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| 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 | |
| parent | 49840a4a098149067789255bca6894645f411036 (diff) | |
| download | qemu-10310cbd6298def2dafd40069e27df2d25e233c5.zip qemu-10310cbd6298def2dafd40069e27df2d25e233c5.tar.gz qemu-10310cbd6298def2dafd40069e27df2d25e233c5.tar.bz2 | |
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')
| -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 1d07ff5..995146f 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); } } } |