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56663a40eb
freebsd-dev/sys/netinet
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Bruce M Simpson 56663a40eb Deal with the case where ifma_protospec may be NULL, during 
any IPv4 multicast operations which reference it.

There is a potential race because ifma_protospec is set to NULL
when we discover the underlying ifnet has gone away. This write
is not covered by the IF_ADDR_LOCK, and it's difficult to widen
its scope without making it a recursive lock. It isn't clear why
this manifests more quickly with 802.11 interfaces, but does not
seem to manifest at all with wired interfaces.

With this change, the 802.11 related panics reported by sam@
and cokane@ should go away. It is not the right fix, that requires
more thought before 8.0.

Idea from:	sam
Tested by:	cokane
2009-03-17 14:41:54 +00:00
..
libalias This commit fixes the issue with alias_sctp.c. No 2009-02-14 11:34:57 +00:00
accf_data.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
accf_dns.c Add an accept filter for TCP based DNS requests. It waits until the 2008-07-18 14:44:51 +00:00
accf_http.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
icmp6.h Second round of putting global variables, which were virtualized 2008-12-13 19:13:03 +00:00
icmp_var.h Second round of putting global variables, which were virtualized 2008-12-13 19:13:03 +00:00
if_atm.c This main goals of this project are: 2008-12-15 06:10:57 +00:00
if_atm.h
if_ether.c Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
if_ether.h remove dependency on net/if.h of this header 2009-02-16 15:07:40 +00:00
igmp_var.h Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
igmp.c Deal with the case where ifma_protospec may be NULL, during 2009-03-17 14:41:54 +00:00
igmp.h Merge header file definitions used by the new IGMPv3 implementation. 2009-03-04 03:22:03 +00:00
in_cksum.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
in_gif.c On architectures with strict alignment requirements compensate 2009-03-07 19:08:58 +00:00
in_gif.h
in_mcast.c Deal with the case where ifma_protospec may be NULL, during 2009-03-17 14:41:54 +00:00
in_pcb.c Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
in_pcb.h Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
in_proto.c Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
in_rmx.c For all files including net/vnet.h directly include opt_route.h and 2009-02-27 14:12:05 +00:00
in_systm.h Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
in_var.h Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
in.c Deal with the case where ifma_protospec may be NULL, during 2009-03-17 14:41:54 +00:00
in.h Namespace: Defining htonl() and friends here instead of arpa/inet.h is 2009-03-14 20:16:54 +00:00
ip6.h Start removing IPv6 Type 0 Routing header code. 2009-03-03 13:12:12 +00:00
ip_carp.c This main goals of this project are: 2008-12-15 06:10:57 +00:00
ip_carp.h
ip_divert.c Adds support for SCTP checksum offload. This means 2009-02-03 11:00:43 +00:00
ip_divert.h
ip_dummynet.c curr_time is a 64 bit variable so SYSCTL_LONG is not appropriate 2009-03-02 22:16:50 +00:00
ip_dummynet.h Type of q_time (start of queue idle time) has changed: uint32_t -> uint64_t. 2008-10-28 14:14:57 +00:00
ip_ecn.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_ecn.h
ip_encap.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_encap.h
ip_fastfwd.c This main goals of this project are: 2008-12-15 06:10:57 +00:00
ip_fw2.c fw_debug has been unused for ages, so remove it from the list 2009-03-02 22:11:48 +00:00
ip_fw_nat.c Add SCTP NAT support. 2009-02-07 18:49:42 +00:00
ip_fw_pfil.c correct some #include 2009-02-16 15:10:51 +00:00
ip_fw.h fw_debug has been unused for ages, so remove it from the list 2009-03-02 22:11:48 +00:00
ip_gre.c Enqueue de-capsulated packet instead of performing direct dispatch. It's 2008-07-04 21:01:30 +00:00
ip_gre.h
ip_icmp.c Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
ip_icmp.h Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
ip_id.c Rather than using hidden includes (with cicular dependencies), 2008-12-02 21:37:28 +00:00
ip_input.c Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
ip_ipsec.c Try to remove/assimilate as much of formerly IPv4/6 specific 2009-02-08 09:27:07 +00:00
ip_ipsec.h Take the route mtu into account, if available, when sending an 2008-04-09 05:17:18 +00:00
ip_mroute.c Rather than using hidden includes (with cicular dependencies), 2008-12-02 21:37:28 +00:00
ip_mroute.h Add code to allow the system to handle multiple routing tables. 2008-05-09 23:03:00 +00:00
ip_options.c Add function ip_checkrouteralert(), which will be used 2009-03-04 02:51:22 +00:00
ip_options.h Add function ip_checkrouteralert(), which will be used 2009-03-04 02:51:22 +00:00
ip_output.c In ip_output(), do not acquire the IN_MULTI_LOCK(), 2009-03-04 03:45:34 +00:00
ip_var.h Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
ip.h Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
pim_var.h
pim.h
raw_ip.c Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
sctp_asconf.c Code from the hack-session known as the IETF (and a 2008-12-06 13:19:54 +00:00
sctp_asconf.h Code from the hack-session known as the IETF (and a 2008-12-06 13:19:54 +00:00
sctp_auth.c - Cleanup checksum code. 2009-02-03 11:04:03 +00:00
sctp_auth.h Code from the hack-session known as the IETF (and a 2008-12-06 13:19:54 +00:00
sctp_bsd_addr.c Nit 2008-08-09 11:28:57 +00:00
sctp_bsd_addr.h 1) Adds the rest of the VIMAGE change macros 2008-07-09 16:45:30 +00:00
sctp_cc_functions.c - Macro-izes the packed declaration in all headers. 2008-06-14 07:58:05 +00:00
sctp_cc_functions.h 1) Adds the rest of the VIMAGE change macros 2008-07-09 16:45:30 +00:00
sctp_constants.h Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctp_crc32.c Fix the add stream feature of strm-reset to really work: 2009-02-27 20:54:45 +00:00
sctp_crc32.h This commit fixes the issue with alias_sctp.c. No 2009-02-14 11:34:57 +00:00
sctp_header.h Add the add-stream capability. Still needs more 2009-02-20 15:03:54 +00:00
sctp_indata.c Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctp_indata.h Code from the hack-session known as the IETF (and a 2008-12-06 13:19:54 +00:00
sctp_input.c Fix the add stream feature of strm-reset to really work: 2009-02-27 20:54:45 +00:00
sctp_input.h 1) Adds the rest of the VIMAGE change macros 2008-07-09 16:45:30 +00:00
sctp_lock_bsd.h - Make strict-sacks be the default. 2008-08-28 09:44:07 +00:00
sctp_os_bsd.h - PR-SCTP bug, where the CUM-ACK was not being updated 2009-03-04 20:54:42 +00:00
sctp_os.h
sctp_output.c Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctp_output.h Fix the add stream feature of strm-reset to really work: 2009-02-27 20:54:45 +00:00
sctp_pcb.c Add the add-stream capability. Still needs more 2009-02-20 15:03:54 +00:00
sctp_pcb.h - Cleanup checksum code. 2009-02-03 11:04:03 +00:00
sctp_peeloff.c - Macro-izes the packed declaration in all headers. 2008-06-14 07:58:05 +00:00
sctp_peeloff.h
sctp_structs.h Opps.. I missed a file on the commit :-) 2009-03-14 23:13:16 +00:00
sctp_sysctl.c Move the new rwnd field down to the very end 2009-02-13 14:43:46 +00:00
sctp_sysctl.h Code from the hack-session known as the IETF (and a 2008-12-06 13:19:54 +00:00
sctp_timer.c Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctp_timer.h Invariants changes that make more sense. 2008-10-27 13:53:31 +00:00
sctp_uio.h Add the add-stream capability. Still needs more 2009-02-20 15:03:54 +00:00
sctp_usrreq.c Fix the add stream feature of strm-reset to really work: 2009-02-27 20:54:45 +00:00
sctp_var.h Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctp.h Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctputil.c Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
sctputil.h Fixes several PR-SCTP releated bugs. 2009-03-14 13:42:13 +00:00
tcp_debug.c To my reading there are no real consumers of ip6_plen (IPv6 2008-09-07 20:44:45 +00:00
tcp_debug.h Use uint32_t instead of n_long and n_time, and uint16_t instead of n_short. 2009-02-13 15:14:43 +00:00
tcp_fsm.h
tcp_hostcache.c Use inc_flags instead of the inc_isipv6 alias which so far 2008-12-17 12:52:34 +00:00
tcp_hostcache.h Add an essential .h file that skipped from the last commit (r185419). 2008-11-28 23:39:25 +00:00
tcp_input.c Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
tcp_lro.c Don't calculate checksum if it has already been validated 2008-08-24 02:31:09 +00:00
tcp_lro.h Add generic TCP LOR into netinet 2008-06-11 22:12:50 +00:00
tcp_offload.c Rather than using hidden includes (with cicular dependencies), 2008-12-02 21:37:28 +00:00
tcp_offload.h - Switch to INP_WLOCK macro from inp_wlock 2008-07-21 21:22:56 +00:00
tcp_output.c Rather than using hidden includes (with cicular dependencies), 2008-12-02 21:37:28 +00:00
tcp_reass.c Rather than using hidden includes (with cicular dependencies), 2008-12-02 21:37:28 +00:00
tcp_sack.c Conditionally compile out V_ globals while instantiating the appropriate 2008-12-10 23:12:39 +00:00
tcp_seq.h
tcp_subr.c Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
tcp_syncache.c Since we allow conditional allocation of labels on syncache entries, 2009-01-11 20:01:43 +00:00
tcp_syncache.h Move syncache flag definitions below data structure, compress some vertical 2008-12-10 11:11:43 +00:00
tcp_timer.c Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
tcp_timer.h
tcp_timewait.c Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
tcp_usrreq.c Correct a number of evolved problems with inp_vflag and inp_flags: 2009-03-15 09:58:31 +00:00
tcp_var.h Add externs to fix build with VIMAGE_GLOBALS after r187289. 2009-01-22 10:29:09 +00:00
tcp.h add rcv_nxt, snd_nxt, and toe offload id to FreeBSD-specific 2008-05-05 20:13:31 +00:00
tcpip.h
toedev.h Don't check if an interface can do tcp offload if there are no offload devices registered on the system. 2008-09-01 05:30:22 +00:00
udp_usrreq.c Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00
udp_var.h Add the ability of an alternate transport protocol 2009-01-06 12:13:40 +00:00
udp.h
vinet.h Merge IGMPv3 and Source-Specific Multicast (SSM) to the FreeBSD 2009-03-09 17:53:05 +00:00