Messages in this thread | | | From | Andrey Borzenkov <> | Subject | Re: Slab corruption after unloading a module | Date | Sun, 16 Apr 2006 14:43:20 +0400 |
| |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
> There was no problem if I just load and unload the module. But if I > write to the device using "ls > /dev/temp" and then unload the > module, I would get slab corruption.
you return different value as what has really been consumed:
> if (*f_pos + count > MAX_DSIZE) > count1 = MAX_DSIZE - *f_pos; > > if (copy_from_user (temp_dev->data+*f_pos, buf, count1)) { > rv = -EFAULT; > goto wrap_up; > } > up (&temp_dev->sem); > *f_pos += count1; > return count;
may be it confuses the rest of kernel a bit?
- -andrey -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux)
iD8DBQFEQh/JR6LMutpd94wRAgn/AKCapb6QcSSeHn1X7qD1TxLBs2OCSACgnGg7 o7fTn3l6DTnLEr5EwqL7hjk= =bHLf -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |