https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251081
Bug ID: 251081
Summary: Grep Crashes with both «--after-context» «--max-count»
Switches are Used
Product: Base System
Version: 12.2-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
Created attachment 219606
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=219606&action=edit
Grep Memory Dump 12.2 x64
FreeBSD Grep Utility Crushes in a case of simultaneously specifying two
Switches: «--after-context=NUM» (-A NUM) and «--max-count=NUM» (-m NUM). This
happens when Russian Language (for Example) is Used.
The Example to ReProduce this Error (EveryOne can Try, if Brave enough):
# id -c
russian
#grep --after-context="10" --max-count="2" "" "/etc/passwd"
# $FreeBSD: releng/12.2/etc/master.passwd 359447 2020-03-30 17:07:05Z brooks $
#
Segmentation fault (стек памяти сброшен на диск)
or, without specifying the «Russian» LogIn Class (ReProduced on any System):
# env LANG="ru_RU.UTF-8" grep --after-context="10" --max-count="2" ""
"/etc/passwd" || printf "Error Number: %u (0x%.2X).\n" "${?}" "${?}"
# $FreeBSD: releng/12.2/etc/master.passwd 359447 2020-03-30 17:07:05Z brooks $
#
Segmentation fault (стек памяти сброшен на диск)
Error Number: 139 (0x8B). # Looks like 0x80 + 0x0B: «SIGSEGV».
shows the same Result. «egrep» does the same.
# grep --version
grep (GNU grep) 2.5.1-FreeBSD
This Issue was found with these Systems:
● FreeBSD 11.2-RELEASE #0 r335510: Fri Jun 22 04:32:14 UTC 2018 GENERIC amd64
● FreeBSD 12.1-RELEASE-p2 r358570 CrazyBook i386
● FreeBSD 12.2-RELEASE r366954 GENERIC i386
● FreeBSD 12.2-RELEASE r366954 GENERIC amd64
This is not a Critical Error, but IMHO, Developers should Know about It.
Thank You and Sorry, if It is not Important.
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