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haproxy/src
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Willy Tarreau eec1d3869d BUG/MEDIUM: dns: fix alignment issues in the DNS response parser 
Alexander Lebedev reported that the DNS parser crashes in 1.6 with a bus
error on Sparc when it receives a response. This is obviously caused by
some alignment issues. The issue can also be reproduced on ARMv5 when
setting /proc/cpu/alignment to 4 (which helps debugging).

Two places cause this crash in turn, the first one is when the IP address
from the packet is compared to the current one, and the second place is
when the address is assigned because an unaligned address is passed to
update_server_addr().

This patch modifies these places to properly use memcpy() and memcmp()
to manipulate the unaligned data.

Nenad Merdanovic found another set of places specific to 1.7 in functions
in_net_ipv4() and in_net_ipv6(), which are used to compare networks. 1.6
has the functions but does not use them. There we perform a temporary copy
to a local variable to fix the problem. The type of the function's argument
is wrong since it's not necessarily aligned, so we change it for a const
void * instead.

This fix must be backported to 1.6. Note that in 1.6 the code is slightly
different, there's no rec[] array, the pointer is used directly from the
buffer.
2016-07-13 12:13:24 +02:00
..
51d.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
acl.c MINOR: acl: Add predefined METH_DELETE, METH_PUT 2016-04-12 11:44:09 +02:00
applet.c MINOR: stream-int: rename si_applet_done() to si_applet_wake_cb() 2015-09-25 21:16:02 +02:00
arg.c MINOR: sample: Moves ARGS underlying type from 32 to 64 bits. 2016-03-15 22:11:52 +01:00
auth.c MINOR: samples: rename union from "data" to "u" 2015-08-20 17:13:46 +02:00
backend.c BUG/MAJOR: samples: check smp->strm before using it 2016-03-10 16:42:58 +01:00
base64.c [MINOR] add encode/decode function for 30-bit integers from/to base64 2010-10-30 19:04:33 +02:00
buffer.c BUG/MEDIUM: buffers: do not round up buffer size during allocation 2016-01-25 02:31:18 +01:00
cfgparse.c CLEANUP: fixed some usages of realloc leading to memory leak 2016-06-29 10:45:18 +02:00
channel.c BUG/MEDIUM: channel: fix inconsistent handling of 4GB-1 transfers 2016-05-04 15:26:37 +02:00
checks.c CLEANUP: external-check: don't block/unblock SIGCHLD when manipulating the list 2016-06-21 18:10:51 +02:00
chunk.c CLEANUP: fixed some usages of realloc leading to memory leak 2016-06-29 10:45:18 +02:00
compression.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
connection.c CLEANUP: connection: using internal struct to hold source and dest port. 2016-07-05 14:43:05 +02:00
da.c MINOR: da: Using ARG12 macro for the sample fetch and the convertor. 2016-03-17 05:44:33 +01:00
dns.c BUG/MEDIUM: dns: fix alignment issues in the DNS response parser 2016-07-13 12:13:24 +02:00
dumpstats.c CLEANUP: dumpstats: u64 field is an unsigned type. 2016-06-27 15:27:05 +02:00
ev_epoll.c CLEANUP: poll: move the conditions for waiting out of the poll functions 2015-04-13 20:47:51 +02:00
ev_kqueue.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00
ev_poll.c CLEANUP: poll: move the conditions for waiting out of the poll functions 2015-04-13 20:47:51 +02:00
ev_select.c CLEANUP: poll: move the conditions for waiting out of the poll functions 2015-04-13 20:47:51 +02:00
fd.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00
filters.c BUG/MEDIUM: filters: Fix data filtering when data are modified 2016-06-21 18:53:08 +02:00
flt_http_comp.c MEDIUM: filters: Move HTTP headers filtering in its own callback 2016-05-18 15:11:54 +02:00
flt_trace.c MEDIUM: filters: Add pre and post analyzer callbacks 2016-05-18 15:11:54 +02:00
freq_ctr.c BUG/MINOR: time: frequency counters are not totally accurate 2012-12-29 21:50:07 +01:00
frontend.c MINOR: samples: rename union from "data" to "u" 2015-08-20 17:13:46 +02:00
haproxy-systemd-wrapper.c MINOR: systemd: ensure a reload doesn't mask a stop 2016-02-27 08:28:43 +01:00
haproxy.c BUG/MINOR: init: ensure that FD limit is raised to the max allowed 2016-06-21 18:10:50 +02:00
hash.c MINOR: hash: add new function hash_crc32 2015-01-20 19:48:05 +01:00
hdr_idx.c OPTIM/MINOR: move the hdr_idx pools out of the proxy struct 2011-10-24 18:15:04 +02:00
hlua.c BUG/MEDIUM: lua: converters doesn't work 2016-06-08 10:33:27 +02:00
hlua_fcn.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00
i386-linux-vsys.c MEDIUM: listener: add support for linux's accept4() syscall 2012-10-08 20:11:03 +02:00
lb_chash.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00
lb_fas.c REORG/MEDIUM: server: split server state and flags in two different variables 2014-05-22 11:27:00 +02:00
lb_fwlc.c REORG/MEDIUM: server: split server state and flags in two different variables 2014-05-22 11:27:00 +02:00
lb_fwrr.c REORG/MEDIUM: server: split server state and flags in two different variables 2014-05-22 11:27:00 +02:00
lb_map.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00
listener.c MINOR: listener: add the "accept-netscaler-cip" option to the "bind" keyword 2016-06-20 23:02:47 +02:00
log.c MINOR: log: add the %Td log-format specifier 2016-05-17 18:04:30 +02:00
lru.c MINOR: lru: new function to delete <nb> least recently used keys 2016-01-11 07:31:35 +01:00
mailers.c MEDIUM: Add parsing of mailers section 2015-02-03 00:24:16 +01:00
map.c CLEANUP: map: Avoid memory leak in out-of-memory condition. 2016-03-08 12:55:06 +01:00
memory.c MEDIUM: pools: add a new flag to avoid rounding pool size up 2016-01-25 02:31:18 +01:00
namespace.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
pattern.c BUG/MINOR: pattern: Avoid memory leak on out-of-memory condition 2016-03-13 07:47:25 +01:00
payload.c CLEANUP: payload: remove useless and confusing nullity checks for channel buffer 2016-03-10 17:28:04 +01:00
peers.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
pipe.c BUILD/MINOR: silent a build warning in src/pipe.c (fcntl) 2011-10-24 17:09:22 +02:00
proto_http.c BUG/MINOR: Rework slightly commit 9962f8fc to clean code and avoid mistakes 2016-06-28 16:34:50 +02:00
proto_tcp.c MINOR: tcp: add "tcp-request connection expect-netscaler-cip layer4" 2016-06-20 23:02:47 +02:00
proto_udp.c CLEANUP: fix inconsistency between fd->iocb, proto->accept and accept() 2016-04-14 11:18:22 +02:00
proto_uxst.c MINOR: unix: don't mention free ports on EAGAIN 2016-01-26 21:11:51 +01:00
protocol.c MEDIUM: protocol: use a family array to index the protocol handlers 2015-02-28 23:12:31 +01:00
proxy.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
queue.c REORG/MEDIUM: stream: rename stream flags from SN_* to SF_* 2015-04-06 11:23:57 +02:00
raw_sock.c BUG/MINOR: raw_sock: also consider ENOTCONN in addition to EAGAIN for recv() 2014-03-04 07:27:18 +01:00
rbtree.c [MINOR] imported the rbtree function from Linux kernel 2007-01-07 02:12:57 +01:00
regex.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
sample.c BUILD: fix build on Solaris 11 2016-05-26 07:15:57 +02:00
server.c BUG/MEDIUM: dns: fix alignment issues in the DNS response parser 2016-07-13 12:13:24 +02:00
session.c MINOR: listener: add the "accept-netscaler-cip" option to the "bind" keyword 2016-06-20 23:02:47 +02:00
shctx.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00
signal.c MEDIUM: unblock signals on startup. 2016-04-20 10:53:12 +02:00
ssl_sock.c BUG/MINOR: ssl: fix potential memory leak in ssl_sock_load_dh_params() 2016-07-12 11:48:06 +02:00
standard.c BUG/MEDIUM: dns: fix alignment issues in the DNS response parser 2016-07-13 12:13:24 +02:00
stick_table.c MINOR: stick-table: change all stick-table converters' inputs to SMP_T_ANY 2016-05-25 17:20:59 +02:00
stream.c BUG/MEDIUM: sticktables: segfault in some configuration error cases 2016-06-07 11:05:23 +02:00
stream_interface.c BUG/MEDIUM: stream-int: avoid double-call to applet->release 2015-09-25 21:16:03 +02:00
task.c REORG/MAJOR: session: rename the "session" entity to "stream" 2015-04-06 11:23:56 +02:00
time.c BUG/MINOR: time: frequency counters are not totally accurate 2012-12-29 21:50:07 +01:00
trace.c BUG/MEDIUM: trace.c: rdtsc() is defined in two files 2016-04-09 22:27:01 +02:00
uri_auth.c CLEANUP: uniformize last argument of malloc/calloc 2016-04-03 14:17:42 +02:00
vars.c CLEANUP: fixed some usages of realloc leading to memory leak 2016-06-29 10:45:18 +02:00
xxhash.c CLEANUP: remove unneeded casts 2016-04-03 14:17:42 +02:00