// 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: {24 40 00} (length 0x3) // } // flags: mq_open_flags = 0x370e082a94541ad5 (8 bytes) // mode: open_mode = 0xb4 (8 bytes) // attr: nil // ] // returns fd_mq memcpy((void*)0x200000000080, "$@\000", 3); syscall(__NR_mq_open, /*name=*/0x200000000080ul, /*flags=O_CREAT|O_EXCL|O_NONBLOCK|O_WRONLY|0x370e082a94541214*/ 0x370e082a94541ad5ul, /*mode=S_IROTH|S_IWGRP|S_IRGRP|S_IWUSR*/ 0xb4ul, /*attr=*/0ul); // mq_unlink arguments: [ // name: ptr[in, buffer] { // buffer: {24 40 00} (length 0x3) // } // ] memcpy((void*)0x200000000000, "$@\000", 3); syscall(__NR_mq_unlink, /*name=*/0x200000000000ul); return 0; }