linux-stable/include/linux/ubsan.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_UBSAN_H
#define _LINUX_UBSAN_H

#ifdef CONFIG_UBSAN_TRAP
const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type);
#endif

#endif
arm64: Support Clang UBSAN trap codes for better reporting When building with CONFIG_UBSAN_TRAP=y on arm64, Clang encodes the UBSAN check (handler) type in the esr. Extract this and actually report these traps as coming from the specific UBSAN check that tripped. Before: Internal error: BRK handler: 00000000f20003e8 [#1] PREEMPT SMP After: Internal error: UBSAN: shift out of bounds: 00000000f2005514 [#1] PREEMPT SMP Acked-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Acked-by: Mukesh Ojha <quic_mojha@quicinc.com> Reviewed-by: Fangrui Song <maskray@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: John Stultz <jstultz@google.com> Cc: Yongqin Liu <yongqin.liu@linaro.org> Cc: Sami Tolvanen <samitolvanen@google.com> Cc: Yury Norov <yury.norov@gmail.com> Cc: Andrey Konovalov <andreyknvl@gmail.com> Cc: Marco Elver <elver@google.com> Cc: linux-arm-kernel@lists.infradead.org Cc: llvm@lists.linux.dev Signed-off-by: Kees Cook <keescook@chromium.org> 2023-02-02 22:07:49 +00:00			`/* SPDX-License-Identifier: GPL-2.0 */`
			`#ifndef _LINUX_UBSAN_H`
			`#define _LINUX_UBSAN_H`

			`#ifdef CONFIG_UBSAN_TRAP`
			`const char report_ubsan_failure(struct pt_regs regs, u32 check_type);`
			`#endif`

			`#endif`