Atsushi Katagiri wrote:
Hello all.
This is a small patch that fixes a serious bug.
When we open /proc/xenomai/stat, function stat_seq_open kmalloc the area,
write the data and increment iter-nentries.
The last increment of this value reaches count,
and at the next iteration
Yes, I actually encountered this bug and my Linux was crashed by NULL pointer
dereference.
I think this is a very simple bug.
It happens everytime we open /proc/xenomai/stat,
because the last iter-nentries++; (line 466) surely reaches the value of the
count,
and the next iteration, line 449,
Philippe Gerum wrote:
Atsushi-san,
Atsushi Katagiri wrote:
Yes, I actually encountered this bug and my Linux was crashed by NULL
pointer dereference.
I think this is a very simple bug.
It happens everytime we open /proc/xenomai/stat,
because the last iter-nentries++; (line 466) surely
