syzbot

watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor984:17409]
Modules linked in:
irq event stamp: 31936393
hardirqs last  enabled at (31936392): [<ffff8000801e6138>] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:387
hardirqs last disabled at (31936393): [<ffff80008ae85378>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]
hardirqs last disabled at (31936393): [<ffff80008ae85378>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551
softirqs last  enabled at (732): [<ffff80008a918688>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (732): [<ffff80008a918688>] tipc_skb_peek_port net/tipc/msg.h:1235 [inline]
softirqs last  enabled at (732): [<ffff80008a918688>] tipc_sk_rcv+0x34c/0x18b8 net/tipc/socket.c:2493
softirqs last disabled at (734): [<ffff80008a9186a8>] spin_trylock_bh include/linux/spinlock.h:411 [inline]
softirqs last disabled at (734): [<ffff80008a9186a8>] tipc_sk_rcv+0x36c/0x18b8 net/tipc/socket.c:2498
CPU: 0 PID: 17409 Comm: syz-executor984 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : lock_acquire+0x284/0x73c
lr : lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
lr : lock_acquire+0x254/0x73c kernel/locking/lockdep.c:5756
sp : ffff80009a276180
x29: ffff80009a276280 x28: dfff800000000000 x27: ffff70001344ec3c
x26: ffff0001b3dc4dc0 x25: ffff80009a276830 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: ffff80008ee01dc0 x19: ffff0001b3dc4dc0 x18: ffff80009a2762e0
x17: 000000000000cd4d x16: ffff80008ae89f60 x15: 0000000000000001
x14: ffff80008eeb0668 x13: dfff800000000000 x12: 000000000f4afb16
x11: 00000000f45ae600 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff80008a918520 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000008 x1 : ffff80008b000c80 x0 : 0000000000000000
Call trace:
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline]
 lock_acquire+0x284/0x73c kernel/locking/lockdep.c:5757
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
 _raw_spin_lock_bh+0x48/0x60 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1225 [inline]
 tipc_sk_rcv+0x1e4/0x18b8 net/tipc/socket.c:2493
 tipc_node_xmit+0x1b0/0xdb0 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x28c/0x3a4 net/tipc/node.c:1781
 tipc_sk_rcv+0x12b0/0x18b8 net/tipc/socket.c:2503
 tipc_node_xmit+0x1b0/0xdb0 net/tipc/node.c:1701
 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2257 [inline]
 tipc_sk_filter_rcv+0x1718/0x2ca0 net/tipc/socket.c:2366
 tipc_sk_enqueue net/tipc/socket.c:2447 [inline]
 tipc_sk_rcv+0x6d0/0x18b8 net/tipc/socket.c:2499
 tipc_node_xmit+0x1b0/0xdb0 net/tipc/node.c:1701
 tipc_node_xmit_skb net/tipc/node.c:1766 [inline]
 tipc_node_distr_xmit+0x28c/0x3a4 net/tipc/node.c:1781
 tipc_sk_backlog_rcv+0x164/0x214 net/tipc/socket.c:2414
 sk_backlog_rcv include/net/sock.h:1106 [inline]
 __release_sock+0x1a8/0x3d8 net/core/sock.c:2984
 release_sock+0x68/0x1b8 net/core/sock.c:3550
 sk_setsockopt+0xbdc/0x306c
 sock_setsockopt+0x68/0x80 net/core/sock.c:1549
 do_sock_setsockopt+0x238/0x4e0 net/socket.c:2307
 __sys_setsockopt+0x128/0x1a8 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __arm64_sys_setsockopt+0xb8/0xd4 net/socket.c:2340
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598