[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[   31.855661] random: sshd: uninitialized urandom read (32 bytes read)

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   32.160322] kauditd_printk_skb: 10 callbacks suppressed
[   32.160330] audit: type=1400 audit(1556449969.146:35): avc:  denied  { map } for  pid=6882 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
[   32.217529] random: sshd: uninitialized urandom read (32 bytes read)
[   32.830337] random: sshd: uninitialized urandom read (32 bytes read)
[   43.226099] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts.
[   48.955718] random: sshd: uninitialized urandom read (32 bytes read)
[   49.074474] audit: type=1400 audit(1556449986.056:36): avc:  denied  { map } for  pid=6895 comm="syz-executor174" path="/root/syz-executor174640762" 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
[   49.810267] IPVS: ftp: loaded support on port[0] = 21
[   50.114355] chnl_net:caif_netlink_parms(): no params data found
[   50.142980] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.149481] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.156523] device bridge_slave_0 entered promiscuous mode
[   50.163331] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.169684] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.176686] device bridge_slave_1 entered promiscuous mode
[   50.191511] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   50.201136] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   50.216659] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   50.224140] team0: Port device team_slave_0 added
[   50.229519] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   50.237023] team0: Port device team_slave_1 added
[   50.242413] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   50.249619] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   50.302146] device hsr_slave_0 entered promiscuous mode
[   50.350346] device hsr_slave_1 entered promiscuous mode
[   50.390552] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   50.397464] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   50.410672] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.417108] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.424205] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.430763] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.458613] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   50.465516] 8021q: adding VLAN 0 to HW filter on device bond0
[   50.474228] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   50.483696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   50.502558] bridge0: port 1(bridge_slave_0) entered disabled state
[   50.509843] bridge0: port 2(bridge_slave_1) entered disabled state
[   50.519830] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   50.526112] 8021q: adding VLAN 0 to HW filter on device team0
[   50.534667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   50.542345] bridge0: port 1(bridge_slave_0) entered blocking state
[   50.548803] bridge0: port 1(bridge_slave_0) entered forwarding state
[   50.557848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   50.565788] bridge0: port 2(bridge_slave_1) entered blocking state
[   50.572191] bridge0: port 2(bridge_slave_1) entered forwarding state
[   50.586999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   50.594842] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   50.604109] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   50.617153] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   50.627344] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   50.638777] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   50.645469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   50.653168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
executing program
[   50.661072] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   50.672333] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   50.682544] 8021q: adding VLAN 0 to HW filter on device batadv0
[   50.709032] IPv6: ADDRCONF(NETDEV_CHANGE): rose0: link becomes ready
[   50.820311] kasan: CONFIG_KASAN_INLINE enabled
[   50.825311] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   50.832763] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   50.839400] Modules linked in:
[   50.843696] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.114 #4
[   50.849909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.859330] task: ffffffff87676240 task.stack: ffffffff87600000
[   50.865387] RIP: 0010:rose_send_frame+0x18d/0x270
[   50.870633] RSP: 0018:ffff8880aee07b48 EFLAGS: 00010202
[   50.876106] RAX: dffffc0000000000 RBX: ffff8882163fb780 RCX: 0000000000000006
[   50.883549] RDX: 000000000000006b RSI: ffffffff86f9bae0 RDI: 0000000000000358
[   50.890917] RBP: ffff8880aee07b78 R08: 1ffff110122e81b8 R09: ffff888091740dc0
[   50.898225] R10: ffffed10122e81bc R11: ffff888091740de3 R12: ffff88808e793580
[   50.905541] R13: 0000000000000078 R14: 0000000000000005 R15: 0000000000000000
[   50.912803] FS:  0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
[   50.921027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.926896] CR2: 0000000020000190 CR3: 0000000082bbb000 CR4: 00000000001406f0
[   50.934387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   50.942171] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   50.949500] Call Trace:
[   50.952109]  <IRQ>
[   50.954258]  ? skb_put+0x161/0x1c0
[   50.957794]  rose_transmit_clear_request+0x1da/0x290
[   50.962895]  ? __local_bh_enable_ip+0x99/0x1a0
[   50.967518]  rose_rx_call_request+0x452/0x1940
[   50.972151]  ? rose_dev_get+0x1c5/0x2b0
[   50.976449]  ? rose_release+0x3e0/0x3e0
[   50.980566]  rose_loopback_timer+0x232/0x3b0
[   50.984975]  ? rcu_lockdep_current_cpu_online+0xf2/0x140
[   50.990426]  call_timer_fn+0x164/0x680
[   50.994307]  ? rose_link_rx_restart.cold+0xa0/0xa0
[   50.999224]  ? __next_timer_interrupt+0x140/0x140
[   51.004161]  ? trace_hardirqs_on_caller+0x19b/0x590
[   51.009179]  run_timer_softirq+0x5b4/0x1570
[   51.013489]  ? rose_link_rx_restart.cold+0xa0/0xa0
[   51.018408]  ? add_timer+0xae0/0xae0
[   51.022120]  ? rcu_lockdep_current_cpu_online+0xf2/0x140
[   51.027656]  __do_softirq+0x24e/0x9ae
[   51.031448]  ? sched_clock+0x2e/0x50
[   51.035156]  irq_exit+0x160/0x1b0
[   51.038601]  smp_apic_timer_interrupt+0x156/0x600
[   51.043435]  apic_timer_interrupt+0x8e/0xa0
[   51.047810]  </IRQ>
[   51.050057] RIP: 0010:native_safe_halt+0x2/0x10
[   51.054717] RSP: 0018:ffffffff87607de8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
[   51.062665] RAX: 1ffffffff0ee2970 RBX: ffffffff87676240 RCX: 0000000000000000
[   51.069935] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff87676abc
[   51.077206] RBP: ffffffff87607e10 R08: 1ffffffff1049a01 R09: 0000000000000000
[   51.084537] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87714b70
[   51.091799] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87676240
[   51.099196]  ? default_idle+0x4c/0x380
[   51.103187]  arch_cpu_idle+0x10/0x20
[   51.107036]  default_idle_call+0x36/0x90
[   51.111362]  do_idle+0x262/0x3d0
[   51.114764]  cpu_startup_entry+0x1b/0x20
[   51.118817]  rest_init+0xf1/0xf6
[   51.122183]  ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c
[   51.128485]  start_kernel+0x6e2/0x700
[   51.132285]  ? mem_encrypt_init+0xb/0xb
[   51.136251]  ? x86_family+0x32/0x40
[   51.139944]  ? load_ucode_bsp+0x1ea/0x1f6
[   51.144166]  x86_64_start_reservations+0x29/0x2b
[   51.148941]  x86_64_start_kernel+0x77/0x7b
[   51.153191]  secondary_startup_64+0xa5/0xb0
[   51.157495] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 8b 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 7b 20 49 8d bf 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7d 49 8b 97 58 03 00 00 e9 c7 fe ff ff e8 2c 9b 
[   51.176588] RIP: rose_send_frame+0x18d/0x270 RSP: ffff8880aee07b48
[   51.182976] ---[ end trace 4c6478e5ff1c6744 ]---
[   51.187734] Kernel panic - not syncing: Fatal exception in interrupt
[   51.195275] Kernel Offset: disabled
[   51.198975] Rebooting in 86400 seconds..