// https://syzkaller.appspot.com/bug?id=207ec6688c2011bb8b9c187b4ecceeed312ec563 // 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=*/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; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // openat$auto_kernfs_file_fops_kernfs_internal arguments: [ // fd: const = 0xffffffffffffff9c (8 bytes) // file: ptr[in, buffer] { // buffer: {2f 73 79 73 2f 64 65 76 69 63 65 73 2f 70 6c 61 74 66 6f 72 // 6d 2f 76 68 63 69 5f 68 63 64 2e 30 2f 73 74 61 74 75 73 2e 31 35 00} // (length 0x2b) // } // flags: open_flags = 0x40000 (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd_kernfs_file_fops_kernfs_internal memcpy((void*)0x200000000080, "/sys/devices/platform/vhci_hcd.0/status.15\000", 43); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000080ul, /*flags=O_NOATIME*/ 0x40000, /*mode=*/0); if (res != -1) r[0] = res; // read$auto arguments: [ // fd: fd (resource) // buf: nil // count: intptr = 0x9 (8 bytes) // ] syscall(__NR_read, /*fd=*/r[0], /*buf=*/0ul, /*count=*/9ul); return 0; }