INFO: task syz-executor.3:23509 blocked for more than 143 seconds. Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:0 pid:23509 ppid:4450 flags:0x00000001 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0x438/0x5a0 kernel/sched/core.c:6555 schedule+0x64/0xa4 kernel/sched/core.c:6631 rwsem_down_read_slowpath+0x228/0x444 kernel/locking/rwsem.c:1095 __down_read_common+0x48/0x154 kernel/locking/rwsem.c:1260 __down_read kernel/locking/rwsem.c:1269 [inline] down_read+0x68/0x78 kernel/locking/rwsem.c:1511 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x104/0x7fc mm/filemap.c:3146 __do_fault+0x60/0x358 mm/memory.c:4163 do_shared_fault mm/memory.c:4569 [inline] do_fault+0x23c/0x550 mm/memory.c:4647 handle_pte_fault mm/memory.c:4931 [inline] __handle_mm_fault mm/memory.c:5073 [inline] handle_mm_fault+0x824/0xb28 mm/memory.c:5219 __do_page_fault arch/arm64/mm/fault.c:512 [inline] do_page_fault+0x428/0x79c arch/arm64/mm/fault.c:612 do_translation_fault+0x78/0x194 arch/arm64/mm/fault.c:695 do_mem_abort+0x54/0x130 arch/arm64/mm/fault.c:831 el0_da+0x70/0x16c arch/arm64/kernel/entry-common.c:515 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 INFO: task syz-executor.3:23516 blocked for more than 144 seconds. Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:0 pid:23516 ppid:4450 flags:0x00000001 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0x438/0x5a0 kernel/sched/core.c:6555 schedule+0x64/0xa4 kernel/sched/core.c:6631 rwsem_down_write_slowpath+0x258/0x468 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+0x148/0x258 block/fops.c:634 vfs_fallocate+0x328/0x38c fs/open.c:323 madvise_remove+0x118/0x1c0 mm/madvise.c:1006 madvise_vma_behavior+0x210/0x7fc mm/madvise.c:1030 madvise_walk_vmas mm/madvise.c:1265 [inline] do_madvise+0x438/0x5c0 mm/madvise.c:1444 __do_sys_madvise mm/madvise.c:1457 [inline] __se_sys_madvise mm/madvise.c:1455 [inline] __arm64_sys_madvise+0x2c/0x40 mm/madvise.c:1455 __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+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffff80000d645648 (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: ffff80000d645c98 (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: ffff80000d645520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:324 1 lock held by udevd/3926: 2 locks held by getty/4077: #0: ffff0000c74e3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244 #1: ffff80000f8562f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177 3 locks held by kworker/u4:9/4701: #0: ffff0000c0138d38 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262 #1: ffff800014c13d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264 #2: ffff80000da18398 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x68/0x650 net/core/net_namespace.c:568 2 locks held by kworker/u4:36/4886: 2 locks held by syz-executor.3/23509: #0: ffff00011ecdc4c8 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] #0: ffff00011ecdc4c8 (&mm->mmap_lock){++++}-{3:3}, at: do_page_fault+0x1ec/0x79c arch/arm64/mm/fault.c:593 #1: ffff0000c5f332d0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff0000c5f332d0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_fault+0x104/0x7fc mm/filemap.c:3146 3 locks held by syz-executor.3/23511: 1 lock held by syz-executor.3/23516: #0: ffff0000c5f332d0 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline] #0: ffff0000c5f332d0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x148/0x258 block/fops.c:634 1 lock held by syz-executor.3/26072: #0: ffff00010cfb5e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff00010cfb5e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff00010cfb5e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf0 net/socket.c:1365 1 lock held by syz-executor.1/26089: 5 locks held by syz-executor.2/26099: =============================================