[ 70.392513][ T26] audit: type=1800 audit(1567127657.466:31): pid=10230 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 [ 70.530093][ T26] audit: type=1800 audit(1567127657.646:32): pid=10230 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 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 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. syzkaller login: [ 78.915243][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 78.915257][ T26] audit: type=1400 audit(1567127666.026:36): avc: denied { map } for pid=10420 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/08/30 01:14:27 parsed 1 programs [ 79.935318][ T26] audit: type=1400 audit(1567127667.046:37): avc: denied { map } for pid=10420 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16362 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/30 01:14:28 executed programs: 0 [ 81.847406][T10435] IPVS: ftp: loaded support on port[0] = 21 [ 81.894635][T10435] chnl_net:caif_netlink_parms(): no params data found [ 81.918968][T10435] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.926170][T10435] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.933663][T10435] device bridge_slave_0 entered promiscuous mode [ 81.941002][T10435] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.948135][T10435] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.955620][T10435] device bridge_slave_1 entered promiscuous mode [ 81.969579][T10435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.979825][T10435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.995276][T10435] team0: Port device team_slave_0 added [ 82.002232][T10435] team0: Port device team_slave_1 added [ 82.057503][T10435] device hsr_slave_0 entered promiscuous mode [ 82.096076][T10435] device hsr_slave_1 entered promiscuous mode [ 82.171088][T10435] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.178298][T10435] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.185567][T10435] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.192659][T10435] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.218361][T10435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.229214][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.247572][ T3024] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.255099][ T3024] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.262900][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.273198][T10435] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.282337][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.291057][ T3516] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.298131][ T3516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.317426][T10439] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.326462][T10439] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.333532][T10439] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.341420][T10439] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.351425][T10439] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.359744][T10439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.367913][T10439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.376747][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.385280][T10435] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.400115][T10435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.428109][ T26] audit: type=1400 audit(1567127669.546:38): avc: denied { associate } for pid=10435 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 [ 82.470887][ T26] audit: type=1400 audit(1567127669.586:39): avc: denied { map_create } for pid=10445 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 [ 82.495449][ T26] audit: type=1400 audit(1567127669.586:40): avc: denied { map_read map_write } for pid=10445 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 [ 82.521129][T10445] kasan: CONFIG_KASAN_INLINE enabled [ 82.528284][T10445] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 82.536778][T10445] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 82.543759][T10445] CPU: 1 PID: 10445 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #121 [ 82.551816][T10445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.561865][T10445] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 82.567566][T10445] 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 [ 82.587153][T10445] RSP: 0018:ffff8880a785fb90 EFLAGS: 00010203 [ 82.593219][T10445] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 82.601166][T10445] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff88808bfa6f40 [ 82.609122][T10445] RBP: ffff8880a785fc48 R08: ffff88808d910340 R09: ffffed10117f4da2 [ 82.617074][T10445] R10: ffffed10117f4da1 R11: ffff88808bfa6d0b R12: ffff88808bfa6c80 [ 82.625021][T10445] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 82.632985][T10445] FS: 0000555555c97940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 82.641895][T10445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.648579][T10445] CR2: 0000000000000000 CR3: 00000000a0d90000 CR4: 00000000001406e0 [ 82.656530][T10445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.664475][T10445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.672418][T10445] Call Trace: [ 82.675707][T10445] ? trace_hardirqs_on+0x67/0x240 [ 82.680722][T10445] ? wait_on_pending_writer+0x420/0x420 [ 82.686260][T10445] ? __local_bh_enable_ip+0x15a/0x270 [ 82.691654][T10445] ? _raw_spin_unlock_bh+0x31/0x40 [ 82.696743][T10445] tls_sk_proto_close+0x35b/0x990 [ 82.701746][T10445] ? wait_on_pending_writer+0x420/0x420 [ 82.707306][T10445] ? wait_on_pending_writer+0x420/0x420 [ 82.712828][T10445] ? __local_bh_enable_ip+0x15a/0x270 [ 82.718183][T10445] ? _raw_spin_unlock_bh+0x31/0x40 [ 82.723270][T10445] ? wait_on_pending_writer+0x420/0x420 [ 82.728816][T10445] tcp_bpf_close+0x17c/0x390 [ 82.733384][T10445] inet_release+0xed/0x200 [ 82.737787][T10445] inet6_release+0x53/0x80 [ 82.742178][T10445] __sock_release+0xce/0x280 [ 82.746742][T10445] sock_close+0x1e/0x30 [ 82.750873][T10445] __fput+0x2ff/0x890 [ 82.754831][T10445] ? __sock_release+0x280/0x280 [ 82.759768][T10445] ____fput+0x16/0x20 [ 82.763733][T10445] task_work_run+0x145/0x1c0 [ 82.768308][T10445] exit_to_usermode_loop+0x316/0x380 [ 82.773572][T10445] do_syscall_64+0x5a9/0x6a0 [ 82.778143][T10445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.784014][T10445] RIP: 0033:0x413561 [ 82.787885][T10445] 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 [ 82.807483][T10445] RSP: 002b:00007fffaea86f90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 82.815887][T10445] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 82.823862][T10445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 82.831819][T10445] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 82.839773][T10445] R10: 00007fffaea87070 R11: 0000000000000293 R12: 000000000075bfc8 [ 82.847725][T10445] R13: 000000000001424d R14: 00000000007612f8 R15: ffffffffffffffff [ 82.855684][T10445] Modules linked in: [ 82.860842][T10445] ---[ end trace 85db438c62e51351 ]--- [ 82.866607][T10445] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 82.872571][T10445] 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 [ 82.892548][T10445] RSP: 0018:ffff8880a785fb90 EFLAGS: 00010203 [ 82.899020][T10445] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 82.907077][T10445] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff88808bfa6f40 [ 82.915072][T10445] RBP: ffff8880a785fc48 R08: ffff88808d910340 R09: ffffed10117f4da2 [ 82.923653][T10445] R10: ffffed10117f4da1 R11: ffff88808bfa6d0b R12: ffff88808bfa6c80 [ 82.931682][T10445] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 82.939778][T10445] FS: 0000555555c97940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 82.948824][T10445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.955399][T10445] CR2: 00007f5088eaa000 CR3: 00000000a0d90000 CR4: 00000000001406f0 [ 82.963580][T10445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.971596][T10445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.979596][T10445] Kernel panic - not syncing: Fatal exception [ 82.987002][T10445] Kernel Offset: disabled [ 82.991323][T10445] Rebooting in 86400 seconds..