misc/70974: SIGSEGV in rpc.lockd

[William D. Colburn]

>Number:         70974
>Category:       misc
>Synopsis:       SIGSEGV in rpc.lockd
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Aug 26 04:40:27 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     William D. Colburn (aka Schlake)
>Release:        FreeBSD 5.2.1-RELEASE-p9 i386
>Organization:
New Mexico Institute of Mining and Technology
>Environment:
System: FreeBSD userhost 5.2.1-RELEASE-p9 FreeBSD 5.2.1-RELEASE-p9 #0: Sat Aug 14 16:55:45 MDT 2004 wcolburn at newuserhost.nmt.edu:/usr/obj/usr/src/sys/USERHOST i386

My cvsup seems to be up to date still.

>Description:

rpc.lockd keeps exiting

>How-To-Repeat:

start lockd, wait?

Core was generated by `rpc.lockd'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/lib/librpcsvc.so.2...done.
Loaded symbols for /usr/lib/librpcsvc.so.2
Reading symbols from /lib/libutil.so.4...done.
Loaded symbols for /lib/libutil.so.4
Reading symbols from /lib/libc.so.5...done.
Loaded symbols for /lib/libc.so.5
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x0804dd0f in get_lock_matching_unlock (fl=0xbfbfd960)
    at /usr/src/usr.sbin/rpc.lockd/lockd_lock.c:722
722                     if (bcmp(&fl->filehandle, &ifl->filehandle, sizeof(fhandle_t)))
(gdb) where
#0  0x0804dd0f in get_lock_matching_unlock (fl=0xbfbfd960)
    at /usr/src/usr.sbin/rpc.lockd/lockd_lock.c:722
#1  0x0804e37c in unlock_nfslock (fl=0xbfbfd960, released_lock=0xbfbfd920, 
    left_lock=0xbfbfd924, right_lock=0xbfbfd928)
    at /usr/src/usr.sbin/rpc.lockd/lockd_lock.c:976
#2  0x0804ec20 in unlock_partialfilelock (fl=0xbfbfd960)
    at /usr/src/usr.sbin/rpc.lockd/lockd_lock.c:1477
#3  0x0804f180 in do_unlock (fl=0xbfbfd960)
    at /usr/src/usr.sbin/rpc.lockd/lockd_lock.c:1788
#4  0x0804f50e in unlock (lock=0xbfbfde38, flags=2)
    at /usr/src/usr.sbin/rpc.lockd/lockd_lock.c:1967
#5  0x0804cd53 in nlm4_unlock_msg_4_svc (arg=0xbfbfd960, rqstp=0xbfbfde38)
    at /usr/src/usr.sbin/rpc.lockd/lock_proc.c:1136
#6  0x0804aea4 in nlm_prog_4 (rqstp=0xbfbfe390, transp=0xbfbfd960)
    at nlm_prot_svc.c:436
#7  0x280f5858 in svc_getreq_common () from /lib/libc.so.5
#8  0x280f562f in svc_getreqset () from /lib/libc.so.5
#9  0x280b4ea4 in svc_run () from /lib/libc.so.5
#10 0x0804b358 in main (argc=134685440, argv=0xbfbfe580)
    at /usr/src/usr.sbin/rpc.lockd/lockd.c:212
#11 0x080498a2 in _start ()
(gdb) print &fl->filehandle
$1 = (fhandle_t *) 0xbfbfd968
(gdb) print &ifl->filehandle
$2 = (fhandle_t *) 0xc
(gdb) 

>Fix:

Unknown.


>Release-Note:
>Audit-Trail:
>Unformatted: