INFO: task syz-executor406:5134 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor406 state:D stack:29136 pid:5134  ppid:5068   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6711
 schedule+0xe7/0x1b0 kernel/sched/core.c:6787
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6846
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 blkdev_put+0xb0/0x8e0 block/bdev.c:901
 blkdev_release+0x82/0xa0 block/fops.c:603
 __fput+0x3fd/0xac0 fs/file_table.c:384
 task_work_run+0x14d/0x240 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa8883bc4b9
RSP: 002b:00007fa88837a228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fa888443328 RCX: 00007fa8883bc4b9
RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
RBP: 00007fa888443320 R08: 00007fa88837a6c0 R09: 00007fa88837a6c0
R10: 00007fa88837a6c0 R11: 0000000000000246 R12: 00007fa88844332c
R13: 00007fa8884101a4 R14: 64626e2f7665642f R15: 00007ffe6f36fcd8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x2ac/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+0xfab/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 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: 4482 Comm: klogd Not tainted 6.5.0-rc4-next-20230804-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:accumulate_sum kernel/sched/pelt.c:115 [inline]
RIP: 0010:___update_load_sum kernel/sched/pelt.c:226 [inline]
RIP: 0010:update_irq_load_avg+0x820/0xd50 kernel/sched/pelt.c:453
Code: 48 c1 e9 03 80 3c 01 00 0f 85 f9 04 00 00 48 8b bb c8 0b 00 00 48 89 54 24 08 48 89 34 24 e8 67 e1 fd ff 48 89 ef 48 8b 34 24 <48> b9 00 00 00 00 00 fc ff df 48 c1 ef 03 48 8b 54 24 08 80 3c 0f
RSP: 0018:ffffc9000317f850 EFLAGS: 00000002
RAX: 000000000000007f RBX: ffff8880b993c680 RCX: 1ffff11017327a49
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b993d248
RBP: ffff8880b993d248 R08: 0000000000000000 R09: fffffbfff1d598ca
R10: ffffffff8eacc657 R11: 0000000000000000 R12: 0000000000000bef
R13: 000000a6e2ffbc00 R14: ffff8880b993d25c R15: ffff8880b993d0d0
FS:  00007f5b77680380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dc78e89680 CR3: 000000002708a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 update_rq_clock_task kernel/sched/core.c:745 [inline]
 update_rq_clock kernel/sched/core.c:769 [inline]
 update_rq_clock+0x45f/0xb20 kernel/sched/core.c:750
 ttwu_queue kernel/sched/core.c:4025 [inline]
 try_to_wake_up+0x769/0x15a0 kernel/sched/core.c:4344
 autoremove_wake_function+0x16/0x150 kernel/sched/wait.c:424
 receiver_wake_function+0x53/0x80 net/core/datagram.c:81
 __wake_up_common+0x140/0x5a0 kernel/sched/wait.c:107
 __wake_up_common_lock+0xd6/0x140 kernel/sched/wait.c:138
 sock_def_readable+0x158/0x760 net/core/sock.c:3313
 unix_dgram_sendmsg+0x1133/0x1c30 net/unix/af_unix.c:2093
 sock_sendmsg_nosec net/socket.c:727 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:750
 __sys_sendto+0x255/0x340 net/socket.c:2136
 __do_sys_sendto net/socket.c:2148 [inline]
 __se_sys_sendto net/socket.c:2144 [inline]
 __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2144
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5b777e29b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffe33d741c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5b777e29b5
RDX: 000000000000008b RSI: 000055c28c466e90 RDI: 0000000000000003
RBP: 000055c28c462910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f5b77970212 R14: 00007ffe33d742c8 R15: 0000000000000000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.442 msecs