Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 77.387987][ T26] audit: type=1800 audit(1563570975.359:33): pid=10124 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 [ 77.421617][ T26] audit: type=1800 audit(1563570975.369:34): pid=10124 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: [ 79.321908][ T26] audit: type=1400 audit(1563570977.299:35): avc: denied { map } for pid=10300 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 '10.128.0.85' (ECDSA) to the list of known hosts. executing program [ 85.960247][ T26] audit: type=1400 audit(1563570983.939:36): avc: denied { map } for pid=10312 comm="syz-executor233" path="/root/syz-executor233748346" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 85.963980][T10312] netlink: 4 bytes leftover after parsing attributes in process `syz-executor233'. [ 85.997539][T10312] kasan: CONFIG_KASAN_INLINE enabled [ 86.003240][T10312] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 86.011415][T10312] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 86.018375][T10312] CPU: 1 PID: 10312 Comm: syz-executor233 Not tainted 5.2.0+ #62 [ 86.026076][T10312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.036144][T10312] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 86.041526][T10312] 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 [ 86.061138][T10312] RSP: 0018:ffff888080d7eeb8 EFLAGS: 00010246 [ 86.067212][T10312] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1101271c5d8 [ 86.075180][T10312] RDX: 0000000000000000 RSI: 1ffff1101271c5df RDI: 0000000000000282 [ 86.083148][T10312] RBP: ffff888080d7f060 R08: 0000000000000002 R09: ffff8880938e2ec8 [ 86.091122][T10312] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 86.099086][T10312] R13: ffff88809bb46000 R14: ffff888080d7f8c0 R15: 0000000000000000 [ 86.107112][T10312] FS: 0000555555ee2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 86.116055][T10312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.122643][T10312] CR2: 0000000020000180 CR3: 00000000a05b8000 CR4: 00000000001406e0 [ 86.130602][T10312] Call Trace: [ 86.133900][T10312] ? tc_lookup_action_n+0xd2/0x100 [ 86.138999][T10312] ? __add_metainfo+0x480/0x480 [ 86.143865][T10312] ? tc_lookup_action_n+0xd2/0x100 [ 86.148963][T10312] ? __kasan_check_read+0x11/0x20 [ 86.153979][T10312] ? lock_downgrade+0x920/0x920 [ 86.158830][T10312] ? __kasan_check_write+0x14/0x20 [ 86.163930][T10312] ? do_raw_read_unlock+0x3f/0x70 [ 86.168943][T10312] tcf_action_init_1+0x6f2/0xa80 [ 86.173884][T10312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.180110][T10312] ? tcf_action_dump_old+0x80/0x80 [ 86.185213][T10312] ? is_bpf_text_address+0xac/0x170 [ 86.190408][T10312] ? __kasan_check_read+0x11/0x20 [ 86.195436][T10312] ? __lock_acquire+0x8a2/0x4c30 [ 86.200373][T10312] tcf_action_init+0x241/0x360 [ 86.205145][T10312] ? tcf_action_init_1+0xa80/0xa80 [ 86.210259][T10312] ? lock_downgrade+0x920/0x920 [ 86.215103][T10312] ? mark_lock+0xc0/0x11e0 [ 86.219537][T10312] tcf_action_add+0xe8/0x370 [ 86.224115][T10312] ? tca_action_gd+0x1710/0x1710 [ 86.229039][T10312] ? mark_held_locks+0x93/0xf0 [ 86.233807][T10312] ? __nla_parse+0x43/0x60 [ 86.238208][T10312] tc_ctl_action+0x3b5/0x4bc [ 86.242781][T10312] ? tcf_action_add+0x370/0x370 [ 86.247618][T10312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.253843][T10312] ? tcf_action_add+0x370/0x370 [ 86.258677][T10312] rtnetlink_rcv_msg+0x463/0xb00 [ 86.263599][T10312] ? rtnetlink_put_metrics+0x580/0x580 [ 86.269037][T10312] ? lock_downgrade+0x920/0x920 [ 86.273970][T10312] ? netlink_deliver_tap+0x22d/0xbf0 [ 86.279234][T10312] ? find_held_lock+0x35/0x130 [ 86.283977][T10312] netlink_rcv_skb+0x177/0x450 [ 86.288726][T10312] ? rtnetlink_put_metrics+0x580/0x580 [ 86.294194][T10312] ? netlink_ack+0xb30/0xb30 [ 86.298799][T10312] ? __kasan_check_read+0x11/0x20 [ 86.303920][T10312] ? netlink_deliver_tap+0x254/0xbf0 [ 86.309214][T10312] rtnetlink_rcv+0x1d/0x30 [ 86.313620][T10312] netlink_unicast+0x531/0x710 [ 86.318393][T10312] ? netlink_attachskb+0x7c0/0x7c0 [ 86.323497][T10312] ? _copy_from_iter_full+0x25d/0x8a0 [ 86.328893][T10312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.335142][T10312] netlink_sendmsg+0x8a5/0xd60 [ 86.339921][T10312] ? netlink_unicast+0x710/0x710 [ 86.344880][T10312] ? tomoyo_socket_sendmsg+0x26/0x30 [ 86.350192][T10312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.356447][T10312] ? security_socket_sendmsg+0x8d/0xc0 [ 86.361903][T10312] ? netlink_unicast+0x710/0x710 [ 86.366865][T10312] sock_sendmsg+0xd7/0x130 [ 86.371282][T10312] ___sys_sendmsg+0x803/0x920 [ 86.375960][T10312] ? copy_msghdr_from_user+0x440/0x440 [ 86.381423][T10312] ? prep_transhuge_page+0xa0/0xa0 [ 86.386553][T10312] ? percpu_counter_add_batch+0x13c/0x190 [ 86.392282][T10312] ? __do_page_fault+0x56a/0xdd0 [ 86.397220][T10312] ? find_held_lock+0x35/0x130 [ 86.401981][T10312] ? __do_page_fault+0x56a/0xdd0 [ 86.406920][T10312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.413169][T10312] ? __fget_light+0x1a9/0x230 [ 86.417865][T10312] ? __fdget+0x1b/0x20 [ 86.421939][T10312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.428195][T10312] __sys_sendmsg+0x105/0x1d0 [ 86.432785][T10312] ? __sys_sendmsg_sock+0xd0/0xd0 [ 86.437821][T10312] ? down_read_non_owner+0x450/0x450 [ 86.443207][T10312] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 86.448674][T10312] ? do_syscall_64+0x26/0x6a0 [ 86.453337][T10312] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.459392][T10312] ? do_syscall_64+0x26/0x6a0 [ 86.464062][T10312] __x64_sys_sendmsg+0x78/0xb0 [ 86.468827][T10312] do_syscall_64+0xfd/0x6a0 [ 86.473356][T10312] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.479238][T10312] RIP: 0033:0x4401d9 [ 86.483125][T10312] 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 [ 86.502826][T10312] RSP: 002b:00007ffedcef8018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 86.511263][T10312] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9 [ 86.519227][T10312] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 86.527191][T10312] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 86.535258][T10312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60 [ 86.543408][T10312] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000 [ 86.551393][T10312] Modules linked in: [ 86.556032][T10312] ---[ end trace 377149443670f8fb ]--- [ 86.562043][T10312] RIP: 0010:tcf_ife_init+0x25c/0x1850 [ 86.567438][T10312] 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 [ 86.587171][T10312] RSP: 0018:ffff888080d7eeb8 EFLAGS: 00010246 [ 86.593365][T10312] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1101271c5d8 [ 86.601428][T10312] RDX: 0000000000000000 RSI: 1ffff1101271c5df RDI: 0000000000000282 [ 86.609465][T10312] RBP: ffff888080d7f060 R08: 0000000000000002 R09: ffff8880938e2ec8 [ 86.617450][T10312] R10: fffffbfff134a0cf R11: ffffffff89a5067f R12: 0000000000000001 [ 86.625500][T10312] R13: ffff88809bb46000 R14: ffff888080d7f8c0 R15: 0000000000000000 [ 86.633615][T10312] FS: 0000555555ee2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 86.642724][T10312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.649408][T10312] CR2: 0000000020000180 CR3: 00000000a05b8000 CR4: 00000000001406e0 [ 86.657436][T10312] Kernel panic - not syncing: Fatal exception [ 86.664872][T10312] Kernel Offset: disabled [ 86.669210][T10312] Rebooting in 86400 seconds..