[ 78.671578][ T28] audit: type=1400 audit(1576719037.518:37): avc: denied { watch } for pid=9824 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16180 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 78.702753][ T28] audit: type=1400 audit(1576719037.518:38): avc: denied { watch } for pid=9824 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. [ 78.960875][ T28] audit: type=1800 audit(1576719037.808:39): pid=9729 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 [ 78.982580][ T28] audit: type=1800 audit(1576719037.818:40): pid=9729 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: [ 81.369761][ T28] audit: type=1400 audit(1576719040.218:41): avc: denied { map } for pid=9905 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 '10.128.10.16' (ECDSA) to the list of known hosts. [ 88.002345][ T28] audit: type=1400 audit(1576719046.848:42): avc: denied { map } for pid=9917 comm="syz-executor363" path="/root/syz-executor363526317" 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 [ 88.031708][ T9918] IPVS: ftp: loaded support on port[0] = 21 [ 88.060614][ T28] audit: type=1400 audit(1576719046.908:43): avc: denied { create } for pid=9918 comm="syz-executor363" 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 [ 88.086508][ T28] audit: type=1400 audit(1576719046.908:44): avc: denied { write } for pid=9918 comm="syz-executor363" 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 [ 88.111693][ T28] audit: type=1400 audit(1576719046.908:45): avc: denied { read } for pid=9918 comm="syz-executor363" 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 [ 88.170206][ T9918] chnl_net:caif_netlink_parms(): no params data found [ 88.199255][ T9918] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.206673][ T9918] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.215858][ T9918] device bridge_slave_0 entered promiscuous mode [ 88.223812][ T9918] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.230897][ T9918] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.239428][ T9918] device bridge_slave_1 entered promiscuous mode [ 88.257042][ T9918] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.267785][ T9918] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 88.287714][ T9918] team0: Port device team_slave_0 added [ 88.295573][ T9918] team0: Port device team_slave_1 added [ 88.376428][ T9918] device hsr_slave_0 entered promiscuous mode [ 88.423964][ T9918] device hsr_slave_1 entered promiscuous mode [ 88.488978][ T9918] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.536316][ T9918] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.576705][ T9918] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.635707][ T9918] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.704217][ T9918] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.711395][ T9918] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.719136][ T9918] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.726235][ T9918] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.762525][ T9918] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.778125][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.798286][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.816732][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.824823][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 88.836937][ T9918] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.846982][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 88.855354][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.862376][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.873014][ T3412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 88.881872][ T3412] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.888999][ T3412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.905525][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 88.922751][ T9918] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 88.934925][ T9918] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 88.947196][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 88.955668][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 88.964170][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 88.972635][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 88.981053][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 88.996180][ T9920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 89.003521][ T9920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 89.016719][ T9918] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program [ 89.030276][ T9922] device tunl0 entered promiscuous mode [ 89.041268][ T9923] device gre0 entered promiscuous mode [ 89.051496][ T9924] batman_adv: batadv0: Adding interface: gretap0 [ 89.058369][ T9924] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 89.085055][ T9924] batman_adv: batadv0: Interface activated: gretap0 [ 89.095280][ T9924] device gretap0 entered promiscuous mode [ 89.101382][ T9924] batman_adv: batadv0: Interface deactivated: gretap0 [ 89.108525][ T9924] batman_adv: batadv0: Removing interface: gretap0 executing program [ 89.208943][ T9925] batman_adv: batadv0: Adding interface: erspan0 [ 89.215965][ T9925] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 89.241389][ T9925] batman_adv: batadv0: Interface activated: erspan0 [ 89.250980][ T9925] device erspan0 entered promiscuous mode [ 89.257440][ T9925] batman_adv: batadv0: Interface deactivated: erspan0 [ 89.264466][ T9925] batman_adv: batadv0: Removing interface: erspan0 [ 89.293819][ C1] ------------[ cut here ]------------ [ 89.293825][ C1] DEBUG_LOCKS_WARN_ON(1) [ 89.293927][ C1] WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:167 mark_lock+0x22b/0x1220 [ 89.312704][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 89.319278][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc2-syzkaller #0 [ 89.327214][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.337251][ C1] Call Trace: [ 89.340515][ C1] [ 89.343354][ C1] dump_stack+0x197/0x210 [ 89.347797][ C1] ? mark_lock+0x1e0/0x1220 [ 89.352298][ C1] panic+0x2e3/0x75c [ 89.356215][ C1] ? add_taint.cold+0x16/0x16 [ 89.360878][ C1] ? __kasan_check_write+0x14/0x20 [ 89.365978][ C1] ? __warn.cold+0x14/0x3e [ 89.370436][ C1] ? __warn+0xd9/0x1cf [ 89.374494][ C1] ? mark_lock+0x22b/0x1220 [ 89.378982][ C1] __warn.cold+0x2f/0x3e [ 89.383221][ C1] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 89.389018][ C1] ? mark_lock+0x22b/0x1220 [ 89.393509][ C1] report_bug+0x289/0x300 [ 89.397826][ C1] do_error_trap+0x11b/0x200 [ 89.402603][ C1] do_invalid_op+0x37/0x50 [ 89.407007][ C1] ? mark_lock+0x22b/0x1220 [ 89.411504][ C1] invalid_op+0x23/0x30 [ 89.415649][ C1] RIP: 0010:mark_lock+0x22b/0x1220 [ 89.420817][ C1] Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d 1d 24 1f 09 45 85 db 75 b6 48 c7 c6 40 95 2b 88 48 c7 c7 80 95 2b 88 e8 14 3b eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 60 a5 63 8b e8 10 2c 58 00 e9 [ 89.440532][ C1] RSP: 0018:ffffc90000da8308 EFLAGS: 00010086 [ 89.446585][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 89.454707][ C1] RDX: 0000000000000100 RSI: ffffffff815e8906 RDI: fffff520001b5053 [ 89.462737][ C1] RBP: ffffc90000da8358 R08: ffff8880a9a08340 R09: fffffbfff1333569 [ 89.470693][ C1] R10: fffffbfff1333568 R11: ffffffff8999ab43 R12: 0000000000000004 [ 89.478683][ C1] R13: ffff8880a9a08cc8 R14: 0000000000000001 R15: 00000000000425fa [ 89.486652][ C1] ? vprintk_func+0x86/0x189 [ 89.491260][ C1] ? mark_lock+0x22b/0x1220 [ 89.495794][ C1] __lock_acquire+0x1e8e/0x4a00 [ 89.500631][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.506856][ C1] ? netif_skb_features+0x6c2/0xb90 [ 89.512041][ C1] ? mark_held_locks+0xf0/0xf0 [ 89.516867][ C1] ? mark_lock+0xc2/0x1220 [ 89.521355][ C1] lock_acquire+0x190/0x410 [ 89.525857][ C1] ? sch_direct_xmit+0x2e0/0xd30 [ 89.530914][ C1] _raw_spin_lock+0x2f/0x40 [ 89.535407][ C1] ? sch_direct_xmit+0x2e0/0xd30 [ 89.540329][ C1] sch_direct_xmit+0x2e0/0xd30 [ 89.545238][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.551467][ C1] ? dev_watchdog+0xca0/0xca0 [ 89.556164][ C1] ? lock_acquire+0x140/0x410 [ 89.560828][ C1] __dev_queue_xmit+0x2707/0x35c0 [ 89.565838][ C1] ? __kasan_check_read+0x11/0x20 [ 89.570846][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 89.576115][ C1] ? ip6_finish_output2+0x109a/0x25c0 [ 89.581472][ C1] ? __kasan_check_read+0x11/0x20 [ 89.586490][ C1] ? mark_held_locks+0xa4/0xf0 [ 89.591253][ C1] dev_queue_xmit+0x18/0x20 [ 89.595746][ C1] ? dev_queue_xmit+0x18/0x20 [ 89.600533][ C1] neigh_resolve_output+0x5c4/0x990 [ 89.605847][ C1] ip6_finish_output2+0x109a/0x25c0 [ 89.611031][ C1] ? ip6_frag_next+0xb20/0xb20 [ 89.615786][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 89.620800][ C1] ? __kasan_check_read+0x11/0x20 [ 89.625902][ C1] __ip6_finish_output+0x444/0xaa0 [ 89.631030][ C1] ? __ip6_finish_output+0x444/0xaa0 [ 89.636454][ C1] ip6_finish_output+0x38/0x1f0 [ 89.641291][ C1] ip6_output+0x25e/0x880 [ 89.645732][ C1] ? ip6_finish_output+0x1f0/0x1f0 [ 89.650869][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 89.656228][ C1] ? __ip6_finish_output+0xaa0/0xaa0 [ 89.661497][ C1] ? xfrm_lookup+0x38/0x50 [ 89.665903][ C1] mld_sendpack+0x9c2/0xed0 [ 89.670477][ C1] ? nf_hook.constprop.0+0x560/0x560 [ 89.675927][ C1] ? mld_ifc_timer_expire+0x43e/0x950 [ 89.681302][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 89.686660][ C1] mld_ifc_timer_expire+0x454/0x950 [ 89.691839][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.697375][ C1] call_timer_fn+0x1ac/0x780 [ 89.701951][ C1] ? mld_dad_timer_expire+0x230/0x230 [ 89.707400][ C1] ? msleep_interruptible+0x150/0x150 [ 89.712753][ C1] ? run_timer_softirq+0x6b1/0x1790 [ 89.717938][ C1] ? trace_hardirqs_on+0x67/0x240 [ 89.722946][ C1] ? mld_dad_timer_expire+0x230/0x230 [ 89.728433][ C1] ? mld_dad_timer_expire+0x230/0x230 [ 89.733810][ C1] run_timer_softirq+0x6c3/0x1790 [ 89.738897][ C1] ? add_timer+0x930/0x930 [ 89.743308][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 89.749452][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.754984][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 89.760950][ C1] ? trace_hardirqs_on+0x67/0x240 [ 89.765962][ C1] __do_softirq+0x262/0x98c [ 89.770449][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 89.775287][ C1] irq_exit+0x19b/0x1e0 [ 89.779430][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 89.785049][ C1] apic_timer_interrupt+0xf/0x20 [ 89.789966][ C1] [ 89.792891][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 89.798250][ C1] Code: 78 9a ea f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 94 4a 60 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 84 4a 60 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 2e 8c 9a f9 e8 49 [ 89.817837][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 89.826231][ C1] RAX: 1ffffffff132669e RBX: ffff8880a9a08340 RCX: 0000000000000000 [ 89.834184][ C1] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a9a08bd4 [ 89.842140][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a9a08340 R09: 0000000000000000 [ 89.850095][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 89.858052][ C1] R13: ffffffff8a798c80 R14: 0000000000000000 R15: 0000000000000001 [ 89.866019][ C1] ? default_idle+0x4e/0x360 [ 89.870593][ C1] arch_cpu_idle+0xa/0x10 [ 89.874904][ C1] default_idle_call+0x84/0xb0 [ 89.879647][ C1] do_idle+0x3c8/0x6e0 [ 89.883706][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 89.888799][ C1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 89.894588][ C1] ? complete+0x61/0x80 [ 89.898730][ C1] cpu_startup_entry+0x1b/0x20 [ 89.903477][ C1] start_secondary+0x2f4/0x410 [ 89.908223][ C1] ? set_cpu_sibling_map+0x2140/0x2140 [ 89.913682][ C1] secondary_startup_64+0xa4/0xb0 [ 89.920219][ C1] Kernel Offset: disabled [ 89.924587][ C1] Rebooting in 86400 seconds..