sshd fork failure

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Sat Oct 13 15:39:00 GMT 2012


On Thu, Aug 30, 2012 at 06:44:39PM +0200, marco atzeri wrote:
>Hi,
>tracing the sshd process on latest cygwin shapshot ,
>I see that the fork is failing due to exception C0000005
>
>     1       1 [main] sshd (4644) 
>**********************************************
>  5921    5922 [main] sshd (4644) Program name: 
>E:\cygwin\usr\sbin\sshd.exe (windows pid 4644)
>    30    5952 [main] sshd (4644) OS version:   Windows NT-6.1
>    25    5977 [main] sshd (4644) 
>**********************************************
>   636    6613 [main] sshd (4644) sigprocmask: 0 = sigprocmask (0, 
>0x6123D428, 0x610FBB30)
>   122    6735 [main] sshd 4644 child_copy: cygheap - hp 0x20C low 
>0x612708D0, high 0x61277640, res 1
>  1368    8103 [main] sshd 4644 child_copy: done
>--- Process 4644, exception C0000005 at 61137277
>
>
>
>$ addr2line.exe 61137277 -e /usr/bin/cygwin1.dll
>/netrel/src/cygwin-snapshot-20120827-1/newlib/libc/stdlib/mbtowc_r.c:323
>
>that should be:
>
>  ch = (state->__count == 1) ? t[i++] : state->__value.__wchb[1];
>
>inside __utf8_mbtowc .
>It looks a strange place for a fork failure, but it is used in
>winsup/cygwin/cygheap.cc so it could make sense.
>
>Any suggestion how to follow/debug the child portion of fork ?

Is this still failing?  We're looking to release 1.7.17 soon.

cgf

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