @ANYRES16=r2, @ANYRESOCT=r1], 0x20}}, 0x0) (async) 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c35cb4c", @ANYRES16=r1, @ANYRESHEX=r0], 0x1c}}, 0x0) [ 2344.521298] nbd: must specify a size in bytes for the device 23:42:01 executing program 5: 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$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="277f4f5c", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000400078004000a00"], 0x1c}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x5c, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x39}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x5c}, 0x1, 0x0, 0x0, 0xa5}, 0x4800) 23:42:01 executing program 2: sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX, @ANYRESHEX], 0x8}}, 0x0) (async) r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r0, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ipvlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000881}, 0x8000) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x50, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'ipvlan0\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x4010}, 0x20000000) [ 2344.603791] nbd: must specify at least one socket 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c35cb4c", @ANYRES16=r1, @ANYRESHEX=r0], 0x1c}}, 0x0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c35cb4c", @ANYRES16=r1, @ANYRESHEX=r0], 0x1c}}, 0x0) (async) 23:42:01 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r2, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfae}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x1000}, 0x4000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1f}}}]}, 0x30}, 0x1, 0x0, 0x0, 0x40}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r2, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfae}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x1000}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1f}}}]}, 0x30}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 23:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x508d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}]}, 0x34}, 0x1, 0x0, 0x0, 0x4001045}, 0x0) [ 2344.625894] nbd: must specify at least one socket 23:42:01 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_log_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x16}}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000}, 0x1) 23:42:01 executing program 2: sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c000000", @ANYRESHEX, @ANYRESHEX], 0x8}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), 0xffffffffffffffff) (async) r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x30, r0, 0x10, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ipvlan0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000881}, 0x8000) r1 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r2, 0xc0186419, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x50, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'ipvlan0\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x4010}, 0x20000000) (async) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x50, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, 'ipvlan0\x00'}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x8}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x4010}, 0x20000000) 23:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, 0x0, 0x100, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x508d}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x7}]}, 0x34}, 0x1, 0x0, 0x0, 0x4001045}, 0x0) 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) r3 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r3, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r2, 0x200, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfae}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}]}, 0x78}, 0x1, 0x0, 0x0, 0x1000}, 0x4000000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r4) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x0, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1f}}}]}, 0x30}, 0x1, 0x0, 0x0, 0x40}, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2344.691835] nbd: must specify at least one socket [ 2344.701681] nbd: must specify at least one socket [ 2344.717405] nbd: must specify a size in bytes for the device 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c35cb4c", @ANYRES16=r1, @ANYRESHEX=r0], 0x1c}}, 0x0) 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 23:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) write$RDMA_USER_CM_CMD_LEAVE_MCAST(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x10, 0xfa00, {&(0x7f0000000140)}}, 0x18) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) 23:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_log_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x16}}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000}, 0x1) 23:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="00003e14", @ANYRES16=r6, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r6, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '.+-{&.'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x189}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x8000}, 0x4c011) 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="fa00000000000080000001000000040007804f000a00"], 0x1c}}, 0x0) [ 2344.744463] nbd: must specify at least one socket [ 2344.751578] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2344.765800] nbd: must specify at least one socket [ 2344.783951] nbd: must specify a size in bytes for the device 23:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) (async) write$RDMA_USER_CM_CMD_LEAVE_MCAST(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x10, 0xfa00, {&(0x7f0000000140)}}, 0x18) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) [ 2344.837720] nbd: must specify at least one socket 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x60, 0x0, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) 23:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="00003e14", @ANYRES16=r6, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="00003e14", @ANYRES16=r6, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r6, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '.+-{&.'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x189}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x8000}, 0x4c011) 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="fa00000000000080000001000000040007804f000a00"], 0x1c}}, 0x0) 23:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) write$RDMA_USER_CM_CMD_LEAVE_MCAST(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x10, 0xfa00, {&(0x7f0000000140)}}, 0x18) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c}, 0x8}}, 0x0) (async) write$RDMA_USER_CM_CMD_LEAVE_MCAST(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x10, 0xfa00, {&(0x7f0000000140)}}, 0x18) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000800}, 0x4) (async) 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="f86f0c604447af548ad829a80344e67c59b43026e3dcb4c59becfa7faf66530d42a9c704a7cf2852aa98b9a034a03dd3235400c77db8c5c34d3e96bbad6228c1a5aa9c93d52127b8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) 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$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r5, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0) [ 2344.860647] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2344.872648] nbd: must specify at least one socket [ 2344.880402] nbd: must specify at least one socket 23:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x300, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_log_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x16}}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000}, 0x1) 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="fa00000000000080000001000000040007804f000a00"], 0x1c}}, 0x0) syz_init_net_socket$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) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="fa00000000000080000001000000040007804f000a00"], 0x1c}}, 0x0) (async) 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="f86f0c604447af548ad829a80344e67c59b43026e3dcb4c59becfa7faf66530d42a9c704a7cf2852aa98b9a034a03dd3235400c77db8c5c34d3e96bbad6228c1a5aa9c93d52127b8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r5, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="f86f0c604447af548ad829a80344e67c59b43026e3dcb4c59becfa7faf66530d42a9c704a7cf2852aa98b9a034a03dd3235400c77db8c5c34d3e96bbad6228c1a5aa9c93d52127b8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 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$netlbl_unlabel(&(0x7f0000000480), r3) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r5, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) 23:42:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) rt_sigsuspend(&(0x7f0000000000)={[0xffffffff80000001]}, 0x8) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYRESOCT=r0, @ANYRESOCT=r0, @ANYBLOB="0000000000000000000001000000"], 0x8}}, 0x0) [ 2344.949024] nbd: must specify at least one socket [ 2344.957831] nbd: must specify a size in bytes for the device 23:42:01 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="00003e14", @ANYRES16=r6, @ANYBLOB="01000000000000000000020000000c00078008000100", @ANYRES32, @ANYBLOB="0800010000000000"], 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, r6, 0x2, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd5}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xa, 0xa, '.+-{&.'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x189}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x58}, 0x1, 0x0, 0x0, 0x8000}, 0x4c011) 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x60, 0x0, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) [ 2344.992250] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 2345.010801] nbd: must specify at least one socket 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40000}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) 23:42:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4d}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x82e}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4042010) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000004380)={0xffffffffffffffff}) sendto$unix(r5, 0x0, 0x0, 0x0, 0x0, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) [ 2345.036948] nbd: must specify at least one socket 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="f86f0c604447af548ad829a80344e67c59b43026e3dcb4c59becfa7faf66530d42a9c704a7cf2852aa98b9a034a03dd3235400c77db8c5c34d3e96bbad6228c1a5aa9c93d52127b8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYBLOB="f86f0c604447af548ad829a80344e67c59b43026e3dcb4c59becfa7faf66530d42a9c704a7cf2852aa98b9a034a03dd3235400c77db8c5c34d3e96bbad6228c1a5aa9c93d52127b8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000800010000000000"], 0x1c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) (async) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000480), r3) sendmsg$NLBL_UNLABEL_C_ACCEPT(r4, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}]}, 0x30}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r5, 0x2, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x38}, 0x1, 0x0, 0x0, 0x40}, 0x0) [ 2345.064984] nbd: must specify at least one socket 23:42:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) 23:42:01 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x7fffffffffffffff, 0x60042) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x13, 0xa, '}%$:(#\xd3!(\x11$\x1d{#]'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}}, 0x0) 23:42:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x60, 0x0, 0x2, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010102}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tty_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) 23:42:01 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip_vti0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}]}, 0x3c}}, 0xc8d0) ioctl$DRM_IOCTL_AGP_ENABLE(0xffffffffffffffff, 0x40086432, &(0x7f0000000140)=0x3) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 23:42:01 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4d}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x82e}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4042010) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000004380)={0xffffffffffffffff}) sendto$unix(r5, 0x0, 0x0, 0x0, 0x0, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) 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_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4d}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x82e}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4042010) (async) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000004380)) (async) sendto$unix(r5, 0x0, 0x0, 0x0, 0x0, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) (async) [ 2345.085714] nbd: must specify a size in bytes for the device [ 2345.102096] nbd: must specify a size in bytes for the device [ 2345.145342] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2345.156969] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2345.168625] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 23:42:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip_vti0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}]}, 0x3c}}, 0xc8d0) (async) ioctl$DRM_IOCTL_AGP_ENABLE(0xffffffffffffffff, 0x40086432, &(0x7f0000000140)=0x3) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) [ 2345.226371] nbd: must specify a size in bytes for the device [ 2345.268573] nbd: must specify at least one socket 23:42:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) rt_sigsuspend(&(0x7f0000000000)={[0xffffffff80000001]}, 0x8) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYRESOCT=r0, @ANYRESOCT=r0, @ANYBLOB="0000000000000000000001000000"], 0x8}}, 0x0) 23:42:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$audion(&(0x7f0000000000), 0x7fffffffffffffff, 0x60042) (async) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x7fffffffffffffff, 0x60042) openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x13, 0xa, '}%$:(#\xd3!(\x11$\x1d{#]'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}}, 0x0) 23:42:02 executing program 5: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) ioctl$SIOCNRDECOBS(r0, 0x89e2) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x164, 0x13, 0x400, 0x70bd25, 0x25dfdbfd, {0x8, 0x5, 0x0, 0x3f, {0x4e21, 0x4e23, [0x0, 0x6, 0x101, 0x8000], [0x1, 0x38f6, 0x5b4, 0x4], 0x0, [0x1ff, 0xacc]}, 0x37ec}, [@INET_DIAG_REQ_BYTECODE={0x22, 0x1, "7aba94b50e38e68fc545519535a2c0bf71e1142e018e2b2f11fc857a1e18"}, @INET_DIAG_REQ_BYTECODE={0xf4, 0x1, "9a966694c610c11ff636cd5268dd642919b0f1fdf2500fbb9d51e1d61fd3ed3c9b60c27d3938b44c9fd091b2a2fe44dc93b75b7f5da733b65c18c10812e21f2deb7e7bd972a9546affd90862389ad7969cba1464a320547ef9ae7636d08f635f79bad29073dc777d0879a84f02f5b2127e3788d46a6c569b755fe88dca38de740d060166935e786cadbc392b9e4eb3e9fb252c7721158ee136139c07fa9208f7c8029690d6f8b7a1ae6cb3c2c83dd03fd1d0ca250c30671c552956ce9c9c08d013eedc3ec287aca090a9aee1862699c56ec5b082793a6ac446d14f4e2620b89372d2752dc8526adc87fdd5a40ac29f4f"}]}, 0x164}, 0x1, 0x0, 0x0, 0xc000}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) ioctl$DRM_IOCTL_GEM_FLINK(r4, 0xc008640a, &(0x7f00000002c0)) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYRESOCT=r2, @ANYRES64=r3, @ANYBLOB="010000000000a8950000010000000400078004000a00"], 0x1c}}, 0x0) 23:42:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x4c, r2, 0x200, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40000}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r3, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) 23:42:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4d}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x82e}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4042010) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000004380)={0xffffffffffffffff}) sendto$unix(r5, 0x0, 0x0, 0x0, 0x0, 0x0) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)={0x28, r4, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4d}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x82e}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x4042010) (async) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000004380)) (async) sendto$unix(r5, 0x0, 0x0, 0x0, 0x0, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) (async) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, &(0x7f0000000000)) (async) 23:42:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip_vti0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}]}, 0x3c}}, 0xc8d0) ioctl$DRM_IOCTL_AGP_ENABLE(0xffffffffffffffff, 0x40086432, &(0x7f0000000140)=0x3) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x1}, 0x14}}, 0x48040) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x3c, 0x0, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip_vti0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}]}, 0x3c}}, 0xc8d0) (async) ioctl$DRM_IOCTL_AGP_ENABLE(0xffffffffffffffff, 0x40086432, &(0x7f0000000140)=0x3) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000a80)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) 23:42:02 executing program 5: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) (async) ioctl$SIOCNRDECOBS(r0, 0x89e2) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x164, 0x13, 0x400, 0x70bd25, 0x25dfdbfd, {0x8, 0x5, 0x0, 0x3f, {0x4e21, 0x4e23, [0x0, 0x6, 0x101, 0x8000], [0x1, 0x38f6, 0x5b4, 0x4], 0x0, [0x1ff, 0xacc]}, 0x37ec}, [@INET_DIAG_REQ_BYTECODE={0x22, 0x1, "7aba94b50e38e68fc545519535a2c0bf71e1142e018e2b2f11fc857a1e18"}, @INET_DIAG_REQ_BYTECODE={0xf4, 0x1, "9a966694c610c11ff636cd5268dd642919b0f1fdf2500fbb9d51e1d61fd3ed3c9b60c27d3938b44c9fd091b2a2fe44dc93b75b7f5da733b65c18c10812e21f2deb7e7bd972a9546affd90862389ad7969cba1464a320547ef9ae7636d08f635f79bad29073dc777d0879a84f02f5b2127e3788d46a6c569b755fe88dca38de740d060166935e786cadbc392b9e4eb3e9fb252c7721158ee136139c07fa9208f7c8029690d6f8b7a1ae6cb3c2c83dd03fd1d0ca250c30671c552956ce9c9c08d013eedc3ec287aca090a9aee1862699c56ec5b082793a6ac446d14f4e2620b89372d2752dc8526adc87fdd5a40ac29f4f"}]}, 0x164}, 0x1, 0x0, 0x0, 0xc000}, 0x4) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) ioctl$DRM_IOCTL_GEM_FLINK(r4, 0xc008640a, &(0x7f00000002c0)) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYRESOCT=r2, @ANYRES64=r3, @ANYBLOB="010000000000a8950000010000000400078004000a00"], 0x1c}}, 0x0) (rerun: 64) 23:42:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)={0x50, r1, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x10000}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000811}, 0x20000841) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f00000000c0)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x1c}}, 0x0) 23:42:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="015b6e1a78e55800372f000000000000010000000800010000000000"], 0x1c}}, 0x0) 23:42:02 executing program 5: r0 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, 0x0) ioctl$SIOCNRDECOBS(r0, 0x89e2) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$DCCPDIAG_GETSOCK(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000000c0)={0x164, 0x13, 0x400, 0x70bd25, 0x25dfdbfd, {0x8, 0x5, 0x0, 0x3f, {0x4e21, 0x4e23, [0x0, 0x6, 0x101, 0x8000], [0x1, 0x38f6, 0x5b4, 0x4], 0x0, [0x1ff, 0xacc]}, 0x37ec}, [@INET_DIAG_REQ_BYTECODE={0x22, 0x1, "7aba94b50e38e68fc545519535a2c0bf71e1142e018e2b2f11fc857a1e18"}, @INET_DIAG_REQ_BYTECODE={0xf4, 0x1, "9a966694c610c11ff636cd5268dd642919b0f1fdf2500fbb9d51e1d61fd3ed3c9b60c27d3938b44c9fd091b2a2fe44dc93b75b7f5da733b65c18c10812e21f2deb7e7bd972a9546affd90862389ad7969cba1464a320547ef9ae7636d08f635f79bad29073dc777d0879a84f02f5b2127e3788d46a6c569b755fe88dca38de740d060166935e786cadbc392b9e4eb3e9fb252c7721158ee136139c07fa9208f7c8029690d6f8b7a1ae6cb3c2c83dd03fd1d0ca250c30671c552956ce9c9c08d013eedc3ec287aca090a9aee1862699c56ec5b082793a6ac446d14f4e2620b89372d2752dc8526adc87fdd5a40ac29f4f"}]}, 0x164}, 0x1, 0x0, 0x0, 0xc000}, 0x4) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) ioctl$DRM_IOCTL_GEM_FLINK(r4, 0xc008640a, &(0x7f00000002c0)) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)=ANY=[@ANYRESOCT=r2, @ANYRES64=r3, @ANYBLOB="010000000000a8950000010000000400078004000a00"], 0x1c}}, 0x0) [ 2345.915042] nbd: must specify at least one socket [ 2345.933092] nbd: must specify at least one socket [ 2345.940523] nbd: must specify a size in bytes for the device 23:42:02 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[@ANYBLOB="201036b1", @ANYRES16=r2, @ANYBLOB="010000000000000000fa01"], 0x20}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, r3, 0x100, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x2f}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x240000d1}, 0x0) bind$unix(0xffffffffffffffff, &(0x7f00000001c0)=@file={0x1, './file0\x00'}, 0x6e) 23:42:02 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x7fffffffffffffff, 0x60042) r4 = openat$mice(0xffffffffffffff9c, &(0x7f00000022c0), 0x0) ioctl$DRM_IOCTL_MAP_BUFS(r4, 0xc0186419, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000ac0)={&(0x7f0000000080)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0x13, 0xa, '}%$:(#\xd3!(\x11$\x1d{#]'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0xa0}}, 0x0) [ 2345.976519] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 2346.004917] nbd: must specify a size in bytes for the device [ 2346.024701] block nbd3: NBD_DISCONNECT [ 2346.044627] kasan: CONFIG_KASAN_INLINE enabled [ 2346.049237] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 2346.056600] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 2346.062833] Modules linked in: [ 2346.066458] CPU: 0 PID: 28692 Comm: systemd-udevd Not tainted 4.14.307-syzkaller #0 [ 2346.074241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 2346.083582] task: ffff88807bb32340 task.stack: ffff888099628000 [ 2346.089631] RIP: 0010:__lock_acquire+0x1cc/0x3f20 [ 2346.094452] RSP: 0018:ffff88809962f938 EFLAGS: 00010006 [ 2346.099796] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 2346.107050] RDX: 0000000000000022 RSI: 0000000000000000 RDI: 0000000000000110 [ 2346.114302] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 2346.121554] R10: 0000000000000001 R11: ffff88807bb32340 R12: 0000000000000110 [ 2346.128805] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8bed1e40 [ 2346.136058] FS: 00007fa1ec4b08c0(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 2346.144264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2346.150127] CR2: 00007f13c0860ff8 CR3: 00000000950b5000 CR4: 00000000003406f0 [ 2346.157379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2346.164627] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2346.171889] Call Trace: [ 2346.174468] ? vprintk_emit+0x170/0x620 [ 2346.178429] ? dev_vprintk_emit+0x1da/0x440 [ 2346.182730] ? trace_hardirqs_on+0x10/0x10 [ 2346.186961] ? dev_driver_string+0x160/0x160 [ 2346.191360] ? __lock_acquire+0x5fc/0x3f20 [ 2346.195576] ? trace_hardirqs_on+0x10/0x10 [ 2346.199810] lock_acquire+0x170/0x3f0 [ 2346.203592] ? flush_workqueue+0xcb/0x1310 [ 2346.207812] flush_workqueue+0xfa/0x1310 [ 2346.211879] ? flush_workqueue+0xcb/0x1310 [ 2346.216093] ? nbd_disconnect_and_put+0x99/0x140 [ 2346.220826] ? lock_downgrade+0x740/0x740 [ 2346.224955] ? check_flush_dependency+0x2a0/0x2a0 [ 2346.229798] nbd_disconnect_and_put+0xc3/0x140 [ 2346.234371] nbd_release+0x123/0x150 [ 2346.238077] ? nbd_ioctl+0xad0/0xad0 [ 2346.241775] __blkdev_put+0x5aa/0x800 [ 2346.245557] ? revalidate_disk+0x1f0/0x1f0 [ 2346.249773] ? locks_remove_file+0x2cd/0x420 [ 2346.254162] ? blkdev_put+0x75/0x4c0 [ 2346.257860] ? blkdev_put+0x4c0/0x4c0 [ 2346.261642] blkdev_close+0x86/0xb0 [ 2346.265248] __fput+0x25f/0x7a0 [ 2346.268510] task_work_run+0x11f/0x190 [ 2346.272385] exit_to_usermode_loop+0x1ad/0x200 [ 2346.276966] do_syscall_64+0x4a3/0x640 [ 2346.280853] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 2346.286027] RIP: 0033:0x7fa1eb5f6270 [ 2346.289719] RSP: 002b:00007ffdaad167d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 2346.297405] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fa1eb5f6270 [ 2346.304671] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 2346.311920] RBP: 00007fa1ec4b0710 R08: 0000000000000045 R09: 0000000000000018 [ 2346.319176] R10: 000056163db42c98 R11: 0000000000000246 R12: 0000000000000000 [ 2346.326426] R13: 000056163db42d20 R14: 0000000000000003 R15: 000000000000000e [ 2346.333683] Code: 18 00 00 00 00 48 81 c4 80 01 00 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 67 2a 00 00 49 81 3c 24 60 d8 2f 8b 0f 84 5f [ 2346.352795] RIP: __lock_acquire+0x1cc/0x3f20 RSP: ffff88809962f938 [ 2346.359105] ---[ end trace aaa12e3c7719bcde ]--- [ 2346.363847] Kernel panic - not syncing: Fatal exception [ 2346.369523] Kernel Offset: disabled [ 2346.373158] Rebooting in 86400 seconds..