From: Andrey Konovalov <andreyknvl@google.com> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com> Cc: Evgenii Stepanov <eugenis@google.com>, Kostya Serebryany <kcc@google.com>, Peter Collingbourne <pcc@google.com>, Serban Constantinescu <serbanc@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Elena Petrova <lenaptr@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Andrew Morton <akpm@linux-foundation.org>, kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov <andreyknvl@google.com> Subject: [PATCH RFC v2 05/21] kasan: allow VMAP_STACK for HW_TAGS mode Date: Thu, 22 Oct 2020 15:18:57 +0200 [thread overview] Message-ID: <1049f02fb4132390a6a314eb21dccfe5500e69d6.1603372719.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1603372719.git.andreyknvl@google.com> Even though hardware tag-based mode currently doesn't support checking vmalloc allocations, it doesn't use shadow memory and works with VMAP_STACK as is. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Link: https://linux-review.googlesource.com/id/I3552cbc12321dec82cd7372676e9372a2eb452ac --- arch/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/Kconfig b/arch/Kconfig index af14a567b493..3caf7bcdcf93 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -868,7 +868,7 @@ config VMAP_STACK default y bool "Use a virtually-mapped stack" depends on HAVE_ARCH_VMAP_STACK - depends on !KASAN || KASAN_VMALLOC + depends on !(KASAN_GENERIC || KASAN_SW_TAGS) || KASAN_VMALLOC help Enable this if you want the use virtually-mapped kernel stacks with guard pages. This causes kernel stack overflows to be -- 2.29.0.rc1.297.gfa9743e501-goog
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Konovalov <andreyknvl@google.com> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com>, Elena Petrova <lenaptr@google.com>, linux-mm@kvack.org, Andrey Konovalov <andreyknvl@google.com>, Kevin Brodsky <kevin.brodsky@arm.com>, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, Kostya Serebryany <kcc@google.com>, linux-arm-kernel@lists.infradead.org, Serban Constantinescu <serbanc@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrew Morton <akpm@linux-foundation.org>, Peter Collingbourne <pcc@google.com>, Evgenii Stepanov <eugenis@google.com> Subject: [PATCH RFC v2 05/21] kasan: allow VMAP_STACK for HW_TAGS mode Date: Thu, 22 Oct 2020 15:18:57 +0200 [thread overview] Message-ID: <1049f02fb4132390a6a314eb21dccfe5500e69d6.1603372719.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1603372719.git.andreyknvl@google.com> Even though hardware tag-based mode currently doesn't support checking vmalloc allocations, it doesn't use shadow memory and works with VMAP_STACK as is. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Link: https://linux-review.googlesource.com/id/I3552cbc12321dec82cd7372676e9372a2eb452ac --- arch/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/Kconfig b/arch/Kconfig index af14a567b493..3caf7bcdcf93 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -868,7 +868,7 @@ config VMAP_STACK default y bool "Use a virtually-mapped stack" depends on HAVE_ARCH_VMAP_STACK - depends on !KASAN || KASAN_VMALLOC + depends on !(KASAN_GENERIC || KASAN_SW_TAGS) || KASAN_VMALLOC help Enable this if you want the use virtually-mapped kernel stacks with guard pages. This causes kernel stack overflows to be -- 2.29.0.rc1.297.gfa9743e501-goog _______________________________________________ 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:[~2020-10-22 13:19 UTC|newest] Thread overview: 210+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-22 13:18 [PATCH RFC v2 00/21] kasan: hardware tag-based mode for production use on arm64 Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` [PATCH RFC v2 01/21] kasan: simplify quarantine_put call site Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-22 13:18 ` [PATCH RFC v2 02/21] kasan: rename get_alloc/free_info Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-22 13:18 ` [PATCH RFC v2 03/21] kasan: introduce set_alloc_info Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:41 ` Dmitry Vyukov 2020-10-27 12:41 ` Dmitry Vyukov 2020-10-27 12:41 ` Dmitry Vyukov 2020-10-22 13:18 ` [PATCH RFC v2 04/21] kasan: unpoison stack only with CONFIG_KASAN_STACK Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:44 ` Dmitry Vyukov 2020-10-27 12:44 ` Dmitry Vyukov 2020-10-27 12:44 ` Dmitry Vyukov 2020-10-27 12:45 ` Dmitry Vyukov 2020-10-27 12:45 ` Dmitry Vyukov 2020-10-27 12:45 ` Dmitry Vyukov 2020-10-29 19:57 ` Andrey Konovalov 2020-10-29 19:57 ` Andrey Konovalov 2020-10-29 19:57 ` Andrey Konovalov 2020-11-16 10:59 ` Dmitry Vyukov 2020-11-16 10:59 ` Dmitry Vyukov 2020-11-16 10:59 ` Dmitry Vyukov 2020-11-16 11:50 ` Marco Elver 2020-11-16 11:50 ` Marco Elver 2020-11-16 11:50 ` Marco Elver 2020-11-16 12:16 ` Catalin Marinas 2020-11-16 12:16 ` Catalin Marinas 2020-11-16 12:19 ` Dmitry Vyukov 2020-11-16 12:19 ` Dmitry Vyukov 2020-11-16 12:19 ` Dmitry Vyukov 2020-11-16 12:45 ` Vincenzo Frascino 2020-11-16 12:45 ` Vincenzo Frascino 2020-11-16 13:50 ` Andrey Konovalov 2020-11-16 13:50 ` Andrey Konovalov 2020-11-16 13:50 ` Andrey Konovalov 2020-11-16 14:50 ` Vincenzo Frascino 2020-11-16 14:50 ` Vincenzo Frascino 2020-10-22 13:18 ` Andrey Konovalov [this message] 2020-10-22 13:18 ` [PATCH RFC v2 05/21] kasan: allow VMAP_STACK for HW_TAGS mode Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:49 ` Dmitry Vyukov 2020-10-27 12:49 ` Dmitry Vyukov 2020-10-27 12:49 ` Dmitry Vyukov 2020-10-29 20:00 ` Andrey Konovalov 2020-10-29 20:00 ` Andrey Konovalov 2020-10-29 20:00 ` Andrey Konovalov 2020-10-22 13:18 ` [PATCH RFC v2 06/21] kasan: mark kasan_init_tags as __init Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-28 10:08 ` Dmitry Vyukov 2020-10-28 10:08 ` Dmitry Vyukov 2020-10-28 10:08 ` Dmitry Vyukov 2020-10-29 20:08 ` Andrey Konovalov 2020-10-29 20:08 ` Andrey Konovalov 2020-10-29 20:08 ` Andrey Konovalov 2020-10-22 13:18 ` [PATCH RFC v2 07/21] kasan, arm64: move initialization message Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-28 10:55 ` Dmitry Vyukov 2020-10-28 10:55 ` Dmitry Vyukov 2020-10-28 10:55 ` Dmitry Vyukov 2020-10-29 20:14 ` Andrey Konovalov 2020-10-29 20:14 ` Andrey Konovalov 2020-10-29 20:14 ` Andrey Konovalov 2020-11-03 15:33 ` Andrey Konovalov 2020-11-03 15:33 ` Andrey Konovalov 2020-11-03 15:33 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 08/21] kasan: remove __kasan_unpoison_stack Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 10:57 ` Dmitry Vyukov 2020-10-28 10:57 ` Dmitry Vyukov 2020-10-28 10:57 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 09/21] kasan: inline kasan_reset_tag for tag-based modes Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:05 ` Dmitry Vyukov 2020-10-28 11:05 ` Dmitry Vyukov 2020-10-28 11:05 ` Dmitry Vyukov 2020-10-30 16:19 ` Andrey Konovalov 2020-10-30 16:19 ` Andrey Konovalov 2020-10-30 16:19 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 10/21] kasan: inline random_tag for HW_TAGS Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:08 ` Dmitry Vyukov 2020-10-28 11:08 ` Dmitry Vyukov 2020-10-28 11:08 ` Dmitry Vyukov 2020-10-30 15:48 ` Andrey Konovalov 2020-10-30 15:48 ` Andrey Konovalov 2020-10-30 15:48 ` Andrey Konovalov 2020-10-30 16:07 ` Andrey Konovalov 2020-10-30 16:07 ` Andrey Konovalov 2020-10-30 16:07 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 11/21] kasan: inline kasan_poison_memory and check_invalid_free Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:29 ` Dmitry Vyukov 2020-10-28 11:29 ` Dmitry Vyukov 2020-10-28 11:29 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 12/21] kasan: inline and rename kasan_unpoison_memory Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:36 ` Dmitry Vyukov 2020-10-28 11:36 ` Dmitry Vyukov 2020-10-28 11:36 ` Dmitry Vyukov 2020-10-30 16:34 ` Andrey Konovalov 2020-10-30 16:34 ` Andrey Konovalov 2020-10-30 16:34 ` Andrey Konovalov 2020-10-30 17:46 ` Dmitry Vyukov 2020-10-30 17:46 ` Dmitry Vyukov 2020-10-30 17:46 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 13/21] arm64: kasan: Add cpu_supports_tags helper Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:38 ` Dmitry Vyukov 2020-10-28 11:38 ` Dmitry Vyukov 2020-10-28 11:38 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 14/21] kasan: add and integrate kasan boot parameters Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 18:50 ` Marco Elver 2020-10-22 18:50 ` Marco Elver 2020-10-22 18:50 ` Marco Elver 2020-10-22 20:28 ` Andrey Konovalov 2020-10-22 20:28 ` Andrey Konovalov 2020-10-22 20:28 ` Andrey Konovalov 2020-10-28 12:27 ` Dmitry Vyukov 2020-10-28 12:27 ` Dmitry Vyukov 2020-10-28 12:27 ` Dmitry Vyukov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 14:45 ` Marco Elver 2020-10-30 14:45 ` Marco Elver 2020-10-30 14:45 ` Marco Elver 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 15/21] kasan: check kasan_enabled in annotations Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:47 ` Dmitry Vyukov 2020-10-28 16:47 ` Dmitry Vyukov 2020-10-28 16:47 ` Dmitry Vyukov 2020-10-30 19:47 ` Andrey Konovalov 2020-10-30 19:47 ` Andrey Konovalov 2020-10-30 19:47 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 16/21] kasan: optimize poisoning in kmalloc and krealloc Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:55 ` Dmitry Vyukov 2020-10-28 16:55 ` Dmitry Vyukov 2020-10-28 16:55 ` Dmitry Vyukov 2020-11-02 15:17 ` Andrey Konovalov 2020-11-02 15:17 ` Andrey Konovalov 2020-11-02 15:17 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 17/21] kasan: simplify kasan_poison_kfree Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:57 ` Dmitry Vyukov 2020-10-28 16:57 ` Dmitry Vyukov 2020-10-28 16:57 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 18/21] kasan: rename kasan_poison_kfree Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:58 ` Dmitry Vyukov 2020-10-28 16:58 ` Dmitry Vyukov 2020-10-28 16:58 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 19/21] kasan: don't round_up too much Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 17:01 ` Dmitry Vyukov 2020-10-28 17:01 ` Dmitry Vyukov 2020-10-28 17:01 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 20/21] kasan: simplify assign_tag and set_tag calls Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 17:03 ` Dmitry Vyukov 2020-10-28 17:03 ` Dmitry Vyukov 2020-10-28 17:03 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 21/21] kasan: clarify comment in __kasan_kfree_large Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 17:04 ` Dmitry Vyukov 2020-10-28 17:04 ` Dmitry Vyukov 2020-10-28 17:04 ` Dmitry Vyukov 2020-10-22 15:15 ` [PATCH RFC v2 00/21] kasan: hardware tag-based mode for production use on arm64 Dmitry Vyukov 2020-10-22 15:15 ` Dmitry Vyukov 2020-10-22 15:15 ` Dmitry Vyukov 2020-10-22 17:00 ` Andrey Konovalov 2020-10-22 17:00 ` Andrey Konovalov 2020-10-22 17:00 ` Andrey Konovalov 2020-10-22 18:29 ` Kostya Serebryany 2020-10-22 18:29 ` Kostya Serebryany 2020-10-22 18:29 ` Kostya Serebryany
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