INFO: task syz-executor.1:25526 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc1-syzkaller-00072-gaed8aee11130 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:26864 pid:25526 ppid:5069   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
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
 __down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
 filemap_invalidate_lock include/linux/fs.h:847 [inline]
 blk_ioctl_zeroout block/ioctl.c:184 [inline]
 blkdev_common_ioctl+0x1711/0x2860 block/ioctl.c:510
 blkdev_ioctl+0x520/0x730 block/ioctl.c:624
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 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: 0033:0x7ff3ebe7cae9
RSP: 002b:00007ff3ecba20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff3ebf9bf80 RCX: 00007ff3ebe7cae9
RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000004
RBP: 00007ff3ecba2120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007ff3ebf9bf80 R15: 00007ffd694869b8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00072-gaed8aee11130 #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: 25535 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller-00072-gaed8aee11130 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:page_ref_count include/linux/page_ref.h:67 [inline]
RIP: 0010:put_page_testzero include/linux/mm.h:1095 [inline]
RIP: 0010:folio_put_testzero include/linux/mm.h:1101 [inline]
RIP: 0010:move_folios_to_lru+0x386/0x2340 mm/vmscan.c:2521
Code: 5a 1d 00 00 4c 89 74 24 70 0f 1f 44 00 00 e8 91 9e c5 ff 48 8b 5c 24 18 4c 89 ff be 08 00 00 00 e8 1f 8f 1f 00 f0 80 4b f8 20 <4c> 8d 73 2c 4c 89 f7 be 04 00 00 00 e8 e9 8e 1f 00 4c 89 f0 48 c1
RSP: 0018:ffffc90015ef67e0 EFLAGS: 00000006
RAX: ffffffff81c80401 RBX: ffffea00029e2148 RCX: ffffffff81c80511
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffea00029e2140
RBP: ffffc90015ef6930 R08: ffffea00029e2147 R09: 1ffffd400053c428
R10: dffffc0000000000 R11: fffff9400053c429 R12: dffffc0000000000
R13: ffffc90015ef6b00 R14: ffffea00029e2150 R15: ffffea00029e2140
FS:  000055555596b480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557392938 CR3: 00000000774c9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 shrink_inactive_list mm/vmscan.c:2617 [inline]
 shrink_list mm/vmscan.c:2855 [inline]
 shrink_lruvec+0x16fe/0x2d30 mm/vmscan.c:6319
 shrink_node_memcgs mm/vmscan.c:6505 [inline]
 shrink_node+0x1176/0x28c0 mm/vmscan.c:6540
 shrink_zones mm/vmscan.c:6779 [inline]
 do_try_to_free_pages+0x717/0x19e0 mm/vmscan.c:6841
 try_to_free_mem_cgroup_pages+0x455/0xa50 mm/vmscan.c:7156
 try_charge_memcg+0x5e1/0x16e0 mm/memcontrol.c:2691
 try_charge mm/memcontrol.c:2833 [inline]
 charge_memcg+0x11a/0x3f0 mm/memcontrol.c:6983
 __mem_cgroup_charge+0x27/0x80 mm/memcontrol.c:7004
 mem_cgroup_charge include/linux/memcontrol.h:686 [inline]
 __filemap_add_folio+0x3e9/0x1ac0 mm/filemap.c:857
 filemap_add_folio+0x11e/0x570 mm/filemap.c:939
 page_cache_ra_unbounded+0x210/0x7c0 mm/readahead.c:250
 do_sync_mmap_readahead+0x444/0x850
 filemap_fault+0x7d3/0x1710 mm/filemap.c:3291
 __do_fault+0x133/0x4e0 mm/memory.c:4204
 do_shared_fault mm/memory.c:4635 [inline]
 do_fault mm/memory.c:4709 [inline]
 do_pte_missing mm/memory.c:3669 [inline]
 handle_pte_fault mm/memory.c:4978 [inline]
 __handle_mm_fault mm/memory.c:5119 [inline]
 handle_mm_fault+0x21b8/0x6200 mm/memory.c:5284
 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x2ac/0x860 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fee4845db98
Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5
RSP: 002b:00007ffcb938f958 EFLAGS: 00010202
RAX: 0000000020000000 RBX: 00007ffcb938fa68 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000000020000000
RBP: 0000000000000032 R08: 00007fee48400000 R09: 00000000000003cc
R10: 0000000081337902 R11: 0000000000000246 R12: 00007fee480001b0
R13: fffffffffffffffe R14: 00007fee48000000 R15: 00007fee480001b8
 </TASK>