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The members "start" and "end" of struct resource are of type "resource_size_t" which can be 32bit wide. Values read from OF however are always 64bit wide. Avoid silently truncating the value and instead return an error value. This can happen on real systems when the DT was created for a PAE-enabled kernel and a non-PAE kernel is actually running. For example with an arm defconfig and "qemu-system-arm -M virt". Link: https://bugs.launchpad.net/qemu/+bug/1790975 Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Tested-by: Nam Cao <namcao@linutronix.de> Reviewed-by: Nam Cao <namcao@linutronix.de> Link: https://lore.kernel.org/r/20240905-of-resource-overflow-v1-1-0cd8bb92cc1f@linutronix.de Cc: stable@vger.kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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| .. | ||
| unittest-data | ||
| .kunitconfig | ||
| address.c | ||
| base.c | ||
| cpu.c | ||
| device.c | ||
| dynamic.c | ||
| empty_root.dts | ||
| fdt_address.c | ||
| fdt.c | ||
| irq.c | ||
| Kconfig | ||
| kexec.c | ||
| kobj.c | ||
| Makefile | ||
| module.c | ||
| of_numa.c | ||
| of_private.h | ||
| of_reserved_mem.c | ||
| of_test.c | ||
| overlay.c | ||
| pdt.c | ||
| platform.c | ||
| property.c | ||
| resolver.c | ||
| unittest.c | ||