// https://syzkaller.appspot.com/bug?id=8e030beda49b8e549cfeb17ed369414ed27331e6 // 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)) { } syscall(__NR_mmap, /*addr=*/0ul, /*len=*/0x20009ul, /*prot=*/0x4000000000dful, /*flags=*/0xeb1ul, /*fd=*/0x401, /*off=*/0x8000ul); syscall(__NR_madvise, /*start=*/0ul, /*len_in=*/0x8000000000000000ul, /*behavior=*/0x15); memcpy((void*)0x200000000040, "/proc/self/maps\000", 16); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000040ul, /*flags=O_SYNC|O_NOFOLLOW|O_CLOEXEC*/ 0x1a1000, /*mode=*/0); if (res != -1) r[0] = res; *(uint64_t*)0x200000000080 = 0x67; *(uint64_t*)0x200000000088 = 0; *(uint64_t*)0x200000000090 = 0x7fff; *(uint64_t*)0x200000000098 = 5; *(uint64_t*)0x2000000000a0 = 0x80000000007; *(uint64_t*)0x2000000000a8 = 1; *(uint64_t*)0x2000000000b0 = 0x80000001; *(uint64_t*)0x2000000000b8 = 0xff; *(uint64_t*)0x2000000000c0 = 5; *(uint32_t*)0x2000000000c8 = 7; *(uint32_t*)0x2000000000cc = 0xfbfffffe; *(uint32_t*)0x2000000000d0 = 5; *(uint32_t*)0x2000000000d4 = 0x7fb; *(uint64_t*)0x2000000000d8 = 7; *(uint64_t*)0x2000000000e0 = 9; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc0686611, /*arg=*/0x200000000080ul); return 0; }