Git-Mirrors/hardened_malloc
1
0
Fork 0
mirror of https://github.com/GrapheneOS/hardened_malloc.git synced 2024-12-12 01:14:30 -05:00
Code Issues Packages Projects Releases Wiki Activity

add inlined check for -1 with pkey_set

Browse Source
This commit is contained in:
Daniel Micay 2018-10-23 07:40:14 -04:00
parent 05ac717cf2
commit 59def67979
1 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
malloc.c
View File

@ -94,15 +94,24 @@ int get_metadata_key(void) {
#endif #endif
} }
#ifdef USE_PKEY
static inline void thread_set_metadata_access(unsigned access) {
if (ro.metadata_pkey == -1) {
return;
}
pkey_set(ro.metadata_pkey, access);
}
#endif
static inline void thread_unseal_metadata(void) { static inline void thread_unseal_metadata(void) {
#ifdef USE_PKEY #ifdef USE_PKEY
pkey_set(ro.metadata_pkey, 0); thread_set_metadata_access(0);
#endif #endif
} }
static inline void thread_seal_metadata(void) { static inline void thread_seal_metadata(void) {
#ifdef USE_PKEY #ifdef USE_PKEY
pkey_set(ro.metadata_pkey, PKEY_DISABLE_ACCESS); thread_set_metadata_access(PKEY_DISABLE_ACCESS);
#endif #endif
} }