[ 101.520739] audit: type=1800 audit(1547198882.576:25): pid=11332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 101.539816] audit: type=1800 audit(1547198882.576:26): pid=11332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 101.559263] audit: type=1800 audit(1547198882.606:27): pid=11332 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 102.785747] sshd (11399) used greatest stack depth: 54192 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 107.083921] sshd (11468) used greatest stack depth: 54176 bytes left Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. 2019/01/11 09:28:18 fuzzer started 2019/01/11 09:28:23 dialing manager at 10.128.0.26:37813 2019/01/11 09:28:23 syscalls: 1 2019/01/11 09:28:23 code coverage: enabled 2019/01/11 09:28:23 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/01/11 09:28:23 setuid sandbox: enabled 2019/01/11 09:28:23 namespace sandbox: enabled 2019/01/11 09:28:23 Android sandbox: /sys/fs/selinux/policy does not exist 2019/01/11 09:28:23 fault injection: enabled 2019/01/11 09:28:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/01/11 09:28:23 net packet injection: enabled 2019/01/11 09:28:23 net device setup: enabled 09:31:36 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f0000000180)='wlan0\x00', 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000380)='/exe\x00\x00\x00\x00\x00\x04\t\x00K\xdd\xd9\xde\x91\xbe\x10\xee\xbf\x00\x0e\xe9\xa9\x0fy\x80XC\x9e\xd5T\xfa\aBJ\xde\xe9\x01\xd2\xdau\xaf\x1f\x02\xac\xc7\xed\xbc\xd7\xa0q\xfb53\x1c\xe3\x9cZ\v\xcb\x98\xa3\xe1\xf4o\xd5\x1b\x13\x9du^\xfc\xe9v\x8b\x84\xeau\xc2\xffK<\x85\xca\xef7M\x12jV\xfaGC\xaf~\xf5\\\x84k\xfe}\xd1`r\xd2`\xff\xdd\xcc\x8am\"\xe0/D\xd6\xa3`RK\x86\xb5\x1aKX\xaf\xca5\xf1\"\x01\xad\xb0$\xbf\xb2\x0f\xbd6Nx\xa22\xfb\xef1YP)\xf7Ut\n\xb1^\x17=\xc7;\xa9d\xa4\x18\x90\a\xc7\xc4\r\xb8\xfbKd\xdd\x8e\xc4\xd3f') fcntl$setstatus(r1, 0x4, 0x4000) sendfile(r0, r1, 0x0, 0x1080005023) [ 316.002623] IPVS: ftp: loaded support on port[0] = 21 [ 316.174021] chnl_net:caif_netlink_parms(): no params data found [ 316.257856] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.264580] bridge0: port 1(bridge_slave_0) entered disabled state [ 316.273319] device bridge_slave_0 entered promiscuous mode [ 316.282796] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.289301] bridge0: port 2(bridge_slave_1) entered disabled state [ 316.297801] device bridge_slave_1 entered promiscuous mode [ 316.335638] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 316.347338] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 316.381249] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 316.390261] team0: Port device team_slave_0 added [ 316.396921] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 316.405726] team0: Port device team_slave_1 added [ 316.412163] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 316.421067] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 316.527162] device hsr_slave_0 entered promiscuous mode [ 316.652816] device hsr_slave_1 entered promiscuous mode [ 316.913271] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 316.920896] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 316.954084] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.960656] bridge0: port 2(bridge_slave_1) entered forwarding state [ 316.967950] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.974546] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.073855] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 317.080003] 8021q: adding VLAN 0 to HW filter on device bond0 [ 317.094338] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 317.109465] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 317.121497] bridge0: port 1(bridge_slave_0) entered disabled state [ 317.130831] bridge0: port 2(bridge_slave_1) entered disabled state [ 317.143404] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 317.162221] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 317.168336] 8021q: adding VLAN 0 to HW filter on device team0 [ 317.184547] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 317.192810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 317.201528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 317.211823] bridge0: port 1(bridge_slave_0) entered blocking state [ 317.218315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 317.235956] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 317.249962] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 317.258143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 317.267270] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 317.275846] bridge0: port 2(bridge_slave_1) entered blocking state [ 317.282386] bridge0: port 2(bridge_slave_1) entered forwarding state [ 317.291721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 317.312341] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 317.319383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 317.340338] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 317.348286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 317.357777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 317.374468] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 317.387996] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 317.395892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 317.405108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 317.414555] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 317.423747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 317.432514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 317.450426] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 317.460175] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 317.472665] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 317.478734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 317.488573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 317.497460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 317.531307] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 317.557702] 8021q: adding VLAN 0 to HW filter on device batadv0 09:31:39 executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f00003dd000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f00000001c0)=""/246) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) clone(0x2102001ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={'veth1Tto_bond\x00', 0x3802}) dup2(r1, r2) open$dir(&(0x7f0000000200)='./file0\x00', 0x281, 0x0) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f00003dd000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r3, 0xc004743e, &(0x7f0000000000)=""/246) 09:31:39 executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f00003dd000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f00000001c0)=""/246) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) clone(0x2102001ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000040)={'veth1Tto_bond\x00', 0x3802}) dup2(r1, r2) open$dir(&(0x7f0000000200)='./file0\x00', 0x281, 0x0) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f00003dd000)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r3, 0xc004743e, &(0x7f0000000000)=""/246) 09:31:40 executing program 1: r0 = syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x0) r1 = getpgrp(0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000000)=0x9) read(r0, &(0x7f0000000100)=""/28, 0x1c) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r0, 0x4040534e, &(0x7f0000000080)={0x200000000bf}) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f00000001c0)={{}, 'port0\x00'}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000640)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r0, 0x0, r2) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r3, 0x80045301, 0x0) r4 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f0000000280)={{}, {0x0, 0x1c9c380}}, 0x0) tkill(r4, 0x1000000000013) 09:31:40 executing program 0: r0 = socket$kcm(0x11, 0x3, 0x0) sendmsg$kcm(r0, &(0x7f00000004c0)={&(0x7f0000000040)=@nfc={0x27, 0x3}, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000500)="c1bbf9010003400000881ee4ac141411e0", 0x11}], 0x1}, 0x0) [ 319.417274] ================================================================== [ 319.424804] BUG: KMSAN: uninit-value in ___neigh_create+0x20cc/0x2890 [ 319.431435] CPU: 0 PID: 11519 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #7 [ 319.438544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.447907] Call Trace: [ 319.450582] dump_stack+0x173/0x1d0 [ 319.454259] kmsan_report+0x12e/0x2a0 [ 319.458106] __msan_warning+0x82/0xf0 [ 319.461962] ___neigh_create+0x20cc/0x2890 [ 319.466286] __neigh_create+0xbd/0xd0 [ 319.470174] ip_finish_output2+0xa0f/0x1820 [ 319.474542] ? bio_dirty_fn+0x172/0x670 [ 319.478560] ip_finish_output+0xd2b/0xfd0 [ 319.482757] ip_output+0x53f/0x610 [ 319.486343] ? ip_mc_finish_output+0x3b0/0x3b0 [ 319.490953] ? ip_finish_output+0xfd0/0xfd0 [ 319.495302] ip_local_out+0x164/0x1d0 [ 319.499190] iptunnel_xmit+0x8a7/0xde0 [ 319.503153] ? pskb_expand_head+0xf10/0x18f0 [ 319.507651] ip_tunnel_xmit+0x35b9/0x3980 [ 319.511892] ipgre_xmit+0x1098/0x11c0 [ 319.515749] ? ipgre_close+0x230/0x230 [ 319.519703] dev_hard_start_xmit+0x604/0xc40 [ 319.524190] __dev_queue_xmit+0x2e48/0x3b80 [ 319.528600] dev_queue_xmit+0x4b/0x60 [ 319.532456] ? __netdev_pick_tx+0x1260/0x1260 [ 319.537037] packet_sendmsg+0x79bb/0x9760 [ 319.541232] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 319.546724] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 319.551947] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 319.557448] ___sys_sendmsg+0xdb9/0x11b0 [ 319.561549] ? compat_packet_setsockopt+0x360/0x360 [ 319.566632] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 319.571876] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 319.577263] ? __fget_light+0x6e1/0x750 [ 319.581288] __se_sys_sendmsg+0x305/0x460 [ 319.585499] __x64_sys_sendmsg+0x4a/0x70 [ 319.589629] do_syscall_64+0xbc/0xf0 [ 319.593461] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 319.598705] RIP: 0033:0x457ec9 [ 319.601915] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 319.620840] RSP: 002b:00007feb73bfcc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 319.628563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 319.635845] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003 [ 319.643329] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 319.650618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb73bfd6d4 [ 319.657905] R13: 00000000004c52f9 R14: 00000000004d8d58 R15: 00000000ffffffff [ 319.665246] [ 319.666876] Uninit was created at: [ 319.670418] No stack [ 319.672742] ================================================================== [ 319.680104] Disabling lock debugging due to kernel taint [ 319.685558] Kernel panic - not syncing: panic_on_warn set ... [ 319.691461] CPU: 0 PID: 11519 Comm: syz-executor0 Tainted: G B 5.0.0-rc1+ #7 [ 319.699965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.709342] Call Trace: [ 319.711990] dump_stack+0x173/0x1d0 [ 319.715648] panic+0x3d1/0xb01 [ 319.718933] kmsan_report+0x293/0x2a0 [ 319.722770] __msan_warning+0x82/0xf0 [ 319.726598] ___neigh_create+0x20cc/0x2890 [ 319.730910] __neigh_create+0xbd/0xd0 [ 319.734764] ip_finish_output2+0xa0f/0x1820 [ 319.739130] ? bio_dirty_fn+0x172/0x670 [ 319.743150] ip_finish_output+0xd2b/0xfd0 [ 319.747371] ip_output+0x53f/0x610 [ 319.750960] ? ip_mc_finish_output+0x3b0/0x3b0 [ 319.755568] ? ip_finish_output+0xfd0/0xfd0 [ 319.759923] ip_local_out+0x164/0x1d0 [ 319.763793] iptunnel_xmit+0x8a7/0xde0 [ 319.767717] ? pskb_expand_head+0xf10/0x18f0 [ 319.772372] ip_tunnel_xmit+0x35b9/0x3980 [ 319.776601] ipgre_xmit+0x1098/0x11c0 [ 319.780452] ? ipgre_close+0x230/0x230 [ 319.784366] dev_hard_start_xmit+0x604/0xc40 [ 319.788834] __dev_queue_xmit+0x2e48/0x3b80 [ 319.793223] dev_queue_xmit+0x4b/0x60 [ 319.797042] ? __netdev_pick_tx+0x1260/0x1260 [ 319.801561] packet_sendmsg+0x79bb/0x9760 [ 319.805756] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 319.811241] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 319.816460] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 319.821917] ___sys_sendmsg+0xdb9/0x11b0 [ 319.826023] ? compat_packet_setsockopt+0x360/0x360 [ 319.831088] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 319.836308] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 319.841701] ? __fget_light+0x6e1/0x750 [ 319.845738] __se_sys_sendmsg+0x305/0x460 [ 319.849951] __x64_sys_sendmsg+0x4a/0x70 [ 319.854035] do_syscall_64+0xbc/0xf0 [ 319.857773] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 319.862974] RIP: 0033:0x457ec9 [ 319.866182] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 319.885102] RSP: 002b:00007feb73bfcc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 319.892827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 319.900104] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003 [ 319.907384] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 319.914678] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb73bfd6d4 [ 319.921977] R13: 00000000004c52f9 R14: 00000000004d8d58 R15: 00000000ffffffff [ 319.930829] Kernel Offset: disabled [ 319.934461] Rebooting in 86400 seconds..