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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-03-27 20:31:01 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-03-28 15:23:10 -0700 |
| commit | a3a67f54f0b4ec98ff2380a792e5bfeebc47d554 (patch) | |
| tree | 30fa3eb80bf614fe57a299287168aa13c15a4e15 /linux-user/flatload.c | |
| parent | e506ad6a05c806bbef460a7d014a184ff8d707a6 (diff) | |
linux-user: Pass last not end to probe_guest_base
Pass the address of the last byte of the image, 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/flatload.c')
| -rw-r--r-- | linux-user/flatload.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-user/flatload.c b/linux-user/flatload.c index e99570ca18..5efec2630e 100644 --- a/linux-user/flatload.c +++ b/linux-user/flatload.c @@ -448,7 +448,7 @@ static int load_flat_file(struct linux_binprm * bprm, * Allocate the address space. */ probe_guest_base(bprm->filename, 0, - text_len + data_len + extra + indx_len); + text_len + data_len + extra + indx_len - 1); /* * there are a couple of cases here, the separate code/data |