[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[[ 26.039242][ T24] audit: type=1800 audit(1562777570.928:33): pid=6807 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 1G[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 45.460668][ T24] kauditd_printk_skb: 1 callbacks suppressed [ 45.460676][ T24] audit: type=1400 audit(1562777590.348:35): avc: denied { map } for pid=6980 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 '10.128.0.186' (ECDSA) to the list of known hosts. [ 51.382138][ T24] audit: type=1400 audit(1562777596.268:36): avc: denied { map } for pid=6992 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/07/10 16:53:17 parsed 1 programs [ 52.349561][ T24] audit: type=1400 audit(1562777597.238:37): avc: denied { map } for pid=6992 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=30 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 52.351968][ T3781] kmemleak: Automatic memory scanning thread ended 2019/07/10 16:53:25 executed programs: 0 [ 61.036045][ T7008] IPVS: ftp: loaded support on port[0] = 21 [ 61.056095][ T7008] chnl_net:caif_netlink_parms(): no params data found [ 61.067884][ T7008] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.074989][ T7008] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.082201][ T7008] device bridge_slave_0 entered promiscuous mode [ 61.088896][ T7008] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.095942][ T7008] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.103188][ T7008] device bridge_slave_1 entered promiscuous mode [ 61.112802][ T7008] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.121410][ T7008] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.131981][ T7008] team0: Port device team_slave_0 added [ 61.137825][ T7008] team0: Port device team_slave_1 added [ 61.185661][ T7008] device hsr_slave_0 entered promiscuous mode [ 61.225028][ T7008] device hsr_slave_1 entered promiscuous mode [ 61.267108][ T7008] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.274127][ T7008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.281336][ T7008] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.288359][ T7008] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.302772][ T7008] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.310775][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.318349][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.325937][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.333259][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.342110][ T7008] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.349753][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.358065][ T16] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.365090][ T16] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.378048][ T7008] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.388493][ T7008] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.399538][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.407665][ T3047] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.414759][ T3047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.422461][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.430754][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.438771][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.446651][ T3047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.455056][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.462275][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.472076][ T7008] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.487710][ T24] audit: type=1400 audit(1562777606.378:38): avc: denied { associate } for pid=7008 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 62.735213][ T26] device bridge_slave_1 left promiscuous mode [ 62.741346][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.805163][ T26] device bridge_slave_0 left promiscuous mode [ 62.811267][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.005564][ T26] device hsr_slave_1 left promiscuous mode [ 63.045556][ T26] device hsr_slave_0 left promiscuous mode [ 63.085770][ T26] team0 (unregistering): Port device team_slave_1 removed [ 63.093456][ T26] team0 (unregistering): Port device team_slave_0 removed [ 63.101153][ T26] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 63.175679][ T26] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 63.208953][ T26] bond0 (unregistering): Released all slaves 2019/07/10 16:53:32 executed programs: 1 2019/07/10 16:53:32 result: hanged=false err=executor 0: failed to write control pipe: write |1: broken pipe umount(./0/file0) failed (errno 22) loop exited with status 0 [ 67.458604][ T7021] IPVS: ftp: loaded support on port[0] = 21 [ 67.478056][ T7021] chnl_net:caif_netlink_parms(): no params data found [ 67.489644][ T7021] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.496992][ T7021] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.504160][ T7021] device bridge_slave_0 entered promiscuous mode [ 67.510853][ T7021] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.517918][ T7021] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.525225][ T7021] device bridge_slave_1 entered promiscuous mode [ 67.534051][ T7021] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.542695][ T7021] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.553182][ T7021] team0: Port device team_slave_0 added [ 67.559102][ T7021] team0: Port device team_slave_1 added [ 67.605538][ T7021] device hsr_slave_0 entered promiscuous mode [ 67.634978][ T7021] device hsr_slave_1 entered promiscuous mode [ 67.686981][ T7021] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.694001][ T7021] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.701211][ T7021] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.708221][ T7021] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.722140][ T7021] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.730088][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.737538][ T7010] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.744636][ T7010] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.752083][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.760908][ T7021] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.768657][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.776830][ T16] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.783828][ T16] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.796736][ T7021] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.807098][ T7021] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.817903][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.826019][ T7010] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.833024][ T7010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.840541][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.848533][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.856856][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.864697][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.872671][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.879927][ T7010] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.889736][ T7021] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.845315][ T163] device bridge_slave_1 left promiscuous mode [ 68.851444][ T163] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.875047][ T7028] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 68.935220][ T163] device bridge_slave_0 left promiscuous mode [ 68.941308][ T163] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.115884][ T163] device hsr_slave_1 left promiscuous mode [ 69.155825][ T163] device hsr_slave_0 left promiscuous mode [ 69.195723][ T163] team0 (unregistering): Port device team_slave_1 removed [ 69.203435][ T163] team0 (unregistering): Port device team_slave_0 removed [ 69.211099][ T163] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 69.265590][ T163] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 69.318979][ T163] bond0 (unregistering): Released all slaves [ 75.667174][ T7028] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811dc2acc0 (size 64): comm "softirq", pid 0, jiffies 4294943381 (age 14.660s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 e0 dc 35 17 81 88 ff ff ..........5..... 00 00 00 00 00 00 00 00 00 81 16 83 ff ff ff ff ................ backtrace: [<000000009015a059>] kmem_cache_alloc_trace+0x13d/0x280 [<000000000639c3d6>] batadv_tvlv_handler_register+0xa3/0x170 [<00000000b0990f6c>] batadv_tt_init+0x78/0x180 [<00000000cc150572>] batadv_mesh_init+0x196/0x230 [<0000000014b2035c>] batadv_softif_init_late+0x1ca/0x220 [<00000000273d323d>] register_netdevice+0xbf/0x600 [<00000000c4b0378b>] __rtnl_newlink+0xaca/0xb30 [<00000000aa2570ee>] rtnl_newlink+0x4e/0x80 [<0000000028eba6fa>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000000ddaedea>] netlink_rcv_skb+0x61/0x170 [<00000000157f6058>] rtnetlink_rcv+0x1d/0x30 [<00000000382a5aa6>] netlink_unicast+0x1ec/0x2d0 [<00000000e9410ee4>] netlink_sendmsg+0x26a/0x480 [<00000000d0e21401>] sock_sendmsg+0x54/0x70 [<0000000041ed2fa1>] __sys_sendto+0x148/0x1f0 [<000000005aa7376f>] __x64_sys_sendto+0x2a/0x30 BUG: memory leak unreferenced object 0xffff88811721f100 (size 128): comm "syz-executor.0", pid 7008, jiffies 4294943390 (age 14.570s) hex dump (first 32 bytes): f0 d8 d6 20 81 88 ff ff f0 d8 d6 20 81 88 ff ff ... ....... .... 86 c6 cc b9 1f 40 5e 0c 74 2f e0 7f 00 00 00 00 .....@^.t/...... backtrace: [<000000009015a059>] kmem_cache_alloc_trace+0x13d/0x280 [<0000000070906347>] hsr_create_self_node+0x42/0x150 [<00000000df60342c>] hsr_dev_finalize+0xa4/0x233 [<0000000076960549>] hsr_newlink+0xf3/0x140 [<000000005174f0b2>] __rtnl_newlink+0x892/0xb30 [<00000000aa2570ee>] rtnl_newlink+0x4e/0x80 [<0000000028eba6fa>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000000ddaedea>] netlink_rcv_skb+0x61/0x170 [<00000000157f6058>] rtnetlink_rcv+0x1d/0x30 [<00000000382a5aa6>] netlink_unicast+0x1ec/0x2d0 [<00000000e9410ee4>] netlink_sendmsg+0x26a/0x480 [<00000000d0e21401>] sock_sendmsg+0x54/0x70 [<0000000041ed2fa1>] __sys_sendto+0x148/0x1f0 [<000000005aa7376f>] __x64_sys_sendto+0x2a/0x30 [<000000002235e0bb>] do_syscall_64+0x76/0x1a0 [<000000006f4edfc9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a4d2140 (size 64): comm "syz-executor.0", pid 7008, jiffies 4294943390 (age 14.570s) hex dump (first 32 bytes): 40 98 43 20 81 88 ff ff 00 02 00 00 00 00 ad de @.C ............ 00 d0 d6 20 81 88 ff ff c0 d8 d6 20 81 88 ff ff ... ....... .... backtrace: [<000000009015a059>] kmem_cache_alloc_trace+0x13d/0x280 [<00000000a359b2ee>] hsr_add_port+0xe7/0x220 [<00000000dfb62c76>] hsr_dev_finalize+0x14f/0x233 [<0000000076960549>] hsr_newlink+0xf3/0x140 [<000000005174f0b2>] __rtnl_newlink+0x892/0xb30 [<00000000aa2570ee>] rtnl_newlink+0x4e/0x80 [<0000000028eba6fa>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000000ddaedea>] netlink_rcv_skb+0x61/0x170 [<00000000157f6058>] rtnetlink_rcv+0x1d/0x30 [<00000000382a5aa6>] netlink_unicast+0x1ec/0x2d0 [<00000000e9410ee4>] netlink_sendmsg+0x26a/0x480 [<00000000d0e21401>] sock_sendmsg+0x54/0x70 [<0000000041ed2fa1>] __sys_sendto+0x148/0x1f0 [<000000005aa7376f>] __x64_sys_sendto+0x2a/0x30 [<000000002235e0bb>] do_syscall_64+0x76/0x1a0 [<000000006f4edfc9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9