[....] 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: [ 33.013569][ T24] kauditd_printk_skb: 45 callbacks suppressed [ 33.013575][ T24] audit: type=1400 audit(1570656872.118:66): avc: denied { map } for pid=6749 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 '10.128.0.149' (ECDSA) to the list of known hosts. [ 55.120423][ T24] audit: type=1400 audit(1570656894.228:67): avc: denied { map } for pid=6763 comm="syz-executor163" path="/root/syz-executor163631990" 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 [ 61.721717][ T6764] IPVS: ftp: loaded support on port[0] = 21 [ 61.739258][ T6764] chnl_net:caif_netlink_parms(): no params data found [ 61.750363][ T6764] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.757427][ T6764] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.764685][ T6764] device bridge_slave_0 entered promiscuous mode [ 61.771481][ T6764] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.778507][ T6764] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.785656][ T6764] device bridge_slave_1 entered promiscuous mode [ 61.794198][ T6764] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.803502][ T6764] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.814515][ T6764] team0: Port device team_slave_0 added [ 61.820367][ T6764] team0: Port device team_slave_1 added [ 61.868348][ T6764] device hsr_slave_0 entered promiscuous mode [ 61.917935][ T6764] device hsr_slave_1 entered promiscuous mode [ 61.969669][ T6764] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.976696][ T6764] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.983899][ T6764] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.990900][ T6764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.003557][ T6764] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.011194][ T6766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.028740][ T6766] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.035939][ T6766] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.043700][ T6766] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 62.051703][ T6764] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.059101][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.067143][ T2969] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.074157][ T2969] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.082002][ T6766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.090174][ T6766] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.097168][ T6766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.106379][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.114543][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 62.122618][ T6766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.131333][ T2969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.140032][ T6764] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.150533][ T6764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.157922][ T6766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.167887][ T6764] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.788121][ T7] device bridge_slave_1 left promiscuous mode [ 66.794219][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.858115][ T7] device bridge_slave_0 left promiscuous mode [ 66.864223][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.048279][ T7] device hsr_slave_0 left promiscuous mode [ 67.087917][ T7] device hsr_slave_1 left promiscuous mode [ 67.169063][ T7] team0 (unregistering): Port device team_slave_1 removed [ 67.176733][ T7] team0 (unregistering): Port device team_slave_0 removed [ 67.184395][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 67.218539][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 67.251392][ T7] bond0 (unregistering): Released all slaves [ 70.889455][ T3779] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888121935400 (size 224): comm "syz-executor163", pid 6764, jiffies 4294943492 (age 11.370s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 a0 c1 24 81 88 ff ff 00 98 96 16 81 88 ff ff ...$............ backtrace: [<00000000246c5cc0>] kmem_cache_alloc_node+0x163/0x2f0 [<000000006fa2ae88>] __alloc_skb+0x6e/0x210 [<000000002ecc9c48>] llc_alloc_frame+0x66/0x110 [<000000006ad002a3>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000f7c21d08>] llc_conn_state_process+0x1ac/0x640 [<0000000085b459f1>] llc_establish_connection+0x110/0x170 [<00000000a741e01f>] llc_ui_connect+0x10e/0x370 [<00000000d803a61b>] __sys_connect+0x11d/0x170 [<0000000057208cd5>] __x64_sys_connect+0x1e/0x30 [<0000000059d6d712>] do_syscall_64+0x73/0x1f0 [<00000000480ee060>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119398200 (size 512): comm "syz-executor163", pid 6764, jiffies 4294943492 (age 11.370s) hex dump (first 32 bytes): 01 80 c2 00 00 00 00 00 00 00 00 00 00 03 00 05 ................ 7f 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 ................ backtrace: [<000000007fecddf4>] kmem_cache_alloc_node_trace+0x161/0x2f0 [<00000000b56b0123>] __kmalloc_node_track_caller+0x38/0x50 [<00000000639a8f04>] __kmalloc_reserve.isra.0+0x40/0xb0 [<00000000657cbc1e>] __alloc_skb+0xa0/0x210 [<000000002ecc9c48>] llc_alloc_frame+0x66/0x110 [<000000006ad002a3>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000f7c21d08>] llc_conn_state_process+0x1ac/0x640 [<0000000085b459f1>] llc_establish_connection+0x110/0x170 [<00000000a741e01f>] llc_ui_connect+0x10e/0x370 [<00000000d803a61b>] __sys_connect+0x11d/0x170 [<0000000057208cd5>] __x64_sys_connect+0x1e/0x30 [<0000000059d6d712>] do_syscall_64+0x73/0x1f0 [<00000000480ee060>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888121935a00 (size 224): comm "softirq", pid 0, jiffies 4294943704 (age 9.250s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 a0 c1 24 81 88 ff ff 00 98 96 16 81 88 ff ff ...$............ backtrace: [<00000000246c5cc0>] kmem_cache_alloc_node+0x163/0x2f0 [<000000006fa2ae88>] __alloc_skb+0x6e/0x210 [<000000002ecc9c48>] llc_alloc_frame+0x66/0x110 [<000000006ad002a3>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000f7c21d08>] llc_conn_state_process+0x1ac/0x640 [<00000000ff035b54>] llc_conn_tmr_common_cb+0xe0/0x1b0 [<00000000475579a8>] llc_conn_ack_tmr_cb+0x1e/0x30 [<0000000080b25360>] call_timer_fn+0x45/0x1e0 [<000000001d3b0c22>] run_timer_softirq+0x262/0x730 [<000000005c7b72e6>] __do_softirq+0x115/0x33f [<000000007071df29>] irq_exit+0xbb/0xe0 [<00000000b01de7a0>] smp_apic_timer_interrupt+0x96/0x190 [<00000000e0b98c9b>] apic_timer_interrupt+0xf/0x20 [<00000000511d9979>] native_safe_halt+0xe/0x10 [<0000000018c130b6>] arch_cpu_idle+0xa/0x10 [<000000001b187f92>] default_idle_call+0x1e/0x40