On Thu, Dec 5, 2024 at 2:40 PM Christian Göttsche
<cgoettsche@xxxxxxxxxxxxx> wrote:
>
> From: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
>
> Commit 89dd0b23 ("libselinux: avoid memory allocation in common file
> label lookup") added an additional parameter to lookup_all() for an
> optional buffer the return value might be placed into. Update the
> fuzzing related code accordingly.
>
> Fixes: 89dd0b23 ("libselinux: avoid memory allocation in common file label lookup")
> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
Acked-by: James Carter <jwcart2@xxxxxxxxx>
> ---
> libselinux/fuzz/selabel_file_compiled-fuzzer.c | 2 +-
> libselinux/fuzz/selabel_file_text-fuzzer.c | 2 +-
> libselinux/src/label_file.h | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/libselinux/fuzz/selabel_file_compiled-fuzzer.c b/libselinux/fuzz/selabel_file_compiled-fuzzer.c
> index cf0710ad..d1249a76 100644
> --- a/libselinux/fuzz/selabel_file_compiled-fuzzer.c
> +++ b/libselinux/fuzz/selabel_file_compiled-fuzzer.c
> @@ -232,7 +232,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
> assert(cmp(&rec, &rec) == SELABEL_EQUAL);
>
> errno = 0;
> - result = lookup_all(&rec, key, mode, partial, find_all);
> + result = lookup_all(&rec, key, mode, partial, find_all, NULL);
>
> if (!result)
> assert(errno != 0);
> diff --git a/libselinux/fuzz/selabel_file_text-fuzzer.c b/libselinux/fuzz/selabel_file_text-fuzzer.c
> index 5d851de1..ed67ea25 100644
> --- a/libselinux/fuzz/selabel_file_text-fuzzer.c
> +++ b/libselinux/fuzz/selabel_file_text-fuzzer.c
> @@ -178,7 +178,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
> assert(cmp(&rec, &rec) == SELABEL_EQUAL);
>
> errno = 0;
> - result = lookup_all(&rec, key, mode, partial, find_all);
> + result = lookup_all(&rec, key, mode, partial, find_all, NULL);
>
> if (!result)
> assert(errno != 0);
> diff --git a/libselinux/src/label_file.h b/libselinux/src/label_file.h
> index c7fe3a48..562c3da6 100644
> --- a/libselinux/src/label_file.h
> +++ b/libselinux/src/label_file.h
> @@ -63,7 +63,7 @@ struct lookup_result {
> extern int load_mmap(FILE *fp, const size_t len, struct selabel_handle *rec, const char *path);
> extern int process_text_file(FILE *fp, const char *prefix, struct selabel_handle *rec, const char *path);
> extern void free_lookup_result(struct lookup_result *result);
> -extern struct lookup_result *lookup_all(struct selabel_handle *rec, const char *key, int type, bool partial, bool find_all);
> +extern struct lookup_result *lookup_all(struct selabel_handle *rec, const char *key, int type, bool partial, bool find_all, struct lookup_result *buf);
> extern enum selabel_cmp_result cmp(const struct selabel_handle *h1, const struct selabel_handle *h2);
> #endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */
>
> --
> 2.45.2
>
>
