From: Tiwei Bie <[email protected]> commit 9b5e6c0f5a9199c69af81ac5bedc512ee7dc20b3 upstream
The ubd io thread is not really a traditional thread. Set the parent-death signal for it to ensure that it will be killed if the UML kernel dies unexpectedly without proper cleanup. Signed-off-by: Tiwei Bie <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Florian Fainelli <[email protected]> --- arch/um/drivers/ubd_kern.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 2bfb17373244..66c1a8835e36 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1501,6 +1501,7 @@ int io_thread(void *arg) { int n, count, written, res; + os_set_pdeathsig(); os_fix_helper_signals(); while(1){ -- 2.34.1
