[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 63.451253][ T28] audit: type=1800 audit(1576340117.443:25): pid=8923 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 63.481977][ T28] audit: type=1800 audit(1576340117.453:26): pid=8923 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 63.526931][ T28] audit: type=1800 audit(1576340117.463:27): pid=8923 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 '10.128.0.210' (ECDSA) to the list of known hosts. 2019/12/14 16:15:31 parsed 1 programs 2019/12/14 16:15:34 executed programs: 0 syzkaller login: [ 80.734195][ T9092] IPVS: ftp: loaded support on port[0] = 21 [ 80.798068][ T9092] chnl_net:caif_netlink_parms(): no params data found [ 80.827817][ T9092] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.835790][ T9092] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.844023][ T9092] device bridge_slave_0 entered promiscuous mode [ 80.852493][ T9092] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.859628][ T9092] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.867559][ T9092] device bridge_slave_1 entered promiscuous mode [ 80.885178][ T9092] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.896100][ T9092] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.916725][ T9092] team0: Port device team_slave_0 added [ 80.923880][ T9092] team0: Port device team_slave_1 added [ 81.003646][ T9092] device hsr_slave_0 entered promiscuous mode [ 81.072309][ T9092] device hsr_slave_1 entered promiscuous mode [ 81.136704][ T9092] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.194040][ T9092] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.254542][ T9092] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.314527][ T9092] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.361770][ T9092] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.369037][ T9092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.377124][ T9092] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.384471][ T9092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.418963][ T9092] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.433722][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.455278][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.474988][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.483273][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.496148][ T9092] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.506362][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.515856][ T2729] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.523111][ T2729] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.534317][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.543228][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.550288][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.573229][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.583032][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.591363][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.602187][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.610703][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.622706][ T9092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.637961][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.647318][ T2729] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.659243][ T9092] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.768731][ T9099] syz-executor.0 uses obsolete (PF_INET,SOCK_PACKET) [ 81.938259][ T9104] ------------[ cut here ]------------ [ 81.943898][ T9104] WARNING: CPU: 0 PID: 9104 at mm/memory.c:2229 wp_page_copy+0x10b7/0x1560 [ 81.952560][ T9104] Kernel panic - not syncing: panic_on_warn set ... [ 81.959146][ T9104] CPU: 0 PID: 9104 Comm: syz-executor.0 Not tainted 5.5.0-rc1-syzkaller #0 [ 81.967866][ T9104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.978008][ T9104] Call Trace: [ 81.981304][ T9104] dump_stack+0x197/0x210 [ 81.985641][ T9104] ? wp_page_copy+0x10a0/0x1560 [ 81.990488][ T9104] panic+0x2e3/0x75c [ 81.994395][ T9104] ? add_taint.cold+0x16/0x16 [ 81.999352][ T9104] ? printk+0xba/0xed [ 82.003345][ T9104] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 82.008843][ T9104] ? __warn.cold+0x14/0x3e [ 82.013258][ T9104] ? __warn+0xd9/0x1cf [ 82.017328][ T9104] ? wp_page_copy+0x10b7/0x1560 [ 82.022176][ T9104] __warn.cold+0x2f/0x3e [ 82.026426][ T9104] ? report_bug.cold+0x63/0xb2 [ 82.031222][ T9104] ? wp_page_copy+0x10b7/0x1560 [ 82.036066][ T9104] report_bug+0x289/0x300 [ 82.040444][ T9104] do_error_trap+0x11b/0x200 [ 82.045038][ T9104] do_invalid_op+0x37/0x50 [ 82.049447][ T9104] ? wp_page_copy+0x10b7/0x1560 [ 82.054293][ T9104] invalid_op+0x23/0x30 [ 82.058443][ T9104] RIP: 0010:wp_page_copy+0x10b7/0x1560 [ 82.063891][ T9104] Code: 4c 89 f7 ba 00 10 00 00 48 81 e6 00 f0 ff ff e8 0f e6 22 06 31 ff 41 89 c7 89 c6 e8 23 03 d3 ff 45 85 ff 74 0f e8 99 01 d3 ff <0f> 0b 4c 89 f7 e8 3f d8 22 06 e8 8a 01 d3 ff 65 4c 8b 34 25 c0 1e [ 82.083596][ T9104] RSP: 0018:ffffc90002267668 EFLAGS: 00010293 [ 82.089652][ T9104] RAX: ffff8880a04c6140 RBX: ffffc90002267918 RCX: ffffffff81a22a0d [ 82.097646][ T9104] RDX: 0000000000000000 RSI: ffffffff81a22a17 RDI: 0000000000000005 [ 82.105612][ T9104] RBP: ffffc900022677a8 R08: ffff8880a04c6140 R09: 0000000000000000 [ 82.113578][ T9104] R10: ffffed101125cfff R11: ffff8880892e7fff R12: ffff88809e403108 [ 82.121783][ T9104] R13: ffffea000224b9c0 R14: ffff8880892e7000 R15: 0000000000001000 [ 82.129780][ T9104] ? wp_page_copy+0x10ad/0x1560 [ 82.134671][ T9104] ? wp_page_copy+0x10b7/0x1560 [ 82.139526][ T9104] ? wp_page_copy+0x10b7/0x1560 [ 82.144380][ T9104] ? find_held_lock+0x35/0x130 [ 82.149231][ T9104] ? follow_pfn+0x2a0/0x2a0 [ 82.153793][ T9104] ? lock_downgrade+0x920/0x920 [ 82.158637][ T9104] ? vm_normal_page+0x15d/0x3c0 [ 82.163510][ T9104] ? __pte_alloc_kernel+0x210/0x210 [ 82.168708][ T9104] ? do_raw_spin_unlock+0x178/0x270 [ 82.173918][ T9104] do_wp_page+0x543/0x1540 [ 82.178329][ T9104] ? do_raw_spin_lock+0x12a/0x2e0 [ 82.183344][ T9104] ? lock_acquire+0x190/0x410 [ 82.188018][ T9104] ? finish_mkwrite_fault+0x5c0/0x5c0 [ 82.193416][ T9104] ? fault_around_bytes_set+0xa0/0xa0 [ 82.198785][ T9104] __handle_mm_fault+0x327b/0x3da0 [ 82.203940][ T9104] ? vm_iomap_memory+0x1a0/0x1a0 [ 82.208995][ T9104] ? handle_mm_fault+0x292/0xa50 [ 82.214167][ T9104] ? handle_mm_fault+0x7a0/0xa50 [ 82.219232][ T9104] ? __kasan_check_read+0x11/0x20 [ 82.224258][ T9104] handle_mm_fault+0x3b2/0xa50 [ 82.229212][ T9104] __do_page_fault+0x536/0xd80 [ 82.234277][ T9104] do_page_fault+0x38/0x590 [ 82.238807][ T9104] page_fault+0x39/0x40 [ 82.243013][ T9104] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 82.249546][ T9104] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 82.269376][ T9104] RSP: 0018:ffffc90002267bb8 EFLAGS: 00010206 [ 82.275513][ T9104] RAX: 0000000000000001 RBX: 0000000000000018 RCX: 0000000000000003 [ 82.283808][ T9104] RDX: 0000000000000000 RSI: ffffc90002267c58 RDI: 0000000020001300 [ 82.292133][ T9104] RBP: ffffc90002267bf0 R08: 0000000000000000 R09: fffff5200044cf8e [ 82.300326][ T9104] R10: fffff5200044cf8d R11: ffffc90002267c6f R12: 0000000020001300 [ 82.308403][ T9104] R13: ffffc90002267c58 R14: 0000000020001318 R15: 00007ffffffff000 [ 82.316614][ T9104] ? _copy_to_user+0x146/0x160 [ 82.321382][ T9104] xsk_getsockopt+0x575/0x6c0 [ 82.326063][ T9104] ? xsk_destruct_skb+0x3e0/0x3e0 [ 82.331132][ T9104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.337788][ T9104] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 82.343487][ T9104] ? aa_sk_perm+0x346/0xaf0 [ 82.348104][ T9104] ? __fget+0x37f/0x550 [ 82.352260][ T9104] ? aa_af_perm+0x2a0/0x2a0 [ 82.356929][ T9104] ? ksys_dup3+0x3e0/0x3e0 [ 82.361571][ T9104] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 82.367267][ T9104] ? apparmor_socket_getsockopt+0x22/0x30 [ 82.373130][ T9104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.379629][ T9104] ? security_socket_getsockopt+0x8d/0xc0 [ 82.385357][ T9104] __sys_getsockopt+0x16d/0x310 [ 82.390207][ T9104] ? kernel_accept+0x310/0x310 [ 82.395155][ T9104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.400733][ T9104] ? do_syscall_64+0x26/0x790 [ 82.405415][ T9104] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.411573][ T9104] ? do_syscall_64+0x26/0x790 [ 82.416266][ T9104] __x64_sys_getsockopt+0xbe/0x150 [ 82.421381][ T9104] do_syscall_64+0xfa/0x790 [ 82.425891][ T9104] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.431792][ T9104] RIP: 0033:0x45a909 [ 82.435683][ T9104] Code: ad b6 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.455948][ T9104] RSP: 002b:00007f0ec9e9ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 82.464415][ T9104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a909 [ 82.472380][ T9104] RDX: 0000000000000007 RSI: 000000000000011b RDI: 000000000000000a [ 82.480443][ T9104] RBP: 000000000075bf20 R08: 0000000020000100 R09: 0000000000000000 [ 82.488856][ T9104] R10: 0000000020001300 R11: 0000000000000246 R12: 00007f0ec9e9f6d4 [ 82.496925][ T9104] R13: 00000000004c1ab5 R14: 00000000004d5f60 R15: 00000000ffffffff [ 82.506724][ T9104] Kernel Offset: disabled [ 82.511178][ T9104] Rebooting in 86400 seconds..