| Message ID | 20180123132051.24448-1-f4bug@amsat.org |
|---|---|
| State | New |
| Headers | show |
| Series | sdhci: fix a NULL pointer dereference due to uninitialized AddresSpace object | expand |
On 23 January 2018 at 13:20, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote: > missed in 60765b6ceeb4. > > Thread 1 "qemu-system-aarch64" received signal SIGSEGV, Segmentation fault. > address_space_init (as=0x0, root=0x55555726e410, name=name@entry=0x555555e3f0a7 "sdhci-dma") at memory.c:3050 > 3050 as->root = root; > (gdb) bt > #0 address_space_init (as=0x0, root=0x55555726e410, name=name@entry=0x555555e3f0a7 "sdhci-dma") at memory.c:3050 > #1 0x0000555555af62c3 in sdhci_sysbus_realize (dev=<optimized out>, errp=0x7fff7f931150) at hw/sd/sdhci.c:1564 > #2 0x00005555558b25e5 in zynqmp_sdhci_realize (dev=0x555557051520, errp=0x7fff7f931150) at hw/sd/zynqmp-sdhci.c:151 > #3 0x0000555555a2e7f3 in device_set_realized (obj=0x555557051520, value=<optimized out>, errp=0x7fff7f931270) at hw/core/qdev.c:966 > #4 0x0000555555ba3f74 in property_set_bool (obj=0x555557051520, v=<optimized out>, name=<optimized out>, opaque=0x555556e04a20, > errp=0x7fff7f931270) at qom/object.c:1906 > #5 0x0000555555ba51f4 in object_property_set (obj=obj@entry=0x555557051520, v=v@entry=0x5555576dbd60, > name=name@entry=0x555555dd6306 "realized", errp=errp@entry=0x7fff7f931270) at qom/object.c:1102 > > Suggested-by: Peter Maydell <peter.maydell@linaro.org> > Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Applied to target-arm.next, thanks. -- PMM
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h index cb37182536..1cf70f8c23 100644 --- a/include/hw/sd/sdhci.h +++ b/include/hw/sd/sdhci.h @@ -41,6 +41,7 @@ typedef struct SDHCIState { /*< public >*/ SDBus sdbus; MemoryRegion iomem; + AddressSpace sysbus_dma_as; AddressSpace *dma_as; MemoryRegion *dma_mr; diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index f9264d3be5..fac7fa5c72 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1388,6 +1388,7 @@ static void sdhci_sysbus_realize(DeviceState *dev, Error ** errp) } if (s->dma_mr) { + s->dma_as = &s->sysbus_dma_as; address_space_init(s->dma_as, s->dma_mr, "sdhci-dma"); } else { /* use system_memory() if property "dma" not set */
missed in 60765b6ceeb4. Thread 1 "qemu-system-aarch64" received signal SIGSEGV, Segmentation fault. address_space_init (as=0x0, root=0x55555726e410, name=name@entry=0x555555e3f0a7 "sdhci-dma") at memory.c:3050 3050 as->root = root; (gdb) bt #0 address_space_init (as=0x0, root=0x55555726e410, name=name@entry=0x555555e3f0a7 "sdhci-dma") at memory.c:3050 #1 0x0000555555af62c3 in sdhci_sysbus_realize (dev=<optimized out>, errp=0x7fff7f931150) at hw/sd/sdhci.c:1564 #2 0x00005555558b25e5 in zynqmp_sdhci_realize (dev=0x555557051520, errp=0x7fff7f931150) at hw/sd/zynqmp-sdhci.c:151 #3 0x0000555555a2e7f3 in device_set_realized (obj=0x555557051520, value=<optimized out>, errp=0x7fff7f931270) at hw/core/qdev.c:966 #4 0x0000555555ba3f74 in property_set_bool (obj=0x555557051520, v=<optimized out>, name=<optimized out>, opaque=0x555556e04a20, errp=0x7fff7f931270) at qom/object.c:1906 #5 0x0000555555ba51f4 in object_property_set (obj=obj@entry=0x555557051520, v=v@entry=0x5555576dbd60, name=name@entry=0x555555dd6306 "realized", errp=errp@entry=0x7fff7f931270) at qom/object.c:1102 Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- include/hw/sd/sdhci.h | 1 + hw/sd/sdhci.c | 1 + 2 files changed, 2 insertions(+)