// https://syzkaller.appspot.com/bug?id=1e559b8077e0b0c64daef7f74f3f07fcd02eb4ec // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0, 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)) { } res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10ul, /*type=SOCK_RAW*/ 3ul, /*proto=*/0); if (res != -1) r[0] = res; res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul, /*proto=*/0, /*fds=*/0x200000000240ul); if (res != -1) r[1] = *(uint32_t*)0x200000000244; memcpy((void*)0x200000000000, "lo\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16); res = syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x8933, /*arg=*/0x200000000000ul); if (res != -1) r[2] = *(uint32_t*)0x200000000010; *(uint64_t*)0x200000000040 = 0; *(uint32_t*)0x200000000048 = 0; *(uint64_t*)0x200000000050 = 0x200000000780; *(uint64_t*)0x200000000780 = 0x200000001340; *(uint32_t*)0x200000001340 = 0x48; *(uint16_t*)0x200000001344 = 0x24; *(uint16_t*)0x200000001346 = 0xd0f; *(uint32_t*)0x200000001348 = 0x70bd2d; *(uint32_t*)0x20000000134c = 0; *(uint8_t*)0x200000001350 = 0x60; *(uint8_t*)0x200000001351 = 0; *(uint16_t*)0x200000001352 = 0; *(uint32_t*)0x200000001354 = r[2]; *(uint16_t*)0x200000001358 = 0; *(uint16_t*)0x20000000135a = 0xa; *(uint16_t*)0x20000000135c = -1; *(uint16_t*)0x20000000135e = -1; *(uint16_t*)0x200000001360 = 0; *(uint16_t*)0x200000001362 = -1; *(uint16_t*)0x200000001364 = 8; *(uint16_t*)0x200000001366 = 1; memcpy((void*)0x200000001368, "htb\000", 4); *(uint16_t*)0x20000000136c = 0x1c; *(uint16_t*)0x20000000136e = 2; *(uint16_t*)0x200000001370 = 0x18; *(uint16_t*)0x200000001372 = 2; *(uint32_t*)0x200000001374 = 3; *(uint32_t*)0x200000001378 = 1; *(uint32_t*)0x20000000137c = 0; *(uint32_t*)0x200000001380 = 0; *(uint32_t*)0x200000001384 = 0; *(uint64_t*)0x200000000788 = 0x48; *(uint64_t*)0x200000000058 = 1; *(uint64_t*)0x200000000060 = 0; *(uint64_t*)0x200000000068 = 0; *(uint32_t*)0x200000000070 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200000000040ul, /*f=MSG_BATCH|MSG_NOSIGNAL|MSG_EOR*/ 0x44080ul); res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10ul, /*type=SOCK_RAW*/ 3ul, /*proto=*/0); if (res != -1) r[3] = res; *(uint64_t*)0x200000000040 = 0; *(uint32_t*)0x200000000048 = 0; *(uint64_t*)0x200000000050 = 0x200000000780; *(uint64_t*)0x200000000780 = 0x2000000001c0; *(uint32_t*)0x2000000001c0 = 0x78; *(uint16_t*)0x2000000001c4 = 0x24; *(uint16_t*)0x2000000001c6 = 0xd0f; *(uint32_t*)0x2000000001c8 = 0; *(uint32_t*)0x2000000001cc = 0; *(uint8_t*)0x2000000001d0 = 0x60; *(uint8_t*)0x2000000001d1 = 0; *(uint16_t*)0x2000000001d2 = 0; *(uint32_t*)0x2000000001d4 = r[2]; *(uint16_t*)0x2000000001d8 = 0; *(uint16_t*)0x2000000001da = 0xf; *(uint16_t*)0x2000000001dc = 0xa; *(uint16_t*)0x2000000001de = 0xa; *(uint16_t*)0x2000000001e0 = 6; *(uint16_t*)0x2000000001e2 = 0; *(uint16_t*)0x2000000001e4 = 8; *(uint16_t*)0x2000000001e6 = 1; memcpy((void*)0x2000000001e8, "sfq\000", 4); *(uint16_t*)0x2000000001ec = 0x48; *(uint16_t*)0x2000000001ee = 2; *(uint32_t*)0x2000000001f0 = 7; *(uint32_t*)0x2000000001f4 = 8; *(uint32_t*)0x2000000001f8 = 4; *(uint32_t*)0x2000000001fc = 0; *(uint32_t*)0x200000000200 = 7; *(uint32_t*)0x200000000204 = 0xf0; *(uint32_t*)0x200000000208 = 1; *(uint32_t*)0x20000000020c = 0x31a; *(uint32_t*)0x200000000210 = 3; *(uint32_t*)0x200000000214 = 0x88a; *(uint8_t*)0x200000000218 = 0xd; *(uint8_t*)0x200000000219 = 0x8e; *(uint8_t*)0x20000000021a = 0x1f; *(uint8_t*)0x20000000021b = 3; *(uint32_t*)0x20000000021c = 0xff; *(uint32_t*)0x200000000220 = 0x4415; *(uint32_t*)0x200000000224 = 2; *(uint32_t*)0x200000000228 = 0x800; *(uint32_t*)0x20000000022c = 5; *(uint32_t*)0x200000000230 = 0; *(uint32_t*)0x200000000234 = 5; *(uint64_t*)0x200000000788 = 0x78; *(uint64_t*)0x200000000058 = 1; *(uint64_t*)0x200000000060 = 0; *(uint64_t*)0x200000000068 = 0; *(uint32_t*)0x200000000070 = 0; syscall(__NR_sendmsg, /*fd=*/r[3], /*msg=*/0x200000000040ul, /*f=MSG_NOSIGNAL*/ 0x4000ul); return 0; }