[ 21.081445] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.529427] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 24.968525] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available) [ 25.924820] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) [ 26.103778] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available) Warning: Permanently added '10.128.0.49' (ECDSA) to the list of known hosts. [ 31.525763] random: sshd: uninitialized urandom read (32 bytes read, 123 bits of entropy available) executing program [ 31.632608] IPVS: Creating netns size=2552 id=1 [ 31.653928] BUG: unable to handle kernel paging request at ffffed00c86eb8d0 [ 31.661260] IP: [] xfrm_hash_rebuild+0x47b/0xa80 [ 31.667667] PGD 21ff6a067 PUD 0 [ 31.671229] Oops: 0000 [#1] PREEMPT SMP KASAN [ 31.676147] Dumping ftrace buffer: [ 31.679654] (ftrace buffer empty) [ 31.683333] Modules linked in: [ 31.686672] CPU: 0 PID: 1771 Comm: kworker/0:2 Not tainted 4.4.119-g024f962 #26 [ 31.694086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.703414] Workqueue: events xfrm_hash_rebuild [ 31.708160] task: ffff8800b73fe000 task.stack: ffff8800b6800000 [ 31.714181] RIP: 0010:[] [] xfrm_hash_rebuild+0x47b/0xa80 [ 31.723020] RSP: 0018:ffff8800b6807bb8 EFLAGS: 00010a02 [ 31.728437] RAX: 1ffff100c86eb8d0 RBX: dffffc0000000000 RCX: ffffffff832a31e2 [ 31.735677] RDX: 0000000000000000 RSI: ffff8800bb2d8000 RDI: ffff8800bb2d9680 [ 31.742916] RBP: ffff8800b6807c40 R08: 0000000000000001 R09: 0000000000000000 [ 31.750153] R10: 0000000000000001 R11: 1ffff10016d00f3e R12: ffff8800bba44c80 [ 31.757392] R13: ffff88064375c680 R14: ffff8800bb2d96b8 R15: 0000000000000002 [ 31.764633] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 31.772826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.778677] CR2: ffffed00c86eb8d0 CR3: 00000000bb136000 CR4: 0000000000160670 [ 31.785915] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.793163] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.800400] Stack: [ 31.802516] ffffffff8117fd37 ffff8800bb2d9758 ffffed001765b2c9 ffff8800bb2d964c [ 31.810473] ffff8800bb2d99f8 ffff8800bb2d9618 ffff8800bb2d9780 80ff8801db21eb40 [ 31.818436] ffff8800bb2d95f8 ffff8800bb2d8000 0000000000000200 ffff8800bb2d96b8 [ 31.826395] Call Trace: [ 31.828952] [] ? process_one_work+0x7d7/0x16e0 [ 31.835152] [] process_one_work+0x7d7/0x16e0 [ 31.841177] [] ? process_one_work+0x6f7/0x16e0 [ 31.847379] [] ? pwq_dec_nr_in_flight+0x280/0x280 [ 31.853850] [] ? worker_thread+0x288/0xfc0 [ 31.859715] [] worker_thread+0xd9/0xfc0 [ 31.865316] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 31.872227] [] kthread+0x268/0x300 [ 31.877387] [] ? process_one_work+0x16e0/0x16e0 [ 31.883675] [] ? kthread_create_on_node+0x400/0x400 [ 31.890309] [] ? kthread_create_on_node+0x400/0x400 [ 31.896952] [] ret_from_fork+0x55/0x80 [ 31.902455] [] ? kthread_create_on_node+0x400/0x400 [ 31.909085] Code: 7c 08 84 d2 0f 85 ca 05 00 00 48 8b 7d c0 49 8d b4 24 f4 00 00 00 41 0f b7 94 24 74 02 00 00 e8 ec de ff ff 49 89 c5 48 c1 e8 03 <80> 3c 18 00 0f 85 e2 05 00 00 49 8b 55 00 49 8d 44 24 08 48 89 [ 31.935566] RIP [] xfrm_hash_rebuild+0x47b/0xa80 [ 31.942054] RSP [ 31.945646] CR2: ffffed00c86eb8d0 [ 31.949068] ---[ end trace 53b80935cac87515 ]--- [ 31.953790] Kernel panic - not syncing: Fatal exception in interrupt [ 31.960678] Dumping ftrace buffer: [ 31.964189] (ftrace buffer empty) [ 31.967867] Kernel Offset: disabled [ 31.971458] Rebooting in 86400 seconds..