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: 30624 Comm: syz-executor.3 Not tainted 6.7.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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+0x3dd/0x4a0 net/dccp/ccids/lib/packet_history.c:414
 ccid3_hc_rx_packet_recv+0x443/0xf50 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+0x169/0x1b0 net/dccp/ipv4.c:675
 sk_backlog_rcv include/net/sock.h:1121 [inline]
 __sk_receive_skb+0x2af/0x840 net/core/sock.c:571
 dccp_v4_rcv+0x128a/0x1980 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+0x18e/0x1f0 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:461 [inline]
 ip_rcv_finish+0x1c4/0x2f0 net/ipv4/ip_input.c:449
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_rcv+0xaf/0xd0 net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5529
 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5643
 process_backlog+0x101/0x6b0 net/core/dev.c:5971
 __napi_poll.constprop.0+0xb4/0x540 net/core/dev.c:6533
 napi_poll net/core/dev.c:6602 [inline]
 net_rx_action+0x956/0xe90 net/core/dev.c:6735
 __do_softirq+0x21a/0x8de 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+0x95/0xb0 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:on_stack arch/x86/include/asm/stacktrace.h:59 [inline]
RIP: 0010:stack_access_ok+0x1df/0x270 arch/x86/kernel/unwind_orc.c:393
Code: 39 eb 41 0f 93 c6 e9 34 ff ff ff e8 9b 94 4d 00 4c 8b 3c 24 4c 39 fd 0f 83 d7 fe ff ff e8 89 94 4d 00 48 8b 44 24 08 48 01 e8 <49> 39 c6 48 89 04 24 0f 83 bd fe ff ff e8 6f 94 4d 00 48 8b 04 24
RSP: 0018:ffffc900151176c8 EFLAGS: 00000292
RAX: ffffc90015117b10 RBX: ffffc90015117790 RCX: ffffffff8139f466
RDX: ffff88801db29dc0 RSI: ffffffff8139f5a7 RDI: 0000000000000005
RBP: ffffc90015117b08 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffc90015117798
R13: ffffc900151177a0 R14: ffffc90015110000 R15: ffffc90015118000
 deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
 unwind_next_frame+0x1a98/0x2390 arch/x86/kernel/unwind_orc.c:648
 arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
 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_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:164 [inline]
 slab_free_hook mm/slub.c:1800 [inline]
 slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
 slab_free mm/slub.c:3809 [inline]
 kmem_cache_free+0xf8/0x350 mm/slub.c:3831
 vma_lock_free kernel/fork.c:471 [inline]
 __vm_area_free+0xee/0x140 kernel/fork.c:527
 remove_vma+0x128/0x170 mm/mmap.c:146
 exit_mmap+0x453/0xa70 mm/mmap.c:3332
 __mmput+0x12a/0x4d0 kernel/fork.c:1349
 mmput+0x62/0x70 kernel/fork.c:1371
 exit_mm kernel/exit.c:567 [inline]
 do_exit+0x9ad/0x2ae0 kernel/exit.c:858
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fd6b8e7cae9
Code: Unable to access opcode bytes at 0x7fd6b8e7cabf.
RSP: 002b:00007fd6b90bfd38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fd6b8e7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00000000000000ff R09: 0000000000000000
R10: 0000001b31920000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
----------------
Code disassembly (best guess):
   0:	39 eb                	cmp    %ebp,%ebx
   2:	41 0f 93 c6          	setae  %r14b
   6:	e9 34 ff ff ff       	jmp    0xffffff3f
   b:	e8 9b 94 4d 00       	call   0x4d94ab
  10:	4c 8b 3c 24          	mov    (%rsp),%r15
  14:	4c 39 fd             	cmp    %r15,%rbp
  17:	0f 83 d7 fe ff ff    	jae    0xfffffef4
  1d:	e8 89 94 4d 00       	call   0x4d94ab
  22:	48 8b 44 24 08       	mov    0x8(%rsp),%rax
  27:	48 01 e8             	add    %rbp,%rax
* 2a:	49 39 c6             	cmp    %rax,%r14 <-- trapping instruction
  2d:	48 89 04 24          	mov    %rax,(%rsp)
  31:	0f 83 bd fe ff ff    	jae    0xfffffef4
  37:	e8 6f 94 4d 00       	call   0x4d94ab
  3c:	48 8b 04 24          	mov    (%rsp),%rax