From 031e4300a581e196961cdc49836c284f23313635 Mon Sep 17 00:00:00 2001 From: van Hauser Date: Wed, 3 Jun 2020 16:19:09 +0200 Subject: switch order of shmem fuzz --- llvm_mode/afl-llvm-rt.o.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'llvm_mode/afl-llvm-rt.o.c') diff --git a/llvm_mode/afl-llvm-rt.o.c b/llvm_mode/afl-llvm-rt.o.c index 963de6e6..c6b49e36 100644 --- a/llvm_mode/afl-llvm-rt.o.c +++ b/llvm_mode/afl-llvm-rt.o.c @@ -138,18 +138,19 @@ static void __afl_map_shm_fuzz() { } - __afl_fuzz_ptr = mmap(0, MAX_FILE, PROT_READ, MAP_SHARED, shm_fd, 0); + __afl_fuzz_len_shmem = + (u32 *)mmap(0, MAX_FILE, PROT_READ, MAP_SHARED, shm_fd, 0); #else u32 shm_id = atoi(id_str); - __afl_fuzz_ptr = shmat(shm_id, NULL, 0); + __afl_fuzz_len_shmem = (u32 *)shmat(shm_id, NULL, 0); #endif /* Whooooops. */ - if (__afl_fuzz_ptr == (void *)-1) { + if (__afl_fuzz_len_shmem == (void *)-1) { fprintf(stderr, "Error: could not access fuzzing shared memory\n"); exit(1); @@ -166,7 +167,7 @@ static void __afl_map_shm_fuzz() { } - __afl_fuzz_len_shmem = (u32 *)(__afl_fuzz_ptr + MAX_FILE); + __afl_fuzz_ptr = (u8 *)(__afl_fuzz_len_shmem + sizeof(int)); } -- cgit 1.4.1