binder: 3976:3989 ioctl 0 40046207 returned -22 binder_alloc: binder_alloc_mmap_handler: 3973 20001000-20004000 already mapped failed -16 binder: 3973:3985 ioctl 0 40046207 returned -22 binder_alloc: binder_alloc_mmap_handler: 3967 20001000-20004000 already mapped failed -16 binder: 3967:3986 ioctl 0 40046207 returned -22 INFO: task jbd2/sda1-8:1907 blocked for more than 120 seconds. Not tainted 4.4.135-g98b6097 #56 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. jbd2/sda1-8 D ffff8800b64b7590 25680 1907 2 0x00000000 ffff8800b64b7590 0000000000000000 0000000000000000 0000000000000002 0000000000000000 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8 ffff8801db31f4c0 ffff8801d73d4800 ffff8800b6b84800 0000000000000000 Call Trace: [] schedule+0x7a/0x1b0 kernel/sched/core.c:3359 [] schedule_timeout+0x481/0x8b0 kernel/time/timer.c:1515 [] io_schedule_timeout+0x1ba/0x390 kernel/sched/core.c:4941 [] io_schedule include/linux/sched.h:447 [inline] [] bit_wait_io+0x1b/0xd0 kernel/sched/wait.c:595 [] __wait_on_bit+0xbd/0x140 kernel/sched/wait.c:395 [] out_of_line_wait_on_bit+0xe8/0x120 kernel/sched/wait.c:408 [] wait_on_bit_io include/linux/wait.h:1015 [inline] [] __wait_on_buffer+0x5c/0x70 fs/buffer.c:123 [] wait_on_buffer include/linux/buffer_head.h:342 [inline] [] journal_wait_on_commit_record fs/jbd2/commit.c:178 [inline] [] jbd2_journal_commit_transaction+0x4725/0x65a0 fs/jbd2/commit.c:895 [] kjournald2+0x22a/0x830 fs/jbd2/journal.c:223 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 no locks held by jbd2/sda1-8/1907. Sending NMI to all CPUs: NMI backtrace for cpu 0 CPU: 0 PID: 3983 Comm: syz-executor049 Not tainted 4.4.135-g98b6097 #56 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800bbb4c800 task.stack: ffff8801d6e38000 RIP: 0010:[] [] inb arch/x86/include/asm/io.h:316 [inline] RIP: 0010:[] [] io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:398 RSP: 0018:ffff8801d6e3f718 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: ffffffff82083f01 RDI: ffffffff862aa4f8 RBP: ffff8801d6e3f728 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff858ed15e R12: ffffffff862aa4c0 R13: 0000000000000020 R14: fffffbfff0c554df R15: fffffbfff0c554a1 FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f77cfb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000024a4068 CR3: 00000000baff6000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff862aa4c0 000000000000270e ffff8801d6e3f778 ffffffff82085abf ffffffff81e37875 ffffffff862aa508 ffffffff862aa6fa ffffffff862aa4c0 0000000000000072 ffffffff82085c10 dffffc0000000000 0000000000000072 Call Trace: [] serial_in drivers/tty/serial/8250/8250.h:97 [inline] [] wait_for_xmitr+0x8f/0x1e0 drivers/tty/serial/8250/8250_port.c:1717 [] serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:2806 [] uart_console_write+0x59/0xf0 drivers/tty/serial/serial_core.c:1789 [] serial8250_console_write+0x539/0x830 drivers/tty/serial/8250/8250_port.c:2872 [] univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:594 [] call_console_drivers.constprop.28+0x1ef/0x3f0 kernel/printk/printk.c:1463 [] console_unlock+0x605/0xa10 kernel/printk/printk.c:2330 [] vprintk_emit+0x51e/0x840 kernel/printk/printk.c:1832 [] vprintk+0x28/0x30 kernel/printk/printk.c:1843 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1844 [] printk+0xaf/0xd7 kernel/printk/printk.c:1922 [] binder_ioctl.cold.83+0x91/0x132 drivers/android/binder.c:4842 [] C_SYSC_ioctl fs/compat_ioctl.c:1592 [inline] [] compat_SyS_ioctl+0x484/0x2270 fs/compat_ioctl.c:1544 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x326/0x8b0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Code: 24 c1 00 00 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 38 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 78 57 47 ff eb c2 e8 d1 57 47 ff eb NMI backtrace for cpu 1 CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.135-g98b6097 #56 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d8dd0000 task.stack: ffff8801d8dc0000 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+0xf6/0x1a0 arch/x86/kernel/apic/apic_flat_64.c:69 RSP: 0018:ffff8801d8dc7cc8 EFLAGS: 00000046 RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 RBP: ffff8801d8dc7cf0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f7a0 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f77efdf8 CR3: 00000000b5a6b000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff8446f7a0 ffffffff84a18e60 0000000000000007 fffffbfff0942c7c 0000000000000040 ffff8801d8dc7d10 ffffffff810b5e71 ffffffff83c0b560 0000000000000003 ffff8801d8dc7d68 ffffffff81e19da3 ffff8800b6b84800 Call Trace: [] nmi_raise_cpu_backtrace+0x61/0x80 arch/x86/kernel/apic/hw_nmi.c:33 [] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad 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.cold.1+0xd3/0xee kernel/hung_task.c:238 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510 Code: b3 5f ff f6 c4 10 75 e2 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 f2 09 da 80 cf 04 41 83 fe 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 75 1a 4c 89 e7 57 9d 0f 1f 44 00 00 e8 72