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Arnaud Ebalard
5dc121e9a7
XFRM,IPv6: initialize ip6_dst_blackhole_ops.kmem_cachep
ip6_dst_blackhole_ops.kmem_cachep is not expected to be NULL (i.e. to
be initialized) when dst_alloc() is called from ip6_dst_blackhole().
Otherwise, it results in the following (xfrm_larval_drop is now set to
1 by default):
[ 78.697642] Unable to handle kernel paging request for data at address 0x0000004c
[ 78.703449] Faulting instruction address: 0xc0097f54
[ 78.786896] Oops: Kernel access of bad area, sig: 11 [#1]
[ 78.792791] PowerMac
[ 78.798383] Modules linked in: btusb usbhid bluetooth b43 mac80211 cfg80211 ehci_hcd ohci_hcd sungem sungem_phy usbcore ssb
[ 78.804263] NIP: c0097f54 LR: c0334a28 CTR: c002d430
[ 78.809997] REGS: eef19ad0 TRAP: 0300 Not tainted (2.6.27-rc5)
[ 78.815743] MSR: 00001032 <ME,IR,DR> CR: 22242482 XER: 20000000
[ 78.821550] DAR: 0000004c, DSISR: 40000000
[ 78.827278] TASK = eef0df40[3035] 'mip6d' THREAD: eef18000
[ 78.827408] GPR00: 00001032 eef19b80 eef0df40 00000000 00008020 eef19c30 00000001 00000000
[ 78.833249] GPR08: eee5101c c05a5c10 ef9ad500 00000000 24242422 1005787c 00000000 1004f960
[ 78.839151] GPR16: 00000000 10024e90 10050040 48030018 0fe44150 00000000 00000000 eef19c30
[ 78.845046] GPR24: eef19e44 00000000 eef19bf8 efb37c14 eef19bf8 00008020 00009032 c0596064
[ 78.856671] NIP [c0097f54] kmem_cache_alloc+0x20/0x94
[ 78.862581] LR [c0334a28] dst_alloc+0x40/0xc4
[ 78.868451] Call Trace:
[ 78.874252] [eef19b80] [c03c1810] ip6_dst_lookup_tail+0x1c8/0x1dc (unreliable)
[ 78.880222] [eef19ba0] [c0334a28] dst_alloc+0x40/0xc4
[ 78.886164] [eef19bb0] [c03cd698] ip6_dst_blackhole+0x28/0x1cc
[ 78.892090] [eef19be0] [c03d9be8] rawv6_sendmsg+0x75c/0xc88
[ 78.897999] [eef19cb0] [c038bca4] inet_sendmsg+0x4c/0x78
[ 78.903907] [eef19cd0] [c03207c8] sock_sendmsg+0xac/0xe4
[ 78.909734] [eef19db0] [c03209e4] sys_sendmsg+0x1e4/0x2a0
[ 78.915540] [eef19f00] [c03220a8] sys_socketcall+0xfc/0x210
[ 78.921406] [eef19f40] [c0014b3c] ret_from_syscall+0x0/0x38
[ 78.927295] --- Exception: c01 at 0xfe2d730
[ 78.927297] LR = 0xfe2d71c
[ 78.939019] Instruction dump:
[ 78.944835] 91640018 9144001c 900a0000 4bffff44 9421ffe0 7c0802a6 bf810010 7c9d2378
[ 78.950694] 90010024 7fc000a6 57c0045e 7c000124 <83e3004c> 8383005c 2f9f0000 419e0050
[ 78.956464] ---[ end trace 05fa1ed7972487a1 ]---
As commented by Benjamin Thery, the bug was introduced by
f2fc6a5458, while adding network
namespaces support to ipv6 routes.
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Acked-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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17 years ago |
| .. |
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netfilter
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netfilter: ip6t_{hbh,dst}: Rejects not-strict mode on rule insertion
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17 years ago |
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Kconfig
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ipsec: ipcomp - Merge IPComp implementations
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17 years ago |
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Makefile
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[IPV6] MROUTE: Support multicast forwarding.
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17 years ago |
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addrconf.c
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ipv6: protocol for address routes
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17 years ago |
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addrconf_core.c
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…
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addrlabel.c
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ipv6 netns: Address labels per namespace
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17 years ago |
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af_inet6.c
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net: missing bits of net-namespace / sysctl
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17 years ago |
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ah6.c
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[IPSEC]: Fix bogus usage of u64 on input sequence number
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17 years ago |
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anycast.c
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ipv6 netns: Make several "global" sysctl variables namespace aware.
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17 years ago |
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datagram.c
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IPv6: datagram_send_ctl() should exit immediately when an error occured
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17 years ago |
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esp6.c
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ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outer
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17 years ago |
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exthdrs.c
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ipv6 netns: Make several "global" sysctl variables namespace aware.
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17 years ago |
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exthdrs_core.c
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…
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fib6_rules.c
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netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()
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17 years ago |
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icmp.c
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icmp: icmp_sk() should not use smp_processor_id() in preemptible code
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17 years ago |
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inet6_connection_sock.c
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net: convert BUG_TRAP to generic WARN_ON
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17 years ago |
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inet6_hashtables.c
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net: convert BUG_TRAP to generic WARN_ON
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17 years ago |
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ip6_fib.c
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netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()
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17 years ago |
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ip6_flowlabel.c
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[IPV6] NETNS: Handle ancillary data in appropriate namespace.
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17 years ago |
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ip6_input.c
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ipv6 netns: Make several "global" sysctl variables namespace aware.
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17 years ago |
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ip6_output.c
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ipv6: Fix OOPS in ip6_dst_lookup_tail().
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17 years ago |
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ip6_tunnel.c
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net: remove CVS keywords
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17 years ago |
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ip6mr.c
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netns: Use net_eq() to compare net-namespaces for optimization.
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17 years ago |
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ipcomp6.c
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ipcomp: Fix warnings after ipcomp consolidation.
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17 years ago |
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ipv6_sockglue.c
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ipv6: Fix the return interface index when get it while no message is received.
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17 years ago |
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mcast.c
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ipv6 mcast: Omit redundant address family checks in ip6_mc_source().
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17 years ago |
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mip6.c
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net: convert BUG_TRAP to generic WARN_ON
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17 years ago |
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ndisc.c
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netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()
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17 years ago |
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netfilter.c
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[NETFILTER]: Add partial checksum validation helper
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17 years ago |
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proc.c
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ipv6: Fix useless proc net sockstat6 removal
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17 years ago |
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protocol.c
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net: remove CVS keywords
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17 years ago |
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raw.c
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ipv6: When we droped a packet, we should return NET_RX_DROP instead of 0
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17 years ago |
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reassembly.c
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net: convert BUG_TRAP to generic WARN_ON
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17 years ago |
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route.c
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XFRM,IPv6: initialize ip6_dst_blackhole_ops.kmem_cachep
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17 years ago |
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sit.c
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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17 years ago |
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syncookies.c
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ipv6: syncookies: free reqsk on xfrm_lookup error
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17 years ago |
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sysctl_net_ipv6.c
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ipv6: sysctl fixes
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17 years ago |
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tcp_ipv6.c
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ipv6: NULL pointer dereferrence in tcp_v6_send_ack
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17 years ago |
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tunnel6.c
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[IPV6] TUNNEL6: Fix incoming packet length check for inter-protocol tunnel.
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17 years ago |
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udp.c
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udp: Drop socket lock for encapsulated packets
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17 years ago |
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udp_impl.h
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net: change proto destroy method to return void
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17 years ago |
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udplite.c
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net: remove CVS keywords
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17 years ago |
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xfrm6_input.c
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[XFRM] IPV6: Optimize xfrm6_input_addr().
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17 years ago |
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xfrm6_mode_beet.c
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ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outer
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17 years ago |
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xfrm6_mode_ro.c
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…
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xfrm6_mode_transport.c
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…
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xfrm6_mode_tunnel.c
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[IPSEC]: Fix inter address family IPsec tunnel handling.
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17 years ago |
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xfrm6_output.c
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[IPSEC]: Fix inter address family IPsec tunnel handling.
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17 years ago |
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xfrm6_policy.c
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netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()
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17 years ago |
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xfrm6_state.c
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
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17 years ago |
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xfrm6_tunnel.c
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[XFRM] IPV6: Optimize __xfrm_tunnel_alloc_spi().
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17 years ago |
