[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 29.770593][ T25] kauditd_printk_skb: 43 callbacks suppressed [ 29.770600][ T25] audit: type=1400 audit(1570330802.363:64): avc: denied { map } for pid=6782 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 '10.128.0.214' (ECDSA) to the list of known hosts. [ 61.738087][ T25] audit: type=1400 audit(1570330834.333:65): avc: denied { map } for pid=6798 comm="syz-executor120" path="/root/syz-executor120976219" dev="sda1" ino=16471 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 [ 77.869891][ T6798] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881188b6e00 (size 224): comm "softirq", pid 0, jiffies 4294944360 (age 9.060s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 a0 f0 2a 81 88 ff ff 00 30 02 23 81 88 ff ff ...*.....0.#.... backtrace: [<00000000092e8a3a>] kmem_cache_alloc_node+0x163/0x2f0 [<0000000085bede12>] __alloc_skb+0x6e/0x210 [<00000000d1bbe75c>] llc_alloc_frame+0x66/0x110 [<0000000076e11da1>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<0000000075d6a8a3>] llc_conn_state_process+0x1ac/0x640 [<000000007ce0ecf4>] llc_conn_tmr_common_cb+0xe0/0x1b0 [<0000000092d7f1b4>] llc_conn_ack_tmr_cb+0x1e/0x30 [<000000001268c6c6>] call_timer_fn+0x45/0x1e0 [<00000000ab038540>] run_timer_softirq+0x262/0x730 [<00000000fdbd5fc1>] __do_softirq+0x115/0x33f [<00000000074684e7>] irq_exit+0xbb/0xe0 [<00000000ae86a358>] smp_apic_timer_interrupt+0x96/0x190 [<00000000ddc8596d>] apic_timer_interrupt+0xf/0x20 [<00000000f67440be>] native_safe_halt+0xe/0x10 [<00000000e83f94cb>] arch_cpu_idle+0xa/0x10 [<00000000355d39a2>] default_idle_call+0x1e/0x40