| // KASAN: use-after-free Read in tcp_init_tso_segs |
| // https://syzkaller.appspot.com/bug?id=90f9738058b5de9e9e580f12eabb2816d506a610 |
| // status:fixed |
| // autogenerated by syzkaller (https://github.com/google/syzkaller) |
| |
| #define _GNU_SOURCE |
| |
| #include <endian.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/syscall.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; |
| |
| int main(void) |
| { |
| syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); |
| intptr_t res = 0; |
| res = syscall(__NR_socket, 0xa, 1, 0); |
| if (res != -1) |
| r[0] = res; |
| *(uint16_t*)0x20000180 = 0xa; |
| *(uint16_t*)0x20000182 = htobe16(0x4e22); |
| *(uint32_t*)0x20000184 = htobe32(0); |
| *(uint64_t*)0x20000188 = htobe64(0); |
| *(uint64_t*)0x20000190 = htobe64(1); |
| *(uint32_t*)0x20000198 = 0; |
| syscall(__NR_bind, r[0], 0x20000180, 0x1c); |
| syscall(__NR_listen, r[0], 0); |
| res = syscall(__NR_socket, 0xa, 1, 0); |
| if (res != -1) |
| r[1] = res; |
| *(uint16_t*)0x200000c0 = 0xa; |
| *(uint16_t*)0x200000c2 = htobe16(0x4e22); |
| *(uint32_t*)0x200000c4 = htobe32(0); |
| memcpy((void*)0x200000c8, |
| "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000", |
| 16); |
| *(uint32_t*)0x200000d8 = 0; |
| syscall(__NR_sendto, r[1], 0, 0x98, 0x20040010, 0x200000c0, 0x1c); |
| return 0; |
| } |