[ 77.903983][ T26] audit: type=1800 audit(1565432052.401:30): pid=10772 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 83.837465][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 83.837479][ T26] audit: type=1400 audit(1565432058.371:35): avc: denied { map } for pid=10946 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 '10.128.0.148' (ECDSA) to the list of known hosts. executing program [ 95.323773][ T26] audit: type=1400 audit(1565432069.851:36): avc: denied { map } for pid=10958 comm="syz-executor197" path="/root/syz-executor197992594" 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 [ 95.328562][T10958] Started in network mode [ 95.350912][ T26] audit: type=1400 audit(1565432069.851:37): avc: denied { create } for pid=10958 comm="syz-executor197" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 95.355269][T10958] Own node identity ff030000000000000000000000000001, cluster identity 4711 [ 95.355507][T10958] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor197/10958 [ 95.380861][ T26] audit: type=1400 audit(1565432069.851:38): avc: denied { write } for pid=10958 comm="syz-executor197" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 95.388952][T10958] caller is dst_cache_get+0x3d/0xb0 [ 95.388974][T10958] CPU: 0 PID: 10958 Comm: syz-executor197 Not tainted 5.3.0-rc3+ #97 [ 95.399199][ T26] audit: type=1400 audit(1565432069.851:39): avc: denied { read } for pid=10958 comm="syz-executor197" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 95.423125][T10958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.423130][T10958] Call Trace: [ 95.423151][T10958] dump_stack+0x172/0x1f0 [ 95.423169][T10958] debug_smp_processor_id.cold+0x87/0x9d [ 95.423182][T10958] dst_cache_get+0x3d/0xb0 [ 95.423198][T10958] tipc_udp_xmit.isra.0+0xc4/0xb80 [ 95.423219][T10958] ? tipc_udp_addr2str+0x170/0x170 [ 95.498719][T10958] ? lock_downgrade+0x920/0x920 [ 95.503546][T10958] ? memcpy+0x46/0x50 [ 95.507529][T10958] ? __copy_skb_header+0x2e8/0x550 [ 95.512620][T10958] ? bearer_get+0x16e/0x350 [ 95.517100][T10958] ? __kasan_check_read+0x11/0x20 [ 95.522203][T10958] ? mark_held_locks+0xf0/0xf0 [ 95.526943][T10958] ? lock_downgrade+0x920/0x920 [ 95.531770][T10958] tipc_udp_send_msg+0x3ea/0x490 [ 95.536688][T10958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.542910][T10958] tipc_bearer_xmit_skb+0x17e/0x370 [ 95.548086][T10958] tipc_enable_bearer+0xacf/0xd30 [ 95.553098][T10958] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 95.558973][T10958] ? tipc_bearer_xmit_skb+0x370/0x370 [ 95.564322][T10958] ? nla_memcpy+0xb0/0xb0 [ 95.568677][T10958] __tipc_nl_bearer_enable+0x2de/0x3a0 [ 95.574114][T10958] ? __tipc_nl_bearer_enable+0x2de/0x3a0 [ 95.579720][T10958] ? tipc_nl_bearer_disable+0x40/0x40 [ 95.585086][T10958] ? nla_memcpy+0xb0/0xb0 [ 95.589394][T10958] ? lock_acquire+0x190/0x410 [ 95.594045][T10958] tipc_nl_bearer_enable+0x23/0x40 [ 95.599133][T10958] genl_family_rcv_msg+0x74b/0xf90 [ 95.604220][T10958] ? genl_unregister_family+0x7b0/0x7b0 [ 95.609741][T10958] ? __alloc_skb+0x10b/0x5e0 [ 95.614304][T10958] ? netlink_sendmsg+0x972/0xd60 [ 95.619215][T10958] ? sock_sendmsg+0xd7/0x130 [ 95.623794][T10958] ? ___sys_sendmsg+0x803/0x920 [ 95.628654][T10958] ? __x64_sys_sendmsg+0x78/0xb0 [ 95.633571][T10958] ? __netlink_lookup+0x3fa/0x7b0 [ 95.638576][T10958] ? __kasan_check_read+0x11/0x20 [ 95.643577][T10958] genl_rcv_msg+0xca/0x170 [ 95.647968][T10958] netlink_rcv_skb+0x177/0x450 [ 95.652704][T10958] ? genl_family_rcv_msg+0xf90/0xf90 [ 95.657964][T10958] ? netlink_ack+0xb30/0xb30 [ 95.662527][T10958] ? __kasan_check_write+0x14/0x20 [ 95.667617][T10958] ? netlink_deliver_tap+0x254/0xbf0 [ 95.672878][T10958] genl_rcv+0x29/0x40 [ 95.676841][T10958] netlink_unicast+0x531/0x710 [ 95.681593][T10958] ? netlink_attachskb+0x7c0/0x7c0 [ 95.686687][T10958] ? _copy_from_iter_full+0x25d/0x8a0 [ 95.692168][T10958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.698385][T10958] netlink_sendmsg+0x8a5/0xd60 [ 95.703122][T10958] ? netlink_unicast+0x710/0x710 [ 95.708034][T10958] ? tomoyo_socket_sendmsg+0x26/0x30 [ 95.713411][T10958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.719667][T10958] ? security_socket_sendmsg+0x8d/0xc0 [ 95.725164][T10958] ? netlink_unicast+0x710/0x710 [ 95.730088][T10958] sock_sendmsg+0xd7/0x130 [ 95.734522][T10958] ___sys_sendmsg+0x803/0x920 [ 95.739180][T10958] ? copy_msghdr_from_user+0x440/0x440 [ 95.744618][T10958] ? __kasan_check_write+0x14/0x20 [ 95.749706][T10958] ? lock_downgrade+0x920/0x920 [ 95.754536][T10958] ? debug_object_active_state+0x105/0x350 [ 95.760389][T10958] ? trace_hardirqs_on+0x67/0x240 [ 95.765394][T10958] ? __kasan_check_read+0x11/0x20 [ 95.770395][T10958] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 95.776279][T10958] ? debug_object_active_state+0x28a/0x350 [ 95.782148][T10958] ? debug_object_deactivate+0x320/0x320 [ 95.787774][T10958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.793992][T10958] ? __fget_light+0x1a9/0x230 [ 95.798684][T10958] ? __fdget+0x1b/0x20 [ 95.802733][T10958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 95.808954][T10958] __sys_sendmsg+0x105/0x1d0 [ 95.813529][T10958] ? __sys_sendmsg_sock+0xd0/0xd0 [ 95.818557][T10958] ? task_work_run+0x63/0x1c0 [ 95.823218][T10958] ? switch_fpu_return+0x1fa/0x4f0 [ 95.828375][T10958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 95.834433][T10958] __x64_sys_sendmsg+0x78/0xb0 [ 95.839175][T10958] do_syscall_64+0xfd/0x6a0 [ 95.843661][T10958] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.849533][T10958] RIP: 0033:0x444359 [ 95.853469][T10958] 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 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.873128][T10958] RSP: 002b:00007ffd857bb548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 95.881522][T10958] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444359 [ 95.889513][T10958] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 95.897465][T10958] RBP: 00000000006ce018 R08: 0000000000000044 R09: 00000000004002e0 [ 95.905417][T10958] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000402000 [ 95.913361][T10958] R13: 0000000000402090 R14: 0000000000000000 R15: 0000000000000000 [ 95.921993][T10958] Enabled bearer