[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.055986] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.352065] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 25.695007] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 26.693174] random: nonblocking pool is initialized Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2018/02/26 17:54:37 fuzzer started 2018/02/26 17:54:37 dialing manager at 10.128.0.26:33791 2018/02/26 17:54:42 kcov=true, comps=false 2018/02/26 17:54:44 executing program 0: perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/ip6_mr_vif\x00') preadv(r0, &(0x7f0000f44000)=[{&(0x7f0000d53f89)=""/119, 0x77}], 0x1, 0x0) 2018/02/26 17:54:44 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000000)={0xa, 0x2, 0x0, @empty}, 0x1c) r2 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f00001f0000)='/selinux/policy\x00', 0x0, 0x0) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000c7a000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x2, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, 0x1c) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000588ff0)=@syzn={0x73, 0x79, 0x7a, 0x0}, 0x10) sendfile(r0, r2, &(0x7f00008bf000), 0x100420) 2018/02/26 17:54:44 executing program 3: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000a8eff8)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f00000bd000)=[], 0x924924924924aed, 0x0) connect$unix(r0, &(0x7f00002ffff6)=@file={0x0, './file0\x00'}, 0xa) 2018/02/26 17:54:44 executing program 2: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00009f5000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f00004ca000)={&(0x7f0000690000)={0x1c, 0x8, 0x6, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@nested={0x8, 0x1, [@generic="06"]}]}, 0x1c}, 0x1}, 0x0) pipe(&(0x7f0000000040)) 2018/02/26 17:54:44 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f0000000040)='usernodevsystem\x00', 0x4) ftruncate(r0, 0x0) 2018/02/26 17:54:44 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4b, &(0x7f0000000080), 0x2) 2018/02/26 17:54:44 executing program 5: r0 = socket$inet(0x2, 0x805, 0x0) connect$inet(r0, &(0x7f0000000280)={0x2, 0xffffffffffffffff, @multicast2=0xe0000002}, 0x10) bind$inet(r0, &(0x7f0000000140)={0x2, 0x1, @local={0xac, 0x14, 0x0, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f0000000000)="ec", 0x1, 0x0, &(0x7f0000000080)={0x2, 0xffffffffffffffff, @local={0xac, 0x14, 0x0, 0xaa}}, 0x10) 2018/02/26 17:54:44 executing program 6: syz_emit_ethernet(0x3e, &(0x7f000042f000)={@link_local={0x1, 0x80, 0xc2}, @random="e2701bb60689", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x30, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @rand_addr, @broadcast=0xffffffff, {[]}}, @icmp=@parameter_prob={0x21, 0x0, 0x0, 0x0, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast2=0xe0000002, {[]}}}}}}}, &(0x7f00000004c0)) [ 39.261647] IPVS: Creating netns size=2552 id=1 [ 39.325519] IPVS: Creating netns size=2552 id=2 [ 39.385390] IPVS: Creating netns size=2552 id=3 [ 39.448296] IPVS: Creating netns size=2552 id=4 [ 39.532131] IPVS: Creating netns size=2552 id=5 [ 39.633806] IPVS: Creating netns size=2552 id=6 [ 39.760082] IPVS: Creating netns size=2552 id=7 [ 39.884304] IPVS: Creating netns size=2552 id=8 [ 44.119842] audit: type=1400 audit(1519667688.945:5): avc: denied { create } for pid=5158 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 44.165437] audit: type=1400 audit(1519667688.995:6): avc: denied { write } for pid=5158 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 2018/02/26 17:54:49 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) sendmmsg(r0, &(0x7f0000001d80)=[{{&(0x7f0000000000)=ANY=[@ANYBLOB="0a004e2100000000000000000000000000000000834d000100000000"], 0x1, &(0x7f0000000080)=[], 0x0, &(0x7f0000000080)=[]}}], 0x1, 0x0) 2018/02/26 17:54:49 executing program 1: 2018/02/26 17:54:49 executing program 3: 2018/02/26 17:54:49 executing program 2: r0 = memfd_create(&(0x7f000003e000)='@&prockeyring\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) r2 = dup2(r1, r0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f000030c000)={0x0, 0x0, 0x0, "98de7a8c5ae95ec8792c92150fc33a664f13eeab65c0322901ca6bd31bde2c51f06c5f0b014f9f91eeb7647c7240f476c8d75dd000aa8faf8fb5740200a6dc4d"}) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(r0, 0x404c534a, &(0x7f0000044000)) 2018/02/26 17:54:49 executing program 4: unshare(0x28060400) unshare(0x8000000) 2018/02/26 17:54:49 executing program 6: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={&(0x7f0000001ff4)={0x10}, 0xc, &(0x7f0000007000)={&(0x7f0000299d58)=ANY=[@ANYBLOB="1400000013000901000000000fbf63961f000000"], 0x1}, 0x1}, 0x0) 2018/02/26 17:54:49 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000dacff8)=@assoc_value={0x0, 0x200}, 0x8) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f000098effc), 0x4) shutdown(r0, 0x0) sendto$inet6(r0, &(0x7f0000000000)="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", 0x55f, 0x0, 0x0, 0x0) writev(r0, &(0x7f0000447ff0)=[{&(0x7f00008889ff)="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", 0x200}], 0x1) close(r0) 2018/02/26 17:54:49 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000333f88)={0x2, 0x1, 0x0, 0x0, 0x8, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, [@sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0xffffffffffffffff, @rand_addr}}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0xffffffffffffffff, @multicast1=0xe0000001}}]}, 0x40}, 0x1}, 0x0) 2018/02/26 17:54:49 executing program 3: r0 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r0, &(0x7f00000002bb)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0xffffffffffffffff, @dev={0xac, 0x14}}, 0x1, 0x20000}}, 0x2e) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000000040)) 2018/02/26 17:54:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f000001bfc8)={&(0x7f0000e49ff4)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f00006c1000)=ANY=[@ANYBLOB="28000000180005c1f0000000000000000a00000000000008000000000c0008000600100000000000"], 0x1}, 0x1}, 0x0) 2018/02/26 17:54:49 executing program 0: r0 = inotify_init() fcntl$notify(r0, 0x0, 0x282) unshare(0x400) 2018/02/26 17:54:49 executing program 1: [ 44.356697] audit: type=1400 audit(1519667689.185:7): avc: denied { create } for pid=5219 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 2018/02/26 17:54:49 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000c7cfe4)={0xa, 0xffffffffffffffff, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff, 0xbb}, 0x5}, 0x1c) 2018/02/26 17:54:49 executing program 6: 2018/02/26 17:54:49 executing program 1: 2018/02/26 17:54:49 executing program 2: 2018/02/26 17:54:49 executing program 7: 2018/02/26 17:54:49 executing program 5: 2018/02/26 17:54:49 executing program 4: 2018/02/26 17:54:49 executing program 0: 2018/02/26 17:54:49 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000000)={0xa, 0x2, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x0, 0x20000004, &(0x7f0000b63fe4)={0xa, 0x2, 0x0, @empty}, 0x1c) sendmsg(r0, &(0x7f0000392fe4)={&(0x7f0000a04ff0)=ANY=[], 0x0, &(0x7f00001c8000)=[{&(0x7f0000556000)="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", 0x218}], 0x1, &(0x7f00006ee000)=[]}, 0x4008810) close(r0) 2018/02/26 17:54:49 executing program 7: ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f000014c000)={@generic="431df1f38e6e005a112f648d1c22ce26", @ifru_flags}) r0 = syz_open_dev$tun(&(0x7f0000ada000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f000053b000)=0x1) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={@common='bpq0\x00', @ifru_map={0x294e}}) 2018/02/26 17:54:49 executing program 0: syz_emit_ethernet(0x6e, &(0x7f0000000000)={@random="cd3997030f00", @empty, [], {@ipv6={0x86dd, {0x0, 0x6, "e30600", 0x38, 0x40000000023a, 0x0, @dev={0xfe, 0x80}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "2851b9", 0x0, 0xadd7106bce66fa84, 0x0, @mcast2={0xff, 0x2, [], 0x1}, @mcast1={0xff, 0x1, [], 0x1}, [], "5b77a3ca7ddcb744"}}}}}}}, 0x0) 2018/02/26 17:54:49 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00009f5000)={&(0x7f0000000100)={0x10}, 0xc, &(0x7f00004ca000)={&(0x7f0000690000)=ANY=[@ANYBLOB="1c000000050601000000000000000003000000000800010016000000"], 0x1c}, 0x1}, 0x0) 2018/02/26 17:54:49 executing program 2: r0 = socket$inet(0x2, 0x3, 0x84) sendmsg(r0, &(0x7f0000043000)={&(0x7f000000cff0)=@in={0x2, 0xffffffffffffffff, @empty}, 0x10, &(0x7f00003b3ff0)=[], 0x0, &(0x7f00003b3000)=[]}, 0x0) 2018/02/26 17:54:49 executing program 1: r0 = syz_open_dev$binder(&(0x7f0000e0f000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r1 = epoll_create(0x9) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f00007a8000)) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000336ff4)) ioctl$BINDER_THREAD_EXIT(r0, 0x40046208, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(0xffffffffffffffff, 0x4058534c, &(0x7f0000000080)={0x0, 0x7fff, 0x0, 0x101, 0x2, 0x1f}) 2018/02/26 17:54:49 executing program 6: r0 = syz_open_dev$binder(&(0x7f0000e0f000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r1 = epoll_create(0x9) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000336ff4)) ioctl$BINDER_THREAD_EXIT(r0, 0x40046208, 0x0) 2018/02/26 17:54:49 executing program 4: 2018/02/26 17:54:49 executing program 3: 2018/02/26 17:54:49 executing program 4: 2018/02/26 17:54:49 executing program 3: [ 44.545402] TCP: request_sock_TCPv6: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. 2018/02/26 17:54:49 executing program 5: 2018/02/26 17:54:49 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) readv(r0, &(0x7f0000e62f90)=[{&(0x7f0000531000)=""/173, 0x4}], 0x1) write$evdev(r0, &(0x7f0000b5df88)=[{}, {{0x77359400}}], 0x30) 2018/02/26 17:54:49 executing program 0: 2018/02/26 17:54:49 executing program 4: 2018/02/26 17:54:49 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000bec000)='net/igmp\x00') readv(r0, &(0x7f0000000540)=[{&(0x7f0000000440)=""/175, 0xaf}], 0x1) 2018/02/26 17:54:49 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/fib_trie\x00') readv(r0, &(0x7f0000000080)=[{&(0x7f0000000040)=""/33, 0x21}], 0x1) 2018/02/26 17:54:49 executing program 5: eventfd2(0x9, 0x1) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000029fcc)={{0x0, 0x2, 0x0, 0xffefffffffffffff}}) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) ioctl$SNDRV_TIMER_IOCTL_PARAMS(r0, 0x40505412, &(0x7f0000d97000)={0xffffffffffffffff, 0x1000000200007d}) 2018/02/26 17:54:49 executing program 6: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) getrandom(&(0x7f0000000140)=""/77, 0xfffffffffffffe4c, 0x0) 2018/02/26 17:54:49 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000fd1ff6)='net/tcp\x00') readv(r0, &(0x7f0000000240)=[{&(0x7f0000000100)=""/235, 0xeb}], 0x1) 2018/02/26 17:54:49 executing program 4: perf_event_open(&(0x7f000001d000)={0x2, 0x78, 0xe2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) getsockopt$inet6_int(r0, 0x29, 0x50, &(0x7f0000000600), &(0x7f0000000640)=0x4) 2018/02/26 17:54:49 executing program 6: 2018/02/26 17:54:49 executing program 0: 2018/02/26 17:54:49 executing program 1: 2018/02/26 17:54:49 executing program 0: 2018/02/26 17:54:49 executing program 7: 2018/02/26 17:54:49 executing program 6: 2018/02/26 17:54:49 executing program 7: request_key(&(0x7f0000000100)='dns_resolver\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a}, &(0x7f0000000000)="657468316b657972696e6773656c662d776c616e30215b776c616e3025a600", 0x0) 2018/02/26 17:54:49 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) readv(r0, &(0x7f0000e62f90)=[{&(0x7f0000531000)=""/173, 0x4}], 0x1) write$evdev(r0, &(0x7f0000b5df88)=[{}, {{0x77359400}}], 0x30) 2018/02/26 17:54:49 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$sock_buf(r0, 0x1, 0x1a, &(0x7f0000baf000)=""/1, &(0x7f0000561ffc)) 2018/02/26 17:54:49 executing program 6: 2018/02/26 17:54:49 executing program 3: 2018/02/26 17:54:49 executing program 1: 2018/02/26 17:54:49 executing program 5: 2018/02/26 17:54:49 executing program 6: 2018/02/26 17:54:49 executing program 3: INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes [ 242.204512] INFO: task syz-executor4:5292 blocked for more than 120 seconds. [ 242.211824] Not tainted 4.4.118-g5f7f76a #24 [ 242.216801] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 242.224807] syz-executor4 D ffff8800aaae7ae0 29896 5292 3864 0x00000004 [ 242.232213] ffff8800aaae7ae0 ffffffff00000006 ffff8801d17c3000 ffffffff8113bd3a [ 242.240211] ffffed00388ba018 ffff8801c45d0000 ffff8801db21fdb8 ffff8801db21fde0 [ 242.248280] ffff8801db21f4d8 ffff8800b4926000 ffff8801d17c3000 0000000000000000 [ 242.256400] Call Trace: [ 242.258976] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 242.265296] [] schedule+0x7a/0x1b0 [ 242.270457] [] __lock_sock+0xf1/0x180 [ 242.275914] [] ? sock_init_data+0xcc0/0xcc0 [ 242.281857] [] ? lock_sock_nested+0x43/0x120 [ 242.287925] [] ? prepare_to_wait_event+0x420/0x420 [ 242.294512] [] ? get_parent_ip+0xd/0x50 [ 242.300113] [] lock_sock_nested+0xf6/0x120 [ 242.305994] [] ipv6_getorigdst+0x136/0x610 [ 242.311852] [] ? ipv6_print_tuple+0x30/0x30 [ 242.317835] [] ? __ww_mutex_lock_interruptible+0x14d0/0x14d0 [ 242.325275] [] ? mark_held_locks+0xaf/0x100 [ 242.331218] [] ? mutex_unlock+0x9/0x10 [ 242.336758] [] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 242.343830] [] nf_getsockopt+0x6a/0xc0 [ 242.349377] [] ipv6_getsockopt+0x1ce/0x250 [ 242.355268] [] ? do_ipv6_getsockopt.isra.5+0x21a0/0x21a0 [ 242.362342] [] ? __fget+0x23a/0x3b0 [ 242.367616] [] udpv6_getsockopt+0x45/0x80 [ 242.373388] [] sock_common_getsockopt+0x95/0xd0 [ 242.379707] [] SyS_getsockopt+0x14a/0x230 [ 242.385512] [] ? SyS_setsockopt+0x250/0x250 [ 242.391458] [] ? move_addr_to_kernel+0x50/0x50 [ 242.397685] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 242.404153] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 242.410920] 1 lock held by syz-executor4/5292: [ 242.415488] #0: (sk_lock-AF_INET6){+.+.+.}, at: [] ipv6_getsockopt+0x1b3/0x250 [ 242.425166] Sending NMI to all CPUs: [ 242.429987] NMI backtrace for cpu 0 [ 242.433582] CPU: 0 PID: 485 Comm: khungtaskd Not tainted 4.4.118-g5f7f76a #24 [ 242.440857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.450205] task: ffff8800bb37e000 task.stack: ffff8800bba68000 [ 242.456257] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1a0 [ 242.465005] RSP: 0018:ffff8800bba6fcb8 EFLAGS: 00000046 [ 242.470431] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 242.477714] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300 [ 242.484984] RBP: ffff8800bba6fce0 R08: 0000000000000001 R09: 0000000000000000 [ 242.492226] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000246 [ 242.499503] R13: 0000000000000003 R14: ffffffff8426f420 R15: 0000000000000002 [ 242.506805] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 242.515038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.520895] CR2: 00007f75cb892000 CR3: 00000000bbace000 CR4: 0000000000160670 [ 242.528164] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.535448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.542693] Stack: [ 242.544844] ffffffff8426f420 ffffffff847ef9c0 fffffbfff08fd9ec dffffc0000000000 [ 242.552350] ffff8801db31bca0 ffff8800bba6fd00 ffffffff810b999b ffffffff839f63c0 [ 242.559885] 0000000000000003 ffff8800bba6fd60 ffffffff81d0ef94 ffffffff8141b013 [ 242.567404] Call Trace: [ 242.569960] [] nmi_raise_cpu_backtrace+0x5b/0x70 [ 242.576366] [] nmi_trigger_all_cpu_backtrace+0x4a4/0x550 [ 242.583434] [] ? print_lock+0xab/0xae [ 242.588987] [] ? irq_force_complete_move+0x3b0/0x3b0 [ 242.595727] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 242.602802] [] watchdog+0x6fa/0xae0 [ 242.608079] [] ? watchdog+0xc3/0xae0 [ 242.613423] [] kthread+0x268/0x300 [ 242.618612] [] ? reset_hung_task_detector+0x20/0x20 [ 242.625267] [] ? kthread_create_on_node+0x400/0x400 [ 242.631905] [] ? kthread_create_on_node+0x400/0x400 [ 242.638572] [] ret_from_fork+0x55/0x80 [ 242.644097] [] ? kthread_create_on_node+0x400/0x400 [ 242.650767] Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 6b 2f 17 00 4c 89 e7 57 9d 0f 1f [ 242.669751] NMI backtrace for cpu 1 [ 242.673348] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.118-g5f7f76a #24 [ 242.680362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.689709] task: ffff8801d9b49800 task.stack: ffff8801d9b58000 [ 242.695765] RIP: 0010:[] [] native_safe_halt+0x6/0x10 [ 242.704136] RSP: 0018:ffff8801d9b5fd98 EFLAGS: 00000246 [ 242.709581] RAX: 0000000000000007 RBX: ffffffff847ddac8 RCX: 0000000000000000 [ 242.716842] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d9b4a0cc [ 242.724083] RBP: ffff8801d9b5fd98 R08: 0000000000000000 R09: 0000000000000000 [ 242.731351] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 242.738612] R13: fffffbfff070889c R14: ffffffff847ebe38 R15: 0000000000000000 [ 242.745879] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 242.754162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 242.760043] CR2: 00007f1b440ea000 CR3: 00000001d3bc4000 CR4: 0000000000160670 [ 242.767298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 242.774555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 242.781793] Stack: [ 242.783910] ffff8801d9b5fdd0 ffffffff81027e85 ffff8801d9b60000 ffffffff847ddac8 [ 242.791433] fffffbfff070889c ffffffff847ebe38 0000000000000000 ffff8801d9b5fde0 [ 242.798944] ffffffff810293fa ffff8801d9b5fdf8 ffffffff81221468 dffffc0000000000 [ 242.806471] Call Trace: [ 242.809025] [] default_idle+0x55/0x3c0 [ 242.814542] [] arch_cpu_idle+0xa/0x10 [ 242.819959] [] default_idle_call+0x48/0x70 [ 242.825823] [] cpu_startup_entry+0x5fd/0x8f0 [ 242.831854] [] ? call_cpuidle+0xe0/0xe0 [ 242.837466] [] ? clockevents_register_device+0x122/0x230 [ 242.844543] [] start_secondary+0x304/0x3e0 [ 242.850394] [] ? set_cpu_sibling_map+0x1080/0x1080 [ 242.856964] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 [ 242.876075] Kernel panic - not syncing: hung_task: blocked tasks [ 242.882225] CPU: 1 PID: 485 Comm: khungtaskd Not tainted 4.4.118-g5f7f76a #24 [ 242.889470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.898798] 0000000000000000 1448119c067e0278 ffff8800bba6fca8 ffffffff81d0402d [ 242.906770] ffffffff83883080 ffff8800bba6fd80 dffffc0000000000 7fffffffffffffff [ 242.914738] ffff8800b3984c48 ffff8800bba6fd70 ffffffff8141aaea 0000000041b58ab3 [ 242.922701] Call Trace: [ 242.925262] [] dump_stack+0xc1/0x124 [ 242.930595] [] panic+0x1aa/0x388 [ 242.935579] [] ? percpu_up_read.constprop.45+0xe1/0xe1 [ 242.942474] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 242.949716] [] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550 [ 242.956962] [] watchdog+0x70b/0xae0 [ 242.962207] [] ? watchdog+0xc3/0xae0 [ 242.967538] [] kthread+0x268/0x300 [ 242.972698] [] ? reset_hung_task_detector+0x20/0x20 [ 242.979331] [] ? kthread_create_on_node+0x400/0x400 [ 242.985967] [] ? kthread_create_on_node+0x400/0x400 [ 242.992602] [] ret_from_fork+0x55/0x80 [ 242.998117] [] ? kthread_create_on_node+0x400/0x400 [ 243.005210] Dumping ftrace buffer: [ 243.008752] (ftrace buffer empty) [ 243.012520] Kernel Offset: disabled [ 243.016127] Rebooting in 86400 seconds..