Depending on the phase of the moon, this seems to be causing CI failures on FreeBSD. Fortunately, valgrind catches it too, and in a fully deterministic way:
==210026== Invalid write of size 4 ==210026== at 0x5222F3: stm32l4x5_lpuart_class_init (stm32l4x5_usart.c:611) ==210026== by 0xA499E1: object_class_foreach_tramp (object.c:1132) ==210026== by 0x5A60BEA: g_hash_table_foreach (ghash.c:2117) ==210026== by 0xA4A190: object_class_foreach (object.c:1154) ==210026== by 0xA4A190: object_class_get_list (object.c:1211) ==210026== by 0x7A5777: select_machine (vl.c:1664) ==210026== by 0x7A5777: qemu_create_machine (vl.c:2104) ==210026== by 0x7A5777: qemu_init (vl.c:3667) ==210026== by 0x47E528: main (main.c:47) ==210026== Address 0xe131340 is 0 bytes after a block of size 192 alloc'd ==210026== at 0x4849E60: calloc (vg_replace_malloc.c:1595) ==210026== by 0x5A79F71: g_malloc0 (gmem.c:133) ==210026== by 0xA48E9B: type_initialize (object.c:361) ==210026== by 0xA48E9B: type_initialize (object.c:336) ==210026== by 0xA499E1: object_class_foreach_tramp (object.c:1132) ==210026== by 0x5A60BEA: g_hash_table_foreach (ghash.c:2117) ==210026== by 0xA4A190: object_class_foreach (object.c:1154) ==210026== by 0xA4A190: object_class_get_list (object.c:1211) ==210026== by 0x7A5777: select_machine (vl.c:1664) ==210026== by 0x7A5777: qemu_create_machine (vl.c:2104) ==210026== by 0x7A5777: qemu_init (vl.c:3667) ==210026== by 0x47E528: main (main.c:47) Cc: Arnaud Minier <arnaud.min...@telecom-paris.fr> Cc: Inès Varhol <ines.var...@telecom-paris.fr> Cc: Peter Maydell <peter.mayd...@linaro.org> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> --- hw/char/stm32l4x5_usart.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/char/stm32l4x5_usart.c b/hw/char/stm32l4x5_usart.c index 2627aab8324..8dbcc7e19e7 100644 --- a/hw/char/stm32l4x5_usart.c +++ b/hw/char/stm32l4x5_usart.c @@ -615,6 +615,7 @@ static const TypeInfo stm32l4x5_usart_types[] = { { .name = TYPE_STM32L4X5_USART_BASE, .parent = TYPE_SYS_BUS_DEVICE, + .class_size = sizeof(Stm32l4x5UsartBaseClass), .instance_size = sizeof(Stm32l4x5UsartBaseState), .instance_init = stm32l4x5_usart_base_init, .class_init = stm32l4x5_usart_base_class_init, -- 2.44.0