syzbot

rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=82a4/1/0x4000000000000000 softirq=34558/34563 fqs=5250
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:      157          0        52342   ==> 52520(ms)
rcu: 	(t=10503 jiffies g=30449 q=106 ncpus=2)
CPU: 1 UID: 0 PID: 27174 Comm: syz-executor158 Not tainted 6.15.0-rc5-syzkaller-00032-g0d8d44db295c #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5943
Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 89 24 1f 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc9000e7fe438 EFLAGS: 00000206
RAX: 10552ac675198c00 RBX: 0000000000000001 RCX: 10552ac675198c00
RDX: ffff888021309e00 RSI: ffffffff8d935a6f RDI: ffffffff8bc1d1e0
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8af6a578 R12: 0000000000000246
R13: ffff888021309e00 R14: ffffffff8df3b860 R15: 0000000000000002
FS:  00007fdf2d4406c0(0000) GS:ffff8881261cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 00000000330f0000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __rhashtable_lookup include/linux/rhashtable.h:602 [inline]
 rhashtable_lookup include/linux/rhashtable.h:646 [inline]
 tipc_sk_lookup+0x1b6/0x920 net/tipc/socket.c:2998
 tipc_sk_rcv+0x3f9/0x2ba0 net/tipc/socket.c:2490
 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x2a0/0x3b0 net/tipc/node.c:1781
 tipc_sk_rcv+0x2636/0x2ba0 net/tipc/socket.c:2499
 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701
 tipc_sk_push_backlog net/tipc/socket.c:1312 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2253 [inline]
 tipc_sk_filter_rcv+0x12a0/0x30b0 net/tipc/socket.c:2362
 tipc_sk_enqueue net/tipc/socket.c:2443 [inline]
 tipc_sk_rcv+0x8a5/0x2ba0 net/tipc/socket.c:2495
 tipc_node_xmit+0x1c9/0xe90 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x2a0/0x3b0 net/tipc/node.c:1781
 tipc_sk_backlog_rcv+0x1a1/0x230 net/tipc/socket.c:2410
 sk_backlog_rcv include/net/sock.h:1132 [inline]
 __release_sock+0x24c/0x350 net/core/sock.c:3163
 release_sock+0x5f/0x1f0 net/core/sock.c:3717
 sockopt_release_sock net/core/sock.c:1157 [inline]
 sk_setsockopt+0x2477/0x2940 net/core/sock.c:1654
 do_sock_setsockopt+0x201/0x3e0 net/socket.c:2292
 __sys_setsockopt net/socket.c:2321 [inline]
 __do_sys_setsockopt net/socket.c:2327 [inline]
 __se_sys_setsockopt net/socket.c:2324 [inline]
 __x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf2d4873a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdf2d440218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fdf2d4406c0 RCX: 00007fdf2d4873a9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fdf2d511328 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000480
R13: 00007fdf2d511320 R14: 00007fdf2d51132c R15: 0000200000000004
 </TASK>