From: Catalin Marinas <catalin.marinas@arm.com> To: Andrey Konovalov <andreyknvl@google.com> Cc: Dmitry Vyukov <dvyukov@google.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, kasan-dev@googlegroups.com, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com>, Evgenii Stepanov <eugenis@google.com>, Elena Petrova <lenaptr@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Andrew Morton <akpm@linux-foundation.org>, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 27/37] arm64: mte: Switch GCR_EL1 in kernel entry and exit Date: Thu, 17 Sep 2020 17:52:21 +0100 [thread overview] Message-ID: <20200917165221.GF10662@gaia> (raw) In-Reply-To: <c801517c8c6c0b14ac2f5d9e189ff86fdbf1d495.1600204505.git.andreyknvl@google.com> On Tue, Sep 15, 2020 at 11:16:09PM +0200, Andrey Konovalov wrote: > diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c > index eca06b8c74db..3602ac45d093 100644 > --- a/arch/arm64/kernel/cpufeature.c > +++ b/arch/arm64/kernel/cpufeature.c > @@ -1721,6 +1721,9 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap) > > /* Enable in-kernel MTE only if KASAN_HW_TAGS is enabled */ > if (IS_ENABLED(CONFIG_KASAN_HW_TAGS)) { > + /* Enable the kernel exclude mask for random tags generation */ > + write_sysreg_s((SYS_GCR_EL1_RRND | gcr_kernel_excl), SYS_GCR_EL1); Nitpick: no need for extra braces, the comma has lower precedence. > + > /* Enable MTE Sync Mode for EL1 */ > sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, SCTLR_ELx_TCF_SYNC); > isb(); > diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S > index ff34461524d4..79a6848840bd 100644 > --- a/arch/arm64/kernel/entry.S > +++ b/arch/arm64/kernel/entry.S > @@ -175,6 +175,28 @@ alternative_else_nop_endif > #endif > .endm > > + .macro mte_restore_gcr, el, tsk, tmp, tmp2 > +#ifdef CONFIG_ARM64_MTE > +alternative_if_not ARM64_MTE > + b 1f > +alternative_else_nop_endif > + .if \el == 0 > + ldr \tmp, [\tsk, #THREAD_GCR_EL1_USER] > + .else > + ldr_l \tmp, gcr_kernel_excl > + .endif > + /* > + * Calculate and set the exclude mask preserving > + * the RRND (bit[16]) setting. > + */ > + mrs_s \tmp2, SYS_GCR_EL1 > + bfi \tmp2, \tmp, #0, #16 > + msr_s SYS_GCR_EL1, \tmp2 > + isb > +1: > +#endif > + .endm > + > .macro kernel_entry, el, regsize = 64 > .if \regsize == 32 > mov w0, w0 // zero upper 32 bits of x0 > @@ -214,6 +236,8 @@ alternative_else_nop_endif > > ptrauth_keys_install_kernel tsk, x20, x22, x23 > > + mte_restore_gcr 1, tsk, x22, x23 > + > scs_load tsk, x20 > .else > add x21, sp, #S_FRAME_SIZE > @@ -332,6 +356,8 @@ alternative_else_nop_endif > /* No kernel C function calls after this as user keys are set. */ > ptrauth_keys_install_user tsk, x0, x1, x2 > > + mte_restore_gcr 0, tsk, x0, x1 Some nitpicks on these macros to match the ptrauth_keys_* above. Define separate mte_set_{user,kernel}_gcr macros with a common mte_set_gcr that is used by both. > + > apply_ssbd 0, x0, x1 > .endif > > diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c > index 858e75cfcaa0..1c7d963b5038 100644 > --- a/arch/arm64/kernel/mte.c > +++ b/arch/arm64/kernel/mte.c > @@ -18,10 +18,13 @@ > > #include <asm/barrier.h> > #include <asm/cpufeature.h> > +#include <asm/kprobes.h> What's this apparently random kprobes.h include? > #include <asm/mte.h> > #include <asm/ptrace.h> > #include <asm/sysreg.h> > > +u64 gcr_kernel_excl __ro_after_init; > + > static void mte_sync_page_tags(struct page *page, pte_t *ptep, bool check_swap) > { > pte_t old_pte = READ_ONCE(*ptep); > @@ -120,6 +123,13 @@ void *mte_set_mem_tag_range(void *addr, size_t size, u8 tag) > return ptr; > } > > +void mte_init_tags(u64 max_tag) > +{ > + u64 incl = GENMASK(max_tag & MTE_TAG_MAX, 0); > + > + gcr_kernel_excl = ~incl & SYS_GCR_EL1_EXCL_MASK; > +} Do we need to set the actual GCR_EL1 register here? We may not get an exception by the time KASAN starts using it. -- Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com> To: Andrey Konovalov <andreyknvl@google.com> Cc: linux-arm-kernel@lists.infradead.org, Marco Elver <elver@google.com>, Elena Petrova <lenaptr@google.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Branislav Rankov <Branislav.Rankov@arm.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko <glider@google.com>, Evgenii Stepanov <eugenis@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrew Morton <akpm@linux-foundation.org>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com> Subject: Re: [PATCH v2 27/37] arm64: mte: Switch GCR_EL1 in kernel entry and exit Date: Thu, 17 Sep 2020 17:52:21 +0100 [thread overview] Message-ID: <20200917165221.GF10662@gaia> (raw) In-Reply-To: <c801517c8c6c0b14ac2f5d9e189ff86fdbf1d495.1600204505.git.andreyknvl@google.com> On Tue, Sep 15, 2020 at 11:16:09PM +0200, Andrey Konovalov wrote: > diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c > index eca06b8c74db..3602ac45d093 100644 > --- a/arch/arm64/kernel/cpufeature.c > +++ b/arch/arm64/kernel/cpufeature.c > @@ -1721,6 +1721,9 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap) > > /* Enable in-kernel MTE only if KASAN_HW_TAGS is enabled */ > if (IS_ENABLED(CONFIG_KASAN_HW_TAGS)) { > + /* Enable the kernel exclude mask for random tags generation */ > + write_sysreg_s((SYS_GCR_EL1_RRND | gcr_kernel_excl), SYS_GCR_EL1); Nitpick: no need for extra braces, the comma has lower precedence. > + > /* Enable MTE Sync Mode for EL1 */ > sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, SCTLR_ELx_TCF_SYNC); > isb(); > diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S > index ff34461524d4..79a6848840bd 100644 > --- a/arch/arm64/kernel/entry.S > +++ b/arch/arm64/kernel/entry.S > @@ -175,6 +175,28 @@ alternative_else_nop_endif > #endif > .endm > > + .macro mte_restore_gcr, el, tsk, tmp, tmp2 > +#ifdef CONFIG_ARM64_MTE > +alternative_if_not ARM64_MTE > + b 1f > +alternative_else_nop_endif > + .if \el == 0 > + ldr \tmp, [\tsk, #THREAD_GCR_EL1_USER] > + .else > + ldr_l \tmp, gcr_kernel_excl > + .endif > + /* > + * Calculate and set the exclude mask preserving > + * the RRND (bit[16]) setting. > + */ > + mrs_s \tmp2, SYS_GCR_EL1 > + bfi \tmp2, \tmp, #0, #16 > + msr_s SYS_GCR_EL1, \tmp2 > + isb > +1: > +#endif > + .endm > + > .macro kernel_entry, el, regsize = 64 > .if \regsize == 32 > mov w0, w0 // zero upper 32 bits of x0 > @@ -214,6 +236,8 @@ alternative_else_nop_endif > > ptrauth_keys_install_kernel tsk, x20, x22, x23 > > + mte_restore_gcr 1, tsk, x22, x23 > + > scs_load tsk, x20 > .else > add x21, sp, #S_FRAME_SIZE > @@ -332,6 +356,8 @@ alternative_else_nop_endif > /* No kernel C function calls after this as user keys are set. */ > ptrauth_keys_install_user tsk, x0, x1, x2 > > + mte_restore_gcr 0, tsk, x0, x1 Some nitpicks on these macros to match the ptrauth_keys_* above. Define separate mte_set_{user,kernel}_gcr macros with a common mte_set_gcr that is used by both. > + > apply_ssbd 0, x0, x1 > .endif > > diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c > index 858e75cfcaa0..1c7d963b5038 100644 > --- a/arch/arm64/kernel/mte.c > +++ b/arch/arm64/kernel/mte.c > @@ -18,10 +18,13 @@ > > #include <asm/barrier.h> > #include <asm/cpufeature.h> > +#include <asm/kprobes.h> What's this apparently random kprobes.h include? > #include <asm/mte.h> > #include <asm/ptrace.h> > #include <asm/sysreg.h> > > +u64 gcr_kernel_excl __ro_after_init; > + > static void mte_sync_page_tags(struct page *page, pte_t *ptep, bool check_swap) > { > pte_t old_pte = READ_ONCE(*ptep); > @@ -120,6 +123,13 @@ void *mte_set_mem_tag_range(void *addr, size_t size, u8 tag) > return ptr; > } > > +void mte_init_tags(u64 max_tag) > +{ > + u64 incl = GENMASK(max_tag & MTE_TAG_MAX, 0); > + > + gcr_kernel_excl = ~incl & SYS_GCR_EL1_EXCL_MASK; > +} Do we need to set the actual GCR_EL1 register here? We may not get an exception by the time KASAN starts using it. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-09-17 16:54 UTC|newest] Thread overview: 237+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-15 21:15 [PATCH v2 00/37] kasan: add hardware tag-based mode for arm64 Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 01/37] kasan: KASAN_VMALLOC depends on KASAN_GENERIC Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 02/37] kasan: group vmalloc code Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 03/37] kasan: shadow declarations only for software modes Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 04/37] kasan: rename (un)poison_shadow to (un)poison_memory Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 05/37] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_* Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-18 8:04 ` Alexander Potapenko 2020-09-18 8:04 ` Alexander Potapenko 2020-09-18 8:04 ` Alexander Potapenko 2020-09-18 10:42 ` Andrey Konovalov 2020-09-18 10:42 ` Andrey Konovalov 2020-09-18 10:42 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 06/37] kasan: only build init.c for software modes Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 07/37] kasan: split out shadow.c from common.c Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-18 8:17 ` Alexander Potapenko 2020-09-18 8:17 ` Alexander Potapenko 2020-09-18 8:17 ` Alexander Potapenko 2020-09-18 10:39 ` Andrey Konovalov 2020-09-18 10:39 ` Andrey Konovalov 2020-09-18 10:39 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 08/37] kasan: rename generic/tags_report.c files Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 09/37] kasan: don't duplicate config dependencies Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 10/37] kasan: hide invalid free check implementation Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 11/37] kasan: decode stack frame only with KASAN_STACK_ENABLE Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 12/37] kasan, arm64: only init shadow for software modes Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-17 17:05 ` Catalin Marinas 2020-09-17 17:05 ` Catalin Marinas 2020-09-15 21:15 ` [PATCH v2 13/37] kasan, arm64: only use kasan_depth " Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-17 17:05 ` Catalin Marinas 2020-09-17 17:05 ` Catalin Marinas 2020-09-15 21:15 ` [PATCH v2 14/37] kasan: rename addr_has_shadow to addr_has_metadata Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 15/37] kasan: rename print_shadow_for_address to print_memory_metadata Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 16/37] kasan: kasan_non_canonical_hook only for software modes Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` [PATCH v2 17/37] kasan: rename SHADOW layout macros to META Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:15 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 18/37] kasan: separate metadata_fetch_row for each mode Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 19/37] kasan: don't allow SW_TAGS with ARM64_MTE Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:05 ` Catalin Marinas 2020-09-17 17:05 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 20/37] kasan: rename tags.c to tags_sw.c Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-18 9:41 ` Alexander Potapenko 2020-09-18 9:41 ` Alexander Potapenko 2020-09-18 9:41 ` Alexander Potapenko 2020-09-18 9:44 ` Alexander Potapenko 2020-09-18 9:44 ` Alexander Potapenko 2020-09-18 9:44 ` Alexander Potapenko 2020-09-18 9:46 ` Alexander Potapenko 2020-09-18 9:46 ` Alexander Potapenko 2020-09-18 9:46 ` Alexander Potapenko 2020-09-18 10:42 ` Andrey Konovalov 2020-09-18 10:42 ` Andrey Konovalov 2020-09-18 10:42 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 21/37] kasan: introduce CONFIG_KASAN_HW_TAGS Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-18 12:32 ` Marco Elver 2020-09-18 12:32 ` Marco Elver 2020-09-18 15:06 ` Andrey Konovalov 2020-09-18 15:06 ` Andrey Konovalov 2020-09-18 15:06 ` Andrey Konovalov 2020-09-18 15:36 ` Marco Elver 2020-09-18 15:36 ` Marco Elver 2020-09-18 15:36 ` Marco Elver 2020-09-18 15:45 ` Andrey Konovalov 2020-09-18 15:45 ` Andrey Konovalov 2020-09-18 15:45 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 22/37] arm64: mte: Add in-kernel MTE helpers Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 13:46 ` Catalin Marinas 2020-09-17 13:46 ` Catalin Marinas 2020-09-17 14:21 ` Vincenzo Frascino 2020-09-17 14:21 ` Vincenzo Frascino 2020-09-18 9:36 ` Catalin Marinas 2020-09-18 9:36 ` Catalin Marinas 2020-09-22 10:16 ` Vincenzo Frascino 2020-09-22 10:16 ` Vincenzo Frascino 2020-09-17 16:17 ` Vincenzo Frascino 2020-09-17 16:17 ` Vincenzo Frascino 2020-09-17 17:07 ` Catalin Marinas 2020-09-17 17:07 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 23/37] arm64: kasan: Add arch layer for memory tagging helpers Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:05 ` Catalin Marinas 2020-09-17 17:05 ` Catalin Marinas 2020-09-18 13:00 ` Marco Elver 2020-09-18 13:00 ` Marco Elver 2020-09-18 14:56 ` Andrey Konovalov 2020-09-18 14:56 ` Andrey Konovalov 2020-09-18 14:56 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 24/37] arm64: mte: Add in-kernel tag fault handler Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 14:03 ` Catalin Marinas 2020-09-17 14:03 ` Catalin Marinas 2020-09-17 14:24 ` Vincenzo Frascino 2020-09-17 14:24 ` Vincenzo Frascino 2020-09-17 14:59 ` Catalin Marinas 2020-09-17 14:59 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 25/37] arm64: kasan: Enable in-kernel MTE Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 16:35 ` Catalin Marinas 2020-09-17 16:35 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 26/37] arm64: mte: Convert gcr_user into an exclude mask Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:06 ` Catalin Marinas 2020-09-17 17:06 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 27/37] arm64: mte: Switch GCR_EL1 in kernel entry and exit Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 16:52 ` Catalin Marinas [this message] 2020-09-17 16:52 ` Catalin Marinas 2020-09-17 16:58 ` Catalin Marinas 2020-09-17 16:58 ` Catalin Marinas 2020-09-17 18:47 ` Vincenzo Frascino 2020-09-17 18:47 ` Vincenzo Frascino 2020-09-18 9:39 ` Catalin Marinas 2020-09-18 9:39 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 28/37] arm64: kasan: Enable TBI EL1 Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 16:54 ` Catalin Marinas 2020-09-17 16:54 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 29/37] arm64: kasan: Align allocations for HW_TAGS Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:06 ` Catalin Marinas 2020-09-17 17:06 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 30/37] kasan: define KASAN_GRANULE_SIZE " Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 31/37] kasan, x86, s390: update undef CONFIG_KASAN Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-18 10:52 ` Marco Elver 2020-09-18 10:52 ` Marco Elver 2020-09-18 15:07 ` Andrey Konovalov 2020-09-18 15:07 ` Andrey Konovalov 2020-09-18 15:07 ` Andrey Konovalov 2020-09-24 21:35 ` Andrey Konovalov 2020-09-24 21:35 ` Andrey Konovalov 2020-09-24 21:35 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 32/37] kasan, arm64: expand CONFIG_KASAN checks Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:06 ` Catalin Marinas 2020-09-17 17:06 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 33/37] kasan, arm64: implement HW_TAGS runtime Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:06 ` Catalin Marinas 2020-09-17 17:06 ` Catalin Marinas 2020-09-18 10:46 ` Marco Elver 2020-09-18 10:46 ` Marco Elver 2020-09-18 12:28 ` Andrey Konovalov 2020-09-18 12:28 ` Andrey Konovalov 2020-09-18 12:28 ` Andrey Konovalov 2020-09-18 12:52 ` Marco Elver 2020-09-18 12:52 ` Marco Elver 2020-09-18 15:00 ` Andrey Konovalov 2020-09-18 15:00 ` Andrey Konovalov 2020-09-18 15:00 ` Andrey Konovalov 2020-09-18 15:19 ` Marco Elver 2020-09-18 15:19 ` Marco Elver 2020-09-18 15:52 ` Andrey Konovalov 2020-09-18 15:52 ` Andrey Konovalov 2020-09-18 15:52 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 34/37] kasan, arm64: print report from tag fault handler Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:04 ` Catalin Marinas 2020-09-17 17:04 ` Catalin Marinas 2020-09-18 12:26 ` Andrey Konovalov 2020-09-18 12:26 ` Andrey Konovalov 2020-09-18 12:26 ` Andrey Konovalov 2020-09-15 21:16 ` [PATCH v2 35/37] kasan, slub: reset tags when accessing metadata Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-18 14:44 ` Marco Elver 2020-09-18 14:44 ` Marco Elver 2020-09-18 14:55 ` Andrey Konovalov 2020-09-18 14:55 ` Andrey Konovalov 2020-09-18 14:55 ` Andrey Konovalov 2020-09-18 15:29 ` Catalin Marinas 2020-09-18 15:29 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 36/37] kasan, arm64: enable CONFIG_KASAN_HW_TAGS Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-17 17:04 ` Catalin Marinas 2020-09-17 17:04 ` Catalin Marinas 2020-09-15 21:16 ` [PATCH v2 37/37] kasan: add documentation for hardware tag-based mode Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov 2020-09-15 21:16 ` Andrey Konovalov
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