[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] Make ACPI DMAR parsing more robust
Right. Depth *should* always be >= 1, but from my experience one can not always trust the info in the tables to be correct. Better be on the safe side. eSk [Keir Fraser] > Regarding the table length sanity check -- depth is set to the > number of acp_pci_path structures in the table. But then we only > follow the path to depth-1. Is that correct? > Also I changed the test to '--depth >= 0' which is equivalent and a > bit easier to read imo. > -- Keir > On 2/4/08 17:58, "Espen Skoglund" <espen.skoglund@xxxxxxxxxxxxx> wrote: >> Parsing ACPI related VT-d tables may cause infinite loop due to u8 >> value wraparound. Also add sanity check on table length entry. >> >> eSk >> >> >> Signed-off-by: Espen Skoglund <espen.skoglund@xxxxxxxxxxxxx> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@xxxxxxxxxxxxxxxxxxx >> http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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