[ 29.091109][ T25] audit: type=1800 audit(1575780900.549:35): pid=7107 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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: [ 34.399565][ T25] kauditd_printk_skb: 5 callbacks suppressed [ 34.399573][ T25] audit: type=1400 audit(1575780905.909:41): avc: denied { map } for pid=7285 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 '10.128.0.100' (ECDSA) to the list of known hosts. 2019/12/08 04:56:34 parsed 1 programs [ 122.524794][ T25] audit: type=1400 audit(1575780994.029:42): avc: denied { map } for pid=7299 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 124.116754][ T25] audit: type=1400 audit(1575780995.629:43): avc: denied { map } for pid=7299 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1047 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 124.119526][ T3798] kmemleak: Automatic memory scanning thread ended 2019/12/08 04:56:42 executed programs: 0 [ 131.019792][ T7314] IPVS: ftp: loaded support on port[0] = 21 [ 131.038876][ T7314] chnl_net:caif_netlink_parms(): no params data found [ 131.050441][ T7314] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.057518][ T7314] bridge0: port 1(bridge_slave_0) entered disabled state [ 131.064824][ T7314] device bridge_slave_0 entered promiscuous mode [ 131.071837][ T7314] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.079003][ T7314] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.086320][ T7314] device bridge_slave_1 entered promiscuous mode [ 131.095612][ T7314] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 131.105167][ T7314] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 131.116761][ T7314] team0: Port device team_slave_0 added [ 131.122760][ T7314] team0: Port device team_slave_1 added [ 131.176015][ T7314] device hsr_slave_0 entered promiscuous mode [ 131.225456][ T7314] device hsr_slave_1 entered promiscuous mode [ 131.281029][ T25] audit: type=1400 audit(1575781002.789:44): avc: denied { create } for pid=7314 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 131.284325][ T7314] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 131.306065][ T25] audit: type=1400 audit(1575781002.789:45): avc: denied { write } for pid=7314 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 131.337260][ T25] audit: type=1400 audit(1575781002.789:46): avc: denied { read } for pid=7314 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 131.365995][ T7314] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 131.426174][ T7314] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 131.456031][ T7314] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 131.497721][ T7314] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.505136][ T7314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.512463][ T7314] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.519481][ T7314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.533728][ T7314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 131.542107][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 131.559817][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 131.578191][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.585628][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 131.593996][ T7314] 8021q: adding VLAN 0 to HW filter on device team0 [ 131.602001][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.610205][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.617362][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.625696][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 131.633765][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.640782][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.650442][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 131.660433][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 131.669219][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 131.679040][ T7314] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 131.689717][ T7314] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 131.701215][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 131.709370][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 131.717736][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 131.727811][ T7314] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 131.735807][ T7316] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 131.743300][ T7316] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 131.751259][ T25] audit: type=1400 audit(1575781003.259:47): avc: denied { associate } for pid=7314 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 [ 131.802240][ T25] audit: type=1400 audit(1575781003.309:48): avc: denied { open } for pid=7318 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 131.825876][ T25] audit: type=1400 audit(1575781003.309:49): avc: denied { kernel } for pid=7318 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 131.866101][ T7318] ubi0: attaching mtd0 [ 131.870412][ T7318] ubi0: scanning is finished [ 131.874993][ T7318] ubi0: empty MTD device detected [ 131.916198][ T7318] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 131.923733][ T7318] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 131.930976][ T7318] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 131.937916][ T7318] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 131.945431][ T7318] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 131.952573][ T7318] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 131.960703][ T7318] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 2013882380 [ 131.972088][ T7318] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 131.982218][ T7320] ubi0: background thread "ubi_bgt0d" started, PID 7320 [ 131.982346][ T7318] ubi0: detaching mtd0 [ 131.993829][ T7318] ubi0: mtd0 is detached [ 137.867004][ T7321] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881225039a0 (size 32): comm "syz-executor.0", pid 7318, jiffies 4294950453 (age 8.280s) hex dump (first 32 bytes): 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 01 00 00 00 02 00 00 00 ................ backtrace: [<000000003a9d0e7e>] kmem_cache_alloc+0x13f/0x2c0 [<00000000b53dfd0a>] erase_aeb+0x2a/0x100 [<000000005ccfba82>] ubi_wl_init+0x1ae/0x600 [<000000002350928f>] ubi_attach+0x665/0x18e7 [<0000000055aac88b>] ubi_attach_mtd_dev+0x5b3/0xd40 [<00000000071dc178>] ctrl_cdev_ioctl+0x149/0x1c0 [<000000004c359338>] do_vfs_ioctl+0x551/0x890 [<000000002f3b4a0e>] ksys_ioctl+0x86/0xb0 [<0000000071dee951>] __x64_sys_ioctl+0x1e/0x30 [<0000000069d4ede5>] do_syscall_64+0x73/0x220 [<000000001a44675f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9