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| author | Zeex <zeex@rocketmail.com> | 2020-11-02 03:18:01 +0600 |
|---|---|---|
| committer | Zeex <zeex@rocketmail.com> | 2020-11-02 03:19:54 +0600 |
| commit | 314603bc42120c0c40571eaaa9c8f022992c70a6 (patch) | |
| tree | c8d60604e78b31671c9267e2a09ab50068136b7f /subhook_private.h | |
| parent | 9cc118d25ea4775c03a62860aaa604fea56de0c6 (diff) | |
| download | subhook-314603bc42120c0c40571eaaa9c8f022992c70a6.zip subhook-314603bc42120c0c40571eaaa9c8f022992c70a6.tar.gz subhook-314603bc42120c0c40571eaaa9c8f022992c70a6.tar.bz2 | |
Fix address overflow in trampoline
Allocate memory for storing the trampoline code via mmap() with MAP_32BIT flag
to make sure that it stays withing 2GB range.
Also, add missing calls to subhook_free() in the C test program (C++ calls it
implicitly already via destructor).
Diffstat (limited to 'subhook_private.h')
| -rw-r--r-- | subhook_private.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/subhook_private.h b/subhook_private.h index 9d54781..16ad8fd 100644 --- a/subhook_private.h +++ b/subhook_private.h @@ -48,6 +48,8 @@ struct subhook_struct { size_t trampoline_len; }; -void *subhook_unprotect(void *address, size_t size); +int subhook_unprotect(void *address, size_t size); +void *subhook_alloc_code(size_t size); +int subhok_free_code(void *address, size_t size); #endif /* SUBHOOK_PRIVATE_H */ |