[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   20.191095] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   26.415486] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available)
[   26.761481] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available)
[   27.665998] random: sshd: uninitialized urandom read (32 bytes read, 82 bits of entropy available)
Warning: Permanently added '10.128.10.63' (ECDSA) to the list of known hosts.
[   33.361956] random: sshd: uninitialized urandom read (32 bytes read, 88 bits of entropy available)
2018/08/25 18:42:09 fuzzer started
[   34.403415] random: cc1: uninitialized urandom read (8 bytes read, 90 bits of entropy available)
2018/08/25 18:42:11 dialing manager at 10.128.0.26:42703
2018/08/25 18:42:12 syscalls: 1
2018/08/25 18:42:12 code coverage: enabled
2018/08/25 18:42:12 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled
2018/08/25 18:42:12 setuid sandbox: enabled
2018/08/25 18:42:12 namespace sandbox: enabled
2018/08/25 18:42:12 fault injection: CONFIG_FAULT_INJECTION is not enabled
2018/08/25 18:42:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2018/08/25 18:42:12 net packed injection: enabled
2018/08/25 18:42:12 net device setup: enabled
[   36.904592] random: nonblocking pool is initialized
18:42:46 executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000001780)={&(0x7f0000000280)=@xdp, 0x80, &(0x7f0000000700), 0x0, &(0x7f0000000780)=""/4096, 0x1000}, 0x0)
bind$inet(r0, &(0x7f000000f000)={0x2, 0x3, @loopback}, 0x10)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000080)=0xf023, 0x4)
setsockopt$inet_int(r0, 0x0, 0x14, &(0x7f0000000100)=0x9, 0x4)
sendto$inet(r0, &(0x7f0000004000), 0x33f, 0x0, &(0x7f0000002000)={0x2, 0x3}, 0x10)

18:42:46 executing program 1:
r0 = socket$netlink(0x10, 0x3, 0xf)
writev(r0, &(0x7f0000000340)=[{&(0x7f0000000300)="390000001300090468fe070000000000", 0x10}], 0x1)

18:42:46 executing program 7:
r0 = openat$urandom(0xffffffffffffff9c, &(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x0)
ioctl$RNDGETENTCNT(r0, 0x80045200, &(0x7f0000000040))

18:42:46 executing program 2:
r0 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0)
mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x11, r0, 0x0)
write$P9_RCLUNK(r0, &(0x7f0000000000)={0x7}, 0xffffffffffffff78)
madvise(&(0x7f0000003000/0x4000)=nil, 0x4000, 0x9)
creat(&(0x7f0000000080)='./bus\x00', 0x0)

18:42:46 executing program 3:
unshare(0x400)
r0 = socket$inet6(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x3}, 0x1c)

18:42:46 executing program 4:
r0 = socket$inet(0x2, 0x0, 0x80000000)
setsockopt$inet_mreqsrc(r0, 0x0, 0x0, &(0x7f0000000000)={@multicast1, @local, @remote}, 0xc)
preadv(0xffffffffffffffff, &(0x7f0000001380)=[{&(0x7f0000001200)=""/148, 0x94}], 0x1, 0x0)
r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter\x00')
preadv(r1, &(0x7f0000000100), 0x361, 0x10400003)
getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f00000000c0)={{{@in6=@dev, @in=@remote}}, {{@in=@multicast1}, 0x0, @in=@remote}}, &(0x7f00000001c0)=0xe8)
getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000280), &(0x7f00000002c0)=0xc)
r2 = getpgrp(0xffffffffffffffff)
stat(&(0x7f0000000500)='./file0\x00', &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, <r3=>0x0})
getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000005c0), &(0x7f0000000600)=0xc)
sendmsg$netlink(r1, &(0x7f00000006c0)={&(0x7f0000000080)=@proc={0x10, 0x0, 0x25dfdbfb, 0x5000000}, 0xc, &(0x7f0000000240), 0x0, &(0x7f0000000700)=[@cred={0x18, 0x1, 0x2, r2, r3}, @rights={0x14, 0x1, 0x1, [r0, r0]}], 0x2c}, 0x4000880)

18:42:46 executing program 5:
r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x0, @local}, 0x10)
setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000006c0)='hybla\x00', 0x6)
shutdown(r1, 0x0)

18:42:46 executing program 6:
r0 = socket$netlink(0x10, 0x3, 0x0)
getsockopt$sock_buf(r0, 0x1, 0x1a, &(0x7f0000000280)=""/250, &(0x7f0000000040)=0xbc)
flistxattr(0xffffffffffffffff, &(0x7f0000000080)=""/36, 0xb7)

[   70.974205] IPVS: Creating netns size=2552 id=1
[   71.117737] IPVS: Creating netns size=2552 id=2
[   71.178222] IPVS: Creating netns size=2552 id=3
[   71.281292] IPVS: Creating netns size=2552 id=4
[   71.413874] IPVS: Creating netns size=2552 id=5
[   71.567012] IPVS: Creating netns size=2552 id=6
[   71.746997] IPVS: Creating netns size=2552 id=7
[   72.048248] IPVS: Creating netns size=2552 id=8
[   72.138316] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   72.243554] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   72.337291] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   72.413724] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   72.666716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   72.722295] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   72.745431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   72.807401] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   72.929611] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   73.013584] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   73.273103] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   73.291396] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   73.336319] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   73.356692] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   73.372154] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   73.432164] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   73.450447] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   73.464104] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   73.532048] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   73.589127] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   73.597660] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   73.644657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   73.659291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   73.697709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   73.873344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   73.889700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   73.969467] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   73.988337] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   74.079346] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   74.093590] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   74.110913] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   74.167328] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   74.177636] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   74.193866] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   74.220783] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   74.300341] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   74.314558] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   74.437755] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   74.503576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   74.566721] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   74.626771] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   74.654047] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   74.726320] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   74.737431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   74.759074] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   74.812139] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   74.832219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   74.856825] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   74.927105] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   74.942510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   74.962116] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   74.978524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   75.052102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   75.080792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   75.090442] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   75.146666] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   75.324998] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   75.392810] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   75.465293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   75.576439] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   75.612165] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   75.755176] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   75.821598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   75.948488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   78.336736] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   78.615867] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   78.648689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   78.821809] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   78.938597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   79.134754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   79.404202] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   79.574489] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   79.671616] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   79.792367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   79.945520] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   79.992651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   80.145771] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   80.470410] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   80.492733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
18:42:57 executing program 1:
r0 = syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0x0, 0x1100082)
r1 = memfd_create(&(0x7f0000000000)='/dev/loop#\x00', 0x0)
pwritev(r1, &(0x7f0000000340)=[{&(0x7f0000000200)='\'', 0x1}], 0x1, 0x1081806)
ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1)
sendfile(r0, r0, &(0x7f0000000100), 0xffffffff)
r2 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r2, 0x0, &(0x7f0000000080)="0a5cc80700315f85715070")
ioctl$LOOP_CLR_FD(r0, 0x4c01)
modify_ldt$write(0x1, &(0x7f0000000040)={0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800, 0x400}, 0x10)

[   80.796595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
18:42:57 executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000001780)={&(0x7f0000000280)=@xdp, 0x80, &(0x7f0000000700), 0x0, &(0x7f0000000780)=""/4096, 0x1000}, 0x0)
bind$inet(r0, &(0x7f000000f000)={0x2, 0x3, @loopback}, 0x10)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000080)=0xf023, 0x4)
setsockopt$inet_int(r0, 0x0, 0x14, &(0x7f0000000100)=0x9, 0x4)
sendto$inet(r0, &(0x7f0000004000), 0x33f, 0x0, &(0x7f0000002000)={0x2, 0x3}, 0x10)

18:42:57 executing program 7:
r0 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000), 0x4)
setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000040), 0x4)

18:42:57 executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000001780)={&(0x7f0000000280)=@xdp, 0x80, &(0x7f0000000700), 0x0, &(0x7f0000000780)=""/4096, 0x1000}, 0x0)
bind$inet(r0, &(0x7f000000f000)={0x2, 0x3, @loopback}, 0x10)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000080)=0xf023, 0x4)
setsockopt$inet_int(r0, 0x0, 0x14, &(0x7f0000000100)=0x9, 0x4)
sendto$inet(r0, &(0x7f0000004000), 0x33f, 0x0, &(0x7f0000002000)={0x2, 0x3}, 0x10)

18:42:57 executing program 7:
r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0)
r1 = epoll_create1(0x0)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000080))
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0x2)
epoll_pwait(r1, &(0x7f0000000180)=[{}], 0x1, 0x0, &(0x7f00000001c0), 0x8)

18:42:57 executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000001780)={&(0x7f0000000280)=@xdp, 0x80, &(0x7f0000000700), 0x0, &(0x7f0000000780)=""/4096, 0x1000}, 0x0)
bind$inet(r0, &(0x7f000000f000)={0x2, 0x3, @loopback}, 0x10)
setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000080)=0xf023, 0x4)
setsockopt$inet_int(r0, 0x0, 0x14, &(0x7f0000000100)=0x9, 0x4)
sendto$inet(r0, &(0x7f0000004000), 0x33f, 0x0, &(0x7f0000002000)={0x2, 0x3}, 0x10)

18:42:57 executing program 7:
r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0)
r1 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x8000400008000c5, 0x0)
r2 = syz_open_procfs(0x0, &(0x7f0000000280)='net/udp\x00')
ioctl$LOOP_SET_FD(r1, 0x4c00, r2)
ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0)

[   81.853536] kasan: CONFIG_KASAN_INLINE enabled
[   81.859375] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   81.897206] Dumping ftrace buffer:
[   81.900746]    (ftrace buffer empty)
[   81.904455] Modules linked in:
[   81.907790] CPU: 1 PID: 5863 Comm: syz-executor7 Not tainted 4.4.152-ge5c5f1f #25
[   81.915413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   81.924772] task: ffff8800b5dbe000 task.stack: ffff8801bf2d0000
[   81.930832] RIP: 0010:[<ffffffff8251d54d>]  [<ffffffff8251d54d>] loop_validate_file+0x20d/0x400
[   81.935440] blk_update_request: I/O error, dev loop0, sector 15232
[   81.935450] Buffer I/O error on dev loop0, logical block 1904, lost async page write
[   81.935614] blk_update_request: I/O error, dev loop0, sector 1240
[   81.935620] Buffer I/O error on dev loop0, logical block 155, lost async page write
[   81.968013] RSP: 0018:ffff8801bf2d7ad0  EFLAGS: 00010206
[   81.973466] RAX: 0000000000000036 RBX: dffffc0000000000 RCX: ffffc9000226b000
[   81.980739] RDX: 000000000000008b RSI: ffffffff8251d51d RDI: 00000000000001b0
[   81.988020] RBP: ffff8801bf2d7ae8 R08: ffff8800b5dbe928 R09: 0000000000000001
[   81.995295] R10: 0000000000000000 R11: ffff8800b5dbe000 R12: 0000000000000000
[   82.002568] R13: ffff8801d33c05c0 R14: ffff8801d33c05c0 R15: ffff8801d6a81c58
[   82.009842] FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f56fbb40
[   82.018067] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   82.023969] CR2: 00007f8a92a40270 CR3: 00000001d4823000 CR4: 00000000001606f0
[   82.031245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   82.038518] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   82.045783] Stack:
[   82.047956]  ffff8801d6a81b00 ffff8800b541b200 0000000000000003 ffff8801bf2d7b78
[   82.056069]  ffffffff82523aad ffff8801d4ab5060 ffff880100000001 ffff8801d6a81b10
[   82.064197]  ffff8801d6a81d38 ffff8801d6a81b18 ffffffff00001000 f6fccecdd4d660ae
[   82.072305] Call Trace:
[   82.074900]  [<ffffffff82523aad>] lo_ioctl+0x3ed/0x16c0
[   82.080293]  [<ffffffff82524e32>] lo_compat_ioctl+0xb2/0x140
[   82.086096]  [<ffffffff82524d80>] ? lo_ioctl+0x16c0/0x16c0
[   82.091732]  [<ffffffff81e07af5>] compat_blkdev_ioctl+0x395/0x3a10
[   82.098058]  [<ffffffff81574c06>] ? address_space_init_once+0xe6/0x1a0
[   82.104795]  [<ffffffff81e07760>] ? cfq_dispatch_requests+0x2fc0/0x2fc0
[   82.111553]  [<ffffffff8157e58f>] ? __fget+0x16f/0x3b0
[   82.116836]  [<ffffffff8157e467>] ? __fget+0x47/0x3b0
[   82.122035]  [<ffffffff81c544ef>] ? security_file_ioctl+0x8f/0xc0
[   82.128272]  [<ffffffff81e07760>] ? cfq_dispatch_requests+0x2fc0/0x2fc0
[   82.135044]  [<ffffffff8162e354>] compat_SyS_ioctl+0x484/0x2270
[   82.141116]  [<ffffffff815555ab>] ? putname+0xdb/0x110
[   82.146397]  [<ffffffff8162ded0>] ? compat_SyS_ppoll+0x420/0x420
[   82.152550]  [<ffffffff814fb4e4>] ? kmem_cache_free+0x2b4/0x340
[   82.158612]  [<ffffffff815555b0>] ? putname+0xe0/0x110
[   82.163897]  [<ffffffff812d5ad1>] ? compat_SyS_futex+0x1e1/0x2f0
[   82.170071]  [<ffffffff812d58f0>] ? compat_SyS_get_robust_list+0x310/0x310
[   82.172137] Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
[   82.182155] Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
[   82.192664]  [<ffffffff8148b9fe>] ? vmacache_update+0xfe/0x130
[   82.198647]  [<ffffffff81006b4b>] ? do_fast_syscall_32+0xdb/0x8b0
[   82.204880]  [<ffffffff8162ded0>] ? compat_SyS_ppoll+0x420/0x420
[   82.211036]  [<ffffffff81006d94>] do_fast_syscall_32+0x324/0x8b0
[   82.217193]  [<ffffffff838cdec3>] sysenter_flags_fixed+0xd/0x1a
[   82.223250] Code: 00 00 00 48 89 [   82.227011] Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable

18:42:58 executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0xfffffefffffffffe, &(0x7f000006ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [], @multicast2}, 0x0, 0x0, 0x0, 0x5, 0x4, 0x0, 0x8000}, 0x20)
getsockopt$inet6_buf(r0, 0x29, 0x3d, &(0x7f0000c86000), &(0x7f0000000040)=0x74)

18:42:58 executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0xfffffefffffffffe, &(0x7f000006ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [], @multicast2}, 0x0, 0x0, 0x0, 0x5, 0x4, 0x0, 0x8000}, 0x20)
getsockopt$inet6_buf(r0, 0x29, 0x3d, &(0x7f0000c86000), &(0x7f0000000040)=0x74)

18:42:58 executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0xfffffefffffffffe, &(0x7f000006ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [], @multicast2}, 0x0, 0x0, 0x0, 0x5, 0x4, 0x0, 0x8000}, 0x20)
getsockopt$inet6_buf(r0, 0x29, 0x3d, &(0x7f0000c86000), &(0x7f0000000040)=0x74)

18:42:58 executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x0)
sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0xfffffefffffffffe, &(0x7f000006ffe4)={0xa, 0x0, 0x0, @loopback}, 0x1c)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@ipv4={[], [], @multicast2}, 0x0, 0x0, 0x0, 0x5, 0x4, 0x0, 0x8000}, 0x20)
getsockopt$inet6_buf(r0, 0x29, 0x3d, &(0x7f0000c86000), &(0x7f0000000040)=0x74)

[   82.235111] f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 01 00 00 4d 8b a4 24 f0 00 00 00 49 8d bc 24 b0 01 00 00 48 89 f8 48 c1 e8 03 <80> 3c 18 00 0f 85 cc 01 00 00 4d 8b a4 24 b0 01 00 00 [   82.259497] Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable

[   82.267403] 4c 89 e0 
[   82.270553] RIP  [<ffffffff8251d54d>] loop_validate_file+0x20d/0x400
[   82.277196]  RSP <ffff8801bf2d7ad0>
[   82.299460] Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
[   82.499694] ---[ end trace 4a10de0d8af3bbf9 ]---
[   82.530361] Kernel panic - not syncing: Fatal exception
[   82.536143] Dumping ftrace buffer:
[   82.539684]    (ftrace buffer empty)
[   82.543379] Kernel Offset: disabled
[   82.546989] Rebooting in 86400 seconds..