Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. 2020/04/21 11:09:03 parsed 1 programs 2020/04/21 11:09:04 executed programs: 0 [ 41.363600] audit: type=1400 audit(1587467344.103:10): avc: denied { execmem } for pid=6110 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.676757] IPVS: ftp: loaded support on port[0] = 21 [ 42.414317] IPVS: ftp: loaded support on port[0] = 21 [ 42.483671] chnl_net:caif_netlink_parms(): no params data found [ 42.530907] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.538204] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.545574] device bridge_slave_0 entered promiscuous mode [ 42.547154] IPVS: ftp: loaded support on port[0] = 21 [ 42.554300] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.563533] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.571481] device bridge_slave_1 entered promiscuous mode [ 42.617406] chnl_net:caif_netlink_parms(): no params data found [ 42.642700] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.654841] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.684477] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.692330] team0: Port device team_slave_0 added [ 42.708122] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.715266] team0: Port device team_slave_1 added [ 42.721112] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.729524] IPVS: ftp: loaded support on port[0] = 21 [ 42.743038] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.749484] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.757817] device bridge_slave_0 entered promiscuous mode [ 42.764150] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.779431] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.786019] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.792841] device bridge_slave_1 entered promiscuous mode [ 42.821498] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.831931] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.887689] device hsr_slave_0 entered promiscuous mode [ 42.925889] device hsr_slave_1 entered promiscuous mode [ 42.966239] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.984024] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.990937] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.999157] team0: Port device team_slave_0 added [ 43.012207] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.019519] team0: Port device team_slave_1 added [ 43.035370] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.048255] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.062383] IPVS: ftp: loaded support on port[0] = 21 [ 43.089347] device hsr_slave_0 entered promiscuous mode [ 43.125885] device hsr_slave_1 entered promiscuous mode [ 43.193289] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.199741] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.206696] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.213042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.225047] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.233170] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.329894] chnl_net:caif_netlink_parms(): no params data found [ 43.359481] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.365882] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.372522] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.378963] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.389769] IPVS: ftp: loaded support on port[0] = 21 [ 43.399193] chnl_net:caif_netlink_parms(): no params data found [ 43.456339] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 43.462600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.504117] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.511544] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.519751] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.527962] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.534482] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.542601] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.549131] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.556313] device bridge_slave_0 entered promiscuous mode [ 43.613772] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.622655] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.630992] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.637813] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.644584] device bridge_slave_1 entered promiscuous mode [ 43.650700] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.657214] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.663982] device bridge_slave_0 entered promiscuous mode [ 43.672743] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.679272] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.686284] device bridge_slave_1 entered promiscuous mode [ 43.701203] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.729491] chnl_net:caif_netlink_parms(): no params data found [ 43.749329] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.756902] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.767896] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.776221] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.795276] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.805847] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.813992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.821682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.829469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.836682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.849139] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.856241] team0: Port device team_slave_0 added [ 43.861771] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.870793] team0: Port device team_slave_1 added [ 43.889619] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.897677] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.904560] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.911863] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.919635] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.927764] team0: Port device team_slave_0 added [ 43.938665] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.944727] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.954007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.979082] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.986231] team0: Port device team_slave_1 added [ 44.027539] device hsr_slave_0 entered promiscuous mode [ 44.065723] device hsr_slave_1 entered promiscuous mode [ 44.107807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.115721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.123254] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.129772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.137330] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.144404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.152221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.159998] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.166397] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.174172] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.182024] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.189024] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.196546] device bridge_slave_0 entered promiscuous mode [ 44.202817] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.210860] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.218632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.226846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.234389] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.240930] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.250071] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.257939] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.264281] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.271839] device bridge_slave_1 entered promiscuous mode [ 44.279056] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.286460] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.294064] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.310018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.318315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.327032] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.334512] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.340889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.353195] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.372986] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.412344] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.419985] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.437255] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.477515] device hsr_slave_0 entered promiscuous mode [ 44.515502] device hsr_slave_1 entered promiscuous mode [ 44.558121] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.582313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.592810] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.601225] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.609668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.619874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.628311] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.636387] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.643893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.652207] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.660398] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.668252] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.680764] chnl_net:caif_netlink_parms(): no params data found [ 44.698786] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.707248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.714725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.725084] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.733733] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.744951] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.762879] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.772065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.780967] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.788960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.797185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.806845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.814281] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.822156] team0: Port device team_slave_0 added [ 44.847326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.854694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.864184] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.876842] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.883805] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.891274] team0: Port device team_slave_1 added [ 44.898284] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.904680] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.912076] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.919195] device bridge_slave_0 entered promiscuous mode [ 44.930096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.937535] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.944796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.953424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.962461] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.969101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.977453] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.983459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.991797] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.000320] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.019162] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.028823] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.036130] device bridge_slave_1 entered promiscuous mode [ 45.052856] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.098017] device hsr_slave_0 entered promiscuous mode [ 45.135389] device hsr_slave_1 entered promiscuous mode [ 45.176593] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.183495] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.196136] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.209874] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.223712] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.242222] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.252938] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.279188] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.287861] team0: Port device team_slave_0 added [ 45.293305] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.300818] team0: Port device team_slave_1 added [ 45.307280] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.319820] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.346212] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.367574] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.379378] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.437446] device hsr_slave_0 entered promiscuous mode [ 45.447639] FAULT_INJECTION: forcing a failure. [ 45.447639] name failslab, interval 1, probability 0, space 0, times 1 [ 45.455706] device hsr_slave_1 entered promiscuous mode [ 45.459281] CPU: 0 PID: 6999 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 45.472352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.481704] Call Trace: [ 45.484273] dump_stack+0xf7/0x13b [ 45.487806] should_fail.cold.3+0x105/0x14b [ 45.492115] should_failslab+0xba/0xf0 [ 45.495984] kmem_cache_alloc_node_trace+0x27c/0x780 [ 45.501068] ? kasan_unpoison_shadow+0x35/0x50 [ 45.505636] __kmalloc_node+0x3c/0x70 [ 45.509417] setup_kmem_cache_node+0x105/0x3d0 [ 45.513990] __do_tune_cpucache+0x156/0x200 [ 45.518290] ? __lock_is_held+0xb5/0x140 [ 45.522325] do_tune_cpucache+0x25/0xd0 [ 45.526288] enable_cpucache+0x3e/0xd0 [ 45.530174] setup_cpu_cache+0xd4/0x1e0 [ 45.534122] __kmem_cache_create+0x18d/0x220 [ 45.538503] ? create_cache+0x3d/0x1c0 [ 45.542377] create_cache+0xb9/0x1c0 [ 45.546072] kmem_cache_create+0x1ba/0x250 [ 45.550305] copy_pid_ns+0x330/0xba0 [ 45.554011] create_new_namespaces+0x2e5/0x750 [ 45.558570] copy_namespaces+0x220/0x2b0 [ 45.562618] copy_process.part.37+0x2420/0x66e0 [ 45.567270] ? trace_hardirqs_off+0x10/0x10 [ 45.571574] ? proc_cwd_link+0x1a0/0x1a0 [ 45.575639] ? __cleanup_sighand+0x30/0x30 [ 45.579859] ? __lock_is_held+0xb5/0x140 [ 45.583912] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 45.588732] _do_fork+0x155/0xbb0 [ 45.592158] ? __sb_end_write+0xa4/0xd0 [ 45.596207] ? fork_idle+0x280/0x280 [ 45.599905] ? SyS_write+0x1c5/0x250 [ 45.603600] ? SyS_read+0x250/0x250 [ 45.607215] ? do_syscall_64+0x4c/0x5b0 [ 45.611179] ? sys_vfork+0x20/0x20 [ 45.614751] SyS_clone+0x14/0x20 [ 45.618139] do_syscall_64+0x1c9/0x5b0 [ 45.622002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.626831] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.632003] RIP: 0033:0x458c29 [ 45.635171] RSP: 002b:00007f0e438dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 45.642921] RAX: ffffffffffffffda RBX: 00007f0e438dcc90 RCX: 0000000000458c29 [ 45.650202] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 45.657451] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 45.664714] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438dd6d4 [ 45.671974] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 45.682345] enable_cpucache failed for pid_3, error 12 [ 45.687827] kmem_cache_create(pid_3) failed with error -12 [ 45.693613] CPU: 0 PID: 6999 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 45.701398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.710732] Call Trace: [ 45.713299] dump_stack+0xf7/0x13b [ 45.716903] kmem_cache_create.cold.20+0x5c/0x87 [ 45.721652] copy_pid_ns+0x330/0xba0 [ 45.725354] create_new_namespaces+0x2e5/0x750 [ 45.729933] copy_namespaces+0x220/0x2b0 [ 45.733986] copy_process.part.37+0x2420/0x66e0 [ 45.738646] ? trace_hardirqs_off+0x10/0x10 [ 45.743068] ? proc_cwd_link+0x1a0/0x1a0 [ 45.747127] ? __cleanup_sighand+0x30/0x30 [ 45.751349] ? __lock_is_held+0xb5/0x140 [ 45.755412] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 45.760288] _do_fork+0x155/0xbb0 [ 45.763721] ? __sb_end_write+0xa4/0xd0 [ 45.767686] ? fork_idle+0x280/0x280 [ 45.771439] ? SyS_write+0x1c5/0x250 [ 45.775137] ? SyS_read+0x250/0x250 [ 45.778803] ? do_syscall_64+0x4c/0x5b0 [ 45.782753] ? sys_vfork+0x20/0x20 [ 45.786271] SyS_clone+0x14/0x20 [ 45.789625] do_syscall_64+0x1c9/0x5b0 [ 45.793496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.798316] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.803478] RIP: 0033:0x458c29 [ 45.806646] RSP: 002b:00007f0e438dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 45.814338] RAX: ffffffffffffffda RBX: 00007f0e438dcc90 RCX: 0000000000458c29 [ 45.821586] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 45.828850] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 45.836143] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438dd6d4 [ 45.843405] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 45.865645] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.875478] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.883433] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.892510] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.902322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.914092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.923755] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.939462] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.946535] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.954275] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.962843] FAULT_INJECTION: forcing a failure. [ 45.962843] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 45.970256] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.974645] CPU: 1 PID: 7005 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 45.988641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.997996] Call Trace: [ 46.000583] dump_stack+0xf7/0x13b [ 46.004127] should_fail.cold.3+0x105/0x14b [ 46.004915] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.008440] ? __kmalloc_node+0x50/0x70 [ 46.008449] __alloc_pages_nodemask+0x1d5/0x770 [ 46.008457] ? find_held_lock+0x36/0x1d0 [ 46.016934] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.018300] ? __alloc_pages_slowpath+0x2660/0x2660 [ 46.018311] ? ____cache_alloc_node+0x16b/0x1e0 [ 46.025268] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.027007] ? lock_downgrade+0x7f0/0x7f0 [ 46.027019] cache_grow_begin+0x80/0x400 [ 46.035577] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.038056] ____cache_alloc_node+0x185/0x1e0 [ 46.042714] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.048745] ? __might_sleep+0x93/0xb0 [ 46.048754] kmem_cache_alloc_node_trace+0xe7/0x780 [ 46.048760] ? kasan_unpoison_shadow+0x35/0x50 [ 46.048767] __kmalloc_node+0x3c/0x70 [ 46.048773] setup_kmem_cache_node+0x105/0x3d0 [ 46.048781] __do_tune_cpucache+0x156/0x200 [ 46.048788] ? __lock_is_held+0xb5/0x140 [ 46.048793] do_tune_cpucache+0x25/0xd0 [ 46.048800] enable_cpucache+0x3e/0xd0 [ 46.056375] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.056989] setup_cpu_cache+0xd4/0x1e0 [ 46.065508] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.067500] __kmem_cache_create+0x18d/0x220 [ 46.067506] ? create_cache+0x3d/0x1c0 [ 46.067512] create_cache+0xb9/0x1c0 [ 46.075843] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.077254] kmem_cache_create+0x1ba/0x250 [ 46.077265] copy_pid_ns+0x330/0xba0 [ 46.084346] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.087001] create_new_namespaces+0x2e5/0x750 [ 46.087010] copy_namespaces+0x220/0x2b0 [ 46.087018] copy_process.part.37+0x2420/0x66e0 [ 46.087026] ? trace_hardirqs_off+0x10/0x10 [ 46.087033] ? proc_cwd_link+0x1a0/0x1a0 [ 46.087049] ? __cleanup_sighand+0x30/0x30 [ 46.094720] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.095414] ? __lock_is_held+0xb5/0x140 [ 46.095424] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 46.095433] _do_fork+0x155/0xbb0 [ 46.095439] ? __sb_end_write+0xa4/0xd0 [ 46.095446] ? fork_idle+0x280/0x280 [ 46.095455] ? SyS_write+0x1c5/0x250 [ 46.102633] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.103837] ? SyS_read+0x250/0x250 [ 46.103845] ? do_syscall_64+0x4c/0x5b0 [ 46.103852] ? sys_vfork+0x20/0x20 [ 46.110456] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.111677] SyS_clone+0x14/0x20 [ 46.111684] do_syscall_64+0x1c9/0x5b0 [ 46.111690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.124592] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.125872] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.125879] RIP: 0033:0x458c29 [ 46.125882] RSP: 002b:00007f0e438fdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.125888] RAX: ffffffffffffffda RBX: 00007f0e438fdc90 RCX: 0000000000458c29 [ 46.125891] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 46.125894] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 46.125897] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438fe6d4 [ 46.125900] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 46.321839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.328569] FAULT_INJECTION: forcing a failure. [ 46.328569] name failslab, interval 1, probability 0, space 0, times 0 [ 46.329030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.340484] CPU: 0 PID: 7011 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 46.351867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.354292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.362758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.370108] Call Trace: [ 46.370122] dump_stack+0xf7/0x13b [ 46.370132] should_fail.cold.3+0x105/0x14b [ 46.370140] should_failslab+0xba/0xf0 [ 46.370147] __kmalloc+0x2eb/0x7b0 [ 46.370156] ? __list_lru_init+0x69/0x5f0 [ 46.370163] __list_lru_init+0x69/0x5f0 [ 46.370171] sget_userns+0x3c5/0xb50 [ 46.370175] ? set_anon_super+0x10/0x10 [ 46.370179] ? get_empty_filp.cold.4+0x3a/0x3a [ 46.370185] ? proc_get_inode+0x590/0x590 [ 46.370190] mount_ns+0x5d/0x170 [ 46.370197] proc_mount+0x4b/0xa0 [ 46.370203] mount_fs+0x84/0x26e [ 46.370213] vfs_kern_mount.part.33+0x58/0x3c0 [ 46.370221] kern_mount_data+0x42/0xa0 [ 46.370226] ? alloc_pid+0x5c/0xcc0 [ 46.370230] pid_ns_prepare_proc+0x1b/0x60 [ 46.370235] alloc_pid+0x930/0xcc0 [ 46.370249] copy_process.part.37+0x2538/0x66e0 [ 46.370258] ? trace_hardirqs_off+0x10/0x10 [ 46.370262] ? proc_cwd_link+0x1a0/0x1a0 [ 46.370279] ? __cleanup_sighand+0x30/0x30 [ 46.370286] ? __lock_is_held+0xb5/0x140 [ 46.387762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.391040] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 46.396560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.398697] _do_fork+0x155/0xbb0 [ 46.403049] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.406368] ? __sb_end_write+0xa4/0xd0 [ 46.406376] ? fork_idle+0x280/0x280 [ 46.406382] ? SyS_write+0x1c5/0x250 [ 46.406387] ? SyS_read+0x250/0x250 [ 46.406395] ? do_syscall_64+0x4c/0x5b0 [ 46.406401] ? sys_vfork+0x20/0x20 [ 46.406405] SyS_clone+0x14/0x20 [ 46.406409] do_syscall_64+0x1c9/0x5b0 [ 46.406413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.406424] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.406429] RIP: 0033:0x458c29 [ 46.406431] RSP: 002b:00007f0e438dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.406438] RAX: ffffffffffffffda RBX: 00007f0e438dcc90 RCX: 0000000000458c29 [ 46.406440] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 46.406443] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 46.406446] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438dd6d4 [ 46.406449] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 46.594003] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.600396] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.607267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.612482] FAULT_INJECTION: forcing a failure. [ 46.612482] name failslab, interval 1, probability 0, space 0, times 0 [ 46.615522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.632352] CPU: 0 PID: 7019 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 46.633759] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.641220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.641223] Call Trace: [ 46.641238] dump_stack+0xf7/0x13b [ 46.641249] should_fail.cold.3+0x105/0x14b [ 46.641258] should_failslab+0xba/0xf0 [ 46.641265] __kmalloc+0x2eb/0x7b0 [ 46.641274] ? __list_lru_init+0x69/0x5f0 [ 46.641281] __list_lru_init+0x69/0x5f0 [ 46.641290] sget_userns+0x3e0/0xb50 [ 46.647618] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.656930] ? set_anon_super+0x10/0x10 [ 46.656936] ? get_empty_filp.cold.4+0x3a/0x3a [ 46.656942] ? proc_get_inode+0x590/0x590 [ 46.656947] mount_ns+0x5d/0x170 [ 46.656954] proc_mount+0x4b/0xa0 [ 46.660026] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.663051] mount_fs+0x84/0x26e [ 46.667826] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.671223] vfs_kern_mount.part.33+0x58/0x3c0 [ 46.675212] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.678868] kern_mount_data+0x42/0xa0 [ 46.683129] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.686501] ? alloc_pid+0x5c/0xcc0 [ 46.686508] pid_ns_prepare_proc+0x1b/0x60 [ 46.686512] alloc_pid+0x930/0xcc0 [ 46.686525] copy_process.part.37+0x2538/0x66e0 [ 46.686532] ? trace_hardirqs_off+0x10/0x10 [ 46.686537] ? proc_cwd_link+0x1a0/0x1a0 [ 46.686552] ? __cleanup_sighand+0x30/0x30 [ 46.686559] ? __lock_is_held+0xb5/0x140 [ 46.686569] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 46.686576] _do_fork+0x155/0xbb0 [ 46.686581] ? __sb_end_write+0xa4/0xd0 [ 46.686587] ? fork_idle+0x280/0x280 [ 46.686593] ? SyS_write+0x1c5/0x250 [ 46.686599] ? SyS_read+0x250/0x250 [ 46.686606] ? do_syscall_64+0x4c/0x5b0 [ 46.686611] ? sys_vfork+0x20/0x20 [ 46.686615] SyS_clone+0x14/0x20 [ 46.686618] do_syscall_64+0x1c9/0x5b0 [ 46.686622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.686631] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.686635] RIP: 0033:0x458c29 [ 46.686638] RSP: 002b:00007fe5ea5b8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 46.686645] RAX: ffffffffffffffda RBX: 00007fe5ea5b8c90 RCX: 0000000000458c29 [ 46.686647] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 46.686649] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 46.686652] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5b96d4 [ 46.686654] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 46.882596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.890286] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.897936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.905464] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.912803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.920304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.928315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.935851] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 2020/04/21 11:09:09 executed programs: 8 [ 46.944279] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.950678] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.962333] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.973904] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.986517] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.000794] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.008326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.017550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.025945] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.032327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.040732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.049366] FAULT_INJECTION: forcing a failure. [ 47.049366] name failslab, interval 1, probability 0, space 0, times 0 [ 47.049750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.061235] CPU: 1 PID: 7029 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 47.070551] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.075758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.075762] Call Trace: [ 47.075773] dump_stack+0xf7/0x13b [ 47.075784] should_fail.cold.3+0x105/0x14b [ 47.075794] should_failslab+0xba/0xf0 [ 47.075801] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 47.075810] ? do_raw_spin_unlock+0x16a/0x250 [ 47.075817] sget_userns+0xd1/0xb50 [ 47.075821] ? set_anon_super+0x10/0x10 [ 47.075826] ? get_empty_filp.cold.4+0x3a/0x3a [ 47.082142] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.091460] ? proc_get_inode+0x590/0x590 [ 47.091465] mount_ns+0x5d/0x170 [ 47.091471] proc_mount+0x4b/0xa0 [ 47.091477] mount_fs+0x84/0x26e [ 47.091486] vfs_kern_mount.part.33+0x58/0x3c0 [ 47.100524] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.101976] kern_mount_data+0x42/0xa0 [ 47.101982] ? alloc_pid+0x5c/0xcc0 [ 47.101989] pid_ns_prepare_proc+0x1b/0x60 [ 47.101993] alloc_pid+0x930/0xcc0 [ 47.102005] copy_process.part.37+0x2538/0x66e0 [ 47.106254] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.110520] ? trace_hardirqs_off+0x10/0x10 [ 47.110526] ? proc_cwd_link+0x1a0/0x1a0 [ 47.110544] ? __cleanup_sighand+0x30/0x30 [ 47.133073] FAULT_INJECTION: forcing a failure. [ 47.133073] name failslab, interval 1, probability 0, space 0, times 0 [ 47.133623] ? __lock_is_held+0xb5/0x140 [ 47.133635] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 47.133643] _do_fork+0x155/0xbb0 [ 47.133650] ? __sb_end_write+0xa4/0xd0 [ 47.227514] ? fork_idle+0x280/0x280 [ 47.231228] ? SyS_write+0x1c5/0x250 [ 47.234924] ? SyS_read+0x250/0x250 [ 47.238534] ? do_syscall_64+0x4c/0x5b0 [ 47.242488] ? sys_vfork+0x20/0x20 [ 47.246005] SyS_clone+0x14/0x20 [ 47.249347] do_syscall_64+0x1c9/0x5b0 [ 47.253313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.258140] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.263319] RIP: 0033:0x458c29 [ 47.266485] RSP: 002b:00007f0e438dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.274171] RAX: ffffffffffffffda RBX: 00007f0e438dcc90 RCX: 0000000000458c29 [ 47.281417] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 47.288665] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 47.295926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438dd6d4 [ 47.303183] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 47.310455] CPU: 0 PID: 7031 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 47.317855] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.318267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.328280] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.334509] Call Trace: [ 47.334523] dump_stack+0xf7/0x13b [ 47.334533] should_fail.cold.3+0x105/0x14b [ 47.347384] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.347457] should_failslab+0xba/0xf0 [ 47.354576] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.358491] __kmalloc+0x2eb/0x7b0 [ 47.358500] ? __list_lru_init+0x69/0x5f0 [ 47.358508] __list_lru_init+0x69/0x5f0 [ 47.358518] sget_userns+0x3c5/0xb50 [ 47.358522] ? set_anon_super+0x10/0x10 [ 47.358527] ? get_empty_filp.cold.4+0x3a/0x3a [ 47.358532] ? proc_get_inode+0x590/0x590 [ 47.358538] mount_ns+0x5d/0x170 [ 47.358544] proc_mount+0x4b/0xa0 [ 47.358554] mount_fs+0x84/0x26e [ 47.364515] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.372837] vfs_kern_mount.part.33+0x58/0x3c0 [ 47.372844] kern_mount_data+0x42/0xa0 [ 47.372849] ? alloc_pid+0x5c/0xcc0 [ 47.372855] pid_ns_prepare_proc+0x1b/0x60 [ 47.372860] alloc_pid+0x930/0xcc0 [ 47.372873] copy_process.part.37+0x2538/0x66e0 [ 47.372881] ? trace_hardirqs_off+0x10/0x10 [ 47.372886] ? proc_cwd_link+0x1a0/0x1a0 [ 47.372903] ? __cleanup_sighand+0x30/0x30 [ 47.372909] ? __lock_is_held+0xb5/0x140 [ 47.372919] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 47.379320] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.380580] _do_fork+0x155/0xbb0 [ 47.380588] ? __sb_end_write+0xa4/0xd0 [ 47.386660] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 47.388254] ? fork_idle+0x280/0x280 [ 47.388263] ? SyS_write+0x1c5/0x250 [ 47.388269] ? SyS_read+0x250/0x250 [ 47.393524] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.396794] ? do_syscall_64+0x4c/0x5b0 [ 47.396802] ? sys_vfork+0x20/0x20 [ 47.396806] SyS_clone+0x14/0x20 [ 47.396811] do_syscall_64+0x1c9/0x5b0 [ 47.396815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.396825] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.396829] RIP: 0033:0x458c29 [ 47.396832] RSP: 002b:00007fe5ea5b8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.396838] RAX: ffffffffffffffda RBX: 00007fe5ea5b8c90 RCX: 0000000000458c29 [ 47.396841] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 47.396843] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 47.396847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5b96d4 [ 47.396849] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 47.580030] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.590696] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 47.601206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.625505] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.633093] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.639501] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.647990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.656455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.664161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.668666] FAULT_INJECTION: forcing a failure. [ 47.668666] name failslab, interval 1, probability 0, space 0, times 0 [ 47.672929] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.683204] CPU: 0 PID: 7041 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 47.694747] FAULT_INJECTION: forcing a failure. [ 47.694747] name failslab, interval 1, probability 0, space 0, times 0 [ 47.697602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.712615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.719101] Call Trace: [ 47.719113] dump_stack+0xf7/0x13b [ 47.719123] should_fail.cold.3+0x105/0x14b [ 47.719133] should_failslab+0xba/0xf0 [ 47.719140] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 47.719146] ? sget_userns+0xd1/0xb50 [ 47.719153] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.719162] selinux_sb_alloc_security+0x44/0x200 [ 47.719168] security_sb_alloc+0x60/0x90 [ 47.748387] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.749003] sget_userns+0x14f/0xb50 [ 47.755506] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.758829] ? set_anon_super+0x10/0x10 [ 47.784659] ? get_empty_filp.cold.4+0x3a/0x3a [ 47.788136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.789228] ? proc_get_inode+0x590/0x590 [ 47.797513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.800366] mount_ns+0x5d/0x170 [ 47.810801] proc_mount+0x4b/0xa0 [ 47.814240] mount_fs+0x84/0x26e [ 47.817607] vfs_kern_mount.part.33+0x58/0x3c0 [ 47.822175] kern_mount_data+0x42/0xa0 [ 47.826042] ? alloc_pid+0x5c/0xcc0 [ 47.828463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.829654] pid_ns_prepare_proc+0x1b/0x60 [ 47.840875] alloc_pid+0x930/0xcc0 [ 47.844408] copy_process.part.37+0x2538/0x66e0 [ 47.849074] ? trace_hardirqs_off+0x10/0x10 [ 47.850779] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.853395] ? proc_cwd_link+0x1a0/0x1a0 [ 47.863960] ? __cleanup_sighand+0x30/0x30 [ 47.868192] ? __lock_is_held+0xb5/0x140 [ 47.872270] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 47.877110] _do_fork+0x155/0xbb0 [ 47.880554] ? __sb_end_write+0xa4/0xd0 [ 47.884514] ? fork_idle+0x280/0x280 [ 47.888224] ? SyS_write+0x1c5/0x250 [ 47.888556] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.891928] ? SyS_read+0x250/0x250 [ 47.901936] ? do_syscall_64+0x4c/0x5b0 [ 47.905902] ? sys_vfork+0x20/0x20 [ 47.909433] SyS_clone+0x14/0x20 [ 47.912804] do_syscall_64+0x1c9/0x5b0 [ 47.916669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.921500] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.926675] RIP: 0033:0x458c29 [ 47.929854] RSP: 002b:00007fe5ea5b8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 47.937554] RAX: ffffffffffffffda RBX: 00007fe5ea5b8c90 RCX: 0000000000458c29 [ 47.944803] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 47.952104] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 47.959364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5b96d4 [ 47.966615] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 47.973882] CPU: 1 PID: 7043 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 47.981673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.982409] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.991025] Call Trace: [ 47.991041] dump_stack+0xf7/0x13b [ 47.991051] should_fail.cold.3+0x105/0x14b [ 47.991060] should_failslab+0xba/0xf0 [ 47.991068] __kmalloc+0x2eb/0x7b0 [ 47.998662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.999700] ? __list_lru_init+0x69/0x5f0 [ 48.006206] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.007554] __list_lru_init+0x69/0x5f0 [ 48.007566] sget_userns+0x3c5/0xb50 [ 48.007571] ? set_anon_super+0x10/0x10 [ 48.007576] ? get_empty_filp.cold.4+0x3a/0x3a [ 48.007582] ? proc_get_inode+0x590/0x590 [ 48.015645] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.021878] mount_ns+0x5d/0x170 [ 48.021889] proc_mount+0x4b/0xa0 [ 48.021895] mount_fs+0x84/0x26e [ 48.021905] vfs_kern_mount.part.33+0x58/0x3c0 [ 48.021912] kern_mount_data+0x42/0xa0 [ 48.029253] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.032772] ? alloc_pid+0x5c/0xcc0 [ 48.041847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.044375] pid_ns_prepare_proc+0x1b/0x60 [ 48.044382] alloc_pid+0x930/0xcc0 [ 48.044396] copy_process.part.37+0x2538/0x66e0 [ 48.058498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.059125] ? trace_hardirqs_off+0x10/0x10 [ 48.067340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.069248] ? proc_cwd_link+0x1a0/0x1a0 [ 48.069271] ? __cleanup_sighand+0x30/0x30 [ 48.076398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.077704] ? __lock_is_held+0xb5/0x140 [ 48.077715] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 48.077725] _do_fork+0x155/0xbb0 [ 48.084137] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.087453] ? __sb_end_write+0xa4/0xd0 [ 48.087459] ? fork_idle+0x280/0x280 [ 48.087466] ? SyS_write+0x1c5/0x250 [ 48.087473] ? SyS_read+0x250/0x250 [ 48.087480] ? do_syscall_64+0x4c/0x5b0 [ 48.087486] ? sys_vfork+0x20/0x20 [ 48.087491] SyS_clone+0x14/0x20 [ 48.087496] do_syscall_64+0x1c9/0x5b0 [ 48.087501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.087510] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.087516] RIP: 0033:0x458c29 [ 48.094007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.098204] RSP: 002b:00007f0e438dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.098211] RAX: ffffffffffffffda RBX: 00007f0e438dcc90 RCX: 0000000000458c29 [ 48.098213] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 48.098216] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 48.098219] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438dd6d4 [ 48.098222] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 48.255143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.267640] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.273712] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.283552] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.291812] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.301128] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.311019] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.323927] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.332097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.340672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.348871] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.355274] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.362311] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.370593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.378388] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.384794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.391717] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.400121] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.412685] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.420975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.432620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.440711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.450813] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.460735] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.472059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.479958] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.489821] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.498806] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.507252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.515833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.523226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.538025] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.546381] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.556958] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.563240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.586074] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.592951] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.607818] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.618590] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.630373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.630822] FAULT_INJECTION: forcing a failure. [ 48.630822] name failslab, interval 1, probability 0, space 0, times 0 [ 48.643985] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.657280] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.658612] CPU: 1 PID: 7069 Comm: syz-executor.4 Not tainted 4.14.176-syzkaller #0 [ 48.664305] FAULT_INJECTION: forcing a failure. [ 48.664305] name failslab, interval 1, probability 0, space 0, times 0 [ 48.671581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.671584] Call Trace: [ 48.671594] dump_stack+0xf7/0x13b [ 48.671604] should_fail.cold.3+0x105/0x14b [ 48.671613] should_failslab+0xba/0xf0 [ 48.671620] __kmalloc+0x2eb/0x7b0 [ 48.671634] ? __list_lru_init+0x69/0x5f0 [ 48.671641] __list_lru_init+0x69/0x5f0 [ 48.671651] sget_userns+0x3c5/0xb50 [ 48.671655] ? set_anon_super+0x10/0x10 [ 48.671660] ? get_empty_filp.cold.4+0x3a/0x3a [ 48.671665] ? proc_get_inode+0x590/0x590 [ 48.671670] mount_ns+0x5d/0x170 [ 48.671677] proc_mount+0x4b/0xa0 [ 48.671683] mount_fs+0x84/0x26e [ 48.671693] vfs_kern_mount.part.33+0x58/0x3c0 [ 48.671701] kern_mount_data+0x42/0xa0 [ 48.671710] ? alloc_pid+0x5c/0xcc0 [ 48.671716] pid_ns_prepare_proc+0x1b/0x60 [ 48.671721] alloc_pid+0x930/0xcc0 [ 48.671736] copy_process.part.37+0x2538/0x66e0 [ 48.671744] ? trace_hardirqs_off+0x10/0x10 [ 48.671749] ? proc_cwd_link+0x1a0/0x1a0 [ 48.671766] ? __cleanup_sighand+0x30/0x30 [ 48.671772] ? __lock_is_held+0xb5/0x140 [ 48.671781] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 48.671789] _do_fork+0x155/0xbb0 [ 48.671793] ? __sb_end_write+0xa4/0xd0 [ 48.671799] ? fork_idle+0x280/0x280 [ 48.671806] ? SyS_write+0x1c5/0x250 [ 48.671813] ? SyS_read+0x250/0x250 [ 48.809575] ? do_syscall_64+0x4c/0x5b0 [ 48.813538] ? sys_vfork+0x20/0x20 [ 48.817059] SyS_clone+0x14/0x20 [ 48.820414] do_syscall_64+0x1c9/0x5b0 [ 48.824283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.829104] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.834268] RIP: 0033:0x458c29 [ 48.837435] RSP: 002b:00007f7a5aecac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.845119] RAX: ffffffffffffffda RBX: 00007f7a5aecac90 RCX: 0000000000458c29 [ 48.852390] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 48.859652] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 48.866897] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a5aecb6d4 [ 48.874143] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 48.881416] CPU: 0 PID: 7067 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 [ 48.884001] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.889209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.889212] Call Trace: [ 48.889223] dump_stack+0xf7/0x13b [ 48.889234] should_fail.cold.3+0x105/0x14b [ 48.889243] should_failslab+0xba/0xf0 [ 48.889251] __kmalloc+0x2eb/0x7b0 [ 48.899247] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.905334] ? __list_lru_init+0x69/0x5f0 [ 48.905341] __list_lru_init+0x69/0x5f0 [ 48.905350] sget_userns+0x3c5/0xb50 [ 48.905353] ? set_anon_super+0x10/0x10 [ 48.905358] ? get_empty_filp.cold.4+0x3a/0x3a [ 48.905364] ? proc_get_inode+0x590/0x590 [ 48.905368] mount_ns+0x5d/0x170 [ 48.905375] proc_mount+0x4b/0xa0 [ 48.905381] mount_fs+0x84/0x26e [ 48.905390] vfs_kern_mount.part.33+0x58/0x3c0 [ 48.905397] kern_mount_data+0x42/0xa0 [ 48.909991] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.911490] ? alloc_pid+0x5c/0xcc0 [ 48.917015] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.919659] pid_ns_prepare_proc+0x1b/0x60 [ 48.923173] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.929814] alloc_pid+0x930/0xcc0 [ 48.929827] copy_process.part.37+0x2538/0x66e0 [ 48.929835] ? trace_hardirqs_off+0x10/0x10 [ 48.929840] ? proc_cwd_link+0x1a0/0x1a0 [ 48.929855] ? __cleanup_sighand+0x30/0x30 [ 48.929860] ? __lock_is_held+0xb5/0x140 [ 48.929869] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 48.929877] _do_fork+0x155/0xbb0 [ 48.929883] ? __sb_end_write+0xa4/0xd0 [ 48.929890] ? fork_idle+0x280/0x280 [ 48.929896] ? SyS_write+0x1c5/0x250 [ 48.929903] ? SyS_read+0x250/0x250 [ 48.929910] ? do_syscall_64+0x4c/0x5b0 [ 48.929921] ? sys_vfork+0x20/0x20 [ 48.929924] SyS_clone+0x14/0x20 [ 48.929929] do_syscall_64+0x1c9/0x5b0 [ 48.929933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.929943] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.929947] RIP: 0033:0x458c29 [ 48.929949] RSP: 002b:00007fba40604c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 48.929954] RAX: ffffffffffffffda RBX: 00007fba40604c90 RCX: 0000000000458c29 [ 48.929957] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 48.929959] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 48.929962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba406056d4 [ 48.929964] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 49.133091] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.146234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.160170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.168340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.176933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.184786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.192252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.200390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.209644] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.220891] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.271630] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.430398] FAULT_INJECTION: forcing a failure. [ 50.430398] name failslab, interval 1, probability 0, space 0, times 0 [ 50.446558] CPU: 1 PID: 7089 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0 [ 50.454385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.463739] Call Trace: [ 50.466326] dump_stack+0xf7/0x13b [ 50.469868] should_fail.cold.3+0x105/0x14b [ 50.474223] should_failslab+0xba/0xf0 [ 50.478122] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 50.482074] FAULT_INJECTION: forcing a failure. [ 50.482074] name failslab, interval 1, probability 0, space 0, times 0 [ 50.482783] ? sget_userns+0xd1/0xb50 [ 50.482791] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.482801] selinux_sb_alloc_security+0x44/0x200 [ 50.507584] security_sb_alloc+0x60/0x90 [ 50.511623] sget_userns+0x14f/0xb50 [ 50.515311] ? set_anon_super+0x10/0x10 [ 50.519262] ? get_empty_filp.cold.4+0x3a/0x3a [ 50.523822] ? proc_get_inode+0x590/0x590 [ 50.527945] mount_ns+0x5d/0x170 [ 50.531289] proc_mount+0x4b/0xa0 [ 50.534719] mount_fs+0x84/0x26e [ 50.538065] vfs_kern_mount.part.33+0x58/0x3c0 [ 50.542635] kern_mount_data+0x42/0xa0 [ 50.546496] ? alloc_pid+0x5c/0xcc0 [ 50.550099] pid_ns_prepare_proc+0x1b/0x60 [ 50.554310] alloc_pid+0x930/0xcc0 [ 50.557833] copy_process.part.37+0x2538/0x66e0 [ 50.562479] ? trace_hardirqs_off+0x10/0x10 [ 50.566791] ? proc_cwd_link+0x1a0/0x1a0 [ 50.570835] ? __cleanup_sighand+0x30/0x30 [ 50.575047] ? __lock_is_held+0xb5/0x140 [ 50.579088] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 50.583929] _do_fork+0x155/0xbb0 [ 50.587365] ? __sb_end_write+0xa4/0xd0 [ 50.591316] ? fork_idle+0x280/0x280 [ 50.595103] ? SyS_write+0x1c5/0x250 [ 50.598803] ? SyS_read+0x250/0x250 [ 50.602406] ? do_syscall_64+0x4c/0x5b0 [ 50.606358] ? sys_vfork+0x20/0x20 [ 50.611002] SyS_clone+0x14/0x20 [ 50.614378] do_syscall_64+0x1c9/0x5b0 [ 50.618241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.623063] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.628228] RIP: 0033:0x458c29 [ 50.631394] RSP: 002b:00007f0c84564c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.639079] RAX: ffffffffffffffda RBX: 00007f0c84564c90 RCX: 0000000000458c29 [ 50.646337] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 50.653598] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 50.660864] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c845656d4 [ 50.668113] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 50.675382] CPU: 0 PID: 7092 Comm: syz-executor.2 Not tainted 4.14.176-syzkaller #0 [ 50.683175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.692526] Call Trace: [ 50.695121] dump_stack+0xf7/0x13b [ 50.698682] should_fail.cold.3+0x105/0x14b [ 50.703007] should_failslab+0xba/0xf0 [ 50.706891] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 50.711561] ? sget_userns+0xd1/0xb50 [ 50.715360] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.720459] selinux_sb_alloc_security+0x44/0x200 [ 50.725297] security_sb_alloc+0x60/0x90 [ 50.729437] sget_userns+0x14f/0xb50 [ 50.733133] ? set_anon_super+0x10/0x10 [ 50.737087] ? get_empty_filp.cold.4+0x3a/0x3a [ 50.741737] ? proc_get_inode+0x590/0x590 [ 50.745866] mount_ns+0x5d/0x170 [ 50.749247] proc_mount+0x4b/0xa0 [ 50.752715] mount_fs+0x84/0x26e [ 50.756070] vfs_kern_mount.part.33+0x58/0x3c0 [ 50.760643] kern_mount_data+0x42/0xa0 [ 50.764530] ? alloc_pid+0x5c/0xcc0 [ 50.768926] pid_ns_prepare_proc+0x1b/0x60 [ 50.773183] alloc_pid+0x930/0xcc0 [ 50.776713] copy_process.part.37+0x2538/0x66e0 [ 50.781364] ? trace_hardirqs_off+0x10/0x10 [ 50.785693] ? proc_cwd_link+0x1a0/0x1a0 [ 50.789735] ? __cleanup_sighand+0x30/0x30 [ 50.793943] ? __lock_is_held+0xb5/0x140 [ 50.797984] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 50.802806] _do_fork+0x155/0xbb0 [ 50.806234] ? __sb_end_write+0xa4/0xd0 [ 50.810182] ? fork_idle+0x280/0x280 [ 50.813869] ? SyS_write+0x1c5/0x250 [ 50.817557] ? SyS_read+0x250/0x250 [ 50.821160] ? do_syscall_64+0x4c/0x5b0 [ 50.825109] ? sys_vfork+0x20/0x20 [ 50.828636] SyS_clone+0x14/0x20 [ 50.831986] do_syscall_64+0x1c9/0x5b0 [ 50.835852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.840687] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.845865] RIP: 0033:0x458c29 [ 50.849028] RSP: 002b:00007f846a95ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.856715] RAX: ffffffffffffffda RBX: 00007f846a95ec90 RCX: 0000000000458c29 [ 50.863978] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 50.871234] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 50.878492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f846a95f6d4 [ 50.885737] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 50.920175] FAULT_INJECTION: forcing a failure. [ 50.920175] name failslab, interval 1, probability 0, space 0, times 0 [ 50.927037] FAULT_INJECTION: forcing a failure. [ 50.927037] name failslab, interval 1, probability 0, space 0, times 0 [ 50.934054] FAULT_INJECTION: forcing a failure. [ 50.934054] name failslab, interval 1, probability 0, space 0, times 0 [ 50.947228] FAULT_INJECTION: forcing a failure. [ 50.947228] name failslab, interval 1, probability 0, space 0, times 0 [ 50.954739] FAULT_INJECTION: forcing a failure. [ 50.954739] name failslab, interval 1, probability 0, space 0, times 0 [ 50.972339] FAULT_INJECTION: forcing a failure. [ 50.972339] name failslab, interval 1, probability 0, space 0, times 0 [ 50.976853] CPU: 0 PID: 7108 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 [ 50.995563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.005009] Call Trace: [ 51.007592] dump_stack+0xf7/0x13b [ 51.011146] should_fail.cold.3+0x105/0x14b [ 51.015450] should_failslab+0xba/0xf0 [ 51.019316] kmem_cache_alloc+0x2d1/0x790 [ 51.023447] ? lock_downgrade+0x7f0/0x7f0 [ 51.027599] alloc_vfsmnt+0x25/0x750 [ 51.031294] vfs_kern_mount.part.33+0x2d/0x3c0 [ 51.035855] kern_mount_data+0x42/0xa0 [ 51.039718] ? alloc_pid+0x5c/0xcc0 [ 51.043322] pid_ns_prepare_proc+0x1b/0x60 [ 51.047535] alloc_pid+0x930/0xcc0 [ 51.051069] copy_process.part.37+0x2538/0x66e0 [ 51.055726] ? trace_hardirqs_off+0x10/0x10 [ 51.060036] ? proc_cwd_link+0x1a0/0x1a0 [ 51.064090] ? __cleanup_sighand+0x30/0x30 [ 51.068308] ? __lock_is_held+0xb5/0x140 [ 51.072348] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 51.077168] _do_fork+0x155/0xbb0 [ 51.080602] ? __sb_end_write+0xa4/0xd0 [ 51.084567] ? fork_idle+0x280/0x280 [ 51.088269] ? SyS_write+0x1c5/0x250 [ 51.091963] ? SyS_read+0x250/0x250 [ 51.095582] ? do_syscall_64+0x4c/0x5b0 [ 51.099532] ? sys_vfork+0x20/0x20 [ 51.103046] SyS_clone+0x14/0x20 [ 51.106395] do_syscall_64+0x1c9/0x5b0 [ 51.110264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.115093] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.120868] RIP: 0033:0x458c29 [ 51.124049] RSP: 002b:00007fba40604c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.131845] RAX: ffffffffffffffda RBX: 00007fba40604c90 RCX: 0000000000458c29 [ 51.139093] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 51.146364] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 51.153618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba406056d4 [ 51.160866] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 51.168141] CPU: 1 PID: 7118 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 51.175948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.185292] Call Trace: [ 51.187861] dump_stack+0xf7/0x13b [ 51.192249] should_fail.cold.3+0x105/0x14b [ 51.196548] should_failslab+0xba/0xf0 [ 51.200412] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 51.205058] ? sget_userns+0xd1/0xb50 [ 51.208840] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.213838] selinux_sb_alloc_security+0x44/0x200 [ 51.218693] security_sb_alloc+0x60/0x90 [ 51.222741] sget_userns+0x14f/0xb50 [ 51.226524] ? set_anon_super+0x10/0x10 [ 51.230494] ? get_empty_filp.cold.4+0x3a/0x3a [ 51.235054] ? proc_get_inode+0x590/0x590 [ 51.239272] mount_ns+0x5d/0x170 [ 51.242638] proc_mount+0x4b/0xa0 [ 51.246070] mount_fs+0x84/0x26e [ 51.249416] vfs_kern_mount.part.33+0x58/0x3c0 [ 51.253982] kern_mount_data+0x42/0xa0 [ 51.257860] ? alloc_pid+0x5c/0xcc0 [ 51.261463] pid_ns_prepare_proc+0x1b/0x60 [ 51.265691] alloc_pid+0x930/0xcc0 [ 51.269219] copy_process.part.37+0x2538/0x66e0 [ 51.273870] ? trace_hardirqs_off+0x10/0x10 [ 51.278167] ? proc_cwd_link+0x1a0/0x1a0 [ 51.282213] ? __cleanup_sighand+0x30/0x30 [ 51.286423] ? __lock_is_held+0xb5/0x140 [ 51.290476] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 51.295296] _do_fork+0x155/0xbb0 [ 51.298728] ? __sb_end_write+0xa4/0xd0 [ 51.302701] ? fork_idle+0x280/0x280 [ 51.306389] ? SyS_write+0x1c5/0x250 [ 51.310079] ? SyS_read+0x250/0x250 [ 51.313697] ? do_syscall_64+0x4c/0x5b0 [ 51.317648] ? sys_vfork+0x20/0x20 [ 51.321174] SyS_clone+0x14/0x20 [ 51.324517] do_syscall_64+0x1c9/0x5b0 [ 51.328381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.333200] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.338370] RIP: 0033:0x458c29 [ 51.341548] RSP: 002b:00007fe5ea5b8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.349418] RAX: ffffffffffffffda RBX: 00007fe5ea5b8c90 RCX: 0000000000458c29 [ 51.356665] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 51.363918] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 51.371170] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5b96d4 [ 51.378416] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000003 [ 51.385682] CPU: 0 PID: 7106 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 51.393477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.402834] Call Trace: [ 51.405411] dump_stack+0xf7/0x13b [ 51.408937] should_fail.cold.3+0x105/0x14b [ 51.413250] should_failslab+0xba/0xf0 [ 51.417160] __kmalloc+0x2eb/0x7b0 [ 51.420687] ? __list_lru_init+0x69/0x5f0 [ 51.424817] __list_lru_init+0x69/0x5f0 [ 51.428786] sget_userns+0x3c5/0xb50 [ 51.432480] ? set_anon_super+0x10/0x10 [ 51.436446] ? get_empty_filp.cold.4+0x3a/0x3a [ 51.441017] ? proc_get_inode+0x590/0x590 [ 51.445153] mount_ns+0x5d/0x170 [ 51.448505] proc_mount+0x4b/0xa0 [ 51.451949] mount_fs+0x84/0x26e [ 51.455310] vfs_kern_mount.part.33+0x58/0x3c0 [ 51.459885] kern_mount_data+0x42/0xa0 [ 51.463761] ? alloc_pid+0x5c/0xcc0 [ 51.467367] pid_ns_prepare_proc+0x1b/0x60 [ 51.471625] alloc_pid+0x930/0xcc0 [ 51.475169] copy_process.part.37+0x2538/0x66e0 [ 51.479832] ? trace_hardirqs_off+0x10/0x10 [ 51.484144] ? proc_cwd_link+0x1a0/0x1a0 [ 51.488200] ? __cleanup_sighand+0x30/0x30 [ 51.492416] ? __lock_is_held+0xb5/0x140 [ 51.496466] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 51.501303] _do_fork+0x155/0xbb0 [ 51.504829] ? __sb_end_write+0xa4/0xd0 [ 51.508793] ? fork_idle+0x280/0x280 [ 51.512494] ? SyS_write+0x1c5/0x250 [ 51.516188] ? SyS_read+0x250/0x250 [ 51.519795] ? do_syscall_64+0x4c/0x5b0 [ 51.527330] ? sys_vfork+0x20/0x20 [ 51.530869] SyS_clone+0x14/0x20 [ 51.534219] do_syscall_64+0x1c9/0x5b0 [ 51.538116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.542940] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.548108] RIP: 0033:0x458c29 [ 51.551286] RSP: 002b:00007f0e438fdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.558977] RAX: ffffffffffffffda RBX: 00007f0e438fdc90 RCX: 0000000000458c29 [ 51.566255] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 51.573506] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 51.580769] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438fe6d4 [ 51.588017] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 51.597963] CPU: 0 PID: 7107 Comm: syz-executor.2 Not tainted 4.14.176-syzkaller #0 [ 51.605783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.615135] Call Trace: [ 51.617710] dump_stack+0xf7/0x13b [ 51.621252] should_fail.cold.3+0x105/0x14b [ 51.625553] should_failslab+0xba/0xf0 [ 51.629417] __kmalloc+0x2eb/0x7b0 [ 51.632941] ? __list_lru_init+0x69/0x5f0 [ 51.637085] __list_lru_init+0x69/0x5f0 [ 51.641040] sget_userns+0x3c5/0xb50 [ 51.644731] ? set_anon_super+0x10/0x10 [ 51.648683] ? get_empty_filp.cold.4+0x3a/0x3a [ 51.653253] ? proc_get_inode+0x590/0x590 [ 51.657382] mount_ns+0x5d/0x170 [ 51.660726] proc_mount+0x4b/0xa0 [ 51.664153] mount_fs+0x84/0x26e [ 51.667498] vfs_kern_mount.part.33+0x58/0x3c0 [ 51.672057] kern_mount_data+0x42/0xa0 [ 51.675923] ? alloc_pid+0x5c/0xcc0 [ 51.679526] pid_ns_prepare_proc+0x1b/0x60 [ 51.683736] alloc_pid+0x930/0xcc0 [ 51.687256] copy_process.part.37+0x2538/0x66e0 [ 51.691904] ? trace_hardirqs_off+0x10/0x10 [ 51.696209] ? proc_cwd_link+0x1a0/0x1a0 [ 51.700253] ? __cleanup_sighand+0x30/0x30 [ 51.704472] ? __lock_is_held+0xb5/0x140 [ 51.708517] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 51.713337] _do_fork+0x155/0xbb0 [ 51.716767] ? __sb_end_write+0xa4/0xd0 [ 51.720719] ? fork_idle+0x280/0x280 [ 51.724429] ? SyS_write+0x1c5/0x250 [ 51.728122] ? SyS_read+0x250/0x250 [ 51.731746] ? do_syscall_64+0x4c/0x5b0 [ 51.735724] ? sys_vfork+0x20/0x20 [ 51.739238] SyS_clone+0x14/0x20 [ 51.742592] do_syscall_64+0x1c9/0x5b0 [ 51.746451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.751273] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.756698] RIP: 0033:0x458c29 [ 51.759883] RSP: 002b:00007f846a95ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.767568] RAX: ffffffffffffffda RBX: 00007f846a95ec90 RCX: 0000000000458c29 [ 51.774827] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 51.782085] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 51.789330] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f846a95f6d4 [ 51.796594] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 51.812964] CPU: 1 PID: 7112 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0 [ 51.821740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.831181] Call Trace: [ 51.833521] FAULT_INJECTION: forcing a failure. [ 51.833521] name failslab, interval 1, probability 0, space 0, times 0 [ 51.833785] dump_stack+0xf7/0x13b [ 51.848495] should_fail.cold.3+0x105/0x14b [ 51.852823] should_failslab+0xba/0xf0 [ 51.856708] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 51.861377] ? sget_userns+0xd1/0xb50 [ 51.865183] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.870190] selinux_sb_alloc_security+0x44/0x200 [ 51.875013] security_sb_alloc+0x60/0x90 [ 51.879058] sget_userns+0x14f/0xb50 [ 51.882752] ? set_anon_super+0x10/0x10 [ 51.886707] ? get_empty_filp.cold.4+0x3a/0x3a [ 51.891265] ? proc_get_inode+0x590/0x590 [ 51.895476] mount_ns+0x5d/0x170 [ 51.898832] proc_mount+0x4b/0xa0 [ 51.902265] mount_fs+0x84/0x26e [ 51.905612] vfs_kern_mount.part.33+0x58/0x3c0 [ 51.910176] kern_mount_data+0x42/0xa0 [ 51.914045] ? alloc_pid+0x5c/0xcc0 [ 51.917659] pid_ns_prepare_proc+0x1b/0x60 [ 51.921871] alloc_pid+0x930/0xcc0 [ 51.925392] copy_process.part.37+0x2538/0x66e0 [ 51.930043] ? trace_hardirqs_off+0x10/0x10 [ 51.934356] ? proc_cwd_link+0x1a0/0x1a0 [ 51.938416] ? __cleanup_sighand+0x30/0x30 [ 51.942627] ? __lock_is_held+0xb5/0x140 [ 51.946669] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 51.951491] _do_fork+0x155/0xbb0 [ 51.954931] ? __sb_end_write+0xa4/0xd0 [ 51.958900] ? fork_idle+0x280/0x280 [ 51.962592] ? SyS_write+0x1c5/0x250 [ 51.966292] ? SyS_read+0x250/0x250 [ 51.969908] ? do_syscall_64+0x4c/0x5b0 [ 51.973866] ? sys_vfork+0x20/0x20 [ 51.977380] SyS_clone+0x14/0x20 [ 51.980721] do_syscall_64+0x1c9/0x5b0 [ 51.984581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.989412] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.994576] RIP: 0033:0x458c29 [ 51.997743] RSP: 002b:00007f0c84564c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.005426] RAX: ffffffffffffffda RBX: 00007f0c84564c90 RCX: 0000000000458c29 [ 52.012679] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 52.019937] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 52.027187] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c845656d4 2020/04/21 11:09:14 executed programs: 19 [ 52.034440] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 52.041716] CPU: 0 PID: 7122 Comm: syz-executor.2 Not tainted 4.14.176-syzkaller #0 [ 52.049536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.058881] Call Trace: [ 52.061461] dump_stack+0xf7/0x13b [ 52.064993] should_fail.cold.3+0x105/0x14b [ 52.069309] should_failslab+0xba/0xf0 [ 52.073192] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 52.077863] ? sget_userns+0xd1/0xb50 [ 52.081667] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.086697] selinux_sb_alloc_security+0x44/0x200 [ 52.091536] security_sb_alloc+0x60/0x90 [ 52.095590] sget_userns+0x14f/0xb50 [ 52.099290] ? set_anon_super+0x10/0x10 [ 52.103244] ? get_empty_filp.cold.4+0x3a/0x3a [ 52.107807] ? proc_get_inode+0x590/0x590 [ 52.111932] mount_ns+0x5d/0x170 [ 52.115275] proc_mount+0x4b/0xa0 [ 52.118704] mount_fs+0x84/0x26e [ 52.122048] vfs_kern_mount.part.33+0x58/0x3c0 [ 52.126619] kern_mount_data+0x42/0xa0 [ 52.130486] ? alloc_pid+0x5c/0xcc0 [ 52.134091] pid_ns_prepare_proc+0x1b/0x60 [ 52.138301] alloc_pid+0x930/0xcc0 [ 52.141830] copy_process.part.37+0x2538/0x66e0 [ 52.146491] ? trace_hardirqs_off+0x10/0x10 [ 52.150792] ? proc_cwd_link+0x1a0/0x1a0 [ 52.154837] ? __cleanup_sighand+0x30/0x30 [ 52.159053] ? __lock_is_held+0xb5/0x140 [ 52.163094] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 52.167934] _do_fork+0x155/0xbb0 [ 52.171387] ? __sb_end_write+0xa4/0xd0 [ 52.175361] ? fork_idle+0x280/0x280 [ 52.179068] ? SyS_write+0x1c5/0x250 [ 52.182774] ? SyS_read+0x250/0x250 [ 52.186759] ? do_syscall_64+0x4c/0x5b0 [ 52.190719] ? sys_vfork+0x20/0x20 [ 52.194248] SyS_clone+0x14/0x20 [ 52.197611] do_syscall_64+0x1c9/0x5b0 [ 52.201492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.206334] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.211521] RIP: 0033:0x458c29 [ 52.214708] RSP: 002b:00007f846a95ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.222407] RAX: ffffffffffffffda RBX: 00007f846a95ec90 RCX: 0000000000458c29 [ 52.229677] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 52.236928] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 52.244178] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f846a95f6d4 [ 52.251437] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 52.258712] CPU: 1 PID: 7111 Comm: syz-executor.4 Not tainted 4.14.176-syzkaller #0 [ 52.266508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.271577] FAULT_INJECTION: forcing a failure. [ 52.271577] name failslab, interval 1, probability 0, space 0, times 0 [ 52.275870] Call Trace: [ 52.275882] dump_stack+0xf7/0x13b [ 52.275893] should_fail.cold.3+0x105/0x14b [ 52.275903] should_failslab+0xba/0xf0 [ 52.275910] __kmalloc+0x2eb/0x7b0 [ 52.275920] ? __list_lru_init+0x69/0x5f0 [ 52.275927] __list_lru_init+0x69/0x5f0 [ 52.275936] sget_userns+0x3c5/0xb50 [ 52.316614] ? set_anon_super+0x10/0x10 [ 52.320572] ? get_empty_filp.cold.4+0x3a/0x3a [ 52.325130] ? proc_get_inode+0x590/0x590 [ 52.329255] mount_ns+0x5d/0x170 [ 52.332686] proc_mount+0x4b/0xa0 [ 52.336134] mount_fs+0x84/0x26e [ 52.339493] vfs_kern_mount.part.33+0x58/0x3c0 [ 52.344051] kern_mount_data+0x42/0xa0 [ 52.347916] ? alloc_pid+0x5c/0xcc0 [ 52.351518] pid_ns_prepare_proc+0x1b/0x60 [ 52.355730] alloc_pid+0x930/0xcc0 [ 52.359266] copy_process.part.37+0x2538/0x66e0 [ 52.363931] ? trace_hardirqs_off+0x10/0x10 [ 52.368235] ? proc_cwd_link+0x1a0/0x1a0 [ 52.372297] ? __cleanup_sighand+0x30/0x30 [ 52.376524] ? __lock_is_held+0xb5/0x140 [ 52.380564] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 52.385398] _do_fork+0x155/0xbb0 [ 52.388827] ? __sb_end_write+0xa4/0xd0 [ 52.392779] ? fork_idle+0x280/0x280 [ 52.396487] ? SyS_write+0x1c5/0x250 [ 52.400181] ? SyS_read+0x250/0x250 [ 52.403789] ? do_syscall_64+0x4c/0x5b0 [ 52.407740] ? sys_vfork+0x20/0x20 [ 52.411270] SyS_clone+0x14/0x20 [ 52.414622] do_syscall_64+0x1c9/0x5b0 [ 52.418490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.423313] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.428486] RIP: 0033:0x458c29 [ 52.431826] RSP: 002b:00007f7a5aeebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.439510] RAX: ffffffffffffffda RBX: 00007f7a5aeebc90 RCX: 0000000000458c29 [ 52.446857] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 52.454886] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 52.462144] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a5aeec6d4 [ 52.469405] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 52.476684] CPU: 0 PID: 7129 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 52.484480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.493839] Call Trace: [ 52.496423] dump_stack+0xf7/0x13b [ 52.499958] should_fail.cold.3+0x105/0x14b [ 52.504276] should_failslab+0xba/0xf0 [ 52.508161] __kmalloc+0x2eb/0x7b0 [ 52.511702] ? __list_lru_init+0x69/0x5f0 [ 52.515859] __list_lru_init+0x69/0x5f0 [ 52.519845] sget_userns+0x3c5/0xb50 [ 52.523551] ? set_anon_super+0x10/0x10 [ 52.527521] ? get_empty_filp.cold.4+0x3a/0x3a [ 52.532098] ? proc_get_inode+0x590/0x590 [ 52.536240] mount_ns+0x5d/0x170 [ 52.539603] proc_mount+0x4b/0xa0 [ 52.543060] mount_fs+0x84/0x26e [ 52.546434] vfs_kern_mount.part.33+0x58/0x3c0 [ 52.551019] kern_mount_data+0x42/0xa0 [ 52.554897] ? alloc_pid+0x5c/0xcc0 [ 52.558515] pid_ns_prepare_proc+0x1b/0x60 [ 52.562743] alloc_pid+0x930/0xcc0 [ 52.566283] copy_process.part.37+0x2538/0x66e0 [ 52.570949] ? trace_hardirqs_off+0x10/0x10 [ 52.575290] ? proc_cwd_link+0x1a0/0x1a0 [ 52.579359] ? __cleanup_sighand+0x30/0x30 [ 52.583596] ? __lock_is_held+0xb5/0x140 [ 52.587656] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 52.592495] _do_fork+0x155/0xbb0 [ 52.595938] ? __sb_end_write+0xa4/0xd0 [ 52.599906] ? fork_idle+0x280/0x280 [ 52.603613] ? SyS_write+0x1c5/0x250 [ 52.607315] ? SyS_read+0x250/0x250 [ 52.610937] ? do_syscall_64+0x4c/0x5b0 [ 52.613669] FAULT_INJECTION: forcing a failure. [ 52.613669] name failslab, interval 1, probability 0, space 0, times 0 [ 52.614904] ? sys_vfork+0x20/0x20 [ 52.614909] SyS_clone+0x14/0x20 [ 52.614914] do_syscall_64+0x1c9/0x5b0 [ 52.614918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.614936] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.614941] RIP: 0033:0x458c29 [ 52.614947] RSP: 002b:00007f0e438fdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.614953] RAX: ffffffffffffffda RBX: 00007f0e438fdc90 RCX: 0000000000458c29 [ 52.614956] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 52.614959] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 52.614961] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438fe6d4 [ 52.614969] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 52.635482] FAULT_INJECTION: forcing a failure. [ 52.635482] name failslab, interval 1, probability 0, space 0, times 0 [ 52.638419] FAULT_INJECTION: forcing a failure. [ 52.638419] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.641901] CPU: 0 PID: 7143 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 52.728670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.738030] Call Trace: [ 52.740612] dump_stack+0xf7/0x13b [ 52.744142] should_fail.cold.3+0x105/0x14b [ 52.748446] should_failslab+0xba/0xf0 [ 52.752322] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 52.756967] ? sget_userns+0xd1/0xb50 [ 52.760745] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.765739] selinux_sb_alloc_security+0x44/0x200 [ 52.770556] security_sb_alloc+0x60/0x90 [ 52.774591] sget_userns+0x14f/0xb50 [ 52.778279] ? set_anon_super+0x10/0x10 [ 52.782229] ? get_empty_filp.cold.4+0x3a/0x3a [ 52.786785] ? proc_get_inode+0x590/0x590 [ 52.790923] mount_ns+0x5d/0x170 [ 52.794275] proc_mount+0x4b/0xa0 [ 52.797712] mount_fs+0x84/0x26e [ 52.801062] vfs_kern_mount.part.33+0x58/0x3c0 [ 52.805641] kern_mount_data+0x42/0xa0 [ 52.809505] ? alloc_pid+0x5c/0xcc0 [ 52.813107] pid_ns_prepare_proc+0x1b/0x60 [ 52.817316] alloc_pid+0x930/0xcc0 [ 52.820944] copy_process.part.37+0x2538/0x66e0 [ 52.825600] ? trace_hardirqs_off+0x10/0x10 [ 52.829907] ? proc_cwd_link+0x1a0/0x1a0 [ 52.833950] ? __cleanup_sighand+0x30/0x30 [ 52.838159] ? __lock_is_held+0xb5/0x140 [ 52.842193] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 52.847011] _do_fork+0x155/0xbb0 [ 52.850449] ? __sb_end_write+0xa4/0xd0 [ 52.854400] ? fork_idle+0x280/0x280 [ 52.858090] ? SyS_write+0x1c5/0x250 [ 52.861779] ? SyS_read+0x250/0x250 [ 52.865383] ? do_syscall_64+0x4c/0x5b0 [ 52.869333] ? sys_vfork+0x20/0x20 [ 52.872860] SyS_clone+0x14/0x20 [ 52.876230] do_syscall_64+0x1c9/0x5b0 [ 52.880090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.884909] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.890085] RIP: 0033:0x458c29 [ 52.893252] RSP: 002b:00007fe5ea5d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 52.900938] RAX: ffffffffffffffda RBX: 00007fe5ea5d9c90 RCX: 0000000000458c29 [ 52.908187] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 52.915442] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 52.922695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5da6d4 [ 52.929942] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 52.937204] CPU: 1 PID: 7137 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 [ 52.944996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.954345] Call Trace: [ 52.956931] dump_stack+0xf7/0x13b [ 52.961801] should_fail.cold.3+0x105/0x14b [ 52.966130] __alloc_pages_nodemask+0x1d5/0x770 [ 52.970845] ? find_held_lock+0x36/0x1d0 [ 52.974906] ? __alloc_pages_slowpath+0x2660/0x2660 [ 52.975677] FAULT_INJECTION: forcing a failure. [ 52.975677] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.979932] ? lock_downgrade+0x7f0/0x7f0 [ 52.979944] cache_grow_begin+0x80/0x400 [ 52.979952] kmem_cache_alloc_trace+0x6d0/0x7b0 [ 52.992480] FAULT_INJECTION: forcing a failure. [ 52.992480] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.996035] sget_userns+0xd1/0xb50 [ 52.996040] ? set_anon_super+0x10/0x10 [ 52.996045] ? get_empty_filp.cold.4+0x3a/0x3a [ 52.996051] ? proc_get_inode+0x590/0x590 [ 52.996055] mount_ns+0x5d/0x170 [ 52.996062] proc_mount+0x4b/0xa0 [ 52.996067] mount_fs+0x84/0x26e [ 52.996077] vfs_kern_mount.part.33+0x58/0x3c0 [ 52.996084] kern_mount_data+0x42/0xa0 [ 52.996088] ? alloc_pid+0x5c/0xcc0 [ 52.996093] pid_ns_prepare_proc+0x1b/0x60 [ 53.007983] FAULT_INJECTION: forcing a failure. [ 53.007983] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.016562] alloc_pid+0x930/0xcc0 [ 53.016576] copy_process.part.37+0x2538/0x66e0 [ 53.016584] ? trace_hardirqs_off+0x10/0x10 [ 53.016590] ? proc_cwd_link+0x1a0/0x1a0 [ 53.016606] ? __cleanup_sighand+0x30/0x30 [ 53.091876] ? __lock_is_held+0xb5/0x140 [ 53.095917] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 53.100741] _do_fork+0x155/0xbb0 [ 53.104180] ? __sb_end_write+0xa4/0xd0 [ 53.108132] ? fork_idle+0x280/0x280 [ 53.111819] ? SyS_write+0x1c5/0x250 [ 53.115520] ? SyS_read+0x250/0x250 [ 53.119141] ? do_syscall_64+0x4c/0x5b0 [ 53.123093] ? sys_vfork+0x20/0x20 [ 53.126621] SyS_clone+0x14/0x20 [ 53.129962] do_syscall_64+0x1c9/0x5b0 [ 53.133823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.138645] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.143809] RIP: 0033:0x458c29 [ 53.146977] RSP: 002b:00007fba40604c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.154663] RAX: ffffffffffffffda RBX: 00007fba40604c90 RCX: 0000000000458c29 [ 53.161930] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 53.169183] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 53.176444] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba406056d4 [ 53.183693] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 53.190957] CPU: 0 PID: 7151 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 53.198765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.208122] Call Trace: [ 53.210710] dump_stack+0xf7/0x13b [ 53.214253] should_fail.cold.3+0x105/0x14b [ 53.218579] ? __might_sleep+0x93/0xb0 [ 53.222481] __alloc_pages_nodemask+0x1d5/0x770 [ 53.227155] ? __alloc_pages_slowpath+0x2660/0x2660 [ 53.232176] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.237194] ? __alloc_pages_nodemask+0x61c/0x770 [ 53.242034] alloc_pages_current+0xd6/0x1b0 [ 53.246385] __get_free_pages+0xf/0x40 [ 53.250270] get_zeroed_page+0x11/0x20 [ 53.254153] selinux_sb_copy_data+0x25/0x350 [ 53.258573] security_sb_copy_data+0x68/0xa0 [ 53.262974] mount_fs+0x1ba/0x26e [ 53.266425] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.271038] kern_mount_data+0x42/0xa0 [ 53.274923] ? alloc_pid+0x5c/0xcc0 [ 53.278543] pid_ns_prepare_proc+0x1b/0x60 [ 53.282768] alloc_pid+0x930/0xcc0 [ 53.286304] copy_process.part.37+0x2538/0x66e0 [ 53.290968] ? trace_hardirqs_off+0x10/0x10 [ 53.295279] ? proc_cwd_link+0x1a0/0x1a0 [ 53.299344] ? __cleanup_sighand+0x30/0x30 [ 53.303595] ? __lock_is_held+0xb5/0x140 [ 53.307648] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 53.312485] _do_fork+0x155/0xbb0 [ 53.315930] ? __sb_end_write+0xa4/0xd0 [ 53.319897] ? fork_idle+0x280/0x280 [ 53.323602] ? SyS_write+0x1c5/0x250 [ 53.327349] ? SyS_read+0x250/0x250 [ 53.330967] ? do_syscall_64+0x4c/0x5b0 [ 53.334931] ? sys_vfork+0x20/0x20 [ 53.338464] SyS_clone+0x14/0x20 [ 53.341826] do_syscall_64+0x1c9/0x5b0 [ 53.345707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.350551] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.355732] RIP: 0033:0x458c29 [ 53.358905] RSP: 002b:00007fe5ea5d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.366605] RAX: ffffffffffffffda RBX: 00007fe5ea5d9c90 RCX: 0000000000458c29 [ 53.373866] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 53.381117] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 53.388376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5da6d4 [ 53.395635] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 53.402906] CPU: 1 PID: 7139 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0 [ 53.410705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.420054] Call Trace: [ 53.422635] dump_stack+0xf7/0x13b [ 53.426163] should_fail.cold.3+0x105/0x14b [ 53.430469] should_failslab+0xba/0xf0 [ 53.434362] __kmalloc+0x2eb/0x7b0 [ 53.437999] ? __list_lru_init+0x69/0x5f0 [ 53.442141] __list_lru_init+0x69/0x5f0 [ 53.446106] sget_userns+0x3c5/0xb50 [ 53.449814] ? set_anon_super+0x10/0x10 [ 53.453786] ? get_empty_filp.cold.4+0x3a/0x3a [ 53.458361] ? proc_get_inode+0x590/0x590 [ 53.462497] mount_ns+0x5d/0x170 [ 53.465860] proc_mount+0x4b/0xa0 [ 53.469293] mount_fs+0x84/0x26e [ 53.472660] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.477225] kern_mount_data+0x42/0xa0 [ 53.481095] ? alloc_pid+0x5c/0xcc0 [ 53.484716] pid_ns_prepare_proc+0x1b/0x60 [ 53.488950] alloc_pid+0x930/0xcc0 [ 53.492558] copy_process.part.37+0x2538/0x66e0 [ 53.497206] ? trace_hardirqs_off+0x10/0x10 [ 53.501503] ? proc_cwd_link+0x1a0/0x1a0 [ 53.505547] ? __cleanup_sighand+0x30/0x30 [ 53.509759] ? __lock_is_held+0xb5/0x140 [ 53.513802] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 53.518639] _do_fork+0x155/0xbb0 [ 53.522071] ? __sb_end_write+0xa4/0xd0 [ 53.526035] ? fork_idle+0x280/0x280 [ 53.529734] ? SyS_write+0x1c5/0x250 [ 53.533432] ? SyS_read+0x250/0x250 [ 53.537072] ? do_syscall_64+0x4c/0x5b0 [ 53.541022] ? sys_vfork+0x20/0x20 [ 53.544540] SyS_clone+0x14/0x20 [ 53.547895] do_syscall_64+0x1c9/0x5b0 [ 53.551758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.556592] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.561760] RIP: 0033:0x458c29 [ 53.564933] RSP: 002b:00007f0c84564c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.572878] RAX: ffffffffffffffda RBX: 00007f0c84564c90 RCX: 0000000000458c29 [ 53.580124] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 53.588781] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 53.596025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c845656d4 [ 53.603270] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 53.610528] CPU: 0 PID: 7154 Comm: syz-executor.4 Not tainted 4.14.176-syzkaller #0 [ 53.618324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.627674] Call Trace: [ 53.630255] dump_stack+0xf7/0x13b [ 53.633797] should_fail.cold.3+0x105/0x14b [ 53.638117] ? __might_sleep+0x93/0xb0 [ 53.642182] __alloc_pages_nodemask+0x1d5/0x770 [ 53.646856] ? __alloc_pages_slowpath+0x2660/0x2660 [ 53.651870] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.656880] ? __alloc_pages_nodemask+0x61c/0x770 [ 53.661724] alloc_pages_current+0xd6/0x1b0 [ 53.666046] __get_free_pages+0xf/0x40 [ 53.669930] get_zeroed_page+0x11/0x20 [ 53.673814] selinux_sb_copy_data+0x25/0x350 [ 53.678226] security_sb_copy_data+0x68/0xa0 [ 53.682633] mount_fs+0x1ba/0x26e [ 53.682995] FAULT_INJECTION: forcing a failure. [ 53.682995] name failslab, interval 1, probability 0, space 0, times 0 [ 53.686076] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.686085] kern_mount_data+0x42/0xa0 [ 53.686090] ? alloc_pid+0x5c/0xcc0 [ 53.686096] pid_ns_prepare_proc+0x1b/0x60 [ 53.686100] alloc_pid+0x930/0xcc0 [ 53.686112] copy_process.part.37+0x2538/0x66e0 [ 53.686120] ? trace_hardirqs_off+0x10/0x10 [ 53.686124] ? proc_cwd_link+0x1a0/0x1a0 [ 53.686140] ? __cleanup_sighand+0x30/0x30 [ 53.686145] ? __lock_is_held+0xb5/0x140 [ 53.686154] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 53.686162] _do_fork+0x155/0xbb0 [ 53.686169] ? __sb_end_write+0xa4/0xd0 [ 53.750537] ? fork_idle+0x280/0x280 [ 53.754227] ? SyS_write+0x1c5/0x250 [ 53.757922] ? SyS_read+0x250/0x250 [ 53.761537] ? do_syscall_64+0x4c/0x5b0 [ 53.765492] FAULT_INJECTION: forcing a failure. [ 53.765492] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.767001] FAULT_INJECTION: forcing a failure. [ 53.767001] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.777266] ? sys_vfork+0x20/0x20 [ 53.777271] SyS_clone+0x14/0x20 [ 53.777278] do_syscall_64+0x1c9/0x5b0 [ 53.777283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.777296] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.777301] RIP: 0033:0x458c29 [ 53.777303] RSP: 002b:00007f7a5aecac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 53.777309] RAX: ffffffffffffffda RBX: 00007f7a5aecac90 RCX: 0000000000458c29 [ 53.777312] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 53.777314] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 53.777317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a5aecb6d4 [ 53.777319] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000003 [ 53.782566] CPU: 0 PID: 7150 Comm: syz-executor.2 Not tainted 4.14.176-syzkaller #0 [ 53.864856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.874196] Call Trace: [ 53.876776] dump_stack+0xf7/0x13b [ 53.880317] should_fail.cold.3+0x105/0x14b [ 53.885146] ? __might_sleep+0x93/0xb0 [ 53.889015] __alloc_pages_nodemask+0x1d5/0x770 [ 53.893680] ? __alloc_pages_slowpath+0x2660/0x2660 [ 53.898681] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.903678] ? __alloc_pages_nodemask+0x61c/0x770 [ 53.908507] alloc_pages_current+0xd6/0x1b0 [ 53.912809] __get_free_pages+0xf/0x40 [ 53.916695] get_zeroed_page+0x11/0x20 [ 53.920565] selinux_sb_copy_data+0x25/0x350 [ 53.924968] security_sb_copy_data+0x68/0xa0 [ 53.929353] mount_fs+0x1ba/0x26e [ 53.932784] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.937362] kern_mount_data+0x42/0xa0 [ 53.941230] ? alloc_pid+0x5c/0xcc0 [ 53.944837] pid_ns_prepare_proc+0x1b/0x60 [ 53.949054] alloc_pid+0x930/0xcc0 [ 53.952582] copy_process.part.37+0x2538/0x66e0 [ 53.957248] ? trace_hardirqs_off+0x10/0x10 [ 53.961549] ? proc_cwd_link+0x1a0/0x1a0 [ 53.965612] ? __cleanup_sighand+0x30/0x30 [ 53.969824] ? __lock_is_held+0xb5/0x140 [ 53.973871] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 53.978702] _do_fork+0x155/0xbb0 [ 53.982137] ? __sb_end_write+0xa4/0xd0 [ 53.986092] ? fork_idle+0x280/0x280 [ 53.990041] ? SyS_write+0x1c5/0x250 [ 53.993735] ? SyS_read+0x250/0x250 [ 53.997342] ? do_syscall_64+0x4c/0x5b0 [ 54.001291] ? sys_vfork+0x20/0x20 [ 54.004813] SyS_clone+0x14/0x20 [ 54.008160] do_syscall_64+0x1c9/0x5b0 [ 54.012024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.016852] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.022044] RIP: 0033:0x458c29 [ 54.025211] RSP: 002b:00007f846a95ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.032896] RAX: ffffffffffffffda RBX: 00007f846a95ec90 RCX: 0000000000458c29 [ 54.040159] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 54.047407] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 54.054659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f846a95f6d4 [ 54.061932] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 54.069198] CPU: 1 PID: 7173 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0 [ 54.076985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.086323] Call Trace: [ 54.088891] dump_stack+0xf7/0x13b [ 54.092412] should_fail.cold.3+0x105/0x14b [ 54.096724] ? __might_sleep+0x93/0xb0 [ 54.100589] __alloc_pages_nodemask+0x1d5/0x770 [ 54.105234] ? __alloc_pages_slowpath+0x2660/0x2660 [ 54.110228] ? pcpu_balance_workfn+0xff0/0xff0 [ 54.114785] ? alloc_vfsmnt+0xb9/0x750 [ 54.118652] alloc_pages_current+0xd6/0x1b0 [ 54.122950] __get_free_pages+0xf/0x40 [ 54.126812] get_zeroed_page+0x11/0x20 [ 54.130673] mount_fs+0x19f/0x26e [ 54.134119] vfs_kern_mount.part.33+0x58/0x3c0 [ 54.138698] kern_mount_data+0x42/0xa0 [ 54.142562] ? alloc_pid+0x5c/0xcc0 [ 54.146165] pid_ns_prepare_proc+0x1b/0x60 [ 54.150377] alloc_pid+0x930/0xcc0 [ 54.153915] copy_process.part.37+0x2538/0x66e0 [ 54.158574] ? trace_hardirqs_off+0x10/0x10 [ 54.162885] ? proc_cwd_link+0x1a0/0x1a0 [ 54.166943] ? __cleanup_sighand+0x30/0x30 [ 54.171156] ? __lock_is_held+0xb5/0x140 [ 54.175194] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 54.180015] _do_fork+0x155/0xbb0 [ 54.183442] ? __sb_end_write+0xa4/0xd0 [ 54.187412] ? fork_idle+0x280/0x280 [ 54.191110] ? SyS_write+0x1c5/0x250 [ 54.194806] ? SyS_read+0x250/0x250 [ 54.198413] ? do_syscall_64+0x4c/0x5b0 [ 54.202366] ? sys_vfork+0x20/0x20 [ 54.205883] SyS_clone+0x14/0x20 [ 54.209224] do_syscall_64+0x1c9/0x5b0 [ 54.213098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.217941] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.223122] RIP: 0033:0x458c29 [ 54.226288] RSP: 002b:00007f0c84564c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.233972] RAX: ffffffffffffffda RBX: 00007f0c84564c90 RCX: 0000000000458c29 [ 54.241241] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 54.248503] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 54.255766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c845656d4 [ 54.263018] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 54.270296] CPU: 0 PID: 7174 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 [ 54.278096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.287446] Call Trace: [ 54.290030] dump_stack+0xf7/0x13b [ 54.293590] should_fail.cold.3+0x105/0x14b [ 54.297907] ? __might_sleep+0x93/0xb0 [ 54.301792] __alloc_pages_nodemask+0x1d5/0x770 [ 54.306460] ? __alloc_pages_slowpath+0x2660/0x2660 [ 54.311477] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.316491] ? __alloc_pages_nodemask+0x61c/0x770 [ 54.321327] alloc_pages_current+0xd6/0x1b0 [ 54.325637] __get_free_pages+0xf/0x40 [ 54.329516] get_zeroed_page+0x11/0x20 [ 54.333399] selinux_sb_copy_data+0x25/0x350 [ 54.337794] security_sb_copy_data+0x68/0xa0 [ 54.342188] mount_fs+0x1ba/0x26e [ 54.345633] vfs_kern_mount.part.33+0x58/0x3c0 [ 54.350211] kern_mount_data+0x42/0xa0 [ 54.354089] ? alloc_pid+0x5c/0xcc0 [ 54.357718] pid_ns_prepare_proc+0x1b/0x60 [ 54.361944] alloc_pid+0x930/0xcc0 [ 54.365483] copy_process.part.37+0x2538/0x66e0 [ 54.370157] ? trace_hardirqs_off+0x10/0x10 [ 54.374462] ? proc_cwd_link+0x1a0/0x1a0 [ 54.378512] ? __cleanup_sighand+0x30/0x30 [ 54.382724] ? __lock_is_held+0xb5/0x140 [ 54.386765] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 54.391587] _do_fork+0x155/0xbb0 [ 54.395052] ? __sb_end_write+0xa4/0xd0 [ 54.399023] ? fork_idle+0x280/0x280 [ 54.402727] ? SyS_write+0x1c5/0x250 [ 54.406432] ? SyS_read+0x250/0x250 [ 54.410051] ? do_syscall_64+0x4c/0x5b0 [ 54.414019] ? sys_vfork+0x20/0x20 [ 54.417551] SyS_clone+0x14/0x20 [ 54.420908] do_syscall_64+0x1c9/0x5b0 [ 54.424781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.429629] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.434816] RIP: 0033:0x458c29 [ 54.437990] RSP: 002b:00007fba40604c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.445684] RAX: ffffffffffffffda RBX: 00007fba40604c90 RCX: 0000000000458c29 [ 54.452946] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 54.460206] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 54.461998] FAULT_INJECTION: forcing a failure. [ 54.461998] name failslab, interval 1, probability 0, space 0, times 0 [ 54.467471] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba406056d4 [ 54.467475] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 54.508281] CPU: 1 PID: 7169 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 54.516103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.525460] Call Trace: [ 54.526059] FAULT_INJECTION: forcing a failure. [ 54.526059] name failslab, interval 1, probability 0, space 0, times 0 [ 54.528040] dump_stack+0xf7/0x13b [ 54.528052] should_fail.cold.3+0x105/0x14b [ 54.528062] should_failslab+0xba/0xf0 [ 54.539331] FAULT_INJECTION: forcing a failure. [ 54.539331] name failslab, interval 1, probability 0, space 0, times 0 [ 54.542764] kmem_cache_alloc+0x2d1/0x790 [ 54.542774] ? lock_downgrade+0x7f0/0x7f0 [ 54.542783] alloc_vfsmnt+0x25/0x750 [ 54.542790] vfs_kern_mount.part.33+0x2d/0x3c0 [ 54.578716] kern_mount_data+0x42/0xa0 [ 54.582594] ? alloc_pid+0x5c/0xcc0 [ 54.586217] pid_ns_prepare_proc+0x1b/0x60 [ 54.590450] alloc_pid+0x930/0xcc0 [ 54.593998] copy_process.part.37+0x2538/0x66e0 [ 54.598668] ? trace_hardirqs_off+0x10/0x10 [ 54.602982] ? proc_cwd_link+0x1a0/0x1a0 [ 54.607052] ? __cleanup_sighand+0x30/0x30 [ 54.611267] ? __lock_is_held+0xb5/0x140 [ 54.615308] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 54.620127] _do_fork+0x155/0xbb0 [ 54.623575] ? __sb_end_write+0xa4/0xd0 [ 54.627536] ? fork_idle+0x280/0x280 [ 54.631232] ? SyS_write+0x1c5/0x250 [ 54.634930] ? SyS_read+0x250/0x250 [ 54.638534] ? do_syscall_64+0x4c/0x5b0 [ 54.642485] ? sys_vfork+0x20/0x20 [ 54.646000] SyS_clone+0x14/0x20 [ 54.649342] do_syscall_64+0x1c9/0x5b0 [ 54.653208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.658049] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.663214] RIP: 0033:0x458c29 [ 54.666400] RSP: 002b:00007f0e438fdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.674112] RAX: ffffffffffffffda RBX: 00007f0e438fdc90 RCX: 0000000000458c29 [ 54.681365] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 54.688611] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 54.695862] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438fe6d4 [ 54.703117] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 54.710472] CPU: 0 PID: 7189 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 [ 54.718267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.727621] Call Trace: [ 54.730209] dump_stack+0xf7/0x13b [ 54.733841] should_fail.cold.3+0x105/0x14b [ 54.738150] should_failslab+0xba/0xf0 [ 54.742018] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 54.746663] ? sget_userns+0xd1/0xb50 [ 54.750458] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.755458] selinux_sb_alloc_security+0x44/0x200 [ 54.760286] security_sb_alloc+0x60/0x90 [ 54.764352] sget_userns+0x14f/0xb50 [ 54.768043] FAULT_INJECTION: forcing a failure. [ 54.768043] name failslab, interval 1, probability 0, space 0, times 0 [ 54.779204] ? set_anon_super+0x10/0x10 [ 54.783156] ? get_empty_filp.cold.4+0x3a/0x3a [ 54.787716] ? proc_get_inode+0x590/0x590 [ 54.791841] mount_ns+0x5d/0x170 [ 54.795198] proc_mount+0x4b/0xa0 [ 54.798638] mount_fs+0x84/0x26e [ 54.801984] vfs_kern_mount.part.33+0x58/0x3c0 [ 54.806542] kern_mount_data+0x42/0xa0 [ 54.810406] ? alloc_pid+0x5c/0xcc0 [ 54.814010] pid_ns_prepare_proc+0x1b/0x60 [ 54.818223] alloc_pid+0x930/0xcc0 [ 54.821746] copy_process.part.37+0x2538/0x66e0 [ 54.826406] ? trace_hardirqs_off+0x10/0x10 [ 54.830704] ? proc_cwd_link+0x1a0/0x1a0 [ 54.834748] ? __cleanup_sighand+0x30/0x30 [ 54.838968] ? __lock_is_held+0xb5/0x140 [ 54.843023] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 54.847858] _do_fork+0x155/0xbb0 [ 54.851302] ? __sb_end_write+0xa4/0xd0 [ 54.855258] ? fork_idle+0x280/0x280 [ 54.858950] ? SyS_write+0x1c5/0x250 [ 54.862640] ? SyS_read+0x250/0x250 [ 54.866246] ? do_syscall_64+0x4c/0x5b0 [ 54.870197] ? sys_vfork+0x20/0x20 [ 54.873714] SyS_clone+0x14/0x20 [ 54.877102] do_syscall_64+0x1c9/0x5b0 [ 54.880980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.885806] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.890974] RIP: 0033:0x458c29 [ 54.894144] RSP: 002b:00007fba40604c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 54.901838] RAX: ffffffffffffffda RBX: 00007fba40604c90 RCX: 0000000000458c29 [ 54.909094] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 54.916347] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 54.923613] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba406056d4 [ 54.930950] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 54.938224] CPU: 1 PID: 7196 Comm: syz-executor.2 Not tainted 4.14.176-syzkaller #0 [ 54.946018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.955370] Call Trace: [ 54.957957] dump_stack+0xf7/0x13b [ 54.961586] should_fail.cold.3+0x105/0x14b [ 54.965891] should_failslab+0xba/0xf0 [ 54.969773] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 54.974437] ? sget_userns+0xd1/0xb50 [ 54.978232] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.983236] selinux_sb_alloc_security+0x44/0x200 [ 54.988064] security_sb_alloc+0x60/0x90 [ 54.992115] sget_userns+0x14f/0xb50 [ 54.995822] ? set_anon_super+0x10/0x10 [ 54.999792] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.004365] ? proc_get_inode+0x590/0x590 [ 55.008497] mount_ns+0x5d/0x170 [ 55.011841] proc_mount+0x4b/0xa0 [ 55.015272] mount_fs+0x84/0x26e [ 55.018629] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.023186] kern_mount_data+0x42/0xa0 [ 55.027048] ? alloc_pid+0x5c/0xcc0 [ 55.030650] pid_ns_prepare_proc+0x1b/0x60 [ 55.034860] alloc_pid+0x930/0xcc0 [ 55.038381] copy_process.part.37+0x2538/0x66e0 [ 55.043027] ? trace_hardirqs_off+0x10/0x10 [ 55.047323] ? proc_cwd_link+0x1a0/0x1a0 [ 55.051375] ? __cleanup_sighand+0x30/0x30 [ 55.055585] ? __lock_is_held+0xb5/0x140 [ 55.059648] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 55.064476] _do_fork+0x155/0xbb0 [ 55.067931] ? __sb_end_write+0xa4/0xd0 [ 55.071893] ? fork_idle+0x280/0x280 [ 55.075598] ? SyS_write+0x1c5/0x250 [ 55.079289] ? SyS_read+0x250/0x250 [ 55.082891] ? do_syscall_64+0x4c/0x5b0 [ 55.086852] ? sys_vfork+0x20/0x20 [ 55.090379] SyS_clone+0x14/0x20 [ 55.093735] do_syscall_64+0x1c9/0x5b0 [ 55.097597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.102433] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.107598] RIP: 0033:0x458c29 [ 55.110767] RSP: 002b:00007f846a93dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.118449] RAX: ffffffffffffffda RBX: 00007f846a93dc90 RCX: 0000000000458c29 [ 55.125696] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 55.132956] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 55.140215] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f846a93e6d4 [ 55.147475] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000003 [ 55.154748] CPU: 0 PID: 7188 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 55.162546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.171914] Call Trace: [ 55.174509] dump_stack+0xf7/0x13b [ 55.178042] should_fail.cold.3+0x105/0x14b [ 55.182352] should_failslab+0xba/0xf0 [ 55.186223] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 55.190900] ? sget_userns+0xd1/0xb50 [ 55.194687] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.199694] selinux_sb_alloc_security+0x44/0x200 [ 55.204556] security_sb_alloc+0x60/0x90 [ 55.208608] sget_userns+0x14f/0xb50 [ 55.212313] ? set_anon_super+0x10/0x10 [ 55.216285] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.220856] ? proc_get_inode+0x590/0x590 [ 55.224993] mount_ns+0x5d/0x170 [ 55.228346] proc_mount+0x4b/0xa0 [ 55.231780] mount_fs+0x84/0x26e [ 55.235126] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.239685] kern_mount_data+0x42/0xa0 [ 55.243559] ? alloc_pid+0x5c/0xcc0 [ 55.247196] pid_ns_prepare_proc+0x1b/0x60 [ 55.251412] alloc_pid+0x930/0xcc0 [ 55.254939] copy_process.part.37+0x2538/0x66e0 [ 55.259589] ? trace_hardirqs_off+0x10/0x10 [ 55.263888] ? proc_cwd_link+0x1a0/0x1a0 [ 55.267943] ? __cleanup_sighand+0x30/0x30 [ 55.272171] ? __lock_is_held+0xb5/0x140 [ 55.276216] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 55.281038] _do_fork+0x155/0xbb0 [ 55.284480] ? __sb_end_write+0xa4/0xd0 [ 55.288450] ? fork_idle+0x280/0x280 [ 55.292155] ? SyS_write+0x1c5/0x250 [ 55.295863] ? SyS_read+0x250/0x250 [ 55.299479] ? do_syscall_64+0x4c/0x5b0 [ 55.303437] ? sys_vfork+0x20/0x20 [ 55.306968] SyS_clone+0x14/0x20 [ 55.310324] do_syscall_64+0x1c9/0x5b0 [ 55.314202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.319045] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.324225] RIP: 0033:0x458c29 [ 55.327404] RSP: 002b:00007fe5ea5d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.335098] RAX: ffffffffffffffda RBX: 00007fe5ea5d9c90 RCX: 0000000000458c29 [ 55.342352] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 55.349628] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 55.351899] FAULT_INJECTION: forcing a failure. [ 55.351899] name failslab, interval 1, probability 0, space 0, times 0 [ 55.356890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5da6d4 [ 55.356893] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 55.367492] FAULT_INJECTION: forcing a failure. [ 55.367492] name failslab, interval 1, probability 0, space 0, times 0 [ 55.375863] CPU: 1 PID: 7181 Comm: syz-executor.4 Not tainted 4.14.176-syzkaller #0 [ 55.401966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.411329] Call Trace: [ 55.413907] dump_stack+0xf7/0x13b [ 55.417432] should_fail.cold.3+0x105/0x14b [ 55.421736] should_failslab+0xba/0xf0 [ 55.425602] kmem_cache_alloc_trace+0x2ed/0x7b0 [ 55.430268] ? sget_userns+0xd1/0xb50 [ 55.434049] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.439055] selinux_sb_alloc_security+0x44/0x200 [ 55.443890] security_sb_alloc+0x60/0x90 [ 55.447927] sget_userns+0x14f/0xb50 [ 55.451617] ? set_anon_super+0x10/0x10 [ 55.455578] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.460147] ? proc_get_inode+0x590/0x590 [ 55.464270] mount_ns+0x5d/0x170 [ 55.467617] proc_mount+0x4b/0xa0 [ 55.471141] mount_fs+0x84/0x26e [ 55.474489] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.479068] kern_mount_data+0x42/0xa0 [ 55.482931] ? alloc_pid+0x5c/0xcc0 [ 55.486532] pid_ns_prepare_proc+0x1b/0x60 [ 55.490744] alloc_pid+0x930/0xcc0 [ 55.494268] copy_process.part.37+0x2538/0x66e0 [ 55.498916] ? trace_hardirqs_off+0x10/0x10 [ 55.503229] ? proc_cwd_link+0x1a0/0x1a0 [ 55.507292] ? __cleanup_sighand+0x30/0x30 [ 55.511504] ? __lock_is_held+0xb5/0x140 [ 55.515555] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 55.520391] _do_fork+0x155/0xbb0 [ 55.523821] ? __sb_end_write+0xa4/0xd0 [ 55.527773] ? fork_idle+0x280/0x280 [ 55.531474] ? SyS_write+0x1c5/0x250 [ 55.535166] ? SyS_read+0x250/0x250 [ 55.538783] ? do_syscall_64+0x4c/0x5b0 [ 55.542734] ? sys_vfork+0x20/0x20 [ 55.546255] SyS_clone+0x14/0x20 [ 55.549598] do_syscall_64+0x1c9/0x5b0 [ 55.553461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.558298] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.563464] RIP: 0033:0x458c29 [ 55.566628] RSP: 002b:00007f7a5aecac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.574314] RAX: ffffffffffffffda RBX: 00007f7a5aecac90 RCX: 0000000000458c29 [ 55.581572] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 55.588824] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 55.596072] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a5aecb6d4 [ 55.603330] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000003 [ 55.610588] CPU: 0 PID: 7207 Comm: syz-executor.3 Not tainted 4.14.176-syzkaller #0 [ 55.618380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.627730] Call Trace: [ 55.630325] dump_stack+0xf7/0x13b [ 55.633878] should_fail.cold.3+0x105/0x14b [ 55.638202] should_failslab+0xba/0xf0 [ 55.642088] __kmalloc+0x2eb/0x7b0 [ 55.645625] ? __list_lru_init+0x69/0x5f0 [ 55.649768] __list_lru_init+0x69/0x5f0 [ 55.653735] sget_userns+0x3e0/0xb50 [ 55.657455] ? set_anon_super+0x10/0x10 [ 55.661415] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.665979] ? proc_get_inode+0x590/0x590 [ 55.670110] mount_ns+0x5d/0x170 [ 55.673466] proc_mount+0x4b/0xa0 [ 55.676914] mount_fs+0x84/0x26e [ 55.680283] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.684866] kern_mount_data+0x42/0xa0 [ 55.688739] ? alloc_pid+0x5c/0xcc0 [ 55.692351] pid_ns_prepare_proc+0x1b/0x60 [ 55.696570] alloc_pid+0x930/0xcc0 [ 55.700110] copy_process.part.37+0x2538/0x66e0 [ 55.704794] ? trace_hardirqs_off+0x10/0x10 [ 55.709103] ? proc_cwd_link+0x1a0/0x1a0 [ 55.713168] ? __cleanup_sighand+0x30/0x30 [ 55.717387] ? __lock_is_held+0xb5/0x140 [ 55.721432] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 55.726261] _do_fork+0x155/0xbb0 [ 55.729696] ? __sb_end_write+0xa4/0xd0 [ 55.733648] ? fork_idle+0x280/0x280 [ 55.737343] ? SyS_write+0x1c5/0x250 [ 55.738229] FAULT_INJECTION: forcing a failure. [ 55.738229] name failslab, interval 1, probability 0, space 0, times 0 [ 55.741038] ? SyS_read+0x250/0x250 [ 55.741046] ? do_syscall_64+0x4c/0x5b0 [ 55.741054] ? sys_vfork+0x20/0x20 [ 55.741058] SyS_clone+0x14/0x20 [ 55.741063] do_syscall_64+0x1c9/0x5b0 [ 55.741068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.741080] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.741091] RIP: 0033:0x458c29 [ 55.783720] RSP: 002b:00007f0e438fdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 55.791498] RAX: ffffffffffffffda RBX: 00007f0e438fdc90 RCX: 0000000000458c29 [ 55.798763] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 55.806015] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 55.813268] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e438fe6d4 [ 55.820534] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 55.827810] CPU: 1 PID: 7204 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0 [ 55.835687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.838622] FAULT_INJECTION: forcing a failure. [ 55.838622] name failslab, interval 1, probability 0, space 0, times 0 [ 55.845050] Call Trace: [ 55.845062] dump_stack+0xf7/0x13b [ 55.845073] should_fail.cold.3+0x105/0x14b [ 55.845081] should_failslab+0xba/0xf0 [ 55.845088] kmem_cache_alloc+0x2d1/0x790 [ 55.845095] ? register_shrinker+0xf1/0x1e0 [ 55.845105] proc_alloc_inode+0x19/0x1c0 [ 55.845111] ? up_write+0x1a/0x60 [ 55.845116] alloc_inode+0x59/0x150 [ 55.845122] new_inode_pseudo+0xc/0xd0 [ 55.845127] proc_get_inode+0x13/0x590 [ 55.845134] proc_fill_super+0x1c9/0x298 [ 55.845139] ? proc_get_inode+0x590/0x590 [ 55.845144] mount_ns+0xd2/0x170 [ 55.845152] proc_mount+0x4b/0xa0 [ 55.845157] mount_fs+0x84/0x26e [ 55.845167] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.845175] kern_mount_data+0x42/0xa0 [ 55.845179] ? alloc_pid+0x5c/0xcc0 [ 55.845185] pid_ns_prepare_proc+0x1b/0x60 [ 55.845190] alloc_pid+0x930/0xcc0 [ 55.845204] copy_process.part.37+0x2538/0x66e0 [ 55.845211] ? trace_hardirqs_off+0x10/0x10 [ 55.845216] ? proc_cwd_link+0x1a0/0x1a0 [ 55.845234] ? __cleanup_sighand+0x30/0x30 [ 55.845240] ? __lock_is_held+0xb5/0x140 [ 55.845250] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 55.962064] _do_fork+0x155/0xbb0 [ 55.965497] ? __sb_end_write+0xa4/0xd0 [ 55.969461] ? fork_idle+0x280/0x280 [ 55.973162] ? SyS_write+0x1c5/0x250 [ 55.976854] ? SyS_read+0x250/0x250 [ 55.980464] ? do_syscall_64+0x4c/0x5b0 [ 55.984427] ? sys_vfork+0x20/0x20 [ 55.987945] SyS_clone+0x14/0x20 [ 55.991288] do_syscall_64+0x1c9/0x5b0 [ 55.995151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.999973] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.005140] RIP: 0033:0x458c29 [ 56.008309] RSP: 002b:00007f0c84543c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.016101] RAX: ffffffffffffffda RBX: 00007f0c84543c90 RCX: 0000000000458c29 [ 56.023366] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 56.030629] RBP: 000000000073bfa0 R08: ffffffffffffffff R09: 0000000000000000 [ 56.037878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c845446d4 [ 56.045125] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000003 [ 56.052397] CPU: 0 PID: 7217 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 56.060192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.069545] Call Trace: [ 56.072133] dump_stack+0xf7/0x13b [ 56.075673] should_fail.cold.3+0x105/0x14b [ 56.080005] should_failslab+0xba/0xf0 [ 56.083885] __kmalloc+0x2eb/0x7b0 [ 56.087414] ? sget_userns+0x8c8/0xb50 [ 56.091296] ? lock_downgrade+0x7f0/0x7f0 [ 56.095455] ? register_shrinker+0xb5/0x1e0 [ 56.099770] register_shrinker+0xb5/0x1e0 [ 56.103904] sget_userns+0x8dc/0xb50 [ 56.107597] ? set_anon_super+0x10/0x10 [ 56.111550] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.116108] ? proc_get_inode+0x590/0x590 [ 56.120235] mount_ns+0x5d/0x170 [ 56.123578] proc_mount+0x4b/0xa0 [ 56.127007] mount_fs+0x84/0x26e [ 56.130369] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.134931] kern_mount_data+0x42/0xa0 [ 56.138795] ? alloc_pid+0x5c/0xcc0 [ 56.142402] pid_ns_prepare_proc+0x1b/0x60 [ 56.146614] alloc_pid+0x930/0xcc0 [ 56.150147] copy_process.part.37+0x2538/0x66e0 [ 56.156101] ? trace_hardirqs_off+0x10/0x10 [ 56.160401] ? proc_cwd_link+0x1a0/0x1a0 [ 56.164454] ? __cleanup_sighand+0x30/0x30 [ 56.168670] ? __lock_is_held+0xb5/0x140 [ 56.172731] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 56.177554] _do_fork+0x155/0xbb0 [ 56.180989] ? __sb_end_write+0xa4/0xd0 [ 56.184940] ? fork_idle+0x280/0x280 [ 56.188635] ? SyS_write+0x1c5/0x250 [ 56.192327] ? SyS_read+0x250/0x250 [ 56.195938] ? do_syscall_64+0x4c/0x5b0 [ 56.199893] ? sys_vfork+0x20/0x20 [ 56.203412] SyS_clone+0x14/0x20 [ 56.206760] do_syscall_64+0x1c9/0x5b0 [ 56.210626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.215449] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.220617] RIP: 0033:0x458c29 [ 56.223784] RSP: 002b:00007fe5ea5d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.231475] RAX: ffffffffffffffda RBX: 00007fe5ea5d9c90 RCX: 0000000000458c29 [ 56.238729] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 56.245996] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 56.253266] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5da6d4 [ 56.260534] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 56.278966] FAULT_INJECTION: forcing a failure. [ 56.278966] name failslab, interval 1, probability 0, space 0, times 0 [ 56.287136] CPU: 1 PID: 7211 Comm: syz-executor.0 Not tainted 4.14.176-syzkaller #0 [ 56.297955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.307288] Call Trace: [ 56.309857] dump_stack+0xf7/0x13b [ 56.313383] should_fail.cold.3+0x105/0x14b [ 56.317690] should_failslab+0xba/0xf0 [ 56.321558] __kmalloc+0x2eb/0x7b0 [ 56.325091] ? __list_lru_init+0x69/0x5f0 [ 56.329215] __list_lru_init+0x69/0x5f0 [ 56.333168] sget_userns+0x3e0/0xb50 [ 56.336866] ? set_anon_super+0x10/0x10 [ 56.340818] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.345377] ? proc_get_inode+0x590/0x590 [ 56.349509] mount_ns+0x5d/0x170 [ 56.352866] proc_mount+0x4b/0xa0 [ 56.356296] mount_fs+0x84/0x26e [ 56.359659] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.364219] kern_mount_data+0x42/0xa0 [ 56.368081] ? alloc_pid+0x5c/0xcc0 [ 56.371683] pid_ns_prepare_proc+0x1b/0x60 [ 56.375907] alloc_pid+0x930/0xcc0 [ 56.379428] copy_process.part.37+0x2538/0x66e0 [ 56.384074] ? trace_hardirqs_off+0x10/0x10 [ 56.388375] ? proc_cwd_link+0x1a0/0x1a0 [ 56.392422] ? __cleanup_sighand+0x30/0x30 [ 56.396646] ? __lock_is_held+0xb5/0x140 [ 56.400699] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 56.405531] _do_fork+0x155/0xbb0 [ 56.408965] ? __sb_end_write+0xa4/0xd0 [ 56.412917] ? fork_idle+0x280/0x280 [ 56.416624] ? SyS_write+0x1c5/0x250 [ 56.420317] ? SyS_read+0x250/0x250 [ 56.423919] ? do_syscall_64+0x4c/0x5b0 [ 56.427868] ? sys_vfork+0x20/0x20 [ 56.431385] SyS_clone+0x14/0x20 [ 56.434728] do_syscall_64+0x1c9/0x5b0 [ 56.438680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.443506] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.448670] RIP: 0033:0x458c29 [ 56.451837] RSP: 002b:00007fba40604c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.459519] RAX: ffffffffffffffda RBX: 00007fba40604c90 RCX: 0000000000458c29 [ 56.466766] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 56.474099] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 56.481346] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba406056d4 [ 56.488606] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 56.495874] CPU: 0 PID: 7223 Comm: syz-executor.2 Not tainted 4.14.176-syzkaller #0 [ 56.503676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.513026] Call Trace: [ 56.515608] dump_stack+0xf7/0x13b [ 56.519153] should_fail.cold.3+0x105/0x14b [ 56.523475] should_failslab+0xba/0xf0 [ 56.527356] __kmalloc+0x2eb/0x7b0 [ 56.530891] ? __list_lru_init+0x69/0x5f0 [ 56.535035] __list_lru_init+0x69/0x5f0 [ 56.539009] sget_userns+0x3e0/0xb50 [ 56.542714] ? set_anon_super+0x10/0x10 [ 56.546680] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.551260] ? proc_get_inode+0x590/0x590 [ 56.555406] mount_ns+0x5d/0x170 [ 56.558772] proc_mount+0x4b/0xa0 [ 56.562228] mount_fs+0x84/0x26e [ 56.565595] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.570183] kern_mount_data+0x42/0xa0 [ 56.574070] ? alloc_pid+0x5c/0xcc0 [ 56.577695] pid_ns_prepare_proc+0x1b/0x60 [ 56.581925] alloc_pid+0x930/0xcc0 [ 56.585467] copy_process.part.37+0x2538/0x66e0 [ 56.590133] ? trace_hardirqs_off+0x10/0x10 [ 56.594453] ? proc_cwd_link+0x1a0/0x1a0 [ 56.598525] ? __cleanup_sighand+0x30/0x30 [ 56.602755] ? __lock_is_held+0xb5/0x140 [ 56.606664] proc_fill_super: get root inode failed [ 56.606813] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 56.606824] _do_fork+0x155/0xbb0 [ 56.606831] ? __sb_end_write+0xa4/0xd0 [ 56.606839] ? fork_idle+0x280/0x280 [ 56.606846] ? SyS_write+0x1c5/0x250 [ 56.606853] ? SyS_read+0x250/0x250 [ 56.606861] ? do_syscall_64+0x4c/0x5b0 [ 56.606868] ? sys_vfork+0x20/0x20 [ 56.624026] FAULT_INJECTION: forcing a failure. [ 56.624026] name failslab, interval 1, probability 0, space 0, times 0 [ 56.627695] SyS_clone+0x14/0x20 [ 56.657001] do_syscall_64+0x1c9/0x5b0 [ 56.660888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.665736] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.670921] RIP: 0033:0x458c29 [ 56.674105] RSP: 002b:00007f846a95ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.681845] RAX: ffffffffffffffda RBX: 00007f846a95ec90 RCX: 0000000000458c29 [ 56.684921] FAULT_INJECTION: forcing a failure. [ 56.684921] name failslab, interval 1, probability 0, space 0, times 0 [ 56.689202] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 56.689206] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 56.689209] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f846a95f6d4 [ 56.689212] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 56.691662] refcount_t: underflow; use-after-free. [ 56.708694] CPU: 1 PID: 7220 Comm: syz-executor.4 Not tainted 4.14.176-syzkaller #0 [ 56.719012] FAULT_INJECTION: forcing a failure. [ 56.719012] name failslab, interval 1, probability 0, space 0, times 0 [ 56.722347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.722351] Call Trace: [ 56.722360] dump_stack+0xf7/0x13b [ 56.722371] should_fail.cold.3+0x105/0x14b [ 56.722380] should_failslab+0xba/0xf0 [ 56.730653] FAULT_INJECTION: forcing a failure. [ 56.730653] name failslab, interval 1, probability 0, space 0, times 0 [ 56.734560] __kmalloc+0x2eb/0x7b0 [ 56.734566] ? sget_userns+0x8c8/0xb50 [ 56.734573] ? lock_downgrade+0x7f0/0x7f0 [ 56.734580] ? register_shrinker+0xb5/0x1e0 [ 56.734587] register_shrinker+0xb5/0x1e0 [ 56.734593] sget_userns+0x8dc/0xb50 [ 56.734597] ? set_anon_super+0x10/0x10 [ 56.734601] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.734607] ? proc_get_inode+0x590/0x590 [ 56.734612] mount_ns+0x5d/0x170 [ 56.734618] proc_mount+0x4b/0xa0 [ 56.768600] ------------[ cut here ]------------ [ 56.768976] mount_fs+0x84/0x26e [ 56.773272] WARNING: CPU: 0 PID: 7217 at lib/refcount.c:187 refcount_sub_and_test.cold.13+0x13/0x1c [ 56.777137] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.788284] Kernel panic - not syncing: panic_on_warn set ... [ 56.788284] [ 56.860546] kern_mount_data+0x42/0xa0 [ 56.864409] ? alloc_pid+0x5c/0xcc0 [ 56.868011] pid_ns_prepare_proc+0x1b/0x60 [ 56.872219] alloc_pid+0x930/0xcc0 [ 56.875751] copy_process.part.37+0x2538/0x66e0 [ 56.880409] ? trace_hardirqs_off+0x10/0x10 [ 56.884716] ? proc_cwd_link+0x1a0/0x1a0 [ 56.888764] ? __cleanup_sighand+0x30/0x30 [ 56.892977] ? __lock_is_held+0xb5/0x140 [ 56.897027] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 56.901846] _do_fork+0x155/0xbb0 [ 56.905273] ? __sb_end_write+0xa4/0xd0 [ 56.909232] ? fork_idle+0x280/0x280 [ 56.912921] ? SyS_write+0x1c5/0x250 [ 56.916621] ? SyS_read+0x250/0x250 [ 56.920233] ? do_syscall_64+0x4c/0x5b0 [ 56.924183] ? sys_vfork+0x20/0x20 [ 56.927698] SyS_clone+0x14/0x20 [ 56.931039] do_syscall_64+0x1c9/0x5b0 [ 56.934902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.940079] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.945253] RIP: 0033:0x458c29 [ 56.948418] RSP: 002b:00007f7a5aeebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 56.956113] RAX: ffffffffffffffda RBX: 00007f7a5aeebc90 RCX: 0000000000458c29 [ 56.963367] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 56.970610] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 56.977856] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a5aeec6d4 [ 56.985102] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 56.992361] CPU: 0 PID: 7217 Comm: syz-executor.5 Not tainted 4.14.176-syzkaller #0 [ 57.000150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.009499] Call Trace: [ 57.012082] dump_stack+0xf7/0x13b [ 57.015620] ? refcount_sub_and_test.cold.13+0x13/0x1c [ 57.020895] panic+0x1b0/0x36a [ 57.024122] ? add_taint.cold.5+0x11/0x11 [ 57.028287] ? refcount_sub_and_test.cold.13+0x13/0x1c [ 57.033561] __warn.cold.8+0x25/0x2a [ 57.037273] ? refcount_sub_and_test.cold.13+0x13/0x1c [ 57.042546] report_bug+0x1a4/0x1f3 [ 57.046168] do_error_trap+0x1bd/0x310 [ 57.050052] ? math_error+0x300/0x300 [ 57.053849] ? vprintk_emit+0x1d2/0x4e0 [ 57.057823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.062656] do_invalid_op+0x1b/0x20 [ 57.066353] invalid_op+0x1b/0x40 [ 57.069791] RIP: 0010:refcount_sub_and_test.cold.13+0x13/0x1c [ 57.075659] RSP: 0018:ffff888082b67af0 EFLAGS: 00010286 [ 57.081003] RAX: 0000000000000026 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.088256] RDX: 0000000000000026 RSI: ffffffff868cb100 RDI: ffffed101056cf55 [ 57.095505] RBP: ffff888082b67b00 R08: 0000000000000001 R09: 0000000000000000 [ 57.102759] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888088a96280 [ 57.110011] R13: dffffc0000000000 R14: ffff8880a551c998 R15: 0000802122001ffa [ 57.117281] refcount_dec_and_test+0x11/0x20 [ 57.121754] put_pid_ns.part.2+0x4f/0x100 [ 57.125914] put_pid_ns+0x9/0x10 [ 57.129376] free_nsproxy+0xc9/0x190 [ 57.133068] switch_task_namespaces+0x84/0xa0 [ 57.137560] exit_task_namespaces+0xb/0x10 [ 57.141770] copy_process.part.37+0x38de/0x66e0 [ 57.146417] ? trace_hardirqs_off+0x10/0x10 [ 57.150714] ? proc_cwd_link+0x1a0/0x1a0 [ 57.154768] ? __cleanup_sighand+0x30/0x30 [ 57.158984] ? __lock_is_held+0xb5/0x140 [ 57.163022] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 57.167842] _do_fork+0x155/0xbb0 [ 57.171287] ? __sb_end_write+0xa4/0xd0 [ 57.175247] ? fork_idle+0x280/0x280 [ 57.179202] ? SyS_write+0x1c5/0x250 [ 57.182891] ? SyS_read+0x250/0x250 [ 57.186509] ? do_syscall_64+0x4c/0x5b0 [ 57.190459] ? sys_vfork+0x20/0x20 [ 57.193977] SyS_clone+0x14/0x20 [ 57.197325] do_syscall_64+0x1c9/0x5b0 [ 57.201186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.206011] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.211175] RIP: 0033:0x458c29 [ 57.214347] RSP: 002b:00007fe5ea5d9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.222035] RAX: ffffffffffffffda RBX: 00007fe5ea5d9c90 RCX: 0000000000458c29 [ 57.229281] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 57.236530] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 57.243797] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe5ea5da6d4 [ 57.251076] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 57.258346] CPU: 1 PID: 7238 Comm: syz-executor.1 Not tainted 4.14.176-syzkaller #0 [ 57.266137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.275469] Call Trace: [ 57.278041] dump_stack+0xf7/0x13b [ 57.281567] should_fail.cold.3+0x105/0x14b [ 57.285868] should_failslab+0xba/0xf0 [ 57.289736] __kmalloc+0x2eb/0x7b0 [ 57.293258] ? __list_lru_init+0x69/0x5f0 [ 57.297388] __list_lru_init+0x69/0x5f0 [ 57.301344] sget_userns+0x3e0/0xb50 [ 57.305053] ? set_anon_super+0x10/0x10 [ 57.309009] ? get_empty_filp.cold.4+0x3a/0x3a [ 57.313587] ? proc_get_inode+0x590/0x590 [ 57.317715] mount_ns+0x5d/0x170 [ 57.321059] proc_mount+0x4b/0xa0 [ 57.324492] mount_fs+0x84/0x26e [ 57.327841] vfs_kern_mount.part.33+0x58/0x3c0 [ 57.332416] kern_mount_data+0x42/0xa0 [ 57.336286] ? alloc_pid+0x5c/0xcc0 [ 57.339890] pid_ns_prepare_proc+0x1b/0x60 [ 57.344107] alloc_pid+0x930/0xcc0 [ 57.347632] copy_process.part.37+0x2538/0x66e0 [ 57.352282] ? trace_hardirqs_off+0x10/0x10 [ 57.356580] ? proc_cwd_link+0x1a0/0x1a0 [ 57.360629] ? __cleanup_sighand+0x30/0x30 [ 57.364854] ? __lock_is_held+0xb5/0x140 [ 57.368897] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 57.373717] _do_fork+0x155/0xbb0 [ 57.377149] ? __sb_end_write+0xa4/0xd0 [ 57.381101] ? fork_idle+0x280/0x280 [ 57.384805] ? SyS_write+0x1c5/0x250 [ 57.388496] ? SyS_read+0x250/0x250 [ 57.392137] ? do_syscall_64+0x4c/0x5b0 [ 57.396097] ? sys_vfork+0x20/0x20 [ 57.399629] SyS_clone+0x14/0x20 [ 57.402984] do_syscall_64+0x1c9/0x5b0 [ 57.406865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.411698] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.416880] RIP: 0033:0x458c29 [ 57.420051] RSP: 002b:00007f0c84564c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.427741] RAX: ffffffffffffffda RBX: 00007f0c84564c90 RCX: 0000000000458c29 [ 57.434991] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000802122001ffa [ 57.442241] RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 57.449489] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0c845656d4 [ 57.456739] R13: 00000000004befd3 R14: 00000000004d0020 R15: 0000000000000004 [ 57.465298] Kernel Offset: disabled [ 57.468999] Rebooting in 86400 seconds..