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629029d020
freebsd-skq/sys
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ae 629029d020 Clear h/w csum flags on mbuf handled by UDP. 
When checksums of received IP and UDP header already checked, UDP uses
sbappendaddr_locked() to pass received data to the socket.
sbappendaddr_locked() uses given mbuf as is, and if NIC supports checksum
offloading, mbuf contains csum_data and csum_flags that were calculated
for already stripped headers. Some NICs support only limited checksums
offloading and do not use CSUM_PSEUDO_HDR flag, and csum_data contains
some value that UDP/TCP should use for pseudo header checksum calculation.

When L2TP is used for tunneling with mpd5, ng_ksocket receives mbuf with
filled csum_flags and csum_data, that were calculated for outer headers.
When L2TP header is stripped, a packet that was tunneled goes to the IP
layer and due to presence of csum_flags (without CSUM_PSEUDO_HDR) and
csum_data, the UDP/TCP checksum check fails for this packet.

Reported by:	Irina Liakh <spell at itl ua>
Tested by:	Irina Liakh <spell at itl ua>
MFC after:	1 week
2017-04-13 17:03:57 +00:00
..
amd64 Map DMAP as nx. 2017-04-13 15:49:55 +00:00
arm Use proper fields to check for interrupt trigger mode. 2017-04-13 14:23:27 +00:00
arm64 Rather than checking if the top bit in a virtual address is a 0 or 1 2017-04-13 16:57:02 +00:00
boot loader/multiboot: fix multiboot loading 2017-04-13 09:59:12 +00:00
bsm Merge OpenBSM 1.2-alpha5 from vendor branch to FreeBSD -CURRENT: 2017-03-26 21:14:49 +00:00
cam Fix few minor issues found by Clang Analyzer. 2017-04-09 07:54:39 +00:00
cddl Fix vdev_geom_attach_by_guids for partitioned disks 2017-04-13 14:51:34 +00:00
compat Import CK as of commit 6b141c0bdd21ce8b3e14147af8f87f22b20ecf32 2017-04-09 21:02:05 +00:00
conf Disable fformat-extensions for RISC-V target as GCC 6.1 external compiler 2017-04-12 10:40:30 +00:00
contrib Import CK as of commit 6b141c0bdd21ce8b3e14147af8f87f22b20ecf32 2017-04-09 21:02:05 +00:00
crypto Implement boot-time encryption key passing (keybuf) 2017-04-01 05:05:22 +00:00
ddb Fix printing of negative offsets (typically from frame pointers) again. 2017-03-26 18:46:35 +00:00
dev Update list of Conexant and Realtek codecs. 2017-04-13 14:40:48 +00:00
fs Fix the NFS client for "text file modified, process killed" mmap'd case. 2017-04-12 21:37:12 +00:00
gdb
geom Handle NULL entries in gmirror disk ds_bios arrays. 2017-04-10 17:15:59 +00:00
gnu Update our device tree files to a Linux 4.10 2017-03-07 13:56:49 +00:00
i386 Corrected misspelled versions of rendezvous. 2017-04-09 02:00:03 +00:00
isa Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kern Don't prefix zero with 0x in assym.s. 2017-04-13 15:43:44 +00:00
kgssapi
libkern Use inline asm instead of unportable intrinsics for the SSE4 crc32 2017-03-26 10:31:48 +00:00
mips This file is also used in libcompiler_rt, so bring in stdbool.h if we're not 2017-04-11 13:31:27 +00:00
modules Remove the last vestiges of FDC_DEBUG & FD_DEBUG 2017-04-07 16:14:25 +00:00
net Inherit IPv6 checksum offloading flags to vlan interfaces. 2017-04-11 19:23:25 +00:00
net80211 [net80211] refactor out "add slot" and "purge slot" for A-MPDU. 2017-04-11 07:05:55 +00:00
netgraph mppc - Finish pluging NETGRAPH_MPPC_COMPRESSION. 2017-01-20 00:02:11 +00:00
netinet Clear h/w csum flags on mbuf handled by UDP. 2017-04-13 17:03:57 +00:00
netinet6 Clear h/w csum flags on mbuf handled by UDP. 2017-04-13 17:03:57 +00:00
netipsec Add large replay widow support to setkey(8) and libipsec. 2017-04-13 14:44:17 +00:00
netnatm
netpfil Remove "IPFW static rules" rmlock. 2017-04-03 13:35:04 +00:00
netsmb
nfs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nfsclient Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nfsserver Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nlm
ofed Add full VNET support to the inet_get_local_port_range() function in 2017-03-22 15:46:31 +00:00
opencrypto Don't leak a session and lock if a GMAC key has an invalid length. 2017-04-05 01:46:41 +00:00
powerpc Corrected misspelled versions of rendezvous. 2017-04-09 02:00:03 +00:00
riscv Provide a NULL pointer to device tree blob so GENERIC kernel 2017-04-12 10:34:50 +00:00
rpc Fix a crash during unmount of an NFSv4.1 mount. 2017-04-10 22:47:18 +00:00
security Break audit_bsm_klib.c into two files: one (audit_bsm_klib.c) 2017-04-03 10:15:58 +00:00
sparc64 Corrected misspelled versions of rendezvous. 2017-04-09 02:00:03 +00:00
sys Bump __FreeBSD_version due to r316648, rename of 2017-04-10 17:59:29 +00:00
teken Oops, my fix for bright colors broke bright black some more (in cases 2017-03-27 10:48:28 +00:00
tests
tools [fdt] Make DTBs generated by make_dtb.sh overlay-ready 2017-03-10 22:45:07 +00:00
ufs ufs: Export UFS_MAXNAMLEN to pathconf, statfs 2017-04-05 01:44:03 +00:00
vm Busy the map in vm_map_protect(). 2017-04-10 21:01:42 +00:00
x86 Corrected misspelled versions of rendezvous. 2017-04-09 02:00:03 +00:00
xdr
xen xenstore: fix suspension when using the xenstore device 2017-03-07 09:17:48 +00:00
Makefile Remove pc98 support completely. 2017-01-28 02:22:15 +00:00