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7 commits
Author | SHA1 | Message | Date | |
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a7f7f6248d |
treewide: replace '---help---' in Kconfig files with 'help'
Since commit
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d2912cb15b |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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ec8f24b7fa |
treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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bab2c80e5a |
nsh: set mac len based on inner packet
When pulling the NSH header in nsh_gso_segment, set the mac length
based on the encapsulated packet type.
skb_reset_mac_len computes an offset to the network header, which
here still points to the outer packet:
> skb_reset_network_header(skb);
> [...]
> __skb_pull(skb, nsh_len);
> skb_reset_mac_header(skb); // now mac hdr starts nsh_len == 8B after net hdr
> skb_reset_mac_len(skb); // mac len = net hdr - mac hdr == (u16) -8 == 65528
> [..]
> skb_mac_gso_segment(skb, ..)
Link: http://lkml.kernel.org/r/CAF=yD-KeAcTSOn4AxirAxL8m7QAS8GBBe1w09eziYwvPbbUeYA@mail.gmail.com
Reported-by: syzbot+7b9ed9872dab8c32305d@syzkaller.appspotmail.com
Fixes:
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af50e4ba34 |
nsh: fix infinite loop
syzbot caught an infinite recursion in nsh_gso_segment().
Problem here is that we need to make sure the NSH header is of
reasonable length.
BUG: MAX_LOCK_DEPTH too low!
turning off the locking correctness validator.
depth: 48 max: 48!
48 locks held by syz-executor0/10189:
#0: (ptrval) (rcu_read_lock_bh){....}, at: __dev_queue_xmit+0x30f/0x34c0 net/core/dev.c:3517
#1: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#1: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#2: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#2: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#3: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#3: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#4: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#4: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#5: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#5: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#6: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#6: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#7: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#7: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#8: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#8: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#9: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#9: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#10: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#10: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#11: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#11: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#12: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#12: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#13: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#13: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#14: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#14: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#15: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#15: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#16: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#16: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#17: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#17: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#18: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#18: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#19: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#19: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#20: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#20: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#21: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#21: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#22: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#22: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#23: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#23: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#24: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#24: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#25: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#25: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#26: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#26: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#27: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#27: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#28: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#28: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#29: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#29: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#30: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#30: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#31: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#31: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
dccp_close: ABORT with 65423 bytes unread
#32: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#32: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#33: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#33: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#34: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#34: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#35: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#35: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#36: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#36: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#37: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#37: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#38: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#38: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#39: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#39: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#40: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#40: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#41: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#41: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#42: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#42: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#43: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#43: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#44: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#44: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#45: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#45: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#46: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#46: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
#47: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline]
#47: (ptrval) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x221/0x720 net/core/dev.c:2787
INFO: lockdep is turned off.
CPU: 1 PID: 10189 Comm: syz-executor0 Not tainted 4.17.0-rc2+ #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
__lock_acquire+0x1788/0x5140 kernel/locking/lockdep.c:3449
lock_acquire+0x1dc/0x520 kernel/locking/lockdep.c:3920
rcu_lock_acquire include/linux/rcupdate.h:246 [inline]
rcu_read_lock include/linux/rcupdate.h:632 [inline]
skb_mac_gso_segment+0x25b/0x720 net/core/dev.c:2789
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
nsh_gso_segment+0x405/0xb60 net/nsh/nsh.c:107
skb_mac_gso_segment+0x3ad/0x720 net/core/dev.c:2792
__skb_gso_segment+0x3bb/0x870 net/core/dev.c:2865
skb_gso_segment include/linux/netdevice.h:4025 [inline]
validate_xmit_skb+0x54d/0xd90 net/core/dev.c:3118
validate_xmit_skb_list+0xbf/0x120 net/core/dev.c:3168
sch_direct_xmit+0x354/0x11e0 net/sched/sch_generic.c:312
qdisc_restart net/sched/sch_generic.c:399 [inline]
__qdisc_run+0x741/0x1af0 net/sched/sch_generic.c:410
__dev_xmit_skb net/core/dev.c:3243 [inline]
__dev_queue_xmit+0x28ea/0x34c0 net/core/dev.c:3551
dev_queue_xmit+0x17/0x20 net/core/dev.c:3616
packet_snd net/packet/af_packet.c:2951 [inline]
packet_sendmsg+0x40f8/0x6070 net/packet/af_packet.c:2976
sock_sendmsg_nosec net/socket.c:629 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:639
__sys_sendto+0x3d7/0x670 net/socket.c:1789
__do_sys_sendto net/socket.c:1801 [inline]
__se_sys_sendto net/socket.c:1797 [inline]
__x64_sys_sendto+0xe1/0x1a0 net/socket.c:1797
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Fixes:
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b2d0f5d5dc |
openvswitch: enable NSH support
v16->17 - Fixed disputed check code: keep them in nsh_push and nsh_pop but also add them in __ovs_nla_copy_actions v15->v16 - Add csum recalculation for nsh_push, nsh_pop and set_nsh pointed out by Pravin - Move nsh key into the union with ipv4 and ipv6 and add check for nsh key in match_validate pointed out by Pravin - Add nsh check in validate_set and __ovs_nla_copy_actions v14->v15 - Check size in nsh_hdr_from_nlattr - Fixed four small issues pointed out By Jiri and Eric v13->v14 - Rename skb_push_nsh to nsh_push per Dave's comment - Rename skb_pop_nsh to nsh_pop per Dave's comment v12->v13 - Fix NSH header length check in set_nsh v11->v12 - Fix missing changes old comments pointed out - Fix new comments for v11 v10->v11 - Fix the left three disputable comments for v9 but not fixed in v10. v9->v10 - Change struct ovs_key_nsh to struct ovs_nsh_key_base base; __be32 context[NSH_MD1_CONTEXT_SIZE]; - Fix new comments for v9 v8->v9 - Fix build error reported by daily intel build because nsh module isn't selected by openvswitch v7->v8 - Rework nested value and mask for OVS_KEY_ATTR_NSH - Change pop_nsh to adapt to nsh kernel module - Fix many issues per comments from Jiri Benc v6->v7 - Remove NSH GSO patches in v6 because Jiri Benc reworked it as another patch series and they have been merged. - Change it to adapt to nsh kernel module added by NSH GSO patch series v5->v6 - Fix the rest comments for v4. - Add NSH GSO support for VxLAN-gpe + NSH and Eth + NSH. v4->v5 - Fix many comments by Jiri Benc and Eric Garver for v4. v3->v4 - Add new NSH match field ttl - Update NSH header to the latest format which will be final format and won't change per its author's confirmation. - Fix comments for v3. v2->v3 - Change OVS_KEY_ATTR_NSH to nested key to handle length-fixed attributes and length-variable attriubte more flexibly. - Remove struct ovs_action_push_nsh completely - Add code to handle nested attribute for SET_MASKED - Change PUSH_NSH to use the nested OVS_KEY_ATTR_NSH to transfer NSH header data. - Fix comments and coding style issues by Jiri and Eric v1->v2 - Change encap_nsh and decap_nsh to push_nsh and pop_nsh - Dynamically allocate struct ovs_action_push_nsh for length-variable metadata. OVS master and 2.8 branch has merged NSH userspace patch series, this patch is to enable NSH support in kernel data path in order that OVS can support NSH in compat mode by porting this. Signed-off-by: Yi Yang <yi.y.yang@intel.com> Acked-by: Jiri Benc <jbenc@redhat.com> Acked-by: Eric Garver <e@erig.me> Acked-by: Pravin Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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c411ed8545 |
nsh: add GSO support
Add a new nsh/ directory. It currently holds only GSO functions but more will come: in particular, code shared by openvswitch and tc to manipulate NSH headers. For now, assume there's no hardware support for NSH segmentation. We can always introduce netdev->nsh_features later. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |