| // WARNING in kmem_cache_create_usercopy |
| // https://syzkaller.appspot.com/bug?id=cca700e277be3358b5738a93c38f1d5b594c9882 |
| // 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); |
| long res = 0; |
| res = syscall(__NR_pipe2, 0x20000100, 0); |
| if (res != -1) { |
| r[0] = *(uint32_t*)0x20000100; |
| r[1] = *(uint32_t*)0x20000104; |
| } |
| memcpy((void*)0x20000140, "./file0", 8); |
| syscall(__NR_mkdir, 0x20000140, 0); |
| *(uint32_t*)0x20000040 = 0x15; |
| *(uint8_t*)0x20000044 = 0x65; |
| *(uint16_t*)0x20000045 = -1; |
| *(uint32_t*)0x20000047 = 8; |
| *(uint16_t*)0x2000004b = 8; |
| memcpy((void*)0x2000004d, "9P2000.u", 8); |
| syscall(__NR_write, r[1], 0x20000040, 0x15); |
| memcpy((void*)0x20000000, "./file0", 8); |
| memcpy((void*)0x200008c0, "9p", 3); |
| memcpy((void*)0x20000a80, "trans=fd,", 9); |
| memcpy((void*)0x20000a89, "rfdno", 5); |
| *(uint8_t*)0x20000a8e = 0x3d; |
| sprintf((char*)0x20000a8f, "0x%016llx", (long long)r[0]); |
| *(uint8_t*)0x20000aa1 = 0x2c; |
| memcpy((void*)0x20000aa2, "wfdno", 5); |
| *(uint8_t*)0x20000aa7 = 0x3d; |
| sprintf((char*)0x20000aa8, "0x%016llx", (long long)r[1]); |
| *(uint8_t*)0x20000aba = 0x2c; |
| memcpy((void*)0x20000abb, "\x63\x61\x63\x68\x65\x3d\xc0\x6d\x61\x70", 10); |
| *(uint8_t*)0x20000ac5 = 0x2c; |
| *(uint8_t*)0x20000ac6 = 0; |
| syscall(__NR_mount, 0, 0x20000000, 0x200008c0, 0, 0x20000a80); |
| return 0; |
| } |