// https://syzkaller.appspot.com/bug?id=9253638353fa73b900167c64495455f5327644bd // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); memcpy((void*)0x20000240, "./file1\000", 8); syscall(__NR_mkdir, 0x20000240ul, 0ul); memcpy((void*)0x20000040, "./bus\000", 6); syscall(__NR_mkdir, 0x20000040ul, 0ul); memcpy((void*)0x200000c0, "./bus/file1\000", 12); syscall(__NR_creat, 0x200000c0ul, 0ul); memcpy((void*)0x20000080, "./file0\000", 8); syscall(__NR_mkdir, 0x20000080ul, 0ul); memcpy((void*)0x20000000, "./bus\000", 6); memcpy((void*)0x20000100, "overlay\000", 8); memcpy((void*)0x200003c0, "upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on", 59); syscall(__NR_mount, 0x400002ul, 0x20000000ul, 0x20000100ul, 0ul, 0x200003c0ul); memcpy((void*)0x20000140, "./bus/file1\000", 12); syscall(__NR_open, 0x20000140ul, 3ul, 0ul); return 0; }