https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195918
Bug ID: 195918
Summary: /bin/sh crashes from particular script
Product: Base System
Version: 10.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: y...@rawbw.com
I accidentally hit this crash trying some (probably bash) example taken from
online.
Crash is 100% reproducible.
Script might be invalid for sh, but it shouldn't cause a crash.
--- testcase ---
$ sh
$ echo b=${1985234857347568347:12:5}
Segmentation fault
(gdb) bt
#0 0x0000000000409675 in argstr ()
#1 0x0000000000408af6 in expandarg ()
#2 0x0000000000405f41 in evalcommand ()
#3 0x000000000040534f in evaltree ()
#4 0x0000000000410529 in cmdloop ()
#5 0x0000000000410392 in main ()
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