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authorFlorian Westphal <fw@strlen.de>2008-07-18 23:04:39 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-18 23:04:39 -0700
commit6d0ccbac688207ca0616ab5094932af4db4747b3 (patch)
tree477f783f1bf54756fcc39da953b327b413ceb257 /net/sunrpc
parentc4e85f82edcd6027cfe67331a2e00741b009756b (diff)
sctp: Prevent uninitialized memory access
valgrind reports uninizialized memory accesses when running sctp inside the network simulation cradle simulator: Conditional jump or move depends on uninitialised value(s) at 0x570E34A: sctp_assoc_sync_pmtu (associola.c:1324) by 0x57427DA: sctp_packet_transmit (output.c:403) by 0x5710EFF: sctp_outq_flush (outqueue.c:824) by 0x5710B88: sctp_outq_uncork (outqueue.c:701) by 0x5745262: sctp_cmd_interpreter (sm_sideeffect.c:1548) by 0x57444B7: sctp_side_effects (sm_sideeffect.c:976) by 0x5744460: sctp_do_sm (sm_sideeffect.c:945) by 0x572157D: sctp_primitive_ASSOCIATE (primitive.c:94) by 0x5725C04: __sctp_connect (socket.c:1094) by 0x57297DC: sctp_connect (socket.c:3297) Conditional jump or move depends on uninitialised value(s) at 0x575D3A5: mod_timer (timer.c:630) by 0x5752B78: sctp_cmd_hb_timers_start (sm_sideeffect.c:555) by 0x5754133: sctp_cmd_interpreter (sm_sideeffect.c:1448) by 0x5753607: sctp_side_effects (sm_sideeffect.c:976) by 0x57535B0: sctp_do_sm (sm_sideeffect.c:945) by 0x571E9AE: sctp_endpoint_bh_rcv (endpointola.c:474) by 0x573347F: sctp_inq_push (inqueue.c:104) by 0x572EF93: sctp_rcv (input.c:256) by 0x5689623: ip_local_deliver_finish (ip_input.c:230) by 0x5689759: ip_local_deliver (ip_input.c:268) by 0x5689CAC: ip_rcv_finish (dst.h:246) #1 is due to "if (t->pmtu_pending)". 8a4794914f9cf2681235ec2311e189fe307c28c7 "[SCTP] Flag a pmtu change request" suggests it should be initialized to 0. #2 is the heartbeat timer 'expires' value, which is uninizialised, but test by mod_timer(). T3_rtx_timer seems to be affected by the same problem, so initialize it, too. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sunrpc')
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