[ 33.003744] audit: type=1800 audit(1556279348.717:33): pid=6917 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 [ 33.031063] audit: type=1800 audit(1556279348.717:34): pid=6917 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 [ 33.463671] random: sshd: uninitialized urandom read (32 bytes read) [ 33.903479] audit: type=1400 audit(1556279349.617:35): avc: denied { map } for pid=7087 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 [ 33.954819] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.599565] random: sshd: uninitialized urandom read (32 bytes read) [ 34.815124] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.184' (ECDSA) to the list of known hosts. [ 40.422422] random: sshd: uninitialized urandom read (32 bytes read) [ 40.546318] audit: type=1400 audit(1556279356.257:36): avc: denied { map } for pid=7100 comm="syz-executor085" path="/root/syz-executor085094649" 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 [ 41.320219] IPVS: ftp: loaded support on port[0] = 21 [ 41.634018] chnl_net:caif_netlink_parms(): no params data found [ 41.664444] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.671286] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.678423] device bridge_slave_0 entered promiscuous mode [ 41.685833] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.692485] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.699397] device bridge_slave_1 entered promiscuous mode [ 41.714066] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.723074] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.738326] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.745785] team0: Port device team_slave_0 added [ 41.751218] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.758231] team0: Port device team_slave_1 added [ 41.763654] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.770933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.822185] device hsr_slave_0 entered promiscuous mode [ 41.860449] device hsr_slave_1 entered promiscuous mode [ 41.910593] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.917550] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.931534] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.937976] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.944959] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.951363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.978905] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.985824] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.994277] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.003083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.012872] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.020183] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.029527] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.035876] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.044331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.052093] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.058427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.067316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.075413] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.081918] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.101206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.108849] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.116626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 42.124165] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.132367] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.141575] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.148125] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.160389] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.171215] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.197728] kasan: CONFIG_KASAN_INLINE enabled [ 42.202968] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.211211] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.217449] Modules linked in: [ 42.220627] CPU: 1 PID: 7112 Comm: syz-executor085 Not tainted 4.14.113 #3 [ 42.227617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.236971] task: ffff8880951a6480 task.stack: ffff888083cc0000 [ 42.243025] RIP: 0010:addr_resolve+0x28c/0xa80 [ 42.247602] RSP: 0018:ffff888083cc7828 EFLAGS: 00010202 [ 42.252949] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11012a34d9e [ 42.260203] RDX: 00000000000000a8 RSI: 0000000000000001 RDI: 0000000000000286 [ 42.267469] RBP: ffff888083cc7920 R08: ffff8880951a6480 R09: 0000000000000000 [ 42.274736] R10: 0000000000000000 R11: ffff8880951a6480 R12: 00000000ffffff9d [ 42.281990] R13: ffff88807f43a040 R14: ffff8880a0d7dc60 R15: 0000000000000540 [ 42.289265] FS: 0000000001a9a880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 42.297490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.303354] CR2: 00000000006d3090 CR3: 00000000982c9000 CR4: 00000000001406e0 [ 42.310626] Call Trace: [ 42.313217] ? addr_resolve_neigh+0x8a0/0x8a0 [ 42.317696] ? lockdep_init_map+0x9/0x10 [ 42.321742] ? init_timer_key+0xdc/0x300 [ 42.325786] rdma_resolve_ip+0x3d9/0x660 [ 42.329850] ? cma_work_handler+0x1e0/0x1e0 [ 42.334184] rdma_resolve_addr+0x1f5/0x2520 [ 42.338588] ? __mutex_unlock_slowpath+0x71/0x800 [ 42.343413] ? rdma_bind_addr+0x1a60/0x1a60 [ 42.347719] ucma_resolve_addr+0x158/0x1f0 [ 42.351936] ? ucma_resolve_addr+0x158/0x1f0 [ 42.356341] ? ucma_get_ctx+0x130/0x130 [ 42.360317] ? lock_downgrade+0x6e0/0x6e0 [ 42.364452] ? kasan_check_write+0x14/0x20 [ 42.368670] ? _copy_from_user+0x99/0x110 [ 42.372800] ucma_write+0x234/0x310 [ 42.376408] ? ucma_get_ctx+0x130/0x130 [ 42.380361] ? ucma_open+0x290/0x290 [ 42.384067] __vfs_write+0x107/0x6c0 [ 42.387779] ? ucma_open+0x290/0x290 [ 42.391475] ? kernel_read+0x120/0x120 [ 42.395341] ? __inode_security_revalidate+0xd6/0x130 [ 42.400513] ? avc_policy_seqno+0x9/0x20 [ 42.404559] ? selinux_file_permission+0x85/0x480 [ 42.409382] ? security_file_permission+0x8f/0x1f0 [ 42.414296] ? rw_verify_area+0xea/0x2b0 [ 42.418337] vfs_write+0x198/0x500 [ 42.421945] SyS_write+0xb8/0x180 [ 42.425402] ? SyS_read+0x180/0x180 [ 42.429208] ? do_syscall_64+0x53/0x630 [ 42.433165] ? SyS_read+0x180/0x180 [ 42.436886] do_syscall_64+0x1eb/0x630 [ 42.440783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.445613] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 42.450786] RIP: 0033:0x442369 [ 42.453953] RSP: 002b:00007ffec7314ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.461732] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442369 [ 42.468989] RDX: 0000000000000013 RSI: 0000000020000140 RDI: 0000000000000003 [ 42.476259] RBP: 00000000004a9590 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 42.483564] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000403270 [ 42.490827] R13: 0000000000403300 R14: 0000000000000000 R15: 0000000000000000 [ 42.498083] Code: e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f4 06 00 00 45 89 6e 64 e8 f5 0d ef fc 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 c3 06 00 00 48 8b 83 40 05 00 00 65 ff 08 e8 [ 42.517226] RIP: addr_resolve+0x28c/0xa80 RSP: ffff888083cc7828 [ 42.524889] ---[ end trace ec3f4bd13202d709 ]--- [ 42.529668] Kernel panic - not syncing: Fatal exception [ 42.536036] Kernel Offset: disabled [ 42.539693] Rebooting in 86400 seconds..