[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 59.796493][ T27] audit: type=1800 audit(1566959203.018:25): pid=8689 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 59.840091][ T27] audit: type=1800 audit(1566959203.018:26): pid=8689 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 59.875862][ T27] audit: type=1800 audit(1566959203.018:27): pid=8689 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2019/08/28 02:26:52 parsed 1 programs 2019/08/28 02:26:54 executed programs: 0 syzkaller login: [ 71.313266][ T8857] IPVS: ftp: loaded support on port[0] = 21 [ 71.377524][ T8857] chnl_net:caif_netlink_parms(): no params data found [ 71.406554][ T8857] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.414699][ T8857] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.422815][ T8857] device bridge_slave_0 entered promiscuous mode [ 71.432507][ T8857] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.439657][ T8857] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.447631][ T8857] device bridge_slave_1 entered promiscuous mode [ 71.465354][ T8857] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.476206][ T8857] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.495834][ T8857] team0: Port device team_slave_0 added [ 71.503259][ T8857] team0: Port device team_slave_1 added [ 71.572358][ T8857] device hsr_slave_0 entered promiscuous mode [ 71.610400][ T8857] device hsr_slave_1 entered promiscuous mode [ 71.688568][ T8857] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.696078][ T8857] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.704402][ T8857] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.711729][ T8857] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.745885][ T8857] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.761975][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.783467][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.793627][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.802995][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.815010][ T8857] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.825872][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.834691][ T2911] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.841964][ T2911] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.854263][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.863146][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.870620][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.889010][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.899064][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.914024][ T8857] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.926062][ T8857] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.939688][ T8859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.948519][ T8859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.957657][ T8859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.966536][ T8859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.983778][ T8857] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.063266][ T8866] kasan: CONFIG_KASAN_INLINE enabled [ 72.068730][ T8866] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 72.082343][ T8866] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 72.089523][ T8866] CPU: 0 PID: 8866 Comm: syz-executor.0 Not tainted 5.3.0-rc5+ #151 [ 72.097598][ T8866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.107794][ T8866] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 72.113773][ T8866] 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 [ 72.133995][ T8866] RSP: 0018:ffff8880a846fb90 EFLAGS: 00010203 [ 72.140139][ T8866] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 72.148281][ T8866] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff8880a6472f40 [ 72.156250][ T8866] RBP: ffff8880a846fc48 R08: ffff88808c198200 R09: fffffbfff14e9551 [ 72.164232][ T8866] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff8880a6472c80 [ 72.172497][ T8866] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 72.180726][ T8866] FS: 0000555556770940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.189748][ T8866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.197089][ T8866] CR2: 0000000000c10e80 CR3: 000000009e98d000 CR4: 00000000001406f0 [ 72.205289][ T8866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.213255][ T8866] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.221326][ T8866] Call Trace: [ 72.224607][ T8866] ? trace_hardirqs_on+0x67/0x240 [ 72.229759][ T8866] ? wait_on_pending_writer+0x420/0x420 [ 72.242643][ T8866] ? __local_bh_enable_ip+0x15a/0x270 [ 72.248010][ T8866] ? _raw_spin_unlock_bh+0x31/0x40 [ 72.253120][ T8866] tls_sk_proto_close+0x35b/0x990 [ 72.258142][ T8866] ? wait_on_pending_writer+0x420/0x420 [ 72.263688][ T8866] ? wait_on_pending_writer+0x420/0x420 [ 72.269378][ T8866] ? __local_bh_enable_ip+0x15a/0x270 [ 72.274841][ T8866] ? _raw_spin_unlock_bh+0x31/0x40 [ 72.280146][ T8866] ? wait_on_pending_writer+0x420/0x420 [ 72.285710][ T8866] tcp_bpf_close+0x17c/0x390 [ 72.290324][ T8866] inet_release+0xed/0x200 [ 72.294741][ T8866] inet6_release+0x53/0x80 [ 72.299195][ T8866] __sock_release+0xce/0x280 [ 72.303801][ T8866] sock_close+0x1e/0x30 [ 72.310042][ T8866] __fput+0x2ff/0x890 [ 72.314015][ T8866] ? __sock_release+0x280/0x280 [ 72.318992][ T8866] ____fput+0x16/0x20 [ 72.323516][ T8866] task_work_run+0x145/0x1c0 [ 72.328256][ T8866] exit_to_usermode_loop+0x316/0x380 [ 72.333649][ T8866] do_syscall_64+0x5a9/0x6a0 [ 72.338624][ T8866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.344562][ T8866] RIP: 0033:0x413540 [ 72.348465][ T8866] 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 [ 72.368323][ T8866] RSP: 002b:00007ffc9768a008 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 72.376877][ T8866] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000413540 [ 72.385042][ T8866] RDX: 0000001b2d420000 RSI: 0000000000000000 RDI: 0000000000000005 [ 72.393236][ T8866] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 72.401295][ T8866] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 72.409358][ T8866] R13: 0000000000000003 R14: 0000000000761178 R15: ffffffffffffffff [ 72.417324][ T8866] Modules linked in: [ 72.423969][ T8866] ---[ end trace 5bff48e86f132fbf ]--- [ 72.430140][ T8866] RIP: 0010:tls_sk_proto_close+0xe5/0x990 [ 72.436023][ T8866] 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 [ 72.457103][ T8866] RSP: 0018:ffff8880a846fb90 EFLAGS: 00010203 [ 72.463504][ T8866] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: ffffffff862df49b [ 72.471627][ T8866] RDX: 0000000000000002 RSI: ffffffff862df1f9 RDI: ffff8880a6472f40 [ 72.479708][ T8866] RBP: ffff8880a846fc48 R08: ffff88808c198200 R09: fffffbfff14e9551 [ 72.487957][ T8866] R10: fffffbfff14e9550 R11: ffffffff8a74aa87 R12: ffff8880a6472c80 [ 72.496251][ T8866] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 72.504632][ T8866] FS: 0000555556770940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 72.513596][ T8866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.520219][ T8866] CR2: 0000000000780000 CR3: 000000009e98d000 CR4: 00000000001406e0 [ 72.528174][ T8866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.536338][ T8866] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.544529][ T8866] Kernel panic - not syncing: Fatal exception [ 72.552691][ T8866] Kernel Offset: disabled [ 72.557023][ T8866] Rebooting in 86400 seconds..