[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok [39;[ 87.953678][ T26] audit: type=1800 audit(1563580108.453:33): pid=9868 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 49m8[?25h[?0c. [ 87.985862][ T26] audit: type=1800 audit(1563580108.453:34): pid=9868 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: [ 90.759465][ T26] audit: type=1400 audit(1563580111.253:35): avc: denied { map } for pid=10046 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 '10.128.0.102' (ECDSA) to the list of known hosts. executing program [ 97.467116][ T26] audit: type=1400 audit(1563580117.963:36): avc: denied { map } for pid=10058 comm="syz-executor760" path="/root/syz-executor760537714" 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 [ 97.471094][T10058] netlink: 4 bytes leftover after parsing attributes in process `syz-executor760'. [ 97.504151][T10058] kasan: CONFIG_KASAN_INLINE enabled [ 97.509478][T10058] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 97.517671][T10058] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 97.524606][T10058] CPU: 1 PID: 10058 Comm: syz-executor760 Not tainted 5.2.0+ #62 [ 97.532307][T10058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.542370][T10058] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 97.547727][T10058] 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 [ 97.571575][T10058] RSP: 0018:ffff88809adceeb8 EFLAGS: 00010246 [ 97.577951][T10058] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11013967dd0 [ 97.585905][T10058] RDX: 0000000000000000 RSI: 1ffff11013967dd7 RDI: 0000000000000282 [ 97.593859][T10058] RBP: ffff88809adcf060 R08: 0000000000000002 R09: ffff88809cb3ee88 [ 97.601813][T10058] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 97.609787][T10058] R13: ffff88809b69fb00 R14: ffff88809adcf8c0 R15: 0000000000000000 [ 97.617747][T10058] FS: 00005555572bf880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 97.626677][T10058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.633248][T10058] CR2: 0000000020000180 CR3: 000000007a89c000 CR4: 00000000001406e0 [ 97.641205][T10058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.649846][T10058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.657805][T10058] Call Trace: [ 97.661119][T10058] ? tc_lookup_action_n+0xd2/0x100 [ 97.666228][T10058] ? __add_metainfo+0x480/0x480 [ 97.671067][T10058] ? tc_lookup_action_n+0xd2/0x100 [ 97.676171][T10058] ? __kasan_check_read+0x11/0x20 [ 97.681191][T10058] ? lock_downgrade+0x920/0x920 [ 97.686052][T10058] ? __kasan_check_write+0x14/0x20 [ 97.691154][T10058] ? do_raw_read_unlock+0x3f/0x70 [ 97.696168][T10058] tcf_action_init_1+0x6f2/0xa80 [ 97.701099][T10058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.707325][T10058] ? tcf_action_dump_old+0x80/0x80 [ 97.712420][T10058] ? is_bpf_text_address+0xac/0x170 [ 97.717612][T10058] ? __kasan_check_read+0x11/0x20 [ 97.722639][T10058] ? __lock_acquire+0x8a2/0x4c30 [ 97.727599][T10058] tcf_action_init+0x241/0x360 [ 97.732343][T10058] ? tcf_action_init_1+0xa80/0xa80 [ 97.737441][T10058] ? lock_downgrade+0x920/0x920 [ 97.742283][T10058] ? mark_lock+0xc0/0x11e0 [ 97.746698][T10058] tcf_action_add+0xe8/0x370 [ 97.751274][T10058] ? tca_action_gd+0x1710/0x1710 [ 97.756197][T10058] ? mark_held_locks+0x93/0xf0 [ 97.760955][T10058] ? __nla_parse+0x43/0x60 [ 97.765359][T10058] tc_ctl_action+0x3b5/0x4bc [ 97.769930][T10058] ? tcf_action_add+0x370/0x370 [ 97.774770][T10058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.781006][T10058] ? tcf_action_add+0x370/0x370 [ 97.785842][T10058] rtnetlink_rcv_msg+0x463/0xb00 [ 97.790969][T10058] ? rtnetlink_put_metrics+0x580/0x580 [ 97.796413][T10058] ? lock_downgrade+0x920/0x920 [ 97.801246][T10058] ? netlink_deliver_tap+0x22d/0xbf0 [ 97.806515][T10058] ? find_held_lock+0x35/0x130 [ 97.811261][T10058] netlink_rcv_skb+0x177/0x450 [ 97.816031][T10058] ? rtnetlink_put_metrics+0x580/0x580 [ 97.821496][T10058] ? netlink_ack+0xb30/0xb30 [ 97.826094][T10058] ? __kasan_check_read+0x11/0x20 [ 97.831103][T10058] ? netlink_deliver_tap+0x254/0xbf0 [ 97.836377][T10058] rtnetlink_rcv+0x1d/0x30 [ 97.840803][T10058] netlink_unicast+0x531/0x710 [ 97.845579][T10058] ? netlink_attachskb+0x7c0/0x7c0 [ 97.850703][T10058] ? _copy_from_iter_full+0x25d/0x8a0 [ 97.856098][T10058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.862335][T10058] netlink_sendmsg+0x8a5/0xd60 [ 97.867099][T10058] ? netlink_unicast+0x710/0x710 [ 97.872025][T10058] ? tomoyo_socket_sendmsg+0x26/0x30 [ 97.877300][T10058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.883529][T10058] ? security_socket_sendmsg+0x8d/0xc0 [ 97.888983][T10058] ? netlink_unicast+0x710/0x710 [ 97.893909][T10058] sock_sendmsg+0xd7/0x130 [ 97.898308][T10058] ___sys_sendmsg+0x803/0x920 [ 97.902967][T10058] ? copy_msghdr_from_user+0x440/0x440 [ 97.908412][T10058] ? prep_transhuge_page+0xa0/0xa0 [ 97.913510][T10058] ? percpu_counter_add_batch+0x13c/0x190 [ 97.919227][T10058] ? __do_page_fault+0x56a/0xdd0 [ 97.924149][T10058] ? find_held_lock+0x35/0x130 [ 97.928906][T10058] ? __do_page_fault+0x56a/0xdd0 [ 97.933832][T10058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.940072][T10058] ? __fget_light+0x1a9/0x230 [ 97.944743][T10058] ? __fdget+0x1b/0x20 [ 97.948813][T10058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 97.955041][T10058] __sys_sendmsg+0x105/0x1d0 [ 97.959613][T10058] ? __sys_sendmsg_sock+0xd0/0xd0 [ 97.964620][T10058] ? down_read_non_owner+0x450/0x450 [ 97.969907][T10058] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 97.975346][T10058] ? do_syscall_64+0x26/0x6a0 [ 97.980005][T10058] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.986127][T10058] ? do_syscall_64+0x26/0x6a0 [ 97.990797][T10058] __x64_sys_sendmsg+0x78/0xb0 [ 97.995555][T10058] do_syscall_64+0xfd/0x6a0 [ 98.000049][T10058] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.005924][T10058] RIP: 0033:0x4401d9 [ 98.009797][T10058] 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 [ 98.029413][T10058] RSP: 002b:00007ffc7b7388e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.037814][T10058] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 98.045781][T10058] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 98.053832][T10058] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 98.070728][T10058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 98.078686][T10058] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 98.086685][T10058] Modules linked in: [ 98.091474][T10058] ---[ end trace b0c79bc4a5223f83 ]--- [ 98.097140][T10058] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 98.102497][T10058] 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 [ 98.122146][T10058] RSP: 0018:ffff88809adceeb8 EFLAGS: 00010246 [ 98.128242][T10058] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11013967dd0 [ 98.136254][T10058] RDX: 0000000000000000 RSI: 1ffff11013967dd7 RDI: 0000000000000282 [ 98.144266][T10058] RBP: ffff88809adcf060 R08: 0000000000000002 R09: ffff88809cb3ee88 [ 98.152254][T10058] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 98.160295][T10058] R13: ffff88809b69fb00 R14: ffff88809adcf8c0 R15: 0000000000000000 [ 98.168299][T10058] FS: 00005555572bf880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 98.178321][T10058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.184928][T10058] CR2: 0000000020000180 CR3: 000000007a89c000 CR4: 00000000001406e0 [ 98.193084][T10058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.201064][T10058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.209059][T10058] Kernel panic - not syncing: Fatal exception [ 98.216143][T10058] Kernel Offset: disabled [ 98.220472][T10058] Rebooting in 86400 seconds..