Skip to content

[ubsan] Change "Type mismatch in operation" trap reason to "Alignment, null, or object-size error" #169752

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
thurstond merged 2 commits into from
Nov 27, 2025
Merged

[ubsan] Change "Type mismatch in operation" trap reason to "Alignment, null, or object-size error" #169752

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
4c599e3
[ubsan] Change "Type mismatch in operation" trap reason to "Alignment…
thurstond Nov 27, 2025
479acb2
Wording suggestion from EmployedRussian
thurstond Nov 27, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion clang/lib/CodeGen/SanitizerHandler.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@
SANITIZER_CHECK(SubOverflow, sub_overflow, 0, \
"Integer subtraction overflowed") \
SANITIZER_CHECK(TypeMismatch, type_mismatch, 1, \
"Type mismatch in operation") \
"Alignment, null and/or object-size error") \
SANITIZER_CHECK(AlignmentAssumption, alignment_assumption, 0, \
"Alignment assumption violated") \
SANITIZER_CHECK( \
Expand Down
2 changes: 1 addition & 1 deletion clang/test/DebugInfo/Generic/ubsan-trap-reason-type-mismatch.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,4 +6,4 @@ int type_mismatch(int *p) { return *p; }
// CHECK-LABEL: @type_mismatch
// CHECK: call void @llvm.ubsantrap(i8 22) {{.*}}!dbg [[LOC:![0-9]+]]
// CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}})
// CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Type mismatch in operation"
// CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Alignment, null and/or object-size error"
Loading