RBP: 00007fc74a4ca47a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc74a5ac050 R15: 00007ffd6c46faf8
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.0:556]
Modules linked in:
CPU: 0 PID: 556 Comm: syz-executor.0 Not tainted 6.1.129-syzkaller-1168452-g3e6e324f5b47 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:_raw_spin_unlock_bh+0x1/0x60 kernel/locking/spinlock.c:209
Code: 00 e8 43 b2 2c fc 65 8b 05 b4 72 df 7a 85 c0 74 03 5b 5d c3 e8 84 8c dd fb eb f6 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <48> 89 e5 53 48 89 fb 48 c7 c0 60 f6 0d 87 48 c1 e8 03 48 b9 00 00
RSP: 0018:ffffc9000177e7b0 EFLAGS: 00000293
RAX: ffffffff84fdf921 RBX: ffff888117bbd8c4 RCX: ffff888117941440
RDX: 0000000000000000 RSI: 00000000fd5fdec1 RDI: ffffc9000177ec14
RBP: ffffc9000177ea10 R08: ffffffff84fdf7bb R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc9000177ec00 R14: 00000000fd5fdec1 R15: ffffc9000177ec00
FS:  00007fc74b1046c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0004f5000 CR3: 000000011580c000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 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+0x1306/0x1c40 net/tipc/socket.c:2501
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_sk_push_backlog+0x4da/0x7b0 net/tipc/socket.c:1316
 tipc_sk_conn_proto_rcv net/tipc/socket.c:1370 [inline]
 tipc_sk_proto_rcv+0xad5/0x1750 net/tipc/socket.c:2158
 tipc_sk_filter_rcv+0x3155/0x3390 net/tipc/socket.c:2352
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x815/0x1c40 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:1131 [inline]
 __release_sock+0x145/0x410 net/core/sock.c:2945
 release_sock net/core/sock.c:3519 [inline]
 sockopt_release_sock+0x9a/0x1f0 net/core/sock.c:1067
 sk_setsockopt+0x1672/0x31e0 net/core/sock.c:-1
 sock_setsockopt+0x59/0x70 net/core/sock.c:1552
 __sys_setsockopt+0x423/0x8b0 net/socket.c:2274
 __do_sys_setsockopt net/socket.c:2289 [inline]
 __se_sys_setsockopt net/socket.c:2286 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2286
 x64_sys_call+0x1a2/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc74a47dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007fc74b1040c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fc74a5ac050 RCX: 00007fc74a47dda9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fc74a4ca47a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc74a5ac050 R15: 00007ffd6c46faf8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 554 Comm: syz-executor.0 Not tainted 6.1.129-syzkaller-1168452-g3e6e324f5b47 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:1064
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 1b e0 50 04 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc90001647860 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff920002c8f10 RCX: ffffffff85231f8c
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88812564a398
RBP: ffffc90001647910 R08: dffffc0000000000 R09: ffffed1024ac9474
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812564a398 R14: 0000000000000003 R15: 1ffff920002c8f14
FS:  000055557a8d3480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc74b104d58 CR3: 000000011580c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:356 [inline]
 lock_sock_nested+0x92/0x300 net/core/sock.c:3507
 lock_sock include/net/sock.h:1769 [inline]
 tipc_release+0xc0/0x1310 net/tipc/socket.c:639
 __sock_release net/socket.c:652 [inline]
 sock_close+0xdf/0x270 net/socket.c:1390
 __fput+0x1e5/0x870 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x24d/0x2e0 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x94/0xa0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc74a47cc9a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffd6c46fbc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc74a47cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fc74a5ad980 R08: 0000001b31f60000 R09: 00007ffd6c5ee0b0
R10: 00000000000011ac R11: 0000000000000293 R12: 000000000000c578
R13: ffffffffffffffff R14: 00007fc74a000000 R15: 000000000000c237
 </TASK>