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. [ 79.364085][ T26] kauditd_printk_skb: 6 callbacks suppressed [ 79.364098][ T26] audit: type=1800 audit(1563572232.372:33): pid=9894 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 [ 79.395813][ T26] audit: type=1800 audit(1563572232.372:34): pid=9894 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 83.266302][ T26] audit: type=1400 audit(1563572236.272:35): avc: denied { map } for pid=10070 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 '10.128.0.104' (ECDSA) to the list of known hosts. executing program [ 89.868618][ T26] audit: type=1400 audit(1563572242.872:36): avc: denied { map } for pid=10082 comm="syz-executor199" path="/root/syz-executor199998808" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 89.872099][T10082] netlink: 4 bytes leftover after parsing attributes in process `syz-executor199'. [ 89.906126][T10082] kasan: CONFIG_KASAN_INLINE enabled [ 89.911622][T10082] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 89.919970][T10082] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 89.926922][T10082] CPU: 0 PID: 10082 Comm: syz-executor199 Not tainted 5.2.0+ #62 [ 89.934750][T10082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.944890][T10082] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 89.950246][T10082] Code: 00 00 48 c7 c7 40 c2 da 88 e8 f0 8c a2 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c7 85 e8 fe ff ff 00 00 00 00 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e2 [ 89.969835][T10082] RSP: 0018:ffff8880963aeeb8 EFLAGS: 00010246 [ 89.975885][T10082] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11012b08d60 [ 89.983837][T10082] RDX: 0000000000000000 RSI: 1ffff11012b08d67 RDI: 0000000000000282 [ 89.991799][T10082] RBP: ffff8880963af060 R08: 0000000000000002 R09: ffff888095846b08 [ 89.999769][T10082] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 90.007742][T10082] R13: ffff888216390040 R14: ffff8880963af8c0 R15: 0000000000000000 [ 90.015874][T10082] FS: 000055555658c880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 90.025151][T10082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.032290][T10082] CR2: 0000000020000180 CR3: 000000007bd7e000 CR4: 00000000001406f0 [ 90.044371][T10082] Call Trace: [ 90.047671][T10082] ? tc_lookup_action_n+0xd2/0x100 [ 90.052782][T10082] ? __add_metainfo+0x480/0x480 [ 90.057771][T10082] ? tc_lookup_action_n+0xd2/0x100 [ 90.062898][T10082] ? __kasan_check_read+0x11/0x20 [ 90.068025][T10082] ? lock_downgrade+0x920/0x920 [ 90.073953][T10082] ? __kasan_check_write+0x14/0x20 [ 90.079045][T10082] ? do_raw_read_unlock+0x3f/0x70 [ 90.084068][T10082] tcf_action_init_1+0x6f2/0xa80 [ 90.088999][T10082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.095228][T10082] ? tcf_action_dump_old+0x80/0x80 [ 90.100336][T10082] ? is_bpf_text_address+0xac/0x170 [ 90.105518][T10082] ? __kasan_check_read+0x11/0x20 [ 90.110552][T10082] ? __lock_acquire+0x8a2/0x4c30 [ 90.115479][T10082] tcf_action_init+0x241/0x360 [ 90.120245][T10082] ? tcf_action_init_1+0xa80/0xa80 [ 90.125352][T10082] ? lock_downgrade+0x920/0x920 [ 90.130220][T10082] ? mark_lock+0xc0/0x11e0 [ 90.134625][T10082] tcf_action_add+0xe8/0x370 [ 90.139310][T10082] ? tca_action_gd+0x1710/0x1710 [ 90.144255][T10082] ? mark_held_locks+0x93/0xf0 [ 90.149016][T10082] ? __nla_parse+0x43/0x60 [ 90.153440][T10082] tc_ctl_action+0x3b5/0x4bc [ 90.158564][T10082] ? tcf_action_add+0x370/0x370 [ 90.163406][T10082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.169653][T10082] ? tcf_action_add+0x370/0x370 [ 90.174493][T10082] rtnetlink_rcv_msg+0x463/0xb00 [ 90.179423][T10082] ? rtnetlink_put_metrics+0x580/0x580 [ 90.184864][T10082] ? lock_downgrade+0x920/0x920 [ 90.189693][T10082] ? netlink_deliver_tap+0x22d/0xbf0 [ 90.194961][T10082] ? find_held_lock+0x35/0x130 [ 90.199753][T10082] netlink_rcv_skb+0x177/0x450 [ 90.204511][T10082] ? rtnetlink_put_metrics+0x580/0x580 [ 90.209951][T10082] ? netlink_ack+0xb30/0xb30 [ 90.214522][T10082] ? __kasan_check_read+0x11/0x20 [ 90.219536][T10082] ? netlink_deliver_tap+0x254/0xbf0 [ 90.225624][T10082] rtnetlink_rcv+0x1d/0x30 [ 90.230045][T10082] netlink_unicast+0x531/0x710 [ 90.234794][T10082] ? netlink_attachskb+0x7c0/0x7c0 [ 90.239887][T10082] ? _copy_from_iter_full+0x25d/0x8a0 [ 90.245244][T10082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.251476][T10082] netlink_sendmsg+0x8a5/0xd60 [ 90.256253][T10082] ? netlink_unicast+0x710/0x710 [ 90.261195][T10082] ? tomoyo_socket_sendmsg+0x26/0x30 [ 90.266463][T10082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.272693][T10082] ? security_socket_sendmsg+0x8d/0xc0 [ 90.278144][T10082] ? netlink_unicast+0x710/0x710 [ 90.283078][T10082] sock_sendmsg+0xd7/0x130 [ 90.287487][T10082] ___sys_sendmsg+0x803/0x920 [ 90.292146][T10082] ? copy_msghdr_from_user+0x440/0x440 [ 90.297607][T10082] ? prep_transhuge_page+0xa0/0xa0 [ 90.302710][T10082] ? percpu_counter_add_batch+0x13c/0x190 [ 90.308412][T10082] ? __do_page_fault+0x56a/0xdd0 [ 90.313330][T10082] ? find_held_lock+0x35/0x130 [ 90.318422][T10082] ? __do_page_fault+0x56a/0xdd0 [ 90.323359][T10082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.329669][T10082] ? __fget_light+0x1a9/0x230 [ 90.334332][T10082] ? __fdget+0x1b/0x20 [ 90.338388][T10082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.345948][T10082] __sys_sendmsg+0x105/0x1d0 [ 90.356931][T10082] ? __sys_sendmsg_sock+0xd0/0xd0 [ 90.361970][T10082] ? down_read_non_owner+0x450/0x450 [ 90.367358][T10082] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.372826][T10082] ? do_syscall_64+0x26/0x6a0 [ 90.377502][T10082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.383568][T10082] ? do_syscall_64+0x26/0x6a0 [ 90.388229][T10082] __x64_sys_sendmsg+0x78/0xb0 [ 90.392973][T10082] do_syscall_64+0xfd/0x6a0 [ 90.397461][T10082] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.403338][T10082] RIP: 0033:0x4401d9 [ 90.407215][T10082] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.426814][T10082] RSP: 002b:00007ffd471794d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.435315][T10082] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 90.450037][T10082] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 90.457995][T10082] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 90.465954][T10082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 90.473916][T10082] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 90.481906][T10082] Modules linked in: [ 90.486453][T10082] ---[ end trace 4acc0b5810b7aacc ]--- [ 90.492094][T10082] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 90.497930][T10082] Code: 00 00 48 c7 c7 40 c2 da 88 e8 f0 8c a2 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c7 85 e8 fe ff ff 00 00 00 00 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e2 [ 90.517598][T10082] RSP: 0018:ffff8880963aeeb8 EFLAGS: 00010246 [ 90.523783][T10082] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11012b08d60 [ 90.532012][T10082] RDX: 0000000000000000 RSI: 1ffff11012b08d67 RDI: 0000000000000282 [ 90.546888][T10082] RBP: ffff8880963af060 R08: 0000000000000002 R09: ffff888095846b08 [ 90.555338][T10082] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 90.563401][T10082] R13: ffff888216390040 R14: ffff8880963af8c0 R15: 0000000000000000 [ 90.571558][T10082] FS: 000055555658c880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 90.580598][T10082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.587240][T10082] CR2: 0000000020000180 CR3: 000000007bd7e000 CR4: 00000000001406f0 [ 90.595278][T10082] Kernel panic - not syncing: Fatal exception [ 90.602295][T10082] Kernel Offset: disabled [ 90.606642][T10082] Rebooting in 86400 seconds..