INFO: task syz-executor.1:16126 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid:16126 ppid: 16111 flags:0x00000001
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 rwsem_down_write_slowpath+0x258/0x468 kernel/locking/rwsem.c:1182
 __down_write_common kernel/locking/rwsem.c:1297 [inline]
 __down_write kernel/locking/rwsem.c:1306 [inline]
 down_write+0x88/0xcc kernel/locking/rwsem.c:1553
 filemap_invalidate_lock include/linux/fs.h:801 [inline]
 blkdev_fallocate+0x148/0x258 block/fops.c:641
 vfs_fallocate+0x328/0x38c fs/open.c:323
 madvise_remove+0x118/0x1c0 mm/madvise.c:976
 madvise_vma_behavior+0x1a8/0x7d4 mm/madvise.c:1000
 madvise_walk_vmas mm/madvise.c:1232 [inline]
 do_madvise+0x3f0/0x5ac mm/madvise.c:1410
 __do_sys_madvise mm/madvise.c:1423 [inline]
 __se_sys_madvise mm/madvise.c:1421 [inline]
 __arm64_sys_madvise+0x2c/0x40 mm/madvise.c:1421
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d433568 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffff80000d433bb8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffff80000d433440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:279
1 lock held by khugepaged/33:
2 locks held by getty/2716:
 #0: ffff0000c7280898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f6162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:6/3482:
2 locks held by kworker/u4:15/11814:
 #0: ffff0001fefeec58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:544 [inline]
 #0: ffff0001fefeec58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
 #0: ffff0001fefeec58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1653 [inline]
 #0: ffff0001fefeec58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0xa4/0x5a0 kernel/sched/core.c:6411
 #1: ffff0001fefddb88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x250/0x310 kernel/sched/psi.c:885
1 lock held by syz-executor.1/15987:
1 lock held by syz-executor.1/16125:
1 lock held by syz-executor.1/16126:
 #0: ffff0000c5215cd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
 #0: ffff0000c5215cd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x148/0x258 block/fops.c:641
1 lock held by syz-executor.1/16188:
 #0: ffff0000c5215cd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
 #0: ffff0000c5215cd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x5c/0x338 mm/readahead.c:220
1 lock held by syz-executor.1/16189:
 #0: ffff0000c5215cd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
 #0: ffff0000c5215cd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x5c/0x338 mm/readahead.c:220

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