From: Philippe Altherr <philippe.altherr@gmail.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: [BUG] Misplaced quote in %d printf format crashes Zsh
Date: Sat, 8 Jun 2024 23:12:47 +0200 [thread overview]
Message-ID: <CAGdYchthV3bb7mid0epuHdCVm+4mYFKSLRP9qkFH8j=5y6w7cg@mail.gmail.com> (raw)
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On macOS 14.5 running Zsh 5.9, the following command crashes Zsh:
% zsh -c "printf -v result \" %5'd\""
zsh:printf:1: %5': invalid directive
zsh(41890,0x7ff8450ddfc0) malloc: *** error for object 0x600002c811e0:
pointer being realloc'd was not allocated
zsh(41890,0x7ff8450ddfc0) malloc: *** set a breakpoint in
malloc_error_break to debug
zsh: abort zsh -c "printf -v result \" %5'd\""
Surprisingly, dropping the -v option, removing the space before the %, or
adding an echo command after the printf command avoid the crash:
% zsh -c "printf \" %5'd\""
zsh:printf:1: %5': invalid directive
*%*
% zsh -c "printf -v result \"%5'd\""
zsh:printf:1: %5': invalid directive
% zsh -c "printf -v result \" %5'd\"; echo foo"
zsh:printf:1: %5': invalid directive
foo
Philippe
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next reply other threads:[~2024-06-08 21:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-08 21:12 Philippe Altherr [this message]
2024-06-08 23:04 ` Mark J. Reed
2024-06-09 0:23 ` Mark J. Reed
2024-06-11 2:24 ` Jun T
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