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Fix cmplog shared memory size when USEMMAP=1

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This commit is contained in:
Andrea Fioraldi
2024-06-05 19:33:02 +02:00
parent 12a87cfacb
commit e8d098335b
1 changed files with 3 additions and 3 deletions
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6
src/afl-sharedmem.c
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@ -239,15 +239,15 @@ u8 *afl_shm_init(sharedmem_t *shm, size_t map_size,
if (shm->cmplog_g_shm_fd == -1) { PFATAL("shm_open() failed"); } if (shm->cmplog_g_shm_fd == -1) { PFATAL("shm_open() failed"); }
/* configure the size of the shared memory segment */ /* configure the size of the shared memory segment */
if (ftruncate(shm->cmplog_g_shm_fd, map_size)) { if (ftruncate(shm->cmplog_g_shm_fd, sizeof(struct cmp_map))) {
PFATAL("setup_shm(): cmplog ftruncate() failed"); PFATAL("setup_shm(): cmplog ftruncate() failed");
} }
/* map the shared memory segment to the address space of the process */ /* map the shared memory segment to the address space of the process */
shm->cmp_map = mmap(0, map_size, PROT_READ | PROT_WRITE, MAP_SHARED, shm->cmp_map = mmap(0, sizeof(struct cmp_map), PROT_READ | PROT_WRITE,
shm->cmplog_g_shm_fd, 0); MAP_SHARED, shm->cmplog_g_shm_fd, 0);
if (shm->cmp_map == MAP_FAILED) { if (shm->cmp_map == MAP_FAILED) {
close(shm->cmplog_g_shm_fd); close(shm->cmplog_g_shm_fd);