diff options
Diffstat (limited to 'src/afl-sharedmem.c')
| -rw-r--r-- | src/afl-sharedmem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/afl-sharedmem.c b/src/afl-sharedmem.c index 7fb8f821..c1d4ff03 100644 --- a/src/afl-sharedmem.c +++ b/src/afl-sharedmem.c @@ -242,8 +242,11 @@ u8 *afl_shm_init(sharedmem_t *shm, size_t map_size, #else u8 *shm_str; + // for qemu+unicorn we have to increase by 8 to account for potential + // compcov map overwrite shm->shm_id = - shmget(IPC_PRIVATE, map_size, IPC_CREAT | IPC_EXCL | DEFAULT_PERMISSION); + shmget(IPC_PRIVATE, map_size == MAP_SIZE ? map_size + 8 : map_size, + IPC_CREAT | IPC_EXCL | DEFAULT_PERMISSION); if (shm->shm_id < 0) { PFATAL("shmget() failed, try running afl-system-config"); |