// https://syzkaller.appspot.com/bug?id=d0d8879a66b36bd60a0d815b7755e558a9afc82f // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; memcpy((void*)0x20000c40, "/dev/sequencer\000", 15); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000c40ul, /*flags=O_NONBLOCK|O_EXCL|O_RDWR*/ 0x882ul, /*mode=*/0ul); if (res != -1) r[0] = res; *(uint8_t*)0x20000c80 = 0; *(uint8_t*)0x20000c81 = 0x93; *(uint8_t*)0x20000c82 = 0; *(uint8_t*)0x20000c83 = 0; *(uint8_t*)0x20000c84 = 0; *(uint8_t*)0x20000c85 = 0; *(uint8_t*)0x20000c86 = 0; *(uint16_t*)0x20000c87 = 0x577; *(uint8_t*)0x20000c89 = -1; *(uint8_t*)0x20000c8a = 0; *(uint8_t*)0x20000c8b = 0; *(uint8_t*)0x20000c8c = 0; *(uint8_t*)0x20000c8d = 0; *(uint8_t*)0x20000c8e = 0; *(uint8_t*)0x20000c8f = 0; *(uint8_t*)0x20000c90 = 0; syscall(__NR_write, /*fd=*/r[0], /*buffer=*/0x20000c80ul, /*count=*/0x11ul); return 0; }