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opnsense-src/sys/net
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Ryan Stone 7d309e8e40 Fix reference to free memory in ixgbe/if_media.c 
When ixgbe receives an interrupt indicating that a new optical module
may have been inserted, it discards all of its current media types
by calling ifmedia_removeall() and then creates a new set of media
types for the supported media on the new module.  However,
ifmedia_removeall() was maintaining a pointer to whatever the
current media type was before the call to ifmedia_removealL().
The result of this was that any attempt to read the current media
type of the interface (e.g. via ifconfig) would return potentially
garbage data from free memory (or if one were particularly unlucky
on an architecture that does not malloc() from a direct map, page
fault the kernel).

Fix this by NULL'ing out the current media field in if_media.c,
and have ixgbe update the current media type after recreating
them.

Submitted by:	Matt Joras <matt.joras AT gmail DOT com>
Reviewed by:	sbruno, erj
MFC after:	1 week
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D9164
2017-01-20 17:16:48 +00:00
..
altq Remove an alias if_list, use if_link consistently. 2016-10-06 00:51:27 +00:00
bpf.c Hide the boottime and bootimebin globals, provide the getboottime(9) 2016-07-27 11:08:59 +00:00
bpf.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
bpf_buffer.c Remove the sleep from the buffer allocation routine. 2015-07-31 20:25:54 +00:00
bpf_buffer.h Call bpf_jitter() before acquiring BPF global lock due to malloc() being used inside bpf_jitter. 2012-05-21 22:19:19 +00:00
bpf_filter.c Implement BPF_MOD and BPF_XOR instructions. 2016-10-21 06:55:07 +00:00
bpf_jitter.c
bpf_jitter.h
bpf_zerocopy.c - Modify vm_page_unwire() and vm_page_enqueue() to directly accept 2014-06-16 18:15:27 +00:00
bpf_zerocopy.h - Fix trivial typo 2012-01-14 17:07:52 +00:00
bpfdesc.h Changes to resolve races in bpfread() and catchpacket() that, at worst, 2012-12-10 16:14:44 +00:00
bridgestp.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
bridgestp.h Move the interface media check to a taskqueue, some interfaces (usb) sleep 2012-04-20 10:06:28 +00:00
ethernet.h net/vlan: Shift for pri is 13 (pri mask 0xe000) not 1. 2016-09-01 06:32:35 +00:00
fddi.h
firewire.h
flowtable.c Add variable declaration missing in r302372. 2016-07-06 17:46:49 +00:00
flowtable.h Add my copyright to flowtable. 2014-02-17 12:07:17 +00:00
ieee8023ad_lacp.c Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
ieee8023ad_lacp.h Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
ieee_oui.h Bump bhyve allocation up to 20 bits to avoid 2014-05-20 02:59:13 +00:00
if.c if: Defer the if_up until the ifnet.if_ioctl is called. 2017-01-06 05:10:49 +00:00
if.h Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
if_arc.h Replace 'struct route *' if_output() argument with 'struct nhop_info *'. 2014-11-09 16:33:04 +00:00
if_arcsubr.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
if_arp.h Remove struct arpcom. It is unused by most interface types, that allocate 2014-11-07 15:14:10 +00:00
if_atm.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
if_atmsubr.c sys/net* : for pointers replace 0 with NULL. 2016-04-15 17:30:33 +00:00
if_bridge.c Remove excess CTLFLAG_VNET 2016-10-26 23:40:07 +00:00
if_bridgevar.h
if_clone.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
if_clone.h Fix group membership of cloned interfaces when one is moved by 2015-03-02 20:00:03 +00:00
if_dead.c Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
if_debug.c Add more fields to if_debug.c for ddb(4) 'show ifnet'; resort 2016-06-22 12:53:10 +00:00
if_disc.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
if_dl.h Constantify lookup key in ifa_ifwith* functions. 2015-09-05 05:33:20 +00:00
if_edsc.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
if_enc.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
if_enc.h Overhaul if_enc(4) and make it loadable in run-time. 2015-11-25 07:31:59 +00:00
if_epair.c Teach netisr_get_cpuid() to limit a given value to supported by netisr. 2016-08-17 20:21:33 +00:00
if_ethersubr.c Extract out the various local definitions of ETHER_IS_BROADCAST() and 2016-08-07 03:48:33 +00:00
if_fddisubr.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
if_fwsubr.c This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +00:00
if_gif.c Extract out the various local definitions of ETHER_IS_BROADCAST() and 2016-08-07 03:48:33 +00:00
if_gif.h - Remove GIF_{SEND,ACCEPT}_REVETHIP. 2015-09-10 05:59:39 +00:00
if_gre.c Cleanup unnecessary semicolons from the kernel. 2016-04-10 23:07:00 +00:00
if_gre.h Extern declarations in C files loses compile-time checking that 2014-12-25 21:32:37 +00:00
if_iso88025subr.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
if_lagg.c Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
if_lagg.h Revert accidental submit of WIP as part of r297609 2016-04-06 04:58:20 +00:00
if_llatbl.c Make LLTABLE list lock private for if_llatbl.c 2016-10-11 17:41:13 +00:00
if_llatbl.h Make LLTABLE list lock private for if_llatbl.c 2016-10-11 17:41:13 +00:00
if_llc.h
if_loop.c Clear mbuf hashtype on loopback when RSS is enabled. 2016-10-20 13:48:29 +00:00
if_me.c Add IFCAP_LINKSTATE support. 2015-10-03 09:15:23 +00:00
if_media.c Fix reference to free memory in ixgbe/if_media.c 2017-01-20 17:16:48 +00:00
if_media.h [net80211] add VHT media types in the media layer. 2017-01-05 04:49:23 +00:00
if_mib.c These files were getting sys/malloc.h and vm/uma.h with header pollution 2016-02-01 17:41:21 +00:00
if_mib.h
if_pflog.h o Create directory sys/netpfil, where all packet filters should 2012-09-14 11:51:49 +00:00
if_pfsync.h Remove more constants related to static sysctl nodes. The MAXID constants 2014-02-25 18:44:33 +00:00
if_sppp.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
if_spppfr.c Mechanically convert to if_inc_counter(). 2014-09-19 10:39:58 +00:00
if_spppsubr.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
if_stf.c Convert if_stf(4) to new routing api. 2015-12-16 09:18:20 +00:00
if_tap.c if_tap: correct typo in sysctl description (Enably) 2015-10-21 19:56:16 +00:00
if_tap.h
if_tapvar.h Revert part of an earlier patch attempt that snuck in with r240938. 2012-09-25 23:41:45 +00:00
if_tun.c Allow writing IP packets of length TUNMRU no matter if TUNSIFHEAD is set 2016-05-19 13:52:12 +00:00
if_tun.h Allow an MTU of 65535 bytes to be set via TUN[SG]IFINFO. This requires 2016-05-24 11:47:14 +00:00
if_types.h After r281643 an #ifdef IFT_FOO preprocessor directive returns false, 2015-05-02 20:37:40 +00:00
if_var.h Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
if_vlan.c Implement kernel support for hardware rate limited sockets. 2017-01-18 13:31:17 +00:00
if_vlan_var.h Add support to priority code point (PCP) that is an 3-bit field 2016-06-06 09:51:58 +00:00
if_vxlan.c net: Use M_HASHTYPE_OPAQUE_HASH if the mbuf flowid has hash properties 2016-06-07 04:51:50 +00:00
if_vxlan.h Add vxlan interface 2014-10-20 14:42:42 +00:00
ifdi_if.m 2017 IFLIB updates in preparation for commits to e1000 and ixgbe. 2017-01-02 00:56:33 +00:00
iflib.c Fix hangs in a uniprocessor configuration (qemu, virtualbox, real hw). 2017-01-15 00:50:10 +00:00
iflib.h 2017 IFLIB updates in preparation for commits to e1000 and ixgbe. 2017-01-02 00:56:33 +00:00
ifq.h buf_ring/drbr: Add buf_ring_peek_clear_sc and use it in drbr_peek 2016-02-29 03:54:51 +00:00
iso88025.h Replace 'struct route *' if_output() argument with 'struct nhop_info *'. 2014-11-09 16:33:04 +00:00
mp_ring.c sys/net: more spelling. 2016-05-19 16:28:05 +00:00
mp_ring.h Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
mppc.h ng_mppc(4): Bring netgraph(3) MPPC compression support. 2016-06-07 15:07:00 +00:00
mppcc.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
mppcd.c ng_mppc(4):: basic readability cleanups. 2016-07-09 02:33:45 +00:00
netisr.c Teach netisr_get_cpuid() to limit a given value to supported by netisr. 2016-08-17 20:21:33 +00:00
netisr.h Introduce a per-VNET flag to enable/disable netisr prcessing on that VNET. 2016-06-03 13:57:10 +00:00
netisr_internal.h
netmap.h Various fixes for ptnet/ptnetmap (passthrough of netmap ports). In detail: 2016-10-27 09:46:22 +00:00
netmap_user.h remove trailing whitespace. No code changes. 2016-10-18 15:41:57 +00:00
netmap_virt.h Various fixes for ptnet/ptnetmap (passthrough of netmap ports). In detail: 2016-10-27 09:46:22 +00:00
paravirt.h Update to the current version of netmap. 2014-08-16 15:00:01 +00:00
pfil.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
pfil.h Whitespace, style cleanups, and improved comments. 2013-08-24 12:03:24 +00:00
pfkeyv2.h IPsec RFC6479 support for replay window sizes up to 2^32 - 32 packets. 2016-11-25 14:44:49 +00:00
pfvar.h Update pf(4) and pflog(4) to survive basic VNET testing, which includes 2016-06-23 21:34:38 +00:00
ppp_defs.h Allow certain headers to be included more easily. 2013-05-21 21:20:10 +00:00
radix.c radix rn_inithead: Fix minor leak in low memory conditions 2016-04-20 02:01:45 +00:00
radix.h MFP r287070,r287073: split radix implementation and route table structure. 2016-01-25 06:33:15 +00:00
radix_mpath.c radix_mpath: Don't derefence a NULL pointer in for loop iteration 2016-04-26 20:27:17 +00:00
radix_mpath.h MFP r287070,r287073: split radix implementation and route table structure. 2016-01-25 06:33:15 +00:00
raw_cb.c vnet.h needs to be included before raw_cb.h. Now it compiles due to 2013-10-25 19:49:03 +00:00
raw_cb.h
raw_usrreq.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
rndis.h hyperv/hn: Define empty packet filter. 2016-10-27 04:55:19 +00:00
route.c Fix the typos and style(9) in comment. 2016-12-08 18:18:48 +00:00
route.h rtentry: Initialize rt_mtx with MTX_NEW 2016-08-01 23:07:31 +00:00
route_var.h Replace rw_init/rw_destroy with corresponding macros. 2016-10-06 14:42:06 +00:00
rss_config.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
rss_config.h Replace the printf()s with optional rate limited debugging for RSS. 2015-08-28 05:58:16 +00:00
rtsock.c Plug a lock leak in sysctl_ifmalist(). 2016-11-15 19:23:48 +00:00
sff8436.h Add SFF-8024 Extended Specification Compliance 2015-12-28 09:26:07 +00:00
sff8472.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
slcompress.c
slcompress.h
toeplitz.c Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +00:00
toeplitz.h Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +00:00
vnet.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
vnet.h Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00