Messages in this thread Patch in this message | | | From | Alexandre Chartre <> | Subject | [PATCH 1/7] objtool: is_fentry_call() crashes if call has no destination | Date | Thu, 2 Apr 2020 10:22:14 +0200 |
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Fix is_fentry_call() so that it works if a call has no destination set (call_dest). This needs to be done in order to support intra- function calls.
Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com> --- tools/objtool/check.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 4768d91c6d68..708562fb89e1 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -1363,7 +1363,7 @@ static int decode_sections(struct objtool_file *file) static bool is_fentry_call(struct instruction *insn) { - if (insn->type == INSN_CALL && + if (insn->type == INSN_CALL && insn->call_dest && insn->call_dest->type == STT_NOTYPE && !strcmp(insn->call_dest->name, "__fentry__")) return true; -- 2.18.2
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