exc_alignment_check() fails to disable interrupts before returning to the
entry code.
Fixes: ca4c6a9858c2 ("x86/traps: Make interrupt enable/disable symmetric in C
code")
Reported-by: [email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
---
arch/x86/kernel/traps.c | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -303,6 +303,8 @@ DEFINE_IDTENTRY_ERRORCODE(exc_alignment_
do_trap(X86_TRAP_AC, SIGBUS, "alignment check", regs,
error_code, BUS_ADRALN, NULL);
+
+ local_irq_disable();
}
#ifdef CONFIG_VMAP_STACK
