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: 27 Comm: kworker/1:1 Not tainted 6.6.0-syzkaller-10102-gff269e2cd5ad #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: events nsim_dev_trap_report_work
Call Trace:
 <IRQ>
 __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+0x1298/0x1990 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:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_local_deliver+0x1b6/0x550 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:461 [inline]
 ip_rcv_finish+0x1c4/0x2e0 net/ipv4/ip_input.c:449
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_rcv+0xce/0x440 net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5527
 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5641
 process_backlog+0x101/0x6b0 net/core/dev.c:5969
 __napi_poll.constprop.0+0xb4/0x540 net/core/dev.c:6531
 napi_poll net/core/dev.c:6600 [inline]
 net_rx_action+0x956/0xe90 net/core/dev.c:6733
 __do_softirq+0x21a/0x968 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:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__unwind_start+0x17/0x880 arch/x86/kernel/unwind_orc.c:687
Code: e8 9e 61 a4 00 48 8b 4c 24 08 e9 9c fb ff ff 0f 1f 40 00 f3 0f 1e fa 41 57 41 56 41 55 49 89 d5 41 54 49 89 f4 55 48 89 cd 53 <48> 89 fb 4c 8d 73 28 48 83 ec 20 e8 69 dc 4d 00 ba 60 00 00 00 31
RSP: 0018:ffffc90000a2f758 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90000a2f828
RDX: 0000000000000000 RSI: ffff888019a49dc0 RDI: ffffc90000a2f798
RBP: ffffc90000a2f828 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed100be54968 R11: 0000000000000000 R12: ffff888019a49dc0
R13: 0000000000000000 R14: ffffc90000a2f858 R15: ffff888019a49dc0
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xaf/0x170 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:762 [inline]
 slab_alloc_node mm/slub.c:3478 [inline]
 kmem_cache_alloc_node+0x180/0x3e0 mm/slub.c:3523
 __alloc_skb+0x287/0x330 net/core/skbuff.c:641
 alloc_skb include/linux/skbuff.h:1286 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:748 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline]
 nsim_dev_trap_report_work+0x29e/0xc70 drivers/net/netdevsim/dev.c:850
 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
 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:242
 </TASK>
----------------
Code disassembly (best guess):
   0:	e8 9e 61 a4 00       	call   0xa461a3
   5:	48 8b 4c 24 08       	mov    0x8(%rsp),%rcx
   a:	e9 9c fb ff ff       	jmp    0xfffffbab
   f:	0f 1f 40 00          	nopl   0x0(%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	41 57                	push   %r15
  19:	41 56                	push   %r14
  1b:	41 55                	push   %r13
  1d:	49 89 d5             	mov    %rdx,%r13
  20:	41 54                	push   %r12
  22:	49 89 f4             	mov    %rsi,%r12
  25:	55                   	push   %rbp
  26:	48 89 cd             	mov    %rcx,%rbp
  29:	53                   	push   %rbx
* 2a:	48 89 fb             	mov    %rdi,%rbx <-- trapping instruction
  2d:	4c 8d 73 28          	lea    0x28(%rbx),%r14
  31:	48 83 ec 20          	sub    $0x20,%rsp
  35:	e8 69 dc 4d 00       	call   0x4ddca3
  3a:	ba 60 00 00 00       	mov    $0x60,%edx
  3f:	31                   	.byte 0x31