Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc/prom_init: Fix build failure with GCC_PLUGIN_STRUCTLEAK_BYREF_ALL and KASAN | Date | Sun, 26 Jun 2022 10:28:23 +1000 |
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On Fri, 10 Jun 2022 17:43:43 +0200, Christophe Leroy wrote: > When CONFIG_KASAN is selected, we expect prom_init to use __memset() > because it is too early to use memset(). > > But with CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL, the compiler adds calls > to memset() to clear objects on stack, hence the following failure: > > PROMCHK arch/powerpc/kernel/prom_init_check > Error: External symbol 'memset' referenced from prom_init.c > make[2]: *** [arch/powerpc/kernel/Makefile:204 : arch/powerpc/kernel/prom_init_check] Erreur 1 > > [...]
Applied to powerpc/fixes.
[1/1] powerpc/prom_init: Fix build failure with GCC_PLUGIN_STRUCTLEAK_BYREF_ALL and KASAN https://git.kernel.org/powerpc/c/ca5dabcff1df6bc8c413922b5fa63cc602858803
cheers
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