Date: Mon, 22 May 2017 04:40:24 -0700
From: scan-ad...@coverity.com
To: step...@networkplumber.org
Subject: New Defects reported by Coverity Scan for Linux
Hi,
Please find the latest report on new defect(s) introduced to Linux found with
Coverity Scan.
1 new defect(s) introduced to Linux found with Coverity Scan.
17 defect(s), reported by Coverity Scan earlier, were marked fixed in the
recent build analyzed by Coverity Scan.
New defect(s) Reported-by: Coverity Scan
Showing 1 of 1 defect(s)
** CID 1409762: Control flow issues (DEADCODE)
/kernel/bpf/verifier.c: 815 in check_pkt_ptr_alignment()
________________________________________________________________________________________________________
*** CID 1409762: Control flow issues (DEADCODE)
/kernel/bpf/verifier.c: 815 in check_pkt_ptr_alignment()
809 }
810
811 /* skb->data is NET_IP_ALIGN-ed, but for strict alignment
checking
812 * we force this to 2 which is universally what architectures
use
813 * when they don't set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS.
814 */
>>> CID 1409762: Control flow issues (DEADCODE)
>>> Execution cannot reach the expression "0" inside this statement:
>>> "ip_align = (strict ? 2 : 0);".
815 ip_align = strict ? 2 : NET_IP_ALIGN;
816 if ((ip_align + reg_off + off) % size != 0) {
817 verbose("misaligned packet access off %d+%d+%d size
%d\n",
818 ip_align, reg_off, off, size);
819 return -EACCES;
820 }
