syzbot

watchdog: BUG: soft lockup - CPU#1 stuck for 245s! [syz-executor314:4678]
Modules linked in:
CPU: 1 PID: 4678 Comm: syz-executor314 Not tainted 5.15.180-syzkaller-android13-5.15.180_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:513 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:187 [inline]
RIP: 0010:__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
RIP: 0010:_raw_spin_lock_bh+0xa9/0x1b0 kernel/locking/spinlock.c:178
Code: 00 00 00 c7 44 24 20 00 00 00 00 4c 89 ef be 04 00 00 00 e8 99 d2 ca fc 4c 89 ff be 04 00 00 00 e8 8c d2 ca fc 43 0f b6 04 26 <84> c0 0f 85 aa 00 00 00 8b 44 24 20 b9 01 00 00 00 f0 41 0f b1 4d
RSP: 0018:ffffc90004a86940 EFLAGS: 00000297
RAX: 0000000000000004 RBX: 1ffff92000950d28 RCX: ffffffff84e7b1b4
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90004a86960
RBP: ffffc90004a869d0 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff52000950d2c R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90004a86e34 R14: 1ffff92000950d2c R15: ffffc90004a86960
FS:  00007f857e3e26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f857e3e2d58 CR3: 000000011f110000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1248 [inline]
 tipc_sk_rcv+0x299/0x1b50 net/tipc/socket.c:2491
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1783
 tipc_sk_rcv+0x1212/0x1b50 net/tipc/socket.c:2501
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
 tipc_sk_filter_rcv+0x194e/0x3380 net/tipc/socket.c:2364
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x80c/0x1b50 net/tipc/socket.c:2497
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1783
 tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1071 [inline]
 __release_sock+0x145/0x410 net/core/sock.c:2733
 release_sock net/core/sock.c:3284 [inline]
 sock_setsockopt+0x1831/0x2f30 net/core/sock.c:1383
 __sys_setsockopt+0x3c3/0x7e0 net/socket.c:2199
 __do_sys_setsockopt net/socket.c:2214 [inline]
 __se_sys_setsockopt net/socket.c:2211 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2211
 x64_sys_call+0x1a2/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f857e4423e9
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:00007f857e3e2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f857e3e26c0 RCX: 00007f857e4423e9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f857e4cc338 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 0000200000000500
R13: 00007f857e4cc330 R14: 00007f857e4cc33c R15: 0000200000000004
 </TASK>