setup-x86_64: postinstall errors: Package bash 1, Package a2ps 2 and xinit 134
Mon Jul 29 05:19:00 GMT 2013
On 7/28/2013 5:47 PM, Jon TURNEY wrote:
> On 25/07/2013 05:24, Kenneth Wolcott wrote:
>> I downloaded a fresh setup-x86_64.exe from cygwin.com and then ran
>> the update again.
>> Now I get only this postinstall error:
>> Package: xinit
>> xinit.sh exit code 134
> I can reproduce this problem, so I had a go at investigating and fixing it.
> mkshortcut appears to exiting with SIGABRT in free(), which suggests some heap
> corruption, which I managed to track down after a bit of work with dmalloc.
> This appears to be a long standing bug, which for some reason manifests itself
> more severely on x86_64.
> xstrncat() does not allow for the terminating null byte in the memory
> allocation it makes. strncat(dest, src, n) writes n+1 bytes to dest (n from
> src plus the terminating null byte, which is always appended). So, the size
> of dest must be at least strlen(dest)+n+1. Currently only strlen(dest)+n
> bytes are allocated.
> Trivial patch attached.
Thanks, Jon. I'll roll a new release of cygutils immediately for both
x86 and x86_64.
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