watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.4.9244:32357]
Modules linked in:
CPU: 0 PID: 32357 Comm: syz.4.9244 Tainted: G        W         5.10.216-syzkaller-00510-ga4a2b7a82ee4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline]
RIP: 0010:kvm_wait+0xfc/0x150 arch/x86/kernel/kvm.c:926
Code: 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 25 52 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 16 52 d5 03 fb f4 <4c> 89 7c 24 18 ff 74 24 18 9d 48 c7 44 24 20 0e 36 e0 45 49 c7 04
RSP: 0018:ffffc90000d279e0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff920001a4f40 RCX: ffffffff8150b624
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000d27a20
RBP: ffffc90000d27a90 R08: dffffc0000000000 R09: ffffed1023904652
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811c823288 R14: 0000000000000003 R15: 0000000000000246
FS:  00005555556e8500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2421a3 CR3: 00000001304f5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:183 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 lock_sock_nested+0x92/0x300 net/core/sock.c:3117
 lock_sock include/net/sock.h:1640 [inline]
 tipc_release+0x57/0x1440 net/tipc/socket.c:626
 __sock_release net/socket.c:597 [inline]
 sock_close+0xdf/0x270 net/socket.c:1286
 __fput+0x309/0x760 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:165
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f9b8d9b5b99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc68466eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f9b8db45aa0 RCX: 00007f9b8d9b5b99
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f9b8db45aa0 R08: 0000000000000006 R09: 00000007684671cf
R10: 00000000003ff82c R11: 0000000000000246 R12: 000000000014dc8b
R13: 0000000000000032 R14: 00007f9b8db45aa0 R15: 00007f9b8db44078
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 32358 Comm: syz.4.9244 Tainted: G        W         5.10.216-syzkaller-00510-ga4a2b7a82ee4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__local_bh_disable_ip include/linux/bottom_half.h:12 [inline]
RIP: 0010:__raw_spin_trylock_bh include/linux/spinlock_api_smp.h:181 [inline]
RIP: 0010:_raw_spin_trylock_bh+0x64/0x190 kernel/locking/spinlock.c:143
Code: 8a b5 41 48 c7 44 24 08 06 99 cf 85 48 c7 44 24 10 30 9a b1 84 49 89 e4 49 c1 ec 03 48 b8 f1 f1 f1 f1 04 f3 f3 f3 4b 89 04 3c <bf> 01 02 00 00 e8 02 76 97 fc 4c 89 ef be 04 00 00 00 e8 e5 a5 f6
RSP: 0018:ffffc90000bf69a0 EFLAGS: 00000a02
RAX: f3f3f304f1f1f1f1 RBX: ffffc90000bf69c0 RCX: 0000000000040000
RDX: ffffc90004a51000 RSI: 000000000003ffff RDI: ffff88811c823288
RBP: ffffc90000bf6a30 R08: ffffffff849878e1 R09: ffffed1023904651
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200017ed34
R13: ffff88811c823288 R14: 0000000093607b81 R15: dffffc0000000000
FS:  00007f9b8cc376c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000800 CR3: 00000001304f5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 spin_trylock_bh include/linux/spinlock.h:414 [inline]
 tipc_sk_rcv+0x4c2/0x1e30 net/tipc/socket.c:2492
 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
 tipc_node_xmit_skb+0x153/0x1b0 net/tipc/node.c:1739
 tipc_sk_rcv+0x1c0b/0x1e30 net/tipc/socket.c:2518
 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
 tipc_sk_push_backlog net/tipc/socket.c:1306 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2253 [inline]
 tipc_sk_filter_rcv+0x1da8/0x3e00 net/tipc/socket.c:2362
 tipc_sk_enqueue net/tipc/socket.c:2442 [inline]
 tipc_sk_rcv+0x8a1/0x1e30 net/tipc/socket.c:2493
 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1754
 tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2410
 sk_backlog_rcv include/net/sock.h:1050 [inline]
 __release_sock+0x148/0x410 net/core/sock.c:2583
 release_sock+0x65/0x1b0 net/core/sock.c:3134
 tipc_release+0xb6b/0x1440 net/tipc/socket.c:639
 __sock_release net/socket.c:597 [inline]
 sock_close+0xdf/0x270 net/socket.c:1286
 __fput+0x309/0x760 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:165
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f9b8d9b5b99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b8cc37048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007f9b8db43fa0 RCX: 00007f9b8d9b5b99
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00007f9b8da3677e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9b8db43fa0 R15: 00007ffc68466dd8