BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7957 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7958 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7959 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7960 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7961 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7964 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7965 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7966 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 0 PID: 7968 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 0 PID: 7970 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7971 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7972 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7973 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7974 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 0 PID: 7975 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7976 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7977 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7978 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7982 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 0 PID: 7983 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7984 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7985 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7986 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7987 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7988 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7989 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7990 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7991 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7992 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7993 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7994 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7999 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8000 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8001 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8002 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8003 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8004 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 0 PID: 8006 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8007 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f0d6280eef9
RSP: 002b:00007ffc984a0bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d6280eef9
RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc984a0d98
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc984a0c0c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 8008 Comm: syz-executor909 Not tainted 4.14.265-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101
 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline]
 ccid3_hc_tx_packet_sent+0x10f/0x140 net/dccp/ccids/ccid3.c:361
 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline]
 dccp_xmit_packet+0x24b/0x6d0 net/dccp/output.c:289
 dccp_write_xmit+0x140/0x1a0 net/dccp/output.c:363
 dccp_sendmsg+0x6f6/0x890 net/dccp/proto.c:811
 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x326/0x800 net/socket.c:2062