// https://syzkaller.appspot.com/bug?id=0a885a86c3f396f8fb35dadea0d48618bf9eb4c4 // 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, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // mq_open arguments: [ // name: ptr[in, buffer] { // buffer: {26 00} (length 0x2) // } // flags: mq_open_flags = 0x40 (8 bytes) // mode: open_mode = 0x100 (8 bytes) // attr: nil // ] // returns fd_mq memcpy((void*)0x200000000100, "&\000", 2); syscall(__NR_mq_open, /*name=*/0x200000000100ul, /*flags=O_CREAT*/ 0x40ul, /*mode=S_IRUSR*/ 0x100ul, /*attr=*/0ul); // mq_open arguments: [ // name: ptr[in, buffer] { // buffer: {26 00} (length 0x2) // } // flags: mq_open_flags = 0x40 (8 bytes) // mode: open_mode = 0x100 (8 bytes) // attr: nil // ] // returns fd_mq memcpy((void*)0x200000000100, "&\000", 2); syscall(__NR_mq_open, /*name=*/0x200000000100ul, /*flags=O_CREAT*/ 0x40ul, /*mode=S_IRUSR*/ 0x100ul, /*attr=*/0ul); return 0; }