| // possible deadlock in free_ioctx_users |
| // https://syzkaller.appspot.com/bug?id=7a5eef8441d0a76d4ac12b35f3633885dbb9d04e |
| // status:open |
| // 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] = {0x0, 0xffffffffffffffff}; |
| |
| int main(void) |
| { |
| syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); |
| long res = 0; |
| res = syscall(__NR_io_setup, 3, 0x20000240); |
| if (res != -1) |
| r[0] = *(uint64_t*)0x20000240; |
| memcpy((void*)0x20000000, "/dev/md0", 9); |
| res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000000, 0, 0); |
| if (res != -1) |
| r[1] = res; |
| syscall(__NR_close, r[1]); |
| memcpy((void*)0x20000180, "/dev/cuse", 10); |
| syscall(__NR_openat, 0xffffffffffffff9c, 0x20000180, 2, 0); |
| *(uint64_t*)0x20000b00 = 0x200002c0; |
| *(uint64_t*)0x200002c0 = 0; |
| *(uint32_t*)0x200002c8 = 0; |
| *(uint32_t*)0x200002cc = 0; |
| *(uint16_t*)0x200002d0 = 5; |
| *(uint16_t*)0x200002d2 = 0; |
| *(uint32_t*)0x200002d4 = r[1]; |
| *(uint64_t*)0x200002d8 = 0; |
| *(uint64_t*)0x200002e0 = 0; |
| *(uint64_t*)0x200002e8 = 0; |
| *(uint64_t*)0x200002f0 = 0; |
| *(uint32_t*)0x200002f8 = 0; |
| *(uint32_t*)0x200002fc = -1; |
| syscall(__NR_io_submit, r[0], 1, 0x20000b00); |
| return 0; |
| } |