random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) audit: type=1400 audit(1565476458.950:36): avc: denied { map } for pid=6922 comm="syz-executor929" path="/root/syz-executor929461843" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 device dummy0 entered promiscuous mode BUG: unable to handle kernel paging request at fffffff850000006 IP: dummy_set_vf_vlan+0xb8/0x180 drivers/net/dummy.c:192 PGD 766d067 P4D 766d067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 6922 Comm: syz-executor929 Not tainted 4.14.138 #34 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a0a26700 task.stack: ffff888085e50000 RIP: 0010:dummy_set_vf_vlan+0xb8/0x180 drivers/net/dummy.c:192 RSP: 0018:ffff888085e57298 EFLAGS: 00010246 RAX: 0000000000000007 RBX: fffffff850000000 RCX: 0000000000000000 RDX: fffffff850000000 RSI: 00000000ae000000 RDI: fffffff850000006 RBP: ffff888085e572c8 R08: 0000000000000081 R09: ffff888085e574c8 R10: ffffed1010bcaea5 R11: ffff888085e5752f R12: 0000000000000000 R13: ffff8880a19d8a00 R14: 00000000000002fd R15: 0000000000000081 FS: 0000000000e7d880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffff850000006 CR3: 000000008bca6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_setvfinfo net/core/rtnetlink.c:1783 [inline] do_setlink+0x11ba/0x2d50 net/core/rtnetlink.c:2135 rtnl_setlink+0x225/0x320 net/core/rtnetlink.c:2303 rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x440239 RSP: 002b:00007ffcacb452b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440239 RDX: 0000000000000000 RSI: 000000002000a000 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ac0 R13: 0000000000401b50 R14: 0000000000000000 R15: 0000000000000000 Code: 48 c1 e3 03 48 01 da 48 8d 7a 06 48 89 f9 48 c1 e9 03 0f b6 0c 01 48 89 f8 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 92 00 00 00 <66> 44 89 72 06 4d 8b b5 c0 0a 00 00 45 0f b6 e4 48 b8 00 00 00 RIP: dummy_set_vf_vlan+0xb8/0x180 drivers/net/dummy.c:192 RSP: ffff888085e57298 CR2: fffffff850000006 ---[ end trace d18da892bd3253f9 ]---