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)
==================================================================
BUG: KMSAN: uninit-value in __x64_sys_futex+0x1b9/0x200 kernel/futex.c:3555
CPU: 1 PID: 4508 Comm: syz-executor463 Not tainted 4.17.0-rc3+ #88
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+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683
 __x64_sys_futex+0x1b9/0x200 kernel/futex.c:3555
 do_syscall_64+0x154/0x220 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4458a9
RSP: 002b:00007f5d39225db8 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00000000006dac3c RCX: 00000000004458a9
RDX: 00000000004458a9 RSI: 0000000000000001 RDI: 00000000006dac3c
RBP: 00000000006dac38 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f5d39226700 R11: 0000000000000202 R12: 0000000000000000
R13: 00007ffc3c1fc0bf R14: 00007f5d392269c0 R15: 0000000000000001

Local variable description: ----msg_sys@__sys_sendmmsg
Variable was created at:
 __sys_sendmmsg+0x9c/0x850 net/socket.c:2173
 __do_sys_sendmmsg net/socket.c:2241 [inline]
 __se_sys_sendmmsg net/socket.c:2238 [inline]
 __x64_sys_sendmmsg+0x11c/0x170 net/socket.c:2238
==================================================================
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 4508 Comm: syz-executor463 Tainted: G    B             4.17.0-rc3+ #88
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+0x185/0x1d0 lib/dump_stack.c:113
 panic+0x39d/0x940 kernel/panic.c:184
 kmsan_report+0x238/0x240 mm/kmsan/kmsan.c:1083
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683
 __x64_sys_futex+0x1b9/0x200 kernel/futex.c:3555
 do_syscall_64+0x154/0x220 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4458a9
RSP: 002b:00007f5d39225db8 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00000000006dac3c RCX: 00000000004458a9
RDX: 00000000004458a9 RSI: 0000000000000001 RDI: 00000000006dac3c
RBP: 00000000006dac38 R08: 0000000000000000 R09: 0000000000000000
R10: 00007f5d39226700 R11: 0000000000000202 R12: 0000000000000000
R13: 00007ffc3c1fc0bf R14: 00007f5d392269c0 R15: 0000000000000001
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..