watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz-executor:494]
Modules linked in:
CPU: 0 PID: 494 Comm: syz-executor Not tainted 6.1.118-syzkaller-1166350-ge2b9748880b9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:atomic_fetch_add_relaxed include/linux/atomic/atomic-instrumented.h:116 [inline]
RIP: 0010:__refcount_add include/linux/refcount.h:193 [inline]
RIP: 0010:__refcount_inc include/linux/refcount.h:250 [inline]
RIP: 0010:refcount_inc include/linux/refcount.h:267 [inline]
RIP: 0010:sock_hold include/net/sock.h:785 [inline]
RIP: 0010:tipc_sk_lookup+0x4dc/0x660 net/tipc/socket.c:3003
Code: 04 1f 84 c0 0f 85 72 01 00 00 48 8b 04 24 0f b7 00 49 29 c6 74 63 4d 8d be 80 00 00 00 4c 89 ff be 04 00 00 00 e8 c4 dc bf fc <bb> 01 00 00 00 f0 41 0f c1 9e 80 00 00 00 31 ff 89 de e8 fd 6a 78
RSP: 0018:ffffc90000a26900 EFLAGS: 00000256
RAX: 0000000000000301 RBX: dffffc0000000000 RCX: ffffffff84fd1f4c
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888127bfb280
RBP: ffffc90000a269d0 R08: dffffc0000000000 R09: ffffed1024f7f651
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888127bfb568
R13: 0000000000000004 R14: ffff888127bfb200 R15: ffff888127bfb280
FS:  00007fc92a96c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005000 CR3: 000000011fbcc000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 tipc_sk_rcv+0x45c/0x1c40 net/tipc/socket.c:2492
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb+0x153/0x1b0 net/tipc/node.c:1768
 tipc_sk_rcv+0x1787/0x1c40 net/tipc/socket.c:2522
 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/0x3390 net/tipc/socket.c:2364
 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:2942
 release_sock+0x65/0x1b0 net/core/sock.c:3516
 tipc_release+0xf10/0x1310 net/tipc/socket.c:652
 __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: 0033:0x7fc929c7cee9
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:00007fc92a96c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007fc929dabf80 RCX: 00007fc929c7cee9
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00007fc929cc949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc929dabf80 R15: 00007fffb7469c08
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 493 Comm: syz-executor Not tainted 6.1.118-syzkaller-1166350-ge2b9748880b9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x5e0/0xda0 kernel/locking/qspinlock.c:511
Code: 48 8b 44 24 10 c6 00 00 48 8b 44 24 18 0f b6 04 10 84 c0 0f 85 48 01 00 00 48 8b 44 24 08 c6 00 01 bb 00 80 ff ff eb 06 f3 90 <ff> c3 74 5d 41 0f b6 04 14 84 c0 75 36 41 80 3f 00 75 eb 4c 89 ff
RSP: 0018:ffffc90000a17920 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 00000000ffffe688 RCX: ffffffff8522145c
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888127bfb298
RBP: ffffc90000a17a10 R08: dffffc0000000000 R09: ffffed1024f7f654
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024f7f653
R13: ffff8881f71d2400 R14: 1ffff1103ede0001 R15: ffff888127bfb298
FS:  000055557935d480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002001f000 CR3: 000000011fbcc000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 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:3504
 lock_sock include/net/sock.h:1763 [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: 0033:0x7fc929c7bdda
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:00007fffb7469cd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc929c7bdda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fc929dad980 R08: 0000001b32160000 R09: 00007fffb75cf0b0
R10: 0000000000001452 R11: 0000000000000293 R12: 000000000000d3ae
R13: 00007fc929dac05c R14: 00007fc929dac050 R15: 0000000000000032
 </TASK>