diff mbox series

kernel/module: disable cfi for do_mod_ctors

Message ID 20240506062713.3360093-1-quic_jiangenj@quicinc.com (mailing list archive)
State Handled Elsewhere
Headers show
Series kernel/module: disable cfi for do_mod_ctors | expand

Commit Message

Joey Jiao May 6, 2024, 6:27 a.m. UTC
CFI failure when both CONFIG_CONSTRUCTORS and CFI_CLANG enabled.

CFI failure at do_init_module+0x100/0x384 (target:
tsan.module_ctor+0x0/0xa98 [module_name_xx]; expected type: 0xa540670c)

Disable cfi for do_mod_ctors to avoid cfi check on mod->ctors[i]().

Signed-off-by: Joey Jiao <quic_jiangenj@quicinc.com>
---
 kernel/module/main.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/kernel/module/main.c b/kernel/module/main.c
index e1e8a7a9d6c1..d51e63795637 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -2453,6 +2453,7 @@  static int post_relocation(struct module *mod, const struct load_info *info)
 }
 
 /* Call module constructors. */
+__nocfi
 static void do_mod_ctors(struct module *mod)
 {
 #ifdef CONFIG_CONSTRUCTORS