watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor320:401] Modules linked in: CPU: 1 PID: 401 Comm: syz-executor320 Not tainted 5.10.231-syzkaller-00700-g4055d754db6f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 a5 53 d5 03 f4 eb 0e 0f 1f 44 00 00 0f 00 2d 96 53 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:ffffc90000b67900 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200016cf24 RCX: ffffffff8150ca44 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000b67940 RBP: ffffc90000b679b0 R08: dffffc0000000000 R09: ffffed102180ea92 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810c075488 R14: 0000000000000003 R15: 0000000000000246 FS: 000055558c02a3c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9269416f90 CR3: 000000010eaa1000 CR4: 00000000003506a0 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:1642 [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+0x33d/0x7b0 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x129/0x190 kernel/task_work.c:189 ptrace_notify+0x29e/0x350 kernel/signal.c:2280 ptrace_report_syscall include/linux/tracehook.h:66 [inline] tracehook_report_syscall_exit include/linux/tracehook.h:129 [inline] arch_syscall_exit_tracehook include/linux/entry-common.h:285 [inline] syscall_exit_work kernel/entry/common.c:239 [inline] syscall_exit_to_user_mode_prepare kernel/entry/common.c:266 [inline] syscall_exit_to_user_mode+0xf5/0x1a0 kernel/entry/common.c:272 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f92693da49a 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 d3 63 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 33 64 02 00 8b 44 24 RSP: 002b:00007ffd8425d610 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f92693da49a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ffd8425d660 R10: 0000000000000000 R11: 0000000000000293 R12: 000000000001fc11 R13: 000000000001fc43 R14: 00007f926946633c R15: 00007f9269466320