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Date: Wed, 06 Dec 2017 13:40:00 -0800
From: syzbot
<bot+3ca02e1a9272a28e8959b32039154c5605164653@...kaller.appspotmail.com>
To: davem@...emloft.net, dccp@...r.kernel.org, garsilva@...eddedor.com,
gerrit@....abdn.ac.uk, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_hist_sample_rtt()
syzkaller has found reproducer for the following crash on
e56d565d67ae7dd6b25ce6a331c43e691ff1d247
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
compiler: gcc (GCC) 7.1.1 20170620
.config is attached
Raw console output is attached.
syzkaller reproducer is attached. See https://goo.gl/kgGztJ
for information about syzkaller reproducers
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3143 Comm: syz-executor0 Not tainted 4.15.0-rc2+ #210
dccp_close: ABORT with 36 bytes unread
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
dccp_close: ABORT with 36 bytes unread
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
dccp_close: ABORT with 36 bytes unread
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
dccp_close: ABORT with 36 bytes unread
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_close: ABORT with 36 bytes unread
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f550aae2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f550aae3700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffc255caf30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffc255caeaf R14: 00007f550aae39c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3225 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fcec03c2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcec03c3700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffef4f0a5c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffef4f0a53f R14: 00007fcec03c39c0 R15: 000000000000000a
CPU: 0 PID: 3258 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007ff4ae741c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff4ae742700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffe84eb1010 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffe84eb0f8f R14: 00007ff4ae7429c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3287 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fcec03c2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcec03c3700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffef4f0a5c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffef4f0a53f R14: 00007fcec03c39c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3288 Comm: syz-executor5 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f4287754c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4287755700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffd224ea870 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffd224ea7ef R14: 00007f42877559c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3291 Comm: syz-executor0 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f550aae2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f550aae3700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffc255caf30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffc255caeaf R14: 00007f550aae39c0 R15: 000000000000000a
CPU: 0 PID: 3286 Comm: syz-executor2 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fbfe66aac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbfe66ab700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffd503dc890 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffd503dc80f R14: 00007fbfe66ab9c0 R15: 000000000000000a
net_ratelimit: 46 callbacks suppressed
dccp_close: ABORT with 36 bytes unread
nla_parse: 101 callbacks suppressed
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor0'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor5'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor3'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor4'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor2'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor6'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor1'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor0'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor5'.
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
dccp_close: ABORT with 36 bytes unread
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3398 Comm: syz-executor7 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f9e55414c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9e55415700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffc6e18ab90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffc6e18ab0f R14: 00007f9e554159c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3414 Comm: syz-executor1 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fe376789c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 0000000000000471 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3b38
R13: 00000000ffffffff R14: 00007fe37678a6d4 R15: 0000000000000000
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3449 Comm: syz-executor2 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fbfe66aac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fbfe66ab700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffd503dc890 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffd503dc80f R14: 00007fbfe66ab9c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 3450 Comm: syz-executor6 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007ff4ae741c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff4ae742700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffe84eb1010 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffe84eb0f8f R14: 00007ff4ae7429c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3479 Comm: syz-executor7 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4526
process_backlog+0x203/0x740 net/core/dev.c:5205
napi_poll net/core/dev.c:5603 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5669
__do_softirq+0x29d/0xbb2 kernel/softirq.c:285
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:984
</IRQ>
do_softirq.part.19+0x14d/0x190 kernel/softirq.c:329
do_softirq kernel/softirq.c:177 [inline]
__local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182
local_bh_enable include/linux/bottom_half.h:32 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline]
ip_finish_output2+0x8ad/0x1460 net/ipv4/ip_output.c:231
ip_finish_output+0x85e/0xd10 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:239 [inline]
ip_output+0x1cc/0x860 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:460 [inline]
ip_local_out+0x95/0x160 net/ipv4/ip_output.c:124
ip_queue_xmit+0x8c6/0x18e0 net/ipv4/ip_output.c:504
dccp_transmit_skb+0x9ac/0x10f0 net/dccp/output.c:142
dccp_xmit_packet+0x20f/0x730 net/dccp/output.c:281
dccp_write_xmit+0x17d/0x1d0 net/dccp/output.c:363
dccp_sendmsg+0x6d0/0xa80 net/dccp/proto.c:803
inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:763
sock_sendmsg_nosec net/socket.c:632 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:642
sock_write_iter+0x320/0x5e0 net/socket.c:911
call_write_iter include/linux/fs.h:1772 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x68a/0x970 fs/read_write.c:482
vfs_write+0x18f/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f9e55414c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9e55415700 RCX: 0000000000452a39
RDX: 000000000000005a RSI: 000000002077f000 RDI: 0000000000000005
RBP: 00007ffc6e18ab90 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 00007ffc6e18ab0f R14: 00007f9e554159c0 R15: 000000000000000a
BUG: please report to dccp@...r.kernel.org => prev = 0, last = 0 at
net/dccp/ccids/lib/packet_history.c:425/tfrc_rx_hist_sample_rtt()
CPU: 0 PID: 3482 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #210
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
tfrc_rx_hist_sample_rtt+0x407/0x4d0 net/dccp/ccids/lib/packet_history.c:422
ccid3_hc_rx_packet_recv+0x690/0xea7 net/dccp/ccids/ccid3.c:765
ccid_hc_rx_packet_recv net/dccp/ccid.h:185 [inline]
dccp_deliver_input_to_ccids+0xd9/0x250 net/dccp/input.c:180
dccp_rcv_established+0x88/0xb0 net/dccp/input.c:378
dccp_v4_do_rcv+0x12f/0x160 net/dccp/ipv4.c:653
sk_backlog_rcv include/net/sock.h:911 [inline]
__sk_receive_skb+0x33e/0xc20 net/core/sock.c:511
dccp_v4_rcv+0xef1/0x1c00 net/dccp/ipv4.c:874
ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_local_deliver+0x1ce/0x6e0 net/ipv4/ip_input.c:257
dst_input include/net/dst.h:466 [inline]
ip_rcv_finish+0x887/0x19a0 net/ipv4/ip_input.c:397
NF_HOOK include/linux/netfilter.h:250 [inline]
ip_rcv+0xc3f/0x1820 net/ipv4/ip_input.c:493
__netif_receive_skb_core+0x1a3e/0x3450 net/core/dev.c:4461
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