INFO: task syz.1.532:5233 blocked for more than 432 seconds.
      Not tainted 6.11.0-syzkaller-07462-g1868f9d0260e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.532       state:D stack:0     pid:5233  tgid:5232  ppid:3275   flags:0x00000001
Call trace:
 __switch_to+0x204/0x39c arch/arm64/kernel/process.c:603
 context_switch kernel/sched/core.c:5264 [inline]
 __schedule+0xaf4/0x2df8 kernel/sched/core.c:6607
 __schedule_loop kernel/sched/core.c:6684 [inline]
 schedule+0xd0/0x304 kernel/sched/core.c:6699
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6756
 rwsem_down_write_slowpath+0x4b0/0xd1c kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x18c/0x1a4 kernel/locking/rwsem.c:1580
 filemap_invalidate_lock include/linux/fs.h:860 [inline]
 blkdev_fallocate+0x130/0x278 block/fops.c:808
 vfs_fallocate+0x254/0x858 fs/open.c:333
 ksys_fallocate+0x4c/0x9c fs/open.c:356
 __do_sys_fallocate fs/open.c:364 [inline]
 __se_sys_fallocate fs/open.c:362 [inline]
 __arm64_sys_fallocate+0x88/0xcc fs/open.c:362
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffff800086dc4ea0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x44/0x2d4 kernel/locking/lockdep.c:6695
3 locks held by syslogd/3078:
2 locks held by getty/3213:
 #0: ffff000017dbb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80008ce6b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x93c/0xe9c drivers/tty/n_tty.c:2211
2 locks held by syz-executor/3267:
1 lock held by syz.0.470/4974:
1 lock held by syz.1.532/5233:
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:860 [inline]
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x130/0x278 block/fops.c:808
1 lock held by syz.0.687/5796:
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:860 [inline]
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x130/0x278 block/fops.c:808
1 lock held by syz.1.725/6001:
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x150/0x57c mm/readahead.c:226
1 lock held by syz.1.725/6007:
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
 #0: ffff00000dd12bd0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x150/0x57c mm/readahead.c:226
1 lock held by syz-executor/6041:
2 locks held by syz.0.742/6097:

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