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BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval()

Status: upstream: reported C repro on 2022/02/11 04:42
Reported-by: syzbot+5e6457a20b717fe66d68@syzkaller.appspotmail.com
First crash: 975d, last: 601d
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() dccp C inconclusive 57 5d18h 1007d 0/28 upstream: reported C repro on 2022/01/10 16:16
linux-4.19 BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() C error 14 602d 995d 0/1 upstream: reported C repro on 2022/01/22 17:14
▶ ▼ Fix bisection attempts (9)
Created Duration User Patch Repo Result
2023/01/21 12:58 21m bisect fix linux-4.14.y OK (0) job log log
2022/11/05 01:19 27m bisect fix linux-4.14.y OK (0) job log log
2022/09/10 02:06 27m bisect fix linux-4.14.y OK (0) job log log
2022/08/11 01:15 23m bisect fix linux-4.14.y OK (0) job log log
2022/07/12 00:44 20m bisect fix linux-4.14.y OK (0) job log log
2022/06/12 00:07 20m bisect fix linux-4.14.y OK (0) job log log
2022/05/12 23:40 26m bisect fix linux-4.14.y OK (0) job log log
2022/04/12 23:08 31m bisect fix linux-4.14.y OK (0) job log log
2022/03/13 22:43 25m bisect fix linux-4.14.y OK (0) job log log

Sample crash report:
dccp_xmit_packet: Payload too large (65475) for featneg.
dccp_xmit_packet: Payload too large (65475) for featneg.
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 0 PID: 7965 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
dccp_xmit_packet: Payload too large (65475) for featneg.
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7968 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7968 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7968 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7968 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7968 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
dccp_xmit_packet: Payload too large (65475) for featneg.
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7969 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
dccp_xmit_packet: Payload too large (65475) for featneg.
BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval()
CPU: 1 PID: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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: 7970 Comm: syz-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
dccp_xmit_packet: Payload too large (65475) for featneg.
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
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+0x708/0x880 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+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f65fb48aec9
RSP: 002b:00007ffd9a3f8c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f65fb48aec9
RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffd9a3f8dd8 R09: 00007ffd9a3f8dd8
R10: 00007ffd9a3f8dd8 R11: 0000000000000246 R12: 00007ffd9a3f8c4c
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-executor427 Not tainted 4.14.305-syzkaller #0

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/20 09:15 linux-4.14.y a8ad60f2af58 bcdf85f8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-4-14 BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval()
2022/10/04 03:25 linux-4.14.y 9d5c0b3a8e1a feb56351 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-14 BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval()
2022/02/11 04:41 linux-4.14.y 21ad423fe521 0b33604d .config console log report syz C ci2-linux-4-14 BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval()
* Struck through repros no longer work on HEAD.