>-----Original Message----- >From: Cédric Le Goater <c...@redhat.com> >Sent: Thursday, December 21, 2023 5:16 PM >Subject: Re: [PATCH] vfio/iommufd: Remove the use of stat() to check file >existence > >Hello Zhenzhong > >On 12/21/23 09:55, Duan, Zhenzhong wrote: >> >> >>> -----Original Message----- >>> From: Cédric Le Goater <c...@redhat.com> >>> Sent: Thursday, December 21, 2023 4:10 PM >>> Subject: [PATCH] vfio/iommufd: Remove the use of stat() to check file >>> existence >>> >>> Using stat() before opening a file or a directory can lead to a >>> time-of-check to time-of-use (TOCTOU) filesystem race, which is >>> reported by coverity as a Security best practices violations. The >>> sequence could be replaced by open and fdopendir but it doesn't add >>> much in this case. Simply use opendir to avoid the race. >>> >>> Fixes: CID 1531551 >>> Signed-off-by: Cédric Le Goater <c...@redhat.com> >> >> Thanks for fixing, Reviewed-by: Zhenzhong Duan ><zhenzhong.d...@intel.com> > >It seems that tools like b4 need the R-b tag, and probably other >tags, to be at the beginning of a new line. So, just repeating : > >Reviewed-by: Zhenzhong Duan <zhenzhong.d...@intel.com>
Got it, will follow that rule in the future. Thanks Zhenzhong