[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 58.540252][ T22] kauditd_printk_skb: 40 callbacks suppressed [ 58.540259][ T22] audit: type=1400 audit(1570201069.895:61): avc: denied { map } for pid=6825 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 '10.128.0.108' (ECDSA) to the list of known hosts. [ 64.617403][ T22] audit: type=1400 audit(1570201075.975:62): avc: denied { map } for pid=6837 comm="syz-executor638" path="/root/syz-executor638976271" dev="sda1" ino=16501 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 [ 80.715816][ T6837] kmemleak: 7 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888114748800 (size 2048): comm "syz-executor638", pid 6838, jiffies 4294944463 (age 10.820s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 1a 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............ backtrace: [<0000000070c4bd81>] __kmalloc+0x169/0x300 [<000000004652b20a>] sk_prot_alloc+0x112/0x170 [<00000000c9b1f7e6>] sk_alloc+0x35/0x2f0 [<0000000030645edc>] llc_sk_alloc+0x35/0x170 [<00000000fdb467d8>] llc_ui_create+0x7b/0x150 [<00000000d2160dca>] __sock_create+0x164/0x250 [<00000000677be51e>] __sys_socket+0x69/0x110 [<00000000ea689710>] __x64_sys_socket+0x1e/0x30 [<00000000744ca067>] do_syscall_64+0x73/0x1f0 [<00000000f58f30cf>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810ebe2800 (size 224): comm "syz-executor638", pid 6838, jiffies 4294944463 (age 10.820s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 e0 b6 2a 81 88 ff ff 00 88 74 14 81 88 ff ff ...*......t..... backtrace: [<00000000e686e071>] kmem_cache_alloc_node+0x163/0x2f0 [<0000000057ae3621>] __alloc_skb+0x6e/0x210 [<000000003983d69f>] llc_alloc_frame+0x66/0x110 [<00000000406334b1>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000640cc258>] llc_conn_state_process+0x1ac/0x640 [<000000000529a945>] llc_establish_connection+0x110/0x170 [<00000000cdf204b1>] llc_ui_connect+0x10e/0x370 [<000000002fce6623>] __sys_connect+0x11d/0x170 [<000000000201c839>] __x64_sys_connect+0x1e/0x30 [<00000000744ca067>] do_syscall_64+0x73/0x1f0 [<00000000f58f30cf>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888111cdb600 (size 512): comm "syz-executor638", pid 6838, jiffies 4294944463 (age 10.820s) hex dump (first 32 bytes): 01 80 c2 00 00 00 00 00 00 00 00 00 00 03 00 c0 ................ 7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000f8375368>] kmem_cache_alloc_node_trace+0x161/0x2f0 [<000000006bf4724a>] __kmalloc_node_track_caller+0x38/0x50 [<0000000014569c39>] __kmalloc_reserve.isra.0+0x40/0xb0 [<00000000bd852aee>] __alloc_skb+0xa0/0x210 [<000000003983d69f>] llc_alloc_frame+0x66/0x110 [<00000000406334b1>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000640cc258>] llc_conn_state_process+0x1ac/0x640 [<000000000529a945>] llc_establish_connection+0x110/0x170 [<00000000cdf204b1>] llc_ui_connect+0x10e/0x370 [<000000002fce6623>] __sys_connect+0x11d/0x170 [<000000000201c839>] __x64_sys_connect+0x1e/0x30 [<00000000744ca067>] do_syscall_64+0x73/0x1f0 [<00000000f58f30cf>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810ebe2700 (size 224): comm "softirq", pid 0, jiffies 4294944568 (age 9.770s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 e0 b6 2a 81 88 ff ff 00 88 74 14 81 88 ff ff ...*......t..... backtrace: [<00000000e686e071>] kmem_cache_alloc_node+0x163/0x2f0 [<0000000057ae3621>] __alloc_skb+0x6e/0x210 [<000000003983d69f>] llc_alloc_frame+0x66/0x110 [<00000000406334b1>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000640cc258>] llc_conn_state_process+0x1ac/0x640 [<0000000021d214b4>] llc_conn_tmr_common_cb+0xe0/0x1b0 [<00000000349759c1>] llc_conn_ack_tmr_cb+0x1e/0x30 [<00000000cc3b500a>] call_timer_fn+0x45/0x1e0 [<0000000089a226e5>] run_timer_softirq+0x262/0x730 [<00000000ddf420d8>] __do_softirq+0x115/0x33f [<0000000029a130fc>] irq_exit+0xbb/0xe0 [<00000000faa8628d>] smp_apic_timer_interrupt+0x96/0x190 [<0000000057954095>] apic_timer_interrupt+0xf/0x20 [<00000000394c4399>] native_safe_halt+0xe/0x10 [<0000000093add1ed>] arch_cpu_idle+0xa/0x10 [<0000000064287055>] default_idle_call+0x1e/0x40