[ 35.151976] audit: type=1800 audit(1556707548.180:33): pid=6879 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=2465 res=0 [ 35.179154] audit: type=1800 audit(1556707548.180:34): pid=6879 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=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 39.829173] random: sshd: uninitialized urandom read (32 bytes read) [ 40.365531] audit: type=1400 audit(1556707553.390:35): avc: denied { map } for pid=7051 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 [ 40.409493] random: sshd: uninitialized urandom read (32 bytes read) [ 40.978484] random: sshd: uninitialized urandom read (32 bytes read) [ 811.382689] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. [ 817.060192] random: sshd: uninitialized urandom read (32 bytes read) [ 817.243128] audit: type=1400 audit(1556708330.270:36): avc: denied { map } for pid=7064 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/05/01 10:58:51 parsed 1 programs [ 817.994121] audit: type=1400 audit(1556708331.020:37): avc: denied { map } for pid=7064 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13805 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 818.743006] random: cc1: uninitialized urandom read (8 bytes read) 2019/05/01 10:58:52 executed programs: 0 [ 820.440177] IPVS: ftp: loaded support on port[0] = 21 [ 820.866143] chnl_net:caif_netlink_parms(): no params data found [ 820.895509] bridge0: port 1(bridge_slave_0) entered blocking state [ 820.902418] bridge0: port 1(bridge_slave_0) entered disabled state [ 820.909632] device bridge_slave_0 entered promiscuous mode [ 820.916640] bridge0: port 2(bridge_slave_1) entered blocking state [ 820.923294] bridge0: port 2(bridge_slave_1) entered disabled state [ 820.930243] device bridge_slave_1 entered promiscuous mode [ 820.944087] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 820.952851] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 820.968862] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 820.976020] team0: Port device team_slave_0 added [ 820.981467] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 820.988558] team0: Port device team_slave_1 added [ 820.993926] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 821.001129] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 821.061907] device hsr_slave_0 entered promiscuous mode [ 821.140293] device hsr_slave_1 entered promiscuous mode [ 821.200528] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 821.207394] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 821.220105] bridge0: port 2(bridge_slave_1) entered blocking state [ 821.226525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 821.233970] bridge0: port 1(bridge_slave_0) entered blocking state [ 821.240463] bridge0: port 1(bridge_slave_0) entered forwarding state [ 821.268278] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 821.274509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 821.283119] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 821.290949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 821.299221] bridge0: port 1(bridge_slave_0) entered disabled state [ 821.317032] bridge0: port 2(bridge_slave_1) entered disabled state [ 821.327115] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 821.333768] 8021q: adding VLAN 0 to HW filter on device team0 [ 821.342051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 821.349619] bridge0: port 1(bridge_slave_0) entered blocking state [ 821.356108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 821.365251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 821.373325] bridge0: port 2(bridge_slave_1) entered blocking state [ 821.379651] bridge0: port 2(bridge_slave_1) entered forwarding state [ 821.397994] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 821.407999] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 821.419846] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 821.426804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 821.434528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 821.442074] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 821.449608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 821.457175] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 821.463992] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 821.474502] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 821.484348] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 821.860735] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready 2019/05/01 10:58:57 executed programs: 23 [ 826.093895] ------------[ cut here ]------------ [ 826.098795] WARNING: CPU: 0 PID: 7255 at kernel/locking/lockdep.c:722 register_lock_class+0xd80/0x1730 [ 826.108241] Kernel panic - not syncing: panic_on_warn set ... [ 826.108241] [ 826.115593] CPU: 0 PID: 7255 Comm: syz-executor.0 Not tainted 4.14.114 #4 [ 826.122718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 826.132258] Call Trace: [ 826.134902] dump_stack+0x138/0x19c [ 826.138515] panic+0x1f2/0x438 [ 826.141884] ? add_taint.cold+0x16/0x16 [ 826.145849] ? register_lock_class+0xd80/0x1730 [ 826.150501] ? register_lock_class+0xd80/0x1730 [ 826.155243] __warn.cold+0x2f/0x34 [ 826.158816] ? ist_end_non_atomic+0x10/0x10 [ 826.163255] ? register_lock_class+0xd80/0x1730 [ 826.167918] report_bug+0x216/0x254 [ 826.171532] do_error_trap+0x1bb/0x310 [ 826.175406] ? math_error+0x360/0x360 [ 826.179196] ? trace_hardirqs_on+0x10/0x10 [ 826.183481] ? _raw_spin_unlock_irq+0x5e/0x90 [ 826.187970] ? save_trace+0x290/0x290 [ 826.191842] ? __switch_to_asm+0x30/0x60 [ 826.195889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 826.200728] do_invalid_op+0x1b/0x20 [ 826.204484] invalid_op+0x1b/0x40 [ 826.207927] RIP: 0010:register_lock_class+0xd80/0x1730 [ 826.213186] RSP: 0018:ffff8880a6fb7a00 EFLAGS: 00010083 [ 826.218534] RAX: dffffc0000000000 RBX: ffffffff891a5680 RCX: ffff8880903c11e0 [ 826.225935] RDX: 1ffff1101207823f RSI: 1ffffffff11a4f4c RDI: ffff8880903c11f8 [ 826.233264] RBP: ffff8880a6fb7ac0 R08: 0000000000000000 R09: 0000000000000000 [ 826.240538] R10: ffffffff88cbff90 R11: 0000000000000000 R12: ffffffff88d27a40 [ 826.247840] R13: 1ffff11014df6f4b R14: ffffffff86ee83c0 R15: 0000000000000000 [ 826.255116] ? avc_has_perm+0x2df/0x4b0 [ 826.259073] ? avc_has_perm_noaudit+0x420/0x420 [ 826.263868] ? check_noncircular+0x20/0x20 [ 826.268091] ? __lock_acquire+0x5f9/0x45e0 [ 826.272312] __lock_acquire+0x147/0x45e0 [ 826.276361] ? sock_has_perm+0x1ed/0x280 [ 826.280409] ? trace_hardirqs_on+0x10/0x10 [ 826.284624] ? find_held_lock+0x35/0x130 [ 826.288859] ? selinux_netlbl_socket_connect+0x76/0x1b0 [ 826.294211] ? selinux_socket_connect+0x14b/0x470 [ 826.299185] lock_acquire+0x16f/0x430 [ 826.303120] ? lock_sock_nested+0x3f/0x110 [ 826.307344] _raw_spin_lock_bh+0x33/0x50 [ 826.311390] ? lock_sock_nested+0x3f/0x110 [ 826.315616] lock_sock_nested+0x3f/0x110 [ 826.319791] inet_autobind+0x20/0x190 [ 826.323577] inet_dgram_connect+0x13b/0x1f0 [ 826.327930] SYSC_connect+0x1f8/0x2d0 [ 826.331715] ? SYSC_bind+0x220/0x220 [ 826.335423] ? nsecs_to_jiffies+0x30/0x30 [ 826.339637] ? SyS_clock_gettime+0xfd/0x190 [ 826.343953] SyS_connect+0x24/0x30 [ 826.347483] ? SyS_accept+0x30/0x30 [ 826.351104] do_syscall_64+0x1eb/0x630 [ 826.355105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 826.359938] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 826.365119] RIP: 0033:0x458da9 [ 826.368290] RSP: 002b:00007f2e662ccc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 826.375984] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 826.383246] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000008 [ 826.390508] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 826.398109] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2e662cd6d4 [ 826.405407] R13: 00000000004bf1f1 R14: 00000000004d02c0 R15: 00000000ffffffff [ 826.413970] Kernel Offset: disabled [ 826.417666] Rebooting in 86400 seconds..