From db2e04361da8f40a7ee99fef1c2a2ed8f08b0501 Mon Sep 17 00:00:00 2001 From: van Hauser Date: Fri, 12 Jun 2020 11:57:54 +0200 Subject: shm debug and fixes --- llvm_mode/afl-llvm-rt.o.c | 4 ++-- 1 file changed, 2 insertions(+), 2 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 702384a3..80ffc19f 100644 --- a/llvm_mode/afl-llvm-rt.o.c +++ b/llvm_mode/afl-llvm-rt.o.c @@ -139,7 +139,7 @@ static void __afl_map_shm_fuzz() { } - map = (u8 *)mmap(0, MAX_FILE, PROT_READ, MAP_SHARED, shm_fd, 0); + map = (u8 *)mmap(0, MAX_FILE + sizeof(u32), PROT_READ, MAP_SHARED, shm_fd, 0); #else u32 shm_id = atoi(id_str); @@ -157,7 +157,7 @@ static void __afl_map_shm_fuzz() { } __afl_fuzz_len = (u32 *)map; - __afl_fuzz_ptr = (u8 *)(map + sizeof(u32)); + __afl_fuzz_ptr = map + sizeof(u32); if (getenv("AFL_DEBUG")) { -- cgit 1.4.1