[ 46.640121][ T26] audit: type=1800 audit(1555608549.182:31): pid=7886 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 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 mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 51.541966][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 51.541981][ T26] audit: type=1400 audit(1555608554.152:35): avc: denied { map } for pid=8063 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.170' (ECDSA) to the list of known hosts. [ 832.498927][ T26] audit: type=1400 audit(1555609335.102:36): avc: denied { map } for pid=8075 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/04/18 17:42:16 parsed 1 programs [ 833.460355][ T26] audit: type=1400 audit(1555609336.062:37): avc: denied { map } for pid=8075 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=15393 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/04/18 17:42:18 executed programs: 0 [ 835.517060][ T8089] IPVS: ftp: loaded support on port[0] = 21 [ 835.580561][ T8089] chnl_net:caif_netlink_parms(): no params data found [ 835.614364][ T8089] bridge0: port 1(bridge_slave_0) entered blocking state [ 835.622418][ T8089] bridge0: port 1(bridge_slave_0) entered disabled state [ 835.630596][ T8089] device bridge_slave_0 entered promiscuous mode [ 835.639327][ T8089] bridge0: port 2(bridge_slave_1) entered blocking state [ 835.646550][ T8089] bridge0: port 2(bridge_slave_1) entered disabled state [ 835.654227][ T8089] device bridge_slave_1 entered promiscuous mode [ 835.670057][ T8089] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 835.680225][ T8089] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 835.698909][ T8089] team0: Port device team_slave_0 added [ 835.706365][ T8089] team0: Port device team_slave_1 added [ 835.772881][ T8089] device hsr_slave_0 entered promiscuous mode [ 835.821490][ T8089] device hsr_slave_1 entered promiscuous mode [ 835.904112][ T8089] bridge0: port 2(bridge_slave_1) entered blocking state [ 835.911383][ T8089] bridge0: port 2(bridge_slave_1) entered forwarding state [ 835.919142][ T8089] bridge0: port 1(bridge_slave_0) entered blocking state [ 835.926335][ T8089] bridge0: port 1(bridge_slave_0) entered forwarding state [ 835.960565][ T8089] 8021q: adding VLAN 0 to HW filter on device bond0 [ 835.982834][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 835.993834][ T8091] bridge0: port 1(bridge_slave_0) entered disabled state [ 836.002669][ T8091] bridge0: port 2(bridge_slave_1) entered disabled state [ 836.011858][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 836.023954][ T8089] 8021q: adding VLAN 0 to HW filter on device team0 [ 836.034849][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 836.043220][ T2851] bridge0: port 1(bridge_slave_0) entered blocking state [ 836.050279][ T2851] bridge0: port 1(bridge_slave_0) entered forwarding state [ 836.072718][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 836.081682][ T8091] bridge0: port 2(bridge_slave_1) entered blocking state [ 836.088813][ T8091] bridge0: port 2(bridge_slave_1) entered forwarding state [ 836.097117][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 836.106599][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 836.115187][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 836.123475][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 836.133014][ T8091] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 836.143827][ T8089] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 836.161441][ T8089] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 836.173197][ T26] audit: type=1400 audit(1555609338.782:38): avc: denied { associate } for pid=8089 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2019/04/18 17:42:23 executed programs: 131 2019/04/18 17:42:28 executed programs: 287 2019/04/18 17:42:33 executed programs: 423 2019/04/18 17:42:38 executed programs: 581 2019/04/18 17:42:43 executed programs: 737 2019/04/18 17:42:48 executed programs: 898 2019/04/18 17:42:53 executed programs: 1060 2019/04/18 17:42:58 executed programs: 1227 2019/04/18 17:43:03 executed programs: 1382 2019/04/18 17:43:08 executed programs: 1546 2019/04/18 17:43:13 executed programs: 1706 2019/04/18 17:43:18 executed programs: 1879 2019/04/18 17:43:23 executed programs: 2029 2019/04/18 17:43:28 executed programs: 2182 2019/04/18 17:43:33 executed programs: 2350 2019/04/18 17:43:38 executed programs: 2509 2019/04/18 17:43:43 executed programs: 2669 2019/04/18 17:43:48 executed programs: 2832 [ 930.173260][T19907] kasan: CONFIG_KASAN_INLINE enabled [ 930.178806][T19907] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 930.189909][T19907] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 930.196854][T19907] CPU: 1 PID: 19907 Comm: syz-executor.0 Not tainted 5.1.0-rc5+ #73 [ 930.204837][T19907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 930.215005][T19907] RIP: 0010:fanotify_handle_event+0x7d0/0xc40 [ 930.221074][T19907] Code: ff ff 48 8b 18 48 8d 7b 68 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 47 04 00 00 48 8b 5b 68 48 8d 7b 3c 48 89 fa 48 c1 ea 03 <42> 0f b6 0c 3a 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 [ 930.240806][T19907] RSP: 0018:ffff88808e8e7b78 EFLAGS: 00010203 [ 930.246877][T19907] RAX: 1ffff11012b05edc RBX: 0000000000000000 RCX: ffffffff81c41e9e [ 930.254954][T19907] RDX: 0000000000000007 RSI: ffffffff81c41eab RDI: 000000000000003c [ 930.263127][T19907] RBP: ffff88808e8e7cc0 R08: ffff8880a888e700 R09: 0000000000000000 [ 930.271111][T19907] R10: ffff8880a888efd0 R11: ffff8880a888e700 R12: 0000000000000002 [ 930.279084][T19907] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 930.287140][T19907] FS: 00007fe79bcae700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 930.296060][T19907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 930.302638][T19907] CR2: 00007f74bf328000 CR3: 000000008ad23000 CR4: 00000000001406e0 [ 930.310694][T19907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 930.318682][T19907] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 930.326646][T19907] Call Trace: [ 930.329946][T19907] ? fanotify_alloc_event+0xd10/0xd10 [ 930.335392][T19907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 930.341704][T19907] ? iov_iter_init+0xee/0x220 [ 930.346432][T19907] fsnotify+0x725/0xbc0 [ 930.350600][T19907] ? fsnotify_first_mark+0x210/0x210 [ 930.355934][T19907] ? __vfs_write+0x95/0x110 [ 930.360470][T19907] vfs_write+0x4dc/0x580 [ 930.364830][T19907] ksys_write+0x14f/0x2d0 [ 930.369390][T19907] ? __ia32_sys_read+0xb0/0xb0 [ 930.374209][T19907] ? do_syscall_64+0x26/0x610 [ 930.378972][T19907] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 930.385043][T19907] ? do_syscall_64+0x26/0x610 [ 930.389725][T19907] __x64_sys_write+0x73/0xb0 [ 930.394321][T19907] do_syscall_64+0x103/0x610 [ 930.398914][T19907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 930.404804][T19907] RIP: 0033:0x458c29 [ 930.408705][T19907] 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 [ 930.428398][T19907] RSP: 002b:00007fe79bcadc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 930.436914][T19907] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 930.444886][T19907] RDX: 0000000000000007 RSI: 0000000020000080 RDI: 0000000000000005 [ 930.452860][T19907] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 930.460832][T19907] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe79bcae6d4 [ 930.468802][T19907] R13: 00000000004c8386 R14: 00000000004de8b8 R15: 00000000ffffffff [ 930.476797][T19907] Modules linked in: [ 930.482398][T19907] ---[ end trace 38d84980ff49e605 ]--- [ 930.487894][T19907] RIP: 0010:fanotify_handle_event+0x7d0/0xc40 [ 930.494393][T19907] Code: ff ff 48 8b 18 48 8d 7b 68 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 47 04 00 00 48 8b 5b 68 48 8d 7b 3c 48 89 fa 48 c1 ea 03 <42> 0f b6 0c 3a 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 [ 930.514457][T19907] RSP: 0018:ffff88808e8e7b78 EFLAGS: 00010203 [ 930.520585][T19907] RAX: 1ffff11012b05edc RBX: 0000000000000000 RCX: ffffffff81c41e9e [ 930.528925][T19907] RDX: 0000000000000007 RSI: ffffffff81c41eab RDI: 000000000000003c [ 930.537439][T19907] RBP: ffff88808e8e7cc0 R08: ffff8880a888e700 R09: 0000000000000000 [ 930.545639][T19907] R10: ffff8880a888efd0 R11: ffff8880a888e700 R12: 0000000000000002 [ 930.553879][T19907] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 930.562091][T19907] FS: 00007fe79bcae700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 930.571265][T19907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 930.577855][T19907] CR2: 00007f74bf328000 CR3: 000000008ad23000 CR4: 00000000001406e0 [ 930.586098][T19907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 930.594427][T19907] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 930.602684][T19907] Kernel panic - not syncing: Fatal exception [ 930.609334][T19907] Kernel Offset: disabled [ 930.613695][T19907] Rebooting in 86400 seconds..