Hello to all.
I have this problem:
I must move very large files across the intranet; I'm trying to put and
get a file of 8 gigabytes using sftp.
For put: there is no problems!
For get: I got the following coredump:

(gdb) where
#0 libssh2_session_block_directions (session=0x0) at session.c:1642
#1 0x000000366e63dc74 in ssh_block2waitfor (conn=0xee9810, block=<value
optimized out>) at ssh.c:2310
#2 0x000000366e6417e8 in Curl_sftp_recv (conn=0xee9810,
sockindex=<value optimized out>, mem=<value optimized out>, len=<value
optimized out>) at ssh.c:2801
#3 0x000000366e617a12 in Curl_read (conn=0xee9810, sockfd=4,
buf=0xee0e48 "", sizerequested=<value optimized out>, n=0x7ffff777ac40)
at sendf.c:554
#4 0x000000366e62e012 in readwrite_data (conn=0xee9810,
done=0x7ffff777acde) at transfer.c:446
#5 Curl_readwrite (conn=0xee9810, done=0x7ffff777acde) at transfer.c:1684
#6 0x000000366e62fdb8 in Transfer (data=0xee0690) at transfer.c:1960
#7 Curl_perform (data=0xee0690) at transfer.c:2639
#8 0x0000000000400e08 in main () at ftpget.c:75
(gdb)

My source is ftpget.c, one of the examples available:

...
     curl_easy_setopt(curl, CURLOPT_URL,
                      
"sftp://sentinel-sl6//data//testDSDdata//inBasketDC-Implicit//StressTest-6.tar");

     curl_easy_setopt(curl, CURLOPT_MAXFILESIZE, 8589918208L);

     curl_easy_setopt(curl, CURLOPT_USERPWD, "micmaz:12qwas");
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ftpfile);

     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
     res = curl_easy_perform(curl);
...

Configuration:

OS: CentOS kernel: 2.6.32-131.12.1.el6.x86_64
cURL:libcurl/7.19.7 zlib/1.2.3 libidn/1.18 libssh2/1.2.7 libgcrypt-1.4.5-3

Best Regards.
Michele

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