Date: Fri, 20 May 2005 20:26:35 GMT From: Tilman Linneweh <arved@arved.at> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/81324: panic: "Duplicate free of item %p from zone %p(%s)\n" Message-ID: <200505202026.j4KKQZgd002218@freefall.freebsd.org> Resent-Message-ID: <200505202030.j4KKUB4d002480@freefall.freebsd.org>
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>Number: 81324 >Category: kern >Synopsis: panic: "Duplicate free of item %p from zone %p(%s)\n" >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri May 20 20:30:10 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Tilman Linneweh >Release: FreeBSD 5.4-STABLE i386 >Organization: >Environment: System: FreeBSD via.arved.de 5.4-STABLE FreeBSD 5.4-STABLE #12: Sun Apr 24 11:47:55 CEST 2005 root@via.arved.de:/usr/obj/usr/src/sys/VIA i386 >Description: This bug has been reproducable since 5.3. The Machine is an ipfilter/ipnat Firewall. The panic happens when another machine behind a different Firewall opens an SSH Session to a machine behind the ipnat-Gateway. and does not terminate it correctly (because it crashed itself, or because a laptop is put into sleep) mode) #22 0xc0532dbb in panic ( fmt=0xc06e28f8 "Duplicate free of item %p from zone %p(%s)\n") at /usr/src/sys/kern/kern_shutdown.c:550 #23 0xc0657260 in uma_dbg_free (zone=0xc0c6aae0, slab=0xc1355fa8, item=0xc1355e00) at /usr/src/sys/vm/uma_dbg.c:301 #24 0xc065602f in uma_zfree_arg (zone=0xc0c6aae0, item=0xc1355e00, udata=0x0) at /usr/src/sys/vm/uma_core.c:2273 #25 0xc0564b82 in m_freem (mb=0x0) at uma.h:304 #26 0xc044f864 in fr_check (ip=0xc1355e50, hlen=25, ifp=0xc1120000, out=0, mp=0xca869c88) at /usr/src/sys/contrib/ipfilter/netinet/fil.c:1387 #27 0xc0451302 in fr_check_wrapper (arg=0x0, mp=0x0, ifp=0xc1120000, dir=1, inp=0x0) at /usr/src/sys/contrib/ipfilter/netinet/ip_fil.c:345 #28 0xc059cfad in pfil_run_hooks (ph=0xc0760c20, mp=0xca869cd4, ifp=0xc1120000, dir=1, inp=0x0) at /usr/src/sys/net/pfil.c:137 #29 0xc05b2dd5 in ip_input (m=0xc1355e00) ---Type <return> to continue, or q <return> to quit--- at /usr/src/sys/netinet/ip_input.c:457 #30 0xc059ba12 in netisr_processqueue (ni=0xc075feb8) at /usr/src/sys/net/netisr.c:233 #31 0xc059bbc0 in swi_net (dummy=0x0) at /usr/src/sys/net/netisr.c:340 #32 0xc0521088 in ithread_loop (arg=0xc1074400) at /usr/src/sys/kern/kern_intr.c:547 #33 0xc05204fc in fork_exit (callout=0xc0520f64 <ithread_loop>, arg=0xc1074400, frame=0xca869d48) at /usr/src/sys/kern/kern_fork.c:790 #34 0xc067a08c in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:209 >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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