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SubjectRe: [PATCH v2] certs: Fix wrong kconfig option used for x509_revocation_list
On Thu, Mar 04, 2021 at 12:50:30PM -0500, Eric Snowberg wrote:
> Fix a build issue when x509_revocation_list is not defined.
>
> $ make ARCH=x86_64 O=build64 all
>
> EXTRACT_CERTS ../
> At main.c:154:
> - SSL error:0909006C:PEM routines:get_name:no start line: crypto/pem/pem_lib.c:745
> extract-cert: ../: Is a directory
> make[2]: [../certs/Makefile:119: certs/x509_revocation_list] Error 1 (ignored)
>
> When the new CONFIG_SYSTEM_REVOCATION_LIST was added [1], it was not carried
> into the code for preloading the revocation certificates [2]. Change from
> using the original CONFIG_SYSTEM_BLACKLIST_KEYRING to the new
> CONFIG_SYSTEM_REVOCATION_LIST.
>
> [1] https://lore.kernel.org/keyrings/EDA280F9-F72D-4181-93C7-CDBE95976FF7@oracle.com/T/#m562c1b27bf402190e7bb573ad20eff5b6310d08f
> [2] https://lore.kernel.org/keyrings/EDA280F9-F72D-4181-93C7-CDBE95976FF7@oracle.com/T/#m07e258bf019ccbac23820fad5192ceffa74fc6ab
>
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>

Got my first ever chance to try out b4:

$ b4 am 20210304175030.184131-1-eric.snowberg@oracle.com
Looking up https://lore.kernel.org/r/20210304175030.184131-1-eric.snowberg%40oracle.com
Grabbing thread from lore.kernel.org/keyrings
Analyzing 5 messages in the thread
---
Writing ./v2_20210304_eric_snowberg_certs_fix_wrong_kconfig_option_used_for_x509_revocation_list.mbx
✓ [PATCH v2] certs: Fix wrong kconfig option used for x509_revocation_list
+ Tested-by: Nathan Chancellor <nathan@kernel.org> (✓ DKIM/kernel.org)
---
✓ Attestation-by: DKIM/oracle.com (From: eric.snowberg@oracle.com)
---
Total patches: 1
---
Link: https://lore.kernel.org/r/20210304175030.184131-1-eric.snowberg@oracle.com
Base: not found
git am ./v2_20210304_eric_snowberg_certs_fix_wrong_kconfig_option_used_for_x509_revocation_list.mbx

Wondering tho, what "Base: not found" means?

> ---
> v2 changes:
> Use the new config option for extract-cert
> Use the new config option when building revocation_certificates.o
> ---
> certs/Makefile | 5 +++--
> certs/blacklist.c | 4 ++++
> scripts/Makefile | 2 +-
> 3 files changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/certs/Makefile b/certs/Makefile
> index e3f4926fd21e..b6db52ebf0be 100644
> --- a/certs/Makefile
> +++ b/certs/Makefile
> @@ -4,7 +4,8 @@
> #
>
> obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o
> -obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o revocation_certificates.o common.o
> +obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o
> +obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o
> ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),"")
> obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
> else
> @@ -105,7 +106,7 @@ $(obj)/signing_key.x509: scripts/extract-cert $(X509_DEP) FORCE
> $(call if_changed,extract_certs,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY))
> endif # CONFIG_MODULE_SIG
>
> -ifeq ($(CONFIG_SYSTEM_BLACKLIST_KEYRING),y)
> +ifeq ($(CONFIG_SYSTEM_REVOCATION_LIST),y)
>
> $(eval $(call config_filename,SYSTEM_REVOCATION_KEYS))
>
> diff --git a/certs/blacklist.c b/certs/blacklist.c
> index 723b19c96256..c9a435b15af4 100644
> --- a/certs/blacklist.c
> +++ b/certs/blacklist.c
> @@ -21,8 +21,10 @@
>
> static struct key *blacklist_keyring;
>
> +#ifdef CONFIG_SYSTEM_REVOCATION_LIST
> extern __initconst const u8 revocation_certificate_list[];
> extern __initconst const unsigned long revocation_certificate_list_size;
> +#endif
>
> /*
> * The description must be a type prefix, a colon and then an even number of
> @@ -225,6 +227,7 @@ static int __init blacklist_init(void)
> */
> device_initcall(blacklist_init);
>
> +#ifdef CONFIG_SYSTEM_REVOCATION_LIST
> /*
> * Load the compiled-in list of revocation X.509 certificates.
> */
> @@ -237,3 +240,4 @@ static __init int load_revocation_certificate_list(void)
> blacklist_keyring);
> }
> late_initcall(load_revocation_certificate_list);
> +#endif
> diff --git a/scripts/Makefile b/scripts/Makefile
> index 983b785f13cb..bd0718f7c493 100644
> --- a/scripts/Makefile
> +++ b/scripts/Makefile
> @@ -11,7 +11,7 @@ hostprogs-always-$(CONFIG_ASN1) += asn1_compiler
> hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file
> hostprogs-always-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
> hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
> - hostprogs-always-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += extract-cert
> +hostprogs-always-$(CONFIG_SYSTEM_REVOCATION_LIST) += extract-cert
>
> HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
> HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
> --
> 2.18.4
>
>
The patch does not apply:

$ git am -3 v2_20210304_eric_snowberg_certs_fix_wrong_kconfig_option_used_for_x509_revocation_list.mbx
Applying: certs: Fix wrong kconfig option used for x509_revocation_list
error: sha1 information is lacking or useless (certs/Makefile).
error: could not build fake ancestor
Patch failed at 0001 certs: Fix wrong kconfig option used for x509_revocation_list
hint: Use 'git am --show-current-patch=diff' to see the failed patch
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

/Jarkko

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