watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:3393]
Modules linked in:
CPU: 0 PID: 3393 Comm: syz-executor.3 Not tainted 6.1.68-syzkaller-00096-geef3b6e52937 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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 7b 10 11 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:ffffc90002857860 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff9200050af10 RCX: ffffffff84ff1d4c
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888125d09998
RBP: ffffc90002857910 R08: dffffc0000000000 R09: ffffed1024ba1334
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888125d09998 R14: 0000000000000003 R15: 1ffff9200050af14
FS:  0000555555ae6480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055eee91d2178 CR3: 00000001119a1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <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:186 [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:355 [inline]
 lock_sock_nested+0x92/0x300 net/core/sock.c:3494
 lock_sock include/net/sock.h:1758 [inline]
 tipc_release+0xc0/0x1310 net/tipc/socket.c:639
 __sock_release net/socket.c:652 [inline]
 sock_close+0xdf/0x270 net/socket.c:1387
 __fput+0x3ab/0x870 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x24d/0x2e0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x94/0xa0 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f256cc7cc9a
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:00007ffdf8b42e20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f256cc7cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f256cdad980 R08: 0000001b30060000 R09: 00007ffdf8b550b0
R10: 000000000000a896 R11: 0000000000000293 R12: 0000000000107e77
R13: ffffffffffffffff R14: 00007f256c800000 R15: 0000000000107b36
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3394 Comm: syz-executor.3 Not tainted 6.1.68-syzkaller-00096-geef3b6e52937 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__local_bh_enable_ip+0x0/0x80 kernel/softirq.c:401
Code: 05 2d 78 bc 7e a9 00 00 0f 00 75 14 65 8b 05 1f 78 bc 7e 65 81 05 14 78 bc 7e 00 fe ff ff 5d c3 0f 0b eb e8 66 0f 1f 44 00 00 <55> 48 89 e5 65 8b 05 fd 77 bc 7e a9 00 00 0f 00 75 5a 65 8b 05 ef
RSP: 0018:ffffc9000282e938 EFLAGS: 00000206
RAX: 0000000000000004 RBX: 1ffff92000505d2c RCX: ffffc9000282e903
RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff84da52b3
RBP: ffffc9000282e9d0 R08: dffffc0000000000 R09: ffffed1024ba1334
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000505d28
R13: ffff888125d09998 R14: 0000000000040003 R15: dffffc0000000000
FS:  00007f256d9c66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe67c702542 CR3: 00000001119a1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 spin_trylock_bh include/linux/spinlock.h:410 [inline]
 tipc_sk_rcv+0x483/0x1c40 net/tipc/socket.c:2496
 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:1129 [inline]
 __release_sock+0x145/0x410 net/core/sock.c:2932
 release_sock+0x65/0x1b0 net/core/sock.c:3506
 tipc_release+0xf10/0x1310 net/tipc/socket.c:652
 __sock_release net/socket.c:652 [inline]
 sock_close+0xdf/0x270 net/socket.c:1387
 __fput+0x3ab/0x870 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x24d/0x2e0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x94/0xa0 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f256cc7dda9
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:00007f256d9c60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007f256cdabf80 RCX: 00007f256cc7dda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f256ccca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f256cdabf80 R15: 00007ffdf8b42d58
 </TASK>