From: Lans Zhang <jia.zhang@xxxxxxxxxxxxx> Commit e68503bd68 forgot to set digest_len and thus cause the following error reported by kexec when launching a crash kernel: kexec_file_load failed: Bad message Fixes: e68503bd68 (KEYS: Generalise system_verify_data() to provide access to internal content) Signed-off-by: Lans Zhang <jia.zhang at windriver.com> Tested-by: Dave Young <dyoung at redhat.com> Signed-off-by: David Howells <dhowells at redhat.com> Cc: Baoquan He <bhe at redhat.com> Cc: Vivek Goyal <vgoyal at redhat.com> cc: kexec at lists.infradead.org cc: linux-crypto at vger.kernel.org --- crypto/asymmetric_keys/mscode_parser.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/crypto/asymmetric_keys/mscode_parser.c b/crypto/asymmetric_keys/mscode_parser.c index 6a76d5c70ef6..9492e1c22d38 100644 --- a/crypto/asymmetric_keys/mscode_parser.c +++ b/crypto/asymmetric_keys/mscode_parser.c @@ -124,5 +124,10 @@ int mscode_note_digest(void *context, size_t hdrlen, struct pefile_context *ctx = context; ctx->digest = kmemdup(value, vlen, GFP_KERNEL); - return ctx->digest ? 0 : -ENOMEM; + if (!ctx->digest) + return -ENOMEM; + + ctx->digest_len = vlen; + + return 0; }
