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Message-Id:	<96C102324EF9D411A49500306E06C8D167F3CB@eketsv02.cubis.de>
From:	"Hartmann, Josef" <hartmann AT secunet DOT de>
To:	cygwin AT cygwin DOT com
Subject:	sftp->ls creates sftp-server.exe.stackdump
Date:	Mon, 6 Aug 2001 06:59:20 +0200
MIME-Version:	1.0
X-Mailer:	Internet Mail Service (5.5.2653.19)

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Hi,


I have successfully setup openssh (openssh-2.9p2-3.tar.bz2) on my nt4sp6a
system. Logging on and scp works quite fine. However I am not able to get
sftp to work. I installed sshd as service using cygrunsrv:
$ cygrunsrv.exe -I sshd -p /usr/sbin/sshd -a '-d -d -d' -d 'Cygwin SSHD' -e
'CY
GWIN=ntsec' -1 /tmp/sshd.out -2 /tmp/sshd.err

Furthermore /etc/sshd_config is setup to run sftp:
#Uncomment if you want to enable sftp
Subsystem      sftp    /usr/sbin/sftp-server


Now when I run sftp -vvv hartmann AT localhost everything works fine. I get
authenticated and logged in. However when I run "ls"
sftp-server.exe.stackdump (attached) is created and the client is locked. I
can only press CTRL-C in order to get back to the shell.
------------------------------------------------- sftp session:
sftp> put /tmp/sshd.out .
debug3: Looking up /tmp/sshd.out
debug3: Sent message fd 6 T:17 I:2
debug3: Received stat reply T:105 I:2
Uploading /tmp/sshd.out to /home/hartmann/./sshd.out
debug3: Sent message SSH2_FXP_OPEN I:3 P:/home/hartmann/./sshd.out
debug3: Sent message SSH2_FXP_CLOSE I:4
debug3: SSH2_FXP_STATUS 0
sftp> ls
debug3: Sending SSH2_FXP_READDIR I:6
debug3: Received reply T:104 I:6
debug3: Received 7 SSH2_FXP_NAME responses
drwxrwxrwx    3 hartmann Kein         4096 Aug  15:28 .
drwxrwxrwx    3 hartmann Kein            0 Jul  17:32 ..
-rw-------    1 hartmann Kein         2069 Aug  08:46 .bash_history
drwx------    2 hartmann Kein         4096 Aug  05:52 .ssh
-rw-------    1 hartmann Kein          687 Aug  15:26 .viminfo
-rwxrwxrwx    1 hartmann Kein         1060 Aug  15:18
sftp-server.exe.stackdump
-rw-r--r--    1 hartmann Kein            0 Aug  15:28 sshd.out
debug3: Sending SSH2_FXP_READDIR I:7
Killed by signal 2.
debug1: Calling cleanup 0x415b0c(0x0)
debug1: Calling cleanup 0x4190c8(0x0)
---------------------------------------------------- sshd.err log
subsystem request for sftp
debug1: subsystem: exec() /usr/sbin/sftp-server
debug1: fd 8 setting O_NONBLOCK
debug1: fd 7 setting O_NONBLOCK
debug2: callback done
Connection closed by remote host.
Closing connection to 127.0.0.1
--------------------------------------------------------
 <<sftp-server.exe.stackdump>> 


Regards,
Josef


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Content-Type: application/octet-stream;
	name="sftp-server.exe.stackdump"
Content-Disposition: attachment;
	filename="sftp-server.exe.stackdump"

Exception: STATUS_ACCESS_VIOLATION at eip=77F7754B
eax=00000013 ebx=00000000 ecx=7FFDE000 edx=00000013 esi=FFFFFFFF edi=0A0120B0
ebp=0241B37C esp=0241B32C program=D:\cygwin\install\usr\sbin\sftp-server.exe
cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023
Stack trace:
Frame     Function  Args
0241B37C  77F7754B  (FFFFFFFF, 0241B394, 0A0120B0, 0A0120C0)
0241B5F4  77F0C544  (FFFFFFFF, 0241B874, 0241B654, 61004FA4)
0241B9B4  61004F98  (0A012288, 0241BDA4, 00000000, 00000038)
0241BE54  00402918  (0241BEC4, 0A0100A0, 0241FEC4, 004036FB)
0241BE74  00403411  (00000004, 610903E8, 00000001, 00000000)
0241FEC4  0040376E  (00000001, 1A021B7C, 0A010008, 00000000)
0241FF20  61003AEA  (00000000, 00000000, 00010017, 00000000)
0241FF50  61003CBD  (00000000, 00000000, 8010A83D, 8014E1C4)
0241FF70  61003CFC  (00000000, 00000000, 80116190, 8733AD44)
0241FF90  0040C92B  (00403494, 00000000, 00000246, 80117691)
0241FFC0  0040103D  (00000000, 00000000, 7FFDF000, 7FFDF000)
0241FFF0  77F1BBB5  (00401000, 00000000, 000000B0, 00000100)
End of stack trace

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