------------[ cut here ]------------
WARNING: CPU: 1 PID: 26427 at net/mptcp/subflow.c:1412 subflow_data_ready+0x3a0/0x690 net/mptcp/subflow.c:1412
Modules linked in:
CPU: 1 PID: 26427 Comm: udevd Not tainted 6.8.0-rc1-syzkaller-00049-g6098d87eaf31 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:subflow_data_ready+0x3a0/0x690 net/mptcp/subflow.c:1412
Code: 89 ee e8 b3 86 14 f7 40 84 ed 75 21 e8 79 8b 14 f7 44 89 fe bf 07 00 00 00 e8 dc 86 14 f7 41 83 ff 07 74 09 e8 61 8b 14 f7 90 <0f> 0b 90 e8 58 8b 14 f7 48 89 df e8 70 b2 ff ff 31 ff 89 c5 89 c6
RSP: 0018:ffffc900001f0598 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88801e826e40 RCX: ffffffff8a727fa4
RDX: ffff88801f158000 RSI: ffffffff8a727faf RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000007
R10: 000000000000000b R11: 0000000000000000 R12: 1ffff9200003e0b3
R13: ffff88802b101700 R14: ffff88807bb8dc00 R15: 000000000000000b
FS:  00007f4f6999dc80(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3002c000 CR3: 0000000040319000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 tcp_data_ready+0x14c/0x5b0 net/ipv4/tcp_input.c:5143
 tcp_data_queue+0x19bb/0x5190 net/ipv4/tcp_input.c:5223
 tcp_rcv_state_process+0x11d2/0x4e30 net/ipv4/tcp_input.c:6859
 tcp_v4_do_rcv+0x369/0xa10 net/ipv4/tcp_ipv4.c:1929
 tcp_v4_rcv+0x3888/0x3b30 net/ipv4/tcp_ipv4.c:2329
 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+0x1b8/0x2e0 net/ipv4/ip_input.c:449
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 ip_rcv+0xaf/0xd0 net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core+0x115/0x180 net/core/dev.c:5534
 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5648
 process_backlog+0x101/0x6b0 net/core/dev.c:5976
 __napi_poll.constprop.0+0xb4/0x540 net/core/dev.c:6576
 napi_poll net/core/dev.c:6645 [inline]
 net_rx_action+0x956/0xe90 net/core/dev.c:6778
 __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:649
RIP: 0010:queue_work_on+0x92/0x110 kernel/workqueue.c:1842
Code: ff 48 89 ee e8 2f ed 31 00 48 85 ed 75 3b e8 95 f1 31 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 13 ed 31 00 48 85 db 75 66 <e8> 79 f1 31 00 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 66 f1
RSP: 0018:ffffc900048ffe28 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815519cd
RDX: ffff88801f158000 RSI: ffffffff815519d7 RDI: 0000000000000007
RBP: 0000000000000200 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000001 R14: ffff888013089800 R15: 0000000000000000
 queue_work include/linux/workqueue.h:548 [inline]
 fsnotify_put_mark+0x41c/0x560 fs/notify/mark.c:332
 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:819 [inline]
 __se_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:793 [inline]
 __x64_sys_inotify_rm_watch+0x12a/0x1a0 fs/notify/inotify/inotify_user.c:793
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f4f69523f77
Code: 73 01 c3 48 8b 0d b1 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fff8923a7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ff
RAX: ffffffffffffffda RBX: 000055e9eaeff120 RCX: 00007f4f69523f77
RDX: 0000000000000007 RSI: 000000000000164b RDI: 0000000000000007
RBP: 000055e9eafe24f0 R08: 0000000000000006 R09: 896428457158356a
R10: 0000000000000010 R11: 0000000000000246 R12: 000000000000164b
R13: 00007fff8923a7b8 R14: 0000000003938700 R15: 000055e9eaeff160
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 48 89             	decl   -0x77(%rax)
   3:	ee                   	out    %al,(%dx)
   4:	e8 2f ed 31 00       	call   0x31ed38
   9:	48 85 ed             	test   %rbp,%rbp
   c:	75 3b                	jne    0x49
   e:	e8 95 f1 31 00       	call   0x31f1a8
  13:	9c                   	pushf
  14:	5b                   	pop    %rbx
  15:	81 e3 00 02 00 00    	and    $0x200,%ebx
  1b:	31 ff                	xor    %edi,%edi
  1d:	48 89 de             	mov    %rbx,%rsi
  20:	e8 13 ed 31 00       	call   0x31ed38
  25:	48 85 db             	test   %rbx,%rbx
  28:	75 66                	jne    0x90
* 2a:	e8 79 f1 31 00       	call   0x31f1a8 <-- trapping instruction
  2f:	44 89 e8             	mov    %r13d,%eax
  32:	5b                   	pop    %rbx
  33:	5d                   	pop    %rbp
  34:	41 5c                	pop    %r12
  36:	41 5d                	pop    %r13
  38:	41 5e                	pop    %r14
  3a:	41 5f                	pop    %r15
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	66 f1                	data16 int1