[....] 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..