random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
INFO: task syz-executor926:4455 blocked for more than 140 seconds.
      Not tainted 4.18.0-rc4-next-20180713+ #7
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor926 D23616  4455   4451 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2848 [inline]
 __schedule+0x87c/0x1ed0 kernel/sched/core.c:3496
 schedule+0xfb/0x450 kernel/sched/core.c:3540
 request_wait_answer+0x4c8/0x920 fs/fuse/dev.c:463
 __fuse_request_send+0x12a/0x1d0 fs/fuse/dev.c:483
 fuse_request_send+0x62/0xa0 fs/fuse/dev.c:496
 fuse_simple_request+0x33d/0x730 fs/fuse/dev.c:554
 fuse_lookup_name+0x3ee/0x830 fs/fuse/dir.c:323
 fuse_lookup+0xf9/0x4c0 fs/fuse/dir.c:360
 fuse_atomic_open+0x223/0x350 fs/fuse/dir.c:499
 atomic_open fs/namei.c:3094 [inline]
 lookup_open+0xdbd/0x1b70 fs/namei.c:3226
 do_last fs/namei.c:3346 [inline]
 path_openat+0x261e/0x5430 fs/namei.c:3568
 do_filp_open+0x255/0x380 fs/namei.c:3605
 do_open_execat+0x221/0x8e0 fs/exec.c:855
 __do_execve_file.isra.36+0x1856/0x2760 fs/exec.c:1757
 do_execveat_common fs/exec.c:1868 [inline]
 do_execve fs/exec.c:1885 [inline]
 __do_sys_execve fs/exec.c:1966 [inline]
 __se_sys_execve fs/exec.c:1961 [inline]
 __x64_sys_execve+0x8f/0xc0 fs/exec.c:1961
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x445869
Code: Bad RIP value.
RSP: 002b:00007f7dac487da8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000006dac3c RCX: 0000000000445869
RDX: 00000000200003c0 RSI: 0000000020000340 RDI: 0000000020000000
RBP: 00000000006dac38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 64695f70756f7267
R13: 7375662f7665642f R14: 2f30656c69662f2e R15: 0000000000000001
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 903 Comm: khungtaskd Not tainted 4.18.0-rc4-next-20180713+ #7
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+0x1c9/0x2b4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101
 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:144 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:231 [inline]
 watchdog+0xb81/0x10f0 kernel/hung_task.c:292
 kthread+0x345/0x410 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:54