watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz-executor247:977] Modules linked in: CPU: 0 PID: 977 Comm: syz-executor247 Not tainted 6.1.75-syzkaller-00007-g338203a81721 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 eb 11 11 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc900018a7780 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff92000314ef4 RCX: ffffffff84ff6d9c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888121e7b798 RBP: ffffc900018a7830 R08: dffffc0000000000 R09: ffffed10243cf6f4 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888121e7b798 R14: 0000000000000003 R15: 1ffff92000314ef8 FS: 00007ff57f1e66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000001221bd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:3502 lock_sock include/net/sock.h:1758 [inline] tipc_sendstream+0x47/0x70 net/tipc/socket.c:1549 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0x5d3/0x9a0 net/socket.c:2504 ___sys_sendmsg net/socket.c:2558 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2587 __do_sys_sendmsg net/socket.c:2596 [inline] __se_sys_sendmsg net/socket.c:2594 [inline] __x64_sys_sendmsg+0x7f/0x90 net/socket.c:2594 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff57f2253e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007ff57f1e6228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ff57f2253e9 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000004 RBP: 00007ff57f2af328 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff57f2af320 R13: 00007ff57f2af32c R14: 00007ffd0ac32db0 R15: 00007ffd0ac32e98