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authorHans Schillstrom <hans@schillstrom.com>2013-04-27 22:06:14 +0400
committerDavid S. Miller <davem@davemloft.net>2013-04-29 19:35:30 +0400
commitf7a1dd6e3ad59f0cfd51da29dfdbfd54122c5916 (patch)
tree1c9170114fec11fe8be076ad51b275424d51634a /net/mac802154
parent3811ae76bc84e5dc1a670ae10695f046b310bee1 (diff)
downloadlinux-f7a1dd6e3ad59f0cfd51da29dfdbfd54122c5916.tar.xz
ipvs: ip_vs_sip_fill_param() BUG: bad check of return value
The reason for this patch is crash in kmemdup caused by returning from get_callid with uniialized matchoff and matchlen. Removing Zero check of matchlen since it's done by ct_sip_get_header() BUG: unable to handle kernel paging request at ffff880457b5763f IP: [<ffffffff810df7fc>] kmemdup+0x2e/0x35 PGD 27f6067 PUD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: xt_state xt_helper nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_mangle xt_connmark xt_conntrack ip6_tables nf_conntrack_ftp ip_vs_ftp nf_nat xt_tcpudp iptable_mangle xt_mark ip_tables x_tables ip_vs_rr ip_vs_lblcr ip_vs_pe_sip ip_vs nf_conntrack_sip nf_conntrack bonding igb i2c_algo_bit i2c_core CPU 5 Pid: 0, comm: swapper/5 Not tainted 3.9.0-rc5+ #5 /S1200KP RIP: 0010:[<ffffffff810df7fc>] [<ffffffff810df7fc>] kmemdup+0x2e/0x35 RSP: 0018:ffff8803fea03648 EFLAGS: 00010282 RAX: ffff8803d61063e0 RBX: 0000000000000003 RCX: 0000000000000003 RDX: 0000000000000003 RSI: ffff880457b5763f RDI: ffff8803d61063e0 RBP: ffff8803fea03658 R08: 0000000000000008 R09: 0000000000000011 R10: 0000000000000011 R11: 00ffffffff81a8a3 R12: ffff880457b5763f R13: ffff8803d67f786a R14: ffff8803fea03730 R15: ffffffffa0098e90 FS: 0000000000000000(0000) GS:ffff8803fea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff880457b5763f CR3: 0000000001a0c000 CR4: 00000000001407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper/5 (pid: 0, threadinfo ffff8803ee18c000, task ffff8803ee18a480) Stack: ffff8803d822a080 000000000000001c ffff8803fea036c8 ffffffffa000937a ffffffff81f0d8a0 000000038135fdd5 ffff880300000014 ffff880300110000 ffffffff150118ac ffff8803d7e8a000 ffff88031e0118ac 0000000000000000 Call Trace: <IRQ> [<ffffffffa000937a>] ip_vs_sip_fill_param+0x13a/0x187 [ip_vs_pe_sip] [<ffffffffa007b209>] ip_vs_sched_persist+0x2c6/0x9c3 [ip_vs] [<ffffffff8107dc53>] ? __lock_acquire+0x677/0x1697 [<ffffffff8100972e>] ? native_sched_clock+0x3c/0x7d [<ffffffff8100972e>] ? native_sched_clock+0x3c/0x7d [<ffffffff810649bc>] ? sched_clock_cpu+0x43/0xcf [<ffffffffa007bb1e>] ip_vs_schedule+0x181/0x4ba [ip_vs] ... Signed-off-by: Hans Schillstrom <hans@schillstrom.com> Acked-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac802154')
0 files changed, 0 insertions, 0 deletions