Re: [PATCH 02/22] git: fix leaking system paths

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue Aug 6, 2024 at 6:59 PM AEST, Patrick Steinhardt wrote:
> Git has some flags to make it output system paths as they have been
> compiled into Git. This is done by calling `system_path()`, which
> returns an allocated string. This string isn't ever free'd though,
> creating a memory leak.
>
> Plug those leaks. While they are surfaced by t0211, there are more
> memory leaks looming exposed by that test suite and it thus does not yet
> pass with the memory leak checker enabled.
>
> Signed-off-by: Patrick Steinhardt <ps@xxxxxx>
> ---
>  git.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/git.c b/git.c
> index e35af9b0e5..5eab88b472 100644
> --- a/git.c
> +++ b/git.c
> @@ -173,15 +173,21 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
>  				exit(0);
>  			}
>  		} else if (!strcmp(cmd, "--html-path")) {
> -			puts(system_path(GIT_HTML_PATH));
> +			char *path = system_path(GIT_HTML_PATH);
> +			puts(path);
> +			free(path);
>  			trace2_cmd_name("_query_");
>  			exit(0);
>  		} else if (!strcmp(cmd, "--man-path")) {
> -			puts(system_path(GIT_MAN_PATH));
> +			char *path = system_path(GIT_MAN_PATH);
> +			puts(path);
> +			free(path);
>  			trace2_cmd_name("_query_");
>  			exit(0);
>  		} else if (!strcmp(cmd, "--info-path")) {
> -			puts(system_path(GIT_INFO_PATH));
> +			char *path = system_path(GIT_INFO_PATH);
> +			puts(path);
> +			free(path);
>  			trace2_cmd_name("_query_");
>  			exit(0);
>  		} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {

Oh interesting. These don't immediately stand out as leaky due to the
absence of intermediate variables, but nevertheless an allocation took
place that we need to free.






[Index of Archives]     [Linux Kernel Development]     [Gcc Help]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [V4L]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]     [Fedora Users]

  Powered by Linux