Date: Mon, 23 Dec 2002 12:49:49 +0300 From: "Vladimir B.Grebenschikov" <vova@sw.ru> To: FreeBSD-gnats-submit@FreeBSD.org Subject: bin/46489: error parsing usbd.conf by usbd Message-ID: <E18QPDZ-0000Ie-00@vbook.express.ru>
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>Number: 46489
>Category: bin
>Synopsis: error parsing usbd.conf by usbd
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Dec 23 01:50:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Vladimir B. Grebenschikov
>Release: FreeBSD 5.0-CURRENT i386
>Organization:
SWsoft
>Environment:
System: FreeBSD vbook.express.ru 5.0-CURRENT FreeBSD 5.0-CURRENT #13: Mon Dec 23 11:06:09 MSK 2002 root@vbook.express.ru:/usr/obj/usr/local/src/sys/VBOOK i386
Just from CVS (after 5.0-RC2)
usbd.conf:
------------------------------------------------------
# Configuration file the USB daemon.
#
device "Sony DSC-P50 Dicatal Photo Camera"
vendor 0x054c
product 0x0010
attach "/sbin/camcontrol rescan bus 0; /sbin/mount /m/cam"
detach "/sbin/umount -f /m/cam"
device "UMass storage (floppy)"
devname "umass0"
attach "/sbin/camcontrol rescan bus 0; /sbin/mount /m/A"
detach "/sbin/umount -f /m/A"
device "Keyboard with Mouse"
vendor 0x046e
product 0x6782
release 0x0100
attach "/usr/sbin/kbdcontrol -k /dev/kbd1 -r fast < /dev/ttyv0"
detach "/usr/sbin/kbdcontrol -k /dev/kbd0 -r fast < /dev/ttyv0"
#
device "Mouse"
devname "ums[0-9]+"
attach "/usr/sbin/moused -p /dev/${DEVNAME} -I /var/run/moused.${DEVNAME}.pid -m 6=4 -m 7=5"
detach "kill /var/run/moused.${DEVNAME}.pid"
#
device "Keyboard"
devname "ukbd[0-9]+"
attach "/usr/sbin/kbdcontrol -k /dev/kbd1"
detach "/usr/sbin/kbdcontrol -k /dev/kbd0"
#
device "USB device"
------------------------------------------------------
>Description:
# usbd
Segmentation fault (core dumped)
# gdb /usr/obj/usr/local/src/usr.sbin/usbd/usbd
...
(gdb) r
Starting program: /usr/obj/usr/local/src/usr.sbin/usbd/usbd
Program received signal SIGSEGV, Segmentation fault.
0x280fc023 in strncpy () from /usr/lib/libc.so.5
(gdb) bt
#0 0x280fc023 in strncpy () from /usr/lib/libc.so.5
#1 0x080494cd in read_configuration () at
/usr/local/src/usr.sbin/usbd/usbd.c:468
#2 0x0804aa3e in main (argc=0, argv=0xbfbff8d8) at
/usr/local/src/usr.sbin/usbd/usbd.c:1052
#3 0x08048d35 in _start ()
(gdb) up 1
#1 0x080494cd in read_configuration () at
/usr/local/src/usr.sbin/usbd/usbd.c:468
468 strncpy(linez, line, len);
(gdb) p linez
$1 = 0x800 <Error reading address 0x800: Bad address>
(gdb) p line
$2 = 0x804f15e "device \"Keyboard with Mouse\"\n\tvendor 0x046e \n\tproduct
0x6782\n\trelease 0x0100\n\tattach \"/usr/sbin/kbdcontrol -k /dev/kbd1 -r
fast < /dev/ttyv0\"\n\tdetach \"/usr/sbin/kbdcontrol -k /dev/kbd0 -r fast <
/dev"...
(gdb) p len
$3 = -1
(gdb)
Adding one comment into config file fixes problem:
--- /etc/usbd.conf Mon Dec 23 12:41:39 2002
+++ /etc/usbd.conf.work Mon Dec 23 10:14:30 2002
@@ -12,7 +12,7 @@
attach "/sbin/camcontrol rescan bus 0; /sbin/mount /m/A"
detach "/sbin/umount -f /m/A"
-
+#
device "Keyboard with Mouse"
vendor 0x046e
product 0x6782
# usbd -c /etc/usbd.conf.work
#
>How-To-Repeat:
Just try my usbd.conf
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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