From 742f07628c0a0bd847b47ee0a0b20c44531e0ba5 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 4 Oct 2021 19:39:29 -0700 Subject: [PATCH] linux-user: Handle BUS_ADRALN in host_signal_handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Handle BUS_ADRALN via cpu_loop_exit_sigbus, but allow other SIGBUS si_codes to continue into the host-to-guest signal conversion code. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- linux-user/signal.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-user/signal.c b/linux-user/signal.c index df2c8678d0..81c45bfce9 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -860,6 +860,9 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc) cpu_loop_exit_sigsegv(cpu, guest_addr, access_type, maperr, pc); } else { sigprocmask(SIG_SETMASK, &uc->uc_sigmask, NULL); + if (info->si_code == BUS_ADRALN) { + cpu_loop_exit_sigbus(cpu, guest_addr, access_type, pc); + } } sync_sig = true;