random: sshd: uninitialized urandom read (32 bytes read)
audit: type=1400 audit(1561208228.457:7): avc: denied { map } for pid=1824 comm="syz-executor854" path="/root/syz-executor854576017" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
INFO: rcu_sched self-detected stall on CPU
0-...: (10499 ticks this GP) idle=29a/140000000000001/0 softirq=2446/2451 fqs=1
(t=10500 jiffies g=199 c=198 q=4)
rcu_sched kthread starved for 10498 jiffies! g199 c198 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_sched R running task 29080 9 2 0x80000000
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_timeout+0x4d7/0xe80 kernel/time/timer.c:1744
rcu_gp_kthread+0xc52/0x1f00 kernel/rcu/tree.c:2255
kthread+0x310/0x420 kernel/kthread.c:232
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404
NMI backtrace for cpu 0
CPU: 0 PID: 1832 Comm: syz-executor854 Not tainted 4.14.128+ #10
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0xb9/0x10e lib/dump_stack.c:53
nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101
</IRQ>
INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 0, t=10548 jiffies, g=377, c=376, q=99)
All QSes seen, last rcu_preempt kthread activity 10548 (4294973213-4294962665), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor854 R running task 26872 1832 1828 0x00000008
Call Trace:
<IRQ>
sched_show_task kernel/sched/core.c:5236 [inline]
sched_show_task.cold+0x342/0x3c0 kernel/sched/core.c:5211
</IRQ>
rcu_preempt kthread starved for 10548 jiffies! g377 c376 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_preempt R running task 29080 8 2 0x80000000
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_timeout+0x4d7/0xe80 kernel/time/timer.c:1744
rcu_gp_kthread+0xc52/0x1f00 kernel/rcu/tree.c:2255
kthread+0x310/0x420 kernel/kthread.c:232
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404