INFO: task syz.4.1820:12458 blocked for more than 143 seconds.
      Not tainted 6.13.0-rc2-syzkaller-00031-gf92f4749861b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.1820      state:D stack:24128 pid:12458 tgid:12458 ppid:5823   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
 __down_read_common kernel/locking/rwsem.c:1248 [inline]
 __down_read kernel/locking/rwsem.c:1261 [inline]
 down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
 filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
 filemap_fault+0x615/0x1490 mm/filemap.c:3332
 __do_fault+0x135/0x390 mm/memory.c:4907
 do_shared_fault mm/memory.c:5386 [inline]
 do_fault mm/memory.c:5460 [inline]
 do_pte_missing mm/memory.c:3979 [inline]
 handle_pte_fault+0xfcf/0x5ed0 mm/memory.c:5801
 __handle_mm_fault mm/memory.c:5944 [inline]
 handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6112
 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
 handle_page_fault arch/x86/mm/fault.c:1481 [inline]
 exc_page_fault+0x459/0x8b0 arch/x86/mm/fault.c:1539
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fcce0d47c7c
RSP: 002b:00007ffd6cb226b8 EFLAGS: 00010202
RAX: 00000000200007c0 RBX: 0000000000000004 RCX: ffffffffffffffee
RDX: 0000000000000011 RSI: 00007fcce0801282 RDI: 00000000200007c0
RBP: 00007fcce0f47ba0 R08: 00007fcce0c00000 R09: 0000000000000022
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000095ec3
R13: 00007ffd6cb227c0 R14: 0000000000000032 R15: fffffffffffffffe
 </TASK>
INFO: task syz.4.1820:12469 blocked for more than 143 seconds.
      Not tainted 6.13.0-rc2-syzkaller-00031-gf92f4749861b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.1820      state:D stack:25552 pid:12469 tgid:12458 ppid:5823   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:813
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 madvise_remove mm/madvise.c:1020 [inline]
 madvise_vma_behavior mm/madvise.c:1255 [inline]
 madvise_walk_vmas mm/madvise.c:1497 [inline]
 do_madvise+0x23c1/0x4d10 mm/madvise.c:1684