// https://syzkaller.appspot.com/bug?id=aaa07c60ef9dbaada5b88fcc94e3db3af5a6562e // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[6] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0}; 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_DGRAM*/ 2ul, /*proto=*/0, /*fds=*/0x2000000002c0ul); if (res != -1) r[1] = *(uint32_t*)0x2000000002c4; 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 = 0x200000000440; *(uint32_t*)0x200000000440 = 0x44; *(uint16_t*)0x200000000444 = 0x24; *(uint16_t*)0x200000000446 = 0xd0f; *(uint32_t*)0x200000000448 = 0x70bd2d; *(uint32_t*)0x20000000044c = 0; *(uint8_t*)0x200000000450 = 0x60; *(uint8_t*)0x200000000451 = 0; *(uint16_t*)0x200000000452 = 0; *(uint32_t*)0x200000000454 = r[2]; *(uint16_t*)0x200000000458 = 0; *(uint16_t*)0x20000000045a = 0xa; *(uint16_t*)0x20000000045c = -1; *(uint16_t*)0x20000000045e = -1; *(uint16_t*)0x200000000460 = 0xd; *(uint16_t*)0x200000000462 = -1; *(uint16_t*)0x200000000464 = 9; *(uint16_t*)0x200000000466 = 1; memcpy((void*)0x200000000468, "hfsc\000", 5); *(uint16_t*)0x200000000470 = 0x14; *(uint16_t*)0x200000000472 = 2; *(uint16_t*)0x200000000474 = 0x10; *(uint16_t*)0x200000000476 = 2; *(uint32_t*)0x200000000478 = 0xa; *(uint32_t*)0x20000000047c = 0; *(uint32_t*)0x200000000480 = 6; *(uint64_t*)0x200000000788 = 0x44; *(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; res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_STREAM*/ 1ul, /*proto=*/0, /*fds=*/0x200000000080ul); if (res != -1) r[4] = *(uint32_t*)0x200000000084; 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[4], /*cmd=*/0x8933, /*arg=*/0x200000000000ul); if (res != -1) r[5] = *(uint32_t*)0x200000000010; *(uint64_t*)0x200000000040 = 0; *(uint32_t*)0x200000000048 = 0; *(uint64_t*)0x200000000050 = 0x200000000780; *(uint64_t*)0x200000000780 = 0x200000000380; *(uint32_t*)0x200000000380 = 0x40; *(uint16_t*)0x200000000384 = 0x24; *(uint16_t*)0x200000000386 = 0xd0f; *(uint32_t*)0x200000000388 = 0; *(uint32_t*)0x20000000038c = 0; *(uint8_t*)0x200000000390 = 0x60; *(uint8_t*)0x200000000391 = 0; *(uint16_t*)0x200000000392 = 0; *(uint32_t*)0x200000000394 = r[5]; *(uint16_t*)0x200000000398 = 0; *(uint16_t*)0x20000000039a = 0; *(uint16_t*)0x20000000039c = 0xfff2; *(uint16_t*)0x20000000039e = 0xa; *(uint16_t*)0x2000000003a0 = 2; *(uint16_t*)0x2000000003a2 = 0; *(uint16_t*)0x2000000003a4 = 0xd; *(uint16_t*)0x2000000003a6 = 1; memcpy((void*)0x2000000003a8, "fq_codel\000", 9); *(uint16_t*)0x2000000003b4 = 0xc; *(uint16_t*)0x2000000003b6 = 2; *(uint16_t*)0x2000000003b8 = 8; *(uint16_t*)0x2000000003ba = 7; *(uint32_t*)0x2000000003bc = 1; *(uint64_t*)0x200000000788 = 0x40; *(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; }