INFO: task syz-executor.5:9935 blocked for more than 143 seconds. Not tainted 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:9935 ppid:4448 flags:0x00000001 Call trace: __switch_to+0x210/0x424 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5293 [inline] __schedule+0x6a4/0xb34 kernel/sched/core.c:6606 schedule+0x64/0xa4 kernel/sched/core.c:6682 schedule_timeout+0x60/0x194 kernel/time/timer.c:2143 do_wait_for_common+0xf4/0x184 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x48/0x60 kernel/sched/completion.c:138 __flush_work+0xd4/0x144 kernel/workqueue.c:3073 __cancel_work_timer+0x1c0/0x2a8 kernel/workqueue.c:3160 cancel_delayed_work_sync+0x24/0x38 kernel/workqueue.c:3301 tls_sw_cancel_work_tx+0x4c/0xa4 net/tls/tls_sw.c:2303 tls_sk_proto_close+0x68/0x584 net/tls/tls_main.c:326 inet_release+0xb0/0xe4 net/ipv4/af_inet.c:428 inet6_release+0x3c/0x58 net/ipv6/af_inet6.c:489 __sock_release net/socket.c:650 [inline] sock_close+0x50/0xf4 net/socket.c:1365 __fput+0x198/0x3e4 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x165c/0x2628 arch/arm64/kernel/signal.c:1302 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x14c arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffff80000d4955c8 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x448 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/12: #0: ffff80000d495c18 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x448 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/27: #0: ffff80000d4954a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:324 2 locks held by getty/4098: #0: ffff0000c41bb898 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244 #1: ffff80000f6a62f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x28c/0xbc4 drivers/tty/n_tty.c:2177 3 locks held by kworker/1:5/4518: #0: ffff0000c0012738 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x274/0x9d0 kernel/workqueue.c:2262 #1: ffff800012f13d80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x2a0/0x9d0 kernel/workqueue.c:2264 #2: ffff0001287e9ad8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x88/0xf8 net/tls/tls_sw.c:2419 3 locks held by kworker/0:6/26276: #0: ffff0000c0012738 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x274/0x9d0 kernel/workqueue.c:2262 #1: ffff8000164e3d80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x2a0/0x9d0 kernel/workqueue.c:2264 #2: ffff000119a902d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x88/0xf8 net/tls/tls_sw.c:2419 3 locks held by kworker/0:3/16105: #0: ffff0000c0012738 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x274/0x9d0 kernel/workqueue.c:2262 #1: ffff800020993d80 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x2a0/0x9d0 kernel/workqueue.c:2264 #2: ffff00011e82dad8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x88/0xf8 net/tls/tls_sw.c:2419 1 lock held by syz-executor.5/9935: #0: ffff0001220cd850 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff0001220cd850 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff0001220cd850 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf4 net/socket.c:1365 1 lock held by syz-executor.5/13546: #0: ffff000118845e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff000118845e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff000118845e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf4 net/socket.c:1365 1 lock held by syz-executor.4/13554: #0: ffff000131210d90 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff000131210d90 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline] #0: ffff000131210d90 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x40/0xf4 net/socket.c:1365 =============================================