RBP: 00007f15f27c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f15f289cf80 R15: 00007ffe9c9422b8
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [syz-executor.3:1319]
Modules linked in:
CPU: 1 PID: 1319 Comm: syz-executor.3 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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:918
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 6b ff f2 03 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:ffffc9000764eb00 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff92000ec9d64 RCX: ffffffff8154ce3f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881242b54ac
RBP: ffffc9000764ebb0 R08: dffffc0000000000 R09: ffffed1024856a96
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881242b54ac R14: 0000000000000003 R15: 1ffff92000ec9d68
FS:  00007f15f15006c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c722000 CR3: 0000000120c62000 CR4: 00000000003506a0
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:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 get_dist_table+0x207/0x2e0 net/sched/sch_netem.c:798
 netem_change+0xa05/0x20c0 net/sched/sch_netem.c:988
 netem_init+0x5b/0xb0 net/sched/sch_netem.c:1075
 qdisc_create+0x890/0x12e0 net/sched/sch_api.c:1264
 tc_modify_qdisc+0x8b4/0x14b0
 rtnetlink_rcv_msg+0x951/0xc40 net/core/rtnetlink.c:5599
 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5617
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x8df/0xac0 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0xa0a/0xd20 net/netlink/af_netlink.c:1924
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466
 __sys_sendmsg net/socket.c:2495 [inline]
 __do_sys_sendmsg net/socket.c:2504 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502
 __x64_sys_sendmsg+0x7b/0x90 net/socket.c:2502
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f15f277dae9
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:00007f15f15000c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f15f289cf80 RCX: 00007f15f277dae9
RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000000003
RBP: 00007f15f27c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f15f289cf80 R15: 00007ffe9c9422b8
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:570 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x416/0x760 drivers/acpi/processor_idle.c:705