random: sshd: uninitialized urandom read (32 bytes read, 113 bits of entropy available) random: sshd: uninitialized urandom read (32 bytes read, 118 bits of entropy available) IPVS: Creating netns size=2552 id=1 IPVS: Creating netns size=2552 id=2 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3797 at kernel/locking/lockdep.c:728 look_up_lock_class kernel/locking/lockdep.c:728 [inline]() WARNING: CPU: 0 PID: 3797 at kernel/locking/lockdep.c:728 register_lock_class kernel/locking/lockdep.c:750 [inline]() WARNING: CPU: 0 PID: 3797 at kernel/locking/lockdep.c:728 __lock_acquire+0x3055/0x4b50 kernel/locking/lockdep.c:3101() Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3797 Comm: syz-executor4 Not tainted 4.4.119-g024f962 #27 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 c1fbd012e424eec8 ffff8801c9db75b8 ffffffff81d0402d ffffffff83843b40 ffff8801c9db7690 ffffffff83855920 0000000000000009 00000000000002d8 ffff8801c9db7680 ffffffff8141aaea 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] panic+0x1aa/0x388 kernel/panic.c:112 [] warn_slowpath_common+0x125/0x140 kernel/panic.c:455 [] warn_slowpath_null+0x29/0x30 kernel/panic.c:492 [] look_up_lock_class kernel/locking/lockdep.c:728 [inline] [] register_lock_class kernel/locking/lockdep.c:750 [inline] [] __lock_acquire+0x3055/0x4b50 kernel/locking/lockdep.c:3101 [] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592 [] __raw_spin_lock_bh include/linux/spinlock_api_smp.h:137 [inline] [] _raw_spin_lock_bh+0x3a/0x50 kernel/locking/spinlock.c:175 [] spin_lock_bh include/linux/spinlock.h:307 [inline] [] lock_sock_nested+0x43/0x120 net/core/sock.c:2451 [] lock_sock include/net/sock.h:1493 [inline] [] do_ip_getsockopt+0x16a/0x1530 net/ipv4/ip_sockglue.c:1295 [] compat_ip_getsockopt+0xa0/0x1c0 net/ipv4/ip_sockglue.c:1550 [] compat_udp_getsockopt+0x45/0x80 net/ipv4/udp.c:2235 [] compat_sock_common_getsockopt+0xb2/0x140 net/core/sock.c:2629 [] C_SYSC_getsockopt net/compat.c:504 [inline] [] compat_SyS_getsockopt+0x14f/0x2a0 net/compat.c:487 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..