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Shawn O. Pearce e8a37b89f7 Fix builtin-fetch memory corruption by not overstepping array 
A long time ago Junio added this line to always ensure that the
output array created by remove_duplicates() had a NULL as its
terminating node.  Today none of the downstream consumers of this
array care about a NULL terminator; they only pay attention to the
size of the array (as indicated by nr_heads).  In (nearly?) all
cases passing a NULL element will cause SIGSEGV failures.  So this
NULL terminal is not actually necessary.

Unfortunately we cannot continue to NULL terminate the array at
this point as the array may only have been allocated large enough
to match the input of nr_heads.  If there are no duplicates than
we would be trying to store NULL into heads[nr_heads] and that may
be outside of the array.

My recent series to cleanup builtin-fetch changed the allocation of
the heads array from 256 entries to exactly nr_heads thus ensuring
we were always overstepping the array and causing memory corruption.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-09-19 03:22:31 -07:00
arm
compat
contrib Make fetch a builtin 2007-09-19 03:22:30 -07:00
Documentation Make fetch a builtin 2007-09-19 03:22:30 -07:00
git-gui
gitweb
mozilla-sha1
perl
ppc
t Make fetch a builtin 2007-09-19 03:22:30 -07:00
templates
xdiff
.gitignore
.mailmap
alloc.c
archive-tar.c
archive-zip.c
archive.h
attr.c
attr.h
base85.c
blob.c
blob.h
builtin-add.c
builtin-annotate.c
builtin-apply.c
builtin-archive.c
builtin-blame.c
builtin-branch.c
builtin-bundle.c Move bundle specific stuff into bundle.[ch] 2007-09-19 03:22:30 -07:00
builtin-cat-file.c
builtin-check-attr.c
builtin-check-ref-format.c
builtin-checkout-index.c
builtin-commit-tree.c
builtin-config.c
builtin-count-objects.c
builtin-describe.c
builtin-diff-files.c
builtin-diff-index.c
builtin-diff-tree.c
builtin-diff.c
builtin-fetch--tool.c
builtin-fetch-pack.c Fix builtin-fetch memory corruption by not overstepping array 2007-09-19 03:22:31 -07:00
builtin-fetch.c Always ensure the pack.keep file is removed by git-fetch 2007-09-19 03:22:31 -07:00
builtin-fmt-merge-msg.c
builtin-for-each-ref.c
builtin-fsck.c
builtin-gc.c
builtin-grep.c
builtin-http-fetch.c Modularize commit-walker 2007-09-19 03:22:30 -07:00
builtin-init-db.c
builtin-log.c
builtin-ls-files.c
builtin-ls-tree.c
builtin-mailinfo.c
builtin-mailsplit.c
builtin-merge-base.c
builtin-merge-file.c
builtin-mv.c
builtin-name-rev.c
builtin-pack-objects.c
builtin-pack-refs.c
builtin-prune-packed.c
builtin-prune.c
builtin-push.c Push code for transport library 2007-09-19 03:22:30 -07:00
builtin-read-tree.c
builtin-reflog.c
builtin-rerere.c
builtin-reset.c
builtin-rev-list.c
builtin-rev-parse.c
builtin-revert.c
builtin-rm.c
builtin-runstatus.c
builtin-shortlog.c
builtin-show-branch.c
builtin-show-ref.c
builtin-stripspace.c
builtin-symbolic-ref.c
builtin-tag.c
builtin-tar-tree.c
builtin-unpack-objects.c
builtin-update-index.c
builtin-update-ref.c
builtin-upload-archive.c
builtin-verify-pack.c
builtin-verify-tag.c
builtin-write-tree.c
builtin.h Make fetch a builtin 2007-09-19 03:22:30 -07:00
bundle.c Move bundle specific stuff into bundle.[ch] 2007-09-19 03:22:30 -07:00
bundle.h Move bundle specific stuff into bundle.[ch] 2007-09-19 03:22:30 -07:00
cache-tree.c
cache-tree.h
cache.h Make fetch a builtin 2007-09-19 03:22:30 -07:00
check-builtins.sh
check-racy.c
color.c
color.h
combine-diff.c
commit.c
commit.h
config.c
config.mak.in
configure.ac
connect.c
convert-objects.c
convert.c
copy.c
COPYING
csum-file.c
csum-file.h
ctype.c
daemon.c
date.c
decorate.c
decorate.h
delta.h
diff-delta.c
diff-lib.c
diff.c
diff.h
diffcore-break.c
diffcore-delta.c
diffcore-order.c
diffcore-pickaxe.c
diffcore-rename.c
diffcore.h
dir.c
dir.h
dump-cache-tree.c
entry.c
environment.c
exec_cmd.c
exec_cmd.h
fast-import.c
fetch-pack.h Remove pack.keep after ref updates in git-fetch 2007-09-19 03:22:30 -07:00
fixup-builtins
generate-cmdlist.sh
git-add--interactive.perl
git-am.sh
git-archimport.perl
git-bisect.sh
git-checkout.sh
git-clean.sh
git-clone.sh
git-commit.sh
git-compat-util.h
git-cvsexportcommit.perl
git-cvsimport.perl
git-cvsserver.perl
git-filter-branch.sh
git-instaweb.sh
git-lost-found.sh
git-ls-remote.sh
git-merge-octopus.sh
git-merge-one-file.sh
git-merge-ours.sh
git-merge-resolve.sh
git-merge-stupid.sh
git-merge.sh
git-mergetool.sh
git-parse-remote.sh
git-pull.sh
git-quiltimport.sh
git-rebase--interactive.sh
git-rebase.sh
git-relink.perl
git-remote.perl
git-repack.sh
git-request-pull.sh
git-send-email.perl
git-sh-setup.sh
git-stash.sh
git-submodule.sh
git-svn.perl
git-svnimport.perl
GIT-VERSION-GEN
git.c Make fetch a builtin 2007-09-19 03:22:30 -07:00
git.spec.in
gitk
grep.c
grep.h
hash-object.c
help.c
http-push.c Modularize commit-walker 2007-09-19 03:22:30 -07:00
http-walker.c Modularize commit-walker 2007-09-19 03:22:30 -07:00
http.c Make function to refill http queue a callback 2007-09-19 03:22:30 -07:00
http.h Make function to refill http queue a callback 2007-09-19 03:22:30 -07:00
ident.c
imap-send.c
index-pack.c
INSTALL
interpolate.c
interpolate.h
list-objects.c
list-objects.h
lockfile.c
log-tree.c
log-tree.h
mailmap.c
mailmap.h
Makefile Make fetch a builtin 2007-09-19 03:22:30 -07:00
match-trees.c
merge-file.c
merge-index.c
merge-recursive.c
merge-tree.c
mktag.c
mktree.c
object-refs.c
object.c
object.h
pack-check.c
pack-redundant.c
pack-write.c Refactor index-pack "keep $sha1" handling for reuse 2007-09-19 03:22:30 -07:00
pack.h Refactor index-pack "keep $sha1" handling for reuse 2007-09-19 03:22:30 -07:00
pager.c
patch-delta.c
patch-id.c
patch-ids.c
patch-ids.h
path-list.c
path-list.h
path.c
peek-remote.c
pkt-line.c
pkt-line.h
progress.c
progress.h
quote.c
quote.h
reachable.c
reachable.h
read-cache.c
README
receive-pack.c Refactor index-pack "keep $sha1" handling for reuse 2007-09-19 03:22:30 -07:00
reflog-walk.c
reflog-walk.h
refs.c
refs.h
RelNotes
remote.c Add matching and parsing for fetch-side refspec rules 2007-09-19 03:22:30 -07:00
remote.h Add matching and parsing for fetch-side refspec rules 2007-09-19 03:22:30 -07:00
revision.c
revision.h
run-command.c
run-command.h
send-pack.c
server-info.c
setup.c
sha1_file.c
sha1_name.c
shallow.c
shell.c
show-index.c
sideband.c
sideband.h
strbuf.c
strbuf.h
symlinks.c
tag.c
tag.h
tar.h
test-absolute-path.c
test-chmtime.c
test-date.c
test-delta.c
test-genrandom.c
test-match-trees.c
test-sha1.c
test-sha1.sh
trace.c
transport.c Remove pack.keep after ref updates in git-fetch 2007-09-19 03:22:30 -07:00
transport.h Remove pack.keep after ref updates in git-fetch 2007-09-19 03:22:30 -07:00
tree-diff.c
tree-walk.c
tree-walk.h
tree.c
tree.h
unpack-file.c
unpack-trees.c
unpack-trees.h
update-server-info.c
upload-pack.c
usage.c
utf8.c
utf8.h
var.c
walker.c Modularize commit-walker 2007-09-19 03:22:30 -07:00
walker.h Modularize commit-walker 2007-09-19 03:22:30 -07:00
write_or_die.c
wt-status.c
wt-status.h
xdiff-interface.c
xdiff-interface.h

README 

////////////////////////////////////////////////////////////////

	GIT - the stupid content tracker

////////////////////////////////////////////////////////////////

"git" can mean anything, depending on your mood.

 - random three-letter combination that is pronounceable, and not
   actually used by any common UNIX command.  The fact that it is a
   mispronunciation of "get" may or may not be relevant.
 - stupid. contemptible and despicable. simple. Take your pick from the
   dictionary of slang.
 - "global information tracker": you're in a good mood, and it actually
   works for you. Angels sing, and a light suddenly fills the room.
 - "goddamn idiotic truckload of sh*t": when it breaks

Git is a fast, scalable, distributed revision control system with an
unusually rich command set that provides both high-level operations
and full access to internals.

Git is an Open Source project covered by the GNU General Public License.
It was originally written by Linus Torvalds with help of a group of
hackers around the net. It is currently maintained by Junio C Hamano.

Please read the file INSTALL for installation instructions.
See Documentation/tutorial.txt to get started, then see
Documentation/everyday.txt for a useful minimum set of commands,
and "man git-commandname" for documentation of each command.
CVS users may also want to read Documentation/cvs-migration.txt.

Many Git online resources are accessible from http://git.or.cz/
including full documentation and Git related tools.

The user discussion and development of Git take place on the Git
mailing list -- everyone is welcome to post bug reports, feature
requests, comments and patches to git@vger.kernel.org. To subscribe
to the list, send an email with just "subscribe git" in the body to
majordomo@vger.kernel.org. The mailing list archives are available at
http://marc.theaimsgroup.com/?l=git and other archival sites.

The messages titled "A note from the maintainer", "What's in
git.git (stable)" and "What's cooking in git.git (topics)" and
the discussion following them on the mailing list give a good
reference for project status, development direction and
remaining tasks.