INFO: task syz-executor.0:18623 blocked for more than 143 seconds. Not tainted 6.1.15-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:0 pid:18623 ppid:4337 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5238 [inline] __schedule+0xf84/0x1d54 kernel/sched/core.c:6551 schedule+0xc4/0x170 kernel/sched/core.c:6627 rwsem_down_write_slowpath+0xd60/0x161c kernel/locking/rwsem.c:1190 __down_write_common kernel/locking/rwsem.c:1305 [inline] __down_write kernel/locking/rwsem.c:1314 [inline] down_write+0x84/0x88 kernel/locking/rwsem.c:1563 filemap_invalidate_lock include/linux/fs.h:801 [inline] blkdev_fallocate+0x1d4/0x340 block/fops.c:641 vfs_fallocate+0x478/0x5b4 fs/open.c:323 madvise_remove mm/madvise.c:991 [inline] madvise_vma_behavior mm/madvise.c:1015 [inline] madvise_walk_vmas mm/madvise.c:1250 [inline] do_madvise+0x1724/0x2eb8 mm/madvise.c:1429 __do_sys_madvise mm/madvise.c:1442 [inline] __se_sys_madvise mm/madvise.c:1440 [inline] __arm64_sys_madvise+0xa4/0xc0 mm/madvise.c:1440 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 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/12: #0: ffff800015915df0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcb4 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffff8000159165f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcb4 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffff800015915c20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:303 1 lock held by klogd/3828: 2 locks held by getty/3991: #0: ffff0000d431a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001bbb02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177 3 locks held by kworker/u4:9/5750: 1 lock held by syz-executor.0/18616: 1 lock held by syz-executor.0/18623: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 block/fops.c:641 1 lock held by syz-executor.4/18661: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x6bc mm/readahead.c:226 1 lock held by syz-executor.4/18667: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 block/fops.c:641 1 lock held by syz-executor.0/18684: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x6bc mm/readahead.c:226 1 lock held by syz-executor.0/18685: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 block/fops.c:641 1 lock held by syz-executor.0/18742: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x6bc mm/readahead.c:226 1 lock held by syz-executor.0/18744: #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] #0: ffff0000c04a9ed8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d4/0x340 block/fops.c:641 =============================================