INFO: task syz-executor.2:7485 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28184 pid:7485 ppid:3636 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0x8f3/0xd90 kernel/sched/core.c:6490 schedule+0xcb/0x190 kernel/sched/core.c:6566 schedule_timeout+0xac/0x300 kernel/time/timer.c:1911 do_wait_for_common+0x3ea/0x560 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+0x46/0x60 kernel/sched/completion.c:138 __flush_work+0x124/0x1a0 kernel/workqueue.c:3073 __cancel_work_timer+0x517/0x6a0 kernel/workqueue.c:3160 tls_sk_proto_close+0x120/0x970 net/tls/tls_main.c:326 inet_release+0x184/0x1e0 net/ipv4/af_inet.c:428 __sock_release net/socket.c:650 [inline] sock_close+0xd7/0x260 net/socket.c:1365 __fput+0x3ba/0x880 fs/file_table.c:320 task_work_run+0x146/0x1c0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:169 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f999283d37b RSP: 002b:00007fff99942ac0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f999283d37b RDX: 0000001b2e820000 RSI: 00007f9992800000 RDI: 0000000000000003 RBP: 00007f99929ad980 R08: 0000000000000000 R09: 00000000e1e6a26d R10: 00007fff999920b8 R11: 0000000000000293 R12: 000000000030455d R13: 00007fff99942bc0 R14: 00007f99929ac050 R15: 0000000000000032 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x47c/0x4b0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xcd5/0xd20 kernel/hung_task.c:377 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:572 [inline] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x43d/0x800 drivers/acpi/processor_idle.c:709