INFO: task syz.0.19124:17210 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.19124     state:D stack:0     pid:17210 tgid:17209 ppid:25540  task_flags:0x400140 flags:0x00000001
Call trace:
 __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T)
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x140/0x218 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340
 rwsem_down_write_slowpath+0x6b8/0x113c kernel/locking/rwsem.c:1215
 __down_write_common kernel/locking/rwsem.c:1347 [inline]
 __down_write kernel/locking/rwsem.c:1356 [inline]
 down_write+0xb4/0xc0 kernel/locking/rwsem.c:1626
 filemap_invalidate_lock include/linux/fs.h:1084 [inline]
 blkdev_fallocate+0x22c/0x354 block/fops.c:908
 vfs_fallocate+0x514/0x650 fs/open.c:338
 madvise_remove mm/madvise.c:1039 [inline]
 madvise_vma_behavior+0x2778/0x3440 mm/madvise.c:1352
 madvise_walk_vmas+0x4b4/0x9a4 mm/madvise.c:1713
 madvise_do_behavior+0x5f4/0x7c4 mm/madvise.c:1929
 do_madvise+0x1ac/0x278 mm/madvise.c:2022
 __do_sys_madvise mm/madvise.c:2031 [inline]
 __se_sys_madvise mm/madvise.c:2029 [inline]
 __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:2029
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594
INFO: lockdep is turned off.