[....] 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[ 29.883291] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.497213] random: sshd: uninitialized urandom read (32 bytes read) [ 34.891201] random: sshd: uninitialized urandom read (32 bytes read) [ 36.177357] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. [ 41.686698] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/13 12:12:43 fuzzer started [ 43.244162] random: cc1: uninitialized urandom read (8 bytes read) 2018/06/13 12:12:46 dialing manager at 10.128.0.26:37601 2018/06/13 12:12:52 syscalls: 1643 2018/06/13 12:12:52 code coverage: enabled 2018/06/13 12:12:52 comparison tracing: ioctl(KCOV_TRACE_CMP) failed: errno 524 2018/06/13 12:12:52 setuid sandbox: enabled 2018/06/13 12:12:52 namespace sandbox: enabled 2018/06/13 12:12:52 fault injection: enabled 2018/06/13 12:12:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2018/06/13 12:12:52 net packed injection: enabled 12:12:57 executing program 0: r0 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) ioctl$SNDRV_TIMER_IOCTL_TREAD(r0, 0x40045402, &(0x7f0000000080)) ioctl$SNDRV_TIMER_IOCTL_INFO(r0, 0x80e85411, &(0x7f00000000c0)) setsockopt$XDP_RX_RING(r0, 0x11b, 0x2, &(0x7f0000000100)=0x1400, 0x4) fcntl$getownex(r0, 0x10, &(0x7f0000000140)) ioctl$sock_inet6_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000180)) sysfs$2(0x2, 0xff47, &(0x7f00000001c0)=""/144) getpeername(r0, &(0x7f0000000280)=@generic, &(0x7f0000000300)=0x80) ftruncate(r0, 0x104) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000380)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DEST(r0, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0xc0, r1, 0x400, 0x70bd25, 0x25dfdbfd, {0x5}, [@IPVS_CMD_ATTR_DEST={0x14, 0x2, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x6}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb, 0xa}]}, @IPVS_CMD_ATTR_SERVICE={0x34, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x3}, @IPVS_SVC_ATTR_SCHED_NAME={0xc, 0x6, 'lblc\x00'}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x7b}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x32}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x4, 0x2}}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x8000000000000000}, @IPVS_CMD_ATTR_SERVICE={0x18, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1, 0xa}}, @IPVS_SVC_ATTR_SCHED_NAME={0x8, 0x6, 'wlc\x00'}]}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x2}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x5}, @IPVS_CMD_ATTR_DEST={0x30, 0x2, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x9}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x10000}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x8, 0xb}]}]}, 0xc0}, 0x1, 0x0, 0x0, 0x40004}, 0x1) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e24, @rand_addr=0x874c288}}, 0x0, 0x1ff, 0xe732, 0x99, 0x80}, &(0x7f00000005c0)=0x98) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f0000000600)={r2, @in6={{0xa, 0x4e20, 0x10000, @local={0xfe, 0x80, [], 0xaa}, 0x7ff}}}, &(0x7f00000006c0)=0x84) ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000700)={0x0}) ioctl$DRM_IOCTL_GET_CTX(r0, 0xc0086423, &(0x7f0000000740)={r3, 0x3}) ioctl$TIOCLINUX4(r0, 0x541c, &(0x7f0000000780)=0x4) ioctl$PIO_SCRNMAP(r0, 0x4b41, &(0x7f00000007c0)="d2f2678bf4fab587fe171c67a3ab7b08017f99a4fffef5c6cc2aab0baa236084e4ae78dab86689b7fdf5c59ff2fa157cbbaf20d8e7d1e394b436b53eba6c570ffcf753efc8e58a15c2") setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r0, 0x84, 0x16, &(0x7f0000000840)={0x1, [0x0]}, 0x6) ioctl$EVIOCGPROP(r0, 0x80404509, &(0x7f0000000880)=""/220) ioctl$TUNSETVNETLE(r0, 0x400454dc, &(0x7f0000000980)) setsockopt$inet_buf(r0, 0x0, 0x2a, &(0x7f00000009c0)="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", 0x1000) stat(&(0x7f00000019c0)='./file0\x00', &(0x7f0000001a00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000001a80)={0x0, 0x0, 0x0}, &(0x7f0000001ac0)=0xc) stat(&(0x7f0000001b00)='./file0\x00', &(0x7f0000001b40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setresgid(r4, r5, r6) ioctl$DRM_IOCTL_AGP_ENABLE(r0, 0x40086432, &(0x7f0000001bc0)=0x9) ftruncate(r0, 0xc668) ioctl$DRM_IOCTL_SET_UNIQUE(r0, 0x40106410, &(0x7f0000001c40)={0x38, &(0x7f0000001c00)="f25d2a6cc60d9bd6df8d672aaec689146586b8ef4d0000eff71d8b80b6abfeae17206013365723817e7fc38fcfa482ec18053819ea072111"}) renameat2(r0, &(0x7f0000001c80)='./file0\x00', r0, &(0x7f0000001cc0)='./file0\x00', 0x0) 12:12:57 executing program 3: r0 = open(&(0x7f0000000000)='./file0\x00', 0x41, 0x28) ioctl$VT_RELDISP(r0, 0x5605) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x3, 0x30}, &(0x7f0000000080)=0xc) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f00000000c0)={r1, 0x61ac, 0x30, 0x401, 0x2}, &(0x7f0000000100)=0x18) sendto(r0, &(0x7f0000000140)="cd851e536d5f287c1302de923b3f5bc3", 0x10, 0x4000010, 0x0, 0x0) r2 = fcntl$getown(r0, 0x9) wait4(r2, &(0x7f0000000180), 0x20000000, &(0x7f00000001c0)) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f0000000380)={0x1, 0x0, [{0x0, 0xf6, &(0x7f0000000280)=""/246}]}) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f00000003c0)={r0}) r3 = semget$private(0x0, 0x2, 0x200) semctl$SETVAL(r3, 0x0, 0x10, &(0x7f0000000400)=0x80) r4 = add_key$keyring(&(0x7f0000000440)='keyring\x00', &(0x7f0000000480)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$get_security(0x11, r4, &(0x7f00000004c0)=""/46, 0x2e) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000540)={&(0x7f0000000500)='./file0\x00', 0x0, 0x18}, 0x10) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0286415, &(0x7f0000000580)={&(0x7f0000ffe000/0x2000)=nil, 0x2, 0x0, 0x8, &(0x7f0000ffd000/0x3000)=nil, 0xc46}) getpeername$ax25(r0, &(0x7f00000005c0), &(0x7f0000000600)=0x10) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000640)={0xffffffffffffffff}) tgkill(r2, r2, 0x2c) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000001900)={'team0\x00', 0x0}) ioctl$sock_inet6_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000001940)={@empty, 0x13, r6}) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000001980)) socket$bt_bnep(0x1f, 0x3, 0x4) ioctl$sock_inet_SIOCSIFBRDADDR(r5, 0x891a, &(0x7f00000019c0)={'bond_slave_0\x00', {0x2, 0x4e22}}) process_vm_readv(r2, &(0x7f0000001c00)=[{&(0x7f0000001a00)=""/217, 0xd9}, {&(0x7f0000001b00)=""/184, 0xb8}, {&(0x7f0000001bc0)=""/26, 0x1a}], 0x3, &(0x7f0000002000)=[{&(0x7f0000001c40)=""/188, 0xbc}, {&(0x7f0000001d00)=""/96, 0x60}, {&(0x7f0000001d80)=""/8, 0x8}, {&(0x7f0000001dc0)=""/221, 0xdd}, {&(0x7f0000001ec0)=""/216, 0xd8}, {&(0x7f0000001fc0)=""/10, 0xa}], 0x6, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f0000002080), &(0x7f00000020c0)=0x4) r7 = msgget$private(0x0, 0x88) msgctl$IPC_STAT(r7, 0x2, &(0x7f0000002100)=""/4096) fstat(r0, &(0x7f0000003100)) get_robust_list(r2, &(0x7f00000032c0)=&(0x7f0000003280)={&(0x7f00000031c0)={&(0x7f0000003180)}, 0x0, &(0x7f0000003240)={&(0x7f0000003200)}}, &(0x7f0000003300)=0x18) ioctl$SG_GET_NUM_WAITING(r0, 0x227d, &(0x7f0000003340)) 12:12:57 executing program 7: r0 = add_key(&(0x7f0000000000)='dns_resolver\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000080)="9133bec5e78ffc76bdd223540ca844726db92b926efc0eb55661495d703e1b727abe2ac70bb6bca9757302ee4a3f0295badf7e061c82225efc483f7146148964901569c4b2903433f7b6401e90be37ea529441fa1344305259d5ee7b059dc79228dbf1afc10b0f", 0x67, 0xfffffffffffffff9) keyctl$read(0xb, r0, &(0x7f0000000100)=""/111, 0x6f) r1 = syz_open_dev$mice(&(0x7f0000000180)='/dev/input/mice\x00', 0x0, 0x20000) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x2d, &(0x7f00000001c0)={0x4, {{0xa, 0x4e24, 0x9, @loopback={0x0, 0x1}, 0x5}}}, 0x88) r2 = msgget(0x3, 0x4a) msgctl$IPC_INFO(r2, 0x3, &(0x7f0000000280)=""/214) ioctl$VHOST_GET_FEATURES(r1, 0x8008af00, &(0x7f0000000380)) r3 = openat$cgroup_ro(r1, &(0x7f00000003c0)='pids.events\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000000400)={0x0, 0x515}, &(0x7f0000000440)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000480)={r4, 0xed}, 0x8) r5 = getuid() stat(&(0x7f0000000500)='./file0\x00', &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGPGRP(r3, 0x540f, &(0x7f0000003d40)=0x0) stat(&(0x7f0000003d80)='./file0\x00', &(0x7f0000003dc0)={0x0, 0x0, 0x0, 0x0, 0x0}) r9 = getpgrp(0x0) ioctl$TIOCGPGRP(r3, 0x540f, &(0x7f0000004200)=0x0) r11 = gettid() r12 = getpgrp(0x0) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000004b00)=0x0) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000004b40)={{{@in6=@ipv4={[], [], @remote}, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6=@local}}, &(0x7f0000004c40)=0xe8) lstat(&(0x7f0000004c80)='./file0\x00', &(0x7f0000004cc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$sock_SIOCGPGRP(r3, 0x8904, &(0x7f0000004d40)=0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000004d80)={{{@in=@broadcast, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@local}}, &(0x7f0000004e80)=0xe8) getgroups(0x9, &(0x7f0000004ec0)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0]) [ 55.885734] Not allocated shadow for addr ffff8801d3a44000 (page ffffea000af5d980) [ 55.893514] Attempted to access 4096 bytes [ 55.897806] ------------[ cut here ]------------ [ 55.902577] kernel BUG at mm/kmsan/kmsan.c:1378! [ 55.907340] invalid opcode: 0000 [#1] SMP PTI [ 55.911833] Dumping ftrace buffer: [ 55.915361] (ftrace buffer empty) [ 55.919062] Modules linked in: [ 55.922255] CPU: 0 PID: 4474 Comm: sshd Not tainted 4.17.0+ #6 [ 55.928220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.937590] RIP: 0010:kmsan_get_shadow_address+0x1ce/0x1f0 [ 55.943206] RSP: 0018:ffff8801b042e6f0 EFLAGS: 00010082 [ 55.948563] RAX: 000000000000001e RBX: 0000000000000740 RCX: 0000000000000000 [ 55.955825] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 [ 55.963095] RBP: ffff8801b042e708 R08: 0000000000000000 R09: 0000000000000001 [ 55.970383] R10: 0000000000000000 R11: ffffffff86575770 R12: ffff8801d3a44000 [ 55.977648] R13: 000000000000195e R14: 0000000000000001 R15: 0000000000001000 [ 55.984914] FS: 00007f7c8dc227c0(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 55.993196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.999075] CR2: 000055a1c535d000 CR3: 00000001b1a76000 CR4: 00000000001406f0 [ 56.006340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.013606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.020918] Call Trace: [ 56.023516] kmsan_internal_unpoison_shadow+0x5c/0xe0 [ 56.028714] kmsan_unpoison_shadow+0x66/0xb0 [ 56.033135] virtqueue_get_buf_ctx+0x73f/0xa20 [ 56.037725] virtqueue_get_buf+0x72/0x90 [ 56.041791] start_xmit+0x293/0x29c0 [ 56.045501] ? packet_rcv+0x2210/0x2210 [ 56.049478] ? virtnet_close+0x2c0/0x2c0 [ 56.053540] dev_hard_start_xmit+0x5f6/0xc80 [ 56.057958] sch_direct_xmit+0x578/0x8f0 [ 56.062021] __qdisc_run+0x1822/0x3730 [ 56.065920] __dev_queue_xmit+0x2069/0x3540 [ 56.070246] dev_queue_xmit+0x4b/0x60 [ 56.074045] ip_finish_output2+0x12a8/0x1480 [ 56.078456] ip_finish_output+0xcbc/0x1000 [ 56.079906] IPVS: ftp: loaded support on port[0] = 21 [ 56.082688] ip_output+0x505/0x5d0 [ 56.082700] ? ip_mc_finish_output+0x3b0/0x3b0 [ 56.082714] ? ip_finish_output+0x1000/0x1000 [ 56.082724] ip_queue_xmit+0x1b0f/0x1d00 [ 56.082738] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 56.082767] ? __skb_clone+0x6ec/0x990 [ 56.114027] ? ip_output+0x5d0/0x5d0 [ 56.117745] tcp_transmit_skb+0x3db5/0x5350 [ 56.122082] tcp_write_xmit+0x2d81/0xb200 [ 56.126260] __tcp_push_pending_frames+0x124/0x400 [ 56.131189] tcp_push+0x803/0x8f0 [ 56.134651] tcp_sendmsg_locked+0x4eb1/0x6610 [ 56.139164] tcp_sendmsg+0xb2/0x100 [ 56.142794] ? tcp_sendmsg_locked+0x6610/0x6610 [ 56.147457] inet_sendmsg+0x3fc/0x760 [ 56.151280] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 56.156667] ? inet_getname+0x4a0/0x4a0 [ 56.160637] sock_write_iter+0x3bc/0x470 [ 56.164718] ? sock_read_iter+0x480/0x480 [ 56.168863] __vfs_write+0x808/0x9f0 [ 56.172601] vfs_write+0x467/0x8c0 [ 56.176145] __x64_sys_write+0x1bf/0x3e0 [ 56.180209] ? ksys_write+0x360/0x360 [ 56.184029] do_syscall_64+0x15b/0x230 [ 56.188011] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.193196] RIP: 0033:0x7f7c8bfbd370 [ 56.196899] RSP: 002b:00007ffcc6c71b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.204603] RAX: ffffffffffffffda RBX: 0000000000001b38 RCX: 00007f7c8bfbd370 [ 56.211868] RDX: 0000000000001b38 RSI: 000055a1c5359220 RDI: 0000000000000003 [ 56.219131] RBP: 000055a1c5359220 R08: 0000000000000001 R09: 0101010101010101 [ 56.226399] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffcc6c71bac [ 56.233665] R13: 000055a1c3e9afb4 R14: 0000000000000028 R15: 000055a1c3e9cca0 [ 56.240934] Code: 75 29 48 c7 c7 59 38 97 8a 31 c0 e8 fd 4c 80 ff 80 3c 25 f8 93 53 8b 00 75 11 48 c7 c7 89 38 97 8a 31 c0 4c 89 fe e8 e2 4c 80 ff <0f> 0b eb fe 48 3d ff ff ff 1f 0f 87 a2 fe ff ff 48 8b 1c 25 10 [ 56.260483] RIP: kmsan_get_shadow_address+0x1ce/0x1f0 RSP: ffff8801b042e6f0 [ 56.267587] ---[ end trace 9d6445c14019f791 ]--- [ 56.272331] Kernel panic - not syncing: Fatal exception in interrupt [ 56.279238] Dumping ftrace buffer: [ 56.282772] (ftrace buffer empty) [ 56.286478] Kernel Offset: disabled [ 56.290090] Rebooting in 86400 seconds..