INFO: task syz-executor.0:5985 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-11191-g6e32dfcccfcc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:25264 pid:5985  ppid:5061   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:1304
 folio_lock include/linux/pagemap.h:1042 [inline]
 write_cache_pages+0x517/0x13f0 mm/page-writeback.c:2441
 iomap_writepages+0x68/0x240 fs/iomap/buffered-io.c:1979
 gfs2_writepages+0x169/0x1f0 fs/gfs2/aops.c:191
 do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:393
 __filemap_fdatawrite_range mm/filemap.c:426 [inline]
 __filemap_fdatawrite mm/filemap.c:432 [inline]
 filemap_fdatawrite+0x143/0x1b0 mm/filemap.c:437
 gfs2_ordered_write fs/gfs2/log.c:740 [inline]
 gfs2_log_flush+0xa42/0x25f0 fs/gfs2/log.c:1098
 gfs2_trans_end+0x39f/0x560 fs/gfs2/trans.c:158
 gfs2_page_mkwrite+0x1262/0x14f0 fs/gfs2/file.c:533
 do_page_mkwrite+0x197/0x470 mm/memory.c:2931
 do_shared_fault mm/memory.c:4647 [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+0x22b2/0x6200 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: 0033:0x7ffb3d65db6b
RSP: 002b:00007ffc10417ff8 EFLAGS: 00010202
RAX: 0000000020000440 RBX: 00007ffc10418108 RCX: 0000000000737562
RDX: 0000000000000006 RSI: 0000000075622f2e RDI: 0000000020000440
RBP: 0000000000000032 R08: 00007ffb3d600000 R09: 0000000000000003
R10: 0000000081336d03 R11: 0000000000000246 R12: 00007ffb3d2130e0
R13: fffffffffffffffe R14: 00007ffb3d200000 R15: 00007ffb3d2130e8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11191-g6e32dfcccfcc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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: 9175 Comm: syz-executor.5 Not tainted 6.5.0-syzkaller-11191-g6e32dfcccfcc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:xa_is_internal include/linux/xarray.h:171 [inline]
RIP: 0010:xa_is_sibling include/linux/xarray.h:1265 [inline]
RIP: 0010:xas_descend+0x163/0x440 lib/xarray.c:209
Code: b4 01 00 00 e8 0e d1 c9 f6 49 8d 5e 18 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 35 bb 23 f7 48 8b 44 24 08 48 89 03 <44> 89 fb 83 e3 03 bf 02 00 00 00 48 89 de e8 1a d5 c9 f6 49 81 ff
RSP: 0018:ffffc90015817058 EFLAGS: 00000046
RAX: ffff8880346a2ec0 RBX: ffffc90015817118 RCX: 0000000000040000
RDX: ffffc9000ca2b000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: dffffc0000000000 R08: ffffffff8ac3bc45 R09: 0000000000000000
R10: ffffc90015817120 R11: fffff52002b02e27 R12: 1ffff92002b02e20
R13: 000000000000002a R14: ffffc90015817100 R15: ffff88803473a682
FS:  00007f06d04696c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f154ca09000 CR3: 000000001d815000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 xas_load lib/xarray.c:244 [inline]
 __xa_set_mark+0x1d3/0x2f0 lib/xarray.c:1901
 __folio_mark_dirty+0x8b4/0x10b0 mm/page-writeback.c:2670
 mark_buffer_dirty+0x29b/0x500 fs/buffer.c:1212
 __block_commit_write+0x144/0x360 fs/buffer.c:2180
 block_write_end+0xaf/0x1b0 fs/buffer.c:2256
 ext4_da_do_write_end fs/ext4/inode.c:2951 [inline]
 ext4_da_write_end+0x33b/0x1020 fs/ext4/inode.c:3023
 generic_perform_write+0x419/0x630 mm/filemap.c:3956
 ext4_buffered_write_iter+0xc6/0x350 fs/ext4/file.c:299
 ext4_file_write_iter+0x1d3/0x1ad0 fs/ext4/file.c:717
 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: 0033:0x7f06cf67cae9
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:00007f06d04690c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f06cf79bf80 RCX: 00007f06cf67cae9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f06cf6c847a R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f06cf79bf80 R15: 00007ffc656213f8
 </TASK>