[....] 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.
[   38.719642][   T26] audit: type=1800 audit(1557290857.117:33): pid=7535 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   42.964990][   T26] kauditd_printk_skb: 1 callbacks suppressed
[   42.965002][   T26] audit: type=1400 audit(1557290861.367:35): avc:  denied  { map } for  pid=7710 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 '10.128.1.59' (ECDSA) to the list of known hosts.
[  804.395577][   T26] audit: type=1400 audit(1557291622.797:36): avc:  denied  { map } for  pid=7722 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
2019/05/08 05:00:23 parsed 1 programs
[  805.397582][   T26] audit: type=1400 audit(1557291623.797:37): avc:  denied  { map } for  pid=7722 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=80 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1
2019/05/08 05:00:25 executed programs: 0
[  807.323870][ T7736] IPVS: ftp: loaded support on port[0] = 21
[  807.388986][ T7736] chnl_net:caif_netlink_parms(): no params data found
[  807.421435][ T7736] bridge0: port 1(bridge_slave_0) entered blocking state
[  807.428939][ T7736] bridge0: port 1(bridge_slave_0) entered disabled state
[  807.437126][ T7736] device bridge_slave_0 entered promiscuous mode
[  807.445138][ T7736] bridge0: port 2(bridge_slave_1) entered blocking state
[  807.452309][ T7736] bridge0: port 2(bridge_slave_1) entered disabled state
[  807.459826][ T7736] device bridge_slave_1 entered promiscuous mode
[  807.476951][ T7736] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  807.486681][ T7736] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  807.503973][ T7736] team0: Port device team_slave_0 added
[  807.510828][ T7736] team0: Port device team_slave_1 added
[  807.575256][ T7736] device hsr_slave_0 entered promiscuous mode
[  807.622208][ T7736] device hsr_slave_1 entered promiscuous mode
[  807.669338][ T7736] bridge0: port 2(bridge_slave_1) entered blocking state
[  807.679321][ T7736] bridge0: port 2(bridge_slave_1) entered forwarding state
[  807.687059][ T7736] bridge0: port 1(bridge_slave_0) entered blocking state
[  807.694117][ T7736] bridge0: port 1(bridge_slave_0) entered forwarding state
[  807.726591][ T7736] 8021q: adding VLAN 0 to HW filter on device bond0
[  807.739250][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  807.748822][   T12] bridge0: port 1(bridge_slave_0) entered disabled state
[  807.757129][   T12] bridge0: port 2(bridge_slave_1) entered disabled state
[  807.765961][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[  807.777464][ T7736] 8021q: adding VLAN 0 to HW filter on device team0
[  807.788044][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  807.796465][   T17] bridge0: port 1(bridge_slave_0) entered blocking state
[  807.803595][   T17] bridge0: port 1(bridge_slave_0) entered forwarding state
[  807.813387][ T7741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  807.821669][ T7741] bridge0: port 2(bridge_slave_1) entered blocking state
[  807.828781][ T7741] bridge0: port 2(bridge_slave_1) entered forwarding state
[  807.845378][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  807.854502][   T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  807.866113][ T7741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  807.879564][ T7736] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[  807.890134][ T7736] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[  807.903442][ T7741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  807.911756][ T7741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  807.920201][ T7741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  807.935954][ T7736] 8021q: adding VLAN 0 to HW filter on device batadv0
[  807.947655][   T26] audit: type=1400 audit(1557291626.347:38): avc:  denied  { associate } for  pid=7736 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
[  808.004069][   T26] audit: type=1400 audit(1557291626.407:39): avc:  denied  { prog_load } for  pid=7745 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
[  808.033320][   T26] audit: type=1400 audit(1557291626.437:40): avc:  denied  { prog_run } for  pid=7745 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
2019/05/08 05:00:30 executed programs: 208
2019/05/08 05:00:35 executed programs: 465
2019/05/08 05:00:40 executed programs: 716
2019/05/08 05:00:45 executed programs: 974
2019/05/08 05:00:50 executed programs: 1230
2019/05/08 05:00:55 executed programs: 1482
2019/05/08 05:01:00 executed programs: 1736
[  845.672761][ T7738] WARNING: CPU: 1 PID: 7738 at kernel/bpf/core.c:853 bpf_jit_free+0x157/0x1b0
[  845.681799][ T7738] Kernel panic - not syncing: panic_on_warn set ...
[  845.688124][ T3878] kobject: 'loop0' (000000004cbbb10b): kobject_uevent_env
[  845.688383][ T7738] CPU: 1 PID: 7738 Comm: kworker/1:2 Not tainted 5.1.0+ #2
[  845.695717][ T3878] kobject: 'loop0' (000000004cbbb10b): fill_kobj_path: path = '/devices/virtual/block/loop0'
[  845.702714][ T7738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  845.702735][ T7738] Workqueue: events bpf_prog_free_deferred
[  845.702743][ T7738] Call Trace:
[  845.702848][ T7738]  dump_stack+0x172/0x1f0
[  845.702867][ T7738]  ? bpf_jit_free+0xb0/0x1b0
[  845.741040][ T7738]  panic+0x2cb/0x65c
[  845.744920][ T7738]  ? __warn_printk+0xf3/0xf3
[  845.749495][ T7738]  ? bpf_jit_free+0x157/0x1b0
[  845.754171][ T7738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.760393][ T7738]  ? __warn.cold+0x5/0x45
[  845.764701][ T7738]  ? __warn+0xe8/0x1d0
[  845.768751][ T7738]  ? bpf_jit_free+0x157/0x1b0
[  845.773409][ T7738]  __warn.cold+0x20/0x45
[  845.777639][ T7738]  ? bpf_jit_free+0x157/0x1b0
[  845.782303][ T7738]  report_bug+0x263/0x2b0
[  845.786663][ T7738]  do_error_trap+0x11b/0x200
[  845.791238][ T7738]  do_invalid_op+0x37/0x50
[  845.795643][ T7738]  ? bpf_jit_free+0x157/0x1b0
[  845.800352][ T7738]  invalid_op+0x14/0x20
[  845.804490][ T7738] RIP: 0010:bpf_jit_free+0x157/0x1b0
[  845.809754][ T7738] 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 59 c9 f4 ff <0f> 0b e9 f9 fe ff ff e8 dd c6 2c 00 e9 d9 fe ff ff 48 89 7d e0 e8
[  845.829349][ T7738] RSP: 0018:ffff888097647cb8 EFLAGS: 00010293
[  845.835392][ T7738] RAX: ffff888098bbe640 RBX: ffff88808af55cc0 RCX: ffffffff817a9c3d
[  845.843363][ T7738] RDX: 0000000000000000 RSI: ffffffff817baba7 RDI: ffff88808af55d30
[  845.851316][ T7738] RBP: ffff888097647cd8 R08: 1ffffffff1487a88 R09: fffffbfff1487a89
[  845.859281][ T7738] R10: fffffbfff1487a88 R11: ffffffff8a43d447 R12: ffffc90001937000
[  845.867245][ T7738] R13: ffff88808af55d28 R14: ffff8880a673ce00 R15: ffff8880ae934840
[  845.875204][ T7738]  ? bpf_jit_uncharge_modmem+0x1d/0x30
[  845.880677][ T7738]  ? bpf_jit_free+0x157/0x1b0
[  845.885340][ T7738]  ? bpf_jit_free+0x157/0x1b0
[  845.889999][ T7738]  bpf_prog_free_deferred+0x25f/0x340
[  845.895390][ T7738]  process_one_work+0x98e/0x1790
[  845.900328][ T7738]  ? pwq_dec_nr_in_flight+0x320/0x320
[  845.905694][ T7738]  ? lock_acquire+0x16f/0x3f0
[  845.910363][ T7738]  worker_thread+0x98/0xe40
[  845.914854][ T7738]  ? trace_hardirqs_on+0x67/0x230
[  845.919881][ T7738]  kthread+0x357/0x430
[  845.923931][ T7738]  ? process_one_work+0x1790/0x1790
[  845.929108][ T7738]  ? kthread_cancel_delayed_work_sync+0x20/0x20
[  845.935331][ T7738]  ret_from_fork+0x3a/0x50
[  845.941110][ T7738] Kernel Offset: disabled
[  845.945499][ T7738] Rebooting in 86400 seconds..