binder: 9705:9709 unknown command -183412221 binder: 9705:9709 ioctl c0306201 2000dfd0 returned -22 INFO: task syz-executor5:9678 blocked for more than 120 seconds. Not tainted 4.4.119-g024f962 #26 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D ffff8801cbfff4e0 28088 9678 8524 0x00000004 ffff8801cbfff4e0 ffffffff842bdb60 ffffffff838444e0 0000000000000000 ffffffff8515f5a0 ffff8800a7c6e800 ffff8801db21fdb8 ffff8801db21fde0 ffff8801db21f4d8 ffffffff84217840 ffff8800a7c6e000 0000000000000000 Call Trace: [] schedule+0x7a/0x1b0 kernel/sched/core.c:3353 [] schedule_timeout+0x3a0/0x970 kernel/time/timer.c:1515 [] io_schedule_timeout+0x1be/0x390 kernel/sched/core.c:4935 [] io_schedule include/linux/sched.h:447 [inline] [] bit_wait_io+0x1b/0xc0 kernel/sched/wait.c:595 [] __wait_on_bit_lock+0x8f/0x140 kernel/sched/wait.c:434 [] __lock_page+0x18d/0x1f0 mm/filemap.c:888 [] lock_page include/linux/pagemap.h:458 [inline] [] __generic_file_splice_read+0x730/0xb00 fs/splice.c:412 [] generic_file_splice_read+0xe2/0x1c0 fs/splice.c:542 [] do_splice_to+0xf5/0x140 fs/splice.c:1154 [] splice_direct_to_actor+0x250/0x830 fs/splice.c:1226 [] do_splice_direct+0x1a7/0x270 fs/splice.c:1337 [] do_sendfile+0x54c/0xd30 fs/read_write.c:1227 [] SYSC_sendfile64 fs/read_write.c:1282 [inline] [] SyS_sendfile64+0xc3/0x150 fs/read_write.c:1274 [] entry_SYSCALL_64_fastpath+0x1c/0x98 no locks held by syz-executor5/9678. Sending NMI to all CPUs: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.119-g024f962 #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffffffff84217840 task.stack: ffffffff84200000 RIP: 0010:[] [] native_apic_mem_write+0xc/0x10 arch/x86/include/asm/apic.h:94 RSP: 0018:ffffffff84207c30 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff8426f420 RCX: 0000000000000020 RDX: 1ffffffff084dea1 RSI: 00000000062f1f5d RDI: 0000000000000380 RBP: ffffffff84207c30 R08: ffff88021fffd018 R09: 0000000000000006 R10: ffffed0043fffa01 R11: 0000000000000000 R12: 00000000062f1f5d R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f378c1879b8 CR3: 00000001d203e000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff84207c50 ffffffff810b07fa 0000000000000000 ffff8801db217fc0 ffffffff84207c90 ffffffff812cfd9a 000000389070673b ffff8801db217fc0 0000000000000001 ffff8801db219640 0000000000000001 0000000000000000 Call Trace: [] apic_write arch/x86/include/asm/apic.h:392 [inline] [] lapic_next_event+0x5a/0x90 arch/x86/kernel/apic/apic.c:458 [] clockevents_program_event+0x28a/0x350 kernel/time/clockevents.c:339 [] tick_program_event+0xa8/0x110 kernel/time/tick-oneshot.c:47 [] hrtimer_force_reprogram kernel/time/hrtimer.c:601 [inline] [] __remove_hrtimer+0x1f6/0x250 kernel/time/hrtimer.c:929 [] remove_hrtimer kernel/time/hrtimer.c:958 [inline] [] hrtimer_try_to_cancel+0x2b3/0x660 kernel/time/hrtimer.c:1059 [] hrtimer_cancel+0x22/0x40 kernel/time/hrtimer.c:1079 [] tick_nohz_restart+0x1e/0x190 kernel/time/tick-sched.c:559 [] tick_nohz_restart_sched_tick kernel/time/tick-sched.c:726 [inline] [] tick_nohz_idle_exit+0x247/0x3d0 kernel/time/tick-sched.c:946 [] cpu_idle_loop kernel/sched/idle.c:267 [inline] [] cpu_startup_entry+0x2a5/0x8f0 kernel/sched/idle.c:301 [] rest_init+0x189/0x190 init/main.c:410 [] start_kernel+0x6b9/0x6ee init/main.c:682 [] x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x140/0x163 arch/x86/kernel/head64.c:185 Code: a0 06 00 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 be 01 00 00 00 48 89 e5 e8 e2 d1 1b 00 5d c3 55 89 ff 48 89 e5 89 b7 00 b0 5f ff <5d> c3 66 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 89 fb NMI backtrace for cpu 1 CPU: 1 PID: 485 Comm: khungtaskd Not tainted 4.4.119-g024f962 #26 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800bad14800 task.stack: ffff8800bad00000 RIP: 0010:[] [] native_apic_mem_write arch/x86/include/asm/apic.h:94 [inline] RIP: 0010:[] [] __default_send_IPI_dest_field arch/x86/include/asm/ipi.h:119 [inline] RIP: 0010:[] [] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:61 [inline] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 arch/x86/kernel/apic/apic_flat_64.c:69 RSP: 0018:ffff8800bad07cb8 EFLAGS: 00000046 RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 RBP: ffff8800bad07ce0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000003 R14: ffffffff8426f420 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bddd60 CR3: 00000001d203e000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff8426f420 ffffffff847efb00 fffffbfff08fda14 dffffc0000000000 ffff8801db31bca0 ffff8800bad07d00 ffffffff810b999b ffffffff839f63c0 0000000000000003 ffff8800bad07d60 ffffffff81d0ef94 0000000000000000 Call Trace: [] nmi_raise_cpu_backtrace+0x5b/0x70 arch/x86/kernel/apic/hw_nmi.c:33 [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 lib/nmi_backtrace.c:85 [] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 [] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline] [] check_hung_task kernel/hung_task.c:125 [inline] [] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [] watchdog+0x6fa/0xae0 kernel/hung_task.c:238 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:506 Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 6b 2f 17 00 4c 89 e7 57 9d 0f 1f