binder: 2333:2334 ioctl 40046207 0 returned -16
binder_alloc: 2333: binder_alloc_buf, no vma
binder: 2333:2338 transaction failed 29189/-3, size 40-8 line 2971
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29201
INFO: rcu_sched self-detected stall on CPU
1-....: (124999 ticks this GP) idle=462/1/4611686018427387906 softirq=294922/294922 fqs=31223
(t=125000 jiffies g=166171 c=166170 q=2881)
NMI backtrace for cpu 1
CPU: 1 PID: 2285 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #78
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
nmi_cpu_backtrace.cold.4+0x19/0xce lib/nmi_backtrace.c:103
nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_single_cpu_backtrace include/linux/nmi.h:156 [inline]
rcu_dump_cpu_stacks+0x175/0x1c2 kernel/rcu/tree.c:1376
print_cpu_stall kernel/rcu/tree.c:1525 [inline]
check_cpu_stall.isra.61.cold.80+0x36c/0x59a kernel/rcu/tree.c:1593
__rcu_pending kernel/rcu/tree.c:3356 [inline]
rcu_pending kernel/rcu/tree.c:3401 [inline]
rcu_check_callbacks+0x21b/0xad0 kernel/rcu/tree.c:2763
update_process_times+0x2d/0x70 kernel/time/timer.c:1636
tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
__run_hrtimer kernel/time/hrtimer.c:1398 [inline]
__hrtimer_run_queues+0x3e3/0x10a0 kernel/time/hrtimer.c:1460
hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline]
smp_apic_timer_interrupt+0x15d/0x710 arch/x86/kernel/apic/apic.c:1050
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863
</IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:101
RSP: 0018:ffff8801ae897938 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff880173b6c6c0 RBX: ffff8801d28fad80 RCX: dffffc0000000000
RDX: 0000000000000002 RSI: ffffffff84b30926 RDI: ffff8801b547f978
RBP: ffff8801ae897938 R08: ffff880173b6c6c0 R09: ffff8801ae897518
R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8801a93f64d8 R14: ffff8801c9bfc6e0 R15: ffff8801c9bfc600
is_loop_device drivers/block/loop.c:713 [inline]
loop_set_fd drivers/block/loop.c:901 [inline]
lo_ioctl+0x1b26/0x2130 drivers/block/loop.c:1398
__blkdev_driver_ioctl block/ioctl.c:303 [inline]
blkdev_ioctl+0x9b6/0x2020 block/ioctl.c:601
block_ioctl+0xee/0x130 fs/block_dev.c:1877
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:00007ff728d49c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff728d4a6d4 RCX: 0000000000455a09
RDX: 0000000000000014 RSI: 0000000000004c00 RDI: 0000000000000015
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000002de R14: 00000000006f9570 R15: 0000000000000000
INFO: task syz-executor2:2331 blocked for more than 120 seconds.
Not tainted 4.17.0-rc7+ #78
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor2 D21736 2331 4543 0x80000002
Call Trace:
context_switch kernel/sched/core.c:2859 [inline]
__schedule+0x801/0x1e30 kernel/sched/core.c:3501
schedule+0xef/0x430 kernel/sched/core.c:3545
schedule_timeout+0x1b5/0x240 kernel/time/timer.c:1777
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+0x3e7/0x870 kernel/sched/completion.c:136
__wait_rcu_gp+0x257/0x350 kernel/rcu/update.c:414
synchronize_sched.part.64+0xe3/0xf0 kernel/rcu/tree.c:3209
synchronize_sched+0x76/0xf0 kernel/rcu/tree.c:3210
tracepoint_synchronize_unregister include/linux/tracepoint.h:80 [inline]
perf_trace_event_unreg.isra.3+0xc4/0x210 kernel/trace/trace_event_perf.c:162
perf_trace_destroy+0xc1/0x100 kernel/trace/trace_event_perf.c:237
tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:8321
_free_event+0x3ff/0x1430 kernel/events/core.c:4445
put_event+0x48/0x60 kernel/events/core.c:4531
perf_event_release_kernel+0x8bd/0x1020 kernel/events/core.c:4637
perf_release+0x37/0x50 kernel/events/core.c:4647
__fput+0x34d/0x890 fs/file_table.c:209
____fput+0x15/0x20 fs/file_table.c:243
task_work_run+0x1e4/0x290 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0x1aee/0x2730 kernel/exit.c:865
do_group_exit+0x16f/0x430 kernel/exit.c:968
get_signal+0x886/0x1960 kernel/signal.c:2482
do_signal+0x98/0x2040 arch/x86/kernel/signal.c:810
exit_to_usermode_loop+0x28a/0x310 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
syscall_return_slowpath arch/x86/entry/common.c:265 [inline]
do_syscall_64+0x6ac/0x800 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:00007f4e484a8ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000072c028 RCX: 0000000000455a09
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072c028
RBP: 000000000072c028 R08: 0000000000000000 R09: 000000000072c000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000a3e81f R14: 00007f4e484a99c0 R15: 0000000000000002
Showing all locks held in the system:
2 locks held by khungtaskd/893:
#0: 0000000070b72e7b (rcu_read_lock){....}, at: check_hung_uninterruptible_tasks kernel/hung_task.c:175 [inline]
#0: 0000000070b72e7b (rcu_read_lock){....}, at: watchdog+0x1ff/0xf60 kernel/hung_task.c:249
#1: 000000002fe27bfd (tasklist_lock){.+.+}, at: debug_show_all_locks+0xde/0x34a kernel/locking/lockdep.c:4470
2 locks held by getty/4465:
#0: 00000000712cc8cd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 00000000d5d07610 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4466:
#0: 000000000b8f4d38 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 00000000133cf856 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4467:
#0: 0000000038da790d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 0000000086515926 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4468:
#0: 000000000d0080cc (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 000000001fa3a2bd (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4469:
#0: 00000000bc635016 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 000000000b967852 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/4470:
#0: 00000000e5eeebaa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 00000000df288927 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
2 locks held by getty/32296:
#0: 0000000004d53de8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: 000000006ed74e29 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x321/0x1cc0 drivers/tty/n_tty.c:2131
1 lock held by syz-executor2/2331:
#0: 0000000027d3a752 (event_mutex){+.+.}, at: perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:235
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 893 Comm: khungtaskd Not tainted 4.17.0-rc7+ #78
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+0x1b9/0x294 lib/dump_stack.c:113
nmi_cpu_backtrace.cold.4+0x19/0xce lib/nmi_backtrace.c:103
nmi_trigger_cpumask_backtrace+0x151/0x192 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:138 [inline]
check_hung_task kernel/hung_task.c:132 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:190 [inline]
watchdog+0xc10/0xf60 kernel/hung_task.c:249
kthread+0x345/0x410 kernel/kthread.c:240
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2285 Comm: syz-executor5 Not tainted 4.17.0-rc7+ #78
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:is_loop_device drivers/block/loop.c:713 [inline]
RIP: 0010:loop_set_fd drivers/block/loop.c:901 [inline]
RIP: 0010:lo_ioctl+0x1b71/0x2130 drivers/block/loop.c:1398
RSP: 0018:ffff8801ae897948 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff8801d28fad80 RCX: ffffc900048fd000
RDX: 0000000000040000 RSI: ffffffff84b30971 RDI: 0000000000000003
RBP: ffff8801ae8979c0 R08: ffff880173b6c6c0 R09: ffff8801ae897518
R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8801a93f64d8 R14: ffff8801c9bfc6e0 R15: ffff8801c9bfc600
FS: 00007ff728d4a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f222000 CR3: 00000001b0fca000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__blkdev_driver_ioctl block/ioctl.c:303 [inline]
blkdev_ioctl+0x9b6/0x2020 block/ioctl.c:601
block_ioctl+0xee/0x130 fs/block_dev.c:1877
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:00007ff728d49c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff728d4a6d4 RCX: 0000000000455a09
RDX: 0000000000000014 RSI: 0000000000004c00 RDI: 0000000000000015
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000002de R14: 00000000006f9570 R15: 0000000000000000
Code: 00 41 0f b7 45 00 bf 00 60 00 00 66 25 00 f0 89 c6 89 45 a8 e8 f1 39 c6 fc 8b 45 a8 66 3d 00 60 0f 85 e3 f4 ff ff e8 ef 38 c6 fc <49> 8d 7d 4c b9 ff ff 37 00 48 89 f8 48 c1 e1 2a 48 c1 e8 03 0f