ccid3_first_li: No RTT estimate available, using fallback RTT
ccid3_first_li: X_recv==0
BUG: stored value of X_recv is zero at net/dccp/ccids/ccid3.c:691/ccid3_first_li()
CPU: 0 PID: 3164 Comm: syz-executor.1 Not tainted 6.4.0-rc5-syzkaller-00002-gf8dba31b0a82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106
ccid3_first_li+0x3b5/0x570 net/dccp/ccids/ccid3.c:691
tfrc_lh_interval_add+0x63a/0x910 net/dccp/ccids/lib/loss_interval.c:157
tfrc_rx_handle_loss+0xa41/0x2120 net/dccp/ccids/lib/packet_history.c:328
ccid3_hc_rx_packet_recv+0x3ad/0xf90 net/dccp/ccids/ccid3.c:744
ccid_hc_rx_packet_recv net/dccp/ccid.h:182 [inline]
dccp_deliver_input_to_ccids+0xe1/0x260 net/dccp/input.c:176
dccp_rcv_established net/dccp/input.c:374 [inline]
dccp_rcv_established+0x10b/0x160 net/dccp/input.c:364
dccp_v4_do_rcv+0x168/0x1a0 net/dccp/ipv4.c:676
sk_backlog_rcv include/net/sock.h:1115 [inline]
__sk_receive_skb+0x298/0xb60 net/core/sock.c:565
dccp_v4_rcv+0xf79/0x1550 net/dccp/ipv4.c:899
ip_protocol_deliver_rcu+0x9f/0x480 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2ec/0x520 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:303 [inline]
NF_HOOK include/linux/netfilter.h:297 [inline]
ip_local_deliver+0x1ae/0x200 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:468 [inline]
ip_rcv_finish+0x1cf/0x2f0 net/ipv4/ip_input.c:449
NF_HOOK include/linux/netfilter.h:303 [inline]
NF_HOOK include/linux/netfilter.h:297 [inline]
ip_rcv+0xae/0xd0 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5491
__netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5605
process_backlog+0x101/0x670 net/core/dev.c:5933
__napi_poll+0xb7/0x6f0 net/core/dev.c:6496
napi_poll net/core/dev.c:6563 [inline]
net_rx_action+0x8a9/0xcb0 net/core/dev.c:6696
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:_compound_head include/linux/page-flags.h:248 [inline]
RIP: 0010:virt_to_folio include/linux/mm.h:1180 [inline]
RIP: 0010:virt_to_slab mm/kasan/../slab.h:174 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:129 [inline]
RIP: 0010:qlist_free_all+0x16b/0x170 mm/kasan/quarantine.c:182
Code: 85 69 ff ff ff 48 8b 03 a9 00 00 01 00 0f 84 5b ff ff ff 48 8b 43 48 48 8d 50 ff a8 01 48 0f 45 da e9 48 ff ff ff 48 8d 58 ff 3f ff ff ff f3 0f 1e fa 53 48 c7 c3 c0 81 03 00 e8 ef d2 38 08
RSP: 0018:ffffc9000317f548 EFLAGS: 00000202
RAX: ffffea0000a37601 RBX: ffffea0000a37600 RCX: ffffc90004173000
RDX: 0000000000040000 RSI: ffffffff8139ce28 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094001 R12: dffffc0000000000
R13: ffffc9000317f588 R14: ffff888028dd9400 R15: 0000000000000000
kasan_quarantine_reduce+0x195/0x220 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x63/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:711 [inline]
slab_alloc_node mm/slub.c:3451 [inline]
kmem_cache_alloc_node+0x185/0x3e0 mm/slub.c:3496
__alloc_skb+0x288/0x330 net/core/skbuff.c:644
alloc_skb include/linux/skbuff.h:1288 [inline]
alloc_skb_with_frags+0x9a/0x6c0 net/core/skbuff.c:6380
sock_alloc_send_pskb+0x7a7/0x930 net/core/sock.c:2729
sock_alloc_send_skb include/net/sock.h:1864 [inline]
dccp_sendmsg+0x2b4/0xbf0 net/dccp/proto.c:757
inet_sendmsg+0x9d/0xe0 net/ipv4/af_inet.c:827
sock_sendmsg_nosec net/socket.c:724 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:747
____sys_sendmsg+0x334/0x900 net/socket.c:2503
___sys_sendmsg+0x110/0x1b0 net/socket.c:2557
__sys_sendmmsg+0x18f/0x460 net/socket.c:2643
__do_sys_sendmmsg net/socket.c:2672 [inline]
__se_sys_sendmmsg net/socket.c:2669 [inline]
__x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2669
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f71fb28c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f71fbfa4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f71fb3abf80 RCX: 00007f71fb28c169
RDX: 00000000ffffff1f RSI: 0000000020004e80 RDI: 0000000000000004
RBP: 00007f71fb2e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f71fb4cfb1f R14: 00007f71fbfa4300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 69 ff ff ff 48 8b imul $0x8b48ffff,%edi,%edi
6: 03 a9 00 00 01 00 add 0x10000(%rcx),%ebp
c: 0f 84 5b ff ff ff je 0xffffff6d
12: 48 8b 43 48 mov 0x48(%rbx),%rax
16: 48 8d 50 ff lea -0x1(%rax),%rdx
1a: a8 01 test $0x1,%al
1c: 48 0f 45 da cmovne %rdx,%rbx
20: e9 48 ff ff ff jmpq 0xffffff6d
25: 48 8d 58 ff lea -0x1(%rax),%rbx
* 29: e9 3f ff ff ff jmpq 0xffffff6d <-- trapping instruction
2e: f3 0f 1e fa endbr64
32: 53 push %rbx
33: 48 c7 c3 c0 81 03 00 mov $0x381c0,%rbx
3a: e8 ef d2 38 08 callq 0x838d32e