INFO: task syz-executor.5:9843 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:25840 pid:9843  ppid:5072   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 coredump_task_exit+0x349/0x460 kernel/exit.c:436
 do_exit+0x29a/0x2290 kernel/exit.c:823
 do_group_exit+0x206/0x2c0 kernel/exit.c:1024
 get_signal+0x175d/0x1840 kernel/signal.c:2892
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7fb9a7cae9
RSP: 002b:00007ffe55c589e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000218746 RCX: 00007f7fb9a7cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7fb9b9bf8c
RBP: 0000000000000032 R08: 00007f7fb9b9bf8c R09: 00007f7fb9b9bf8c
R10: 00007ffe55c58b20 R11: 0000000000000246 R12: 00007f7fb9b9bf8c
R13: 0000000000218778 R14: 00007ffe55c58b40 R15: 00007ffe55c58b20
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xdf5/0xe40 kernel/hung_task.c:379
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: kworker/1:0 Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: rcu_gp process_srcu
RIP: 0010:delay_tsc+0x61/0xd0 arch/x86/lib/delay.c:79
Code: c1 e5 20 48 09 c5 48 29 dd 4c 39 f5 73 67 bf 01 00 00 00 e8 21 d1 99 f6 65 8b 05 a2 34 3d 75 85 c0 74 2f f3 90 bf 01 00 00 00 <e8> 8a cf 99 f6 e8 15 2a 03 00 41 39 c7 75 20 0f 01 f9 66 90 48 89
RSP: 0018:ffffc900001d7ab8 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 000004b42e0c6c4e RCX: 0000000000000001
RDX: 00000000000004b4 RSI: ffffffff8b599580 RDI: 0000000000000001
RBP: 0000000000000eea R08: ffff8880b9943ec7 R09: 1ffff110173287d8
R10: dffffc0000000000 R11: ffffed10173287d9 R12: ffffffff91f65b28
R13: 0000000000000002 R14: 0000000000002afa R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f248b304000 CR3: 000000000d130000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 try_check_zero+0x3a4/0x3e0 kernel/rcu/srcutree.c:1091
 srcu_advance_state kernel/rcu/srcutree.c:1666 [inline]
 process_srcu+0x244/0x1390 kernel/rcu/srcutree.c:1769
 process_one_work+0x781/0x1130 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0xabf/0x1060 kernel/workqueue.c:2784
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>