GNU bug report logs - #77771
coreutils 9.7 printf crashes on Solaris 11

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: bug-coreutils <at> gnu.org
Subject: coreutils 9.7 printf crashes on Solaris 11
Date: Sat, 12 Apr 2025 23:16:10 +0200

[Message part 1 (text/plain, inline)]

Running the attached script on Solaris 11.4 or Solaris 11 OpenIndiana,
in the coreutils-9.7 build tree, produces a crash:

$ sh ~/cmd
42 351 ...
4 235 ...
42 351 ...
/home/bruno/cmd: line 4: 18141: Memory fault(coredump)
Segmentation Fault (core dumped)

What triggers the crash is a %'g directive that produces a large
number of digits.

The gdb stack trace shows the location: inside function
insert_thousands_sep in /lib/64/libc.so.1.

[cmd (text/plain, attachment)]

Message #10 received at 77771-done <at> debbugs.gnu.org (full text, mbox):

From: Bruno Haible <bruno <at> clisp.org>
To: 77771-done <at> debbugs.gnu.org
Subject: Re: coreutils 9.7 printf crashes on Solaris 11
Date: Sat, 12 Apr 2025 23:23:12 +0200

> Running the attached script on Solaris 11.4 or Solaris 11 OpenIndiana,
> in the coreutils-9.7 build tree, produces a crash:
> 
> $ sh ~/cmd
> 42 351 ...
> 4 235 ...
> 42 351 ...
> /home/bruno/cmd: line 4: 18141: Memory fault(coredump)
> Segmentation Fault (core dumped)
> 
> What triggers the crash is a %'g directive that produces a large
> number of digits.
> 
> The gdb stack trace shows the location: inside function
> insert_thousands_sep in /lib/64/libc.so.1.

It's fixed through the gnulib commits relating to vasnprintf from
2025-04-10 to 2025-04-12.

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