[PATCH v3 8/9] extable: Use is_kernel_text() helper
From: Kefeng Wang <hidden>
Date: 2021-09-26 07:18:41
Also in:
bpf, linuxppc-dev, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
The core_kernel_text() should check the gate area, as it is part of kernel text range. Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Kefeng Wang <redacted> --- kernel/extable.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/extable.c b/kernel/extable.c
index 98ca627ac5ef..0ba383d850ff 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c@@ -64,8 +64,7 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr) int notrace core_kernel_text(unsigned long addr) { - if (addr >= (unsigned long)_stext && - addr < (unsigned long)_etext) + if (is_kernel_text(addr)) return 1; if (system_state < SYSTEM_RUNNING &&
--
2.26.2