INFO: task syz-executor.1:881 blocked for more than 143 seconds. Not tainted 6.7.0-rc5-syzkaller-gd5b235ec8eab #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:881 tgid:881 ppid:6141 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 rwsem_down_read_slowpath+0x57c/0xe58 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1250 [inline] __down_read kernel/locking/rwsem.c:1263 [inline] down_read+0xa0/0x2fc kernel/locking/rwsem.c:1528 filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] filemap_fault+0x504/0xff4 mm/filemap.c:3225 __do_fault+0x11c/0x3d8 mm/memory.c:4266 do_shared_fault mm/memory.c:4693 [inline] do_fault mm/memory.c:4767 [inline] do_pte_missing mm/memory.c:3731 [inline] handle_pte_fault mm/memory.c:5039 [inline] __handle_mm_fault mm/memory.c:5180 [inline] handle_mm_fault+0x1a8c/0x4a7c mm/memory.c:5345 do_page_fault+0x32c/0xa54 arch/arm64/mm/fault.c:601 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:710 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:846 el0_da+0x60/0x168 arch/arm64/kernel/entry-common.c:546 el0t_64_sync_handler+0xcc/0xfc arch/arm64/kernel/entry-common.c:699 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 INFO: task syz-executor.1:889 blocked for more than 143 seconds. Not tainted 6.7.0-rc5-syzkaller-gd5b235ec8eab #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:889 tgid:881 ppid:6141 flags:0x00000005 Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5376 [inline] __schedule+0x1354/0x2360 kernel/sched/core.c:6688 __schedule_loop kernel/sched/core.c:6763 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6778 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580 filemap_invalidate_lock include/linux/fs.h:847 [inline] blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 vfs_fallocate+0x478/0x5b4 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __arm64_sys_fallocate+0xc0/0x110 fs/open.c:353 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008e6c4e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300 2 locks held by kworker/u4:8/581: #0: ffff0000c0021938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600 #1: ffff0001b4152e48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:988 2 locks held by getty/5863: #0: ffff0000d277c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800094e602f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 2 locks held by syz-executor.1/881: #0: ffff0000d71f33d0 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:663 [inline] #0: ffff0000d71f33d0 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x288/0x600 mm/memory.c:5501 #1: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #1: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x504/0xff4 mm/filemap.c:3225 3 locks held by syz-executor.1/883: 1 lock held by syz-executor.1/889: #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 1 lock held by syz-executor.1/985: #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x58c mm/readahead.c:225 1 lock held by syz-executor.1/986: #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 1 lock held by syz-executor.1/1046: #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x58c mm/readahead.c:225 1 lock held by syz-executor.1/1047: #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:847 [inline] #0: ffff0000c15542d8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1d8/0x4b8 block/fops.c:785 =============================================