INFO: task syz-executor.3:31151 blocked for more than 143 seconds. Not tainted 5.3.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28384 31151 10723 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x755/0x1580 kernel/sched/core.c:3880 schedule+0xd9/0x260 kernel/sched/core.c:3947 schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x29c/0x440 kernel/sched/completion.c:136 __flush_work+0x508/0xa50 kernel/workqueue.c:3040 __cancel_work_timer+0x3d9/0x540 kernel/workqueue.c:3127 cancel_delayed_work_sync+0x1b/0x20 kernel/workqueue.c:3259 tls_sw_cancel_work_tx+0x68/0x80 net/tls/tls_sw.c:2063 tls_sk_proto_close+0x4ac/0x990 net/tls/tls_main.c:299 inet_release+0xed/0x200 net/ipv4/af_inet.c:427 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:470 __sock_release+0xce/0x280 net/socket.c:590 sock_close+0x1e/0x30 net/socket.c:1268 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413561 Code: e5 49 d3 e4 48 83 f9 40 4d 19 f6 4d 21 f4 4d 09 ec 4c 8d 04 09 4c 89 d9 49 83 f8 40 76 da 45 84 c9 0f 84 fb 04 00 00 45 0f b6 41 bb 39 00 00 00 45 0f b6 db 49 89 c5 44 89 d8 49 89 d3 31 d2 RSP: 002b:00007ffd6086e030 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413561 RDX: 0000001b31e20000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00000000efb10e7c R09: 00000000efb10e80 R10: 00007ffd6086e110 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760f08 R15: ffffffffffffffff INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 1056 Comm: khungtaskd Not tainted 5.3.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0x9d0/0xef0 kernel/hung_task.c:289 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:cpumask_next+0x1/0x50 lib/cpumask.c:18 Code: b8 e8 c3 3a 75 fa e9 c8 fe ff ff 4c 89 e7 e8 b6 39 75 fa e9 24 fe ff ff 48 89 df e8 a9 39 75 fa e9 cc fd ff ff 90 90 90 90 55 <48> 89 e5 41 54 49 89 f4 53 89 fb e8 df 2b 3b fa 83 c3 01 bf 40 00 RSP: 0018:ffff8880ae909df8 EFLAGS: 00000246 RAX: 0000000000000007 RBX: dffffc0000000000 RCX: ffffffff833bff5b RDX: 0000000000000000 RSI: ffffffff89e50400 RDI: 0000000000000001 RBP: ffff8880ae909e88 R08: ffff8880a98c6340 R09: ffffed1015d26add R10: ffffed1015d26adc R11: ffff8880ae9356e3 R12: ffffffff89a57d44 R13: ffff8880ae936148 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000009ac2e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nohz_idle_balance kernel/sched/fair.c:9734 [inline] run_rebalance_domains+0x1c6/0x2d0 kernel/sched/fair.c:9917 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 scheduler_ipi+0x3ae/0x640 kernel/sched/core.c:2228 smp_reschedule_interrupt+0x78/0x4c0 arch/x86/kernel/smp.c:276 reschedule_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:854 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 28 92 6e fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 44 3b 4a 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 34 3b 4a 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 ee 51 22 fa e8 a9 RSP: 0018:ffff8880a98dfd68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff02 RAX: 1ffffffff11a5e8d RBX: ffff8880a98c6340 RCX: 1ffffffff134b5ae RDX: dffffc0000000000 RSI: ffffffff8177f03e RDI: ffffffff873de4ec RBP: ffff8880a98dfd98 R08: ffff8880a98c6340 R09: ffffed1015318c69 R10: ffffed1015318c68 R11: ffff8880a98c6347 R12: dffffc0000000000 R13: ffffffff89a57b78 R14: 0000000000000000 R15: 0000000000000001 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x413/0x760 kernel/sched/idle.c:263 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354 start_secondary+0x315/0x430 arch/x86/kernel/smpboot.c:264 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241