[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 97.530440] audit: type=1800 audit(1549237456.572:25): pid=10825 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 97.549569] audit: type=1800 audit(1549237456.572:26): pid=10825 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 97.569024] audit: type=1800 audit(1549237456.602:27): pid=10825 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. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.220' (ECDSA) to the list of known hosts. 2019/02/03 23:44:31 fuzzer started 2019/02/03 23:44:37 dialing manager at 10.128.0.26:42179 2019/02/03 23:44:37 syscalls: 1 2019/02/03 23:44:37 code coverage: enabled 2019/02/03 23:44:37 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/02/03 23:44:37 extra coverage: extra coverage is not supported by the kernel 2019/02/03 23:44:37 setuid sandbox: enabled 2019/02/03 23:44:37 namespace sandbox: enabled 2019/02/03 23:44:37 Android sandbox: /sys/fs/selinux/policy does not exist 2019/02/03 23:44:37 fault injection: enabled 2019/02/03 23:44:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/02/03 23:44:37 net packet injection: enabled 2019/02/03 23:44:37 net device setup: enabled 23:47:36 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000380)='/dev/ptmx\x00', 0x0, 0x0) read(r0, &(0x7f0000000180)=""/11, 0xa) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000100)) syzkaller login: [ 298.301117] IPVS: ftp: loaded support on port[0] = 21 [ 298.478199] chnl_net:caif_netlink_parms(): no params data found [ 298.570733] bridge0: port 1(bridge_slave_0) entered blocking state [ 298.577522] bridge0: port 1(bridge_slave_0) entered disabled state [ 298.586481] device bridge_slave_0 entered promiscuous mode [ 298.596509] bridge0: port 2(bridge_slave_1) entered blocking state [ 298.603168] bridge0: port 2(bridge_slave_1) entered disabled state [ 298.611937] device bridge_slave_1 entered promiscuous mode [ 298.651449] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 298.663307] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 298.695974] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 298.704901] team0: Port device team_slave_0 added [ 298.711503] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 298.720458] team0: Port device team_slave_1 added [ 298.727766] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 298.736573] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 298.916497] device hsr_slave_0 entered promiscuous mode [ 299.073215] device hsr_slave_1 entered promiscuous mode [ 299.223546] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 299.231323] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 299.264959] bridge0: port 2(bridge_slave_1) entered blocking state [ 299.271572] bridge0: port 2(bridge_slave_1) entered forwarding state [ 299.278892] bridge0: port 1(bridge_slave_0) entered blocking state [ 299.285522] bridge0: port 1(bridge_slave_0) entered forwarding state [ 299.391284] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 299.398620] 8021q: adding VLAN 0 to HW filter on device bond0 [ 299.413277] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 299.427549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 299.438435] bridge0: port 1(bridge_slave_0) entered disabled state [ 299.448994] bridge0: port 2(bridge_slave_1) entered disabled state [ 299.459381] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 299.480183] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 299.486531] 8021q: adding VLAN 0 to HW filter on device team0 [ 299.504483] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 299.511885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 299.520704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 299.529265] bridge0: port 1(bridge_slave_0) entered blocking state [ 299.535837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 299.553151] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 299.569421] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 299.579588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 299.588728] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 299.597171] bridge0: port 2(bridge_slave_1) entered blocking state [ 299.603712] bridge0: port 2(bridge_slave_1) entered forwarding state [ 299.611601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 299.625969] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 299.633385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 299.653065] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 299.660181] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 299.670304] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 299.691162] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 299.700204] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 299.708776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 299.718002] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 299.736389] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 299.751449] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 299.759953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 299.769023] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 299.777861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 299.786960] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 299.803655] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 299.809752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 299.836809] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 299.865658] 8021q: adding VLAN 0 to HW filter on device batadv0 23:47:39 executing program 0: r0 = socket$kcm(0x11, 0x3, 0x0) sendmsg$kcm(r0, &(0x7f0000000100)={&(0x7f0000000040)=@nfc={0x27, 0x3}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000200)="c10900000000000001021fe4ac141417e0", 0x11}], 0x1}, 0x0) [ 300.236872] ================================================================== [ 300.244368] BUG: KMSAN: uninit-value in nf_nat_setup_info+0x700/0x3b00 [ 300.251096] CPU: 1 PID: 10998 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #9 [ 300.258204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.267569] Call Trace: [ 300.270261] dump_stack+0x173/0x1d0 [ 300.273952] kmsan_report+0x12e/0x2a0 [ 300.277791] __msan_warning+0x82/0xf0 [ 300.281621] nf_nat_setup_info+0x700/0x3b00 [ 300.286016] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.291235] nf_nat_inet_fn+0x106c/0x11f0 [ 300.295457] ? cpu_partial_store+0x60/0x270 [ 300.299867] nf_nat_ipv4_local_fn+0x2bf/0x870 [ 300.304407] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.309619] ? nf_nat_ipv4_out+0x790/0x790 [ 300.313918] nf_hook_slow+0x176/0x3d0 [ 300.317794] __ip_local_out+0x6dc/0x800 [ 300.321810] ? __ip_local_out+0x800/0x800 [ 300.325985] ip_local_out+0xa4/0x1d0 [ 300.329750] iptunnel_xmit+0x8a7/0xde0 [ 300.333709] ip_tunnel_xmit+0x35b9/0x3980 [ 300.337932] ipgre_xmit+0x1098/0x11c0 [ 300.341775] ? ipgre_close+0x230/0x230 [ 300.345742] dev_hard_start_xmit+0x604/0xc40 [ 300.350217] __dev_queue_xmit+0x2e48/0x3b80 [ 300.354620] dev_queue_xmit+0x4b/0x60 [ 300.358443] ? __netdev_pick_tx+0x1260/0x1260 [ 300.363066] packet_sendmsg+0x79bb/0x9760 [ 300.367281] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 300.372773] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.377987] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 300.383519] ___sys_sendmsg+0xdb9/0x11b0 [ 300.387621] ? compat_packet_setsockopt+0x360/0x360 [ 300.392672] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.397888] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 300.403281] ? __fget_light+0x6e1/0x750 [ 300.407343] __se_sys_sendmsg+0x305/0x460 [ 300.411563] __x64_sys_sendmsg+0x4a/0x70 [ 300.415657] do_syscall_64+0xbc/0xf0 [ 300.419454] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 300.424674] RIP: 0033:0x457e39 [ 300.427916] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 300.446833] RSP: 002b:00007f72e29e9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 300.454560] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 [ 300.461851] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 300.469133] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 300.476416] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72e29ea6d4 [ 300.483698] R13: 00000000004c538e R14: 00000000004d90c8 R15: 00000000ffffffff [ 300.491024] [ 300.492668] Uninit was created at: [ 300.496220] No stack [ 300.498774] ================================================================== [ 300.506133] Disabling lock debugging due to kernel taint [ 300.511584] Kernel panic - not syncing: panic_on_warn set ... [ 300.517485] CPU: 1 PID: 10998 Comm: syz-executor0 Tainted: G B 5.0.0-rc1+ #9 [ 300.525981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.535345] Call Trace: [ 300.537962] dump_stack+0x173/0x1d0 [ 300.541615] panic+0x3d1/0xb01 [ 300.544872] kmsan_report+0x293/0x2a0 [ 300.548702] __msan_warning+0x82/0xf0 [ 300.552535] nf_nat_setup_info+0x700/0x3b00 [ 300.556928] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.562148] nf_nat_inet_fn+0x106c/0x11f0 [ 300.566368] ? cpu_partial_store+0x60/0x270 [ 300.570729] nf_nat_ipv4_local_fn+0x2bf/0x870 [ 300.575277] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.580508] ? nf_nat_ipv4_out+0x790/0x790 [ 300.584770] nf_hook_slow+0x176/0x3d0 [ 300.588611] __ip_local_out+0x6dc/0x800 [ 300.592623] ? __ip_local_out+0x800/0x800 [ 300.596819] ip_local_out+0xa4/0x1d0 [ 300.600574] iptunnel_xmit+0x8a7/0xde0 [ 300.604541] ip_tunnel_xmit+0x35b9/0x3980 [ 300.608815] ipgre_xmit+0x1098/0x11c0 [ 300.612652] ? ipgre_close+0x230/0x230 [ 300.616561] dev_hard_start_xmit+0x604/0xc40 [ 300.621023] __dev_queue_xmit+0x2e48/0x3b80 [ 300.625414] dev_queue_xmit+0x4b/0x60 [ 300.629231] ? __netdev_pick_tx+0x1260/0x1260 [ 300.634286] packet_sendmsg+0x79bb/0x9760 [ 300.638482] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 300.643959] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.649179] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 300.654633] ___sys_sendmsg+0xdb9/0x11b0 [ 300.658729] ? compat_packet_setsockopt+0x360/0x360 [ 300.663787] ? kmsan_get_shadow_origin_ptr+0x60/0x440 [ 300.669000] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 300.674385] ? __fget_light+0x6e1/0x750 [ 300.678409] __se_sys_sendmsg+0x305/0x460 [ 300.682609] __x64_sys_sendmsg+0x4a/0x70 [ 300.686689] do_syscall_64+0xbc/0xf0 [ 300.690443] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 300.695648] RIP: 0033:0x457e39 [ 300.698852] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 300.717765] RSP: 002b:00007f72e29e9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 300.725488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 [ 300.732768] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 300.740044] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 300.747322] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f72e29ea6d4 [ 300.754599] R13: 00000000004c538e R14: 00000000004d90c8 R15: 00000000ffffffff [ 300.762931] Kernel Offset: disabled [ 300.766558] Rebooting in 86400 seconds..