[pacman-dev] [PATCH v3 0/4] pacman/upgrade

Sören Brinkmann soeren.brinkmann at gmail.com
Wed Mar 12 00:03:00 EDT 2014


On Wed, 2014-03-12 at 01:16PM +1000, Allan McRae wrote:
> On 12/03/14 12:29, Sören Brinkmann wrote:
> > So, Andrew urged me to dive a little deeper into this and here's the
> > result. On top of the original fix for the potential NULL-pointer
> > dereference there are three more patches now. Those address the memory
> > management and error paths in the upgrade code.
> > 
> > 	Sören
> > 
> > Sören Brinkmann (4):
> >   pacman/upgrade: Check malloc() return value
> >   pacman/upgrade: Refactor memory management
> >   pacman/upgrade: Fix memory leaks
> >   pacman/upgrade: Bail early on errors
> > 
> >  src/pacman/upgrade.c | 52 ++++++++++++++++++++++++++++++++--------------------
> >  1 file changed, 32 insertions(+), 20 deletions(-)
> > 
> 
> I have only had a quick look.  But patch #2 removes changes made in
> patch #1

I kept fixing the NULL-pointer dereference and refactoring separated. If
the refactoring turns out to be buggy it could be reverted without
re-intorducing the NULL-pointer dereference.

> and patch #3 corrects a memory leak made in patch #2. 

Not fully true. Before, the memory management was just more subtle,
hidden in alpm_list_add and FREELIST, the leak was already there.

> That
> looks like it should be merged into a single patch.

Feel free to squash things as you think it's appropriate.

	Sören


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