[ 83.004256][ T26] audit: type=1400 audit(1574340110.970:37): avc: denied { watch } for pid=9514 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 83.048238][ T26] audit: type=1400 audit(1574340110.970:38): avc: denied { watch } for pid=9514 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c[ 83.286664][ T26] audit: type=1800 audit(1574340111.250:39): pid=9420 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 . [ 83.308821][ T26] audit: type=1800 audit(1574340111.250:40): pid=9420 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: [ 85.614176][ T26] audit: type=1400 audit(1574340113.580:41): avc: denied { map } for pid=9598 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 '10.128.10.50' (ECDSA) to the list of known hosts. [ 92.305608][ T26] audit: type=1400 audit(1574340120.270:42): avc: denied { map } for pid=9610 comm="syz-executor511" path="/root/syz-executor511169187" 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 [ 92.348984][ T9611] IPVS: ftp: loaded support on port[0] = 21 [ 92.379550][ T26] audit: type=1400 audit(1574340120.340:43): avc: denied { create } for pid=9611 comm="syz-executor511" 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 [ 92.405376][ T26] audit: type=1400 audit(1574340120.340:44): avc: denied { write } for pid=9611 comm="syz-executor511" 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 [ 92.430804][ T26] audit: type=1400 audit(1574340120.340:45): avc: denied { read } for pid=9611 comm="syz-executor511" 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 [ 92.495889][ T9611] chnl_net:caif_netlink_parms(): no params data found [ 92.527586][ T9611] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.535861][ T9611] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.545080][ T9611] device bridge_slave_0 entered promiscuous mode [ 92.554323][ T9611] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.561539][ T9611] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.569919][ T9611] device bridge_slave_1 entered promiscuous mode [ 92.589643][ T9611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.600653][ T9611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.621482][ T9611] team0: Port device team_slave_0 added [ 92.629821][ T9611] team0: Port device team_slave_1 added [ 92.676402][ T9611] device hsr_slave_0 entered promiscuous mode [ 92.723927][ T9611] device hsr_slave_1 entered promiscuous mode [ 92.900952][ T9611] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.908325][ T9611] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.916679][ T9611] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.923847][ T9611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.068838][ T9611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.111925][ T9635] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.135889][ T9635] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.168079][ T9635] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.196275][ T9635] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 93.231203][ T9611] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.284340][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.304482][ T2905] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.311715][ T2905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.376460][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.387977][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.395177][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.455725][ T9637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.474399][ T9637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.494555][ T9637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.509044][ T9611] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.555567][ T9611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.576848][ T9637] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.594304][ T9637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.630690][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.640020][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.666355][ T9611] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 94.996796][ C0] vcan0: j1939_tp_rxtimer: 0x00000000bd290875: rx timeout, send abort [ 95.006019][ C0] vcan0: j1939_xtp_rx_abort_one: 0x00000000bd290875: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. [ 95.020763][ C0] ------------[ cut here ]------------ [ 95.026324][ C0] WARNING: CPU: 0 PID: 9 at net/can/j1939/socket.c:180 j1939_sk_queue_activate_next+0x359/0x460 [ 95.036718][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 95.043895][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.4.0-rc8-syzkaller #0 [ 95.051944][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.062066][ C0] Call Trace: [ 95.065361][ C0] dump_stack+0x197/0x210 [ 95.069699][ C0] ? j1939_sk_queue_activate_next+0x280/0x460 [ 95.075749][ C0] panic+0x2e3/0x75c [ 95.079645][ C0] ? add_taint.cold+0x16/0x16 [ 95.084488][ C0] ? printk+0xba/0xed [ 95.088457][ C0] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 95.093896][ C0] ? __warn.cold+0x14/0x35 [ 95.098288][ C0] ? __warn+0xd9/0x1d0 [ 95.102353][ C0] ? j1939_sk_queue_activate_next+0x359/0x460 [ 95.108399][ C0] __warn.cold+0x2f/0x35 [ 95.112618][ C0] ? report_bug.cold+0x63/0xad [ 95.117384][ C0] ? j1939_sk_queue_activate_next+0x359/0x460 [ 95.123435][ C0] report_bug+0x289/0x300 [ 95.127760][ C0] do_error_trap+0x11b/0x200 [ 95.132415][ C0] do_invalid_op+0x37/0x50 [ 95.136809][ C0] ? j1939_sk_queue_activate_next+0x359/0x460 [ 95.142964][ C0] invalid_op+0x23/0x30 [ 95.147217][ C0] RIP: 0010:j1939_sk_queue_activate_next+0x359/0x460 [ 95.153902][ C0] Code: e8 1c 83 c0 0a 89 45 cc eb 9f 48 c7 c7 b4 aa c6 89 e8 3b 15 2f fb e9 6a fd ff ff e8 31 15 2f fb e9 19 fe ff ff e8 d7 a9 f3 fa <0f> 0b 48 8b 45 c0 48 8d b8 b0 00 00 00 48 89 f8 48 c1 e8 03 42 0f [ 95.173498][ C0] RSP: 0018:ffff8880a98af918 EFLAGS: 00010206 [ 95.179544][ C0] RAX: ffff8880a989e240 RBX: ffff8880971ab000 RCX: ffffffff867fac38 [ 95.187599][ C0] RDX: 0000000000000100 RSI: ffffffff867facd9 RDI: 0000000000000005 [ 95.195650][ C0] RBP: ffff8880a98af970 R08: ffff8880a989e240 R09: fffffbfff14f014d [ 95.203608][ C0] R10: fffffbfff14f014c R11: ffffffff8a780a67 R12: ffff8880971ab510 [ 95.211673][ C0] R13: ffff8880994f6800 R14: ffff8880971ab548 R15: dffffc0000000000 [ 95.219688][ C0] ? j1939_sk_queue_activate_next+0x2b8/0x460 [ 95.225752][ C0] ? j1939_sk_queue_activate_next+0x359/0x460 [ 95.231809][ C0] ? j1939_sk_queue_activate_next+0x359/0x460 [ 95.237874][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 95.243253][ C0] j1939_session_deactivate_activate_next+0x3d/0x50 [ 95.249838][ C0] j1939_xtp_rx_abort_one.cold+0x21a/0x35e [ 95.255632][ C0] ? j1939_ecu_get_by_addr_locked+0x63/0xf0 [ 95.261508][ C0] j1939_tp_recv+0x783/0x9b0 [ 95.266146][ C0] j1939_can_recv+0x502/0x610 [ 95.270823][ C0] can_rcv_filter+0x292/0x8e0 [ 95.275488][ C0] can_receive+0x2e7/0x530 [ 95.279888][ C0] can_rcv+0x133/0x1b0 [ 95.283938][ C0] ? can_receive+0x530/0x530 [ 95.288523][ C0] __netif_receive_skb_one_core+0x113/0x1a0 [ 95.294412][ C0] ? __netif_receive_skb_core+0x3450/0x3450 [ 95.300289][ C0] ? lock_acquire+0x190/0x410 [ 95.304948][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.311171][ C0] __netif_receive_skb+0x2c/0x1d0 [ 95.316180][ C0] process_backlog+0x206/0x750 [ 95.321008][ C0] ? net_rx_action+0x27b/0x1120 [ 95.325838][ C0] ? lockdep_hardirqs_on+0x19e/0x5e0 [ 95.331104][ C0] net_rx_action+0x508/0x1120 [ 95.335774][ C0] ? napi_busy_loop+0x970/0x970 [ 95.340609][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.346134][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 95.352095][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.358436][ C0] __do_softirq+0x262/0x98c [ 95.362935][ C0] ? takeover_tasklets+0x820/0x820 [ 95.368028][ C0] run_ksoftirqd+0x8e/0x110 [ 95.372512][ C0] smpboot_thread_fn+0x6a3/0xa40 [ 95.377470][ C0] ? smpboot_register_percpu_thread+0x390/0x390 [ 95.383702][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 95.389935][ C0] ? __kthread_parkme+0x108/0x1c0 [ 95.395052][ C0] ? __kasan_check_read+0x11/0x20 [ 95.400080][ C0] kthread+0x361/0x430 [ 95.404145][ C0] ? smpboot_register_percpu_thread+0x390/0x390 [ 95.410540][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 95.416284][ C0] ret_from_fork+0x24/0x30 [ 95.422753][ C0] Kernel Offset: disabled [ 95.427364][ C0] Rebooting in 86400 seconds..