INFO: task syz.1.382:5642 blocked for more than 145 seconds. Not tainted 5.15.167-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.382 state:D stack: 0 pid: 5642 ppid: 4023 flags:0x00000001 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5027 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6373 schedule+0x11c/0x1c8 kernel/sched/core.c:6456 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6515 rwsem_down_read_slowpath+0x5b0/0x988 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x10c/0x398 kernel/locking/rwsem.c:1500 filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 do_page_cache_ra+0x100/0x11c mm/readahead.c:269 do_sync_mmap_readahead+0x514/0x6d4 mm/filemap.c:2996 filemap_fault+0x5a4/0xf5c mm/filemap.c:3089 __do_fault+0x120/0x5d0 mm/memory.c:3898 do_cow_fault mm/memory.c:4263 [inline] do_fault mm/memory.c:4364 [inline] handle_pte_fault mm/memory.c:4620 [inline] __handle_mm_fault mm/memory.c:4755 [inline] handle_mm_fault+0x1f74/0x33a8 mm/memory.c:4853 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x700/0xb60 arch/arm64/mm/fault.c:605 do_translation_fault+0xe8/0x138 arch/arm64/mm/fault.c:686 do_mem_abort+0x70/0x1d8 arch/arm64/mm/fault.c:819 el0_da+0x94/0x20c arch/arm64/kernel/entry-common.c:494 el0t_64_sync_handler+0xc0/0xe4 arch/arm64/kernel/entry-common.c:629 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 INFO: task syz.1.382:5643 blocked for more than 146 seconds. Not tainted 5.15.167-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.382 state:D stack: 0 pid: 5643 ppid: 4023 flags:0x00000001 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5027 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6373 schedule+0x11c/0x1c8 kernel/sched/core.c:6456 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6515 rwsem_down_read_slowpath+0x5b0/0x988 kernel/locking/rwsem.c:1055 __down_read_common kernel/locking/rwsem.c:1239 [inline] __down_read kernel/locking/rwsem.c:1252 [inline] down_read+0x10c/0x398 kernel/locking/rwsem.c:1500 filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 do_page_cache_ra+0x100/0x11c mm/readahead.c:269 do_sync_mmap_readahead+0x514/0x6d4 mm/filemap.c:2996 filemap_fault+0x5a4/0xf5c mm/filemap.c:3089 __do_fault+0x120/0x5d0 mm/memory.c:3898 do_read_fault mm/memory.c:4234 [inline] do_fault mm/memory.c:4362 [inline] handle_pte_fault mm/memory.c:4620 [inline] __handle_mm_fault mm/memory.c:4755 [inline] handle_mm_fault+0x21e8/0x33a8 mm/memory.c:4853 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x700/0xb60 arch/arm64/mm/fault.c:605 do_translation_fault+0xe8/0x138 arch/arm64/mm/fault.c:686 do_mem_abort+0x70/0x1d8 arch/arm64/mm/fault.c:819 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:358 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:418 el1h_64_sync+0x78/0x7c arch/arm64/kernel/entry.S:522 __arch_copy_from_user+0x1b4/0x218 arch/arm64/lib/copy_template.S:164 copy_from_iter include/linux/uio.h:164 [inline] sk_msg_memcopy_from_iter+0x2c4/0x578 net/core/skmsg.c:394 tls_sw_sendmsg+0x8f4/0x1320 net/tls/tls_sw.c:1100 inet6_sendmsg+0xb4/0xd8 net/ipv6/af_inet6.c:669 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x388/0x4d0 net/socket.c:2058 __do_sys_sendto net/socket.c:2070 [inline] __se_sys_sendto net/socket.c:2066 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2066 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014c917e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by getty/3776: #0: ffff0000d33bf098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001d60e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 1 lock held by syz-executor/4030: #0: ffff800014c95de8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffff800014c95de8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x320/0x660 kernel/rcu/tree_exp.h:845 2 locks held by kworker/u4:10/4132: 2 locks held by udevd/4225: 4 locks held by udevd/4237: 1 lock held by syz.2.98/4525: 2 locks held by kworker/0:13/4553: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff800022db7c00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 1 lock held by syz.1.382/5642: #0: ffff0000c51e4450 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #0: ffff0000c51e4450 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 3 locks held by syz.1.382/5643: #0: ffff0000e700acd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendmsg+0x214/0x1320 net/tls/tls_sw.c:985 #1: ffff0000cc564da0 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1676 [inline] #1: ffff0000cc564da0 (sk_lock-AF_INET6){+.+.}-{0:0}, at: tls_sw_sendmsg+0x23c/0x1320 net/tls/tls_sw.c:988 #2: ffff0000c51e4450 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #2: ffff0000c51e4450 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195 2 locks held by syz.2.1084/7886: =============================================