Date: Fri, 8 Mar 2002 20:16:39 -0800 (PST) From: nobody <nobody@nobody.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/35700: a small code update Message-ID: <200203090416.g294Gde94327@freefall.freebsd.org>
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>Number: 35700
>Category: kern
>Synopsis: a small code update
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Mar 08 20:20:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: nobody
>Release: 4.5
>Organization:
nobody.com
>Environment:
FreeBSD bsd 4.5-STABLE FreeBSD 4.5-STABLE #11: Tue Jan 29 20:22:14 PST 2002 root@bsd:/usr/src/sys/compile/MYKERN i386
>Description:
found a minor bug in the bpf code. Unified diff included:
# more /tmp/bpfdiffs
--- /usr/src/sys/net/bpfold.c Fri Mar 8 17:18:45 2002
+++ /usr/src/sys/net/bpf.c Fri Mar 8 17:26:01 2002
@@ -990,7 +990,9 @@
return (EINVAL);
size = flen * sizeof(*fp->bf_insns);
- fcode = (struct bpf_insn *)malloc(size, M_BPF, M_WAITOK);
+ if((fcode = (struct bpf_insn *)malloc(size, M_BPF, M_WAITOK)) == NULL)
+ return (EINVAL);
+
if (copyin((caddr_t)fp->bf_insns, (caddr_t)fcode, size) == 0 &&
bpf_validate(fcode, (int)flen)) {
s = splimp();
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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