// https://syzkaller.appspot.com/bug?id=c326dddd4946a98a2cf3056a621b548583510219 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 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); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=NETLINK_RDMA*/ 0x14); if (res != -1) r[0] = res; *(uint64_t*)0x20000300 = 0; *(uint32_t*)0x20000308 = 0; *(uint64_t*)0x20000310 = 0x20001200; *(uint64_t*)0x20001200 = 0x20001040; *(uint32_t*)0x20001040 = 0x38; *(uint16_t*)0x20001044 = 0x1403; *(uint16_t*)0x20001046 = 1; *(uint32_t*)0x20001048 = 0; *(uint32_t*)0x2000104c = 0; *(uint16_t*)0x20001050 = 9; *(uint16_t*)0x20001052 = 2; memcpy((void*)0x20001054, "syz0\000", 5); *(uint16_t*)0x2000105c = 8; *(uint16_t*)0x2000105e = 0x41; memcpy((void*)0x20001060, "siw\000", 4); *(uint16_t*)0x20001064 = 0x14; *(uint16_t*)0x20001066 = 0x33; memcpy((void*)0x20001068, "lo\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16); *(uint64_t*)0x20001208 = 0x38; *(uint64_t*)0x20000318 = 1; *(uint64_t*)0x20000320 = 0; *(uint64_t*)0x20000328 = 0; *(uint32_t*)0x20000330 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20000300ul, /*f=*/0ul); res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_STREAM|0x4000000000000000*/ 0x4000000000000001ul, /*proto=*/0x100); if (res != -1) r[1] = res; *(uint16_t*)0x20000040 = 2; *(uint16_t*)0x20000042 = htobe16(0x4e23); *(uint8_t*)0x20000044 = 0xac; *(uint8_t*)0x20000045 = 0x14; *(uint8_t*)0x20000046 = 0x14; *(uint8_t*)0x20000047 = 0x13; syscall( __NR_sendto, /*fd=*/r[1], /*buf=*/0ul, /*len=*/0ul, /*f=MSG_FASTOPEN|MSG_PROBE|MSG_OOB|MSG_EOR|MSG_DONTWAIT|MSG_DONTROUTE|0x728*/ 0x200007fdul, /*addr=*/0x20000040ul, /*addrlen=*/0x10ul); res = syscall(__NR_socket, /*domain=AF_SMC*/ 0x2bul, /*type=SOCK_CLOEXEC|SOCK_NONBLOCK|SOCK_STREAM*/ 0x80801ul, /*proto=*/1); if (res != -1) r[2] = res; syscall(__NR_setsockopt, /*fd=*/r[2], /*level=*/0, /*opt=*/0xd2, /*val=*/0ul, /*len=*/0ul); return 0; }