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ubsan: Remove regs from report_ubsan_failure()

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report_ubsan_failure() doesn't use argument regs, and soon it will
be called from the hypervisor context were regs are not available.
So, remove the unused argument.

Signed-off-by: Mostafa Saleh <smostafa@google.com>
Acked-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20250430162713.1997569-3-smostafa@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Mostafa Saleh
2025-05-07 11:21:35 +01:00
committed by Marc Zyngier
parent dc1fd37a7f
commit d683a85618
4 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm64/kernel/traps.c
+1 -1
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@@ -1118,7 +1118,7 @@ static struct break_hook kasan_break_hook = {
#ifdef CONFIG_UBSAN_TRAP
static int ubsan_handler(struct pt_regs *regs, unsigned long esr)
{
die(report_ubsan_failure(regs, esr & UBSAN_BRK_MASK), regs, esr);
die(report_ubsan_failure(esr & UBSAN_BRK_MASK), regs, esr);
return DBG_HOOK_HANDLED;
}
arch/x86/kernel/traps.c
+1 -1
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@@ -351,7 +351,7 @@ static noinstr bool handle_bug(struct pt_regs *regs)
case BUG_UD1_UBSAN:
if (IS_ENABLED(CONFIG_UBSAN_TRAP)) {
pr_crit("%s at %pS\n",
report_ubsan_failure(regs, ud_imm),
report_ubsan_failure(ud_imm),
(void *)regs->ip);
}
break;
include/linux/ubsan.h
+2 -2
View File
@@ -3,9 +3,9 @@
#define _LINUX_UBSAN_H
#ifdef CONFIG_UBSAN_TRAP
const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type);
const char *report_ubsan_failure(u32 check_type);
#else
static inline const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
static inline const char *report_ubsan_failure(u32 check_type)
{
return NULL;
}
lib/ubsan.c
+1 -1
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@@ -25,7 +25,7 @@
* The mappings of struct SanitizerKind (the -fsanitize=xxx args) to
* enum SanitizerHandler (the traps) in Clang is in clang/lib/CodeGen/.
*/
const char *report_ubsan_failure(struct pt_regs *regs, u32 check_type)
const char *report_ubsan_failure(u32 check_type)
{
switch (check_type) {
#ifdef CONFIG_UBSAN_BOUNDS