[ 67.699413][ T26] audit: type=1800 audit(1566952959.162:31): pid=10290 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 [ 67.739370][ T26] audit: type=1800 audit(1566952959.172:32): pid=10290 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 Warning: Permanently added '10.128.0.92' (ECDSA) to the list of known hosts. syzkaller login: [ 96.214752][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 96.214767][ T26] audit: type=1400 audit(1566952987.732:36): avc: denied { map } for pid=10479 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 2019/08/28 00:43:08 parsed 1 programs [ 97.182867][ T26] audit: type=1400 audit(1566952988.702:37): avc: denied { map } for pid=10479 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=3164 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/28 00:43:10 executed programs: 0 [ 98.624192][T10495] IPVS: ftp: loaded support on port[0] = 21 [ 98.675173][T10495] chnl_net:caif_netlink_parms(): no params data found [ 98.698118][T10495] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.705201][T10495] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.712938][T10495] device bridge_slave_0 entered promiscuous mode [ 98.720207][T10495] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.727305][T10495] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.734934][T10495] device bridge_slave_1 entered promiscuous mode [ 98.749459][T10495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.759630][T10495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.775244][T10495] team0: Port device team_slave_0 added [ 98.782439][T10495] team0: Port device team_slave_1 added [ 98.848271][T10495] device hsr_slave_0 entered promiscuous mode [ 98.896924][T10495] device hsr_slave_1 entered promiscuous mode [ 98.972295][T10495] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.979644][T10495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.987074][T10495] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.994129][T10495] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.020242][T10495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.030649][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.039085][ T3620] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.057010][ T3620] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.064613][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 99.075208][T10495] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.084226][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.092736][ T3010] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.099856][ T3010] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.117158][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.125431][ T3620] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.132486][ T3620] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.140625][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.148963][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.157503][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.165851][ T3620] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.175013][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.184683][T10495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.198885][T10495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.229117][ T26] audit: type=1400 audit(1566952990.752:38): avc: denied { associate } for pid=10495 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 [ 99.274468][ T26] audit: type=1400 audit(1566952990.792:39): avc: denied { map_create } for pid=10503 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 [ 99.298529][T10503] kasan: CONFIG_KASAN_INLINE enabled [ 99.303826][T10503] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 99.304224][ T26] audit: type=1400 audit(1566952990.792:40): avc: denied { map_read map_write } for pid=10503 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 [ 99.335991][T10503] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 99.336005][T10503] CPU: 1 PID: 10503 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #121 [ 99.336012][T10503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.336037][T10503] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 99.336050][T10503] Code: 0f 85 3f 08 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 2e 06 00 00 [ 99.336056][T10503] RSP: 0018:ffff888098fefb90 EFLAGS: 00010203 [ 99.336067][T10503] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 99.336074][T10503] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff8880a042ef00 [ 99.336081][T10503] RBP: ffff888098fefc48 R08: ffff88808a9e6580 R09: ffffed1014085d9a [ 99.336087][T10503] R10: ffffed1014085d99 R11: ffff8880a042eccb R12: ffff8880a042ec40 [ 99.336094][T10503] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 99.336103][T10503] FS: 00005555564fe940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 99.336110][T10503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.336116][T10503] CR2: 0000000001683be0 CR3: 000000008f5cb000 CR4: 00000000001406e0 [ 99.336125][T10503] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.336132][T10503] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.336141][T10503] Call Trace: [ 99.474678][T10503] ? trace_hardirqs_on+0x67/0x240 [ 99.479681][T10503] ? wait_on_pending_writer+0x420/0x420 [ 99.485202][T10503] ? __local_bh_enable_ip+0x15a/0x270 [ 99.490608][T10503] ? _raw_spin_unlock_bh+0x31/0x40 [ 99.495712][T10503] tls_sk_proto_close+0x35b/0x990 [ 99.500721][T10503] ? wait_on_pending_writer+0x420/0x420 [ 99.506240][T10503] ? wait_on_pending_writer+0x420/0x420 [ 99.511765][T10503] ? __local_bh_enable_ip+0x15a/0x270 [ 99.517113][T10503] ? _raw_spin_unlock_bh+0x31/0x40 [ 99.522203][T10503] ? wait_on_pending_writer+0x420/0x420 [ 99.528162][T10503] tcp_bpf_close+0x17c/0x390 [ 99.532744][T10503] inet_release+0xed/0x200 [ 99.537222][T10503] inet6_release+0x53/0x80 [ 99.541625][T10503] __sock_release+0xce/0x280 [ 99.546189][T10503] sock_close+0x1e/0x30 [ 99.550325][T10503] __fput+0x2ff/0x890 [ 99.554281][T10503] ? __sock_release+0x280/0x280 [ 99.559111][T10503] ____fput+0x16/0x20 [ 99.563074][T10503] task_work_run+0x145/0x1c0 [ 99.567642][T10503] exit_to_usermode_loop+0x316/0x380 [ 99.572905][T10503] do_syscall_64+0x5a9/0x6a0 [ 99.577477][T10503] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.583343][T10503] RIP: 0033:0x413540 [ 99.587214][T10503] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 4d 2d 66 00 00 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 [ 99.606805][T10503] RSP: 002b:00007fffed63ef98 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 99.615368][T10503] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413540 [ 99.623475][T10503] RDX: 0000001b33a20000 RSI: 0000000000000000 RDI: 0000000000000005 [ 99.631421][T10503] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 99.639366][T10503] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 99.647384][T10503] R13: 0000000000000003 R14: 0000000000761178 R15: ffffffffffffffff [ 99.655343][T10503] Modules linked in: [ 99.660402][T10503] ---[ end trace 41092f634a3efd4e ]--- [ 99.666025][T10503] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 99.672856][T10503] Code: 0f 85 3f 08 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 2e 06 00 00 [ 99.693354][T10503] RSP: 0018:ffff888098fefb90 EFLAGS: 00010203 [ 99.699942][T10503] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 99.708047][T10503] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff8880a042ef00 [ 99.716008][T10503] RBP: ffff888098fefc48 R08: ffff88808a9e6580 R09: ffffed1014085d9a [ 99.723989][T10503] R10: ffffed1014085d99 R11: ffff8880a042eccb R12: ffff8880a042ec40 [ 99.732160][T10503] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 99.740173][T10503] FS: 00005555564fe940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 99.749160][T10503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.755730][T10503] CR2: 00007f22abbe5000 CR3: 000000008f5cb000 CR4: 00000000001406f0 [ 99.763807][T10503] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.771781][T10503] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.779766][T10503] Kernel panic - not syncing: Fatal exception [ 99.787061][T10503] Kernel Offset: disabled [ 99.791388][T10503] Rebooting in 86400 seconds..