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)
random: sshd: uninitialized urandom read (32 bytes read)
INFO: task syz-executor375:4558 blocked for more than 140 seconds.
      Not tainted 4.18.0-rc4+ #27
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor375 D57104  4558   4554 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2857 [inline]
 __schedule+0x652/0x780 kernel/sched/core.c:3507
 schedule+0x1cc/0x300 kernel/sched/core.c:3551
 request_wait_answer fs/fuse/dev.c:463 [inline]
 __fuse_request_send+0x105a/0x1a90 fs/fuse/dev.c:483
 fuse_request_send fs/fuse/dev.c:496 [inline]
 fuse_simple_request+0x9cc/0xc10 fs/fuse/dev.c:554
 fuse_lookup_name+0x472/0xc80 fs/fuse/dir.c:323
 fuse_lookup+0x193/0x810 fs/fuse/dir.c:360
 fuse_atomic_open+0x2b7/0x1f00 fs/fuse/dir.c:499
 atomic_open fs/namei.c:3054 [inline]
 lookup_open fs/namei.c:3190 [inline]
 do_last fs/namei.c:3311 [inline]
 path_openat+0x1fa2/0x69c0 fs/namei.c:3540
 do_filp_open+0x2c1/0x740 fs/namei.c:3574
 do_open_execat+0x1d1/0x720 fs/exec.c:854
 __do_execve_file+0xb6f/0x3020 fs/exec.c:1755
 do_execveat_common fs/exec.c:1866 [inline]
 do_execve fs/exec.c:1883 [inline]
 __do_sys_execve fs/exec.c:1964 [inline]
 __se_sys_execve fs/exec.c:1959 [inline]
 __x64_sys_execve+0x131/0x180 fs/exec.c:1959
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x445889
Code: Bad RIP value.
RSP: 002b:00007f11e6f42da8 EFLAGS: 00000297 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000006dac3c RCX: 0000000000445889
RDX: 0000000020000500 RSI: 0000000020000480 RDI: 00000000200001c0
RBP: 00000000006dac38 R08: 00007f11e6f43700 R09: 0000000000000000
R10: 00007f11e6f43700 R11: 0000000000000297 R12: 64695f70756f7267
R13: 7375662f7665642f R14: 2f30656c69662f2e R15: 0000000000000001
NMI backtrace for cpu 1
CPU: 1 PID: 809 Comm: khungtaskd Not tainted 4.18.0-rc4+ #27
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+0x185/0x1e0 lib/dump_stack.c:113
 nmi_cpu_backtrace lib/nmi_backtrace.c:103 [inline]
 nmi_trigger_cpumask_backtrace+0x26f/0x4e0 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x2c/0x40 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace+0x2b/0x30 include/linux/nmi.h:138
 check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline]
 watchdog+0x1107/0x1130 kernel/hung_task.c:252
 kthread+0x473/0x4b0 kernel/kthread.c:247
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan_entry.c:81!
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.18.0-rc4+ #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80
Code: 00 74 27 65 8b 04 25 80 90 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 80 90 03 00 65 c6 04 25 15 6e 0b 00 ff c3 0f 0b 90 eb fe <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e 
RSP: 0018:fffffe000000eea8 EFLAGS: 00010046
RAX: 0000000080000100 RBX: 0000000000000001 RCX: 00000000c0000101
RDX: 00000000ffff8802 RSI: ffffffff8a40136c RDI: ffffea00003f05a0
RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 000000019249e000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000019249e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 </IRQ>
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace dc5c57ef0e568b13 ]---
RIP: 0010:kmsan_nmi_enter+0x42/0x70 mm/kmsan/kmsan_entry.c:80
Code: 00 74 27 65 8b 04 25 80 90 03 00 83 c0 01 83 f8 08 7d 27 65 89 04 25 80 90 03 00 65 c6 04 25 15 6e 0b 00 ff c3 0f 0b 90 eb fe <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 0b 66 90 66 2e 
RSP: 0018:fffffe000000eea8 EFLAGS: 00010046
RAX: 0000000080000100 RBX: 0000000000000001 RCX: 00000000c0000101
RDX: 00000000ffff8802 RSI: ffffffff8a40136c RDI: ffffea00003f05a0
RBP: fffffe000000eef9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 000000019249e000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000019249e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400