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* [Bug regex/17150] New: regex: don't deref NULL upon heap allocation failure
@ 2014-07-13 0:06 jim at meyering dot net
2014-07-13 0:09 ` [Bug regex/17150] " jim at meyering dot net
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: jim at meyering dot net @ 2014-07-13 0:06 UTC (permalink / raw)
To: glibc-bugs-regex
https://sourceware.org/bugzilla/show_bug.cgi?id=17150
Bug ID: 17150
Summary: regex: don't deref NULL upon heap allocation failure
Product: glibc
Version: 2.21
Status: NEW
Severity: normal
Priority: P2
Component: regex
Assignee: unassigned at sourceware dot org
Reporter: jim at meyering dot net
CC: drepper.fsp at gmail dot com
Here's the ChangeLog entry for the attached patch:
2014-07-12 Jim Meyering <meyering@fb.com>
regex: don't deref NULL upon heap allocation failure
* posix/regcomp.c (parse_dup_op): Handle duplicate_tree
failure in one more place.
To trigger the segfault, configure grep -with-included-regex,
build it, and run these commands:
( ulimit -v 300000; echo a|src/grep -E a+++++++++++++++++++++ )
--
You are receiving this mail because:
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 4+ messages in thread* [Bug regex/17150] regex: don't deref NULL upon heap allocation failure 2014-07-13 0:06 [Bug regex/17150] New: regex: don't deref NULL upon heap allocation failure jim at meyering dot net @ 2014-07-13 0:09 ` jim at meyering dot net 2014-07-14 4:05 ` allan at archlinux dot org 2014-07-23 6:55 ` allan at archlinux dot org 2 siblings, 0 replies; 4+ messages in thread From: jim at meyering dot net @ 2014-07-13 0:09 UTC (permalink / raw) To: glibc-bugs-regex https://sourceware.org/bugzilla/show_bug.cgi?id=17150 --- Comment #1 from jim at meyering dot net <jim at meyering dot net> --- Created attachment 7709 --> https://sourceware.org/bugzilla/attachment.cgi?id=7709&action=edit avoid NULL deref in regcomp.c's parse_dup_op -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug regex/17150] regex: don't deref NULL upon heap allocation failure 2014-07-13 0:06 [Bug regex/17150] New: regex: don't deref NULL upon heap allocation failure jim at meyering dot net 2014-07-13 0:09 ` [Bug regex/17150] " jim at meyering dot net @ 2014-07-14 4:05 ` allan at archlinux dot org 2014-07-23 6:55 ` allan at archlinux dot org 2 siblings, 0 replies; 4+ messages in thread From: allan at archlinux dot org @ 2014-07-14 4:05 UTC (permalink / raw) To: glibc-bugs-regex https://sourceware.org/bugzilla/show_bug.cgi?id=17150 Allan McRae <allan at archlinux dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |allan at archlinux dot org -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug regex/17150] regex: don't deref NULL upon heap allocation failure 2014-07-13 0:06 [Bug regex/17150] New: regex: don't deref NULL upon heap allocation failure jim at meyering dot net 2014-07-13 0:09 ` [Bug regex/17150] " jim at meyering dot net 2014-07-14 4:05 ` allan at archlinux dot org @ 2014-07-23 6:55 ` allan at archlinux dot org 2 siblings, 0 replies; 4+ messages in thread From: allan at archlinux dot org @ 2014-07-23 6:55 UTC (permalink / raw) To: glibc-bugs-regex https://sourceware.org/bugzilla/show_bug.cgi?id=17150 Allan McRae <allan at archlinux dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #2 from Allan McRae <allan at archlinux dot org> --- commit 7ee03f00188723a4de2b85021e511ced6d7fc4be Author: Jim Meyering <meyering@fb.com> Date: Sat Jul 12 17:07:21 2014 -0700 regex: don't deref NULL upon heap allocation failure * posix/regcomp.c: (parse_dup_op): Handle duplicate_tree failure in one more place. To trigger the segfault, configure grep -with-included-regex, build it, and run these commands: ( ulimit -v 300000; echo a|src/grep -E a+++++++++++++++++++++ ) -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-07-23 6:55 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-07-13 0:06 [Bug regex/17150] New: regex: don't deref NULL upon heap allocation failure jim at meyering dot net 2014-07-13 0:09 ` [Bug regex/17150] " jim at meyering dot net 2014-07-14 4:05 ` allan at archlinux dot org 2014-07-23 6:55 ` allan at archlinux dot org
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