[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 73.603981][T10384] restorecond (10384) used greatest stack depth: 23704 bytes left [....] 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: [ 78.088013][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 78.088027][ T26] audit: type=1400 audit(1567079859.814:35): avc: denied { map } for pid=10475 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 '10.128.15.199' (ECDSA) to the list of known hosts. [ 84.297450][ T26] audit: type=1400 audit(1567079866.024:36): avc: denied { map } for pid=10487 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 2019/08/29 11:57:47 parsed 1 programs [ 85.410428][ T26] audit: type=1400 audit(1567079867.134:37): avc: denied { map } for pid=10487 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=41 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/29 11:57:48 executed programs: 0 [ 87.253887][T10502] IPVS: ftp: loaded support on port[0] = 21 [ 87.304967][T10502] chnl_net:caif_netlink_parms(): no params data found [ 87.329868][T10502] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.338365][T10502] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.346967][T10502] device bridge_slave_0 entered promiscuous mode [ 87.356551][T10502] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.364745][T10502] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.372923][T10502] device bridge_slave_1 entered promiscuous mode [ 87.387923][T10502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.399659][T10502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.418486][T10502] team0: Port device team_slave_0 added [ 87.426746][T10502] team0: Port device team_slave_1 added [ 87.484917][T10502] device hsr_slave_0 entered promiscuous mode [ 87.553235][T10502] device hsr_slave_1 entered promiscuous mode [ 87.638725][T10502] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.650509][T10502] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.660168][T10502] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.670370][T10502] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.699645][T10502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.713015][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.725221][ T3024] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.734857][ T3024] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.743899][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 87.768665][T10502] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.779526][ T3554] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.789758][ T3554] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.798987][ T3554] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.821187][T10502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 87.833821][T10502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 87.848329][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.860636][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.868133][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.876732][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.886240][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.896095][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.906058][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.921906][T10502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.930813][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.939107][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.959044][ T26] audit: type=1400 audit(1567079869.684:38): avc: denied { associate } for pid=10502 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 [ 88.005081][ T26] audit: type=1400 audit(1567079869.734:39): avc: denied { map_create } for pid=10510 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 [ 88.033456][ T26] audit: type=1400 audit(1567079869.734:40): avc: denied { map_read map_write } for pid=10510 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 [ 88.062933][T10510] kasan: CONFIG_KASAN_INLINE enabled [ 88.069091][T10510] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 88.078795][T10510] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 88.086744][T10510] CPU: 1 PID: 10510 Comm: syz-executor.0 Not tainted 5.3.0-rc6+ #121 [ 88.098766][T10510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.109972][T10510] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 88.117143][T10510] 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 [ 88.140182][T10510] RSP: 0018:ffff888093f57b90 EFLAGS: 00010203 [ 88.146966][T10510] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 88.155804][T10510] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff88808aa78f00 [ 88.164961][T10510] RBP: ffff888093f57c48 R08: ffff8880a47b8540 R09: ffffed101154f19a [ 88.173895][T10510] R10: ffffed101154f199 R11: ffff88808aa78ccb R12: ffff88808aa78c40 [ 88.182293][T10510] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 88.190645][T10510] FS: 0000555556088940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 88.200479][T10510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.207254][T10510] CR2: 00007f05edf74db8 CR3: 0000000096d13000 CR4: 00000000001406e0 [ 88.216080][T10510] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.225121][T10510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.234068][T10510] Call Trace: [ 88.237713][T10510] ? trace_hardirqs_on+0x67/0x240 [ 88.244598][T10510] ? wait_on_pending_writer+0x420/0x420 [ 88.250982][T10510] ? __local_bh_enable_ip+0x15a/0x270 [ 88.257585][T10510] ? _raw_spin_unlock_bh+0x31/0x40 [ 88.263284][T10510] tls_sk_proto_close+0x35b/0x990 [ 88.268956][T10510] ? wait_on_pending_writer+0x420/0x420 [ 88.274949][T10510] ? wait_on_pending_writer+0x420/0x420 [ 88.280947][T10510] ? __local_bh_enable_ip+0x15a/0x270 [ 88.286937][T10510] ? _raw_spin_unlock_bh+0x31/0x40 [ 88.292517][T10510] ? wait_on_pending_writer+0x420/0x420 [ 88.300424][T10510] tcp_bpf_close+0x17c/0x390 [ 88.305367][T10510] inet_release+0xed/0x200 [ 88.310152][T10510] inet6_release+0x53/0x80 [ 88.315397][T10510] __sock_release+0xce/0x280 [ 88.320003][T10510] sock_close+0x1e/0x30 [ 88.324246][T10510] __fput+0x2ff/0x890 [ 88.328975][T10510] ? __sock_release+0x280/0x280 [ 88.334465][T10510] ____fput+0x16/0x20 [ 88.339076][T10510] task_work_run+0x145/0x1c0 [ 88.344663][T10510] exit_to_usermode_loop+0x316/0x380 [ 88.350320][T10510] do_syscall_64+0x5a9/0x6a0 [ 88.355650][T10510] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.362265][T10510] RIP: 0033:0x413561 [ 88.366281][T10510] 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 [ 88.387395][T10510] RSP: 002b:00007ffe2d6fb690 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 88.398356][T10510] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413561 [ 88.407028][T10510] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000005 [ 88.418966][T10510] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff [ 88.428235][T10510] R10: 00007ffe2d6fb770 R11: 0000000000000293 R12: 000000000075bfc8 [ 88.438713][T10510] R13: 00000000000157d0 R14: 0000000000761430 R15: ffffffffffffffff [ 88.452533][T10510] Modules linked in: [ 88.460312][T10510] ---[ end trace 4381fbcbca78ee87 ]--- [ 88.466858][T10510] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 88.473198][T10510] 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 [ 88.501350][T10510] RSP: 0018:ffff888093f57b90 EFLAGS: 00010203 [ 88.510368][T10510] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862ca00b [ 88.519169][T10510] RDX: 0000000000000002 RSI: ffffffff862c9d69 RDI: ffff88808aa78f00 [ 88.536118][T10510] RBP: ffff888093f57c48 R08: ffff8880a47b8540 R09: ffffed101154f19a [ 88.546796][T10510] R10: ffffed101154f199 R11: ffff88808aa78ccb R12: ffff88808aa78c40 [ 88.556512][T10510] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 88.565670][T10510] FS: 0000555556088940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 88.575964][T10510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.583234][T10510] CR2: 00007f05edf74db8 CR3: 0000000096d13000 CR4: 00000000001406e0 [ 88.592300][T10510] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.602364][T10510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.611496][T10510] Kernel panic - not syncing: Fatal exception [ 88.619484][T10510] Kernel Offset: disabled [ 88.624029][T10510] Rebooting in 86400 seconds..