binder: BINDER_SET_CONTEXT_MGR already set
binder: 16902:16917 transaction failed 29189/-3, size 83188178478518-0 line 2963
binder: 16902:16905 ioctl 40046207 0 returned -16
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29201
INFO: task syz-executor5:16899 blocked for more than 120 seconds.
Not tainted 4.16.0-rc5+ #358
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5 D23504 16899 7170 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2862 [inline]
__schedule+0x8fb/0x1ec0 kernel/sched/core.c:3440
schedule+0xf5/0x430 kernel/sched/core.c:3499
schedule_timeout+0x1a3/0x230 kernel/time/timer.c:1777
do_wait_for_common kernel/sched/completion.c:86 [inline]
__wait_for_common kernel/sched/completion.c:107 [inline]
wait_for_common kernel/sched/completion.c:118 [inline]
wait_for_completion+0x415/0x770 kernel/sched/completion.c:139
ucma_destroy_id+0x2c1/0x4c0 drivers/infiniband/core/ucma.c:605
ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1633
__vfs_write+0xef/0x970 fs/read_write.c:480
vfs_write+0x189/0x510 fs/read_write.c:544
SYSC_write fs/read_write.c:589 [inline]
SyS_write+0xef/0x220 fs/read_write.c:581
do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x453e69
RSP: 002b:00007fcb11f87c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fcb11f886d4 RCX: 0000000000453e69
RDX: 0000000000000210 RSI: 0000000020000080 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000672 R14: 00000000006f9b50 R15: 0000000000000000
Showing all locks held in the system:
2 locks held by khungtaskd/799:
#0: (rcu_read_lock){....}, at: [<00000000a06b6b64>] check_hung_uninterruptible_tasks kernel/hung_task.c:175 [inline]
#0: (rcu_read_lock){....}, at: [<00000000a06b6b64>] watchdog+0x1c5/0xd60 kernel/hung_task.c:249
#1: (tasklist_lock){.+.+}, at: [<0000000048b4e8a2>] debug_show_all_locks+0xd3/0x3d0 kernel/locking/lockdep.c:4470
1 lock held by rsyslogd/4079:
#0: (&f->f_pos_lock){+.+.}, at: [<00000000b40336f8>] __fdget_pos+0x12b/0x190 fs/file.c:765
2 locks held by getty/4201:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
2 locks held by getty/4202:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
2 locks held by getty/4203:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
2 locks held by getty/4204:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
2 locks held by getty/4205:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
2 locks held by getty/4206:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
2 locks held by getty/4207:
#0: (&tty->ldisc_sem){++++}, at: [<0000000080ddd725>] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:365
#1: (&ldata->atomic_read_lock){+.+.}, at: [<000000001531c3e2>] n_tty_read+0x2ef/0x1a40 drivers/tty/n_tty.c:2131
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 799 Comm: khungtaskd Not tainted 4.16.0-rc5+ #358
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x24d lib/dump_stack.c:53
nmi_cpu_backtrace+0x1d2/0x210 lib/nmi_backtrace.c:103
nmi_trigger_cpumask_backtrace+0x123/0x180 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+0x90c/0xd60 kernel/hung_task.c:249
kthread+0x33c/0x400 kernel/kthread.c:238
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:406
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.16.0-rc5+ #358
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0x111/0x3e00 kernel/locking/lockdep.c:3290
RSP: 0018:ffff8801db206fd0 EFLAGS: 00000082
RAX: ffffed003b640e0e RBX: 0000000000000001 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8801db22c5d8
RBP: ffff8801db207360 R08: ffffffff815014a4 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8801db22c5d8 R12: 1ffff1003b640e79
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff86e2c340
FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006fa318 CR3: 0000000006e22005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x96/0xc0 kernel/locking/spinlock.c:152
rq_lock_irqsave kernel/sched/sched.h:1744 [inline]
update_blocked_averages+0x124/0x1b60 kernel/sched/fair.c:7375
rebalance_domains+0x145/0xcc0 kernel/sched/fair.c:9144
run_rebalance_domains+0x378/0x770 kernel/sched/fair.c:9405
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
scheduler_ipi+0x318/0x820 kernel/sched/core.c:1804
smp_reschedule_interrupt+0xe6/0x650 arch/x86/kernel/smp.c:277
reschedule_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:881
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54
RSP: 0018:ffffffff86e07c38 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff02
RAX: dffffc0000000000 RBX: 1ffffffff0dc0f8a RCX: 0000000000000000
RDX: 1ffffffff0dd93a0 RSI: 0000000000000001 RDI: ffffffff86ec9d00
RBP: ffffffff86e07c38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff86e07cf0 R14: ffffffff876e7f20 R15: 0000000000000000
arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
default_idle+0xbf/0x430 arch/x86/kernel/process.c:354
arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:345
default_idle_call+0x36/0x90 kernel/sched/idle.c:98
cpuidle_idle_call kernel/sched/idle.c:156 [inline]
do_idle+0x24a/0x3b0 kernel/sched/idle.c:246
cpu_startup_entry+0x104/0x120 kernel/sched/idle.c:351
rest_init+0xed/0xf0 init/main.c:437
start_kernel+0x7f1/0x819 init/main.c:717
x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378
x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359
secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:239
Code: f2 c7 40 30 f2 f2 f2 f2 c7 40 34 00 f2 f2 f2 c7 40 38 f2 f2 f2 f2 c7 40 3c 00 f2 f2 f2 c7 40 40 f2 f2 f2 f2 c7 40 44 00 00 00 f2 40 48 f2 f2 f2 f2 c7 40 54 f3 f3 f3 f3 48 c7 c0 e0 aa 0f 87