| From | Sathvika Vasireddy <> | Subject | [PATCH v2 08/16] objtool: Fix SEGFAULT | Date | Mon, 29 Aug 2022 11:22:15 +0530 |
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From: Christophe Leroy <christophe.leroy@csgroup.eu>
find_insn() will return NULL in case of failure. Check insn in order to avoid a kernel Oops for NULL pointer dereference.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- 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 91678252a9b6..ed2fdfeb1d9c 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -205,7 +205,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func, return false; insn = find_insn(file, func->sec, func->offset); - if (!insn->func) + if (!insn || !insn->func) return false; func_for_each_insn(file, func, insn) { -- 2.31.1
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