diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-03-06 02:03:13 +0300 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-03-28 15:23:10 -0700 |
| commit | 10310cbd6298def2dafd40069e27df2d25e233c5 (patch) | |
| tree | caab505242fa5768298a5b4aaa2e0424c7af8b0a /linux-user/mmap.c | |
| parent | 49840a4a098149067789255bca6894645f411036 (diff) | |
accel/tcg: Pass last not end to page_reset_target_data
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/mmap.c')
| -rw-r--r-- | linux-user/mmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 1d07ff5d2c..995146f60d 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -946,7 +946,7 @@ abi_long target_madvise(abi_ulong start, abi_ulong len_in, int advice) if (can_passthrough_madvise(start, end)) { ret = get_errno(madvise(g2h_untagged(start), len, advice)); if ((advice == MADV_DONTNEED) && (ret == 0)) { - page_reset_target_data(start, start + len); + page_reset_target_data(start, start + len - 1); } } } |