// https://syzkaller.appspot.com/bug?id=f3b6b931ce5ba0afef8e3dd0c3b905f3d4b0da7d // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0x0}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; memcpy((void*)0x20000000, "keyring\000", 8); memcpy((void*)0x20000840, "syz", 3); *(uint8_t*)0x20000843 = 0x21; *(uint8_t*)0x20000844 = 0; res = syscall(__NR_add_key, /*type=*/0x20000000ul, /*desc=*/0x20000840ul, /*payload=*/0ul, /*paylen=*/0ul, /*keyring=*/0xfffffffb); if (res != -1) r[0] = res; memcpy((void*)0x200003c0, "dns_resolver\000", 13); memcpy((void*)0x20000080, "\x00\x00\x01\x02", 4); syscall(__NR_add_key, /*type=*/0x200003c0ul, /*desc=*/0ul, /*payload=*/0x20000080ul, /*paylen=*/4ul, /*keyring=*/r[0]); return 0; }