The exception handler longjmp should happen in the code segment of the exception handler rather than in the code segment of the exception (particularly when the exception occurs in compatibility mode). Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx> --- lib/x86/desc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/x86/desc.c b/lib/x86/desc.c index 830c5d127dbc..fc6a67eb0a19 100644 --- a/lib/x86/desc.c +++ b/lib/x86/desc.c @@ -388,6 +388,7 @@ static void exception_handler(struct ex_regs *regs) /* longjmp must happen after iret, so do not do it now. */ exception = true; regs->rip = (unsigned long)&exception_handler_longjmp; + regs->cs = read_cs(); } bool test_for_exception(unsigned int ex, void (*trigger_func)(void *data), -- 2.13.2.725.g09c95d1e9-goog
