From: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com> To: Michael Ellerman <mpe@ellerman.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Kees Cook <keescook@chromium.org> Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org> Subject: mainline build failure of powerpc allmodconfig for prom_init_check Date: Thu, 14 Jul 2022 09:55:40 +0100 [thread overview] Message-ID: <Ys/aDKZNhhsENH9S@debian> (raw) Hi All, Not sure if it has been reported before but the latest mainline kernel branch fails to build for powerpc allmodconfig with gcc-12 and the error is: Error: External symbol 'memset' referenced from prom_init.c make[2]: *** [arch/powerpc/kernel/Makefile:204: arch/powerpc/kernel/prom_init_check] Error 1 The commit ca5dabcff1df ("powerpc/prom_init: Fix build failure with GCC_PLUGIN_STRUCTLEAK_BYREF_ALL and KASAN") looks similar but the error is still there with gcc-12. Note: I don't see this error with gcc-11. I will be happy to test any patch or provide any extra log if needed. -- Regards Sudip
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From: "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@gmail.com> To: Michael Ellerman <mpe@ellerman.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org>, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: mainline build failure of powerpc allmodconfig for prom_init_check Date: Thu, 14 Jul 2022 09:55:40 +0100 [thread overview] Message-ID: <Ys/aDKZNhhsENH9S@debian> (raw) Hi All, Not sure if it has been reported before but the latest mainline kernel branch fails to build for powerpc allmodconfig with gcc-12 and the error is: Error: External symbol 'memset' referenced from prom_init.c make[2]: *** [arch/powerpc/kernel/Makefile:204: arch/powerpc/kernel/prom_init_check] Error 1 The commit ca5dabcff1df ("powerpc/prom_init: Fix build failure with GCC_PLUGIN_STRUCTLEAK_BYREF_ALL and KASAN") looks similar but the error is still there with gcc-12. Note: I don't see this error with gcc-11. I will be happy to test any patch or provide any extra log if needed. -- Regards Sudip
next reply other threads:[~2022-07-14 8:55 UTC|newest] Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-07-14 8:55 Sudip Mukherjee (Codethink) [this message] 2022-07-14 8:55 ` mainline build failure of powerpc allmodconfig for prom_init_check Sudip Mukherjee (Codethink) 2022-07-17 9:12 ` Sudip Mukherjee 2022-07-17 9:12 ` Sudip Mukherjee 2022-07-17 14:44 ` Linus Torvalds 2022-07-17 14:44 ` Linus Torvalds 2022-07-17 19:54 ` Segher Boessenkool 2022-07-17 19:54 ` Segher Boessenkool 2022-07-18 3:52 ` Michael Ellerman 2022-07-18 3:52 ` Michael Ellerman 2022-07-18 14:56 ` Segher Boessenkool 2022-07-18 14:56 ` Segher Boessenkool 2022-07-17 20:25 ` Sudip Mukherjee 2022-07-17 20:25 ` Sudip Mukherjee 2022-07-17 20:29 ` Linus Torvalds 2022-07-17 20:29 ` Linus Torvalds 2022-07-17 20:38 ` Sudip Mukherjee 2022-07-17 20:38 ` Sudip Mukherjee 2022-07-17 20:56 ` Linus Torvalds 2022-07-17 20:56 ` Linus Torvalds 2022-07-17 20:56 ` Segher Boessenkool 2022-07-17 20:56 ` Segher Boessenkool 2022-07-17 21:11 ` Linus Torvalds 2022-07-17 21:11 ` Linus Torvalds 2022-07-17 21:45 ` Segher Boessenkool 2022-07-17 21:45 ` Segher Boessenkool 2022-07-18 1:38 ` Linus Torvalds 2022-07-18 1:38 ` Linus Torvalds 2022-07-18 4:41 ` Michael Ellerman 2022-07-18 4:41 ` Michael Ellerman 2022-07-18 7:51 ` David Laight 2022-07-18 7:51 ` David Laight 2022-07-18 13:44 ` [PATCH] powerpc/64s: Disable stack variable initialisation for prom_init Michael Ellerman 2022-07-18 13:44 ` Michael Ellerman 2022-07-18 15:03 ` Sudip Mukherjee 2022-07-18 15:03 ` Sudip Mukherjee 2022-07-18 18:34 ` Linus Torvalds 2022-07-18 18:34 ` Linus Torvalds 2022-07-27 12:02 ` Michael Ellerman 2022-07-18 19:06 ` mainline build failure of powerpc allmodconfig for prom_init_check Linus Torvalds 2022-07-18 19:06 ` Linus Torvalds 2022-07-18 22:08 ` Segher Boessenkool 2022-07-18 22:08 ` Segher Boessenkool 2022-07-18 22:55 ` Linus Torvalds 2022-07-18 22:55 ` Linus Torvalds 2022-07-19 13:35 ` Michael Ellerman 2022-07-19 13:35 ` Michael Ellerman
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