[ 13.630648] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.641432] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 36.005411] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 36.528925] random: sshd: uninitialized urandom read (32 bytes read, 99 bits of entropy available) [ 36.675303] random: sshd: uninitialized urandom read (32 bytes read, 105 bits of entropy available) Warning: Permanently added 'ci-android-44-kasan-gce-0,10.128.0.14' (ECDSA) to the list of known hosts. [ 41.999952] random: sshd: uninitialized urandom read (32 bytes read, 110 bits of entropy available) 2017/12/09 20:45:03 parsed 1 programs 2017/12/09 20:45:03 executed programs: 0 [ 42.539630] IPVS: Creating netns size=2552 id=1 [ 42.568264] IPVS: Creating netns size=2552 id=2 [ 42.587172] IPVS: Creating netns size=2552 id=3 [ 42.593314] audit: type=1400 audit(1512852303.618:5): avc: denied { create } for pid=3343 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 42.618935] audit: type=1400 audit(1512852303.648:6): avc: denied { write } for pid=3343 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 42.645381] IPVS: Creating netns size=2552 id=4 [ 42.646313] kasan: CONFIG_KASAN_INLINE enabled [ 42.646317] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.646318] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.646321] Dumping ftrace buffer: [ 42.646323] (ftrace buffer empty) [ 42.646325] Modules linked in: [ 42.646328] CPU: 0 PID: 3344 Comm: syz-executor3 Not tainted 4.4.104-ged884eb #2 [ 42.646329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.646332] task: ffff8800b55517c0 task.stack: ffff8800b91b0000 [ 42.646339] RIP: 0010:[] [] netlink_unicast+0x18f/0x760 [ 42.646340] RSP: 0018:ffff8800b91b7788 EFLAGS: 00010286 [ 42.646342] RAX: dffffc0000000048 RBX: 0000000000000000 RCX: 0000000000000030 [ 42.646343] RDX: 1ffff1003aa80983 RSI: 00000000024000c0 RDI: ffff8801d5404c18 [ 42.646344] RBP: ffff8800b91b7850 R08: 0000000000000003 R09: ffffed0016b2e06a [ 42.646346] R10: ffff8800b5970357 R11: ffffed0016b2e06b R12: dffffc0000000000 [ 42.646347] R13: ffff8801d5404b40 R14: 0000000000000040 R15: ffff8800b91b7828 [ 42.646348] FS: 00007f00895bb700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 42.646350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.646351] CR2: 00007fff07147fe8 CR3: 00000000b540a000 CR4: 00000000001406f0 [ 42.646355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.646356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.646356] Stack: [ 42.646359] ffff8800b59703f0 1ffff10017236ef9 0000000000000240 0000000000000030 [ 42.646361] 1ffff10017236ef9 dffffc0000000006 dffffc0000000048 ffff880000000002 [ 42.646363] 0000000041b58ab3 ffffffff83ffc7ee ffffffff82f31660 ffffffff814daa66 [ 42.646364] Call Trace: [ 42.646367] [] ? netlink_attachskb+0x810/0x810 [ 42.646372] [] ? memcpy+0x36/0x40 [ 42.646374] [] ? __nlmsg_put+0x141/0x1b0 [ 42.646376] [] netlink_ack+0x203/0x480 [ 42.646379] [] nfnetlink_rcv+0x953/0xfe0 [ 42.646381] [] ? netlink_unicast+0x3ed/0x760 [ 42.646383] [] netlink_unicast+0x4c5/0x760 [ 42.646384] [] ? netlink_unicast+0x3ed/0x760 [ 42.646386] [] ? netlink_attachskb+0x810/0x810 [ 42.646388] [] netlink_sendmsg+0x832/0xbc0 [ 42.646390] [] ? netlink_unicast+0x760/0x760 [ 42.646395] [] ? selinux_socket_sendmsg+0x3a/0x50 [ 42.646397] [] ? netlink_unicast+0x760/0x760 [ 42.646400] [] sock_sendmsg+0xb5/0xf0 [ 42.646402] [] ___sys_sendmsg+0x66d/0x7d0 [ 42.646405] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 42.646407] [] ? copy_msghdr_from_user+0x590/0x590 [ 42.646410] [] ? do_futex+0xb54/0x18a0 [ 42.646412] [] ? __lock_is_held+0xa1/0xf0 [ 42.646414] [] ? __fget+0x1c2/0x320 [ 42.646416] [] ? __fget+0x1df/0x320 [ 42.646417] [] ? __fget+0x42/0x320 [ 42.646419] [] ? __fget_light+0x7d/0x1b0 [ 42.646420] [] ? __fdget+0xe/0x10 [ 42.646422] [] ? get_unused_fd_flags+0xd0/0xd0 [ 42.646424] [] __sys_sendmsg+0xc3/0x160 [ 42.646426] [] ? SyS_shutdown+0x190/0x190 [ 42.646427] [] ? SyS_futex+0x1ea/0x250 [ 42.646429] [] ? sock_map_fd+0x3f/0x60 [ 42.646432] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 42.646434] [] SyS_sendmsg+0xd/0x20 [ 42.646438] [] entry_SYSCALL_64_fastpath+0x16/0x76 [ 42.646465] Code: ff 85 c0 0f 85 91 03 00 00 49 8d 57 c0 48 89 d9 4c 89 ee 4c 89 f7 e8 71 f6 ff ff 83 f8 01 0f 85 c4 03 00 00 48 8b 85 68 ff ff ff <0f> b6 00 84 c0 74 08 3c 03 0f 8e 90 05 00 00 48 8b 85 60 ff ff [ 42.646467] RIP [] netlink_unicast+0x18f/0x760 [ 42.646468] RSP [ 42.646471] ---[ end trace 1f348da6073477b0 ]--- [ 42.646473] Kernel panic - not syncing: Fatal exception [ 42.650371] Dumping ftrace buffer: [ 42.650372] (ftrace buffer empty) [ 42.650373] Kernel Offset: disabled [ 43.050452] Rebooting in 86400 seconds..