00004000a00"], 0x18}}, 0x0)
r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r5)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r7, @ANYBLOB="df"], 0x58}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r7, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}]}, 0x40}, 0x1, 0x0, 0x0, 0x884}, 0x800)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='E\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="020025bd7000fddbdf250b00000008002b0007000000080034000300000005002f00010000000800390009000000"], 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x40)
sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r3, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x100}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x8000}, 0x0)

[ 2155.676871] nbd: must specify a size in bytes for the device
[ 2155.698389] nbd: must specify at least one socket
[ 2155.718365] block nbd0: not configured, cannot reconfigure
00:58:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}}, 0x4000)

00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(r3, 0xc00464b4, &(0x7f0000000000))
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r3 = socket(0xf, 0xa, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}]}, 0x50}}, 0x0)

00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(r3, 0xc00464b4, &(0x7f0000000000))
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0) (async)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a) (async)
ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(r3, 0xc00464b4, &(0x7f0000000000)) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async)

[ 2155.727898] nbd: must specify a size in bytes for the device
[ 2155.759028] block nbd0: not configured, cannot reconfigure
00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$AUDIT_TRIM(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x3f6, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4}, 0x4805)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000002000a00ee2a4329c6bba3a487ef945a598135759a4b62be8fa7c4e6444e934faa035145831b316da734715576929020612bc845e25b881a1cf600"/76], 0x18}}, 0x0)

00:58:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="00de016fb28aa6e5303f7432bb8661f3d2eb04cc71b2b9df20ae5ea3d0518f12e877f7137539730d24f3249155c0673f369837517e058a9821ff9e8f58f2535735279a844cf25ef31b9ba509d70ba4f7a4e28f622a0c2c809cc3a926ebe2bf673ffa5f1a484a47307c7115e3226c33b9102fe9703707c91a7909e4e86be4e1e897703aa728cfc5411c35cdcde619c0e4e06ca48aefa198209ef26ec4021e5a46d73526f96777f46ba1bcc1082c8c999eb01e2376e9b6d44d74161ae6bef61c849dc24baf5df5786d4b90df7edee97dd16dcce04376faf05023c22b69e0c6cc90362308c2949765f0", @ANYRES16=r2, @ANYBLOB="01000000000004000a00"], 0x18}}, 0x0)
r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r5)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r7, @ANYBLOB="df"], 0x58}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r7, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}]}, 0x40}, 0x1, 0x0, 0x0, 0x884}, 0x800)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='E\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="020025bd7000fddbdf250b00000008002b0007000000080034000300000005002f00010000000800390009000000"], 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x40)
sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r3, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x100}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x8000}, 0x0)

[ 2155.792352] nbd: must specify a size in bytes for the device
[ 2155.811198] nbd: must specify at least one socket
[ 2155.816436] block nbd0: not configured, cannot reconfigure
[ 2155.825640] nbd: must specify a size in bytes for the device
00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(r3, 0xc00464b4, &(0x7f0000000000))
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0) (async)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a) (async)
ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(r3, 0xc00464b4, &(0x7f0000000000)) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$AUDIT_TRIM(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x3f6, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4}, 0x4805)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000002000a00ee2a4329c6bba3a487ef945a598135759a4b62be8fa7c4e6444e934faa035145831b316da734715576929020612bc845e25b881a1cf600"/76], 0x18}}, 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$nbd(&(0x7f0000000400), r1) (async)
sendmsg$AUDIT_TRIM(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x3f6, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4}, 0x4805) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000002000a00ee2a4329c6bba3a487ef945a598135759a4b62be8fa7c4e6444e934faa035145831b316da734715576929020612bc845e25b881a1cf600"/76], 0x18}}, 0x0) (async)

00:58:07 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="00de016fb28aa6e5303f7432bb8661f3d2eb04cc71b2b9df20ae5ea3d0518f12e877f7137539730d24f3249155c0673f369837517e058a9821ff9e8f58f2535735279a844cf25ef31b9ba509d70ba4f7a4e28f622a0c2c809cc3a926ebe2bf673ffa5f1a484a47307c7115e3226c33b9102fe9703707c91a7909e4e86be4e1e897703aa728cfc5411c35cdcde619c0e4e06ca48aefa198209ef26ec4021e5a46d73526f96777f46ba1bcc1082c8c999eb01e2376e9b6d44d74161ae6bef61c849dc24baf5df5786d4b90df7edee97dd16dcce04376faf05023c22b69e0c6cc90362308c2949765f0", @ANYRES16=r2, @ANYBLOB="01000000000004000a00"], 0x18}}, 0x0)
r3 = syz_genetlink_get_family_id$batadv(&(0x7f0000000040), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r5)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB="18000000", @ANYRES16=r7, @ANYBLOB="df"], 0x58}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r7, 0x300, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xff}]}, 0x40}, 0x1, 0x0, 0x0, 0x884}, 0x800)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='E\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="020025bd7000fddbdf250b00000008002b0007000000080034000300000005002f00010000000800390009000000"], 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x40)
sendmsg$BATADV_CMD_GET_MCAST_FLAGS(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000380)={0x24, r3, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x100}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x8000}, 0x0)

00:58:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB], 0x1c}}, 0x0)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="28400000d598f2186775201f65215735688fa3e3def092d2ae5fe9", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e0800010000000000"], 0x28}}, 0x0)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x20000040)

[ 2155.894801] nbd: must specify a size in bytes for the device
[ 2155.917010] block nbd0: not configured, cannot reconfigure
00:58:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$AUDIT_TRIM(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x3f6, 0x0, 0x70bd2b, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4}, 0x4805) (async, rerun: 32)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000002000a00ee2a4329c6bba3a487ef945a598135759a4b62be8fa7c4e6444e934faa035145831b316da734715576929020612bc845e25b881a1cf600"/76], 0x18}}, 0x0)

00:58:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB], 0x1c}}, 0x0)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="28400000d598f2186775201f65215735688fa3e3def092d2ae5fe9", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e0800010000000000"], 0x28}}, 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$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="28400000d598f2186775201f65215735688fa3e3def092d2ae5fe9", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e0800010000000000"], 0x28}}, 0x0) (async)

00:58:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}]}, 0xfffffffffffffe6c}, 0x1, 0x0, 0x0, 0x4001}, 0x0)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 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$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x101}]}, 0xfffffffffffffe6c}, 0x1, 0x0, 0x0, 0x4001}, 0x0)

00:58:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000000008100000100000004000a00"], 0x18}}, 0x0)

00:58:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2], 0x1c}}, 0x0)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="28400000d598f2186775201f65215735688fa3e3def092d2ae5fe9", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e0800010000000000"], 0x28}}, 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$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="28400000d598f2186775201f65215735688fa3e3def092d2ae5fe9", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e0800010000000000"], 0x28}}, 0x0) (async)

00:58:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000364ede5f000800010000000000000000002d89b8d4dacc67dc9f57dd5c6bb778ec1ed7b938c8d167629a4dfa473972f2aa"], 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$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4000800)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000000008100000100000004000a00"], 0x18}}, 0x0)

[ 2156.109012] nbd: must specify at least one socket
00:58:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x5c, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5c}}, 0x20000040)

00:58:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000364ede5f000800010000000000000000002d89b8d4dacc67dc9f57dd5c6bb778ec1ed7b938c8d167629a4dfa473972f2aa"], 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$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4000800)

00:58:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x20000040)

00:58:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)
read$snapshot(0xffffffffffffffff, &(0x7f0000000000)=""/48, 0x30)

00:58:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000000364ede5f000800010000000000000000002d89b8d4dacc67dc9f57dd5c6bb778ec1ed7b938c8d167629a4dfa473972f2aa"], 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$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r5, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x4000800)

00:58:07 executing program 5:
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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="18000000", @ANYRES16=r2, @ANYBLOB="010000000000008100000100000004000a00"], 0x18}}, 0x0)

[ 2156.184483] nbd: must specify at least one socket
00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000080), 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, 0x0, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x68}}, 0x0)

00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDCTL_MIDI_PRETIME(0xffffffffffffffff, 0xc0046d00, &(0x7f0000000440)=0x9)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x122}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}}, 0x20000040)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x28, r2, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000080}, 0x4004000)
r7 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDCTL_MIDI_PRETIME(0xffffffffffffffff, 0xc0046d00, &(0x7f0000000440)=0x9)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x122}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}}, 0x20000040)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x28, r2, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000080}, 0x4004000)
r7 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)

00:58:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async)
read$snapshot(0xffffffffffffffff, &(0x7f0000000000)=""/48, 0x30)

00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
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$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, r6, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x776}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+\x81#:'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20b}]}, 0x54}, 0x1, 0x0, 0x0, 0x8040}, 0x40000)

[ 2156.226241] block nbd0: not configured, cannot reconfigure
[ 2156.258903] nbd: must specify at least one socket
00:58:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDCTL_MIDI_PRETIME(0xffffffffffffffff, 0xc0046d00, &(0x7f0000000440)=0x9)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x122}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}}, 0x20000040)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x28, r2, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000080}, 0x4004000)
r7 = socket(0xf, 0xa, 0x5)
r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)
r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r9, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r9, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x24, r8, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000800}, 0x80)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDCTL_MIDI_PRETIME(0xffffffffffffffff, 0xc0046d00, &(0x7f0000000440)=0x9)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x122}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}}, 0x20000040)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x28, r2, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000080}, 0x4004000)
r7 = socket(0xf, 0xa, 0x5)
r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)
r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r9, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r9, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x24, r8, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000800}, 0x80)

00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
bpf$MAP_CREATE(0x0, &(0x7f0000000000)=@bloom_filter={0x1e, 0x7, 0x3ff, 0x9, 0x1200, r3, 0xd5bf, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x3, 0x4, 0xe}, 0x48)

00:58:08 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000004000000000003"], 0x1c}}, 0x0)

[ 2156.353255] nbd: must specify at least one socket
00:58:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
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$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, r6, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x776}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+\x81#:'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20b}]}, 0x54}, 0x1, 0x0, 0x0, 0x8040}, 0x40000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4) (async)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, r6, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x776}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+\x81#:'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20b}]}, 0x54}, 0x1, 0x0, 0x0, 0x8040}, 0x40000) (async)

00:58:08 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000004000000000003"], 0x1c}}, 0x0)

00:58:08 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(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async)
read$snapshot(0xffffffffffffffff, &(0x7f0000000000)=""/48, 0x30)

00:58:08 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000004000000000003"], 0x1c}}, 0x0)

00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400008902e2ba62745c32c800", @ANYRES16=r6, @ANYBLOB="120018bd7000fddbdf2586bf9a81668db8808e51a378f33bd852992976563d31220300f01208a200"], 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x4048004)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDCTL_MIDI_PRETIME(0xffffffffffffffff, 0xc0046d00, &(0x7f0000000440)=0x9)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x122}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}}, 0x20000040)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x28, r2, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000080}, 0x4004000)
r7 = socket(0xf, 0xa, 0x5)
r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)
r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r9, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r9, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x24, r8, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000800}, 0x80)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'batadv0\x00', <r10=>0x0})
getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000002c0)={<r11=>0x0, @initdev, @multicast2}, &(0x7f0000000300)=0xc)
r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r12)
sendmsg$BATADV_CMD_GET_DAT_CACHE(r7, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x54, 0x0, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r10}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0xed}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r11}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x3}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x11}, 0x840)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000100), r0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$SNDCTL_MIDI_PRETIME(0xffffffffffffffff, 0xc0046d00, &(0x7f0000000440)=0x9)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xfffffffffffffc4f, &(0x7f00000001c0)={&(0x7f0000000140)={0x68, r1, 0x4, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffffa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x122}, @NBD_ATTR_BACKEND_IDENTIFIER={0xd, 0xa, '.#-}/*,$:'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}]}, 0x68}}, 0x20000040)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000540), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x28, r2, 0x0, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8, 0x1, r6}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x24000080}, 0x4004000)
r7 = socket(0xf, 0xa, 0x5)
r8 = syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)
r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r9, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r9, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x24, r8, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5, 0x2a, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000800}, 0x80)
ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'batadv0\x00', <r10=>0x0})
getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f00000002c0)={<r11=>0x0, @initdev, @multicast2}, &(0x7f0000000300)=0xc)
r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r12)
sendmsg$BATADV_CMD_GET_DAT_CACHE(r7, &(0x7f0000000400)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x54, 0x0, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r10}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0xed}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r11}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x2}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x3}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x2}, @BATADV_ATTR_GW_MODE={0x5, 0x33, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x11}, 0x840)

00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x8c02, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:08 executing program 5:
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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3) (async)
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$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, r6, 0x4, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x776}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '+\x81#:'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20b}]}, 0x54}, 0x1, 0x0, 0x0, 0x8040}, 0x40000)

[ 2156.443537] block nbd4: not configured, cannot reconfigure
[ 2156.461871] block nbd0: not configured, cannot reconfigure
[ 2156.469024] nbd: must specify at least one socket
00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 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$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000004000000000003"], 0x1c}}, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000080)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0x7df1}}, './file0\x00'})
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x20000, 0x0)
ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r6=>0xffffffffffffffff, {0x400}}, './file0\x00'})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000140)={<r7=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000180)={{0x1, 0x1, 0x18, <r8=>0xffffffffffffffff, {0x200}}, './file0\x00'})
r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000001c0), 0x4002, 0x0)
setsockopt$inet6_MCAST_LEAVE_GROUP(r5, 0x29, 0x2d, &(0x7f0000000500)={0x7, {{0xa, 0x4e24, 0x2, @local, 0x1}}}, 0x88)
r10 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
r11 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r11, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_MIDI_PRETIME(r11, 0xc0046d00, &(0x7f0000000600)=0x4)
write$P9_RREADDIR(r10, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r12 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
ioctl$IMHOLD_L1(r10, 0x80044948, &(0x7f0000000340))
write$P9_RREADDIR(r12, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, <r13=>0xffffffffffffffff, {0x3}}, './file0\x00'})
r14 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r14)
r15 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r15, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000240)={{0x1, 0x1, 0x18, <r16=>0xffffffffffffffff, {0x2}}, './file0\x00'})
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)={0xe4, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8335}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffff0000}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}]}]}, 0xe4}}, 0x0)

00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x8c02, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:08 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$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4) (rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0) (async, rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400008902e2ba62745c32c800", @ANYRES16=r6, @ANYBLOB="120018bd7000fddbdf2586bf9a81668db8808e51a378f33bd852992976563d31220300f01208a200"], 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x4048004) (async, rerun: 64)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)

[ 2156.549180] block nbd0: not configured, cannot reconfigure
00:58:08 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
ioctl$SIOCGSTAMP(0xffffffffffffffff, 0x8906, 0x0)

00:58:08 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$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 5:
r0 = socket(0x1a, 0x5, 0x500)
r1 = socket(0xf, 0xa, 0x5)
socket(0x15, 0x4, 0x4)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r1)
socket(0x2a, 0xa, 0xd09)
r2 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r2)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000180)={'batadv_slave_0\x00'})
getsockopt$inet6_buf(r1, 0x29, 0x23, &(0x7f0000000080)=""/159, &(0x7f0000000140)=0x9f)
ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x63)
getsockopt$MISDN_TIME_STAMP(r0, 0x0, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0x4)
socket(0x1, 0x3, 0x0)

00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x8c02, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4)

00:58:08 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$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="010000000400000000"], 0x1c}}, 0x0)

[ 2156.641104] block nbd2: not configured, cannot reconfigure
[ 2156.665332] nbd: must specify at least one socket
00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x8c02, 0x0)

00:58:08 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

[ 2156.721669] block nbd2: not configured, cannot reconfigure
[ 2156.757513] block nbd0: not configured, cannot reconfigure
00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x8c02, 0x0)

00:58:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400008902e2ba62745c32c800", @ANYRES16=r6, @ANYBLOB="120018bd7000fddbdf2586bf9a81668db8808e51a378f33bd852992976563d31220300f01208a200"], 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x4048004)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 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$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4) (async)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="1400008902e2ba62745c32c800", @ANYRES16=r6, @ANYBLOB="120018bd7000fddbdf2586bf9a81668db8808e51a378f33bd852992976563d31220300f01208a200"], 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x4048004) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:08 executing program 5:
r0 = socket(0x1a, 0x5, 0x500)
r1 = socket(0xf, 0xa, 0x5)
socket(0x15, 0x4, 0x4)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r1)
socket(0x2a, 0xa, 0xd09)
r2 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r2)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f0000000180)={'batadv_slave_0\x00'})
getsockopt$inet6_buf(r1, 0x29, 0x23, &(0x7f0000000080)=""/159, &(0x7f0000000140)=0x9f)
ioctl$UI_SET_FFBIT(r0, 0x4004556b, 0x63)
getsockopt$MISDN_TIME_STAMP(r0, 0x0, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0x4)
socket(0x1, 0x3, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB], 0x1c}}, 0x0)

00:58:08 executing program 2:
socket(0x1, 0x3, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$BATADV_CMD_GET_BLA_CLAIM(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x100, 0x70bd2b, 0x25dfdbfb}, 0x14}}, 0x48800)

00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x8c02, 0x0)

00:58:08 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000004000000000003000100000000000000000064b3fce083d0d8901e1256e816be9f48eb3d0a62b3b1ac3224962dd20c28facf6d84621c73de9e00451ab685"], 0x1c}}, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x200001, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2000c800}, 0x40001)
sendmsg$BATADV_CMD_TP_METER(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x8001}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x6}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x5f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x200040c5}, 0x44000)

[ 2156.846389] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2156.858207] nbd: must specify a device to reconfigure
[ 2156.868014] block nbd0: not configured, cannot reconfigure
00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x8c02, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000200)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0x1}}, './file0\x00'})
ioctl$SNDCTL_SEQ_OUTOFBAND(r4, 0x40085112, &(0x7f0000000240)=@e={0xff, 0x3, 0xb, 0x16, @SEQ_NOTEON=@special, 0x8, 0x6})
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r5, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2b}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4016)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)=ANY=[], 0x1c}}, 0x0)

00:58:08 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r1, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

[ 2156.921949] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2156.941125] nbd: must specify a device to reconfigure
[ 2156.954466] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000200)={{0x1, 0x1, 0x18, <r4=>0xffffffffffffffff, {0x1}}, './file0\x00'})
ioctl$SNDCTL_SEQ_OUTOFBAND(r4, 0x40085112, &(0x7f0000000240)=@e={0xff, 0x3, 0xb, 0x16, @SEQ_NOTEON=@special, 0x8, 0x6})
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r5, 0x300, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2b}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4016)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)=ANY=[], 0x1c}}, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '\x8d%pI\xc2\rI\t\x01~\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}}, 0x0)

00:58:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x200001, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2000c800}, 0x40001)
sendmsg$BATADV_CMD_TP_METER(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x8001}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x6}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x5f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x200040c5}, 0x44000)
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$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x200001, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2000c800}, 0x40001) (async)
sendmsg$BATADV_CMD_TP_METER(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x8001}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x6}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x5f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x200040c5}, 0x44000) (async)

[ 2156.968799] nbd: must specify a device to reconfigure
[ 2156.985515] block nbd0: not configured, cannot reconfigure
00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)

00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:08 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)

00:58:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000004000000000003000100000000000000000064b3fce083d0d8901e1256e816be9f48eb3d0a62b3b1ac3224962dd20c28facf6d84621c73de9e00451ab68588b3715d047c3988eb74ba9e0487ceded58d82009e9f144d0b1075e6c884068baa0ac57dd9e2251af3e0967071a66e238a63a85c26e52b64fb7c9ba2b7dc3c3588f7"], 0x1c}}, 0x0)

[ 2157.046467] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2157.058017] nbd: must specify a device to reconfigure
[ 2157.071987] block nbd0: not configured, cannot reconfigure
[ 2157.078056] block nbd2: not configured, cannot reconfigure
00:58:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:08 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$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) (async, rerun: 32)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x200001, 0x0) (rerun: 32)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x101}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x2000c800}, 0x40001) (async)
sendmsg$BATADV_CMD_TP_METER(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x3c, 0x0, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@BATADV_ATTR_BONDING_ENABLED={0x5}, @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x8001}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x6}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x5f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x200040c5}, 0x44000)

00:58:08 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r1, @ANYBLOB="0100000004000000000003000100000000000000000064b3fce083d0d8901e1256e816be9f48eb3d0a62b3b1ac3224962dd20c28facf6d84621c73de9e00451ab68588b3715d047c3988eb74ba9e0487ceded58d82009e9f144d0b1075e6c884068baa0ac57dd9e2251af3e0967071a66e238a63a85c26e52b64fb7c9ba2b7dc3c3588f7"], 0x1c}}, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

[ 2157.130909] nbd: must specify a device to reconfigure
00:58:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r2, @ANYBLOB="0100000004000000000003000100000000000000000064b3fce083d0d8901e1256e816be9f48eb3d0a62b3b1ac3224962dd20c28facf6d84621c73de9e00451ab68588b3715d047c3988eb74ba9e0487ceded58d82009e9f144d0b1075e6c884068baa0ac57dd9e2251af3e0967071a66e238a63a85c26e52b64fb7c9ba2b7dc3c3588f7"], 0x1c}}, 0x0)

00:58:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)

[ 2157.186408] nbd: must specify a device to reconfigure
00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)
sendmsg$BATADV_CMD_SET_VLAN(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x34, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_FRAGMENTATION_ENABLED={0x5, 0x30, 0x1}, @BATADV_ATTR_AP_ISOLATION_ENABLED={0x5}, @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED={0x5, 0x2e, 0x35}, @BATADV_ATTR_VLANID={0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x800}, 0x10014)

[ 2157.235858] nbd: must specify a device to reconfigure
00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)={0x44, r2, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff80000001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}]}, 0x44}}, 0x0)

00:58:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16, @ANYBLOB="0100000004000000000003000100000000000000000064b3fce083d0d8901e1256e816be9f48eb3d0a62b3b1ac3224962dd20c28facf6d84621c73de9e00451ab68588b3715d047c3988eb74ba9e0487ceded58d82009e9f144d0b1075e6c884068baa0ac57dd9e2251af3e0967071a66e238a63a85c26e52b64fb7c9ba2b7dc3c3588f7"], 0x1c}}, 0x0)

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)

00:58:09 executing program 5:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2157.278279] nbd: must specify a device to reconfigure
[ 2157.292672] nbd: must specify a device to reconfigure
[ 2157.300331] block nbd1: not configured, cannot reconfigure
[ 2157.316382] nbd: must specify a device to reconfigure
00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0)

[ 2157.361330] nbd: must specify a device to reconfigure
00:58:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:09 executing program 5:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2157.400644] nbd: must specify a device to reconfigure
[ 2157.418131] nbd: must specify a device to reconfigure
00:58:09 executing program 5:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0)

00:58:09 executing program 2:
r0 = socket(0x1, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_1\x00'})
socket(0x2a, 0x5, 0x8)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2157.450994] nbd: must specify a device to reconfigure
[ 2157.470214] nbd: must specify a device to reconfigure
[ 2157.479582] nbd: must specify a device to reconfigure
00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="df"], 0x58}}, 0x0)
r4 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x60, r3, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000000}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000}, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r5)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="00000400078008000a007d8728623f4547dd7f000000"], 0x28}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0)

00:58:09 executing program 1:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
ioctl$UI_DEV_CREATE(r0, 0x5501)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0)

[ 2157.500892] nbd: must specify a device to reconfigure
00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2157.563641] nbd: must specify a device to reconfigure
00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r2, 0x302, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0xc085}, 0x4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

00:58:09 executing program 1:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
ioctl$UI_DEV_CREATE(r0, 0x5501)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

[ 2157.590517] nbd: must specify a device to reconfigure
00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

[ 2157.624070] nbd: must specify a device to reconfigure
00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2157.666669] nbd: must specify at least one socket
[ 2157.684575] nbd: must specify a device to reconfigure
00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:09 executing program 1:
r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
ioctl$UI_DEV_CREATE(r0, 0x5501)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x0, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:09 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0)

[ 2157.754108] nbd: must specify a device to reconfigure
[ 2157.766013] nbd: must specify a device to reconfigure
00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x0, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 1:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

00:58:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 1:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x0, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 1:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x34, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x34}}, 0x0)

00:58:09 executing program 1:
openat$uinput(0xffffffffffffff9c, 0x0, 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 1:
openat$uinput(0xffffffffffffff9c, 0x0, 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2158.011014] nbd: must specify a size in bytes for the device
00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 1:
openat$uinput(0xffffffffffffff9c, 0x0, 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

[ 2158.082687] nbd: must specify a size in bytes for the device
00:58:09 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 2:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

[ 2158.176061] nbd: must specify at least one socket
00:58:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 2:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

[ 2158.212092] nbd: must specify at least one socket
00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, 0x0, 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2158.286777] nbd: must specify at least one socket
00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x2c}}, 0x0)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, 0x0, 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, 0x0, 0x802, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:10 executing program 5:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x24}}, 0x0)

[ 2158.392990] nbd: must specify a size in bytes for the device
00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:10 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0x1c}}, 0x0)

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:10 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2158.496962] nbd: must specify a size in bytes for the device
00:58:10 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

[ 2158.563845] nbd: must specify a size in bytes for the device
00:58:10 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2158.621033] nbd: must specify a size in bytes for the device
00:58:10 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:10 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:10 executing program 5:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2158.682191] nbd: must specify a size in bytes for the device
00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 5:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:10 executing program 3:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x40001, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2158.772144] nla_parse: 18 callbacks suppressed
[ 2158.772151] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2158.786095] nbd: must specify a device to reconfigure
00:58:10 executing program 5:
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 5:
openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:10 executing program 5:
openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2158.890933] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2158.904160] nbd: must specify a device to reconfigure
[ 2158.955700] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2158.964388] nbd: must specify a device to reconfigure
[ 2158.983770] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2158.995527] nbd: must specify a device to reconfigure
00:58:11 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:11 executing program 5:
openat$uinput(0xffffffffffffff9c, 0x0, 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:11 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:11 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:11 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:11 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:11 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2159.751563] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2159.765097] nbd: must specify a device to reconfigure
[ 2159.774535] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2159.801270] nbd: must specify a device to reconfigure
00:58:12 executing program 1:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:12 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:12 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x0, 0x0, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:12 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:12 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:12 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

00:58:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2160.604530] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2160.617951] nbd: must specify a device to reconfigure
00:58:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2160.711730] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2160.720814] nbd: must specify a device to reconfigure
00:58:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:13 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:13 executing program 2:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2161.482869] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2161.495641] nbd: must specify a device to reconfigure
00:58:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2161.538623] block nbd0: not configured, cannot reconfigure
[ 2161.570556] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'.
00:58:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:13 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2161.586797] nbd: must specify a device to reconfigure
[ 2161.596529] block nbd0: not configured, cannot reconfigure
[ 2161.607239] nbd: must specify a device to reconfigure
00:58:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2161.652966] nbd: must specify a device to reconfigure
[ 2161.670852] block nbd0: not configured, cannot reconfigure
[ 2161.691134] nbd: must specify a device to reconfigure
[ 2161.718215] nbd: must specify a device to reconfigure
00:58:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x2c, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040), 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:14 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)={0x50, r2, 0x0, 0xfffffffc, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

00:58:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002"], 0x28}}, 0x0)

00:58:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:14 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2162.429439] nbd: must specify a device to reconfigure
[ 2162.444683] nbd: must specify a device to reconfigure
00:58:14 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000080)=0x7)

00:58:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

[ 2162.490853] nbd: must specify a device to reconfigure
[ 2162.509034] nbd: must specify a device to reconfigure
00:58:14 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000080)=0x7)

[ 2162.563969] nbd: must specify a device to reconfigure
00:58:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2162.596386] nbd: must specify a device to reconfigure
00:58:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:14 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000080)=0x7)

[ 2162.671274] Restarting kernel threads ... done.
[ 2162.684307] block nbd0: not configured, cannot reconfigure
00:58:15 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:15 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000080)=0x7)

00:58:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:15 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000080)=0x7)

00:58:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:15 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SYNTH_MEMAVL(r2, 0xc004510e, &(0x7f0000000080)=0x7)

[ 2163.390031] block nbd0: not configured, cannot reconfigure
00:58:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2163.451421] Restarting kernel threads ... done.
00:58:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2163.489708] block nbd0: not configured, cannot reconfigure
[ 2163.542010] block nbd2: not configured, cannot reconfigure
[ 2163.566574] nbd: must specify a device to reconfigure
[ 2163.576795] Restarting kernel threads ... done.
00:58:16 executing program 5:
openat$uinput(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, 0x0)

00:58:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:16 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)

00:58:16 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)

00:58:16 executing program 2:
r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
ioctl$SNDCTL_SEQ_OUTOFBAND(r0, 0x40085112, &(0x7f0000000080)=@t={0x106, 0x3})
r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r1, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001280)={0x6, 0x6, &(0x7f0000000140)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x10000}, @map_val={0x18, 0x7, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfca}, @btf_id={0x18, 0x8, 0x3, 0x0, 0x3}], &(0x7f0000000180)='GPL\x00', 0x3ff, 0x1000, &(0x7f00000001c0)=""/4096, 0x40f00, 0x16, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000011c0)={0xa, 0x1}, 0x8, 0x10, &(0x7f0000001200)={0x0, 0x10, 0x1, 0xd20}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001240)=[r1, 0xffffffffffffffff, r2, r3, r4, r5]}, 0x80)

00:58:16 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)

[ 2164.326408] nla_parse: 8 callbacks suppressed
[ 2164.326415] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2164.331413] Restarting kernel threads ... done.
[ 2164.350632] nbd: must specify a device to reconfigure
00:58:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:16 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2164.430555] Restarting kernel threads ... done.
[ 2164.445476] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2164.467765] nbd: must specify a device to reconfigure
[ 2164.520229] Restarting kernel threads ... done.
00:58:16 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)

00:58:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)

00:58:16 executing program 2:
r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
select(0x40, &(0x7f0000000000), &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
ioctl$SNDCTL_SEQ_OUTOFBAND(r0, 0x40085112, &(0x7f0000000080)=@t={0x106, 0x3})
r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r1, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001280)={0x6, 0x6, &(0x7f0000000140)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x10000}, @map_val={0x18, 0x7, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfca}, @btf_id={0x18, 0x8, 0x3, 0x0, 0x3}], &(0x7f0000000180)='GPL\x00', 0x3ff, 0x1000, &(0x7f00000001c0)=""/4096, 0x40f00, 0x16, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, &(0x7f00000011c0)={0xa, 0x1}, 0x8, 0x10, &(0x7f0000001200)={0x0, 0x10, 0x1, 0xd20}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000001240)=[r1, 0xffffffffffffffff, r2, r3, r4, r5]}, 0x80)

00:58:16 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)

00:58:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2165.245334] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
[ 2165.262060] nbd: must specify a device to reconfigure
00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)

00:58:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)

[ 2165.306992] Restarting kernel threads ... done.
00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2165.384909] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'.
[ 2165.397060] nbd: must specify a device to reconfigure
00:58:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002"], 0x28}}, 0x0)

00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2165.461644] Restarting kernel threads ... done.
00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r2, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)

00:58:17 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2165.538565] Restarting kernel threads ... done.
00:58:17 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 5:
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2165.679607] Restarting kernel threads ... done.
[ 2165.697862] block nbd4: not configured, cannot reconfigure
00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 5:
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socket(0x0, 0x1, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 5:
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2165.793191] Restarting kernel threads ... done.
[ 2165.809747] block nbd4: not configured, cannot reconfigure
00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0xffff0000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2165.869611] Restarting kernel threads ... done.
00:58:17 executing program 5:
r0 = socket(0x0, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2165.933434] block nbd4: not configured, cannot reconfigure
00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 5:
r0 = socket(0x0, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2165.984412] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2165.994300] Restarting kernel threads ... done.
[ 2166.014868] nbd: must specify a device to reconfigure
00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2166.046347] nbd: must specify a device to reconfigure
00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 5:
r0 = socket(0x0, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.077854] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2166.105566] nbd: must specify a device to reconfigure
00:58:17 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:17 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:17 executing program 5:
r0 = socket(0x28, 0x0, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:17 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.170736] Restarting kernel threads ... done.
[ 2166.180747] nbd: must specify a device to reconfigure
00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 5:
r0 = socket(0x28, 0x0, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:18 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.285755] Restarting kernel threads ... done.
00:58:18 executing program 5:
r0 = socket(0x28, 0x0, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

[ 2166.334963] nbd: must specify a device to reconfigure
00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 5:
socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

[ 2166.360364] Restarting kernel threads ... done.
00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:18 executing program 5:
socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2166.422517] block nbd4: not configured, cannot reconfigure
[ 2166.446470] Restarting kernel threads ... done.
00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:18 executing program 5:
socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

[ 2166.535568] block nbd4: not configured, cannot reconfigure
[ 2166.541846] Restarting kernel threads ... done.
00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, 0x0, 0x10)

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:18 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2166.593704] Restarting kernel threads ... done.
00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, 0x0, 0x10)

00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.652253] block nbd4: not configured, cannot reconfigure
[ 2166.680006] Restarting kernel threads ... done.
00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, 0x0, 0x10)

00:58:18 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2166.748923] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2166.766584] nbd: must specify a device to reconfigure
00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.803874] Restarting kernel threads ... done.
00:58:18 executing program 1:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)

[ 2166.852301] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2166.867354] nbd: must specify a device to reconfigure
00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.912297] Restarting kernel threads ... done.
00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)

00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2166.986772] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2167.005314] nbd: must specify a device to reconfigure
[ 2167.021406] Restarting kernel threads ... done.
00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:18 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2167.094004] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2167.112858] nbd: must specify a device to reconfigure
00:58:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:18 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2167.161115] Restarting kernel threads ... done.
00:58:18 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:18 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:18 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2167.206169] Restarting kernel threads ... done.
00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2167.273952] Restarting kernel threads ... done.
00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={0x0}}, 0x10)

00:58:19 executing program 2:
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2167.353361] Restarting kernel threads ... done.
00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={0x0}}, 0x0)

00:58:19 executing program 1:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2167.414267] Restarting kernel threads ... done.
00:58:19 executing program 2:
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 2:
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)

00:58:19 executing program 1:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={0x0}}, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={0x0}}, 0x0)

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 5:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={0x0}}, 0x0)

00:58:19 executing program 1:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
read$snapshot(0xffffffffffffffff, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 5:
socket(0x28, 0x1, 0x0)

00:58:19 executing program 4:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 0:
read$snapshot(0xffffffffffffffff, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 5:
socket(0x0, 0x1, 0x0)

00:58:19 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:19 executing program 5:
socket(0x0, 0x1, 0x0)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
read$snapshot(0xffffffffffffffff, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 2:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2167.845463] Restarting kernel threads ... done.
00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 5:
socket(0x0, 0x1, 0x0)

00:58:19 executing program 2:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2167.920946] block nbd3: not configured, cannot reconfigure
[ 2167.940636] Restarting kernel threads ... done.
00:58:19 executing program 5:
socket(0x28, 0x0, 0x0)

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 2:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)

00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 5:
socket(0x28, 0x0, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2168.035853] block nbd3: not configured, cannot reconfigure
00:58:19 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 5:
socket(0x28, 0x0, 0x0)

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:19 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2168.121236] block nbd3: not configured, cannot reconfigure
[ 2168.154936] Restarting kernel threads ... done.
[ 2168.161910] block nbd2: not configured, cannot reconfigure
00:58:19 executing program 2:
openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:20 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, 0x0)

[ 2168.197655] nbd: must specify a device to reconfigure
00:58:20 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2168.246352] Restarting kernel threads ... done.
[ 2168.264006] block nbd5: not configured, cannot reconfigure
[ 2168.285427] block nbd4: not configured, cannot reconfigure
00:58:20 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(0xffffffffffffffff, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2168.337203] nbd: must specify a device to reconfigure
00:58:20 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2168.389144] nbd: must specify a device to reconfigure
00:58:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2168.414908] nbd: must specify a device to reconfigure
00:58:20 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

[ 2168.464406] Restarting kernel threads ... done.
[ 2168.466471] block nbd3: not configured, cannot reconfigure
[ 2168.476227] nbd: must specify a device to reconfigure
[ 2168.520982] nbd: must specify a device to reconfigure
00:58:20 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, 0x0)

00:58:20 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(0xffffffffffffffff, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:20 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:20 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:20 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:20 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(0xffffffffffffffff, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:20 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2169.195301] Restarting kernel threads ... done.
[ 2169.199678] block nbd3: not configured, cannot reconfigure
00:58:21 executing program 2:
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:21 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

[ 2169.285742] Restarting kernel threads ... done.
[ 2169.302840] block nbd4: not configured, cannot reconfigure
[ 2169.309647] block nbd3: not configured, cannot reconfigure
[ 2169.348556] Restarting kernel threads ... done.
00:58:21 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x0, 0x0, 0x0, 0x0, 0x0)

00:58:21 executing program 2:
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:21 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

00:58:21 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:21 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:21 executing program 2:
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:21 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}}, 0x0)

00:58:21 executing program 2:
r0 = socket(0x0, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

[ 2170.082514] Restarting kernel threads ... done.
[ 2170.090409] nla_parse: 1 callbacks suppressed
[ 2170.090415] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2170.095049] nbd: must specify a device to reconfigure
00:58:21 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:21 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

[ 2170.197374] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2170.213650] nbd: must specify a device to reconfigure
[ 2170.253625] Restarting kernel threads ... done.
00:58:22 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:22 executing program 2:
r0 = socket(0x0, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:22 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)

00:58:22 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:22 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:22 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:22 executing program 2:
r0 = socket(0x0, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:22 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:22 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2170.970561] Restarting kernel threads ... done.
00:58:22 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:22 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socket(0x0, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x6}, @NBD_ATTR_INDEX={0x0, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x840}, 0x0)

[ 2171.016634] nbd: must specify a device to reconfigure
00:58:22 executing program 2:
r0 = socket(0x28, 0x0, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:22 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2171.054135] Restarting kernel threads ... done.
00:58:22 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
read$sequencer(r1, &(0x7f00000002c0)=""/135, 0x87)
ioctl$SNAPSHOT_FREE(r0, 0x3305)

00:58:22 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:22 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:22 executing program 2:
r0 = socket(0x28, 0x0, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:22 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:22 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e080001000000"], 0x28}}, 0x0)

00:58:22 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:22 executing program 2:
r0 = socket(0x28, 0x0, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e080001000000"], 0x28}}, 0x0)

[ 2171.140683] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 2171.144940] Restarting kernel threads ... done.
[ 2171.162800] nbd: must specify a device to reconfigure
00:58:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e080001000000"], 0x28}}, 0x0)

00:58:23 executing program 2:
socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e080001000000"], 0x28}}, 0x0)

00:58:23 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$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x401, 0x0)
r5 = socket(0xf, 0xa, 0x5)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000140), 0x200, 0x0)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r5)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={<r6=>0xffffffffffffffff})
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r3, 0xc018937c, &(0x7f00000001c0)={{0x1, 0x1, 0x18, <r7=>r5, {0x1}}, './file0\x00'})
r8 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r8)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000200)={&(0x7f0000000000), 0xc, &(0x7f00000002c0)={&(0x7f0000000300)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000129bd7000ffdbdf25010000004c00078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="0865bb45f36cb7000100", @ANYRES32=r5, @ANYBLOB], 0x60}, 0x1, 0x0, 0x0, 0x40840}, 0x4040840)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

00:58:23 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, &(0x7f0000000140)=""/106, 0x6a)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, &(0x7f00000000c0))
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

[ 2171.233945] block nbd0: not configured, cannot reconfigure
[ 2171.256864] block nbd0: not configured, cannot reconfigure
00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 2:
socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a"], 0x28}}, 0x0)

[ 2171.303908] block nbd0: not configured, cannot reconfigure
00:58:23 executing program 2:
socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x800}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5, 0x29, 0x1}]}, 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)=ANY=[], 0x1c}}, 0x0)

00:58:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="df"], 0x58}}, 0x0)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2b01, 0x0)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), 0xffffffffffffffff)
r6 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r6)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x20040001}, 0x4010)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r8 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r8)
r9 = syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r5)
sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r8, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0xa0204502}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r9, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x1ff}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000884)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="91dcd7e301cd7d15b02f86941a", @ANYRES16=r7, @ANYBLOB="010000000000000000000100000004000a00"], 0x18}}, 0x0)

[ 2171.345851] block nbd0: not configured, cannot reconfigure
[ 2171.363413] nbd: couldn't find a device at index 131072
[ 2171.385467] block nbd4: not configured, cannot reconfigure
00:58:23 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$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="df"], 0x58}}, 0x0)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2b01, 0x0)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), 0xffffffffffffffff)
r6 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r6)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x70, r4, 0x4, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}]}, 0x70}, 0x1, 0x0, 0x0, 0x20040001}, 0x4010)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r8 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r8)
r9 = syz_genetlink_get_family_id$batadv(&(0x7f0000000240), r5)
sendmsg$BATADV_CMD_GET_BLA_BACKBONE(r8, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0xa0204502}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r9, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@BATADV_ATTR_ISOLATION_MASK={0x8, 0x2c, 0x1ff}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_ORIG_ADDRESS={0xa, 0x9, @multicast}, @BATADV_ATTR_AGGREGATED_OGMS_ENABLED={0x5}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000884)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="91dcd7e301cd7d15b02f86941a", @ANYRES16=r7, @ANYBLOB="010000000000000000000100000004000a00"], 0x18}}, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2171.389359] Restarting kernel threads ... done.
00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, 0x0, 0x10)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0), 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)={0x30, r2, 0x1, 0x400000, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5n'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x30}}, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2171.459582] nbd: must specify a device to reconfigure
00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, 0x0, 0x10)

00:58:23 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r3)
ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x1}}, './file0\x00'})
ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000100)={0x0, 0x3, 0x40, 0x16c231be})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x24642, 0x0)
r4 = syz_genetlink_get_family_id$batadv(&(0x7f00000001c0), 0xffffffffffffffff)
sendmsg$BATADV_CMD_SET_MESH(r1, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r4, 0x10, 0x70bd27, 0x25dfdbfc, {}, [@BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x3f}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x4}, @BATADV_ATTR_VLANID={0x6, 0x28, 0x1}, @BATADV_ATTR_HARD_IFINDEX={0x8}, @BATADV_ATTR_HOP_PENALTY={0x5, 0x35, 0x3}, @BATADV_ATTR_HARD_IFINDEX={0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x48030}, 0x20000001)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)={0x6c, 0x0, 0x1}, 0x6c}}, 0x0)

00:58:23 executing program 1:
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000000)={0x9, 0x4, {0x57, 0x7, 0x5, {0x6}, {0x4, 0xac4}, @cond=[{0xc065, 0xfff, 0x1, 0x80, 0xe24c, 0x5}, {0x8000, 0xec9, 0x8, 0x1, 0x40, 0x81}]}, {0x51, 0x7, 0x30f6, {0xeabe, 0x7}, {0x1, 0x7ff}, @cond=[{0x596, 0x9, 0x9, 0x1, 0x3ff, 0xffc1}, {0xffff, 0x9, 0x8, 0xcb58, 0x81, 0x1075}]}})
r0 = syz_init_net_socket$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$nbd(&(0x7f00000005c0), r2)
ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000100)={{0x1, 0x1, 0x18, <r3=>0xffffffffffffffff}, './file0\x00'})
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f00000002c0)={0x49, 0x29, 0x2, {0x8009, [{{0x2, 0x1}, 0x4, 0x7, 0x7, './file0'}, {{0x20, 0x0, 0x8}, 0x0, 0x81, 0x7, './file0'}]}}, 0x49)
r6 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r6)
r7 = socket(0xf, 0xa, 0xf9)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r7)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x6c, 0x0, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x4)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r8, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

[ 2171.487392] block nbd1: not configured, cannot reconfigure
00:58:23 executing program 3:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
ioctl$SNDCTL_TMR_STOP(r0, 0x5403)
setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000180)={@mcast1}, 0x14)
write$P9_RATTACH(r0, &(0x7f0000000280)={0x14, 0x69, 0x2, {0x0, 0x1, 0x7}}, 0x14)
write$P9_RREADDIR(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB="2a002188218b3e975700fe0f00000240000000060000000000000008000000000100000407002e2f66696c65300000000000000000"], 0x2a)
ioctl$SNDCTL_SEQ_RESETSAMPLES(r0, 0x40045109, &(0x7f0000000080)=0x3)
r1 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r1)
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000002c0), 0x22200, 0x0)
ioctl$SNDCTL_MIDI_INFO(r2, 0xc074510c, &(0x7f0000000300)={"ba75eca6ee29c1706f0ede4b0eb77576e1b6afdae5fe92199ecc8b44f24f", 0x5, 0x1, 0x80000000, [0x34ed5322, 0x5, 0x1, 0x1ff, 0x9, 0x0, 0xdf00, 0x4, 0xfffffffb, 0x2, 0x0, 0x326, 0x1, 0x1000, 0x2, 0x6, 0x80000000, 0x6]})
r3 = socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$batadv(&(0x7f0000000440), r1)
sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r3, &(0x7f0000000540)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000500)={&(0x7f0000000480)={0x4c, r4, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0xfff}, @BATADV_ATTR_HARD_IFINDEX={0x8}, @BATADV_ATTR_FRAGMENTATION_ENABLED={0x5}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0xb5e}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_ELP_INTERVAL={0x8, 0x3a, 0x1}, @BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x3ff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4040010}, 0x40)
ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000200)={0x0, 0x3, 0x6, 0x1})
write$P9_RSETATTR(r0, &(0x7f0000000140)={0x7, 0x1b, 0x1}, 0x7)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
ioctl$SNDCTL_SEQ_OUTOFBAND(r5, 0x40085112, &(0x7f00000003c0)=@v={0x93, 0x3, 0x0, 0x14, @generic=0x2a, 0x2, 0x3fc0})
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, &(0x7f0000000040)={0x8}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, 0x0, 0x10)

[ 2171.533600] nbd: must specify a device to reconfigure
00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)

[ 2171.553597] Restarting kernel threads ... done.
00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x1, 0x0, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x9, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r2, 0x1, 0x0, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:23 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)
write$P9_RWALK(0xffffffffffffffff, &(0x7f0000000140)={0x4a, 0x6f, 0x2, {0x5, [{0x80, 0x1, 0x3}, {0x2, 0x4, 0x2}, {0x80, 0x1}, {0x80, 0x4, 0x3}, {0x80, 0x4, 0x7}]}}, 0x4a)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&{'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20006000}, 0x81)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)

[ 2171.616659] block nbd1: not configured, cannot reconfigure
[ 2171.639942] nbd: must specify a device to reconfigure
00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 3:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2171.670198] Restarting kernel threads ... done.
[ 2171.689611] block nbd5: not configured, cannot reconfigure
00:58:23 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)
write$P9_RWALK(0xffffffffffffffff, &(0x7f0000000140)={0x4a, 0x6f, 0x2, {0x5, [{0x80, 0x1, 0x3}, {0x2, 0x4, 0x2}, {0x80, 0x1}, {0x80, 0x4, 0x3}, {0x80, 0x4, 0x7}]}}, 0x4a)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&{'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20006000}, 0x81)

00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x300, 0x70bd26, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x801}, 0x10)

00:58:23 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)
write$P9_RWALK(0xffffffffffffffff, &(0x7f0000000140)={0x4a, 0x6f, 0x2, {0x5, [{0x80, 0x1, 0x3}, {0x2, 0x4, 0x2}, {0x80, 0x1}, {0x80, 0x4, 0x3}, {0x80, 0x4, 0x7}]}}, 0x4a)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x4c, 0x0, 0x8, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '&{'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x20006000}, 0x81)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 3:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x10)

00:58:23 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$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)

[ 2171.797124] block nbd5: not configured, cannot reconfigure
[ 2171.806146] Restarting kernel threads ... done.
00:58:23 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)
write$P9_RWALK(0xffffffffffffffff, &(0x7f0000000140)={0x4a, 0x6f, 0x2, {0x5, [{0x80, 0x1, 0x3}, {0x2, 0x4, 0x2}, {0x80, 0x1}, {0x80, 0x4, 0x3}, {0x80, 0x4, 0x7}]}}, 0x4a)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000040)={{0x1, 0x1, 0x18, <r1=>0xffffffffffffffff, {0x6ac}}, './file0\x00'})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000140)={&(0x7f0000000680)={0x70, 0x0, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffffff7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xffffffffffffff95, 0x3, 0x53}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0xffffffffffffff92}, 0x1, 0x0, 0x0, 0x8894}, 0x20008000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r2)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r6)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000200)={0xf0, r7, 0x300, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xcc, 0xa, '}\\\xf5.CF\xc8~\xbb`\x14\f\x86U\xa9\x93\xf5\xb0\xc7\xb6\x87\xa87\\=\xf0.\x0f\x84\x1f\a\x84\x88\xa0X\x03|\xad2\xd4i\x90\x86IF\x16\xa0Z~\xab\xc317\xdev\x023\xa2n\xd0\xabL\xd1\"\x13\x86\x14r\xaew\xd1A\x8a\x96\xb1\x0eD\x80U\xb9$~3\xb4\xf1kcX\x88(\x0f\xc1I\a\xbf\x9e\xff\x81\x9c\xf1|\x1f4\x86z\xee\xf9~\x8e3\xb1\xc3\xc1\xfe\xcf\x9bR\x93\xdf\\\xedc<t\xd2\r\x03\xe8\x94g\xad\xa3i\n\xee\xfcP9\xabobb\x7fuFH?\x90$\xb6\xe9\n\x8f\x9aw\x88HY\xcc\x85\xfa\xb6\xabI\xd6\x17\x81v\xc0\x8cU\x1cAp\x10\xabZ\xbe^\x8e\xf2\xf6\xd6>\a\x97\x1e*\xeb\x0f!\x8e\xba8Z\xb35oG\x99'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0xf0}, 0x1, 0x0, 0x0, 0x4002}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)={<r8=>0xffffffffffffffff})
r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r9, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r10 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r11, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000600)={&(0x7f0000000580)={0x1c, r3, 0x0, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x800)
write$P9_RREADDIR(r10, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={<r12=>0xffffffffffffffff})
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f0000000500)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x74, r4, 0x200, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r10}, {0x8, 0x1, r12}, {0x8, 0x1, r1}, {0x8, 0x1, r1}]}]}, 0x74}, 0x1, 0x0, 0x0, 0xc480}, 0x40000)

00:58:23 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2171.880632] Restarting kernel threads ... done.
00:58:23 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:23 executing program 2:
r0 = socket(0x28, 0x1, 0x0)
sendmsg$BATADV_CMD_GET_GATEWAYS(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)

00:58:23 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 1:
sendmsg$AUDIT_MAKE_EQUIV(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:23 executing program 2:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x8001, 0x0)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x1, 0x9}, &(0x7f0000000040)={0x8, 0xfffffffffffffffd, 0x0, 0xfffffffffffffffc, 0x3, 0x0, 0x1, 0x200000000}, 0x0, &(0x7f00000000c0)={0x77359400})

00:58:23 executing program 1:
sendmsg$AUDIT_MAKE_EQUIV(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2172.043469] Restarting kernel threads ... done.
00:58:23 executing program 1:
sendmsg$AUDIT_MAKE_EQUIV(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x7f^-]+).,'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x3c}}, 0x40)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))

00:58:23 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x7f^-]+).,'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x3c}}, 0x40)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))

00:58:23 executing program 1:
r0 = socket(0x0, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

[ 2172.070571] nbd: couldn't find a device at index 131072
[ 2172.102310] nbd: must specify at least one socket
00:58:23 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:23 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:23 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x7f^-]+).,'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x3c}}, 0x40)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))

[ 2172.164858] nbd: must specify at least one socket
[ 2172.182179] nbd: couldn't find a device at index 131072
[ 2172.200410] nbd: must specify at least one socket
00:58:24 executing program 1:
r0 = socket(0x0, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 3:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f00000001c0)={0x1, 0x40, {0x54, 0x3, 0x2, {0x8b0b, 0x9c52}, {0x6, 0x3}, @ramp={0x1000, 0x2, {0xb86, 0xf104, 0x5, 0x8}}}, {0x57, 0x6, 0xa1, {0x8001, 0x400}, {0x0, 0x100}, @period={0x5c, 0x0, 0x7, 0x4, 0x2, {0xff, 0x5, 0x100, 0x27a4}, 0x9, &(0x7f0000000080)=[0x3f, 0x2, 0xe4, 0xff, 0x0, 0x4, 0x1, 0x7, 0xffff]}}})
clock_gettime(0x0, &(0x7f0000000140)={<r0=>0x0, <r1=>0x0})
select(0x40, &(0x7f0000000000)={0x8000, 0x20000000000}, &(0x7f0000000040)={0x8, 0x0, 0x0, 0x0, 0x0, 0x7ff, 0x9}, 0x0, &(0x7f00000000c0)={r0, r1/1000+10000})
r2 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r2)
write$snapshot(0xffffffffffffffff, &(0x7f0000000180)="8af7849f78f02e0beebe43d40e730aa53b5adcf562cdb3fae6244d73b16f2fa3ad8fb567a53d50a62b945f01c1560eba48d2e2", 0x33)
r3 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r3)
r4 = getpid()
sched_rr_get_interval(r4, &(0x7f0000000240))
r5 = socket$nl_generic(0x10, 0x3, 0x10)
r6 = getpid()
sched_rr_get_interval(r6, &(0x7f0000000440))
r7 = syz_genetlink_get_family_id$batadv(&(0x7f0000000300), r3)
sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r5, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r7, @ANYBLOB="384820a939305be983f0fd3d03000326bd7080ffdbdf250e00000008002b00054bcb0edbc428638b153c74582a3fff030000"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000)
ioctl$SIOCGSTAMP(r5, 0x8906, &(0x7f0000000280))

[ 2172.218938] nbd: couldn't find a device at index 131072
00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2172.270976] nbd: must specify at least one socket
[ 2172.288042] nbd: couldn't find a device at index 131072
00:58:24 executing program 1:
r0 = socket(0x0, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 3:
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f00000001c0)={0x1, 0x40, {0x54, 0x3, 0x2, {0x8b0b, 0x9c52}, {0x6, 0x3}, @ramp={0x1000, 0x2, {0xb86, 0xf104, 0x5, 0x8}}}, {0x57, 0x6, 0xa1, {0x8001, 0x400}, {0x0, 0x100}, @period={0x5c, 0x0, 0x7, 0x4, 0x2, {0xff, 0x5, 0x100, 0x27a4}, 0x9, &(0x7f0000000080)=[0x3f, 0x2, 0xe4, 0xff, 0x0, 0x4, 0x1, 0x7, 0xffff]}}})
clock_gettime(0x0, &(0x7f0000000140)={<r0=>0x0, <r1=>0x0})
select(0x40, &(0x7f0000000000)={0x8000, 0x20000000000}, &(0x7f0000000040)={0x8, 0x0, 0x0, 0x0, 0x0, 0x7ff, 0x9}, 0x0, &(0x7f00000000c0)={r0, r1/1000+10000})
r2 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r2)
write$snapshot(0xffffffffffffffff, &(0x7f0000000180)="8af7849f78f02e0beebe43d40e730aa53b5adcf562cdb3fae6244d73b16f2fa3ad8fb567a53d50a62b945f01c1560eba48d2e2", 0x33)
r3 = socket(0xf, 0xa, 0x5)
syz_genetlink_get_family_id$batadv(&(0x7f0000000380), r3)
r4 = getpid()
sched_rr_get_interval(r4, &(0x7f0000000240))
r5 = socket$nl_generic(0x10, 0x3, 0x10)
r6 = getpid()
sched_rr_get_interval(r6, &(0x7f0000000440))
r7 = syz_genetlink_get_family_id$batadv(&(0x7f0000000300), r3)
sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r5, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r7, @ANYBLOB="384820a939305be983f0fd3d03000326bd7080ffdbdf250e00000008002b00054bcb0edbc428638b153c74582a3fff030000"], 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40000)
ioctl$SIOCGSTAMP(r5, 0x8906, &(0x7f0000000280))

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:24 executing program 1:
r0 = socket(0x1, 0x0, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:24 executing program 3:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})

00:58:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="28000000631d004db2c1e7dfccc374c1316e", @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e0800010000000000"], 0x28}}, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x0, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x0, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x7f^-]+).,'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x3c}}, 0x40)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 1:
socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2172.551649] nbd: must specify at least one socket
00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x7f^-]+).,'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x3c}}, 0x40)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

00:58:24 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_RECONFIGURE(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="df"], 0x58}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x3c, r6, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '\x7f^-]+).,'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x3c}}, 0x40)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08000100000002004a0c18ee4ea8f85db4cec671e0a1a08888403f2d"], 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0))
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

00:58:24 executing program 1:
socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2172.576003] nbd: couldn't find a device at index 131072
00:58:24 executing program 1:
socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000400)=ANY=[], 0x64}, 0x1, 0x0, 0x0, 0x600c014}, 0x0)

[ 2172.656292] nbd: must specify at least one socket
[ 2172.669437] Restarting kernel threads ... done.
[ 2172.679082] nbd: couldn't find a device at index 131072
[ 2172.694146] nbd: must specify at least one socket
00:58:24 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2172.707432] nbd: couldn't find a device at index 131072
00:58:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r9, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80840}, 0x4080)

00:58:24 executing program 2:
r0 = socket(0x1, 0x3, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, 0x0, 0x81)

00:58:24 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2172.784614] Restarting kernel threads ... done.
00:58:24 executing program 2:
r0 = socket(0x1, 0x3, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, 0x0, 0x81)

00:58:24 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2172.817714] nbd: must specify at least one socket
00:58:24 executing program 2:
r0 = socket(0x1, 0x3, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, 0x0, 0x81)

[ 2172.858646] Restarting kernel threads ... done.
00:58:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r9, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80840}, 0x4080)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)=ANY=[@ANYBLOB="30000000f70300012cbd7000fdb20c4709f94aab120f7a8cba5809dbdf25070000001000007cf15c6b3fdb2c3cb89dd6cea4002e2f664d6c65302e2f66"], 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 2:
connect$vsock_dgram(0xffffffffffffffff, 0x0, 0x0)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2172.934847] Restarting kernel threads ... done.
00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

[ 2172.975813] nbd: must specify at least one socket
00:58:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r10, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r9, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x20}, 0x1, 0x0, 0x0, 0x80840}, 0x4080)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, 0x0, 0x0)

00:58:24 executing program 2:
connect$vsock_dgram(0xffffffffffffffff, 0x0, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)

00:58:24 executing program 2:
connect$vsock_dgram(0xffffffffffffffff, 0x0, 0x0)

[ 2173.079521] nbd: must specify at least one socket
00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:24 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:24 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)

00:58:24 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:24 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2173.134786] Restarting kernel threads ... done.
00:58:24 executing program 2:
r0 = socket(0x0, 0x3, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:24 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x30}, 0x1, 0x0, 0x0, 0x4000008}, 0x81)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0)

[ 2173.192824] nbd: must specify at least one socket
00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x30}}, 0x81)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 2:
r0 = socket(0x0, 0x3, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={0x0, 0x28}}, 0x0)

00:58:25 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x30}}, 0x0)

[ 2173.295841] nbd: must specify at least one socket
00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={0x0, 0x28}}, 0x0)

00:58:25 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x30}}, 0x0)

00:58:25 executing program 2:
r0 = socket(0x0, 0x3, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2173.357665] Restarting kernel threads ... done.
00:58:25 executing program 1:
r0 = socket(0x1, 0x3, 0x0)
sendmsg$AUDIT_MAKE_EQUIV(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x30}}, 0x0)

00:58:25 executing program 2:
r0 = socket(0x1, 0x0, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={0x0, 0x28}}, 0x0)

00:58:25 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2173.435024] nbd: must specify at least one socket
00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2173.586576] nbd: must specify at least one socket
00:58:25 executing program 2:
r0 = socket(0x1, 0x0, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2173.634545] Restarting kernel threads ... done.
00:58:25 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2], 0x28}}, 0x0)

00:58:25 executing program 2:
r0 = socket(0x1, 0x0, 0x0)
connect$vsock_dgram(r0, 0x0, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2], 0x28}}, 0x0)

00:58:25 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 2:
socket(0x1, 0x3, 0x0)
connect$vsock_dgram(0xffffffffffffffff, 0x0, 0x0)

[ 2173.721976] nbd: must specify at least one socket
00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2], 0x28}}, 0x0)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 2:
socket(0x1, 0x3, 0x0)
connect$vsock_dgram(0xffffffffffffffff, 0x0, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x28}}, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x28}}, 0x0)

[ 2173.807285] nbd: must specify at least one socket
00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 2:
socket(0x1, 0x3, 0x0)
connect$vsock_dgram(0xffffffffffffffff, 0x0, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB], 0x28}}, 0x0)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2173.922660] Restarting kernel threads ... done.
[ 2173.935588] nbd: must specify at least one socket
00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x28}}, 0x0)

00:58:25 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2173.969166] nbd: must specify at least one socket
00:58:25 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 1:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x28}}, 0x0)

[ 2174.052839] Restarting kernel threads ... done.
[ 2174.063537] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2174.075747] nbd: must specify a device to reconfigure
[ 2174.084045] nbd: must specify at least one socket
00:58:25 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r7)
r8 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r8, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x34, r6, 0x10, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:25 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:25 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000"], 0x28}}, 0x0)

[ 2174.166524] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2174.169556] Restarting kernel threads ... done.
[ 2174.196588] nbd: must specify a device to reconfigure
[ 2174.212092] nbd: must specify at least one socket
00:58:26 executing program 1:
socket(0x1, 0x3, 0x0)
connect$vsock_dgram(0xffffffffffffffff, &(0x7f0000000100)={0x28, 0x0, 0x1}, 0x10)

00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r7, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
r7 = socket(0xf, 0xa, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8001}]}, 0x20}, 0x1, 0x0, 0x0, 0x40814}, 0x48010)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r3)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}\\\xf5.'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0)

[ 2174.268773] Restarting kernel threads ... done.
[ 2174.274390] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a"], 0x28}}, 0x0)

[ 2174.314046] nbd: must specify a device to reconfigure
[ 2174.322186] nbd: must specify at least one socket
[ 2174.347282] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r7, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2174.358240] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2174.360777] Restarting kernel threads ... 
[ 2174.369736] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2174.379738] done.
[ 2174.391752] nbd: must specify a device to reconfigure
[ 2174.399822] nbd: must specify at least one socket
00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
r7 = socket(0xf, 0xa, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a"], 0x28}}, 0x0)

00:58:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a"], 0x28}}, 0x0)

[ 2174.424057] block nbd2: not configured, cannot reconfigure
00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2174.487359] nbd: must specify at least one socket
[ 2174.492497] Restarting kernel threads ... done.
[ 2174.495854] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2174.521939] nbd: must specify a device to reconfigure
[ 2174.531796] nbd: must specify a device to reconfigure
00:58:26 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r7, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a"], 0x28}}, 0x0)

00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2174.544594] nbd: must specify at least one socket
00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r7, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2174.570162] Restarting kernel threads ... done.
00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r5, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
r7 = socket(0xf, 0xa, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r3, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)

00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2174.594963] nbd: must specify at least one socket
00:58:26 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5c"], 0x28}}, 0x0)

00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2174.632419] nbd: must specify at least one socket
[ 2174.652153] nbd: must specify a device to reconfigure
[ 2174.671091] Restarting kernel threads ... done.
00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5c"], 0x28}}, 0x0)

[ 2174.705908] nbd: must specify a device to reconfigure
00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
r6 = socket(0xf, 0xa, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2174.742183] nbd: must specify at least one socket
[ 2174.747882] nbd: must specify at least one socket
[ 2174.767115] Restarting kernel threads ... done.
00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 2:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5c"], 0x28}}, 0x0)

[ 2174.803195] nbd: must specify a device to reconfigure
[ 2174.848166] nbd: must specify at least one socket
00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2174.876981] Restarting kernel threads ... done.
00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2174.928310] nbd: must specify a device to reconfigure
00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e"], 0x28}}, 0x0)

00:58:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2174.953781] Restarting kernel threads ... done.
00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, 0x0, 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x2043, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2174.996363] nbd: must specify at least one socket
00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e"], 0x28}}, 0x0)

00:58:26 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r4, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:26 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2175.059698] nbd: must specify a device to reconfigure
[ 2175.078989] nbd: must specify at least one socket
00:58:26 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2175.136713] nla_parse: 26 callbacks suppressed
[ 2175.136720] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2175.156143] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2175.166636] Restarting kernel threads ... done.
[ 2175.172385] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
00:58:26 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:26 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.182057] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2175.195889] nbd: must specify at least one socket
[ 2175.206144] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2175.220469] nbd: must specify a device to reconfigure
00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e"], 0x28}}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(0xffffffffffffffff, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2175.244475] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2175.264741] Restarting kernel threads ... done.
[ 2175.280363] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.304521] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2175.319748] nbd: must specify a device to reconfigure
[ 2175.326400] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(0xffffffffffffffff, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.349581] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
write$P9_RREADDIR(r3, &(0x7f0000000280)={0x2a, 0x29, 0x2, {0xffe, [{{0x2, 0x0, 0x6}, 0x8, 0x4, 0x7, './file0'}]}}, 0x2a)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(0xffffffffffffffff, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2175.381316] Restarting kernel threads ... done.
[ 2175.398441] nbd: must specify at least one socket
00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2175.473018] Restarting kernel threads ... done.
00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 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, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2175.496177] nbd: must specify at least one socket
00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r2, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2175.569815] nbd: must specify at least one socket
[ 2175.582126] Restarting kernel threads ... done.
00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x2080, 0x0)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(0xffffffffffffffff, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00\x00', @ANYRES16, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.621531] nbd: must specify at least one socket
00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.689944] Restarting kernel threads ... done.
[ 2175.691514] nbd: must specify at least one socket
00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)

[ 2175.770071] Restarting kernel threads ... done.
00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 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(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.804842] nbd: must specify at least one socket
00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2175.831739] Restarting kernel threads ... done.
00:58:27 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2175.872346] nbd: must specify at least one socket
00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2175.931676] Restarting kernel threads ... 
[ 2175.939932] nbd: must specify at least one socket
[ 2175.942641] done.
00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 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(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2176.032967] nbd: must specify at least one socket
00:58:27 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(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.066776] Restarting kernel threads ... done.
00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 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(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.097910] nbd: must specify at least one socket
00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 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$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:27 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:27 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:27 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:27 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 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$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:27 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 2176.169704] nbd: must specify at least one socket
00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 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$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2176.240566] nbd: must specify at least one socket
00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x0, 0x0, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2176.299812] Restarting kernel threads ... done.
[ 2176.307434] nbd: must specify at least one socket
00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 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, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYBLOB='(\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

[ 2176.384807] nbd: must specify at least one socket
00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 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, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2176.433537] Restarting kernel threads ... done.
00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 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, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.461352] nbd: must specify at least one socket
00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2176.504635] nbd: must specify at least one socket
00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2176.536899] nbd: must specify at least one socket
[ 2176.536900] Restarting kernel threads ... done.
[ 2176.564870] nbd: must specify at least one socket
00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 2176.614193] nbd: must specify at least one socket
00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 4:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(0xffffffffffffffff, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:28 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2176.644784] nbd: must specify at least one socket
00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.684028] Restarting kernel threads ... done.
00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2176.712300] nbd: must specify at least one socket
00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.774334] nbd: must specify at least one socket
00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.797453] nbd: must specify at least one socket
00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2176.834992] nbd: must specify at least one socket
00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2176.876389] nbd: must specify at least one socket
00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2176.912788] Restarting kernel threads ... done.
00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r6)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2176.960727] nbd: must specify at least one socket
00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.013914] Restarting kernel threads ... done.
[ 2177.023110] nbd: must specify at least one socket
00:58:28 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x2080, 0x0)

00:58:28 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000040)=ANY=[@ANYRES16=r2, @ANYBLOB="01000000000000000000030000000400078008000a007d5cf52e08"], 0x28}}, 0x0)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2177.124539] Restarting kernel threads ... done.
00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x0, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:28 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, 0x0, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:28 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:28 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.216961] Restarting kernel threads ... done.
00:58:29 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x2080, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.255338] nbd: must specify at least one socket
00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2177.291590] Restarting kernel threads ... done.
00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x0, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2177.370331] nbd: must specify a size in bytes for the device
00:58:29 executing program 0:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.412391] Restarting kernel threads ... done.
00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.477434] nbd: must specify a size in bytes for the device
00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.519197] Restarting kernel threads ... done.
00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.541158] nbd: must specify a size in bytes for the device
00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, 0x0, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2177.581434] Restarting kernel threads ... done.
00:58:29 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$nbd(&(0x7f0000000400), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r1)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r5)
syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r5)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000540)={0x48, r4, 0x20, 0x70bd27, 0x25dfdffe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0x0, 0x2, 0x200}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0x20, 0x2, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '&&!'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x24000050)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.711010] Restarting kernel threads ... done.
00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.739841] nbd: must specify at least one socket
00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2177.803814] nbd: must specify a size in bytes for the device
00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.852481] Restarting kernel threads ... 
[ 2177.853942] nbd: must specify a size in bytes for the device
[ 2177.858134] done.
[ 2177.891548] nbd: must specify a size in bytes for the device
00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r3)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r4)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2177.954442] nbd: must specify a size in bytes for the device
[ 2177.981770] Restarting kernel threads ... done.
00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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$nbd(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2178.090970] Restarting kernel threads ... done.
00:58:29 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:29 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 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_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:29 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:29 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.213996] Restarting kernel threads ... done.
00:58:30 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2178.263475] Restarting kernel threads ... done.
00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:30 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2178.395552] Restarting kernel threads ... done.
00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.457229] Restarting kernel threads ... done.
00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

[ 2178.531494] Restarting kernel threads ... done.
00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.608198] Restarting kernel threads ... done.
00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, &(0x7f00000000c0)={0x0, 0x2710})
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240), 0x2080, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.764477] nbd: nbd2 already in use
00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.839766] Restarting kernel threads ... done.
00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x2080, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.866450] nbd: must specify at least one socket
00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.933559] nbd: must specify at least one socket
00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 5:
r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040), 0x80801, 0x0)
read$snapshot(r0, 0x0, 0x0)
ioctl$SNAPSHOT_AVAIL_SWAP_SIZE(r0, 0x80083313, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x111040, 0x0)
ioctl$SNAPSHOT_FREE(r0, 0x3305)
ioctl$SNAPSHOT_FREE_SWAP_PAGES(0xffffffffffffffff, 0x3309)
select(0x40, &(0x7f0000000000)={0x0, 0x20000000000000, 0x0, 0x2, 0x0, 0x5, 0x2}, &(0x7f0000000040)={0x7, 0x0, 0x10001}, 0x0, 0x0)
openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0)

00:58:30 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2178.967481] Restarting kernel threads ... done.
00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 2179.015307] nbd: must specify at least one socket
00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x98, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2179.054618] nbd: must specify at least one socket
00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2179.105711] Restarting kernel threads ... done.
00:58:30 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:30 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2179.127794] nbd: must specify at least one socket
00:58:30 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:30 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:30 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2179.180882] nbd: must specify at least one socket
00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r2)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x78, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x78}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x98, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2179.291065] nbd: must specify a size in bytes for the device
00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), 0xffffffffffffffff)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r2)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2179.368201] nbd: must specify a size in bytes for the device
00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000001}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2179.439962] nbd: must specify a size in bytes for the device
00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x78, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x78}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa4, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xb0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(0x0, r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xb4, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xb4}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, 0x0, 0x4004000)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, 0x0, 0x4004000)

00:58:31 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:31 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2180.162091] nla_parse: 316 callbacks suppressed
[ 2180.162096] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2180.175541] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2180.184628] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2180.193284] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2180.202244] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, 0x0, 0x4004000)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2180.210867] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2180.219433] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 2180.227984] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2180.301055] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
[ 2180.315938] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}}, 0x0)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

[ 2180.484455] nbd: must specify a size in bytes for the device
00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x9c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x9c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 2180.592235] nbd: must specify a size in bytes for the device
00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa8, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa8}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2180.758249] nbd: must specify at least one socket
00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2180.813755] nbd: must specify at least one socket
00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x6c}}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2180.867005] nbd: must specify at least one socket
00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x8c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:32 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:32 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0xa0, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0xa0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2181.431182] nbd: must specify at least one socket
00:58:33 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(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2181.511206] nbd: must specify at least one socket
00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x98, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x98}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2181.572562] nbd: must specify at least one socket
00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:33 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x0, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x80, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2181.773628] nbd: must specify a size in bytes for the device
00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x78, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x78}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2181.853524] nbd: must specify a size in bytes for the device
00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2181.934764] nbd: must specify a size in bytes for the device
00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:33 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:33 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x1c, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:33 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x90, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2182.426374] nbd: must specify a size in bytes for the device
00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2182.489482] nbd: must specify a size in bytes for the device
00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x20, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x20}, 0x1, 0x0, 0x0, 0x20000040}, 0x4004000)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x58}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}}, 0x4004000)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x7c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}}, 0x4004000)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}}, 0x4004000)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2182.971251] nbd: must specify at least one socket
00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2183.033643] nbd: must specify at least one socket
00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2183.058178] nbd: must specify at least one socket
00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}}, 0x0)

[ 2183.080585] nbd: must specify at least one socket
00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2183.112500] nbd: must specify at least one socket
[ 2183.127697] nbd: must specify at least one socket
00:58:34 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x0)

00:58:34 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}}, 0x0)

00:58:34 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:34 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x94, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x94}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x60}}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x6c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2)
syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), r3)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x28, 0x0, 0x4, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000040}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x54}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 executing program 4:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:35 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x64, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2184.432812] nbd: must specify at least one socket
00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x50}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2184.670254] nbd: nbd5 already in use
00:58:36 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_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x8c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2184.737520] nbd: must specify at least one socket
00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x70}}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x8c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x8c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:36 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:36 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x8c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2185.229386] nla_parse: 498 callbacks suppressed
[ 2185.229393] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.259815] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.272278] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.289444] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.304771] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.313877] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2185.436424] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.446958] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.455525] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 2185.464429] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x3c}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:37 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:37 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:38 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x74, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x74}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

00:58:38 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

00:58:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2186.414860] nbd: must specify a size in bytes for the device
00:58:38 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

00:58:38 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x68, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x80}, 0x0)

[ 2186.577305] nbd: must specify a size in bytes for the device
00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x84, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x84}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 5:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x88, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x88}, 0x1, 0x0, 0x0, 0x80}, 0x0)

00:58:38 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, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

[ 2186.777830] ==================================================================
[ 2186.785399] BUG: KASAN: use-after-free in refcount_dec_not_one+0x9a/0xc0
[ 2186.792234] Read of size 4 at addr ffff8880a2310b58 by task systemd-udevd/18397
[ 2186.799671] 
[ 2186.801302] CPU: 0 PID: 18397 Comm: systemd-udevd Not tainted 4.14.302-syzkaller #0
[ 2186.809084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 2186.818421] Call Trace:
[ 2186.820995]  dump_stack+0x1b2/0x281
[ 2186.824605]  print_address_description.cold+0x54/0x1d3
[ 2186.829869]  kasan_report_error.cold+0x8a/0x191
[ 2186.834530]  ? refcount_dec_not_one+0x9a/0xc0
[ 2186.839011]  __asan_report_load4_noabort+0x68/0x70
[ 2186.843918]  ? refcount_dec_not_one+0x9a/0xc0
[ 2186.848396]  refcount_dec_not_one+0x9a/0xc0
[ 2186.852709]  refcount_dec_and_mutex_lock+0x1a/0x60
[ 2186.857624]  nbd_release+0xf3/0x150
[ 2186.861400]  ? nbd_ioctl+0xad0/0xad0
[ 2186.865093]  __blkdev_put+0x5aa/0x800
[ 2186.868888]  ? revalidate_disk+0x1f0/0x1f0
[ 2186.873104]  ? locks_remove_file+0x2cd/0x420
[ 2186.877490]  ? blkdev_put+0x75/0x4c0
[ 2186.881193]  ? blkdev_put+0x4c0/0x4c0
[ 2186.884966]  blkdev_close+0x86/0xb0
[ 2186.888577]  __fput+0x25f/0x7a0
[ 2186.891843]  task_work_run+0x11f/0x190
[ 2186.895719]  exit_to_usermode_loop+0x1ad/0x200
[ 2186.900295]  do_syscall_64+0x4a3/0x640
[ 2186.904178]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2186.909348] RIP: 0033:0x7f32f221e270
[ 2186.913042] RSP: 002b:00007fff90a88868 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 2186.920722] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f32f221e270
[ 2186.927975] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007
[ 2186.935226] RBP: 00007f32f30d8710 R08: 000055cd17c8ed60 R09: 0000000000000018
[ 2186.942472] R10: 000055cd17c8b8f8 R11: 0000000000000246 R12: 0000000000000000
[ 2186.949721] R13: 000055cd17c8dd40 R14: 0000000000000003 R15: 000000000000000e
[ 2186.956978] 
[ 2186.958587] Allocated by task 18404:
[ 2186.962282]  kasan_kmalloc+0xeb/0x160
[ 2186.966160]  kmem_cache_alloc_trace+0x131/0x3d0
[ 2186.970811]  nbd_dev_add+0x7c/0x800
[ 2186.974419]  nbd_genl_connect+0x3a4/0x13e0
[ 2186.978643]  genl_family_rcv_msg+0x572/0xb20
[ 2186.983036]  genl_rcv_msg+0xaf/0x140
[ 2186.986736]  netlink_rcv_skb+0x125/0x390
[ 2186.990787]  genl_rcv+0x24/0x40
[ 2186.994159]  netlink_unicast+0x437/0x610
[ 2186.998205]  netlink_sendmsg+0x648/0xbc0
[ 2187.002247]  sock_sendmsg+0xb5/0x100
[ 2187.005940]  ___sys_sendmsg+0x6c8/0x800
[ 2187.009908]  __sys_sendmsg+0xa3/0x120
[ 2187.013704]  SyS_sendmsg+0x27/0x40
[ 2187.017235]  do_syscall_64+0x1d5/0x640
[ 2187.021110]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2187.026276] 
[ 2187.027897] Freed by task 18397:
[ 2187.031251]  kasan_slab_free+0xc3/0x1a0
[ 2187.035213]  kfree+0xc9/0x250
[ 2187.038300]  nbd_put.part.0+0x100/0x140
[ 2187.042256]  nbd_config_put+0x51c/0x6c0
[ 2187.046498]  nbd_release+0xdf/0x150
[ 2187.050115]  __blkdev_put+0x5aa/0x800
[ 2187.053902]  blkdev_close+0x86/0xb0
[ 2187.057504]  __fput+0x25f/0x7a0
[ 2187.060768]  task_work_run+0x11f/0x190
[ 2187.064630]  exit_to_usermode_loop+0x1ad/0x200
[ 2187.069201]  do_syscall_64+0x4a3/0x640
[ 2187.073072]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2187.078233] 
[ 2187.079837] The buggy address belongs to the object at ffff8880a2310a80
[ 2187.079837]  which belongs to the cache kmalloc-512 of size 512
[ 2187.092470] The buggy address is located 216 bytes inside of
[ 2187.092470]  512-byte region [ffff8880a2310a80, ffff8880a2310c80)
[ 2187.104320] The buggy address belongs to the page:
[ 2187.109416] page:ffffea000288c400 count:1 mapcount:0 mapping:ffff8880a2310080 index:0x0
[ 2187.117543] flags: 0xfff00000000100(slab)
[ 2187.121678] raw: 00fff00000000100 ffff8880a2310080 0000000000000000 0000000100000006
[ 2187.129552] raw: ffffea0002713760 ffffea0002b9ee20 ffff88813fe74940 0000000000000000
[ 2187.137412] page dumped because: kasan: bad access detected
[ 2187.143108] 
[ 2187.144725] Memory state around the buggy address:
[ 2187.149637]  ffff8880a2310a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 2187.156983]  ffff8880a2310a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2187.164317] >ffff8880a2310b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2187.171655]                                                     ^
[ 2187.177875]  ffff8880a2310b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2187.185219]  ffff8880a2310c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 2187.192588] ==================================================================
[ 2187.199926] Disabling lock debugging due to kernel taint
[ 2187.219078] Kernel panic - not syncing: panic_on_warn set ...
[ 2187.219078] 
[ 2187.226456] CPU: 1 PID: 18397 Comm: systemd-udevd Tainted: G    B           4.14.302-syzkaller #0
[ 2187.235597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 2187.244924] Call Trace:
[ 2187.247488]  dump_stack+0x1b2/0x281
[ 2187.251106]  panic+0x1f9/0x42d
[ 2187.254273]  ? add_taint.cold+0x16/0x16
[ 2187.258220]  ? ___preempt_schedule+0x16/0x18
[ 2187.262624]  kasan_end_report+0x43/0x49
[ 2187.266571]  kasan_report_error.cold+0xa7/0x191
[ 2187.271212]  ? refcount_dec_not_one+0x9a/0xc0
[ 2187.275680]  __asan_report_load4_noabort+0x68/0x70
[ 2187.280655]  ? refcount_dec_not_one+0x9a/0xc0
[ 2187.285125]  refcount_dec_not_one+0x9a/0xc0
[ 2187.289420]  refcount_dec_and_mutex_lock+0x1a/0x60
[ 2187.294332]  nbd_release+0xf3/0x150
[ 2187.297933]  ? nbd_ioctl+0xad0/0xad0
[ 2187.301623]  __blkdev_put+0x5aa/0x800
[ 2187.305407]  ? revalidate_disk+0x1f0/0x1f0
[ 2187.309610]  ? locks_remove_file+0x2cd/0x420
[ 2187.313996]  ? blkdev_put+0x75/0x4c0
[ 2187.317771]  ? blkdev_put+0x4c0/0x4c0
[ 2187.321546]  blkdev_close+0x86/0xb0
[ 2187.325161]  __fput+0x25f/0x7a0
[ 2187.328418]  task_work_run+0x11f/0x190
[ 2187.332364]  exit_to_usermode_loop+0x1ad/0x200
[ 2187.336918]  do_syscall_64+0x4a3/0x640
[ 2187.340778]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[ 2187.345939] RIP: 0033:0x7f32f221e270
[ 2187.349628] RSP: 002b:00007fff90a88868 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 2187.357307] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f32f221e270
[ 2187.364548] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007
[ 2187.371788] RBP: 00007f32f30d8710 R08: 000055cd17c8ed60 R09: 0000000000000018
[ 2187.379033] R10: 000055cd17c8b8f8 R11: 0000000000000246 R12: 0000000000000000
[ 2187.386285] R13: 000055cd17c8dd40 R14: 0000000000000003 R15: 000000000000000e
[ 2187.393864] Kernel Offset: disabled
[ 2187.397471] Rebooting in 86400 seconds..