Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 86.293387][ T26] audit: type=1800 audit(1563574667.527:33): pid=9562 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 [ 86.324709][ T26] audit: type=1800 audit(1563574667.527:34): pid=9562 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: [ 90.928880][ T26] audit: type=1400 audit(1563574672.157:35): avc: denied { map } for pid=9740 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 '10.128.0.228' (ECDSA) to the list of known hosts. executing program [ 97.533522][ T26] audit: type=1400 audit(1563574678.767:36): avc: denied { map } for pid=9752 comm="syz-executor399" path="/root/syz-executor399303300" 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 [ 97.537144][ T9752] netlink: 4 bytes leftover after parsing attributes in process `syz-executor399'. [ 97.571010][ T9752] kasan: CONFIG_KASAN_INLINE enabled [ 97.576328][ T9752] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 97.584790][ T9752] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 97.591812][ T9752] CPU: 1 PID: 9752 Comm: syz-executor399 Not tainted 5.2.0+ #62 [ 97.599414][ T9752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.609457][ T9752] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 97.614818][ T9752] 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 [ 97.634403][ T9752] RSP: 0018:ffff88809ce7eeb8 EFLAGS: 00010246 [ 97.640452][ T9752] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110126cd558 [ 97.648399][ T9752] RDX: 0000000000000000 RSI: 1ffff110126cd55f RDI: 0000000000000282 [ 97.656360][ T9752] RBP: ffff88809ce7f060 R08: 0000000000000002 R09: ffff88809366aac8 [ 97.664746][ T9752] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 97.672711][ T9752] R13: ffff88809b133680 R14: ffff88809ce7f8c0 R15: 0000000000000000 [ 97.680665][ T9752] FS: 00005555561da880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 97.689571][ T9752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.696129][ T9752] CR2: 0000000020000180 CR3: 0000000089873000 CR4: 00000000001406e0 [ 97.704077][ T9752] Call Trace: [ 97.707352][ T9752] ? tc_lookup_action_n+0xd2/0x100 [ 97.712445][ T9752] ? __add_metainfo+0x480/0x480 [ 97.717272][ T9752] ? tc_lookup_action_n+0xd2/0x100 [ 97.722360][ T9752] ? __kasan_check_read+0x11/0x20 [ 97.727362][ T9752] ? lock_downgrade+0x920/0x920 [ 97.732210][ T9752] ? __kasan_check_write+0x14/0x20 [ 97.737296][ T9752] ? do_raw_read_unlock+0x3f/0x70 [ 97.742297][ T9752] tcf_action_init_1+0x6f2/0xa80 [ 97.747304][ T9752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.753525][ T9752] ? tcf_action_dump_old+0x80/0x80 [ 97.758610][ T9752] ? is_bpf_text_address+0xac/0x170 [ 97.763789][ T9752] ? __kasan_check_read+0x11/0x20 [ 97.768787][ T9752] ? __lock_acquire+0x8a2/0x4c30 [ 97.773701][ T9752] tcf_action_init+0x241/0x360 [ 97.778457][ T9752] ? tcf_action_init_1+0xa80/0xa80 [ 97.783548][ T9752] ? lock_downgrade+0x920/0x920 [ 97.788395][ T9752] ? mark_lock+0xc0/0x11e0 [ 97.792791][ T9752] tcf_action_add+0xe8/0x370 [ 97.797356][ T9752] ? tca_action_gd+0x1710/0x1710 [ 97.802269][ T9752] ? mark_held_locks+0x93/0xf0 [ 97.807017][ T9752] ? __nla_parse+0x43/0x60 [ 97.811409][ T9752] tc_ctl_action+0x3b5/0x4bc [ 97.815976][ T9752] ? tcf_action_add+0x370/0x370 [ 97.820810][ T9752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.827129][ T9752] ? tcf_action_add+0x370/0x370 [ 97.831964][ T9752] rtnetlink_rcv_msg+0x463/0xb00 [ 97.836882][ T9752] ? rtnetlink_put_metrics+0x580/0x580 [ 97.842315][ T9752] ? lock_downgrade+0x920/0x920 [ 97.847143][ T9752] ? netlink_deliver_tap+0x22d/0xbf0 [ 97.852420][ T9752] ? find_held_lock+0x35/0x130 [ 97.857161][ T9752] netlink_rcv_skb+0x177/0x450 [ 97.861900][ T9752] ? rtnetlink_put_metrics+0x580/0x580 [ 97.867369][ T9752] ? netlink_ack+0xb30/0xb30 [ 97.871957][ T9752] ? __kasan_check_read+0x11/0x20 [ 97.877094][ T9752] ? netlink_deliver_tap+0x254/0xbf0 [ 97.882377][ T9752] rtnetlink_rcv+0x1d/0x30 [ 97.886770][ T9752] netlink_unicast+0x531/0x710 [ 97.891512][ T9752] ? netlink_attachskb+0x7c0/0x7c0 [ 97.896598][ T9752] ? _copy_from_iter_full+0x25d/0x8a0 [ 97.901948][ T9752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.908164][ T9752] netlink_sendmsg+0x8a5/0xd60 [ 97.912919][ T9752] ? netlink_unicast+0x710/0x710 [ 97.917833][ T9752] ? tomoyo_socket_sendmsg+0x26/0x30 [ 97.923101][ T9752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.929335][ T9752] ? security_socket_sendmsg+0x8d/0xc0 [ 97.934770][ T9752] ? netlink_unicast+0x710/0x710 [ 97.939685][ T9752] sock_sendmsg+0xd7/0x130 [ 97.944100][ T9752] ___sys_sendmsg+0x803/0x920 [ 97.948770][ T9752] ? copy_msghdr_from_user+0x440/0x440 [ 97.954211][ T9752] ? prep_transhuge_page+0xa0/0xa0 [ 97.959300][ T9752] ? percpu_counter_add_batch+0x13c/0x190 [ 97.965008][ T9752] ? __do_page_fault+0x56a/0xdd0 [ 97.969924][ T9752] ? find_held_lock+0x35/0x130 [ 97.974661][ T9752] ? __do_page_fault+0x56a/0xdd0 [ 97.979579][ T9752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.985793][ T9752] ? __fget_light+0x1a9/0x230 [ 97.990446][ T9752] ? __fdget+0x1b/0x20 [ 97.994492][ T9752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 98.000714][ T9752] __sys_sendmsg+0x105/0x1d0 [ 98.005285][ T9752] ? __sys_sendmsg_sock+0xd0/0xd0 [ 98.010284][ T9752] ? down_read_non_owner+0x450/0x450 [ 98.015551][ T9752] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 98.020989][ T9752] ? do_syscall_64+0x26/0x6a0 [ 98.025650][ T9752] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.031690][ T9752] ? do_syscall_64+0x26/0x6a0 [ 98.036349][ T9752] __x64_sys_sendmsg+0x78/0xb0 [ 98.041091][ T9752] do_syscall_64+0xfd/0x6a0 [ 98.045572][ T9752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.051441][ T9752] RIP: 0033:0x4401d9 [ 98.055313][ T9752] 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 [ 98.074913][ T9752] RSP: 002b:00007ffd688b27a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.083308][ T9752] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 98.091261][ T9752] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 98.099220][ T9752] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 98.107185][ T9752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 98.115136][ T9752] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 98.123106][ T9752] Modules linked in: [ 98.127702][ T9752] ---[ end trace 079793644a035ca0 ]--- [ 98.133192][ T9752] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 98.138540][ T9752] 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 [ 98.158177][ T9752] RSP: 0018:ffff88809ce7eeb8 EFLAGS: 00010246 [ 98.164269][ T9752] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110126cd558 [ 98.173603][ T9752] RDX: 0000000000000000 RSI: 1ffff110126cd55f RDI: 0000000000000282 [ 98.181621][ T9752] RBP: ffff88809ce7f060 R08: 0000000000000002 R09: ffff88809366aac8 [ 98.189620][ T9752] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 98.197606][ T9752] R13: ffff88809b133680 R14: ffff88809ce7f8c0 R15: 0000000000000000 [ 98.205710][ T9752] FS: 00005555561da880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 98.214666][ T9752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.221266][ T9752] CR2: 0000000020000180 CR3: 0000000089873000 CR4: 00000000001406e0 [ 98.229240][ T9752] Kernel panic - not syncing: Fatal exception [ 98.236208][ T9752] Kernel Offset: disabled [ 98.240529][ T9752] Rebooting in 86400 seconds..