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Linux kernel source tree (Kernel Self Protection Project)
https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project
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Fix -Wstringop-overflow warning in drivers/scsi/lpfc/lpfc_debugfs.c #305

Closed GustavoARSilva closed 5 months ago

GustavoARSilva commented 1 year ago 


In function ‘lpfc_debugfs_ras_log_data’,
    inlined from ‘lpfc_debugfs_ras_log_open’ at drivers/scsi/lpfc/lpfc_debugfs.c:2271:15:
drivers/scsi/lpfc/lpfc_debugfs.c:2210:25: warning: ‘memcpy’ specified bound between 18446744071562067968 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
 2210 |                         memcpy(buffer + copied, dmabuf->virt,
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 2211 |                                size - copied - 1);
      |                                ~~~~~~~~~~~~~~~~~~
```c
GustavoARSilva commented 5 months ago

fixed in commit a48e2c328c6505d356c90ef51a2052d1d27f9bef