INFO: task syz-executor.5:20593 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00125-ge42bebf6db29 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:24752 pid:20593 ppid:5085   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
 io_schedule+0x8c/0x100 kernel/sched/core.c:9026
 folio_wait_bit_common+0x871/0x12a0 mm/filemap.c:1301
 clean_bdev_aliases+0x2f9/0x770 fs/buffer.c:1725
 clean_bdev_bh_alias include/linux/buffer_head.h:219 [inline]
 __block_write_begin_int+0x771/0x1a40 fs/buffer.c:2115
 iomap_write_begin+0xaf6/0x1f00 fs/iomap/buffered-io.c:772
 iomap_write_iter fs/iomap/buffered-io.c:907 [inline]
 iomap_file_buffered_write+0x587/0x1020 fs/iomap/buffered-io.c:968
 blkdev_buffered_write block/fops.c:634 [inline]
 blkdev_write_iter+0x3f5/0x5b0 block/fops.c:684
 do_iter_write+0x84f/0xde0 fs/read_write.c:860
 iter_file_splice_write+0x86d/0x1010 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0xea/0x1c0 fs/splice.c:1142
 splice_direct_to_actor+0x376/0x9e0 fs/splice.c:1088
 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1194
 do_sendfile+0x623/0x1070 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fac4187cae9
RSP: 002b:00007fac426020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fac4199c120 RCX: 00007fac4187cae9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007fac418c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0100000000000042 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fac4199c120 R15: 00007ffd4220c1d8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00125-ge42bebf6db29 #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: 22278 Comm: kworker/u4:25 Not tainted 6.6.0-rc1-syzkaller-00125-ge42bebf6db29 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue:  0x0 (events_unbound)
RIP: 0010:update_curr+0x48/0xcf0
Code: 8d 4f 60 48 89 4c 24 18 48 c1 e9 03 48 89 4c 24 30 80 3c 01 00 74 0a 48 8b 7c 24 18 e8 11 7f 83 00 48 8b 44 24 08 48 8b 48 60 <48> 89 0c 24 48 8d 98 70 01 00 00 48 89 d9 48 c1 e9 03 48 b8 00 00
RSP: 0018:ffffc9001a917028 EFLAGS: 00000046
RAX: ffff8880b983c3c0 RBX: 0000000000000009 RCX: ffff888018e7d9c0
RDX: 0000000000000008 RSI: ffff88807ecdd9c0 RDI: ffff8880b983c3c0
RBP: ffff88807ecdda60 R08: ffffffff8e9a66af R09: 1ffffffff1d34cd5
R10: dffffc0000000000 R11: fffffbfff1d34cd6 R12: ffff8880b983c3c0
R13: 1ffff1100fd9bb4c R14: ffff8880b983c3c0 R15: 0000000000000009
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff14ff0652e CR3: 000000000d130000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 dequeue_entity+0x8e/0x16d0 kernel/sched/fair.c:5121
 dequeue_task_fair+0x27a/0x1400 kernel/sched/fair.c:6559
 detach_task kernel/sched/fair.c:8732 [inline]
 detach_tasks kernel/sched/fair.c:8872 [inline]
 load_balance+0x6120/0x8800 kernel/sched/fair.c:11045
 newidle_balance+0x660/0xff0 kernel/sched/fair.c:12059
 pick_next_task_fair+0x27a/0xdc0 kernel/sched/fair.c:8234
 __pick_next_task kernel/sched/core.c:6004 [inline]
 pick_next_task kernel/sched/core.c:6079 [inline]
 __schedule+0x7c6/0x48f0 kernel/sched/core.c:6659
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 worker_thread+0xcad/0x1060 kernel/workqueue.c:2799
 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>