Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. syzkaller login: [ 33.263640][ T24] kauditd_printk_skb: 2 callbacks suppressed [ 33.263650][ T24] audit: type=1400 audit(1564314574.668:36): avc: denied { map } for pid=7080 comm="syz-executor546" path="/root/syz-executor546727910" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 40.209090][ T7083] IPVS: ftp: loaded support on port[0] = 21 [ 40.226885][ T7083] chnl_net:caif_netlink_parms(): no params data found [ 40.239394][ T7083] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.246477][ T7083] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.254210][ T7083] device bridge_slave_0 entered promiscuous mode [ 40.261011][ T7083] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.268317][ T7083] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.275649][ T7083] device bridge_slave_1 entered promiscuous mode [ 40.285083][ T7083] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.295071][ T7083] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.306718][ T7083] team0: Port device team_slave_0 added [ 40.312794][ T7083] team0: Port device team_slave_1 added [ 40.352751][ T7083] device hsr_slave_0 entered promiscuous mode [ 40.392149][ T7083] device hsr_slave_1 entered promiscuous mode [ 40.454131][ T7083] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.461180][ T7083] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.468452][ T7083] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.475519][ T7083] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.489904][ T7083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.498193][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.505777][ T3549] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.513458][ T3549] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.520946][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.530034][ T7083] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.548308][ T3052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.556688][ T3052] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.563748][ T3052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.576858][ T7083] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.587301][ T7083] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.598325][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.606914][ T3549] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.613979][ T3549] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.621588][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.629788][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.637910][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.645954][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 40.654072][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.661500][ T3549] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.671791][ T7083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.688911][ T7083] FAULT_INJECTION: forcing a failure. [ 40.688911][ T7083] name failslab, interval 1, probability 0, space 0, times 1 [ 40.701849][ T7083] CPU: 0 PID: 7083 Comm: syz-executor546 Not tainted 5.3.0-rc1+ #88 [ 40.709823][ T7083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.719993][ T7083] Call Trace: [ 40.723268][ T7083] dump_stack+0xaa/0xd6 [ 40.727466][ T7083] should_fail.cold+0x3c/0x49 [ 40.732130][ T7083] __should_failslab+0x65/0xa0 [ 40.736874][ T7083] should_failslab+0x9/0x14 [ 40.741359][ T7083] kmem_cache_alloc+0x26/0x2c0 [ 40.746108][ T7083] __kernfs_new_node+0x75/0x270 [ 40.750939][ T7083] ? make_kgid+0x23/0x30 [ 40.755344][ T7083] ? kernfs_next_descendant_post+0xf8/0x110 [ 40.761389][ T7083] ? map_id_range_down+0xb4/0x140 [ 40.766404][ T7083] kernfs_new_node+0x5e/0x90 [ 40.770977][ T7083] __kernfs_create_file+0x51/0x108 [ 40.776073][ T7083] sysfs_add_file_mode_ns+0xed/0x230 [ 40.781338][ T7083] sysfs_create_file_ns+0x80/0xb0 [ 40.786350][ T7083] device_create_file+0x5a/0xc0 [ 40.791180][ T7083] device_add+0x299/0x890 [ 40.795491][ T7083] netdev_register_kobject+0xa6/0x1b0 [ 40.800841][ T7083] register_netdevice+0x397/0x600 [ 40.805852][ T7083] bond_newlink+0x41/0x80 [ 40.810251][ T7083] ? bond_changelink+0xc20/0xc20 [ 40.815181][ T7083] __rtnl_newlink+0x892/0xb30 [ 40.819840][ T7083] ? is_bpf_text_address+0x24/0x30 [ 40.824936][ T7083] ? tomoyo_merge_path_acl+0x39/0x60 [ 40.830207][ T7083] ? tomoyo_same_path_acl+0x60/0x60 [ 40.835396][ T7083] ? debug_smp_processor_id+0x2c/0xd4 [ 40.840748][ T7083] ? rcu_is_watching+0x11/0x50 [ 40.845493][ T7083] ? call_rcu+0xb/0x10 [ 40.849657][ T7083] ? put_object+0x28/0x30 [ 40.853971][ T7083] ? __delete_object+0x41/0x50 [ 40.858717][ T7083] ? delete_object_full+0x18/0x20 [ 40.863991][ T7083] ? bpf_prog_kallsyms_find+0x39/0x140 [ 40.869443][ T7083] ? __rtnl_newlink+0xb30/0xb30 [ 40.874287][ T7083] rtnl_newlink+0x4e/0x80 [ 40.878608][ T7083] rtnetlink_rcv_msg+0x178/0x4b0 [ 40.883528][ T7083] ? rtnl_calcit.isra.0+0x170/0x170 [ 40.888713][ T7083] netlink_rcv_skb+0x61/0x170 [ 40.893373][ T7083] rtnetlink_rcv+0x1d/0x30 [ 40.897771][ T7083] netlink_unicast+0x1ec/0x2d0 [ 40.902516][ T7083] netlink_sendmsg+0x270/0x480 [ 40.907266][ T7083] sock_sendmsg+0x54/0x70 [ 40.911578][ T7083] ___sys_sendmsg+0x393/0x3c0 [ 40.916244][ T7083] ? _parse_integer+0xbf/0xe0 [ 40.920904][ T7083] ? _kstrtoull+0x92/0xd0 [ 40.925280][ T7083] ? kstrtouint+0x76/0xa0 [ 40.929597][ T7083] ? kstrtouint_from_user+0x7f/0xb0 [ 40.934784][ T7083] ? selinux_file_permission+0x30/0x1f0 [ 40.940311][ T7083] ? __fget_light+0x70/0xb0 [ 40.944803][ T7083] ? __fdget+0x1b/0x20 [ 40.948849][ T7083] ? sockfd_lookup_light+0x6c/0xb0 [ 40.953941][ T7083] __sys_sendmsg+0x80/0xf0 [ 40.958343][ T7083] __x64_sys_sendmsg+0x23/0x30 [ 40.963089][ T7083] do_syscall_64+0x76/0x1a0 [ 40.967573][ T7083] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.973448][ T7083] RIP: 0033:0x442029 [ 40.977663][ T7083] Code: 46 02 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.997248][ T7083] RSP: 002b:00007fffb829e8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.005636][ T7083] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442029 [ 41.013586][ T7083] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 [ 41.021534][ T7083] RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000001bbbbbb [ 41.029485][ T7083] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 41.037436][ T7083] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 41.046321][ T7083] bond1 (uninitialized): Released all slaves [ 42.172404][ T26] device bridge_slave_1 left promiscuous mode [ 42.182474][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.222297][ T26] device bridge_slave_0 left promiscuous mode [ 42.228424][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.402704][ T26] device hsr_slave_0 left promiscuous mode [ 42.472286][ T26] device hsr_slave_1 left promiscuous mode [ 42.513365][ T26] team0 (unregistering): Port device team_slave_1 removed [ 42.521191][ T26] team0 (unregistering): Port device team_slave_0 removed [ 42.528976][ T26] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 42.553027][ T26] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.596040][ T26] bond0 (unregistering): Released all slaves [ 46.811985][ T7080] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888114b05540 (size 32): comm "syz-executor546", pid 7083, jiffies 4294941344 (age 8.050s) hex dump (first 32 bytes): 62 6f 6e 64 31 00 00 00 03 00 00 00 00 00 00 00 bond1........... 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006a8a0c68>] __kmalloc_track_caller+0x165/0x300 [<00000000ba190724>] kstrdup+0x3a/0x70 [<00000000e29419b6>] kstrdup_const+0x48/0x60 [<00000000bf778a5a>] kvasprintf_const+0x7e/0xe0 [<000000007ff0ad9c>] kobject_set_name_vargs+0x40/0xe0 [<00000000cf164600>] dev_set_name+0x63/0x90 [<00000000b35cfaf1>] netdev_register_kobject+0x5a/0x1b0 [<00000000da1ef6e0>] register_netdevice+0x397/0x600 [<0000000052493e1a>] bond_newlink+0x41/0x80 [<000000003ffafc59>] __rtnl_newlink+0x892/0xb30 [<0000000043677bda>] rtnl_newlink+0x4e/0x80 [<00000000d034d849>] rtnetlink_rcv_msg+0x178/0x4b0 [<000000000f89fd94>] netlink_rcv_skb+0x61/0x170 [<0000000075587499>] rtnetlink_rcv+0x1d/0x30 [<00000000cc67dfce>] netlink_unicast+0x1ec/0x2d0 [<000000008aeccebe>] netlink_sendmsg+0x270/0x480