From 14bfca0dec5dda34844d638ed2e5a78d04f196d1 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Tue, 3 Sep 2024 17:22:18 +0100 Subject: [PATCH] hw/misc/xlnx-versal-trng: Call register_finalize_block The TYPE_XLNX_VERSAL_TRNG device creates a register block with register_init_block32() in its instance_init method; we must therefore destroy it in our instance_finalize method to avoid a leak in the QOM introspection "init-inspect-finalize" lifecycle: Direct leak of 304 byte(s) in 1 object(s) allocated from: #0 0x55842ec799d8 in __interceptor_calloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/qemu-system-aarch64+0x294e9d8) (BuildId: 47496e53f3e779f1c7e9b82cbea07407152b498b) #1 0x7fe793c75c50 in g_malloc0 debian/build/deb/../../../glib/gmem.c:161:13 #2 0x55842f0aec5d in register_init_block hw/core/register.c:248:34 #3 0x55842f0af6be in register_init_block32 hw/core/register.c:299:12 #4 0x55842f801588 in trng_init hw/misc/xlnx-versal-trng.c:614:9 #5 0x558431c411a1 in object_init_with_type qom/object.c:420:9 #6 0x558431c2847b in object_initialize_with_type qom/object.c:562:5 #7 0x558431c29d1d in object_new_with_type qom/object.c:782:5 #8 0x558431c29df1 in object_new qom/object.c:797:12 #9 0x558432427c1d in qmp_device_list_properties qom/qom-qmp-cmds.c:144:11 Signed-off-by: Peter Maydell Reviewed-by: Edgar E. Iglesias Reviewed-by: Francisco Iglesias Reviewed-by: Alistair Francis Message-id: 20240822162127.705879-6-peter.maydell@linaro.org --- hw/misc/xlnx-versal-trng.c | 6 +++--- include/hw/misc/xlnx-versal-trng.h | 1 + 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/hw/misc/xlnx-versal-trng.c b/hw/misc/xlnx-versal-trng.c index c0d1dde8708..86905479b8f 100644 --- a/hw/misc/xlnx-versal-trng.c +++ b/hw/misc/xlnx-versal-trng.c @@ -608,9 +608,8 @@ static void trng_init(Object *obj) { XlnxVersalTRng *s = XLNX_VERSAL_TRNG(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj); - RegisterInfoArray *reg_array; - reg_array = + s->reg_array = register_init_block32(DEVICE(obj), trng_regs_info, ARRAY_SIZE(trng_regs_info), s->regs_info, s->regs, @@ -618,7 +617,7 @@ static void trng_init(Object *obj) XLNX_VERSAL_TRNG_ERR_DEBUG, R_MAX * 4); - sysbus_init_mmio(sbd, ®_array->mem); + sysbus_init_mmio(sbd, &s->reg_array->mem); sysbus_init_irq(sbd, &s->irq); s->prng = g_rand_new(); @@ -628,6 +627,7 @@ static void trng_finalize(Object *obj) { XlnxVersalTRng *s = XLNX_VERSAL_TRNG(obj); + register_finalize_block(s->reg_array); g_rand_free(s->prng); s->prng = NULL; } diff --git a/include/hw/misc/xlnx-versal-trng.h b/include/hw/misc/xlnx-versal-trng.h index 0bcef8a6132..d96f8f9eff3 100644 --- a/include/hw/misc/xlnx-versal-trng.h +++ b/include/hw/misc/xlnx-versal-trng.h @@ -50,6 +50,7 @@ typedef struct XlnxVersalTRng { uint64_t forced_prng_count; uint64_t tst_seed[2]; + RegisterInfoArray *reg_array; uint32_t regs[RMAX_XLNX_VERSAL_TRNG]; RegisterInfo regs_info[RMAX_XLNX_VERSAL_TRNG]; } XlnxVersalTRng;