Le 07/03/2018 à 18:45, Max Filippov a écrit :
> On Wed, Mar 7, 2018 at 2:08 AM, Laurent Vivier wrote:
>>> +static inline int guest_range_valid(unsigned long start, unsigned long len)
>>> +{
>>> +if (len)
>>> +return guest_addr_valid(len - 1) && start <= GUEST_ADDR_MAX - len
>>> + 1;
>
On Wed, Mar 7, 2018 at 2:08 AM, Laurent Vivier wrote:
>> +static inline int guest_range_valid(unsigned long start, unsigned long len)
>> +{
>> +if (len)
>> +return guest_addr_valid(len - 1) && start <= GUEST_ADDR_MAX - len +
>> 1;
>> +else
>> +return guest_addr_valid(start
Le 07/03/2018 à 07:36, Max Filippov a écrit :
> In linux-user QEMU that runs for a target with TARGET_ABI_BITS bigger
> than L1_MAP_ADDR_SPACE_BITS an assertion in page_set_flags fires when
> mmap, munmap, mprotect, mremap or shmat is called for an address outside
> the guest address space. mmap an
In linux-user QEMU that runs for a target with TARGET_ABI_BITS bigger
than L1_MAP_ADDR_SPACE_BITS an assertion in page_set_flags fires when
mmap, munmap, mprotect, mremap or shmat is called for an address outside
the guest address space. mmap and mprotect should return ENOMEM in such
case.
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