binder: send failed reply for transaction 51 to 32017:32028
binder: undelivered TRANSACTION_ERROR: 29189
INFO: task syz-executor0:2115 blocked for more than 140 seconds.
      Not tainted 4.4.171+ #11
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor0   D ffff8800aa71fa78 25408  2115      1 0x00000004
 ffff8800aa71fa78 ffff8801d4bc4740 4a2c9c0dc7d9f89b ffff8801d4bc4740
 0000000000000000 ffff8801d4bc5000 ffff8801db71f180 ffff8801db71f1a8
 ffff8801db71e898 ffff8800b7cfaf80 ffff8801d4bc4740 ffffed00154e3001
Call Trace:
 [<ffffffff82708e89>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82709643>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff8270b7a2>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff8270b7a2>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81d45c7e>] lo_ioctl+0x8e/0x1b40 drivers/block/loop.c:1415
 [<ffffffff81a7a709>] __blkdev_driver_ioctl block/ioctl.c:288 [inline]
 [<ffffffff81a7a709>] blkdev_ioctl+0xed9/0x1940 block/ioctl.c:584
 [<ffffffff8154fcbe>] block_ioctl+0xde/0x120 fs/block_dev.c:1625
 [<ffffffff814d1d47>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<ffffffff814d1d47>] file_ioctl fs/ioctl.c:470 [inline]
 [<ffffffff814d1d47>] do_vfs_ioctl+0x6e7/0xfa0 fs/ioctl.c:605
 [<ffffffff814d268f>] SYSC_ioctl fs/ioctl.c:622 [inline]
 [<ffffffff814d268f>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613
 [<ffffffff82717c21>] entry_SYSCALL_64_fastpath+0x1e/0x9a
1 lock held by syz-executor0/2115:
 #0:  (&lo->lo_ctl_mutex/1){+.+.+.}, at: [<ffffffff81d45c7e>] lo_ioctl+0x8e/0x1b40 drivers/block/loop.c:1415
Sending NMI to all CPUs:
NMI backtrace for cpu 0
CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.171+ #11
task: ffff8801da6f4740 task.stack: ffff8800001d0000
RIP: 0010:[<ffffffff8109b617>]  [<ffffffff8109b617>] _flat_send_IPI_mask arch/x86/kernel/apic/apic_flat_64.c:62 [inline]
RIP: 0010:[<ffffffff8109b617>]  [<ffffffff8109b617>] flat_send_IPI_mask+0xf7/0x1b0 arch/x86/kernel/apic/apic_flat_64.c:69
RSP: 0018:ffff8800001d7c88  EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000
RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300
RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25c1512000 CR3: 00000000b92b1000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000001 ffffffff82e5f2e0 ffffffff831a6840 fffffbfff0634be4
 000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee
 0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab7ad2
Call Trace:
 [<ffffffff81092bee>] nmi_raise_cpu_backtrace+0x5e/0x80 arch/x86/kernel/apic/hw_nmi.c:33
 [<ffffffff81ab7ad2>] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae lib/nmi_backtrace.c:85
 [<ffffffff81092ca4>] arch_trigger_all_cpu_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 [<ffffffff813b4556>] trigger_all_cpu_backtrace include/linux/nmi.h:44 [inline]
 [<ffffffff813b4556>] check_hung_task kernel/hung_task.c:125 [inline]
 [<ffffffff813b4556>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline]
 [<ffffffff813b4556>] watchdog.cold+0xd3/0xee kernel/hung_task.c:238
 [<ffffffff811340b3>] kthread+0x273/0x310 kernel/kthread.c:211
 [<ffffffff82718045>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537
Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 e1 
NMI backtrace for cpu 1
CPU: 1 PID: 1922 Comm: rsyslogd Not tainted 4.4.171+ #11
task: ffff8800b8ca8000 task.stack: ffff8801d6e78000
RIP: 0010:[<ffffffff812aed50>]  [<ffffffff812aed50>] is_module_text_address+0x0/0x50 kernel/module.c:4104
RSP: 0018:ffff8801d6e7f7a0  EFLAGS: 00000202
RAX: 0000000000000001 RBX: 00000000024000c0 RCX: 1ffffffff06343b0
RDX: 0000000000000000 RSI: 00000000024000c0 RDI: 00000000024000c0
RBP: ffff8801d6e7f7b0 R08: ffff8801d6e7f8c0 R09: 0000000000000000
R10: ffff8801d6e7fae8 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801d6e7f8c0 R14: ffff8801d6e7fff8 R15: ffff8801d6e78000
FS:  00007fd62ba0e700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25c0e04fe0 CR3: 00000000b92b1000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 ffffffff8112f338 ffff8801d6e7fae0 ffff8801d6e7f808 ffffffff81013549
 00000000024000c0 ffff8801d6e7fae8 ffff8801d6e7fae8 ffffffff8280f0b0
 ffff8801d6e7f8c0 ffffffff8280f0b0 ffff8801d6e7f860 ffff8801db707fc0
Call Trace:
 [<ffffffff81013549>] print_context_stack+0x59/0xd0 arch/x86/kernel/dumpstack.c:107
 [<ffffffff81012bb9>] dump_trace+0x179/0x390 arch/x86/kernel/dumpstack_64.c:243
 [<ffffffff8102e3c6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff81483a22>] save_stack mm/kasan/kasan.c:512 [inline]
 [<ffffffff81483a22>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff81483a22>] kasan_kmalloc.part.0+0x62/0xf0 mm/kasan/kasan.c:616
 [<ffffffff81483c97>] kasan_kmalloc+0xb7/0xd0 mm/kasan/kasan.c:601
 [<ffffffff8148425f>] kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:554
 [<ffffffff8147fc60>] slab_post_alloc_hook mm/slub.c:1349 [inline]
 [<ffffffff8147fc60>] slab_alloc_node mm/slub.c:2615 [inline]
 [<ffffffff8147fc60>] slab_alloc mm/slub.c:2623 [inline]
 [<ffffffff8147fc60>] kmem_cache_alloc_trace+0xe0/0x2d0 mm/slub.c:2640
 [<ffffffff8121edcc>] kmalloc include/linux/slab.h:476 [inline]
 [<ffffffff8121edcc>] syslog_print kernel/printk/printk.c:1153 [inline]
 [<ffffffff8121edcc>] do_syslog kernel/printk/printk.c:1336 [inline]
 [<ffffffff8121edcc>] do_syslog+0x5bc/0xaf0 kernel/printk/printk.c:1306
 [<ffffffff81607bc4>] kmsg_read+0x74/0xa0 fs/proc/kmsg.c:39
 [<ffffffff815dfd0d>] proc_reg_read+0xfd/0x180 fs/proc/inode.c:202
 [<ffffffff81495f06>] __vfs_read+0x116/0x3c0 fs/read_write.c:432
 [<ffffffff81497c14>] vfs_read+0x134/0x360 fs/read_write.c:454
 [<ffffffff8149a43c>] SYSC_read fs/read_write.c:569 [inline]
 [<ffffffff8149a43c>] SyS_read+0xdc/0x1c0 fs/read_write.c:562
 [<ffffffff82717c21>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Code: 00 00 e8 74 a9 ea ff 65 8b 05 dd 79 d6 7e 85 c0 74 07 44 89 e0 41 5c 5d c3 e8 63 34 d5 ff 44 89 e0 41 5c 5d c3 66 0f 1f 44 00 00 <55> 48 89 e5 41 54 49 89 fc bf 01 00 00 00 e8 bd e3 ea ff 4c 89