From: Jeff King <peff@peff.net>
Date: Fri, 09 Apr 2021 18:46:11 GMT
Subject: Re: Possible memory leak bug reports for the latest "git" repository.
Message-ID: <YHCg8ycLahSwNvJL@coredump.intra.peff.net>
In-Reply-To: <b96f76f2-db00-cc7c-eb83-3033873023ec@ahunt.org>

On Fri, Apr 09, 2021 at 06:49:39PM +0200, Andrzej Hunt wrote:

> > ==63105== 40 bytes in 1 blocks are possibly lost in loss record 38 of 142
> > ==63105==    at 0x4C31B0F: malloc (in
> > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
> > ==63105==    by 0x34013A: do_xmalloc (wrapper.c:41)
> > ==63105==    by 0x355BB5: chdir_notify_register (chdir-notify.c:18)
> [...]
> 
> These are a bit odd: chdir_notify_register() is attaching the newly
> allocated memory to a static list (chdir_notify_entries), and I can't see
> any obvious reason why this would leak (but maybe valgrind doesn't like
> static pointers)? Either way, this doesn't seem to be anywhere near the
> regex code.

These "possibly lost" are false positives; there's more discussion in
this thread:

  https://lore.kernel.org/git/20201117002435.GA13516@coredump.intra.peff.net/

-Peff