[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[   61.159043][   T24] audit: type=1800 audit(1558657496.333:25): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[   61.182770][   T24] audit: type=1800 audit(1558657496.343:26): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[   61.223304][   T24] audit: type=1800 audit(1558657496.343:27): pid=8934 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[....] Starting periodic command scheduler: cron[?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 '10.128.0.27' (ECDSA) to the list of known hosts.
2019/05/24 00:39:34 parsed 1 programs
2019/05/24 00:39:36 executed programs: 0
syzkaller login: [  941.215489][ T9102] IPVS: ftp: loaded support on port[0] = 21
[  941.292744][ T9102] chnl_net:caif_netlink_parms(): no params data found
[  941.321995][ T9102] bridge0: port 1(bridge_slave_0) entered blocking state
[  941.329692][ T9102] bridge0: port 1(bridge_slave_0) entered disabled state
[  941.338729][ T9102] device bridge_slave_0 entered promiscuous mode
[  941.347298][ T9102] bridge0: port 2(bridge_slave_1) entered blocking state
[  941.354571][ T9102] bridge0: port 2(bridge_slave_1) entered disabled state
[  941.362403][ T9102] device bridge_slave_1 entered promiscuous mode
[  941.379723][ T9102] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  941.390073][ T9102] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  941.407837][ T9102] team0: Port device team_slave_0 added
[  941.415521][ T9102] team0: Port device team_slave_1 added
[  941.472160][ T9102] device hsr_slave_0 entered promiscuous mode
[  941.530469][ T9102] device hsr_slave_1 entered promiscuous mode
[  941.588376][ T9102] bridge0: port 2(bridge_slave_1) entered blocking state
[  941.595616][ T9102] bridge0: port 2(bridge_slave_1) entered forwarding state
[  941.603529][ T9102] bridge0: port 1(bridge_slave_0) entered blocking state
[  941.610614][ T9102] bridge0: port 1(bridge_slave_0) entered forwarding state
[  941.646348][ T9102] 8021q: adding VLAN 0 to HW filter on device bond0
[  941.658034][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  941.678755][   T22] bridge0: port 1(bridge_slave_0) entered disabled state
[  941.687353][   T22] bridge0: port 2(bridge_slave_1) entered disabled state
[  941.696307][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[  941.708067][ T9102] 8021q: adding VLAN 0 to HW filter on device team0
[  941.718616][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  941.727191][   T12] bridge0: port 1(bridge_slave_0) entered blocking state
[  941.734297][   T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[  941.750484][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  941.759430][   T22] bridge0: port 2(bridge_slave_1) entered blocking state
[  941.766573][   T22] bridge0: port 2(bridge_slave_1) entered forwarding state
[  941.777558][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  941.787719][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  941.804340][ T9102] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[  941.815807][ T9102] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[  941.831888][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  941.840928][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  941.849616][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  941.858332][   T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  941.876460][ T9102] 8021q: adding VLAN 0 to HW filter on device batadv0
2019/05/24 00:39:41 executed programs: 193
2019/05/24 00:39:46 executed programs: 416
2019/05/24 00:39:51 executed programs: 642
2019/05/24 00:39:56 executed programs: 862
2019/05/24 00:40:01 executed programs: 1083
2019/05/24 00:40:06 executed programs: 1299
2019/05/24 00:40:11 executed programs: 1520
2019/05/24 00:40:16 executed programs: 1741
2019/05/24 00:40:21 executed programs: 1959
2019/05/24 00:40:26 executed programs: 2165
2019/05/24 00:40:31 executed programs: 2381
2019/05/24 00:40:36 executed programs: 2597
2019/05/24 00:40:41 executed programs: 2815
2019/05/24 00:40:46 executed programs: 3033
2019/05/24 00:40:51 executed programs: 3255
2019/05/24 00:40:56 executed programs: 3472
2019/05/24 00:41:01 executed programs: 3689
2019/05/24 00:41:06 executed programs: 3906
2019/05/24 00:41:11 executed programs: 4128
2019/05/24 00:41:16 executed programs: 4354
2019/05/24 00:41:21 executed programs: 4574
2019/05/24 00:41:26 executed programs: 4795
2019/05/24 00:41:31 executed programs: 5018
2019/05/24 00:41:36 executed programs: 5234
2019/05/24 00:41:41 executed programs: 5448
2019/05/24 00:41:46 executed programs: 5662
2019/05/24 00:41:51 executed programs: 5876
2019/05/24 00:41:56 executed programs: 6091
2019/05/24 00:42:01 executed programs: 6306
2019/05/24 00:42:06 executed programs: 6519
2019/05/24 00:42:11 executed programs: 6726
2019/05/24 00:42:16 executed programs: 6937
2019/05/24 00:42:21 executed programs: 7148
2019/05/24 00:42:26 executed programs: 7362
2019/05/24 00:42:31 executed programs: 7577
2019/05/24 00:42:36 executed programs: 7786
2019/05/24 00:42:41 executed programs: 8000
2019/05/24 00:42:46 executed programs: 8213
2019/05/24 00:42:51 executed programs: 8430
2019/05/24 00:42:56 executed programs: 8649
2019/05/24 00:43:01 executed programs: 8862
2019/05/24 00:43:06 executed programs: 9073
2019/05/24 00:43:11 executed programs: 9286
2019/05/24 00:43:16 executed programs: 9499
2019/05/24 00:43:21 executed programs: 9717
[ 1169.520343][   T22] WARNING: CPU: 1 PID: 22 at kernel/bpf/core.c:855 bpf_jit_free+0x157/0x1b0
[ 1169.529224][   T22] Kernel panic - not syncing: panic_on_warn set ...
[ 1169.535824][   T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc1+ #5
[ 1169.543227][   T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1169.553318][   T22] Workqueue: events bpf_prog_free_deferred
[ 1169.560112][   T22] Call Trace:
[ 1169.563476][   T22]  dump_stack+0x172/0x1f0
[ 1169.567810][   T22]  ? bpf_jit_free+0x80/0x1b0
[ 1169.572470][   T22]  panic+0x2cb/0x744
[ 1169.576389][   T22]  ? __warn_printk+0xf3/0xf3
[ 1169.585961][   T22]  ? bpf_jit_free+0x157/0x1b0
[ 1169.593026][   T22]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 1169.599271][   T22]  ? __warn.cold+0x5/0x4d
[ 1169.603603][   T22]  ? __warn+0xe8/0x1d0
[ 1169.607668][   T22]  ? bpf_jit_free+0x157/0x1b0
[ 1169.612349][   T22]  __warn.cold+0x20/0x4d
[ 1169.616643][   T22]  ? kfree+0x170/0x220
[ 1169.620720][   T22]  ? bpf_jit_free+0x157/0x1b0
[ 1169.625399][   T22]  report_bug+0x263/0x2b0
[ 1169.629784][   T22]  do_error_trap+0x11b/0x200
[ 1169.634380][   T22]  do_invalid_op+0x37/0x50
[ 1169.639072][   T22]  ? bpf_jit_free+0x157/0x1b0
[ 1169.643767][   T22]  invalid_op+0x14/0x20
[ 1169.647925][   T22] RIP: 0010:bpf_jit_free+0x157/0x1b0
[ 1169.653208][   T22] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 5d 48 b8 00 02 00 00 00 00 ad de 48 39 43 70 0f 84 05 ff ff ff e8 99 b6 f4 ff <0f> 0b e9 f9 fe ff ff e8 dd 4e 2d 00 e9 d9 fe ff ff 48 89 7d e0 e8
[ 1169.672825][   T22] RSP: 0018:ffff8880a9a47cb0 EFLAGS: 00010293
[ 1169.678893][   T22] RAX: ffff8880a9a325c0 RBX: ffff888098dcb540 RCX: ffffffff817ae36d
[ 1169.686864][   T22] RDX: 0000000000000000 RSI: ffffffff817bedd7 RDI: ffff888098dcb5b0
[ 1169.694831][   T22] RBP: ffff8880a9a47cd0 R08: 1ffffffff14cc8a8 R09: fffffbfff14cc8a9
[ 1169.702799][   T22] R10: fffffbfff14cc8a8 R11: ffffffff8a664547 R12: ffffc90001925000
[ 1169.710771][   T22] R13: ffff888098dcb5a8 R14: ffff8880a99ddd00 R15: ffff8880ae934840
[ 1169.718888][   T22]  ? bpf_jit_uncharge_modmem+0x1d/0x30
[ 1169.724363][   T22]  ? bpf_jit_free+0x157/0x1b0
[ 1169.729047][   T22]  bpf_prog_free_deferred+0x27a/0x350
[ 1169.734473][   T22]  process_one_work+0x989/0x1790
[ 1169.739642][   T22]  ? pwq_dec_nr_in_flight+0x320/0x320
[ 1169.745059][   T22]  ? lock_acquire+0x16f/0x3f0
[ 1169.749763][   T22]  worker_thread+0x98/0xe40
[ 1169.754291][   T22]  ? trace_hardirqs_on+0x67/0x220
[ 1169.759366][   T22]  kthread+0x354/0x420
[ 1169.763443][   T22]  ? process_one_work+0x1790/0x1790
[ 1169.768638][   T22]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[ 1169.774879][   T22]  ret_from_fork+0x24/0x30
[ 1169.780481][   T22] Kernel Offset: disabled
[ 1169.784858][   T22] Rebooting in 86400 seconds..