diff options
| -rw-r--r-- | accel/tcg/user-exec.c | 3 | ||||
| -rw-r--r-- | include/exec/cpu_ldst.h | 4 | ||||
| -rw-r--r-- | linux-user/mmap.c | 14 | ||||
| -rw-r--r-- | linux-user/qemu.h | 4 | ||||
| -rw-r--r-- | linux-user/syscall.c | 2 |
5 files changed, 14 insertions, 13 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index fa1847b..0d8cc27 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -213,7 +213,8 @@ static int probe_access_internal(CPUArchState *env, target_ulong addr, g_assert_not_reached(); } - if (!guest_addr_valid(addr) || page_check_range(addr, 1, flags) < 0) { + if (!guest_addr_valid_untagged(addr) || + page_check_range(addr, 1, flags) < 0) { if (nonfault) { return TLB_INVALID_MASK; } else { diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h index c54069e..ce6ce82 100644 --- a/include/exec/cpu_ldst.h +++ b/include/exec/cpu_ldst.h @@ -87,12 +87,12 @@ static inline void *g2h(CPUState *cs, abi_ptr x) return g2h_untagged(cpu_untagged_addr(cs, x)); } -static inline bool guest_addr_valid(abi_ulong x) +static inline bool guest_addr_valid_untagged(abi_ulong x) { return x <= GUEST_ADDR_MAX; } -static inline bool guest_range_valid(abi_ulong start, abi_ulong len) +static inline bool guest_range_valid_untagged(abi_ulong start, abi_ulong len) { return len - 1 <= GUEST_ADDR_MAX && start <= GUEST_ADDR_MAX - len + 1; } diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 6decfec..9fe0c63 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -119,7 +119,7 @@ int target_mprotect(abi_ulong start, abi_ulong len, int target_prot) } len = TARGET_PAGE_ALIGN(len); end = start + len; - if (!guest_range_valid(start, len)) { + if (!guest_range_valid_untagged(start, len)) { return -TARGET_ENOMEM; } if (len == 0) { @@ -528,7 +528,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int target_prot, * It can fail only on 64-bit host with 32-bit target. * On any other target/host host mmap() handles this error correctly. */ - if (end < start || !guest_range_valid(start, len)) { + if (end < start || !guest_range_valid_untagged(start, len)) { errno = ENOMEM; goto fail; } @@ -669,7 +669,7 @@ int target_munmap(abi_ulong start, abi_ulong len) if (start & ~TARGET_PAGE_MASK) return -TARGET_EINVAL; len = TARGET_PAGE_ALIGN(len); - if (len == 0 || !guest_range_valid(start, len)) { + if (len == 0 || !guest_range_valid_untagged(start, len)) { return -TARGET_EINVAL; } @@ -727,11 +727,11 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, int prot; void *host_addr; - if (!guest_range_valid(old_addr, old_size) || + if (!guest_range_valid_untagged(old_addr, old_size) || ((flags & MREMAP_FIXED) && - !guest_range_valid(new_addr, new_size)) || + !guest_range_valid_untagged(new_addr, new_size)) || ((flags & MREMAP_MAYMOVE) == 0 && - !guest_range_valid(old_addr, new_size))) { + !guest_range_valid_untagged(old_addr, new_size))) { errno = ENOMEM; return -1; } @@ -779,7 +779,7 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, if (host_addr != MAP_FAILED) { /* Check if address fits target address space */ - if (!guest_range_valid(h2g(host_addr), new_size)) { + if (!guest_range_valid_untagged(h2g(host_addr), new_size)) { /* Revert mremap() changes */ host_addr = mremap(g2h_untagged(old_addr), new_size, old_size, flags); diff --git a/linux-user/qemu.h b/linux-user/qemu.h index ba122a7..b3ccffb 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -494,8 +494,8 @@ extern unsigned long guest_stack_size; static inline bool access_ok(int type, abi_ulong addr, abi_ulong size) { if (size == 0 - ? !guest_addr_valid(addr) - : !guest_range_valid(addr, size)) { + ? !guest_addr_valid_untagged(addr) + : !guest_range_valid_untagged(addr, size)) { return false; } return page_check_range((target_ulong)addr, size, type) == 0; diff --git a/linux-user/syscall.c b/linux-user/syscall.c index d5badd7..53529e4 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -4619,7 +4619,7 @@ static inline abi_ulong do_shmat(CPUArchState *cpu_env, return -TARGET_EINVAL; } } - if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { + if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) { return -TARGET_EINVAL; } |