https://bugzilla.netfilter.org/show_bug.cgi?id=910
Summary: Segmentation Fault
Product: conntrack-tools
Version: unspecified
Platform: x86_64
OS/Version: Debian GNU/Linux
Status: NEW
Severity: normal
Priority: P5
Component: conntrack-daemon
AssignedTo: netfilter-buglog at lists.netfilter.org
ReportedBy: jann at wh-netz.de
Estimated Hours: 0.0
Created attachment 439
--> https://bugzilla.netfilter.org/attachment.cgi?id=439
Configuration file for conntrackd
Version-Information:
Connection tracking userspace daemon v1.4.2. Licensed under GPLv2.
(C) 2006-2009 Pablo Neira Ayuso <pablo at netfilter.org>
Error:
Program received signal SIGSEGV, Segmentation fault.
0x0000000000414cdb in ct_build_u8 (b=22, n=0x635240, a=12, ct=0x127fe40) at
build.c:49
49 memcpy(ptr, nfct_get_attr(ct, a), sizeof(uint8_t));
Stack trace:
#0 0x0000000000414cdb in ct_build_u8 (b=22, n=0x635240, a=12, ct=0x127fe40) at
build.c:49
No locals.
#1 build_l4proto_icmp (ct=ct at entry=0x127fe40, n=n at entry=0x635240) at
build.c:150
No locals.
#2 0x0000000000414f97 in ct2msg (ct=0x127fe40, n=n at entry=0x635240) at
build.c:228
l4proto = 58 ':'
#3 0x000000000040ed4e in cache_ct_build_msg (obj=0x179dd80, type=0) at
cache-ct.c:326
__net = "\020\000,\000\257\271JY\000\f\000\000dG\026z
\001\a\300\000\b\000\005\000\000\001\230\000\005\000\002:\000\000\000\000\005\000\026\334\000\000\000\000\b\000\006\000\000\000\036\000\b\000\006\000\000\000<\000\b\000\f\212\372H\215\000\b\000\033ftp\000\000\b\000\006\000\000\000\035\000\006\000\017\000\000\000\000w\343H\215\000\b\000\033ftp\000\000\b\000\033ftp",
'\000' <repeats 3984 times>
__hdr = 0x635240
#4 0x00000000004136df in tx_queue_xmit (n=0x179ddb8, data=<optimized
out>) at
sync-ftfw.c:521
cn = 0x179ddb8
type = <optimized out>
net = <optimized out>
#5 0x000000000040a55c in queue_iterate (b=0x658820, data=data at entry=0x0,
iterate=iterate at entry=0x4136b0 <tx_queue_xmit>) at queue.c:179
i = <optimized out>
tmp = 0x658840
n = <optimized out>
#6 0x000000000041302b in ftfw_xmit () at sync-ftfw.c:545
No locals.
#7 0x0000000000411fe5 in tx_queue_cb (data=<optimized out>) at
sync-mode.c:356
No locals.
#8 0x000000000040dcf4 in select_main_step (next_alarm=0x7fffffffd290) at
fds.c:126
ret = <optimized out>
readfds = {__fds_bits = {8192, 0 <repeats 15 times>}}
cur = <optimized out>
tmp = 0x658c20
#9 select_main_loop () at fds.c:147
next_alarm = {tv_sec = 0, tv_usec = 999556}
next = 0x7fffffffd290
#10 0x0000000000409094 in main (argc=<optimized out>, argv=<optimized
out>) at
main.c:428
ret = <optimized out>
i = <optimized out>
action = -1
config_file = "/etc/conntrackd/conntrackd.conf",
'\000' <repeats 4064
times>
type = 0
u = {sysname = "Linux", '\000' <repeats 59
times>, nodename = "nat-1",
'\000' <repeats 59 times>,
release = "3.2.0-4-amd64", '\000' <repeats 51
times>, version = "#1
SMP Debian 3.2.54-2", '\000' <repeats 42 times>,
machine = "x86_64", '\000' <repeats 58 times>,
__domainname "(none)", '\000' <repeats 58 times>}
version = 3
major = 2
minor = 0
some more debug information:
(gdb) print ptr
$1 = <optimized out>
(gdb) print nfct_get_attr(ct, a)
$2 = 0
(gdb) print ct
$3 = (const struct nf_conntrack *) 0x127fe40
(gdb) print a
$4 = 12
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