[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 27.557848] kauditd_printk_skb: 7 callbacks suppressed [ 27.557860] audit: type=1800 audit(1539429963.216:29): pid=5243 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 27.584347] audit: type=1800 audit(1539429963.226:30): pid=5243 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 33.591531] sshd (5384) used greatest stack depth: 15976 bytes left Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2018/10/13 11:26:40 parsed 1 programs 2018/10/13 11:26:42 executed programs: 0 [ 67.095933] IPVS: ftp: loaded support on port[0] = 21 [ 67.107223] IPVS: ftp: loaded support on port[0] = 21 [ 67.109683] IPVS: ftp: loaded support on port[0] = 21 [ 67.114039] IPVS: ftp: loaded support on port[0] = 21 [ 67.123987] IPVS: ftp: loaded support on port[0] = 21 [ 67.133966] IPVS: ftp: loaded support on port[0] = 21 [ 67.906953] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.915577] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.923642] device bridge_slave_0 entered promiscuous mode [ 67.972614] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.979123] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.991132] device bridge_slave_1 entered promiscuous mode [ 67.999223] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.008472] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.015538] device bridge_slave_0 entered promiscuous mode [ 68.031726] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.038090] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.046429] device bridge_slave_0 entered promiscuous mode [ 68.060135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 68.074028] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.085138] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.096826] device bridge_slave_0 entered promiscuous mode [ 68.113466] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.119888] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.127880] device bridge_slave_0 entered promiscuous mode [ 68.135413] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.143259] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.151198] device bridge_slave_1 entered promiscuous mode [ 68.162294] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 68.175964] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.184908] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.196225] device bridge_slave_1 entered promiscuous mode [ 68.203375] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.209730] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.220980] device bridge_slave_1 entered promiscuous mode [ 68.228410] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 68.241640] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.248016] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.258895] device bridge_slave_0 entered promiscuous mode [ 68.267520] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 68.278707] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.287414] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.298236] device bridge_slave_1 entered promiscuous mode [ 68.311577] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 68.330135] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 68.343824] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.355892] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.363194] device bridge_slave_1 entered promiscuous mode [ 68.370113] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 68.378839] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 68.398937] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.418266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 68.438988] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 68.452311] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 68.469603] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.489193] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 68.513093] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.525086] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.567789] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.578982] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.597736] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.676538] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.695533] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.719914] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.747486] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.764054] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.779528] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 68.792848] team0: Port device team_slave_0 added [ 68.801042] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.808119] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 68.817317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.830904] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.839175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.859293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 68.874173] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.886540] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.898103] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.924123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.948662] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 68.966448] team0: Port device team_slave_1 added [ 68.974291] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 68.984323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.015179] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.032561] team0: Port device team_slave_0 added [ 69.038134] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 69.052227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.094305] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.108403] team0: Port device team_slave_1 added [ 69.115944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 69.124962] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.134786] team0: Port device team_slave_0 added [ 69.158359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.171595] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.181755] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 69.195334] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.207687] team0: Port device team_slave_0 added [ 69.213505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.225615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.238725] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.246992] team0: Port device team_slave_1 added [ 69.264440] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.274535] team0: Port device team_slave_0 added [ 69.286813] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.294377] team0: Port device team_slave_1 added [ 69.305115] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.342733] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.354249] team0: Port device team_slave_1 added [ 69.360258] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.379720] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.400213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.413153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.421720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.432570] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.443768] team0: Port device team_slave_0 added [ 69.453641] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.474379] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.491010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.500936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.509931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.524465] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.537288] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.561340] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.584769] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.599234] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.608823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.618682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.626899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.635516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.643188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.651029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.668116] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.679464] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.691288] team0: Port device team_slave_1 added [ 69.697274] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.711599] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.719612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.728154] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.740019] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.750575] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.790893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.798838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.806786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.814889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.822883] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.830821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.848508] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 69.867243] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.878821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.887186] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.902586] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.924434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.946928] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 69.961587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.969512] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.055099] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.071061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.082969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.139258] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.152710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.165294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.485882] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.492462] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.499505] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.505973] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.525762] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.636959] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.643406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.650068] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.656495] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.670010] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.682048] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.688415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.695119] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.701513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.710854] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.719577] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.725956] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.732681] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.739057] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.748885] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.763926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.775664] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.788966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.797531] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.811868] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.818236] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.824958] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.831411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.844675] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 71.110852] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.117262] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.123985] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.130405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.154249] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 71.798253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.810150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.472398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.541594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.705894] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.737686] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.782349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.793426] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.804163] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.874203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.016787] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.028147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.046818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.063528] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.071758] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.081861] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.091576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.098937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.111213] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.169638] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.295423] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.303604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.313297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.335003] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.387707] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.404284] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.426835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.438560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.457069] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.475405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.488720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.503242] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.510552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.517666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.619080] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.729423] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.753686] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.785935] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.098482] FAULT_INJECTION: forcing a failure. [ 76.098482] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 76.101906] FAULT_INJECTION: forcing a failure. [ 76.101906] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 76.137847] CPU: 0 PID: 6922 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #58 [ 76.145073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.154435] Call Trace: [ 76.157039] dump_stack+0x1c4/0x2b4 [ 76.160689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 76.165899] ? is_bpf_text_address+0xac/0x170 [ 76.170418] ? check_preemption_disabled+0x48/0x200 [ 76.175456] should_fail.cold.4+0xa/0x17 [ 76.179546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 76.184667] ? graph_lock+0x170/0x170 [ 76.188487] ? __lock_acquire+0x7ec/0x4ec0 [ 76.192739] ? graph_lock+0x170/0x170 [ 76.196572] ? __lock_is_held+0xb5/0x140 [ 76.200663] ? ___might_sleep+0x1ed/0x300 [ 76.204823] ? lock_release+0x970/0x970 [ 76.208814] ? arch_local_save_flags+0x40/0x40 [ 76.213414] ? kmem_cache_alloc+0x12e/0x730 [ 76.217755] ? pte_alloc_one+0x6b/0x1a0 [ 76.221738] ? __pte_alloc+0x2a/0x350 [ 76.225557] ? copy_page_range+0x18c5/0x26b0 [ 76.229980] ? copy_process+0x4721/0x8780 [ 76.234153] ? __might_sleep+0x95/0x190 [ 76.238151] __alloc_pages_nodemask+0x34b/0xde0 [ 76.242857] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 76.247893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.253452] ? check_preemption_disabled+0x48/0x200 [ 76.258489] ? graph_lock+0x170/0x170 [ 76.262301] ? find_held_lock+0x36/0x1c0 [ 76.266398] ? __lock_is_held+0xb5/0x140 [ 76.270475] ? lock_downgrade+0x900/0x900 [ 76.274640] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.280207] alloc_pages_current+0x10c/0x210 [ 76.284634] ? ___might_sleep+0x1ed/0x300 [ 76.288799] pte_alloc_one+0x1b/0x1a0 [ 76.292620] __pte_alloc+0x2a/0x350 [ 76.296269] copy_page_range+0x18c5/0x26b0 [ 76.300581] ? pmd_alloc+0x180/0x180 [ 76.304314] ? graph_lock+0x170/0x170 [ 76.308139] ? kasan_slab_alloc+0x12/0x20 [ 76.312304] ? kmem_cache_alloc+0x12e/0x730 [ 76.316647] ? graph_lock+0x170/0x170 [ 76.320462] ? __x64_sys_clone+0xbf/0x150 [ 76.324628] ? do_syscall_64+0x1b9/0x820 [ 76.328706] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.334097] ? find_held_lock+0x36/0x1c0 [ 76.338195] ? anon_vma_fork+0x5ef/0x820 [ 76.342270] ? lock_downgrade+0x900/0x900 [ 76.346437] ? lock_release+0x970/0x970 [ 76.350426] ? arch_local_save_flags+0x40/0x40 [ 76.355029] ? __lock_is_held+0xb5/0x140 [ 76.359118] ? up_write+0x7b/0x220 [ 76.362669] ? up_read+0x110/0x110 [ 76.366233] ? anon_vma_interval_tree_insert+0x2c9/0x370 [ 76.371712] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 76.376741] ? vma_compute_subtree_gap+0x160/0x240 [ 76.381687] ? validate_mm_rb+0xaa/0xc0 [ 76.385679] ? __vma_link_rb+0x26c/0x370 [ 76.389757] copy_process+0x4721/0x8780 [ 76.393784] ? __cleanup_sighand+0x70/0x70 [ 76.398039] ? mark_held_locks+0xc7/0x130 [ 76.402212] ? print_usage_bug+0xc0/0xc0 [ 76.406293] ? ima_match_policy+0x848/0x1560 [ 76.410728] ? graph_lock+0x170/0x170 [ 76.414553] ? noop_count+0x40/0x40 [ 76.418204] ? __lock_acquire+0x7ec/0x4ec0 [ 76.422480] ? check_usage+0x1a9/0x790 [ 76.426396] ? mark_held_locks+0x130/0x130 [ 76.430643] ? check_usage_forwards+0x3e0/0x3e0 [ 76.435342] ? __bfs+0x385/0x7a0 [ 76.438723] ? up_write+0x7b/0x220 [ 76.442285] ? lockdep_on+0x50/0x50 [ 76.445965] ? lock_pin_lock+0x350/0x350 [ 76.450054] ? graph_lock+0x170/0x170 [ 76.453877] ? noop_count+0x40/0x40 [ 76.457523] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 76.462552] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 76.467347] ? mark_held_locks+0x130/0x130 [ 76.471604] ? __lock_acquire+0x7ec/0x4ec0 [ 76.475856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 76.481152] ? rcu_bh_qs+0xc0/0xc0 [ 76.484706] ? unwind_dump+0x190/0x190 [ 76.488617] ? mark_held_locks+0x130/0x130 [ 76.492868] ? kernel_text_address+0x79/0xf0 [ 76.497304] ? __save_stack_trace+0x8d/0xf0 [ 76.501654] ? add_lock_to_list.isra.26+0x1ec/0x4b0 [ 76.506686] ? graph_lock+0x170/0x170 [ 76.510501] ? save_stack_trace+0x1a/0x20 [ 76.514699] ? kasan_check_read+0x11/0x20 [ 76.518881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.524433] ? _parse_integer+0x134/0x180 [ 76.528600] ? graph_lock+0x170/0x170 [ 76.532413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 76.537961] ? _kstrtoull+0x188/0x250 [ 76.541777] ? _parse_integer+0x180/0x180 [ 76.545938] ? graph_lock+0x170/0x170 [ 76.549750] ? lock_release+0x970/0x970 [ 76.553734] ? arch_local_save_flags+0x40/0x40 [ 76.558345] ? find_held_lock+0x36/0x1c0 [ 76.562426] ? graph_lock+0x170/0x170 [ 76.566242] ? get_pid_task+0xd6/0x1a0 [ 76.570147] ? lock_downgrade+0x900/0x900 [ 76.574305] ? check_preemption_disabled+0x48/0x200 [ 76.579351] ? find_held_lock+0x36/0x1c0 [ 76.583432] ? __f_unlock_pos+0x19/0x20 [ 76.587418] ? lock_downgrade+0x900/0x900 [ 76.591584] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 76.597130] ? proc_fail_nth_write+0x9e/0x210 [ 76.601637] ? proc_cwd_link+0x1d0/0x1d0 [ 76.605722] ? find_held_lock+0x36/0x1c0 [ 76.609806] _do_fork+0x1cb/0x11d0 [ 76.613372] ? fork_idle+0x1d0/0x1d0 [ 76.617129] ? __lock_is_held+0xb5/0x140 [ 76.621220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.626767] ? check_preemption_disabled+0x48/0x200 [ 76.631804] ? __sb_end_write+0xd9/0x110 [ 76.635881] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 76.641425] ? fput+0x130/0x1a0 [ 76.644716] ? do_syscall_64+0x9a/0x820 [ 76.648701] ? do_syscall_64+0x9a/0x820 [ 76.652692] ? lockdep_hardirqs_on+0x421/0x5c0 [ 76.657285] ? trace_hardirqs_on+0xbd/0x310 [ 76.661620] ? __ia32_sys_read+0xb0/0xb0 [ 76.665697] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.671077] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 76.676541] __x64_sys_clone+0xbf/0x150 [ 76.680532] do_syscall_64+0x1b9/0x820 [ 76.684429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 76.689807] ? syscall_return_slowpath+0x5e0/0x5e0 [ 76.694746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.699605] ? trace_hardirqs_on_caller+0x310/0x310 [ 76.704632] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 76.709660] ? prepare_exit_to_usermode+0x291/0x3b0 [ 76.714693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.719557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.724758] RIP: 0033:0x457569 [ 76.727964] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.746877] RSP: 002b:00007f95821cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 76.754605] RAX: ffffffffffffffda RBX: 00007f95821cfc90 RCX: 0000000000457569 [ 76.761882] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 76.769160] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 76.776436] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f95821d06d4 [ 76.783709] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 76.791015] CPU: 1 PID: 6926 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #58 [ 76.798413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.807783] Call Trace: [ 76.810393] dump_stack+0x1c4/0x2b4 [ 76.814053] ? dump_stack_print_info.cold.2+0x52/0x52 [ 76.819264] ? is_bpf_text_address+0xac/0x170 [ 76.823781] ? check_preemption_disabled+0x48/0x200 [ 76.828818] should_fail.cold.4+0xa/0x17 [ 76.832915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 76.838053] ? graph_lock+0x170/0x170 [ 76.841870] ? __lock_acquire+0x7ec/0x4ec0 [ 76.846120] ? graph_lock+0x170/0x170 [ 76.849955] ? __lock_is_held+0xb5/0x140 [ 76.854059] ? ___might_sleep+0x1ed/0x300 [ 76.858237] ? lock_release+0x970/0x970 [ 76.862236] ? arch_local_save_flags+0x40/0x40 [ 76.866835] ? kmem_cache_alloc+0x12e/0x730 [ 76.866855] ? pte_alloc_one+0x6b/0x1a0 [ 76.866868] ? __pte_alloc+0x2a/0x350 [ 76.866880] ? copy_page_range+0x18c5/0x26b0 [ 76.866890] ? copy_process+0x4721/0x8780 [ 76.866908] ? __might_sleep+0x95/0x190 [ 76.866928] __alloc_pages_nodemask+0x34b/0xde0 [ 76.875333] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 76.899931] FAULT_INJECTION: forcing a failure. [ 76.899931] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 76.901772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.901791] ? check_preemption_disabled+0x48/0x200 [ 76.901812] ? graph_lock+0x170/0x170 [ 76.901832] ? find_held_lock+0x36/0x1c0 [ 76.901864] ? __lock_is_held+0xb5/0x140 [ 76.936116] ? lock_downgrade+0x900/0x900 [ 76.940293] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 76.945857] alloc_pages_current+0x10c/0x210 [ 76.950282] ? ___might_sleep+0x1ed/0x300 [ 76.954447] pte_alloc_one+0x1b/0x1a0 [ 76.958262] __pte_alloc+0x2a/0x350 [ 76.961912] copy_page_range+0x18c5/0x26b0 [ 76.966365] ? pmd_alloc+0x180/0x180 [ 76.970103] ? graph_lock+0x170/0x170 [ 76.973921] ? kasan_slab_alloc+0x12/0x20 [ 76.978084] ? kmem_cache_alloc+0x12e/0x730 [ 76.982425] ? graph_lock+0x170/0x170 [ 76.986240] ? __x64_sys_clone+0xbf/0x150 [ 76.990399] ? do_syscall_64+0x1b9/0x820 [ 76.994477] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.999879] ? find_held_lock+0x36/0x1c0 [ 77.003961] ? anon_vma_fork+0x5ef/0x820 [ 77.008054] ? lock_downgrade+0x900/0x900 [ 77.012227] ? lock_release+0x970/0x970 [ 77.016225] ? arch_local_save_flags+0x40/0x40 [ 77.020830] ? __lock_is_held+0xb5/0x140 [ 77.024918] ? up_write+0x7b/0x220 [ 77.028473] ? up_read+0x110/0x110 [ 77.032061] ? anon_vma_interval_tree_insert+0x2c9/0x370 [ 77.037545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.042575] ? vma_compute_subtree_gap+0x160/0x240 [ 77.047520] ? validate_mm_rb+0xaa/0xc0 [ 77.051511] ? __vma_link_rb+0x26c/0x370 [ 77.055594] copy_process+0x4721/0x8780 [ 77.059614] ? __cleanup_sighand+0x70/0x70 [ 77.063867] ? mark_held_locks+0xc7/0x130 [ 77.068053] ? print_usage_bug+0xc0/0xc0 [ 77.072139] ? ima_match_policy+0x848/0x1560 [ 77.073375] FAULT_INJECTION: forcing a failure. [ 77.073375] name failslab, interval 1, probability 0, space 0, times 1 [ 77.076560] ? graph_lock+0x170/0x170 [ 77.076578] ? print_usage_bug+0xc0/0xc0 [ 77.076603] ? kasan_check_read+0x11/0x20 [ 77.099780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 77.105068] ? print_usage_bug+0xc0/0xc0 [ 77.109151] ? __lock_acquire+0x7ec/0x4ec0 [ 77.113420] ? mark_held_locks+0x130/0x130 [ 77.117682] ? mark_held_locks+0x130/0x130 [ 77.121945] ? up_write+0x7b/0x220 [ 77.125496] ? print_usage_bug+0xc0/0xc0 [ 77.129571] ? ima_get_action+0x7e/0xa0 [ 77.133571] ? graph_lock+0x170/0x170 [ 77.137406] ? __lock_acquire+0x7ec/0x4ec0 [ 77.141672] ? mark_held_locks+0x130/0x130 [ 77.145926] ? __lock_acquire+0x7ec/0x4ec0 [ 77.150170] ? print_usage_bug+0xc0/0xc0 [ 77.154247] ? rcu_bh_qs+0xc0/0xc0 [ 77.157800] ? dput.part.26+0x241/0x790 [ 77.161801] ? lock_downgrade+0x900/0x900 [ 77.165989] ? check_preemption_disabled+0x48/0x200 [ 77.171048] ? mark_held_locks+0x130/0x130 [ 77.175307] ? __lock_acquire+0x7ec/0x4ec0 [ 77.179558] ? graph_lock+0x170/0x170 [ 77.183371] ? dput.part.26+0x26d/0x790 [ 77.183747] FAULT_INJECTION: forcing a failure. [ 77.183747] name failslab, interval 1, probability 0, space 0, times 1 [ 77.187364] ? graph_lock+0x170/0x170 [ 77.187405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.207915] ? _parse_integer+0x134/0x180 [ 77.212078] ? graph_lock+0x170/0x170 [ 77.215891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.221444] ? _kstrtoull+0x188/0x250 [ 77.225265] ? _parse_integer+0x180/0x180 [ 77.229427] ? graph_lock+0x170/0x170 [ 77.233239] ? lock_release+0x970/0x970 [ 77.237227] ? arch_local_save_flags+0x40/0x40 [ 77.241838] ? find_held_lock+0x36/0x1c0 [ 77.245926] ? graph_lock+0x170/0x170 [ 77.249771] ? get_pid_task+0xd6/0x1a0 [ 77.253672] ? lock_downgrade+0x900/0x900 [ 77.257844] ? check_preemption_disabled+0x48/0x200 [ 77.262890] ? find_held_lock+0x36/0x1c0 [ 77.266983] ? __f_unlock_pos+0x19/0x20 [ 77.270983] ? lock_downgrade+0x900/0x900 [ 77.275162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.280709] ? proc_fail_nth_write+0x9e/0x210 [ 77.285215] ? proc_cwd_link+0x1d0/0x1d0 [ 77.289295] ? find_held_lock+0x36/0x1c0 [ 77.293376] _do_fork+0x1cb/0x11d0 [ 77.296932] ? fork_idle+0x1d0/0x1d0 [ 77.300662] ? __lock_is_held+0xb5/0x140 [ 77.304739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.310310] ? check_preemption_disabled+0x48/0x200 [ 77.315351] ? __sb_end_write+0xd9/0x110 [ 77.319430] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.324975] ? fput+0x130/0x1a0 [ 77.328265] ? do_syscall_64+0x9a/0x820 [ 77.332251] ? do_syscall_64+0x9a/0x820 [ 77.336239] ? lockdep_hardirqs_on+0x421/0x5c0 [ 77.340848] ? trace_hardirqs_on+0xbd/0x310 [ 77.345180] ? __ia32_sys_read+0xb0/0xb0 [ 77.349257] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.354636] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 77.360114] __x64_sys_clone+0xbf/0x150 [ 77.364110] do_syscall_64+0x1b9/0x820 [ 77.368008] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 77.373393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 77.378340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.383254] ? trace_hardirqs_on_caller+0x310/0x310 [ 77.388288] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 77.393319] ? prepare_exit_to_usermode+0x291/0x3b0 [ 77.398356] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.403223] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.408423] RIP: 0033:0x457569 [ 77.411637] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.430551] RSP: 002b:00007fefed36ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 77.438280] RAX: ffffffffffffffda RBX: 00007fefed36ec90 RCX: 0000000000457569 [ 77.445563] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 77.452865] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 77.460144] R10: 0000000020001180 R11: 0000000000000246 R12: 00007fefed36f6d4 [ 77.467427] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 77.474734] CPU: 0 PID: 6963 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #58 [ 77.481952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.491318] Call Trace: [ 77.493932] dump_stack+0x1c4/0x2b4 [ 77.497588] ? dump_stack_print_info.cold.2+0x52/0x52 [ 77.502794] ? graph_lock+0x170/0x170 [ 77.506609] ? kmem_cache_alloc+0x12e/0x730 [ 77.510956] should_fail.cold.4+0xa/0x17 [ 77.515081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 77.520218] ? find_held_lock+0x36/0x1c0 [ 77.524286] ? graph_lock+0x170/0x170 [ 77.524306] ? graph_lock+0x170/0x170 [ 77.524330] ? lock_downgrade+0x900/0x900 [ 77.524348] ? check_preemption_disabled+0x48/0x200 [ 77.524370] ? find_held_lock+0x36/0x1c0 [ 77.545171] ? __lock_is_held+0xb5/0x140 [ 77.549264] ? ___might_sleep+0x1ed/0x300 [ 77.553455] ? arch_local_save_flags+0x40/0x40 [ 77.558072] __should_failslab+0x124/0x180 [ 77.562330] should_failslab+0x9/0x14 [ 77.566158] kmem_cache_alloc+0x2be/0x730 [ 77.570333] ? dup_userfaultfd+0x6d8/0x890 [ 77.574597] anon_vma_fork+0x196/0x820 [ 77.578506] ? anon_vma_clone+0x710/0x710 [ 77.582665] ? vm_area_dup+0x1a8/0x230 [ 77.586561] ? vm_area_alloc+0x1d0/0x1d0 [ 77.590643] copy_process+0x47c7/0x8780 [ 77.594667] ? __cleanup_sighand+0x70/0x70 [ 77.598918] ? mark_held_locks+0xc7/0x130 [ 77.603088] ? print_usage_bug+0xc0/0xc0 [ 77.607165] ? ima_match_policy+0x848/0x1560 [ 77.611585] ? graph_lock+0x170/0x170 [ 77.615398] ? print_usage_bug+0xc0/0xc0 [ 77.619471] ? kasan_check_read+0x11/0x20 [ 77.623631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 77.628920] ? print_usage_bug+0xc0/0xc0 [ 77.632998] ? __lock_acquire+0x7ec/0x4ec0 [ 77.637263] ? mark_held_locks+0x130/0x130 [ 77.641523] ? mark_held_locks+0x130/0x130 [ 77.645771] ? up_write+0x7b/0x220 [ 77.649322] ? print_usage_bug+0xc0/0xc0 [ 77.653487] ? ima_get_action+0x7e/0xa0 [ 77.657485] ? graph_lock+0x170/0x170 [ 77.661454] ? __lock_acquire+0x7ec/0x4ec0 [ 77.665716] ? mark_held_locks+0x130/0x130 [ 77.669963] ? __lock_acquire+0x7ec/0x4ec0 [ 77.674212] ? print_usage_bug+0xc0/0xc0 [ 77.678283] ? rcu_bh_qs+0xc0/0xc0 [ 77.681833] ? dput.part.26+0x241/0x790 [ 77.685818] ? lock_downgrade+0x900/0x900 [ 77.689978] ? check_preemption_disabled+0x48/0x200 [ 77.695024] ? mark_held_locks+0x130/0x130 [ 77.699280] ? __lock_acquire+0x7ec/0x4ec0 [ 77.703527] ? graph_lock+0x170/0x170 [ 77.707342] ? dput.part.26+0x26d/0x790 [ 77.711341] ? graph_lock+0x170/0x170 [ 77.715176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.720728] ? _parse_integer+0x134/0x180 [ 77.724893] ? graph_lock+0x170/0x170 [ 77.728704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.734253] ? _kstrtoull+0x188/0x250 [ 77.738063] ? _parse_integer+0x180/0x180 [ 77.742224] ? graph_lock+0x170/0x170 [ 77.746042] ? lock_release+0x970/0x970 [ 77.750033] ? arch_local_save_flags+0x40/0x40 [ 77.754630] ? find_held_lock+0x36/0x1c0 [ 77.758702] ? graph_lock+0x170/0x170 [ 77.762514] ? get_pid_task+0xd6/0x1a0 [ 77.766414] ? lock_downgrade+0x900/0x900 [ 77.770572] ? check_preemption_disabled+0x48/0x200 [ 77.775610] ? find_held_lock+0x36/0x1c0 [ 77.779695] ? __f_unlock_pos+0x19/0x20 [ 77.783685] ? lock_downgrade+0x900/0x900 [ 77.787854] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.793604] ? proc_fail_nth_write+0x9e/0x210 [ 77.798106] ? proc_cwd_link+0x1d0/0x1d0 [ 77.802237] ? find_held_lock+0x36/0x1c0 [ 77.806344] _do_fork+0x1cb/0x11d0 [ 77.809906] ? fork_idle+0x1d0/0x1d0 [ 77.813641] ? __lock_is_held+0xb5/0x140 [ 77.817719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.823278] ? check_preemption_disabled+0x48/0x200 [ 77.828316] ? __sb_end_write+0xd9/0x110 [ 77.832397] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.837941] ? fput+0x130/0x1a0 [ 77.841229] ? do_syscall_64+0x9a/0x820 [ 77.845210] ? do_syscall_64+0x9a/0x820 [ 77.849192] ? lockdep_hardirqs_on+0x421/0x5c0 [ 77.853800] ? trace_hardirqs_on+0xbd/0x310 [ 77.858162] ? __ia32_sys_read+0xb0/0xb0 [ 77.862232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.867603] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 77.873083] __x64_sys_clone+0xbf/0x150 [ 77.877127] do_syscall_64+0x1b9/0x820 [ 77.881069] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 77.886443] ? syscall_return_slowpath+0x5e0/0x5e0 [ 77.891379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.896257] ? trace_hardirqs_on_caller+0x310/0x310 [ 77.901634] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 77.906671] ? prepare_exit_to_usermode+0x291/0x3b0 [ 77.911720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.916597] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.921799] RIP: 0033:0x457569 [ 77.925002] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.943921] RSP: 002b:00007f946a0e4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 77.951684] RAX: ffffffffffffffda RBX: 00007f946a0e4c90 RCX: 0000000000457569 [ 77.958963] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 77.966237] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 77.973508] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f946a0e56d4 [ 77.980779] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 77.988079] CPU: 1 PID: 6960 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #58 [ 77.995288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.004649] Call Trace: 2018/10/13 11:26:53 executed programs: 6 [ 78.007282] dump_stack+0x1c4/0x2b4 [ 78.010940] ? dump_stack_print_info.cold.2+0x52/0x52 [ 78.016185] should_fail.cold.4+0xa/0x17 [ 78.020294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 78.025412] ? graph_lock+0x170/0x170 [ 78.029227] ? __x64_sys_clone+0xbf/0x150 [ 78.033404] ? do_syscall_64+0x1b9/0x820 [ 78.037481] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.042866] ? graph_lock+0x170/0x170 [ 78.046689] ? graph_lock+0x170/0x170 [ 78.046816] FAULT_INJECTION: forcing a failure. [ 78.046816] name failslab, interval 1, probability 0, space 0, times 1 [ 78.050500] ? find_held_lock+0x36/0x1c0 [ 78.050525] ? find_held_lock+0x36/0x1c0 [ 78.050544] ? __lock_is_held+0xb5/0x140 [ 78.050571] ? ___might_sleep+0x1ed/0x300 [ 78.050588] ? arch_local_save_flags+0x40/0x40 [ 78.050617] ? up_write+0x7b/0x220 [ 78.086211] __should_failslab+0x124/0x180 [ 78.090463] should_failslab+0x9/0x14 [ 78.094295] kmem_cache_alloc+0x2be/0x730 [ 78.098462] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.103489] vm_area_dup+0x7a/0x230 [ 78.107159] ? vm_area_alloc+0x1d0/0x1d0 [ 78.111237] copy_process+0x42a0/0x8780 [ 78.115255] ? __cleanup_sighand+0x70/0x70 [ 78.119508] ? mark_held_locks+0xc7/0x130 [ 78.123680] ? print_usage_bug+0xc0/0xc0 [ 78.127760] ? ima_match_policy+0x848/0x1560 [ 78.132181] ? graph_lock+0x170/0x170 [ 78.135994] ? print_usage_bug+0xc0/0xc0 [ 78.140076] ? kasan_check_read+0x11/0x20 [ 78.144236] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 78.149522] ? print_usage_bug+0xc0/0xc0 [ 78.153610] ? __lock_acquire+0x7ec/0x4ec0 [ 78.157874] ? mark_held_locks+0x130/0x130 [ 78.162154] ? mark_held_locks+0x130/0x130 [ 78.166401] ? up_write+0x7b/0x220 [ 78.169986] ? print_usage_bug+0xc0/0xc0 [ 78.174068] ? ima_get_action+0x7e/0xa0 [ 78.178102] ? graph_lock+0x170/0x170 [ 78.181955] ? __lock_acquire+0x7ec/0x4ec0 [ 78.186211] ? mark_held_locks+0x130/0x130 [ 78.190462] ? __lock_acquire+0x7ec/0x4ec0 [ 78.194709] ? print_usage_bug+0xc0/0xc0 [ 78.198784] ? rcu_bh_qs+0xc0/0xc0 [ 78.202326] ? dput.part.26+0x241/0x790 [ 78.206313] ? lock_downgrade+0x900/0x900 [ 78.210476] ? check_preemption_disabled+0x48/0x200 [ 78.215517] ? mark_held_locks+0x130/0x130 [ 78.219766] ? __lock_acquire+0x7ec/0x4ec0 [ 78.224013] ? graph_lock+0x170/0x170 [ 78.227842] ? dput.part.26+0x26d/0x790 [ 78.231843] ? graph_lock+0x170/0x170 [ 78.235670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.241223] ? _parse_integer+0x134/0x180 [ 78.245391] ? graph_lock+0x170/0x170 [ 78.249203] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.254755] ? _kstrtoull+0x188/0x250 [ 78.258571] ? _parse_integer+0x180/0x180 [ 78.262730] ? graph_lock+0x170/0x170 [ 78.266803] ? lock_release+0x970/0x970 [ 78.270788] ? arch_local_save_flags+0x40/0x40 [ 78.275392] ? find_held_lock+0x36/0x1c0 [ 78.279462] ? graph_lock+0x170/0x170 [ 78.283275] ? get_pid_task+0xd6/0x1a0 [ 78.287173] ? lock_downgrade+0x900/0x900 [ 78.291332] ? check_preemption_disabled+0x48/0x200 [ 78.296371] ? find_held_lock+0x36/0x1c0 [ 78.300453] ? __f_unlock_pos+0x19/0x20 [ 78.304438] ? lock_downgrade+0x900/0x900 [ 78.308603] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.314148] ? proc_fail_nth_write+0x9e/0x210 [ 78.318647] ? proc_cwd_link+0x1d0/0x1d0 [ 78.322737] ? find_held_lock+0x36/0x1c0 [ 78.326814] _do_fork+0x1cb/0x11d0 [ 78.330376] ? fork_idle+0x1d0/0x1d0 [ 78.334120] ? __lock_is_held+0xb5/0x140 [ 78.338199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.343780] ? check_preemption_disabled+0x48/0x200 [ 78.348854] ? __sb_end_write+0xd9/0x110 [ 78.352945] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.358493] ? fput+0x130/0x1a0 [ 78.361781] ? do_syscall_64+0x9a/0x820 [ 78.365767] ? do_syscall_64+0x9a/0x820 [ 78.369790] ? lockdep_hardirqs_on+0x421/0x5c0 [ 78.374398] ? trace_hardirqs_on+0xbd/0x310 [ 78.378745] ? __ia32_sys_read+0xb0/0xb0 [ 78.382857] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.388230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 78.393693] __x64_sys_clone+0xbf/0x150 [ 78.397683] do_syscall_64+0x1b9/0x820 [ 78.401584] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 78.406961] ? syscall_return_slowpath+0x5e0/0x5e0 [ 78.411894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.416793] ? trace_hardirqs_on_caller+0x310/0x310 [ 78.421865] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 78.426891] ? prepare_exit_to_usermode+0x291/0x3b0 [ 78.431925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.436789] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.441999] RIP: 0033:0x457569 [ 78.445210] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.464127] RSP: 002b:00007f21ea999c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 78.471856] RAX: ffffffffffffffda RBX: 00007f21ea999c90 RCX: 0000000000457569 [ 78.479135] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 78.486419] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 78.493691] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f21ea99a6d4 [ 78.500998] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 78.508458] CPU: 0 PID: 6952 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #58 [ 78.515686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.525071] Call Trace: [ 78.525097] dump_stack+0x1c4/0x2b4 [ 78.525115] ? dump_stack_print_info.cold.2+0x52/0x52 [ 78.525134] ? print_usage_bug+0xc0/0xc0 [ 78.525157] should_fail.cold.4+0xa/0x17 [ 78.540610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 78.540631] ? graph_lock+0x170/0x170 [ 78.540647] ? graph_lock+0x170/0x170 [ 78.540662] ? __lock_acquire+0x7ec/0x4ec0 [ 78.540679] ? print_usage_bug+0xc0/0xc0 [ 78.540696] ? __lock_acquire+0x7ec/0x4ec0 [ 78.569997] ? __lock_is_held+0xb5/0x140 [ 78.574116] ? ___might_sleep+0x1ed/0x300 [ 78.578280] ? lock_release+0x970/0x970 [ 78.582265] ? arch_local_save_flags+0x40/0x40 [ 78.582285] ? print_usage_bug+0xc0/0xc0 [ 78.582306] ? __might_sleep+0x95/0x190 [ 78.582334] __alloc_pages_nodemask+0x34b/0xde0 [ 78.599599] ? __lock_acquire+0x7ec/0x4ec0 [ 78.603854] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 78.608891] ? print_usage_bug+0xc0/0xc0 [ 78.612983] ? find_held_lock+0x36/0x1c0 [ 78.617069] ? __lock_acquire+0x7ec/0x4ec0 [ 78.621320] ? is_bpf_text_address+0xac/0x170 [ 78.625831] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 78.631385] alloc_pages_current+0x10c/0x210 [ 78.635810] pte_alloc_one+0x1b/0x1a0 [ 78.639622] __pte_alloc+0x2a/0x350 [ 78.643262] copy_page_range+0x18c5/0x26b0 [ 78.647507] ? rb_insert_color_cached+0x14b0/0x14b0 [ 78.652561] ? pmd_alloc+0x180/0x180 [ 78.656285] ? graph_lock+0x170/0x170 [ 78.660114] ? kasan_slab_alloc+0x12/0x20 [ 78.664271] ? kmem_cache_alloc+0x12e/0x730 [ 78.668601] ? graph_lock+0x170/0x170 [ 78.672407] ? __x64_sys_clone+0xbf/0x150 [ 78.676562] ? do_syscall_64+0x1b9/0x820 [ 78.680630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.686034] ? find_held_lock+0x36/0x1c0 [ 78.690119] ? anon_vma_fork+0x5ef/0x820 [ 78.694225] ? lock_downgrade+0x900/0x900 [ 78.698399] ? lock_release+0x970/0x970 [ 78.702382] ? arch_local_save_flags+0x40/0x40 [ 78.706978] ? __lock_is_held+0xb5/0x140 [ 78.711067] ? up_write+0x7b/0x220 [ 78.714611] ? up_read+0x110/0x110 [ 78.718162] ? anon_vma_interval_tree_insert+0x2c9/0x370 [ 78.723633] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.728659] ? vma_compute_subtree_gap+0x160/0x240 [ 78.733685] ? validate_mm_rb+0xaa/0xc0 [ 78.737669] ? __vma_link_rb+0x26c/0x370 [ 78.741744] copy_process+0x4721/0x8780 [ 78.745760] ? __cleanup_sighand+0x70/0x70 [ 78.750010] ? mark_held_locks+0xc7/0x130 [ 78.754186] ? print_usage_bug+0xc0/0xc0 [ 78.758261] ? ima_match_policy+0x848/0x1560 [ 78.762683] ? graph_lock+0x170/0x170 [ 78.766497] ? print_usage_bug+0xc0/0xc0 [ 78.770566] ? kasan_check_read+0x11/0x20 [ 78.774724] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 78.780005] ? print_usage_bug+0xc0/0xc0 [ 78.784090] ? __lock_acquire+0x7ec/0x4ec0 [ 78.788369] ? mark_held_locks+0x130/0x130 [ 78.792641] ? mark_held_locks+0x130/0x130 [ 78.797407] ? up_write+0x7b/0x220 [ 78.800962] ? print_usage_bug+0xc0/0xc0 [ 78.805044] ? ima_get_action+0x7e/0xa0 [ 78.809066] ? graph_lock+0x170/0x170 [ 78.812899] ? __lock_acquire+0x7ec/0x4ec0 [ 78.817156] ? mark_held_locks+0x130/0x130 [ 78.821405] ? __lock_acquire+0x7ec/0x4ec0 [ 78.825647] ? print_usage_bug+0xc0/0xc0 [ 78.829719] ? rcu_bh_qs+0xc0/0xc0 [ 78.833265] ? dput.part.26+0x241/0x790 [ 78.837256] ? lock_downgrade+0x900/0x900 [ 78.841418] ? check_preemption_disabled+0x48/0x200 [ 78.846462] ? mark_held_locks+0x130/0x130 [ 78.850722] ? __lock_acquire+0x7ec/0x4ec0 [ 78.854979] ? graph_lock+0x170/0x170 [ 78.858795] ? dput.part.26+0x26d/0x790 [ 78.862797] ? graph_lock+0x170/0x170 [ 78.866630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.872183] ? _parse_integer+0x134/0x180 [ 78.876354] ? graph_lock+0x170/0x170 [ 78.880171] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.885731] ? _kstrtoull+0x188/0x250 [ 78.889550] ? _parse_integer+0x180/0x180 [ 78.893713] ? graph_lock+0x170/0x170 [ 78.897532] ? lock_release+0x970/0x970 [ 78.901522] ? arch_local_save_flags+0x40/0x40 [ 78.906126] ? find_held_lock+0x36/0x1c0 [ 78.910214] ? graph_lock+0x170/0x170 [ 78.914032] ? get_pid_task+0xd6/0x1a0 [ 78.917959] ? lock_downgrade+0x900/0x900 [ 78.922121] ? check_preemption_disabled+0x48/0x200 [ 78.927163] ? find_held_lock+0x36/0x1c0 [ 78.931250] ? __f_unlock_pos+0x19/0x20 [ 78.935240] ? lock_downgrade+0x900/0x900 [ 78.939409] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.944960] ? proc_fail_nth_write+0x9e/0x210 [ 78.949466] ? proc_cwd_link+0x1d0/0x1d0 [ 78.953546] ? find_held_lock+0x36/0x1c0 [ 78.957619] _do_fork+0x1cb/0x11d0 [ 78.961175] ? fork_idle+0x1d0/0x1d0 [ 78.964905] ? __lock_is_held+0xb5/0x140 [ 78.968982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.974529] ? check_preemption_disabled+0x48/0x200 [ 78.979558] ? __sb_end_write+0xd9/0x110 [ 78.983634] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.989175] ? fput+0x130/0x1a0 [ 78.992466] ? do_syscall_64+0x9a/0x820 [ 78.996449] ? do_syscall_64+0x9a/0x820 [ 79.000433] ? lockdep_hardirqs_on+0x421/0x5c0 [ 79.005025] ? trace_hardirqs_on+0xbd/0x310 [ 79.009364] ? __ia32_sys_read+0xb0/0xb0 [ 79.013436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.018809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 79.024280] __x64_sys_clone+0xbf/0x150 [ 79.028273] do_syscall_64+0x1b9/0x820 [ 79.032169] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 79.037544] ? syscall_return_slowpath+0x5e0/0x5e0 [ 79.042481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.047353] ? trace_hardirqs_on_caller+0x310/0x310 [ 79.052387] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 79.057419] ? prepare_exit_to_usermode+0x291/0x3b0 [ 79.062455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.067317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.072523] RIP: 0033:0x457569 [ 79.075723] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.094637] RSP: 002b:00007f5b5c848c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 79.102370] RAX: ffffffffffffffda RBX: 00007f5b5c848c90 RCX: 0000000000457569 [ 79.109659] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 79.116946] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 79.124231] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f5b5c8496d4 [ 79.131519] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 79.138840] CPU: 1 PID: 6967 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #58 [ 79.146063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.154053] FAULT_INJECTION: forcing a failure. [ 79.154053] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 79.155421] Call Trace: [ 79.155446] dump_stack+0x1c4/0x2b4 [ 79.155467] ? dump_stack_print_info.cold.2+0x52/0x52 [ 79.155494] should_fail.cold.4+0xa/0x17 [ 79.182755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 79.187876] ? check_preemption_disabled+0x48/0x200 [ 79.191269] FAULT_INJECTION: forcing a failure. [ 79.191269] name failslab, interval 1, probability 0, space 0, times 0 [ 79.192900] ? check_preemption_disabled+0x48/0x200 [ 79.192925] ? graph_lock+0x170/0x170 [ 79.212946] ? graph_lock+0x170/0x170 [ 79.216772] ? find_held_lock+0x36/0x1c0 [ 79.220864] ? __lock_is_held+0xb5/0x140 [ 79.224956] ? ___might_sleep+0x1ed/0x300 [ 79.229122] ? find_held_lock+0x36/0x1c0 [ 79.233203] ? arch_local_save_flags+0x40/0x40 [ 79.234836] FAULT_INJECTION: forcing a failure. [ 79.234836] name failslab, interval 1, probability 0, space 0, times 0 [ 79.237807] __should_failslab+0x124/0x180 [ 79.237832] should_failslab+0x9/0x14 [ 79.237849] kmem_cache_alloc+0x2be/0x730 [ 79.237878] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 79.266792] ptlock_alloc+0x20/0x80 [ 79.270451] pte_alloc_one+0x6b/0x1a0 [ 79.274271] __pte_alloc+0x2a/0x350 [ 79.277914] copy_page_range+0x18c5/0x26b0 [ 79.282195] ? pmd_alloc+0x180/0x180 [ 79.285937] ? graph_lock+0x170/0x170 [ 79.289747] ? kasan_slab_alloc+0x12/0x20 [ 79.293906] ? kmem_cache_alloc+0x12e/0x730 [ 79.298243] ? graph_lock+0x170/0x170 [ 79.302060] ? __x64_sys_clone+0xbf/0x150 [ 79.306224] ? do_syscall_64+0x1b9/0x820 [ 79.310300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.315689] ? find_held_lock+0x36/0x1c0 [ 79.319771] ? anon_vma_fork+0x5ef/0x820 [ 79.323866] ? lock_downgrade+0x900/0x900 [ 79.328040] ? lock_release+0x970/0x970 [ 79.332038] ? arch_local_save_flags+0x40/0x40 [ 79.336636] ? __lock_is_held+0xb5/0x140 [ 79.340724] ? up_write+0x7b/0x220 [ 79.340738] ? up_read+0x110/0x110 [ 79.340756] ? anon_vma_interval_tree_insert+0x2c9/0x370 [ 79.340785] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 79.340803] ? vma_compute_subtree_gap+0x160/0x240 [ 79.353372] ? validate_mm_rb+0xaa/0xc0 [ 79.353392] ? __vma_link_rb+0x26c/0x370 [ 79.353413] copy_process+0x4721/0x8780 [ 79.353462] ? __cleanup_sighand+0x70/0x70 [ 79.379617] ? mark_held_locks+0xc7/0x130 [ 79.379644] ? print_usage_bug+0xc0/0xc0 [ 79.379664] ? ima_match_policy+0x848/0x1560 [ 79.392357] ? graph_lock+0x170/0x170 [ 79.396169] ? print_usage_bug+0xc0/0xc0 [ 79.400240] ? kasan_check_read+0x11/0x20 [ 79.404402] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 79.409690] ? print_usage_bug+0xc0/0xc0 [ 79.413778] ? __lock_acquire+0x7ec/0x4ec0 [ 79.418056] ? mark_held_locks+0x130/0x130 [ 79.422320] ? mark_held_locks+0x130/0x130 [ 79.426584] ? up_write+0x7b/0x220 [ 79.430139] ? print_usage_bug+0xc0/0xc0 [ 79.432401] FAULT_INJECTION: forcing a failure. [ 79.432401] name failslab, interval 1, probability 0, space 0, times 0 [ 79.434218] ? ima_get_action+0x7e/0xa0 [ 79.449378] ? graph_lock+0x170/0x170 [ 79.453210] ? __lock_acquire+0x7ec/0x4ec0 [ 79.457468] ? mark_held_locks+0x130/0x130 [ 79.461720] ? __lock_acquire+0x7ec/0x4ec0 [ 79.465960] ? print_usage_bug+0xc0/0xc0 [ 79.470042] ? rcu_bh_qs+0xc0/0xc0 [ 79.473587] ? dput.part.26+0x241/0x790 [ 79.477574] ? lock_downgrade+0x900/0x900 [ 79.481737] ? check_preemption_disabled+0x48/0x200 [ 79.486773] ? mark_held_locks+0x130/0x130 [ 79.491031] ? __lock_acquire+0x7ec/0x4ec0 [ 79.495278] ? graph_lock+0x170/0x170 [ 79.499089] ? dput.part.26+0x26d/0x790 [ 79.503078] ? graph_lock+0x170/0x170 [ 79.506911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.512459] ? _parse_integer+0x134/0x180 [ 79.516622] ? graph_lock+0x170/0x170 [ 79.520430] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 79.525978] ? _kstrtoull+0x188/0x250 [ 79.529790] ? _parse_integer+0x180/0x180 [ 79.533950] ? graph_lock+0x170/0x170 [ 79.537763] ? lock_release+0x970/0x970 [ 79.541750] ? arch_local_save_flags+0x40/0x40 [ 79.546355] ? find_held_lock+0x36/0x1c0 [ 79.550434] ? graph_lock+0x170/0x170 [ 79.554248] ? get_pid_task+0xd6/0x1a0 [ 79.558144] ? lock_downgrade+0x900/0x900 [ 79.562305] ? check_preemption_disabled+0x48/0x200 [ 79.567342] ? find_held_lock+0x36/0x1c0 [ 79.571428] ? __f_unlock_pos+0x19/0x20 [ 79.575413] ? lock_downgrade+0x900/0x900 [ 79.579571] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 79.585138] ? proc_fail_nth_write+0x9e/0x210 [ 79.589638] ? proc_cwd_link+0x1d0/0x1d0 [ 79.590720] FAULT_INJECTION: forcing a failure. [ 79.590720] name failslab, interval 1, probability 0, space 0, times 0 [ 79.593740] ? find_held_lock+0x36/0x1c0 [ 79.593762] _do_fork+0x1cb/0x11d0 [ 79.593786] ? fork_idle+0x1d0/0x1d0 [ 79.616287] ? __lock_is_held+0xb5/0x140 [ 79.620368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.625920] ? check_preemption_disabled+0x48/0x200 [ 79.630955] ? __sb_end_write+0xd9/0x110 [ 79.635039] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 79.640581] ? fput+0x130/0x1a0 [ 79.643874] ? do_syscall_64+0x9a/0x820 [ 79.647861] ? do_syscall_64+0x9a/0x820 [ 79.651851] ? lockdep_hardirqs_on+0x421/0x5c0 [ 79.656444] ? trace_hardirqs_on+0xbd/0x310 [ 79.660773] ? __ia32_sys_read+0xb0/0xb0 [ 79.664853] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.670227] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 79.675705] __x64_sys_clone+0xbf/0x150 [ 79.679721] do_syscall_64+0x1b9/0x820 [ 79.683633] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 79.689010] ? syscall_return_slowpath+0x5e0/0x5e0 [ 79.693957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.698814] ? trace_hardirqs_on_caller+0x310/0x310 [ 79.703851] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 79.708879] ? prepare_exit_to_usermode+0x291/0x3b0 [ 79.713912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.718775] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.723978] RIP: 0033:0x457569 [ 79.727186] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.746113] RSP: 002b:00007fdcb5edfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 79.753850] RAX: ffffffffffffffda RBX: 00007fdcb5edfc90 RCX: 0000000000457569 [ 79.761127] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 79.768406] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 79.775686] R10: 0000000020001180 R11: 0000000000000246 R12: 00007fdcb5ee06d4 [ 79.782973] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 79.790272] CPU: 0 PID: 6974 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #58 [ 79.797490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.806844] Call Trace: [ 79.809448] dump_stack+0x1c4/0x2b4 [ 79.813096] ? dump_stack_print_info.cold.2+0x52/0x52 [ 79.818298] ? lock_downgrade+0x900/0x900 [ 79.822470] ? check_preemption_disabled+0x48/0x200 [ 79.827508] should_fail.cold.4+0xa/0x17 [ 79.831588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 79.836701] ? unwind_dump+0x190/0x190 [ 79.840611] ? is_bpf_text_address+0xd3/0x170 [ 79.845126] ? kernel_text_address+0x79/0xf0 [ 79.849545] ? __kernel_text_address+0xd/0x40 [ 79.854053] ? unwind_get_return_address+0x61/0xa0 [ 79.859001] ? __save_stack_trace+0x8d/0xf0 [ 79.863361] ? save_stack+0xa9/0xd0 [ 79.867014] ? save_stack+0x43/0xd0 [ 79.870649] ? kasan_kmalloc+0xc7/0xe0 [ 79.874540] ? kasan_slab_alloc+0x12/0x20 [ 79.878702] ? kmem_cache_alloc+0x12e/0x730 [ 79.883035] ? vm_area_dup+0x7a/0x230 [ 79.886851] ? copy_process+0x42a0/0x8780 [ 79.891005] ? __x64_sys_clone+0xbf/0x150 [ 79.895162] ? do_syscall_64+0x1b9/0x820 [ 79.899228] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.904711] ? percpu_ref_put_many+0x11c/0x260 [ 79.909314] __should_failslab+0x124/0x180 [ 79.913614] should_failslab+0x9/0x14 [ 79.917424] kmem_cache_alloc+0x47/0x730 [ 79.921495] ? rcu_bh_qs+0xc0/0xc0 [ 79.925066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.930654] ? check_preemption_disabled+0x48/0x200 [ 79.935692] ? check_preemption_disabled+0x48/0x200 [ 79.940742] anon_vma_clone+0x140/0x710 [ 79.944737] ? unlink_anon_vmas+0xa60/0xa60 [ 79.949107] ? dup_userfaultfd+0x6d8/0x890 [ 79.953372] anon_vma_fork+0xf4/0x820 [ 79.957220] ? anon_vma_clone+0x710/0x710 [ 79.961380] ? vm_area_dup+0x1a8/0x230 [ 79.965272] ? vm_area_alloc+0x1d0/0x1d0 [ 79.969370] copy_process+0x47c7/0x8780 [ 79.973404] ? __cleanup_sighand+0x70/0x70 [ 79.977652] ? mark_held_locks+0xc7/0x130 [ 79.981818] ? print_usage_bug+0xc0/0xc0 [ 79.985892] ? ima_match_policy+0x848/0x1560 [ 79.990311] ? graph_lock+0x170/0x170 [ 79.994138] ? print_usage_bug+0xc0/0xc0 [ 79.998206] ? kasan_check_read+0x11/0x20 [ 80.002369] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 80.007650] ? print_usage_bug+0xc0/0xc0 [ 80.011736] ? __lock_acquire+0x7ec/0x4ec0 [ 80.016009] ? mark_held_locks+0x130/0x130 [ 80.020267] ? mark_held_locks+0x130/0x130 [ 80.024529] ? up_write+0x7b/0x220 [ 80.028078] ? print_usage_bug+0xc0/0xc0 [ 80.032151] ? ima_get_action+0x7e/0xa0 [ 80.036146] ? graph_lock+0x170/0x170 [ 80.039973] ? __lock_acquire+0x7ec/0x4ec0 [ 80.044228] ? mark_held_locks+0x130/0x130 [ 80.048477] ? __lock_acquire+0x7ec/0x4ec0 [ 80.052719] ? print_usage_bug+0xc0/0xc0 [ 80.056791] ? rcu_bh_qs+0xc0/0xc0 [ 80.060343] ? dput.part.26+0x241/0x790 [ 80.064336] ? lock_downgrade+0x900/0x900 [ 80.068493] ? check_preemption_disabled+0x48/0x200 [ 80.073530] ? mark_held_locks+0x130/0x130 [ 80.077802] ? __lock_acquire+0x7ec/0x4ec0 [ 80.082054] ? graph_lock+0x170/0x170 [ 80.085873] ? dput.part.26+0x26d/0x790 [ 80.089862] ? graph_lock+0x170/0x170 [ 80.093693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.099236] ? _parse_integer+0x134/0x180 [ 80.103393] ? graph_lock+0x170/0x170 [ 80.107206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.112768] ? _kstrtoull+0x188/0x250 [ 80.116577] ? _parse_integer+0x180/0x180 [ 80.120762] ? graph_lock+0x170/0x170 [ 80.124574] ? lock_release+0x970/0x970 [ 80.128556] ? arch_local_save_flags+0x40/0x40 [ 80.133168] ? find_held_lock+0x36/0x1c0 [ 80.137242] ? graph_lock+0x170/0x170 [ 80.141063] ? get_pid_task+0xd6/0x1a0 [ 80.144965] ? lock_downgrade+0x900/0x900 [ 80.149125] ? check_preemption_disabled+0x48/0x200 [ 80.154170] ? find_held_lock+0x36/0x1c0 [ 80.158260] ? __f_unlock_pos+0x19/0x20 [ 80.162246] ? lock_downgrade+0x900/0x900 [ 80.166404] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.171951] ? proc_fail_nth_write+0x9e/0x210 [ 80.176452] ? proc_cwd_link+0x1d0/0x1d0 [ 80.180529] ? find_held_lock+0x36/0x1c0 [ 80.184605] _do_fork+0x1cb/0x11d0 [ 80.188166] ? fork_idle+0x1d0/0x1d0 [ 80.191892] ? __lock_is_held+0xb5/0x140 [ 80.195972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.201521] ? check_preemption_disabled+0x48/0x200 [ 80.206555] ? __sb_end_write+0xd9/0x110 [ 80.210633] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.216180] ? fput+0x130/0x1a0 [ 80.219472] ? do_syscall_64+0x9a/0x820 [ 80.223457] ? do_syscall_64+0x9a/0x820 [ 80.227440] ? lockdep_hardirqs_on+0x421/0x5c0 [ 80.232032] ? trace_hardirqs_on+0xbd/0x310 [ 80.236365] ? __ia32_sys_read+0xb0/0xb0 [ 80.240436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.245810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 80.251299] __x64_sys_clone+0xbf/0x150 [ 80.255303] do_syscall_64+0x1b9/0x820 [ 80.259213] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.264589] ? syscall_return_slowpath+0x5e0/0x5e0 [ 80.269527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.274378] ? trace_hardirqs_on_caller+0x310/0x310 [ 80.279403] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 80.284432] ? prepare_exit_to_usermode+0x291/0x3b0 [ 80.289464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.294329] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.299547] RIP: 0033:0x457569 [ 80.302751] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.321706] RSP: 002b:00007fefed34dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 80.329425] RAX: ffffffffffffffda RBX: 00007fefed34dc90 RCX: 0000000000457569 [ 80.336710] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 80.343984] RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 [ 80.351256] R10: 0000000020001180 R11: 0000000000000246 R12: 00007fefed34e6d4 [ 80.358528] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000003 [ 80.365849] CPU: 1 PID: 6976 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #58 [ 80.373068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.382424] Call Trace: [ 80.385038] dump_stack+0x1c4/0x2b4 [ 80.388679] ? dump_stack_print_info.cold.2+0x52/0x52 [ 80.393895] should_fail.cold.4+0xa/0x17 [ 80.397976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 80.403096] ? graph_lock+0x170/0x170 [ 80.406901] ? __x64_sys_clone+0xbf/0x150 [ 80.411065] ? do_syscall_64+0x1b9/0x820 [ 80.415132] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.420502] ? graph_lock+0x170/0x170 [ 80.424321] ? graph_lock+0x170/0x170 [ 80.428133] ? find_held_lock+0x36/0x1c0 [ 80.432208] ? find_held_lock+0x36/0x1c0 [ 80.436280] ? __lock_is_held+0xb5/0x140 [ 80.440365] ? ___might_sleep+0x1ed/0x300 [ 80.444531] ? arch_local_save_flags+0x40/0x40 [ 80.449135] ? up_write+0x7b/0x220 [ 80.452691] __should_failslab+0x124/0x180 [ 80.456936] should_failslab+0x9/0x14 [ 80.460749] kmem_cache_alloc+0x2be/0x730 [ 80.464906] ? anon_vma_fork+0x13c/0x820 [ 80.469005] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 80.474109] vm_area_dup+0x7a/0x230 [ 80.477756] ? vm_area_alloc+0x1d0/0x1d0 [ 80.481836] ? __vma_link_rb+0x26c/0x370 [ 80.485920] copy_process+0x42a0/0x8780 [ 80.489949] ? __cleanup_sighand+0x70/0x70 [ 80.494199] ? mark_held_locks+0xc7/0x130 [ 80.498374] ? print_usage_bug+0xc0/0xc0 [ 80.502449] ? ima_match_policy+0x848/0x1560 [ 80.506871] ? graph_lock+0x170/0x170 [ 80.510695] ? print_usage_bug+0xc0/0xc0 [ 80.514770] ? kasan_check_read+0x11/0x20 [ 80.518927] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 80.524205] ? print_usage_bug+0xc0/0xc0 [ 80.528295] ? __lock_acquire+0x7ec/0x4ec0 [ 80.532559] ? mark_held_locks+0x130/0x130 [ 80.536819] ? mark_held_locks+0x130/0x130 [ 80.541079] ? up_write+0x7b/0x220 [ 80.544630] ? print_usage_bug+0xc0/0xc0 [ 80.548705] ? ima_get_action+0x7e/0xa0 [ 80.552727] ? graph_lock+0x170/0x170 [ 80.556586] ? __lock_acquire+0x7ec/0x4ec0 [ 80.560863] ? mark_held_locks+0x130/0x130 [ 80.565148] ? __lock_acquire+0x7ec/0x4ec0 [ 80.569392] ? print_usage_bug+0xc0/0xc0 [ 80.573459] ? rcu_bh_qs+0xc0/0xc0 [ 80.577003] ? dput.part.26+0x241/0x790 [ 80.580994] ? lock_downgrade+0x900/0x900 [ 80.585180] ? check_preemption_disabled+0x48/0x200 [ 80.590254] ? mark_held_locks+0x130/0x130 [ 80.594502] ? __lock_acquire+0x7ec/0x4ec0 [ 80.598748] ? graph_lock+0x170/0x170 [ 80.602562] ? dput.part.26+0x26d/0x790 [ 80.606550] ? graph_lock+0x170/0x170 [ 80.610376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.615921] ? _parse_integer+0x134/0x180 [ 80.620092] ? graph_lock+0x170/0x170 [ 80.623901] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.629450] ? _kstrtoull+0x188/0x250 [ 80.633264] ? _parse_integer+0x180/0x180 [ 80.637421] ? graph_lock+0x170/0x170 [ 80.641227] ? lock_release+0x970/0x970 [ 80.645208] ? arch_local_save_flags+0x40/0x40 [ 80.649802] ? find_held_lock+0x36/0x1c0 [ 80.653891] ? graph_lock+0x170/0x170 [ 80.657706] ? get_pid_task+0xd6/0x1a0 [ 80.661604] ? lock_downgrade+0x900/0x900 [ 80.665762] ? check_preemption_disabled+0x48/0x200 [ 80.670791] ? find_held_lock+0x36/0x1c0 [ 80.674876] ? __f_unlock_pos+0x19/0x20 [ 80.678863] ? lock_downgrade+0x900/0x900 [ 80.683035] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.688579] ? proc_fail_nth_write+0x9e/0x210 [ 80.693080] ? proc_cwd_link+0x1d0/0x1d0 [ 80.697159] ? find_held_lock+0x36/0x1c0 [ 80.701259] _do_fork+0x1cb/0x11d0 [ 80.704816] ? fork_idle+0x1d0/0x1d0 [ 80.708547] ? __lock_is_held+0xb5/0x140 [ 80.712623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.718174] ? check_preemption_disabled+0x48/0x200 [ 80.723213] ? __sb_end_write+0xd9/0x110 [ 80.727284] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 80.732832] ? fput+0x130/0x1a0 [ 80.736120] ? do_syscall_64+0x9a/0x820 [ 80.740120] ? do_syscall_64+0x9a/0x820 [ 80.744133] ? lockdep_hardirqs_on+0x421/0x5c0 [ 80.748737] ? trace_hardirqs_on+0xbd/0x310 [ 80.753063] ? __ia32_sys_read+0xb0/0xb0 [ 80.757136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.762513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 80.767979] __x64_sys_clone+0xbf/0x150 [ 80.771968] do_syscall_64+0x1b9/0x820 [ 80.775866] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.781252] ? syscall_return_slowpath+0x5e0/0x5e0 [ 80.786191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.791056] ? trace_hardirqs_on_caller+0x310/0x310 [ 80.796292] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 80.801317] ? prepare_exit_to_usermode+0x291/0x3b0 [ 80.806352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.811218] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.816415] RIP: 0033:0x457569 [ 80.819618] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.838548] RSP: 002b:00007f5b5c848c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 80.846263] RAX: ffffffffffffffda RBX: 00007f5b5c848c90 RCX: 0000000000457569 [ 80.853532] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 80.860809] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 80.868363] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f5b5c8496d4 [ 80.875642] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 80.882944] CPU: 0 PID: 6982 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #58 [ 80.890158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.899517] Call Trace: [ 80.902121] dump_stack+0x1c4/0x2b4 [ 80.905767] ? dump_stack_print_info.cold.2+0x52/0x52 [ 80.910981] should_fail.cold.4+0xa/0x17 [ 80.915058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 80.920172] ? mark_held_locks+0xc7/0x130 [ 80.924338] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 80.929446] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 80.934563] ? graph_lock+0x170/0x170 [ 80.938374] ? trace_hardirqs_on+0xbd/0x310 [ 80.942697] ? kasan_check_read+0x11/0x20 [ 80.946852] ? graph_lock+0x170/0x170 [ 80.950661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 80.956128] ? find_held_lock+0x36/0x1c0 [ 80.960214] ? __lock_is_held+0xb5/0x140 [ 80.964293] ? ___might_sleep+0x1ed/0x300 [ 80.968455] ? arch_local_save_flags+0x40/0x40 [ 80.973047] ? up_write+0x7b/0x220 [ 80.976610] __should_failslab+0x124/0x180 [ 80.980859] should_failslab+0x9/0x14 [ 80.984676] kmem_cache_alloc+0x2be/0x730 [ 80.988838] ? anon_vma_fork+0x13c/0x820 [ 80.992911] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 80.997936] vm_area_dup+0x7a/0x230 [ 81.001569] ? vm_area_alloc+0x1d0/0x1d0 [ 81.005652] copy_process+0x42a0/0x8780 [ 81.009669] ? __cleanup_sighand+0x70/0x70 [ 81.013915] ? mark_held_locks+0x130/0x130 [ 81.018156] ? mark_held_locks+0xc7/0x130 [ 81.022328] ? print_usage_bug+0xc0/0xc0 [ 81.026410] ? lock_acquire+0x1ed/0x520 [ 81.030399] ? alloc_set_pte+0xfed/0x17d0 [ 81.034557] ? lock_release+0x970/0x970 [ 81.038543] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 81.043568] ? pfn_pte+0x1c3/0x230 [ 81.047120] ? copy_subpage+0x240/0x240 [ 81.051103] ? graph_lock+0x170/0x170 [ 81.054911] ? do_raw_spin_lock+0xc1/0x200 [ 81.059165] ? reacquire_held_locks+0xb7/0x3e0 [ 81.063760] ? alloc_set_pte+0xfed/0x17d0 [ 81.067919] ? find_held_lock+0x13f/0x1c0 [ 81.072086] ? filemap_map_pages+0xdc3/0x1980 [ 81.076590] ? lock_downgrade+0x900/0x900 [ 81.080745] ? check_preemption_disabled+0x48/0x200 [ 81.085786] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 81.091592] ? kasan_check_read+0x11/0x20 [ 81.095750] ? rcu_bh_qs+0xc0/0xc0 [ 81.099315] ? filemap_map_pages+0xdea/0x1980 [ 81.103851] ? __lock_acquire+0x7ec/0x4ec0 [ 81.108111] ? mark_held_locks+0x130/0x130 [ 81.112360] ? __lock_acquire+0x7ec/0x4ec0 [ 81.116606] ? print_usage_bug+0xc0/0xc0 [ 81.120675] ? rcu_bh_qs+0xc0/0xc0 [ 81.124221] ? dput.part.26+0x241/0x790 [ 81.128205] ? lock_downgrade+0x900/0x900 [ 81.132366] ? check_preemption_disabled+0x48/0x200 [ 81.137400] ? mark_held_locks+0x130/0x130 [ 81.141647] ? __lock_acquire+0x7ec/0x4ec0 [ 81.145886] ? graph_lock+0x170/0x170 [ 81.149700] ? graph_lock+0x170/0x170 [ 81.153529] ? graph_lock+0x170/0x170 [ 81.157361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.162910] ? _parse_integer+0x134/0x180 [ 81.167068] ? graph_lock+0x170/0x170 [ 81.170878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.176425] ? _kstrtoull+0x188/0x250 [ 81.180246] ? _parse_integer+0x180/0x180 [ 81.184400] ? graph_lock+0x170/0x170 [ 81.188205] ? lock_release+0x970/0x970 [ 81.192187] ? arch_local_save_flags+0x40/0x40 [ 81.196790] ? find_held_lock+0x36/0x1c0 [ 81.200872] ? graph_lock+0x170/0x170 [ 81.204681] ? get_pid_task+0xd6/0x1a0 [ 81.208585] ? lock_downgrade+0x900/0x900 [ 81.212744] ? check_preemption_disabled+0x48/0x200 [ 81.217779] ? find_held_lock+0x36/0x1c0 [ 81.221856] ? __f_unlock_pos+0x19/0x20 [ 81.225838] ? lock_downgrade+0x900/0x900 [ 81.229995] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.235543] ? proc_fail_nth_write+0x9e/0x210 [ 81.240041] ? proc_cwd_link+0x1d0/0x1d0 [ 81.244125] ? find_held_lock+0x36/0x1c0 [ 81.248198] _do_fork+0x1cb/0x11d0 [ 81.251750] ? fork_idle+0x1d0/0x1d0 [ 81.255478] ? __lock_is_held+0xb5/0x140 [ 81.259551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.265099] ? check_preemption_disabled+0x48/0x200 [ 81.270133] ? __sb_end_write+0xd9/0x110 [ 81.274204] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.279743] ? fput+0x130/0x1a0 [ 81.283030] ? do_syscall_64+0x9a/0x820 [ 81.287015] ? do_syscall_64+0x9a/0x820 [ 81.290997] ? lockdep_hardirqs_on+0x421/0x5c0 [ 81.295592] ? trace_hardirqs_on+0xbd/0x310 [ 81.299921] ? __ia32_sys_read+0xb0/0xb0 [ 81.303996] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.309369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 81.314849] __x64_sys_clone+0xbf/0x150 [ 81.318839] do_syscall_64+0x1b9/0x820 [ 81.322738] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 81.328110] ? syscall_return_slowpath+0x5e0/0x5e0 [ 81.333053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.337916] ? trace_hardirqs_on_caller+0x310/0x310 [ 81.342942] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 81.347968] ? prepare_exit_to_usermode+0x291/0x3b0 [ 81.352998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.357873] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.363398] RIP: 0033:0x457569 [ 81.366597] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.385505] RSP: 002b:00007f946a0a2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 81.393219] RAX: ffffffffffffffda RBX: 00007f946a0a2c90 RCX: 0000000000457569 [ 81.400493] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 81.407764] RBP: 000000000072c040 R08: 00000000200011c0 R09: 0000000000000000 [ 81.415039] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f946a0a36d4 [ 81.422313] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000003 [ 81.429727] CPU: 1 PID: 6985 Comm: syz-executor2 Not tainted 4.19.0-rc7+ #58 [ 81.436933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.446285] Call Trace: [ 81.448882] dump_stack+0x1c4/0x2b4 [ 81.452527] ? dump_stack_print_info.cold.2+0x52/0x52 [ 81.457742] should_fail.cold.4+0xa/0x17 [ 81.461821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 81.466940] ? check_preemption_disabled+0x48/0x200 [ 81.471966] ? check_preemption_disabled+0x48/0x200 [ 81.476995] ? graph_lock+0x170/0x170 [ 81.480851] ? graph_lock+0x170/0x170 [ 81.484671] ? find_held_lock+0x36/0x1c0 [ 81.488747] ? __lock_is_held+0xb5/0x140 [ 81.492844] ? ___might_sleep+0x1ed/0x300 [ 81.497009] ? arch_local_save_flags+0x40/0x40 [ 81.501622] __should_failslab+0x124/0x180 [ 81.505870] should_failslab+0x9/0x14 [ 81.509681] kmem_cache_alloc+0x2be/0x730 [ 81.513845] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 81.519398] ptlock_alloc+0x20/0x80 [ 81.523051] pte_alloc_one+0x6b/0x1a0 [ 81.526865] __pte_alloc+0x2a/0x350 [ 81.530508] copy_page_range+0x18c5/0x26b0 [ 81.534755] ? rb_insert_color_cached+0x14b0/0x14b0 [ 81.539810] ? pmd_alloc+0x180/0x180 [ 81.543548] ? graph_lock+0x170/0x170 [ 81.547354] ? kasan_slab_alloc+0x12/0x20 [ 81.551513] ? kmem_cache_alloc+0x12e/0x730 [ 81.555842] ? graph_lock+0x170/0x170 [ 81.559658] ? __x64_sys_clone+0xbf/0x150 [ 81.563817] ? do_syscall_64+0x1b9/0x820 [ 81.567901] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.573282] ? find_held_lock+0x36/0x1c0 [ 81.577362] ? anon_vma_fork+0x5ef/0x820 [ 81.581447] ? lock_downgrade+0x900/0x900 [ 81.585614] ? lock_release+0x970/0x970 [ 81.589593] ? arch_local_save_flags+0x40/0x40 [ 81.594196] ? __lock_is_held+0xb5/0x140 [ 81.598271] ? up_write+0x7b/0x220 [ 81.601829] ? up_read+0x110/0x110 [ 81.605381] ? anon_vma_interval_tree_insert+0x2c9/0x370 [ 81.610851] ? anon_vma_fork+0x13c/0x820 [ 81.614923] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 81.619949] ? vma_compute_subtree_gap+0x160/0x240 [ 81.624887] ? validate_mm_rb+0xaa/0xc0 [ 81.628876] ? __vma_link_rb+0x26c/0x370 [ 81.632953] copy_process+0x4721/0x8780 [ 81.636974] ? __cleanup_sighand+0x70/0x70 [ 81.641223] ? mark_held_locks+0xc7/0x130 [ 81.645385] ? print_usage_bug+0xc0/0xc0 [ 81.649472] ? ima_match_policy+0x848/0x1560 [ 81.653888] ? graph_lock+0x170/0x170 [ 81.657698] ? print_usage_bug+0xc0/0xc0 [ 81.661765] ? kasan_check_read+0x11/0x20 [ 81.665943] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 81.671227] ? print_usage_bug+0xc0/0xc0 [ 81.675298] ? __lock_acquire+0x7ec/0x4ec0 [ 81.679556] ? mark_held_locks+0x130/0x130 [ 81.683814] ? mark_held_locks+0x130/0x130 [ 81.688098] ? up_write+0x7b/0x220 [ 81.691643] ? print_usage_bug+0xc0/0xc0 [ 81.695716] ? ima_get_action+0x7e/0xa0 [ 81.699728] ? graph_lock+0x170/0x170 [ 81.703574] ? __lock_acquire+0x7ec/0x4ec0 [ 81.707858] ? mark_held_locks+0x130/0x130 [ 81.712118] ? __lock_acquire+0x7ec/0x4ec0 [ 81.716359] ? print_usage_bug+0xc0/0xc0 [ 81.720427] ? rcu_bh_qs+0xc0/0xc0 [ 81.723977] ? dput.part.26+0x241/0x790 [ 81.727958] ? lock_downgrade+0x900/0x900 [ 81.732113] ? check_preemption_disabled+0x48/0x200 [ 81.737159] ? mark_held_locks+0x130/0x130 [ 81.741407] ? __lock_acquire+0x7ec/0x4ec0 [ 81.745653] ? graph_lock+0x170/0x170 [ 81.749461] ? dput.part.26+0x26d/0x790 [ 81.753447] ? graph_lock+0x170/0x170 [ 81.757277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.762829] ? _parse_integer+0x134/0x180 [ 81.767160] ? graph_lock+0x170/0x170 [ 81.770975] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.776517] ? _kstrtoull+0x188/0x250 [ 81.780328] ? _parse_integer+0x180/0x180 [ 81.784488] ? graph_lock+0x170/0x170 [ 81.788300] ? lock_release+0x970/0x970 [ 81.792281] ? arch_local_save_flags+0x40/0x40 [ 81.796878] ? find_held_lock+0x36/0x1c0 [ 81.800949] ? graph_lock+0x170/0x170 [ 81.804759] ? get_pid_task+0xd6/0x1a0 [ 81.808657] ? lock_downgrade+0x900/0x900 [ 81.812813] ? check_preemption_disabled+0x48/0x200 [ 81.817855] ? find_held_lock+0x36/0x1c0 [ 81.821934] ? __f_unlock_pos+0x19/0x20 [ 81.825917] ? lock_downgrade+0x900/0x900 [ 81.830080] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.835623] ? proc_fail_nth_write+0x9e/0x210 [ 81.840137] ? proc_cwd_link+0x1d0/0x1d0 [ 81.844228] ? find_held_lock+0x36/0x1c0 [ 81.848299] _do_fork+0x1cb/0x11d0 [ 81.851859] ? fork_idle+0x1d0/0x1d0 [ 81.855582] ? __lock_is_held+0xb5/0x140 [ 81.859655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.865206] ? check_preemption_disabled+0x48/0x200 [ 81.870240] ? __sb_end_write+0xd9/0x110 [ 81.874317] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 81.879860] ? fput+0x130/0x1a0 [ 81.883151] ? do_syscall_64+0x9a/0x820 [ 81.887139] ? do_syscall_64+0x9a/0x820 [ 81.891120] ? lockdep_hardirqs_on+0x421/0x5c0 [ 81.895716] ? trace_hardirqs_on+0xbd/0x310 [ 81.900050] ? __ia32_sys_read+0xb0/0xb0 [ 81.904663] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.910048] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 81.915515] __x64_sys_clone+0xbf/0x150 [ 81.919504] do_syscall_64+0x1b9/0x820 [ 81.923397] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 81.928772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 81.933709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.938564] ? trace_hardirqs_on_caller+0x310/0x310 [ 81.943590] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 81.948618] ? prepare_exit_to_usermode+0x291/0x3b0 [ 81.953655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.958516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.963720] RIP: 0033:0x457569 [ 81.966921] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.985837] RSP: 002b:00007f21ea978c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 81.993558] RAX: ffffffffffffffda RBX: 00007f21ea978c90 RCX: 0000000000457569 [ 82.000860] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 82.008133] RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 [ 82.015407] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f21ea9796d4 [ 82.015421] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000003 [ 82.030617] CPU: 0 PID: 6973 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #58 [ 82.035205] FAULT_INJECTION: forcing a failure. [ 82.035205] name failslab, interval 1, probability 0, space 0, times 0 [ 82.037836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.058357] Call Trace: [ 82.060957] dump_stack+0x1c4/0x2b4 [ 82.064606] ? dump_stack_print_info.cold.2+0x52/0x52 [ 82.069817] should_fail.cold.4+0xa/0x17 [ 82.073894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 82.079010] ? lock_release+0x970/0x970 [ 82.083002] ? graph_lock+0x170/0x170 [ 82.086824] ? graph_lock+0x170/0x170 [ 82.090637] ? do_raw_read_unlock+0x3f/0x60 [ 82.094987] ? __lock_is_held+0xb5/0x140 [ 82.099095] ? ___might_sleep+0x1ed/0x300 [ 82.103245] ? lock_release+0x970/0x970 [ 82.107242] ? arch_local_save_flags+0x40/0x40 [ 82.111840] ? __might_sleep+0x95/0x190 [ 82.115842] __alloc_pages_nodemask+0x34b/0xde0 [ 82.120520] ? pat_pagerange_is_ram+0x12d/0x210 [ 82.125199] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 82.130249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.135790] ? lookup_memtype+0x64/0x1d0 [ 82.139858] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 82.144883] ? reserve_pfn_range+0x161/0x620 [ 82.149319] ? track_pfn_copy+0x119/0x2c0 [ 82.153483] ? reserve_pfn_range+0x620/0x620 [ 82.157897] ? find_held_lock+0x36/0x1c0 [ 82.161964] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.167514] alloc_pages_current+0x10c/0x210 [ 82.171933] pte_alloc_one+0x1b/0x1a0 [ 82.175771] __pte_alloc+0x2a/0x350 [ 82.179409] copy_page_range+0x18c5/0x26b0 [ 82.183653] ? rcu_bh_qs+0xc0/0xc0 [ 82.187219] ? __rb_insert_augmented+0x3b2/0x1890 [ 82.192097] ? pmd_alloc+0x180/0x180 [ 82.195843] ? save_stack+0xa9/0xd0 [ 82.199493] ? save_stack+0x43/0xd0 [ 82.203120] ? kasan_kmalloc+0xc7/0xe0 [ 82.207009] ? kasan_slab_alloc+0x12/0x20 [ 82.211161] ? kmem_cache_alloc+0x12e/0x730 [ 82.215487] ? vm_area_dup+0x7a/0x230 [ 82.219294] ? copy_process+0x42a0/0x8780 [ 82.223451] ? _do_fork+0x1cb/0x11d0 [ 82.227167] ? __x64_sys_clone+0xbf/0x150 [ 82.231321] ? do_syscall_64+0x1b9/0x820 [ 82.235396] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.240813] ? graph_lock+0x170/0x170 [ 82.244621] ? lock_downgrade+0x900/0x900 [ 82.248771] ? graph_lock+0x170/0x170 [ 82.252594] ? graph_lock+0x170/0x170 [ 82.256409] ? find_held_lock+0x36/0x1c0 [ 82.260481] ? copy_process+0x454b/0x8780 [ 82.264638] ? lock_downgrade+0x900/0x900 [ 82.268801] ? lock_release+0x970/0x970 [ 82.272792] ? arch_local_save_flags+0x40/0x40 [ 82.277392] ? dup_userfaultfd+0x6d8/0x890 [ 82.281647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 82.286666] ? vma_compute_subtree_gap+0x160/0x240 [ 82.291604] ? validate_mm_rb+0xaa/0xc0 [ 82.295586] ? __vma_link_rb+0x26c/0x370 [ 82.299654] copy_process+0x4721/0x8780 [ 82.303695] ? __cleanup_sighand+0x70/0x70 [ 82.307976] ? mark_held_locks+0xc7/0x130 [ 82.312138] ? print_usage_bug+0xc0/0xc0 [ 82.316208] ? ima_match_policy+0x848/0x1560 [ 82.320625] ? graph_lock+0x170/0x170 [ 82.324445] ? print_usage_bug+0xc0/0xc0 [ 82.328506] ? kasan_check_read+0x11/0x20 [ 82.332665] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 82.337953] ? print_usage_bug+0xc0/0xc0 [ 82.342020] ? __lock_acquire+0x7ec/0x4ec0 [ 82.346332] ? mark_held_locks+0x130/0x130 [ 82.350612] ? mark_held_locks+0x130/0x130 [ 82.354883] ? up_write+0x7b/0x220 [ 82.358427] ? print_usage_bug+0xc0/0xc0 [ 82.362494] ? ima_get_action+0x7e/0xa0 [ 82.366485] ? graph_lock+0x170/0x170 [ 82.370310] ? __lock_acquire+0x7ec/0x4ec0 [ 82.374572] ? mark_held_locks+0x130/0x130 [ 82.378817] ? __lock_acquire+0x7ec/0x4ec0 [ 82.383060] ? print_usage_bug+0xc0/0xc0 [ 82.387128] ? rcu_bh_qs+0xc0/0xc0 [ 82.390670] ? dput.part.26+0x241/0x790 [ 82.394648] ? lock_downgrade+0x900/0x900 [ 82.398800] ? check_preemption_disabled+0x48/0x200 [ 82.403827] ? mark_held_locks+0x130/0x130 [ 82.408075] ? __lock_acquire+0x7ec/0x4ec0 [ 82.412315] ? graph_lock+0x170/0x170 [ 82.416127] ? dput.part.26+0x26d/0x790 [ 82.420141] ? graph_lock+0x170/0x170 [ 82.423985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.429525] ? _parse_integer+0x134/0x180 [ 82.433680] ? graph_lock+0x170/0x170 [ 82.437486] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 82.443028] ? _kstrtoull+0x188/0x250 [ 82.446833] ? _parse_integer+0x180/0x180 [ 82.450989] ? graph_lock+0x170/0x170 [ 82.456880] ? lock_release+0x970/0x970 [ 82.460857] ? arch_local_save_flags+0x40/0x40 [ 82.465448] ? find_held_lock+0x36/0x1c0 [ 82.469513] ? graph_lock+0x170/0x170 [ 82.473322] ? get_pid_task+0xd6/0x1a0 [ 82.477218] ? lock_downgrade+0x900/0x900 [ 82.481372] ? check_preemption_disabled+0x48/0x200 [ 82.486405] ? find_held_lock+0x36/0x1c0 [ 82.490479] ? __f_unlock_pos+0x19/0x20 [ 82.494460] ? lock_downgrade+0x900/0x900 [ 82.498619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 82.504161] ? proc_fail_nth_write+0x9e/0x210 [ 82.508657] ? proc_cwd_link+0x1d0/0x1d0 [ 82.512737] ? find_held_lock+0x36/0x1c0 [ 82.516835] _do_fork+0x1cb/0x11d0 [ 82.520412] ? fork_idle+0x1d0/0x1d0 [ 82.524138] ? __lock_is_held+0xb5/0x140 [ 82.528228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.533787] ? check_preemption_disabled+0x48/0x200 [ 82.538836] ? __sb_end_write+0xd9/0x110 [ 82.542907] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 82.548444] ? fput+0x130/0x1a0 [ 82.551732] ? do_syscall_64+0x9a/0x820 [ 82.555712] ? do_syscall_64+0x9a/0x820 [ 82.559692] ? lockdep_hardirqs_on+0x421/0x5c0 [ 82.564284] ? trace_hardirqs_on+0xbd/0x310 [ 82.568612] ? __ia32_sys_read+0xb0/0xb0 [ 82.572708] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.578091] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 82.583554] __x64_sys_clone+0xbf/0x150 [ 82.587539] do_syscall_64+0x1b9/0x820 [ 82.591431] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 82.596804] ? syscall_return_slowpath+0x5e0/0x5e0 [ 82.601740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.606593] ? trace_hardirqs_on_caller+0x310/0x310 [ 82.611619] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 82.616639] ? prepare_exit_to_usermode+0x291/0x3b0 [ 82.621667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.626522] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.631717] RIP: 0033:0x457569 [ 82.634918] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.653823] RSP: 002b:00007f95821cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 82.661554] RAX: ffffffffffffffda RBX: 00007f95821cfc90 RCX: 0000000000457569 [ 82.668825] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 82.676099] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 82.683372] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f95821d06d4 [ 82.690648] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 82.697955] CPU: 1 PID: 6992 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #58 [ 82.705162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.705169] Call Trace: [ 82.705193] dump_stack+0x1c4/0x2b4 [ 82.705215] ? dump_stack_print_info.cold.2+0x52/0x52 [ 82.705244] ? __kernel_text_address+0xd/0x40 [ 82.705276] ? unwind_get_return_address+0x61/0xa0 [ 82.717229] should_fail.cold.4+0xa/0x17 [ 82.717251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 82.717268] ? save_stack+0xa9/0xd0 [ 82.717286] ? graph_lock+0x170/0x170 [ 82.730572] ? kasan_slab_alloc+0x12/0x20 [ 82.730588] ? kmem_cache_alloc+0x12e/0x730 [ 82.730604] ? anon_vma_fork+0x196/0x820 [ 82.730617] ? copy_process+0x47c7/0x8780 [ 82.730629] ? _do_fork+0x1cb/0x11d0 [ 82.730644] ? graph_lock+0x170/0x170 [ 82.730671] ? find_held_lock+0x36/0x1c0 [ 82.730689] ? __lock_is_held+0xb5/0x140 [ 82.739675] ? ___might_sleep+0x1ed/0x300 [ 82.739694] ? arch_local_save_flags+0x40/0x40 [ 82.739721] __should_failslab+0x124/0x180 [ 82.739738] should_failslab+0x9/0x14 [ 82.746994] FAULT_INJECTION: forcing a failure. [ 82.746994] name failslab, interval 1, probability 0, space 0, times 0 [ 82.748478] kmem_cache_alloc+0x2be/0x730 [ 82.816780] ? anon_vma_fork+0x196/0x820 [ 82.820863] anon_vma_fork+0x2c9/0x820 [ 82.824770] ? anon_vma_clone+0x710/0x710 [ 82.828931] ? vm_area_dup+0x1a8/0x230 [ 82.832842] ? vm_area_alloc+0x1d0/0x1d0 [ 82.832868] copy_process+0x47c7/0x8780 [ 82.832913] ? __cleanup_sighand+0x70/0x70 [ 82.832933] ? mark_held_locks+0xc7/0x130 [ 82.832959] ? print_usage_bug+0xc0/0xc0 [ 82.832981] ? ima_match_policy+0x848/0x1560 [ 82.832996] ? graph_lock+0x170/0x170 [ 82.833013] ? print_usage_bug+0xc0/0xc0 [ 82.833036] ? kasan_check_read+0x11/0x20 [ 82.833058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 82.875493] ? print_usage_bug+0xc0/0xc0 [ 82.879573] ? __lock_acquire+0x7ec/0x4ec0 [ 82.883845] ? mark_held_locks+0x130/0x130 [ 82.888109] ? mark_held_locks+0x130/0x130 [ 82.892360] ? up_write+0x7b/0x220 [ 82.895911] ? print_usage_bug+0xc0/0xc0 [ 82.899987] ? ima_get_action+0x7e/0xa0 [ 82.903991] ? graph_lock+0x170/0x170 [ 82.907849] ? __lock_acquire+0x7ec/0x4ec0 [ 82.912104] ? mark_held_locks+0x130/0x130 [ 82.916362] ? __lock_acquire+0x7ec/0x4ec0 [ 82.920603] ? print_usage_bug+0xc0/0xc0 [ 82.924676] ? rcu_bh_qs+0xc0/0xc0 [ 82.928229] ? dput.part.26+0x241/0x790 [ 82.932210] ? lock_downgrade+0x900/0x900 [ 82.936366] ? check_preemption_disabled+0x48/0x200 [ 82.941400] ? mark_held_locks+0x130/0x130 [ 82.945649] ? __lock_acquire+0x7ec/0x4ec0 [ 82.949890] ? graph_lock+0x170/0x170 [ 82.953698] ? dput.part.26+0x26d/0x790 [ 82.957684] ? graph_lock+0x170/0x170 [ 82.961506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.967060] ? _parse_integer+0x134/0x180 [ 82.971221] ? graph_lock+0x170/0x170 [ 82.975059] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 82.980601] ? _kstrtoull+0x188/0x250 [ 82.984409] ? _parse_integer+0x180/0x180 [ 82.988565] ? graph_lock+0x170/0x170 [ 82.992380] ? lock_release+0x970/0x970 [ 82.996364] ? arch_local_save_flags+0x40/0x40 [ 83.000962] ? find_held_lock+0x36/0x1c0 [ 83.005070] ? graph_lock+0x170/0x170 [ 83.008884] ? get_pid_task+0xd6/0x1a0 [ 83.012518] FAULT_INJECTION: forcing a failure. [ 83.012518] name failslab, interval 1, probability 0, space 0, times 0 [ 83.012776] ? lock_downgrade+0x900/0x900 [ 83.012793] ? check_preemption_disabled+0x48/0x200 [ 83.012817] ? find_held_lock+0x36/0x1c0 [ 83.037242] ? __f_unlock_pos+0x19/0x20 [ 83.041225] ? lock_downgrade+0x900/0x900 [ 83.045427] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 83.050991] ? proc_fail_nth_write+0x9e/0x210 [ 83.055505] ? proc_cwd_link+0x1d0/0x1d0 [ 83.059588] ? find_held_lock+0x36/0x1c0 [ 83.063660] _do_fork+0x1cb/0x11d0 [ 83.067228] ? fork_idle+0x1d0/0x1d0 [ 83.070950] ? __lock_is_held+0xb5/0x140 [ 83.075033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.080581] ? check_preemption_disabled+0x48/0x200 [ 83.081491] FAULT_INJECTION: forcing a failure. [ 83.081491] name failslab, interval 1, probability 0, space 0, times 0 [ 83.085615] ? __sb_end_write+0xd9/0x110 [ 83.085635] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 83.085656] ? fput+0x130/0x1a0 [ 83.109731] ? do_syscall_64+0x9a/0x820 [ 83.113712] ? do_syscall_64+0x9a/0x820 [ 83.117696] ? lockdep_hardirqs_on+0x421/0x5c0 [ 83.122315] ? trace_hardirqs_on+0xbd/0x310 [ 83.126645] ? __ia32_sys_read+0xb0/0xb0 [ 83.130712] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.136087] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 83.141548] __x64_sys_clone+0xbf/0x150 [ 83.145536] do_syscall_64+0x1b9/0x820 [ 83.149428] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 83.154803] ? syscall_return_slowpath+0x5e0/0x5e0 [ 83.159742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.164593] ? trace_hardirqs_on_caller+0x310/0x310 [ 83.169617] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 83.174647] ? prepare_exit_to_usermode+0x291/0x3b0 [ 83.179679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.184537] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.189733] RIP: 0033:0x457569 [ 83.192935] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.211848] RSP: 002b:00007fdcb5ebec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 83.219585] RAX: ffffffffffffffda RBX: 00007fdcb5ebec90 RCX: 0000000000457569 [ 83.226856] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 83.234143] RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 [ 83.241417] R10: 0000000020001180 R11: 0000000000000246 R12: 00007fdcb5ebf6d4 [ 83.248700] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000003 [ 83.256005] CPU: 0 PID: 7001 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #58 [ 83.263206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.272565] Call Trace: [ 83.275172] dump_stack+0x1c4/0x2b4 [ 83.278816] ? dump_stack_print_info.cold.2+0x52/0x52 [ 83.284021] ? __kernel_text_address+0xd/0x40 [ 83.288531] ? unwind_get_return_address+0x61/0xa0 [ 83.293487] should_fail.cold.4+0xa/0x17 [ 83.297573] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 83.299260] WARNING: CPU: 1 PID: 6973 at arch/x86/mm/pat.c:1055 untrack_pfn+0x2b8/0x320 [ 83.302684] ? save_stack+0xa9/0xd0 [ 83.310831] Kernel panic - not syncing: panic_on_warn set ... [ 83.310831] [ 83.314455] ? graph_lock+0x170/0x170 [ 83.325591] ? kasan_slab_alloc+0x12/0x20 [ 83.329742] ? kmem_cache_alloc+0x12e/0x730 [ 83.334078] ? anon_vma_fork+0x196/0x820 [ 83.338139] ? copy_process+0x47c7/0x8780 [ 83.342288] ? _do_fork+0x1cb/0x11d0 [ 83.346009] ? graph_lock+0x170/0x170 [ 83.349823] ? find_held_lock+0x36/0x1c0 [ 83.353889] ? __lock_is_held+0xb5/0x140 [ 83.357975] ? ___might_sleep+0x1ed/0x300 [ 83.362127] ? arch_local_save_flags+0x40/0x40 [ 83.366729] __should_failslab+0x124/0x180 [ 83.370967] should_failslab+0x9/0x14 [ 83.374772] kmem_cache_alloc+0x2be/0x730 [ 83.378944] ? dup_userfaultfd+0x6d8/0x890 [ 83.383208] ? anon_vma_fork+0x196/0x820 [ 83.387273] anon_vma_fork+0x2c9/0x820 [ 83.391166] ? anon_vma_clone+0x710/0x710 [ 83.395329] ? vm_area_dup+0x1a8/0x230 [ 83.399220] ? vm_area_alloc+0x1d0/0x1d0 [ 83.403299] copy_process+0x47c7/0x8780 [ 83.407316] ? __cleanup_sighand+0x70/0x70 [ 83.411564] ? mark_held_locks+0xc7/0x130 [ 83.415727] ? print_usage_bug+0xc0/0xc0 [ 83.419796] ? ima_match_policy+0x848/0x1560 [ 83.424212] ? graph_lock+0x170/0x170 [ 83.428018] ? print_usage_bug+0xc0/0xc0 [ 83.432086] ? kasan_check_read+0x11/0x20 [ 83.436244] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 83.441521] ? print_usage_bug+0xc0/0xc0 [ 83.445593] ? __lock_acquire+0x7ec/0x4ec0 [ 83.449847] ? mark_held_locks+0x130/0x130 [ 83.454099] ? mark_held_locks+0x130/0x130 [ 83.458347] ? up_write+0x7b/0x220 [ 83.461895] ? print_usage_bug+0xc0/0xc0 [ 83.465960] ? ima_get_action+0x7e/0xa0 [ 83.469948] ? graph_lock+0x170/0x170 [ 83.473769] ? __lock_acquire+0x7ec/0x4ec0 [ 83.478021] ? mark_held_locks+0x130/0x130 [ 83.482268] ? __lock_acquire+0x7ec/0x4ec0 [ 83.486509] ? print_usage_bug+0xc0/0xc0 [ 83.490575] ? rcu_bh_qs+0xc0/0xc0 [ 83.494114] ? dput.part.26+0x241/0x790 [ 83.498094] ? lock_downgrade+0x900/0x900 [ 83.502246] ? check_preemption_disabled+0x48/0x200 [ 83.507274] ? mark_held_locks+0x130/0x130 [ 83.511520] ? __lock_acquire+0x7ec/0x4ec0 [ 83.515783] ? graph_lock+0x170/0x170 [ 83.519595] ? dput.part.26+0x26d/0x790 [ 83.523577] ? graph_lock+0x170/0x170 [ 83.527399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.532937] ? _parse_integer+0x134/0x180 [ 83.537088] ? graph_lock+0x170/0x170 [ 83.540891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 83.546429] ? _kstrtoull+0x188/0x250 [ 83.550234] ? _parse_integer+0x180/0x180 [ 83.554410] ? graph_lock+0x170/0x170 [ 83.558224] ? lock_release+0x970/0x970 [ 83.562210] ? arch_local_save_flags+0x40/0x40 [ 83.566815] ? find_held_lock+0x36/0x1c0 [ 83.570902] ? graph_lock+0x170/0x170 [ 83.574705] ? get_pid_task+0xd6/0x1a0 [ 83.578595] ? lock_downgrade+0x900/0x900 [ 83.582747] ? check_preemption_disabled+0x48/0x200 [ 83.587770] ? find_held_lock+0x36/0x1c0 [ 83.591841] ? __f_unlock_pos+0x19/0x20 [ 83.595819] ? lock_downgrade+0x900/0x900 [ 83.599975] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 83.605514] ? proc_fail_nth_write+0x9e/0x210 [ 83.610014] ? proc_cwd_link+0x1d0/0x1d0 [ 83.614089] ? find_held_lock+0x36/0x1c0 [ 83.618165] _do_fork+0x1cb/0x11d0 [ 83.621716] ? fork_idle+0x1d0/0x1d0 [ 83.625438] ? __lock_is_held+0xb5/0x140 [ 83.629514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.635062] ? check_preemption_disabled+0x48/0x200 [ 83.640088] ? __sb_end_write+0xd9/0x110 [ 83.644161] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 83.649706] ? fput+0x130/0x1a0 [ 83.653001] ? do_syscall_64+0x9a/0x820 [ 83.656992] ? do_syscall_64+0x9a/0x820 [ 83.660977] ? lockdep_hardirqs_on+0x421/0x5c0 [ 83.665571] ? trace_hardirqs_on+0xbd/0x310 [ 83.669905] ? __ia32_sys_read+0xb0/0xb0 [ 83.673979] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.679360] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 83.684830] __x64_sys_clone+0xbf/0x150 [ 83.688828] do_syscall_64+0x1b9/0x820 [ 83.692729] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 83.698119] ? syscall_return_slowpath+0x5e0/0x5e0 [ 83.703072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.707932] ? trace_hardirqs_on_caller+0x310/0x310 [ 83.712971] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 83.718011] ? prepare_exit_to_usermode+0x291/0x3b0 [ 83.723055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.727924] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.733125] RIP: 0033:0x457569 [ 83.736333] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.755253] RSP: 002b:00007fefed34dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 83.762991] RAX: ffffffffffffffda RBX: 00007fefed34dc90 RCX: 0000000000457569 [ 83.770277] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 2018/10/13 11:26:59 executed programs: 15 [ 83.777570] RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 [ 83.784855] R10: 0000000020001180 R11: 0000000000000246 R12: 00007fefed34e6d4 [ 83.792137] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000003 [ 83.799450] CPU: 1 PID: 6973 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #58 [ 83.806660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.809368] kobject: 'loop4' (00000000b0977ea4): kobject_uevent_env [ 83.816028] Call Trace: [ 83.816053] dump_stack+0x1c4/0x2b4 [ 83.816073] ? dump_stack_print_info.cold.2+0x52/0x52 [ 83.816097] panic+0x238/0x4e7 [ 83.816111] ? add_taint.cold.5+0x16/0x16 [ 83.816131] ? __warn.cold.8+0x148/0x1ba [ 83.845297] ? __warn.cold.8+0x117/0x1ba [ 83.848289] kobject: 'loop4' (00000000b0977ea4): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 83.849366] ? untrack_pfn+0x2b8/0x320 [ 83.849382] __warn.cold.8+0x163/0x1ba [ 83.849402] ? rcu_bh_qs+0xc0/0xc0 [ 83.870153] ? untrack_pfn+0x2b8/0x320 [ 83.874065] report_bug+0x254/0x2d0 [ 83.877703] do_error_trap+0x1fc/0x4d0 [ 83.881884] ? pmd_huge+0x9a/0x150 [ 83.885442] ? math_error+0x3f0/0x3f0 [ 83.889254] ? unwind_get_return_address+0x61/0xa0 [ 83.894190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.899050] ? trace_hardirqs_on_caller+0x310/0x310 [ 83.904553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.910101] ? __follow_pte_pmd+0x6cb/0xb90 [ 83.914453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.919318] do_invalid_op+0x1b/0x20 [ 83.923048] invalid_op+0x14/0x20 [ 83.926512] RIP: 0010:untrack_pfn+0x2b8/0x320 [ 83.931016] Code: 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 39 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 68 b8 46 00 <0f> 0b eb b5 4c 89 e7 e8 5c 28 8a 00 e9 86 fe ff ff 48 8b bd 28 ff [ 83.950040] RSP: 0018:ffff8801b9026af0 EFLAGS: 00010293 [ 83.955410] RAX: ffff8801bad1e100 RBX: 1ffff10037204d60 RCX: ffffffff81381fa4 [ 83.962685] RDX: 0000000000000000 RSI: ffffffff813820e8 RDI: 0000000000000005 [ 83.969957] RBP: ffff8801b9026bc8 R08: ffff8801bad1e100 R09: 0000000000000000 [ 83.977237] R10: ffffed003a6c64dc R11: ffff8801d36326e3 R12: ffff8801c45b8c60 [ 83.984514] R13: 00000000ffffffea R14: 0000000000000000 R15: ffff8801b9026ba0 [ 83.991808] ? untrack_pfn+0x174/0x320 [ 83.995709] ? untrack_pfn+0x2b8/0x320 [ 83.999615] ? track_pfn_insert+0x180/0x180 [ 84.003948] ? trace_hardirqs_off+0xb8/0x310 [ 84.008542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.014093] ? check_preemption_disabled+0x48/0x200 [ 84.019130] unmap_single_vma+0x1c0/0x310 [ 84.023300] unmap_vmas+0x125/0x200 [ 84.026942] exit_mmap+0x2be/0x590 [ 84.030503] ? __ia32_sys_munmap+0x80/0x80 [ 84.034752] ? __khugepaged_exit+0x455/0x6a0 [ 84.039187] ? __might_sleep+0x95/0x190 [ 84.043177] mmput+0x247/0x610 [ 84.046381] ? lock_downgrade+0x900/0x900 [ 84.050548] ? set_mm_exe_file+0x200/0x200 [ 84.054793] ? __lock_is_held+0xb5/0x140 [ 84.058878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.064428] ? check_preemption_disabled+0x48/0x200 [ 84.069455] ? usb_remove_ep_devs+0x90/0x90 [ 84.073785] ? usb_remove_ep_devs+0x90/0x90 [ 84.078133] copy_process+0x3b5d/0x8780 [ 84.082148] ? __cleanup_sighand+0x70/0x70 [ 84.086397] ? mark_held_locks+0xc7/0x130 [ 84.090562] ? print_usage_bug+0xc0/0xc0 [ 84.094639] ? ima_match_policy+0x848/0x1560 [ 84.099063] ? graph_lock+0x170/0x170 [ 84.102876] ? print_usage_bug+0xc0/0xc0 [ 84.106941] ? kasan_check_read+0x11/0x20 [ 84.111184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 84.116480] ? print_usage_bug+0xc0/0xc0 [ 84.120556] ? __lock_acquire+0x7ec/0x4ec0 [ 84.124814] ? mark_held_locks+0x130/0x130 [ 84.129075] ? mark_held_locks+0x130/0x130 [ 84.133323] ? up_write+0x7b/0x220 [ 84.136877] ? print_usage_bug+0xc0/0xc0 [ 84.140950] ? ima_get_action+0x7e/0xa0 [ 84.144944] ? graph_lock+0x170/0x170 [ 84.148772] ? __lock_acquire+0x7ec/0x4ec0 [ 84.153036] ? mark_held_locks+0x130/0x130 [ 84.157283] ? __lock_acquire+0x7ec/0x4ec0 [ 84.161528] ? print_usage_bug+0xc0/0xc0 [ 84.165613] ? rcu_bh_qs+0xc0/0xc0 [ 84.169155] ? dput.part.26+0x241/0x790 [ 84.173139] ? lock_downgrade+0x900/0x900 [ 84.177297] ? check_preemption_disabled+0x48/0x200 [ 84.182336] ? mark_held_locks+0x130/0x130 [ 84.186599] ? __lock_acquire+0x7ec/0x4ec0 [ 84.190850] ? graph_lock+0x170/0x170 [ 84.194657] ? dput.part.26+0x26d/0x790 [ 84.198651] ? graph_lock+0x170/0x170 [ 84.202480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.208033] ? _parse_integer+0x134/0x180 [ 84.212192] ? graph_lock+0x170/0x170 [ 84.216002] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.221552] ? _kstrtoull+0x188/0x250 [ 84.225365] ? _parse_integer+0x180/0x180 [ 84.229519] ? graph_lock+0x170/0x170 [ 84.233324] ? lock_release+0x970/0x970 [ 84.237305] ? arch_local_save_flags+0x40/0x40 [ 84.241923] ? find_held_lock+0x36/0x1c0 [ 84.245998] ? graph_lock+0x170/0x170 [ 84.249818] ? get_pid_task+0xd6/0x1a0 [ 84.253728] ? lock_downgrade+0x900/0x900 [ 84.257886] ? check_preemption_disabled+0x48/0x200 [ 84.262925] ? find_held_lock+0x36/0x1c0 [ 84.267003] ? __f_unlock_pos+0x19/0x20 [ 84.270992] ? lock_downgrade+0x900/0x900 [ 84.275162] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.280707] ? proc_fail_nth_write+0x9e/0x210 [ 84.285207] ? proc_cwd_link+0x1d0/0x1d0 [ 84.289282] ? find_held_lock+0x36/0x1c0 [ 84.293358] _do_fork+0x1cb/0x11d0 [ 84.296912] ? fork_idle+0x1d0/0x1d0 [ 84.300638] ? __lock_is_held+0xb5/0x140 [ 84.304712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.310263] ? check_preemption_disabled+0x48/0x200 [ 84.315292] ? __sb_end_write+0xd9/0x110 [ 84.319370] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.324914] ? fput+0x130/0x1a0 [ 84.328207] ? do_syscall_64+0x9a/0x820 [ 84.332191] ? do_syscall_64+0x9a/0x820 [ 84.336179] ? lockdep_hardirqs_on+0x421/0x5c0 [ 84.340770] ? trace_hardirqs_on+0xbd/0x310 [ 84.345104] ? __ia32_sys_read+0xb0/0xb0 [ 84.349183] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.354567] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 84.360036] __x64_sys_clone+0xbf/0x150 [ 84.364031] do_syscall_64+0x1b9/0x820 [ 84.367930] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 84.373306] ? syscall_return_slowpath+0x5e0/0x5e0 [ 84.378247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.383102] ? trace_hardirqs_on_caller+0x310/0x310 [ 84.388131] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 84.393160] ? prepare_exit_to_usermode+0x291/0x3b0 [ 84.398193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.403063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.408260] RIP: 0033:0x457569 [ 84.411460] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.430377] RSP: 002b:00007f95821cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 84.438103] RAX: ffffffffffffffda RBX: 00007f95821cfc90 RCX: 0000000000457569 [ 84.445376] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 84.452648] RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 [ 84.459922] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f95821d06d4 [ 84.467370] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 84.474669] CPU: 0 PID: 6994 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #58 [ 84.481898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.491256] Call Trace: [ 84.493860] dump_stack+0x1c4/0x2b4 [ 84.497502] ? dump_stack_print_info.cold.2+0x52/0x52 [ 84.502696] ? __kernel_text_address+0xd/0x40 [ 84.507197] ? unwind_get_return_address+0x61/0xa0 [ 84.512139] should_fail.cold.4+0xa/0x17 [ 84.516209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 84.521319] ? save_stack+0xa9/0xd0 [ 84.524959] ? graph_lock+0x170/0x170 [ 84.528769] ? kasan_slab_alloc+0x12/0x20 [ 84.532936] ? kmem_cache_alloc+0x12e/0x730 [ 84.537263] ? anon_vma_fork+0x196/0x820 [ 84.541333] ? copy_process+0x47c7/0x8780 [ 84.545483] ? _do_fork+0x1cb/0x11d0 [ 84.549205] ? graph_lock+0x170/0x170 [ 84.553020] ? find_held_lock+0x36/0x1c0 [ 84.557089] ? __lock_is_held+0xb5/0x140 [ 84.561165] ? ___might_sleep+0x1ed/0x300 [ 84.565317] ? arch_local_save_flags+0x40/0x40 [ 84.569924] __should_failslab+0x124/0x180 [ 84.574166] should_failslab+0x9/0x14 [ 84.577971] kmem_cache_alloc+0x2be/0x730 [ 84.582126] ? dup_userfaultfd+0x6d8/0x890 [ 84.586362] ? anon_vma_fork+0x196/0x820 [ 84.590457] anon_vma_fork+0x2c9/0x820 [ 84.594357] ? anon_vma_clone+0x710/0x710 [ 84.598511] ? vm_area_dup+0x1a8/0x230 [ 84.602399] ? vm_area_alloc+0x1d0/0x1d0 [ 84.606473] copy_process+0x47c7/0x8780 [ 84.610484] ? __cleanup_sighand+0x70/0x70 [ 84.614727] ? mark_held_locks+0xc7/0x130 [ 84.618889] ? print_usage_bug+0xc0/0xc0 [ 84.622958] ? ima_match_policy+0x848/0x1560 [ 84.627370] ? graph_lock+0x170/0x170 [ 84.631179] ? print_usage_bug+0xc0/0xc0 [ 84.635240] ? kasan_check_read+0x11/0x20 [ 84.639396] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 84.644673] ? print_usage_bug+0xc0/0xc0 [ 84.648745] ? __lock_acquire+0x7ec/0x4ec0 [ 84.653000] ? mark_held_locks+0x130/0x130 [ 84.657250] ? mark_held_locks+0x130/0x130 [ 84.661500] ? up_write+0x7b/0x220 [ 84.665043] ? print_usage_bug+0xc0/0xc0 [ 84.669112] ? ima_get_action+0x7e/0xa0 [ 84.673104] ? graph_lock+0x170/0x170 [ 84.676949] ? __lock_acquire+0x7ec/0x4ec0 [ 84.681201] ? mark_held_locks+0x130/0x130 [ 84.685443] ? __lock_acquire+0x7ec/0x4ec0 [ 84.689681] ? print_usage_bug+0xc0/0xc0 [ 84.693742] ? rcu_bh_qs+0xc0/0xc0 [ 84.697282] ? dput.part.26+0x241/0x790 [ 84.701259] ? lock_downgrade+0x900/0x900 [ 84.705413] ? check_preemption_disabled+0x48/0x200 [ 84.710442] ? mark_held_locks+0x130/0x130 [ 84.714690] ? __lock_acquire+0x7ec/0x4ec0 [ 84.718925] ? graph_lock+0x170/0x170 [ 84.722729] ? dput.part.26+0x26d/0x790 [ 84.726710] ? graph_lock+0x170/0x170 [ 84.730533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.736077] ? _parse_integer+0x134/0x180 [ 84.740232] ? graph_lock+0x170/0x170 [ 84.744036] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.749577] ? _kstrtoull+0x188/0x250 [ 84.753384] ? _parse_integer+0x180/0x180 [ 84.757534] ? graph_lock+0x170/0x170 [ 84.761347] ? lock_release+0x970/0x970 [ 84.765330] ? arch_local_save_flags+0x40/0x40 [ 84.769921] ? find_held_lock+0x36/0x1c0 [ 84.773992] ? graph_lock+0x170/0x170 [ 84.777799] ? get_pid_task+0xd6/0x1a0 [ 84.781696] ? lock_downgrade+0x900/0x900 [ 84.785852] ? check_preemption_disabled+0x48/0x200 [ 84.790877] ? find_held_lock+0x36/0x1c0 [ 84.795477] ? __f_unlock_pos+0x19/0x20 [ 84.799455] ? lock_downgrade+0x900/0x900 [ 84.803611] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.809153] ? proc_fail_nth_write+0x9e/0x210 [ 84.813664] ? proc_cwd_link+0x1d0/0x1d0 [ 84.817738] ? find_held_lock+0x36/0x1c0 [ 84.821814] _do_fork+0x1cb/0x11d0 [ 84.825368] ? fork_idle+0x1d0/0x1d0 [ 84.829089] ? __lock_is_held+0xb5/0x140 [ 84.833163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.838707] ? check_preemption_disabled+0x48/0x200 [ 84.843736] ? __sb_end_write+0xd9/0x110 [ 84.847807] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 84.853349] ? fput+0x130/0x1a0 [ 84.856631] ? do_syscall_64+0x9a/0x820 [ 84.860609] ? do_syscall_64+0x9a/0x820 [ 84.864586] ? lockdep_hardirqs_on+0x421/0x5c0 [ 84.869176] ? trace_hardirqs_on+0xbd/0x310 [ 84.873503] ? __ia32_sys_read+0xb0/0xb0 [ 84.877566] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.882936] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 84.888392] __x64_sys_clone+0xbf/0x150 [ 84.892377] do_syscall_64+0x1b9/0x820 [ 84.896268] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 84.901639] ? syscall_return_slowpath+0x5e0/0x5e0 [ 84.906572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.911420] ? trace_hardirqs_on_caller+0x310/0x310 [ 84.916444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 84.921469] ? prepare_exit_to_usermode+0x291/0x3b0 [ 84.926497] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.931357] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.936549] RIP: 0033:0x457569 [ 84.939745] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.958658] RSP: 002b:00007f5b5c827c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 84.966638] RAX: ffffffffffffffda RBX: 00007f5b5c827c90 RCX: 0000000000457569 [ 84.973910] RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 [ 84.981183] RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 [ 84.988480] R10: 0000000020001180 R11: 0000000000000246 R12: 00007f5b5c8286d4 [ 84.995754] R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 [ 85.003876] Kernel Offset: disabled [ 85.007586] Rebooting in 86400 seconds..