diff --git a/arch/arm/src/arm/Toolchain.defs b/arch/arm/src/arm/Toolchain.defs index 34206b433c..b0bc5c7394 100644 --- a/arch/arm/src/arm/Toolchain.defs +++ b/arch/arm/src/arm/Toolchain.defs @@ -83,6 +83,14 @@ ifeq ($(CONFIG_MM_KASAN),y) ARCHOPTIMIZATION += -fsanitize=kernel-address endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + # NuttX buildroot under Linux or Cygwin ifeq ($(CONFIG_ARM_TOOLCHAIN),BUILDROOT) diff --git a/arch/arm/src/armv6-m/Toolchain.defs b/arch/arm/src/armv6-m/Toolchain.defs index 436322f6c5..d06d1802dd 100644 --- a/arch/arm/src/armv6-m/Toolchain.defs +++ b/arch/arm/src/armv6-m/Toolchain.defs @@ -169,6 +169,14 @@ ifeq ($(CONFIG_MM_KASAN),y) ARCHOPTIMIZATION += -fsanitize=kernel-address endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + ARCHCFLAGS += -fno-common ARCHCXXFLAGS += -fno-common -nostdinc++ diff --git a/arch/arm/src/armv7-a/Toolchain.defs b/arch/arm/src/armv7-a/Toolchain.defs index a9689026a8..ccbe22c01f 100644 --- a/arch/arm/src/armv7-a/Toolchain.defs +++ b/arch/arm/src/armv7-a/Toolchain.defs @@ -124,6 +124,14 @@ ifeq ($(CONFIG_ARCH_COVERAGE),y) ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + ifeq ($(CONFIG_ENDIAN_BIG),y) TARGET_ARCH := armeb else diff --git a/arch/arm/src/armv7-m/Toolchain.defs b/arch/arm/src/armv7-m/Toolchain.defs index 60a3baf624..0ea228e972 100644 --- a/arch/arm/src/armv7-m/Toolchain.defs +++ b/arch/arm/src/armv7-m/Toolchain.defs @@ -89,6 +89,14 @@ ifeq ($(CONFIG_ARMV7M_STACKCHECK),y) ARCHOPTIMIZATION += -finstrument-functions -ffixed-r10 endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + # Parametrization for ARCHCPUFLAGS ifeq ($(CONFIG_ARCH_CORTEXM4),y) diff --git a/arch/arm/src/armv7-r/Toolchain.defs b/arch/arm/src/armv7-r/Toolchain.defs index eea8871f32..d7a5876dd1 100644 --- a/arch/arm/src/armv7-r/Toolchain.defs +++ b/arch/arm/src/armv7-r/Toolchain.defs @@ -100,6 +100,14 @@ ifeq ($(CONFIG_MM_KASAN),y) ARCHOPTIMIZATION += -fsanitize=kernel-address endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + ifeq ($(CONFIG_ENDIAN_BIG),y) TARGET_ARCH := armeb else diff --git a/arch/arm/src/armv8-m/Toolchain.defs b/arch/arm/src/armv8-m/Toolchain.defs index a62d84ee57..bd4dd42ded 100644 --- a/arch/arm/src/armv8-m/Toolchain.defs +++ b/arch/arm/src/armv8-m/Toolchain.defs @@ -89,6 +89,14 @@ ifeq ($(CONFIG_ARMV8M_STACKCHECK),y) ARCHOPTIMIZATION += -finstrument-functions -ffixed-r10 endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + # Parametrization for ARCHCPUFLAGS ifeq ($(CONFIG_ARCH_CORTEXM23),y) diff --git a/arch/arm64/src/Toolchain.defs b/arch/arm64/src/Toolchain.defs index 3bf0fec3cd..07c2f899e6 100644 --- a/arch/arm64/src/Toolchain.defs +++ b/arch/arm64/src/Toolchain.defs @@ -62,6 +62,14 @@ ifeq ($(CONFIG_ARCH_COVERAGE),y) ARCHOPTIMIZATION += -fprofile-generate -ftest-coverage endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + ARCHCFLAGS += -fno-common ARCHCXXFLAGS += -fno-common -nostdinc++ diff --git a/arch/risc-v/src/common/Toolchain.defs b/arch/risc-v/src/common/Toolchain.defs index 8cc3a464db..a8685ea048 100644 --- a/arch/risc-v/src/common/Toolchain.defs +++ b/arch/risc-v/src/common/Toolchain.defs @@ -166,6 +166,14 @@ ifeq ($(CONFIG_MM_KASAN),y) ARCHOPTIMIZATION += -fsanitize=kernel-address endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + # Default toolchain CC = $(CROSSDEV)gcc diff --git a/arch/xtensa/src/lx6/Toolchain.defs b/arch/xtensa/src/lx6/Toolchain.defs index 699025e763..28d1c1196d 100644 --- a/arch/xtensa/src/lx6/Toolchain.defs +++ b/arch/xtensa/src/lx6/Toolchain.defs @@ -47,6 +47,14 @@ ifeq ($(CONFIG_MM_KASAN),y) ARCHOPTIMIZATION += -fsanitize=kernel-address endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y) ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL) else ifeq ($(CONFIG_DEBUG_FULLOPT),y) diff --git a/arch/xtensa/src/lx7/Toolchain.defs b/arch/xtensa/src/lx7/Toolchain.defs index 8f75c674f2..f5c7e6dd34 100644 --- a/arch/xtensa/src/lx7/Toolchain.defs +++ b/arch/xtensa/src/lx7/Toolchain.defs @@ -47,6 +47,14 @@ ifeq ($(CONFIG_MM_KASAN),y) ARCHOPTIMIZATION += -fsanitize=kernel-address endif +ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error +endif + ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y) ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL) else ifeq ($(CONFIG_DEBUG_FULLOPT),y) diff --git a/boards/sim/sim/sim/scripts/Make.defs b/boards/sim/sim/sim/scripts/Make.defs index 28c51b4c83..12338679f4 100644 --- a/boards/sim/sim/sim/scripts/Make.defs +++ b/boards/sim/sim/sim/scripts/Make.defs @@ -79,6 +79,12 @@ endif ifeq ($(CONFIG_SIM_UBSAN),y) ARCHOPTIMIZATION += -fsanitize=undefined +else ifeq ($(CONFIG_MM_UBSAN_ALL),y) + ARCHOPTIMIZATION += -fsanitize=undefined +endif + +ifeq ($(CONFIG_MM_UBSAN_TRAP_ON_ERROR),y) + ARCHOPTIMIZATION += -fsanitize-undefined-trap-on-error endif # Add -fno-common because macOS "ld -r" doesn't seem to pick objects diff --git a/mm/Kconfig b/mm/Kconfig index 2ab31daa70..7d5fd9b886 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -191,6 +191,34 @@ config MM_KASAN bugs in native code. After turn on this option, Please add -fsanitize=kernel-address to CFLAGS/CXXFLAGS too. +config MM_UBSAN + bool "Undefined Behavior Sanitizer" + default n + ---help--- + UBSan is a fast undefined behavior detector. UBSan modifies + the program at compile-time to catch various kinds of + undefined behavior during program execution + +config MM_UBSAN_ALL + bool "Enable UBSan for the entire image" + depends on MM_UBSAN + default y + ---help--- + This option activates UBSan instrumentation for the + entire image. If you don't enable this option, you have to + explicitly specify "-fsanitize=undefined" for + the files/directories you want to check. Enabling this option + will get image size increased and performance decreased + significantly. + +config MM_UBSAN_TRAP_ON_ERROR + bool "Enable UBsan trap on error to crash immediately" + depends on MM_UBSAN + default y + ---help--- + The undefined instruction trap should cause your program to crash, + save the code space significantly. + config MM_FILL_ALLOCATIONS bool "Fill allocations with debug value" default n diff --git a/mm/Makefile b/mm/Makefile index 5e3d11c902..928bab1fdf 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -31,6 +31,7 @@ include iob/Make.defs include circbuf/Make.defs include mempool/Make.defs include kasan/Make.defs +include ubsan/Make.defs BINDIR ?= bin diff --git a/mm/ubsan/Make.defs b/mm/ubsan/Make.defs new file mode 100644 index 0000000000..b41f2503c4 --- /dev/null +++ b/mm/ubsan/Make.defs @@ -0,0 +1,28 @@ +############################################################################ +# mm/ubsan/Make.defs +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +ifeq ($(CONFIG_MM_UBSAN),y) + +CSRCS += ubsan.c + +DEPPATH += --dep-path ubsan +VPATH += :ubsan + +endif diff --git a/mm/ubsan/ubsan.c b/mm/ubsan/ubsan.c new file mode 100644 index 0000000000..54b101d94b --- /dev/null +++ b/mm/ubsan/ubsan.c @@ -0,0 +1,377 @@ +/**************************************************************************** + * mm/ubsan/ubsan.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include "ubsan.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define IS_ALIGNED(x, a) (((x) & ((a) - 1)) == 0) + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static FAR const char *const g_type_check_kinds[] = +{ + "load of", + "store to", + "reference binding to", + "member access within", + "member call on", + "constructor call on", + "downcast of", + "downcast of" +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static void ubsan_prologue(FAR struct source_location *loc, + FAR const char *reason) +{ + _alert("========================================" + "========================================\n"); + _alert("UBSAN: %s in %s:%" PRIu32 ":%" PRIu32"\n", + reason, loc->file_name, loc->line, loc->column); +} + +static void ubsan_epilogue(void) +{ + _alert("========================================" + "========================================\n"); +} + +static void ubsan_prologue_epilogue(FAR struct source_location *loc, + FAR const char *reason) +{ + ubsan_prologue(loc, reason); + ubsan_epilogue(); +} + +static void handle_null_ptr_deref(FAR struct type_mismatch_data_common *data) +{ + ubsan_prologue(data->location, "null-pointer-dereference"); + + _alert("%s null pointer of type %s\n", + g_type_check_kinds[data->type_check_kind], data->type->type_name); + + ubsan_epilogue(); +} + +static void handle_misaligned_access( + FAR struct type_mismatch_data_common *data, uintptr_t ptr) +{ + ubsan_prologue(data->location, "misaligned-access"); + + _alert("%s misaligned address %p for type %s\n", + g_type_check_kinds[data->type_check_kind], (FAR void *)ptr, + data->type->type_name); + _alert("which requires %ld byte alignment\n", data->alignment); + + ubsan_epilogue(); +} + +static void handle_object_size_mismatch( + FAR struct type_mismatch_data_common *data, uintptr_t ptr) +{ + ubsan_prologue(data->location, "object-size-mismatch"); + + _alert("%s address %p with insufficient space\n", + g_type_check_kinds[data->type_check_kind], (FAR void *)ptr); + _alert("for an object of type %s\n", data->type->type_name); + + ubsan_epilogue(); +} + +static void ubsan_type_mismatch_common( + FAR struct type_mismatch_data_common *data, uintptr_t ptr) +{ + if (!ptr) + { + handle_null_ptr_deref(data); + } + else if (data->alignment && !IS_ALIGNED(ptr, data->alignment)) + { + handle_misaligned_access(data, ptr); + } + else + { + handle_object_size_mismatch(data, ptr); + } +} + +static bool type_is_int(FAR struct type_descriptor *type) +{ + return type->type_kind == TYPE_KIND_INT; +} + +static bool type_is_signed(FAR struct type_descriptor *type) +{ + return type->type_info & 1; +} + +static unsigned type_bit_width(FAR struct type_descriptor *type) +{ + return 1 << (type->type_info >> 1); +} + +static bool is_inline_int(FAR struct type_descriptor *type) +{ + unsigned inline_bits = sizeof(uintptr_t) * 8; + unsigned bits = type_bit_width(type); + + return bits <= inline_bits; +} + +static int64_t get_signed_val(FAR struct type_descriptor *type, + FAR void *val) +{ + if (is_inline_int(type)) + { + unsigned extra_bits = sizeof(int64_t) * 8 - type_bit_width(type); + uintptr_t ulong_val = (uintptr_t)val; + + return ((int64_t)ulong_val) << extra_bits >> extra_bits; + } + + return *(FAR int64_t *)val; +} + +static bool val_is_negative(FAR struct type_descriptor *type, FAR void *val) +{ + return type_is_signed(type) && get_signed_val(type, val) < 0; +} + +static uint64_t get_unsigned_val(FAR struct type_descriptor *type, + FAR void *val) +{ + if (is_inline_int(type)) + { + return (uintptr_t)val; + } + + return *(uint64_t *)val; +} + +static void val_to_string(FAR char *str, size_t size, + FAR struct type_descriptor *type, + FAR void *value) +{ + if (type_is_int(type)) + { + if (type_is_signed(type)) + { + snprintf(str, size, "%" PRId64, get_signed_val(type, value)); + } + else + { + snprintf(str, size, "%" PRIu64, get_unsigned_val(type, value)); + } + } +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +void __ubsan_handle_out_of_bounds(FAR void *data, FAR void *index) +{ + FAR struct out_of_bounds_data *info = data; + char index_str[40]; + + ubsan_prologue(&info->location, "array-index-out-of-bounds"); + + val_to_string(index_str, sizeof(index_str), info->index_type, index); + _alert("index %s is out of range for type %s\n", + index_str, info->array_type->type_name); + ubsan_epilogue(); +} + +void __ubsan_handle_shift_out_of_bounds(FAR void *data, + FAR void *lhs, FAR void *rhs) +{ + FAR struct shift_out_of_bounds_data *info = data; + FAR struct type_descriptor *rhs_type = info->rhs_type; + FAR struct type_descriptor *lhs_type = info->lhs_type; + char rhs_str[40]; + char lhs_str[40]; + + ubsan_prologue(&info->location, "shift-out-of-bounds"); + + val_to_string(rhs_str, sizeof(rhs_str), rhs_type, rhs); + val_to_string(lhs_str, sizeof(lhs_str), lhs_type, lhs); + + if (val_is_negative(rhs_type, rhs)) + { + _alert("shift exponent %s is negative\n", rhs_str); + } + else if (get_unsigned_val(rhs_type, rhs) >= type_bit_width(lhs_type)) + { + _alert("shift exponent %s is too large for %u-bit type %s\n", + rhs_str, type_bit_width(lhs_type), lhs_type->type_name); + } + else if (val_is_negative(lhs_type, lhs)) + { + _alert("left shift of negative value %s\n", lhs_str); + } + else + { + _alert("left shift of %s by %s places cannot be" + " represented in type %s\n", + lhs_str, rhs_str, lhs_type->type_name); + } + + ubsan_epilogue(); +} + +void __ubsan_handle_divrem_overflow(FAR void *data, + FAR void *lhs, FAR void *rhs) +{ + FAR struct overflow_data *info = data; + char rhs_val_str[40]; + + ubsan_prologue(&info->location, "division-overflow"); + + val_to_string(rhs_val_str, sizeof(rhs_val_str), info->type, rhs); + + if (type_is_signed(info->type) && get_signed_val(info->type, rhs) == -1) + { + _alert("division of %s by -1 cannot be represented in type %s\n", + rhs_val_str, info->type->type_name); + } + else + { + _alert("division by zero\n"); + } +} + +void __ubsan_handle_alignment_assumption(FAR void *data, uintptr_t ptr, + uintptr_t align, uintptr_t offset) +{ + FAR struct alignment_assumption_data *info = data; + uintptr_t real_ptr; + + ubsan_prologue(&info->location, "alignment-assumption"); + + if (offset) + { + _alert("assumption of %u byte alignment (with offset of %u byte) for " + "pointer of type %s failed", + align, offset, info->type->type_name); + } + else + { + _alert("assumption of %u byte alignment for pointer of type %s failed", + align, info->type->type_name); + } + + real_ptr = ptr - offset; + _alert("%saddress is %lu aligned, misalignment offset is %u bytes", + offset ? "offset " : "", + 1ul << (real_ptr ? ffsl(real_ptr) : 0), + real_ptr & (align - 1)); + + ubsan_epilogue(); +} + +void __ubsan_handle_type_mismatch(FAR struct type_mismatch_data *data, + FAR void *ptr) +{ + struct type_mismatch_data_common common_data = + { + .location = &data->location, + .type = data->type, + .alignment = data->alignment, + .type_check_kind = data->type_check_kind + }; + + ubsan_type_mismatch_common(&common_data, (uintptr_t)ptr); +} + +void __ubsan_handle_type_mismatch_v1(FAR void *_data, FAR void *ptr) +{ + FAR struct type_mismatch_data_v1 *data = _data; + struct type_mismatch_data_common common_data = + { + .location = &data->location, + .type = data->type, + .alignment = 1ul << data->log_alignment, + .type_check_kind = data->type_check_kind + }; + + ubsan_type_mismatch_common(&common_data, (uintptr_t)ptr); +} + +void __ubsan_handle_builtin_unreachable(FAR void *data) +{ + ubsan_prologue_epilogue(data, "unreachable"); + PANIC(); +} + +void __ubsan_handle_nonnull_arg(FAR void *data) +{ + ubsan_prologue_epilogue(data, "nonnull-arg"); +} + +void __ubsan_handle_add_overflow(FAR void *data, + FAR void *lhs, FAR void *rhs) +{ + ubsan_prologue_epilogue(data, "add-overflow"); +} + +void __ubsan_handle_sub_overflow(FAR void *data, + FAR void *lhs, FAR void *rhs) +{ + ubsan_prologue_epilogue(data, "sub-overflow"); +} + +void __ubsan_handle_mul_overflow(FAR void *data, + FAR void *lhs, FAR void *rhs) +{ + ubsan_prologue_epilogue(data, "mul-overflow"); +} + +void __ubsan_handle_load_invalid_value(FAR void *data, FAR void *ptr) +{ + ubsan_prologue_epilogue(data, "load-invalid-value"); +} + +void __ubsan_handle_negate_overflow(FAR void *data, FAR void *ptr) +{ + ubsan_prologue_epilogue(data, "negate-overflow"); +} + +void __ubsan_handle_pointer_overflow(FAR void *data, + FAR void *ptr, FAR void *result) +{ + ubsan_prologue_epilogue(data, "pointer-overflow"); +} diff --git a/mm/ubsan/ubsan.h b/mm/ubsan/ubsan.h new file mode 100644 index 0000000000..d9b31c5a0e --- /dev/null +++ b/mm/ubsan/ubsan.h @@ -0,0 +1,126 @@ +/**************************************************************************** + * mm/ubsan/ubsan.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +#ifndef __MM_UBSAN_UBSAN_H +#define __MM_UBSAN_UBSAN_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +enum type_kind_e +{ + TYPE_KIND_INT = 0, + TYPE_KIND_FLOAT = 1, + TYPE_KIND_UNKNOWN = 0xffff +}; + +struct type_descriptor +{ + uint16_t type_kind; + uint16_t type_info; + char type_name[1]; +}; + +struct source_location +{ + FAR const char *file_name; + union + { + unsigned long reported; + struct + { + uint32_t line; + uint32_t column; + }; + }; +}; + +struct overflow_data +{ + struct source_location location; + FAR struct type_descriptor *type; +}; + +struct type_mismatch_data +{ + struct source_location location; + FAR struct type_descriptor *type; + unsigned long alignment; + unsigned char type_check_kind; +}; + +struct type_mismatch_data_v1 +{ + struct source_location location; + FAR struct type_descriptor *type; + unsigned char log_alignment; + unsigned char type_check_kind; +}; + +struct type_mismatch_data_common +{ + FAR struct source_location *location; + FAR struct type_descriptor *type; + unsigned long alignment; + unsigned char type_check_kind; +}; + +struct nonnull_arg_data +{ + struct source_location location; + struct source_location attr_location; + int arg_index; +}; + +struct out_of_bounds_data +{ + struct source_location location; + FAR struct type_descriptor *array_type; + FAR struct type_descriptor *index_type; +}; + +struct shift_out_of_bounds_data +{ + struct source_location location; + FAR struct type_descriptor *lhs_type; + FAR struct type_descriptor *rhs_type; +}; + +struct invalid_value_data +{ + struct source_location location; + FAR struct type_descriptor *type; +}; + +struct alignment_assumption_data +{ + struct source_location location; + struct source_location assumption_location; + FAR struct type_descriptor *type; +}; + +#endif /* __MM_UBSAN_UBSAN_H */