[ 75.126770][ T27] audit: type=1800 audit(1565406521.162:29): pid=10774 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 75.161025][ T27] audit: type=1800 audit(1565406521.162:30): pid=10774 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.229' (ECDSA) to the list of known hosts. syzkaller login: [ 83.747439][ T27] kauditd_printk_skb: 5 callbacks suppressed [ 83.747455][ T27] audit: type=1400 audit(1565406529.782:36): avc: denied { map } for pid=10962 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 2019/08/10 03:08:50 parsed 1 programs [ 84.776143][ T27] audit: type=1400 audit(1565406530.812:37): avc: denied { map } for pid=10962 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=370 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/10 03:08:51 executed programs: 0 [ 85.952868][T10977] IPVS: ftp: loaded support on port[0] = 21 [ 86.003310][T10977] chnl_net:caif_netlink_parms(): no params data found [ 86.026483][T10977] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.033591][T10977] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.041289][T10977] device bridge_slave_0 entered promiscuous mode [ 86.048759][T10977] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.056197][T10977] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.063713][T10977] device bridge_slave_1 entered promiscuous mode [ 86.080644][T10977] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.090768][T10977] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.108228][T10977] team0: Port device team_slave_0 added [ 86.114764][T10977] team0: Port device team_slave_1 added [ 86.176401][T10977] device hsr_slave_0 entered promiscuous mode [ 86.215030][T10977] device hsr_slave_1 entered promiscuous mode [ 86.271638][T10977] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.278758][T10977] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.286103][T10977] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.293144][T10977] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.320113][T10977] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.331334][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.349958][ T3013] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.357644][ T3013] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.365643][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 86.377383][T10977] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.387069][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 86.395613][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.402660][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 86.416504][ T3013] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 86.425575][ T3013] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.432621][ T3013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 86.450489][T10977] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 86.461153][T10977] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 86.472896][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 86.482069][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 86.490588][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 86.498937][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 86.507583][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 86.515372][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.530170][T10977] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.562195][ T27] audit: type=1400 audit(1565406532.592:38): avc: denied { associate } for pid=10977 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 [ 86.611229][ T27] audit: type=1400 audit(1565406532.642:39): avc: denied { map_create } for pid=10987 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 86.639736][ T27] audit: type=1400 audit(1565406532.642:40): avc: denied { map_read map_write } for pid=10987 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 89.026660][T11384] kasan: CONFIG_KASAN_INLINE enabled [ 89.032027][T11384] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 89.043711][T11384] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 89.050715][T11384] CPU: 0 PID: 11384 Comm: syz-executor.0 Not tainted 5.3.0-rc3+ #97 [ 89.058697][T11384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.068760][T11384] RIP: 0010:tls_sk_proto_close+0xe5/0x910 [ 89.074489][T11384] Code: 0f 85 8a 07 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 bf 05 00 00 [ 89.094173][T11384] RSP: 0018:ffff88808f157b90 EFLAGS: 00010203 [ 89.100232][T11384] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862c93e1 [ 89.108211][T11384] RDX: 0000000000000002 RSI: ffffffff862c9179 RDI: ffff888091b71200 [ 89.116175][T11384] RBP: ffff88808f157c48 R08: ffff8880a8884000 R09: ffffed101236e1fa [ 89.124226][T11384] R10: ffffed101236e1f9 R11: ffff888091b70fcb R12: ffff888091b70f40 [ 89.132189][T11384] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 89.140158][T11384] FS: 0000555556cd8940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 89.149080][T11384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.155648][T11384] CR2: 0000000000000000 CR3: 000000008a389000 CR4: 00000000001406f0 [ 89.163610][T11384] Call Trace: [ 89.166918][T11384] ? trace_hardirqs_on+0x67/0x240 [ 89.171941][T11384] ? wait_on_pending_writer+0x420/0x420 [ 89.177486][T11384] ? __local_bh_enable_ip+0x15a/0x270 [ 89.182906][T11384] ? _raw_spin_unlock_bh+0x31/0x40 [ 89.188005][T11384] tls_sk_proto_close+0x321/0x910 [ 89.193023][T11384] ? wait_on_pending_writer+0x420/0x420 [ 89.198683][T11384] ? wait_on_pending_writer+0x420/0x420 [ 89.204229][T11384] ? __local_bh_enable_ip+0x15a/0x270 [ 89.209591][T11384] ? _raw_spin_unlock_bh+0x31/0x40 [ 89.214709][T11384] ? wait_on_pending_writer+0x420/0x420 [ 89.220259][T11384] tcp_bpf_close+0x17c/0x390 [ 89.224840][T11384] inet_release+0xed/0x200 [ 89.229268][T11384] inet6_release+0x53/0x80 [ 89.233670][T11384] __sock_release+0xce/0x280 [ 89.238249][T11384] sock_close+0x1e/0x30 [ 89.242401][T11384] __fput+0x2ff/0x890 [ 89.246372][T11384] ? __sock_release+0x280/0x280 [ 89.251215][T11384] ____fput+0x16/0x20 [ 89.255183][T11384] task_work_run+0x145/0x1c0 [ 89.259782][T11384] exit_to_usermode_loop+0x316/0x380 [ 89.265052][T11384] do_syscall_64+0x5a9/0x6a0 [ 89.269656][T11384] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.275549][T11384] RIP: 0033:0x413511 [ 89.279427][T11384] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 89.299025][T11384] RSP: 002b:00007ffd05e0db80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 89.307445][T11384] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413511 [ 89.315405][T11384] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 89.323372][T11384] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 89.331338][T11384] R10: 00007ffd05e0dc60 R11: 0000000000000293 R12: 000000000075bfc8 [ 89.339305][T11384] R13: 0000000000015ba3 R14: 00000000007611f0 R15: ffffffffffffffff [ 89.347266][T11384] Modules linked in: [ 89.352658][T11384] ---[ end trace adcb8f7fae675680 ]--- [ 89.358592][T11384] RIP: 0010:tls_sk_proto_close+0xe5/0x910 [ 89.364311][T11384] Code: 0f 85 8a 07 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 85 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 bf 05 00 00 [ 89.384122][T11384] RSP: 0018:ffff88808f157b90 EFLAGS: 00010203 [ 89.390484][T11384] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862c93e1 [ 89.398634][T11384] RDX: 0000000000000002 RSI: ffffffff862c9179 RDI: ffff888091b71200 [ 89.406753][T11384] RBP: ffff88808f157c48 R08: ffff8880a8884000 R09: ffffed101236e1fa [ 89.414848][T11384] R10: ffffed101236e1f9 R11: ffff888091b70fcb R12: ffff888091b70f40 [ 89.422847][T11384] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 89.431001][T11384] FS: 0000555556cd8940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 89.440000][T11384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.446634][T11384] CR2: 00007faa67413000 CR3: 000000008a389000 CR4: 00000000001406e0 [ 89.454633][T11384] Kernel panic - not syncing: Fatal exception [ 89.461617][T11384] Kernel Offset: disabled [ 89.465949][T11384] Rebooting in 86400 seconds..