[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   28.075089][   T22] kauditd_printk_skb: 51 callbacks suppressed
[   28.075095][   T22] audit: type=1400 audit(1569463952.998:72): avc:  denied  { map } for  pid=6761 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 '10.128.1.29' (ECDSA) to the list of known hosts.
[   35.771412][   T22] audit: type=1400 audit(1569463960.688:73): avc:  denied  { map } for  pid=6776 comm="syz-executor563" path="/root/syz-executor563765699" dev="sda1" ino=16498 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
executing program
executing program
executing program
executing program
[   70.975252][ T3780] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88811c55b600 (size 224):
  comm "softirq", pid 0, jiffies 4294943400 (age 18.520s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 a0 c0 24 81 88 ff ff 00 30 c0 23 81 88 ff ff  ...$.....0.#....
  backtrace:
    [<00000000b02b66d8>] kmem_cache_alloc_node+0x163/0x2f0
    [<00000000f15097b2>] __alloc_skb+0x6e/0x210
    [<000000006c2b1036>] llc_alloc_frame+0x66/0x110
    [<00000000066565f7>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140
    [<00000000c236382d>] llc_conn_state_process+0x1ac/0x640
    [<000000000de7258e>] llc_conn_tmr_common_cb+0xe0/0x1b0
    [<000000003a4b73a2>] llc_conn_ack_tmr_cb+0x1e/0x30
    [<0000000085ea9a58>] call_timer_fn+0x45/0x1e0
    [<00000000b93911bf>] run_timer_softirq+0x25f/0x750
    [<000000006ddbc9bc>] __do_softirq+0x115/0x33f
    [<00000000573885f2>] irq_exit+0xbb/0xe0
    [<0000000036cb096a>] smp_apic_timer_interrupt+0x96/0x190
    [<00000000a60b13cb>] apic_timer_interrupt+0xf/0x20
    [<0000000047ae6271>] native_safe_halt+0xe/0x10
    [<0000000020a00e4d>] arch_cpu_idle+0xa/0x10
    [<00000000e61e09d5>] default_idle_call+0x1e/0x40

BUG: memory leak
unreferenced object 0xffff888121003200 (size 512):
  comm "softirq", pid 0, jiffies 4294943400 (age 18.520s)
  hex dump (first 32 bytes):
    01 80 c2 00 00 00 00 00 00 00 00 00 00 03 00 05  ................
    7f 75 61 6c 2f 74 74 79 2f 70 74 79 65 36 00 41  .ual/tty/ptye6.A
  backtrace:
    [<0000000032ac2b30>] kmem_cache_alloc_node_trace+0x161/0x2f0
    [<000000001ba504ea>] __kmalloc_node_track_caller+0x38/0x50
    [<0000000065f9ab9f>] __kmalloc_reserve.isra.0+0x40/0xb0
    [<0000000029b821e0>] __alloc_skb+0xa0/0x210
    [<000000006c2b1036>] llc_alloc_frame+0x66/0x110
    [<00000000066565f7>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140
    [<00000000c236382d>] llc_conn_state_process+0x1ac/0x640
    [<000000000de7258e>] llc_conn_tmr_common_cb+0xe0/0x1b0
    [<000000003a4b73a2>] llc_conn_ack_tmr_cb+0x1e/0x30
    [<0000000085ea9a58>] call_timer_fn+0x45/0x1e0
    [<00000000b93911bf>] run_timer_softirq+0x25f/0x750
    [<000000006ddbc9bc>] __do_softirq+0x115/0x33f
    [<00000000573885f2>] irq_exit+0xbb/0xe0
    [<0000000036cb096a>] smp_apic_timer_interrupt+0x96/0x190
    [<00000000a60b13cb>] apic_timer_interrupt+0xf/0x20
    [<0000000047ae6271>] native_safe_halt+0xe/0x10

BUG: memory leak
unreferenced object 0xffff88811c55b800 (size 224):
  comm "softirq", pid 0, jiffies 4294943504 (age 17.480s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 a0 c0 24 81 88 ff ff 00 30 c0 23 81 88 ff ff  ...$.....0.#....
  backtrace:
    [<00000000b02b66d8>] kmem_cache_alloc_node+0x163/0x2f0
    [<00000000f15097b2>] __alloc_skb+0x6e/0x210
    [<000000006c2b1036>] llc_alloc_frame+0x66/0x110
    [<00000000066565f7>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140
    [<00000000c236382d>] llc_conn_state_process+0x1ac/0x640
    [<000000000de7258e>] llc_conn_tmr_common_cb+0xe0/0x1b0
    [<000000003a4b73a2>] llc_conn_ack_tmr_cb+0x1e/0x30
    [<0000000085ea9a58>] call_timer_fn+0x45/0x1e0
    [<00000000b93911bf>] run_timer_softirq+0x25f/0x750
    [<000000006ddbc9bc>] __do_softirq+0x115/0x33f
    [<00000000573885f2>] irq_exit+0xbb/0xe0
    [<0000000036cb096a>] smp_apic_timer_interrupt+0x96/0x190
    [<00000000a60b13cb>] apic_timer_interrupt+0xf/0x20
    [<0000000047ae6271>] native_safe_halt+0xe/0x10
    [<0000000020a00e4d>] arch_cpu_idle+0xa/0x10
    [<00000000e61e09d5>] default_idle_call+0x1e/0x40