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Message-ID: <CA+icZUUFdsEyNybVORm4x7_bAyoc0zTnudtNdgnTqjvbYXJRYA@mail.gmail.com>
Date:   Thu, 19 May 2022 11:55:20 +0200
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     David Howells <dhowells@...hat.com>,
        David Woodhouse <dwmw2@...radead.org>
Cc:     keyrings@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [Linux v5.17.9] -Wdeprecated-declarations warnings with LLVM-14 and
 OpenSSL v3.0.x

Hi,

here, I am on Debian/unstable AMD64.

Recently (or still) there is/was a transition to OpenSSL see below link.

The warnings look like:

189:scripts/sign-file.c:89:14: warning: 'ERR_get_error_line' is
deprecated [-Wdeprecated-declarations]
201:scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is
deprecated [-Wdeprecated-declarations]
213:scripts/sign-file.c:142:3: warning: 'ENGINE_load_builtin_engines'
is deprecated [-Wdeprecated-declarations]
225:scripts/sign-file.c:144:7: warning: 'ENGINE_by_id' is deprecated
[-Wdeprecated-declarations]
238:146:7: warning: 'ENGINE_init' is deprecated [-Wdeprecated-declarations]
250:scripts/sign-file.c:151:9: warning: 'ENGINE_ctrl_cmd_string' is
deprecated [-Wdeprecated-declarations]
262:scripts/sign-file.c:153:17: warning: 'ENGINE_load_private_key' is
deprecated [-Wdeprecated-declarations]
395:certs/extract-cert.c:46:14: warning: 'ERR_get_error_line' is
deprecated [-Wdeprecated-declarations]
407:certs/extract-cert.c:59:9: warning: 'ERR_get_error_line' is
deprecated [-Wdeprecated-declarations]
420:certs/extract-cert.c:124:3: warning: 'ENGINE_load_builtin_engines'
is deprecated [-Wdeprecated-declarations]
432:certs/extract-cert.c:126:7: warning: 'ENGINE_by_id' is deprecated
[-Wdeprecated-declarations]
444:certs/extract-cert.c:128:7: warning: 'ENGINE_init' is deprecated
[-Wdeprecated-declarations]
456:certs/extract-cert.c:133:9: warning: 'ENGINE_ctrl_cmd_string' is
deprecated [-Wdeprecated-declarations]
468:certs/extract-cert.c:134:3: warning: 'ENGINE_ctrl_cmd' is
deprecated [-Wdeprecated-declarations]

More detailed output:

189:scripts/sign-file.c:89:14: warning: 'ERR_get_error_line' is
deprecated [-Wdeprecated-declarations]
190-        while ((e = ERR_get_error_line(&file, &line))) {
191-                    ^
192-/usr/include/openssl/err.h:410:1: note: 'ERR_get_error_line' has
been explicitly marked deprecated here
193-OSSL_DEPRECATEDIN_3_0
194-^
195-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
196-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
197-                                                ^
198-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
199-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
200-                                                   ^
201:scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is
deprecated [-Wdeprecated-declarations]
202-        while (ERR_get_error_line(&file, &line)) {}
203-               ^
204-/usr/include/openssl/err.h:410:1: note: 'ERR_get_error_line' has
been explicitly marked deprecated here
205-OSSL_DEPRECATEDIN_3_0
206-^
207-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
208-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
209-                                                ^
210-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
211-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
212-                                                   ^
213:scripts/sign-file.c:142:3: warning: 'ENGINE_load_builtin_engines'
is deprecated [-Wdeprecated-declarations]
214-                ENGINE_load_builtin_engines();
215-                ^
216-/usr/include/openssl/engine.h:358:1: note:
'ENGINE_load_builtin_engines' has been explicitly marked deprecated
here
217-OSSL_DEPRECATEDIN_3_0 void ENGINE_load_builtin_engines(void);
218-^
219-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
220-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
221-                                                ^
222-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
223-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
224-                                                   ^
225:scripts/sign-file.c:144:7: warning: 'ENGINE_by_id' is deprecated
[-Wdeprecated-declarations]
226-                e = ENGINE_by_id("pkcs11");
227-                    ^
228-/usr/include/openssl/engine.h:336:1: note: 'ENGINE_by_id' has been
explicitly marked deprecated here
229-OSSL_DEPRECATEDIN_3_0 ENGINE *ENGINE_by_id(const char *id);
230-^
231-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
232-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
233-                                                ^
234-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
235-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
236-                                                   ^
237-scripts/sign-file.c:   ld.lld -r -o
/home/dileks/src/linux-kernel/git/tools/objtool/arch/x86/objtool-in.o
/home/dileks/src/linux-kernel/git/tools/objtool/arch/x86
/special.o /home/dileks/src/linux-kernel/git/tools/objtool/arch/x86/decode.o
238:146:7: warning: 'ENGINE_init' is deprecated [-Wdeprecated-declarations]
239-                if (ENGINE_init(e))
240-                    ^
241-/usr/include/openssl/engine.h:620:1: note: 'ENGINE_init' has been
explicitly marked deprecated here
242-OSSL_DEPRECATEDIN_3_0 int ENGINE_init(ENGINE *e);
243-^
244-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
245-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
246-                                                ^
247-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
248-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
249-                                                   ^
250:scripts/sign-file.c:151:9: warning: 'ENGINE_ctrl_cmd_string' is
deprecated [-Wdeprecated-declarations]
251-                        ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0),
252-                             ^
253-/usr/include/openssl/engine.h:478:1: note:
'ENGINE_ctrl_cmd_string' has been explicitly marked deprecated here
254-OSSL_DEPRECATEDIN_3_0
255-^
256-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
257-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
258-                                                ^
259-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
260-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
261-                                                   ^
262:scripts/sign-file.c:153:17: warning: 'ENGINE_load_private_key' is
deprecated [-Wdeprecated-declarations]
263-                private_key = ENGINE_load_private_key(e, private_key_name,
264-                              ^
265-/usr/include/openssl/engine.h:637:1: note:
'ENGINE_load_private_key' has been explicitly marked deprecated here
266-OSSL_DEPRECATEDIN_3_0
267-^
268-/usr/include/openssl/macros.h:182:49: note: expanded from macro
'OSSL_DEPRECATEDIN_3_0'
269-#   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
270-                                                ^
271-/usr/include/openssl/macros.h:62:52: note: expanded from macro
'OSSL_DEPRECATED'
272-#     define OSSL_DEPRECATED(since) __attribute__((deprecated))
273-

Relevant OpenSSL v3.0.3 header files are attached.
My kernel-config, too.

If you need further information, please let me know.

Regards,
-Sedat-

[1] https://release.debian.org/transitions/html/auto-openssl.html

View attachment "openssl-v3_err.h" of type "text/x-chdr" (21089 bytes)

View attachment "openssl-v3_macros.h" of type "text/x-chdr" (10110 bytes)

Download attachment "config-5.17.9-1-amd64-clang14-lto" of type "application/octet-stream" (250649 bytes)

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