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-rw-r--r--tools/objtool/check.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 5f26620f13f5..4768d91c6d68 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -138,13 +138,13 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func,
"do_task_dead",
"__module_put_and_exit",
"complete_and_exit",
- "kvm_spurious_fault",
"__reiserfs_panic",
"lbug_with_loc",
"fortify_panic",
"usercopy_abort",
"machine_real_restart",
"rewind_stack_do_exit",
+ "kunit_try_catch_throw",
};
if (!func)
@@ -482,6 +482,7 @@ static const char *uaccess_safe_builtin[] = {
"ubsan_type_mismatch_common",
"__ubsan_handle_type_mismatch",
"__ubsan_handle_type_mismatch_v1",
+ "__ubsan_handle_shift_out_of_bounds",
/* misc */
"csum_partial_copy_generic",
"__memcpy_mcsafe",
@@ -1946,6 +1947,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
struct alternative *alt;
struct instruction *insn, *next_insn;
struct section *sec;
+ u8 visited;
int ret;
insn = first;
@@ -1972,12 +1974,12 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
return 1;
}
+ visited = 1 << state.uaccess;
if (insn->visited) {
if (!insn->hint && !insn_state_match(insn, &state))
return 1;
- /* If we were here with AC=0, but now have AC=1, go again */
- if (insn->state.uaccess || !state.uaccess)
+ if (insn->visited & visited)
return 0;
}
@@ -2024,7 +2026,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
} else
insn->state = state;
- insn->visited = true;
+ insn->visited |= visited;
if (!insn->ignore_alts) {
bool skip_orig = false;
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