BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:414/tfrc_rx_hist_sample_rtt()
CPU: 1 PID: 5129 Comm: kworker/1:4 Not tainted 6.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
tfrc_rx_hist_sample_rtt+0x3db/0x4a0 net/dccp/ccids/lib/packet_history.c:414
ccid3_hc_rx_packet_recv+0x844/0xf10 net/dccp/ccids/ccid3.c:760
ccid_hc_rx_packet_recv net/dccp/ccid.h:182 [inline]
dccp_deliver_input_to_ccids+0xe3/0x260 net/dccp/input.c:176
dccp_rcv_established net/dccp/input.c:374 [inline]
dccp_rcv_established+0x106/0x160 net/dccp/input.c:364
dccp_v4_do_rcv+0x169/0x1a0 net/dccp/ipv4.c:675
sk_backlog_rcv include/net/sock.h:1121 [inline]
__sk_receive_skb+0x2a8/0xba0 net/core/sock.c:571
dccp_v4_rcv+0x1282/0x1a00 net/dccp/ipv4.c:898
ip_protocol_deliver_rcu+0x9f/0x480 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2e4/0x510 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:304 [inline]
NF_HOOK include/linux/netfilter.h:298 [inline]
ip_local_deliver+0x1b6/0x550 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:468 [inline]
ip_rcv_finish+0x1c4/0x2e0 net/ipv4/ip_input.c:449
NF_HOOK include/linux/netfilter.h:304 [inline]
NF_HOOK include/linux/netfilter.h:298 [inline]
ip_rcv+0xc9/0x430 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5523
__netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5637
process_backlog+0x101/0x6b0 net/core/dev.c:5965
__napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6527
napi_poll net/core/dev.c:6594 [inline]
net_rx_action+0x956/0xe90 net/core/dev.c:6727
__do_softirq+0x218/0x965 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 8a 47 26 f7 48 89 df e8 82 c6 26 f7 e8 bd 41 4c f7 fb bf 01 00 00 00 42 30 18 f7 65 8b 05 53 84 c2 75 85 c0 74 02 5b c3 e8 20 49 bf
RSP: 0018:ffffc9000367fce0 EFLAGS: 00000206
RAX: 00000000000c3993 RBX: ffff8880b993bf00 RCX: 1ffffffff1d9ad19
RDX: 0000000000000000 RSI: ffffffff8a8c9b00 RDI: 0000000000000001
RBP: ffffe8ffffd7f278 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8ecd9a57 R11: 0000000000000000 R12: ffff88802bb0d800
R13: ffffffff8154ad97 R14: 0000000000000080 R15: ffff8880b993bf00
process_one_work+0x78c/0x15c0 kernel/workqueue.c:2603
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
kthread+0x33c/0x440 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
----------------
Code disassembly (best guess):
0: 90 nop
1: f3 0f 1e fa endbr64
5: 53 push %rbx
6: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
b: 48 89 fb mov %rdi,%rbx
e: 48 83 c7 18 add $0x18,%rdi
12: e8 8a 47 26 f7 call 0xf72647a1
17: 48 89 df mov %rbx,%rdi
1a: e8 82 c6 26 f7 call 0xf726c6a1
1f: e8 bd 41 4c f7 call 0xf74c41e1
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 42 30 18 f7 call 0xf7183071 <-- trapping instruction
2f: 65 8b 05 53 84 c2 75 mov %gs:0x75c28453(%rip),%eax # 0x75c28489
36: 85 c0 test %eax,%eax
38: 74 02 je 0x3c
3a: 5b pop %rbx
3b: c3 ret
3c: e8 .byte 0xe8
3d: 20 49 bf and %cl,-0x41(%rcx)