Messages in this thread | | | From | Rickard Strandqvist <> | Date | Mon, 20 Oct 2014 23:10:09 +0200 | Subject | Re: [PATCH 2/5] scsi: bfa: bfa_fcs_lport.c: Cleaning up missing null-terminate by switching from strncpy to strzcpy |
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2014-10-20 17:37 GMT+02:00 Dan Carpenter <dan.carpenter@oracle.com>: > On Sun, Oct 19, 2014 at 12:13:10AM +0200, Rickard Strandqvist wrote: >> Ensures that the string is null-terminate in connection with the >> use of strncpy, by switching from strncpy to strzcpy. >> > > I wish the changelogs were more clear that we have no reason to think > this is a real issue. > >> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> >> --- >> drivers/scsi/bfa/bfa_fcs_lport.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c >> index ff75ef8..78af89e 100644 >> --- a/drivers/scsi/bfa/bfa_fcs_lport.c >> +++ b/drivers/scsi/bfa/bfa_fcs_lport.c >> @@ -2633,7 +2633,7 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi, >> strncpy(hba_attr->driver_version, (char *)driver_info->version, >> sizeof(hba_attr->driver_version)); > > Why do we not change this one? > >> >> - strncpy(hba_attr->os_name, driver_info->host_os_name, >> + strzcpy(hba_attr->os_name, driver_info->host_os_name, >> sizeof(hba_attr->os_name)); > > strlcpy() would also be totally safe here. It's also safe for patch > patch 3 and patch 4. Patch 5 is trickier to audit so I don't know if > strlcpy() is safe.
Hi Dan
It was a miss, should have done this on both strncpy.
After becoming quite attacked for having changed to strlcpy I am very careful with it now. But ok, then I submit 2 3 4 with strlcpy instead.
But this is a little bad example for strzcpy though :-(
Kind regards Rickard Strandqvist
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