random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available) random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) random: sshd: uninitialized urandom read (32 bytes read, 126 bits of entropy available) random: nonblocking pool is initialized kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3759 Comm: syz-executor692 Not tainted 4.4.141-g1b37d68 #71 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801d06ce000 task.stack: ffff8801d9528000 RIP: 0010:[] [] nf_tables_set_lookup+0x3c/0xc0 net/netfilter/nf_tables_api.c:2380 RSP: 0018:ffff8801d952f598 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffffffffffea RCX: 1ffff1003b2a5ecd RDX: 0000000000000004 RSI: ffffffff8314e797 RDI: 0000000000000000 RBP: ffff8801d952f5b8 R08: ffff8801d952f6f8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000020 R13: ffff8801cfae0794 R14: 0000000000000000 R15: ffff8801d952f6f8 FS: 00000000012d8880(0063) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 00000001d2266000 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 1ffff1003b2a5ebb ffff8801ccaa2780 ffff8801cfae0780 ffff8801d952f6b8 ffff8801d952f6e0 ffffffff8314fda9 ffff8801d952f658 ffff8800b6fce600 0000000041b58ab3 ffffffff8423ef33 ffffffff8314fc00 ffffffff838bb724 Call Trace: [] nf_tables_getset+0x1a9/0x510 net/netfilter/nf_tables_api.c:2653 [] nfnetlink_rcv_msg+0xa19/0xc00 net/netfilter/nfnetlink.c:215 [] netlink_rcv_skb+0x145/0x370 net/netlink/af_netlink.c:2354 [] nfnetlink_rcv+0x983/0x10a0 net/netfilter/nfnetlink.c:479 [] netlink_unicast_kernel net/netlink/af_netlink.c:1270 [inline] [] netlink_unicast+0x4e9/0x700 net/netlink/af_netlink.c:1296 [] netlink_sendmsg+0x795/0xc30 net/netlink/af_netlink.c:1852 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xcc/0x110 net/socket.c:635 [] ___sys_sendmsg+0x745/0x880 net/socket.c:1962 [] __sys_sendmsg+0xd6/0x190 net/socket.c:1996 [] SYSC_sendmsg net/socket.c:2007 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2003 [] entry_SYSCALL_64_fastpath+0x22/0x9e Code: 48 c7 c3 ea ff ff ff e8 93 2d 20 fe 4d 85 ed 74 65 e8 89 2d 20 fe 4d 8d 66 20 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 69 49 8b 5e 20 49 be 00 00 00 00 00 fc ff df 4c RIP [] nf_tables_set_lookup+0x3c/0xc0 net/netfilter/nf_tables_api.c:2380 RSP ---[ end trace 6f8bf978fb5f3cc1 ]---