The decompress ctx was not properly initialized when reading raw
profile data back to userspace.
Reported-by: kernel test robot <lkp@intel.com>
Fixes:
52ccc20c652b ("apparmor: use zstd compression for profile data")
Signed-off-by: John Johansen <john.johansen@canonical.com>
ret = -ENOMEM;
goto cleanup;
}
-
+ ctx = zstd_init_dctx(wksp, wksp_len);
+ if (ctx == NULL) {
+ ret = -ENOMEM;
+ goto cleanup;
+ }
out_len = zstd_decompress_dctx(ctx, dst, dlen, src, slen);
if (zstd_is_error(out_len)) {
ret = -EINVAL;