DragonFlyBSD bugtracker

12/21/2023

11:11 PM DragonFlyBSD Bug #3363 (New): sysctl CTL_NET.PF_ROUTE.0.0.NET_RT_IFLIST.0 blocks in an uninterruptible wait in some cases

The attached program blocks, reliably, in an uninterruptible wait on my DragonFly BSD 6.4 VM if I run it and then:
... guy

09/02/2014

11:15 AM DragonFlyBSD Bug #2722 (Closed): bpf_filter's memory array is signed

The mem[] array in bpf_filter(), for scratch memory in BPF programs, is an array of signed 32-bit integers. However,... guy

07/14/2011

01:23 AM DragonFlyBSD Bug #2101 (Closed): bpf_filter() can leak kernel stack contents

http://seclists.org/fulldisclosure/2010/Nov/89
That's Linux's BPF interpreter, but the same problem exists with the ... guy

09/01/2010

08:42 AM DragonFlyBSD Bug #1816 (Closed): p->cc can go negative in libpcap

In pcap_read_bpf(), ep is set based on the return value of read(), but read() from a BPF device doesn't necessarily r... guy

04/21/2010

12:38 AM DragonFlyBSD Bug #1748 (Closed): bpf_validate() uses BPF_RVAL() when it should use BPF_SRC()

In bpf_validate, when it checks whether the divisor in a BPF_DIV instruction is a constant 0, it does
case BPF_DI... guy

02/13/2010

08:51 AM DragonFlyBSD Bug #1674 (Closed): non-blocking BPF reads return -1/EWOULDBLOCK until the store buffer fills up

Non-blocking reads from a BPF device not in immediate mode will not rotate the buffers even if there's data in the st... guy

04/14/2009

07:14 PM DragonFlyBSD Bug #1334: <net/bpf.h> should include <sys/ioccom.h>

On Apr 14, 2009, at 12:05 PM, Sascha Wildner (via DragonFly issue
tracker) wrote:
One other thing that came to min... guy

04/13/2009

06:49 PM DragonFlyBSD Bug #1334 (Closed): <net/bpf.h> should include <sys/ioccom.h>

<net/bpf.h> defines ioctl codes, so it should include <sys/ioccom.h>,
so it doesn't require code that includes <net... guy

01/02/2008

03:10 AM DragonFlyBSD Bug #904 (Closed): bpf_validate() needs to do more checks

OpenBSD's bpf_validate() in sys/net/bpf_filter.c does some additional
checks to catch:
BPF programs with no instruc... guy

03:06 AM DragonFlyBSD Bug #903 (Closed): BPF indexed byte load can sign extend

The code to handle BPF non-indexed loads in bpf_filter() in bpf_filter.c is:
case BPF_LD|BPF_B|BPF_ABS:
k = pc-... guy