| author | linD026 <shiyn.lin@gmail.com> | |
| Wed, 21 Sep 2022 05:55:30 +0000 (13:55 +0800) | ||
| committer | linD026 <shiyn.lin@gmail.com> | |
| Wed, 21 Sep 2022 08:57:23 +0000 (16:57 +0800) | ||
| commit | 0f9c72631cad6417aa50c2af3b9a6eef9bea0b7a | |
| tree | d7f977ade2c79c42ea3767d8f734a528224c17f5 | tree | snapshot |
| parent | c69eff9d1f5e0f1996a1f126d33a2ca6cbaa5ef7 | commit | diff |
Fix dereference NULL pointer with proc_lseek
Since the operations are static storage duration, the pointer in
operation structures will initialize with NULL. But, the kernel
doesn't check whether the pointer is NULL or not when calling it.
Related Discussion:
- https://github.com/sysprog21/lkmpg/issues/165
- https://github.com/sysprog21/lkmpg/issues/160
Close #165
Since the operations are static storage duration, the pointer in
operation structures will initialize with NULL. But, the kernel
doesn't check whether the pointer is NULL or not when calling it.
Related Discussion:
- https://github.com/sysprog21/lkmpg/issues/165
- https://github.com/sysprog21/lkmpg/issues/160
Close #165
| examples/sleep.c | diff | blob | blame | history |