Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > gnu.bash.bug > #11370 > unrolled thread

Re: bash-4.3_p39 Segfaults in array_flush at array.c:111 after incorrect conversion from indexed to associative array

Back to article view | Back to gnu.bash.bug

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: bash-4.3_p39 Segfaults in array_flush at array.c:111 after incorrect conversion from indexed to associative array Chet Ramey <chet.ramey@case.edu> - 2015-08-18 10:23 -0400

#11370 — Re: bash-4.3_p39 Segfaults in array_flush at array.c:111 after incorrect conversion from indexed to associative array

[Multipart message — attachments visible in raw view] — view raw

On 8/15/15 9:02 PM, Sergey Tselikh wrote:

> Description:
> An incorrect conversion from indexed to associative array in bash script leads
> bash interpreter to segfault (bash still gives a useful error report in this situation,
> which is good).
> 
> As seen in the output of GDB, bash terminates in array_flush function:
> 
> Core was generated by `../untars/bash-43-39/bash-4.3/root/bin/bash -x repro'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x0000000000470879 in array_flush (a=0x19de728) at array.c:111
> 111             for (r = element_forw(a->head); r != a->head; ) {

Thanks for the report.  The problem was incomplete error propagation.  It
will be fixed for the next release of bash.

I've attached a patch for folks to experiment with; your line numbers will
vary wildly.


Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/

[toc] | [standalone]

Back to top | Article view | gnu.bash.bug

csiph-web