From: Alexander Potapenko <glider@google.com> To: Andrey Konovalov <andreyknvl@google.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk>, Vegard Nossum <vegard.nossum@oracle.com>, Dmitry Vyukov <dvyukov@google.com>, Linux Memory Management List <linux-mm@kvack.org>, Andreas Dilger <adilger.kernel@dilger.ca>, Andrew Morton <akpm@linux-foundation.org>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andy Lutomirski <luto@kernel.org>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Arnd Bergmann <arnd@arndb.de>, Christoph Hellwig <hch@infradead.org>, Christoph Hellwig <hch@lst.de>, "Darrick J. Wong" <darrick.wong@oracle.com>, "David S. Miller" <davem@davemloft.net>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Eric Biggers <ebiggers@google.com>, Eric Dumazet <edumazet@google.com>, Eric Van Hensbergen <ericvh@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Harry Wentland <harry.wentland@amd.com>, Herbert Xu <herbert@gondor.apana.org.au>, Ilya Leoshkevich <iii@linux.ibm.com>, Ingo Molnar <mingo@elte.hu>, Jason Wang <jasowang@redhat.com>, Jens Axboe <axboe@kernel.dk>, Marek Szyprowski <m.szyprowski@samsung.com>, Marco Elver <elver@google.com>, Mark Rutland <mark.rutland@arm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Matthew Wilcox <willy@infradead.org>, "Michael S . Tsirkin" <mst@redhat.com>, Michal Simek <monstr@monstr.eu>, Petr Mladek <pmladek@suse.com>, Qian Cai <cai@lca.pw>, Randy Dunlap <rdunlap@infradead.org>, Robin Murphy <robin.murphy@arm.com>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Steven Rostedt <rostedt@goodmis.org>, Takashi Iwai <tiwai@suse.com>, "Theodore Ts'o" <tytso@mit.edu>, Thomas Gleixner <tglx@linutronix.de>, Vasily Gorbik <gor@linux.ibm.com>, Wolfram Sang <wsa@the-dreams.de> Subject: Re: [PATCH RFC v3 27/36] kmsan: hooks for copy_to_user() and friends Date: Thu, 5 Dec 2019 17:00:27 +0100 Message-ID: <CAG_fn=V8h9HnQHvhwWZyX0wSzy9ZgTG-v5at67GvD=uy-8ieuA@mail.gmail.com> (raw) In-Reply-To: <CAAeHK+xKJzGzQdn4VTyFC_Dv9KHOcvC+GhDps6GzRJu2gwFfzw@mail.gmail.com> On Fri, Nov 29, 2019 at 4:34 PM Andrey Konovalov <andreyknvl@google.com> wrote: > > On Fri, Nov 22, 2019 at 12:27 PM <glider@google.com> wrote: > > > > Memory that is copied from userspace must be unpoisoned. > > Before copying memory to userspace, check it and report an error if it > > contains uninitialized bits. > > > > Signed-off-by: Alexander Potapenko <glider@google.com> > > To: Alexander Potapenko <glider@google.com> > > Cc: Alexander Viro <viro@zeniv.linux.org.uk> > > Cc: Vegard Nossum <vegard.nossum@oracle.com> > > Cc: Dmitry Vyukov <dvyukov@google.com> > > Cc: linux-mm@kvack.org > > --- > > v3: > > - fixed compilation errors reported by kbuild test bot > > > > Change-Id: I38428b9c7d1909b8441dcec1749b080494a7af99 > > --- > > arch/x86/include/asm/uaccess.h | 12 ++++++++++++ > > include/asm-generic/cacheflush.h | 7 ++++++- > > include/asm-generic/uaccess.h | 12 ++++++++++-- > > include/linux/uaccess.h | 32 +++++++++++++++++++++++++++----- > > lib/iov_iter.c | 6 ++++++ > > lib/usercopy.c | 6 +++++- > > 6 files changed, 66 insertions(+), 9 deletions(-) > > > > diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h > > index 61d93f062a36..ac4b26583f7c 100644 > > --- a/arch/x86/include/asm/uaccess.h > > +++ b/arch/x86/include/asm/uaccess.h > > @@ -6,6 +6,7 @@ > > */ > > #include <linux/compiler.h> > > #include <linux/kasan-checks.h> > > +#include <linux/kmsan-checks.h> > > #include <linux/string.h> > > #include <asm/asm.h> > > #include <asm/page.h> > > @@ -174,6 +175,7 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) > > ASM_CALL_CONSTRAINT \ > > : "0" (ptr), "i" (sizeof(*(ptr)))); \ > > (x) = (__force __typeof__(*(ptr))) __val_gu; \ > > + kmsan_unpoison_shadow(&(x), sizeof(*(ptr))); \ > > __builtin_expect(__ret_gu, 0); \ > > }) > > > > @@ -248,6 +250,7 @@ extern void __put_user_8(void); > > __chk_user_ptr(ptr); \ > > might_fault(); \ > > __pu_val = x; \ > > + kmsan_check_memory(&(__pu_val), sizeof(*(ptr))); \ > > switch (sizeof(*(ptr))) { \ > > case 1: \ > > __put_user_x(1, __pu_val, ptr, __ret_pu); \ > > @@ -270,7 +273,9 @@ extern void __put_user_8(void); > > > > #define __put_user_size(x, ptr, size, label) \ > > do { \ > > + __typeof__(*(ptr)) __pus_val = x; \ > > __chk_user_ptr(ptr); \ > > + kmsan_check_memory(&(__pus_val), size); \ > > switch (size) { \ > > case 1: \ > > __put_user_goto(x, ptr, "b", "b", "iq", label); \ > > @@ -295,7 +300,10 @@ do { \ > > */ > > #define __put_user_size_ex(x, ptr, size) \ > > do { \ > > + __typeof__(*(ptr)) __puse_val; \ > > Can we do = x here? Yes. Fixed, thanks! > > __chk_user_ptr(ptr); \ > > + __puse_val = x; \ > > + kmsan_check_memory(&(__puse_val), size); \ > > switch (size) { \ > > case 1: \ > > __put_user_asm_ex(x, ptr, "b", "b", "iq"); \ > > @@ -363,6 +371,7 @@ do { \ > > default: \ > > (x) = __get_user_bad(); \ > > } \ > > + kmsan_unpoison_shadow(&(x), size); \ > > } while (0) > > > > #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \ > > @@ -413,6 +422,7 @@ do { \ > > default: \ > > (x) = __get_user_bad(); \ > > } \ > > + kmsan_unpoison_shadow(&(x), size); \ > > } while (0) > > > > #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ > > @@ -428,11 +438,13 @@ do { \ > > #define __put_user_nocheck(x, ptr, size) \ > > ({ \ > > __label__ __pu_label; \ > > + __typeof__(*(ptr)) __pun_val = x; \ > > Not sure if this matters, but two lines below do (x). Right. > Also, why can't we use __pu_val instead of defining __pun_val? Will do. > > > int __pu_err = -EFAULT; \ > > __typeof__(*(ptr)) __pu_val = (x); \ > > __typeof__(ptr) __pu_ptr = (ptr); \ > > __typeof__(size) __pu_size = (size); \ > > __uaccess_begin(); \ > > + kmsan_check_memory(&(__pun_val), size); \ > > __put_user_size(__pu_val, __pu_ptr, __pu_size, __pu_label); \ > > __pu_err = 0; \ > > __pu_label: \ > > diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h > > index a950a22c4890..707531dccf5e 100644 > > --- a/include/asm-generic/cacheflush.h > > +++ b/include/asm-generic/cacheflush.h > > @@ -4,6 +4,7 @@ > > > > /* Keep includes the same across arches. */ > > #include <linux/mm.h> > > +#include <linux/kmsan-checks.h> > > > > #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 > > > > @@ -72,10 +73,14 @@ static inline void flush_cache_vunmap(unsigned long start, unsigned long end) > > > > #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ > > do { \ > > + kmsan_check_memory(src, len); \ > > memcpy(dst, src, len); \ > > flush_icache_user_range(vma, page, vaddr, len); \ > > } while (0) > > #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ > > - memcpy(dst, src, len) > > + do { \ > > + memcpy(dst, src, len); \ > > + kmsan_unpoison_shadow(dst, len); \ > > + } while (0) > > > > #endif /* __ASM_CACHEFLUSH_H */ > > diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h > > index e935318804f8..508ee649aeef 100644 > > --- a/include/asm-generic/uaccess.h > > +++ b/include/asm-generic/uaccess.h > > @@ -142,7 +142,11 @@ static inline int __access_ok(unsigned long addr, unsigned long size) > > > > static inline int __put_user_fn(size_t size, void __user *ptr, void *x) > > { > > - return unlikely(raw_copy_to_user(ptr, x, size)) ? -EFAULT : 0; > > + int n; > > + > > + n = raw_copy_to_user(ptr, x, size); > > + kmsan_copy_to_user(ptr, x, size, n); > > + return unlikely(n) ? -EFAULT : 0; > > } > > > > #define __put_user_fn(sz, u, k) __put_user_fn(sz, u, k) > > @@ -203,7 +207,11 @@ extern int __put_user_bad(void) __attribute__((noreturn)); > > #ifndef __get_user_fn > > static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) > > { > > - return unlikely(raw_copy_from_user(x, ptr, size)) ? -EFAULT : 0; > > + int copied, to_copy = size; > > + > > + copied = raw_copy_from_user(x, ptr, size); > > + kmsan_unpoison_shadow(x, to_copy - copied); > > + return unlikely(copied) ? -EFAULT : 0; > > } > > > > #define __get_user_fn(sz, u, k) __get_user_fn(sz, u, k) > > diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h > > index d4ee6e942562..7550d11a8077 100644 > > --- a/include/linux/uaccess.h > > +++ b/include/linux/uaccess.h > > @@ -5,6 +5,7 @@ > > #include <linux/sched.h> > > #include <linux/thread_info.h> > > #include <linux/kasan-checks.h> > > +#include <linux/kmsan-checks.h> > > > > #define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS) > > > > @@ -58,18 +59,26 @@ > > static __always_inline __must_check unsigned long > > __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) > > { > > + unsigned long to_copy = n; > > + > > kasan_check_write(to, n); > > check_object_size(to, n, false); > > - return raw_copy_from_user(to, from, n); > > + n = raw_copy_from_user(to, from, n); > > + kmsan_unpoison_shadow(to, to_copy - n); > > + return n; > > } > > > > static __always_inline __must_check unsigned long > > __copy_from_user(void *to, const void __user *from, unsigned long n) > > { > > + unsigned long to_copy = n; > > This is confusing. I think we need a var for raw_copy_from_user() > return value instead. Same in functions above and below. raw_copy_from_user() returns the number of bytes _not_ copied from userspace. So in the case it returns 0 we need to unpoison to_copy bytes. > > + > > might_fault(); > > kasan_check_write(to, n); > > check_object_size(to, n, false); > > - return raw_copy_from_user(to, from, n); > > + n = raw_copy_from_user(to, from, n); > > + kmsan_unpoison_shadow(to, to_copy - n); > > + return n; > > } > > > > /** > > @@ -88,29 +97,39 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) > > static __always_inline __must_check unsigned long > > __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) > > { > > + unsigned long to_copy = n; > > + > > kasan_check_read(from, n); > > check_object_size(from, n, true); > > - return raw_copy_to_user(to, from, n); > > + n = raw_copy_to_user(to, from, n); > > + kmsan_copy_to_user((const void *)to, from, to_copy, n); > > + return n; > > } > > > > static __always_inline __must_check unsigned long > > __copy_to_user(void __user *to, const void *from, unsigned long n) > > { > > + unsigned long to_copy = n; > > + > > might_fault(); > > kasan_check_read(from, n); > > check_object_size(from, n, true); > > - return raw_copy_to_user(to, from, n); > > + n = raw_copy_to_user(to, from, n); > > + kmsan_copy_to_user((const void *)to, from, to_copy, n); > > + return n; > > } > > > > #ifdef INLINE_COPY_FROM_USER > > static inline __must_check unsigned long > > _copy_from_user(void *to, const void __user *from, unsigned long n) > > { > > - unsigned long res = n; > > + unsigned long res = n, to_copy = n; > > + > > might_fault(); > > if (likely(access_ok(from, n))) { > > kasan_check_write(to, n); > > res = raw_copy_from_user(to, from, n); > > + kmsan_unpoison_shadow(to, to_copy - res); > > } > > if (unlikely(res)) > > memset(to + (n - res), 0, res); > > @@ -125,10 +144,13 @@ _copy_from_user(void *, const void __user *, unsigned long); > > static inline __must_check unsigned long > > _copy_to_user(void __user *to, const void *from, unsigned long n) > > { > > + unsigned long to_copy = n; > > + > > might_fault(); > > if (access_ok(to, n)) { > > kasan_check_read(from, n); > > n = raw_copy_to_user(to, from, n); > > + kmsan_copy_to_user(to, from, to_copy, n); > > } > > return n; > > } > > diff --git a/lib/iov_iter.c b/lib/iov_iter.c > > index 639d5e7014c1..f038676068b2 100644 > > --- a/lib/iov_iter.c > > +++ b/lib/iov_iter.c > > @@ -137,18 +137,24 @@ > > > > static int copyout(void __user *to, const void *from, size_t n) > > { > > + size_t to_copy = n; > > + > > if (access_ok(to, n)) { > > kasan_check_read(from, n); > > n = raw_copy_to_user(to, from, n); > > + kmsan_copy_to_user(to, from, to_copy, n); > > } > > return n; > > } > > > > static int copyin(void *to, const void __user *from, size_t n) > > { > > + size_t to_copy = n; > > + > > if (access_ok(from, n)) { > > kasan_check_write(to, n); > > n = raw_copy_from_user(to, from, n); > > + kmsan_unpoison_shadow(to, to_copy - n); > > } > > return n; > > } > > diff --git a/lib/usercopy.c b/lib/usercopy.c > > index cbb4d9ec00f2..abfd93edecba 100644 > > --- a/lib/usercopy.c > > +++ b/lib/usercopy.c > > @@ -1,4 +1,5 @@ > > // SPDX-License-Identifier: GPL-2.0 > > +#include <linux/kmsan-checks.h> > > #include <linux/uaccess.h> > > #include <linux/bitops.h> > > > > @@ -7,11 +8,12 @@ > > #ifndef INLINE_COPY_FROM_USER > > unsigned long _copy_from_user(void *to, const void __user *from, unsigned long n) > > { > > - unsigned long res = n; > > + unsigned long res = n, to_copy = n; > > might_fault(); > > if (likely(access_ok(from, n))) { > > kasan_check_write(to, n); > > res = raw_copy_from_user(to, from, n); > > + kmsan_unpoison_shadow(to, to_copy - res); > > } > > if (unlikely(res)) > > memset(to + (n - res), 0, res); > > @@ -23,10 +25,12 @@ EXPORT_SYMBOL(_copy_from_user); > > #ifndef INLINE_COPY_TO_USER > > unsigned long _copy_to_user(void __user *to, const void *from, unsigned long n) > > { > > + unsigned long to_copy = n; > > might_fault(); > > if (likely(access_ok(to, n))) { > > kasan_check_read(from, n); > > n = raw_copy_to_user(to, from, n); > > + kmsan_copy_to_user(to, from, to_copy, n); > > } > > return n; > > } > > -- > > 2.24.0.432.g9d3f5f5b63-goog > > -- Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Straße, 33 80636 München Geschäftsführer: Paul Manicle, Halimah DeLaine Prado Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg
next prev parent reply index Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-22 11:25 [PATCH RFC v3 00/36] Add KernelMemorySanitizer infrastructure glider 2019-11-22 11:25 ` [PATCH RFC v3 01/36] stackdepot: check depot_index before accessing the stack slab glider 2019-11-27 14:22 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 02/36] stackdepot: build with -fno-builtin glider 2019-11-27 14:22 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 03/36] kasan: stackdepot: move filter_irq_stacks() to stackdepot.c glider 2019-11-27 14:22 ` Marco Elver 2019-11-27 14:56 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 04/36] stackdepot: reserve 5 extra bits in depot_stack_handle_t glider 2019-11-27 14:23 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 05/36] kmsan: add ReST documentation glider 2019-11-27 14:22 ` Marco Elver 2019-12-03 12:42 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 06/36] kmsan: gfp: introduce __GFP_NO_KMSAN_SHADOW glider 2019-11-27 14:48 ` Marco Elver 2019-12-03 12:57 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 07/36] kmsan: introduce __no_sanitize_memory and __SANITIZE_MEMORY__ glider 2019-11-28 13:13 ` Marco Elver 2019-11-29 16:09 ` Andrey Konovalov 2019-12-16 11:35 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 08/36] kmsan: reduce vmalloc space glider 2019-11-28 13:30 ` Marco Elver 2019-11-22 11:25 ` [PATCH RFC v3 09/36] kmsan: add KMSAN bits to struct page and struct task_struct glider 2019-11-28 13:44 ` Marco Elver 2019-11-28 14:05 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 10/36] kmsan: add KMSAN runtime glider 2019-11-24 19:44 ` Wolfram Sang 2019-11-25 9:14 ` Alexander Potapenko 2019-11-29 16:07 ` Marco Elver 2019-12-19 14:16 ` Alexander Potapenko 2019-12-02 15:39 ` Andrey Konovalov 2019-12-20 18:58 ` Alexander Potapenko 2019-12-03 14:34 ` Andrey Konovalov 2019-11-22 11:25 ` [PATCH RFC v3 11/36] kmsan: stackdepot: don't allocate KMSAN metadata for stackdepot glider 2019-11-29 14:52 ` Andrey Konovalov 2019-12-03 14:27 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 12/36] kmsan: define READ_ONCE_NOCHECK() glider 2019-12-02 10:03 ` Marco Elver 2019-12-03 12:45 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 13/36] kmsan: make READ_ONCE_TASK_STACK() return initialized values glider 2019-12-02 10:07 ` Marco Elver 2019-12-05 15:52 ` Alexander Potapenko 2019-11-22 11:25 ` [PATCH RFC v3 14/36] kmsan: x86: sync metadata pages on page fault glider 2019-11-22 11:26 ` [PATCH RFC v3 15/36] kmsan: add tests for KMSAN glider 2019-11-29 14:14 ` Andrey Konovalov 2019-12-05 14:30 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 16/36] crypto: kmsan: disable accelerated configs under KMSAN glider 2019-12-02 13:25 ` Marco Elver 2019-12-05 14:51 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 17/36] kmsan: x86: disable UNWINDER_ORC " glider 2019-12-02 13:30 ` Marco Elver 2019-11-22 11:26 ` [PATCH RFC v3 18/36] kmsan: disable LOCK_DEBUGGING_SUPPORT glider 2019-12-02 13:33 ` Marco Elver 2019-12-03 14:34 ` Alexander Potapenko 2019-12-03 15:00 ` Qian Cai 2019-12-03 15:14 ` Alexander Potapenko 2019-12-03 18:02 ` Qian Cai 2019-12-03 18:38 ` Steven Rostedt 2019-12-04 8:41 ` Alexander Potapenko 2019-12-04 12:22 ` Petr Mladek 2019-12-04 13:12 ` Qian Cai 2019-12-04 16:24 ` Alexander Potapenko 2019-12-04 18:03 ` Qian Cai 2019-11-22 11:26 ` [PATCH RFC v3 20/36] kmsan: x86: increase stack sizes in KMSAN builds glider 2019-12-02 14:31 ` Marco Elver 2019-11-22 11:26 ` [PATCH RFC v3 21/36] kmsan: disable KMSAN instrumentation for certain kernel parts glider 2019-11-29 15:07 ` Andrey Konovalov 2019-12-10 10:35 ` Alexander Potapenko 2019-12-10 12:38 ` Alexander Potapenko 2019-12-10 12:43 ` Qian Cai 2019-11-22 11:26 ` [PATCH RFC v3 22/36] kmsan: mm: call KMSAN hooks from SLUB code glider 2019-12-02 15:36 ` Marco Elver 2019-12-10 12:07 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 23/36] kmsan: call KMSAN hooks where needed glider 2019-11-26 10:17 ` Petr Mladek 2019-11-26 10:52 ` Alexander Potapenko 2019-11-29 16:21 ` Andrey Konovalov 2019-12-16 11:30 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 24/36] kmsan: disable instrumentation of certain functions glider 2019-11-29 14:59 ` Andrey Konovalov 2019-12-18 10:02 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 25/36] kmsan: unpoison |tlb| in arch_tlb_gather_mmu() glider 2019-11-29 15:08 ` Andrey Konovalov 2019-12-03 14:19 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 26/36] kmsan: use __msan_memcpy() where possible glider 2019-11-29 15:13 ` Andrey Konovalov 2019-12-05 15:46 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 27/36] kmsan: hooks for copy_to_user() and friends glider 2019-11-29 15:34 ` Andrey Konovalov 2019-12-05 16:00 ` Alexander Potapenko [this message] 2019-12-05 16:44 ` Andrey Konovalov 2019-12-11 14:22 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 28/36] kmsan: enable KMSAN builds glider 2019-11-29 15:55 ` Andrey Konovalov 2019-12-11 12:51 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 29/36] kmsan: handle /dev/[u]random glider 2019-11-22 11:26 ` [PATCH RFC v3 30/36] kmsan: virtio: check/unpoison scatterlist in vring_map_one_sg() glider 2019-11-22 11:26 ` [PATCH RFC v3 31/36] kmsan: disable strscpy() optimization under KMSAN glider 2019-12-02 15:51 ` Marco Elver 2019-12-02 16:23 ` Alexander Potapenko 2019-12-03 11:19 ` Alexander Potapenko 2019-12-03 11:24 ` Marco Elver 2019-12-03 11:27 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 32/36] kmsan: add iomap support glider 2019-12-03 12:50 ` Marco Elver 2019-12-03 14:07 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 33/36] kmsan: dma: unpoison memory mapped by dma_direct_map_page() glider 2019-11-22 11:26 ` [PATCH RFC v3 34/36] kmsan: disable physical page merging in biovec glider 2019-12-03 12:54 ` Marco Elver 2019-12-03 13:38 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 35/36] kmsan: ext4: skip block merging logic in ext4_mpage_readpages for KMSAN glider 2019-11-25 16:05 ` Robin Murphy 2019-11-25 17:03 ` Alexander Potapenko 2019-12-03 14:22 ` Marco Elver 2019-12-05 14:31 ` Alexander Potapenko 2019-11-22 11:26 ` [PATCH RFC v3 36/36] net: kasan: kmsan: support CONFIG_GENERIC_CSUM on x86, enable it for KASAN/KMSAN glider 2019-12-03 14:17 ` Marco Elver 2019-12-05 14:37 ` Alexander Potapenko 2019-11-29 14:39 ` [PATCH RFC v3 00/36] Add KernelMemorySanitizer infrastructure Marco Elver 2019-12-02 16:02 ` Alexander Potapenko
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