| // WARNING in ep_poll_callback |
| // https://syzkaller.appspot.com/bug?id=2ec99b05d1b07c30c8e5d307e40651b106b20368 |
| // status:invalid |
| // 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; |
| memcpy((void*)0x20000000, "./file0\x00", 8); |
| syscall(__NR_mkdirat, 0xffffff9c, 0x20000000, 0); |
| memcpy((void*)0x20000100, "/dev/fuse\x00", 10); |
| res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000100, 2, 0); |
| if (res != -1) |
| r[0] = res; |
| memcpy((void*)0x20000200, "./file0\x00", 8); |
| memcpy((void*)0x20000300, "fuse\x00", 5); |
| memcpy((void*)0x20000400, "fd", 2); |
| *(uint8_t*)0x20000402 = 0x3d; |
| sprintf((char*)0x20000403, "0x%016llx", (long long)r[0]); |
| *(uint8_t*)0x20000415 = 0x2c; |
| memcpy((void*)0x20000416, "rootmode", 8); |
| *(uint8_t*)0x2000041e = 0x3d; |
| sprintf((char*)0x2000041f, "%023llo", (long long)0x4000); |
| *(uint8_t*)0x20000436 = 0x2c; |
| memcpy((void*)0x20000437, "user_id", 7); |
| *(uint8_t*)0x2000043e = 0x3d; |
| sprintf((char*)0x2000043f, "%020llu", (long long)0); |
| *(uint8_t*)0x20000453 = 0x2c; |
| memcpy((void*)0x20000454, "group_id", 8); |
| *(uint8_t*)0x2000045c = 0x3d; |
| sprintf((char*)0x2000045d, "%020llu", (long long)0); |
| *(uint8_t*)0x20000471 = 0x2c; |
| *(uint8_t*)0x20000472 = 0; |
| syscall(__NR_mount, 0, 0x20000200, 0x20000300, 0, 0x20000400); |
| res = syscall(__NR_epoll_create1, 0); |
| if (res != -1) |
| r[1] = res; |
| *(uint32_t*)0x20000180 = 0; |
| *(uint64_t*)0x20000184 = 0; |
| syscall(__NR_epoll_ctl, r[1], 1, r[0], 0x20000180); |
| memcpy((void*)0x20000040, "./file0\x00", 8); |
| syscall(__NR_umount2, 0x20000040, 0); |
| return 0; |
| } |