Fwd: gawk core dumped on too many input values

Mon Aug 28 08:38:28 GMT 2023

On 2023年8月27日 13:24:55 -0500
Ed Morton wrote:
> This (original email below) turned out to be a general cygwin issue, not 
> a gawk issue:
>> $ LC_ALL=C sed 's/x/y/' $(seq 1000000)
> Segmentation fault (core dumped)
>> $ LC_ALL=C grep 'foo' $(seq 1000000)
> Segmentation fault (core dumped)
>> Regards,
>>     Ed.
>> -------- Forwarded Message --------
> Subject: 	gawk core dumped on too many input values
> Date: 	2023年8月27日 08:09:54 -0500
> From: 	Ed Morton <mortoneccc@comcast.net>
> To: 	bug-gawk@gnu.org <bug-gawk@gnu.org>
>>>> Configuration Information [Automatically generated, do not change]:
> Machine: x86_64
> OS: cygwin
> Compiler: gcc
> Compilation CFLAGS: -ggdb -O2 -pipe -Wall -Werror=format-security 
> -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong 
> --param=ssp-buffer-size=4 
> -fdebug-prefix-map=/cygdrive/d/a/scallywag/gawk/gawk-5.2.2-1.x86_64/build=/usr/src/debug/gawk-5.2.2-1 
> -fdebug-prefix-map=/cygdrive/d/a/scallywag/gawk/gawk-5.2.2-1.x86_64/src/gawk-5.2.2=/usr/src/debug/gawk-5.2.2-1 
> -DNDEBUG
> uname output: CYGWIN_NT-10.0-22621 TournaMart_2023 3.4.8-1.x86_64 
> 2023年08月17日 17:02 UTC x86_64 Cygwin
> Machine Type: x86_64-pc-cygwin
>> Gawk Version: 5.2.2
>> Attestation 1:
>         I have read 
> https://www.gnu.org/software/gawk/manual/html_node/Bugs.html.
>         Yes
>> Attestation 2:
>         I have not modified the sources before building gawk.
>         True
>> Description:
>         I was trying to test something related to ARG_MAX when I ran the
>         awk script below and it core dumped instead of reporting an error
>         and exiting gracefully. In case it's useful getconf ARG_MAX outputs
>         32000.
>> Repeat-By:
>         $ LC_ALL=C awk 'BEGIN{print ARGC}' $(seq 1000000)
>         Segmentation fault (core dumped)

Thanks for the report.
I will submit a patch for this issue shortly.
-- 
Takashi Yano <takashi.yano@nifty.ne.jp>