Stdio.sendfile() fails with "Indexing the NULL value with \"call_out\".".
Imported from http://bugzilla.roxen.com/bugzilla/show_bug.cgi?id=7230
Reported by @grubba
: Internal server error in FTP2
14:04:50 : Handling command "MLSD"
1m 9.6s : Indexing the NULL value with "call_out".
: /home/grubba/src/Pike/8.0/build/medaka/test-install/pike/8.0.3/lib/modules/Stdio.pmod/module.pmod:3176: object()->create(({""}),0,-1,-1,0,SSL.File(Stdio.File("socket", "212.247.28.152 64300", 777 /* fd=32 */), SSL.ServerConnection(ready)),/home/grubba/src/Roxen/devel/server/base_server/fastpipe()->sendfile_done)
: /home/grubba/src/Pike/8.0/build/medaka/test-install/pike/8.0.3/lib/modules/Stdio.pmod/module.pmod:2859: Stdio.nb_sendfile()
: /home/grubba/src/Pike/8.0/build/medaka/test-install/pike/8.0.3/lib/modules/Stdio.pmod/module.pmod:3327: Stdio.sendfile(@0=({""}),0,-1,-1,0,@1=SSL.File(Stdio.File("socket", "212.247.28.152 64300", 777 /* fd=32 */), SSL.ServerConnection(ready)),@2=/home/grubba/src/Roxen/devel/server/base_server/fastpipe()->sendfile_done)
: base_server/fastpipe.pike (bd74629d):36: /home/grubba/src/Roxen/devel/server/base_server/fastpipe()->output(@1)
14:04:50 : protocols/ftp.pike (4ac4dc02):2178: /home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->connected_to_send(@1,"",mapping[4],RequestID())
1m 9.6s : protocols/ftp.pike (4ac4dc02):1764: /home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->ftp_async_accept(/home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->connected_to_send,@3=mapping[4],@4=RequestID())
: protocols/ftp.pike (4ac4dc02):2274: /home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->connect_and_send(@3,@4)
: protocols/ftp.pike (4ac4dc02):2721: /home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->send_MLSD_response(([]),@4)
: protocols/ftp.pike (4ac4dc02):3612: /home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->ftp_MLSD("/htbug/")
: protocols/ftp.pike (4ac4dc02):4175: /home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->__lambda_66797_14_line_4172(/home/grubba/src/Roxen/devel/server/protocols/ftp()->FTPSession()->ftp_MLSD,0,"MLSD")
14:04:50 : base_server/roxen.pike (27d0541e):927: roxen()->handler_thread(10)