[ 38.915727] audit: type=1400 audit(1578927126.852:37): avc: denied { map } for pid=6662 comm="syz-fuzzer" path="/root/syzkaller-shm553684181" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 39.150828] IPVS: ftp: loaded support on port[0] = 21 [ 40.268266] can: request_module (can-proto-0) failed. [ 40.278372] can: request_module (can-proto-0) failed. [ 40.432462] audit: type=1400 audit(1578927128.372:38): avc: denied { create } for pid=6662 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 40.456024] audit: type=1400 audit(1578927128.372:39): avc: denied { create } for pid=6662 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 40.479625] audit: type=1400 audit(1578927128.372:40): avc: denied { create } for pid=6662 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 40.755868] random: sshd: uninitialized urandom read (32 bytes read) [ 41.531009] random: sshd: uninitialized urandom read (32 bytes read) [ 41.724522] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.15.207' (ECDSA) to the list of known hosts. 2020/01/13 14:52:16 parsed 1 programs 2020/01/13 14:52:16 executed programs: 0 [ 48.660815] IPVS: ftp: loaded support on port[0] = 21 [ 49.444150] chnl_net:caif_netlink_parms(): no params data found [ 49.452049] IPVS: ftp: loaded support on port[0] = 21 [ 49.499501] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.506270] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.513401] device bridge_slave_0 entered promiscuous mode [ 49.520177] IPVS: ftp: loaded support on port[0] = 21 [ 49.525768] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.532184] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.539240] device bridge_slave_1 entered promiscuous mode [ 49.563192] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.575801] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.602273] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.609498] team0: Port device team_slave_0 added [ 49.622271] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.629243] team0: Port device team_slave_1 added [ 49.634783] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.643786] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.686591] IPVS: ftp: loaded support on port[0] = 21 [ 49.711932] device hsr_slave_0 entered promiscuous mode [ 49.790255] device hsr_slave_1 entered promiscuous mode [ 49.886100] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.902190] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.908994] chnl_net:caif_netlink_parms(): no params data found [ 49.991559] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.997969] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.005822] IPVS: ftp: loaded support on port[0] = 21 [ 50.011773] device bridge_slave_0 entered promiscuous mode [ 50.021740] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.028178] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.035083] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.041470] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.049096] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.055573] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.062518] device bridge_slave_1 entered promiscuous mode [ 50.081406] chnl_net:caif_netlink_parms(): no params data found [ 50.106776] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.118562] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.175539] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.183143] team0: Port device team_slave_0 added [ 50.209109] chnl_net:caif_netlink_parms(): no params data found [ 50.217407] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.225760] team0: Port device team_slave_1 added [ 50.233438] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.246559] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.253042] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.260372] device bridge_slave_0 entered promiscuous mode [ 50.272089] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.290229] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 50.296301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.302455] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.308773] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.315751] device bridge_slave_1 entered promiscuous mode [ 50.338853] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.358524] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.366094] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.413237] device hsr_slave_0 entered promiscuous mode [ 50.460263] device hsr_slave_1 entered promiscuous mode [ 50.500664] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.507552] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.519787] IPVS: ftp: loaded support on port[0] = 21 [ 50.535919] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.542711] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.549422] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.569696] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 50.601793] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.608982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.618233] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.624757] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.631172] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.638189] team0: Port device team_slave_0 added [ 50.647467] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.654589] team0: Port device team_slave_1 added [ 50.659886] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.667198] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.674230] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.682139] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.688925] device bridge_slave_0 entered promiscuous mode [ 50.696233] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.702660] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.709507] device bridge_slave_1 entered promiscuous mode [ 50.748355] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.811985] device hsr_slave_0 entered promiscuous mode [ 50.850255] device hsr_slave_1 entered promiscuous mode [ 50.897830] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.906276] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.916114] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.924943] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.962854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.970837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.978349] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.984817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.992819] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.999745] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.031320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.039140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.046799] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.053195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.063118] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 51.086960] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.094632] team0: Port device team_slave_0 added [ 51.101013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.108796] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.116400] team0: Port device team_slave_1 added [ 51.121951] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.129273] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.144332] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.156822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.165629] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.172789] chnl_net:caif_netlink_parms(): no params data found [ 51.214984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.223354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.231232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.239212] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.302096] device hsr_slave_0 entered promiscuous mode [ 51.340258] device hsr_slave_1 entered promiscuous mode [ 51.390713] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.397741] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.409890] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.425992] chnl_net:caif_netlink_parms(): no params data found [ 51.434749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.442476] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.452853] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.462663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.470766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.489186] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.504135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.512804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.543723] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.550485] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.556864] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.563963] device bridge_slave_0 entered promiscuous mode [ 51.586239] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.592757] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.599579] device bridge_slave_1 entered promiscuous mode [ 51.610732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.626528] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.633768] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.640491] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.647303] device bridge_slave_0 entered promiscuous mode [ 51.659048] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.665684] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.672807] device bridge_slave_1 entered promiscuous mode [ 51.689883] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.700814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.713831] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.720710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.727544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.737323] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.747061] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.766639] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.775496] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.790788] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.796859] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.806972] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.814130] team0: Port device team_slave_0 added [ 51.819934] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.827421] team0: Port device team_slave_1 added [ 51.832711] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.846705] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.854084] team0: Port device team_slave_0 added [ 51.859915] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.868183] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.884325] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.891438] team0: Port device team_slave_1 added [ 51.897103] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.905351] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.917926] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.925719] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.935183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.943262] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.950919] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.957269] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.964187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.971518] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.979585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.987917] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.996215] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.003722] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.043980] device hsr_slave_0 entered promiscuous mode [ 52.080486] device hsr_slave_1 entered promiscuous mode [ 52.125009] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.133024] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.141341] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.159140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.171903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.179409] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.185816] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.195363] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.205019] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.213820] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.253619] device hsr_slave_0 entered promiscuous mode [ 52.290571] device hsr_slave_1 entered promiscuous mode [ 52.340631] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.347635] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.354913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.363222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.370911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.378593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.386240] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.392593] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.399811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.409718] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.419133] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.432462] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.440846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.448493] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.457012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.464818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.472780] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.479105] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.486226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.494074] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.504266] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.511843] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.522512] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.530882] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.543472] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.550723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.558364] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.567691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.579475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.587429] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.595878] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.604818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.617435] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.629667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.638652] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.648256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.656373] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.666628] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.678011] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.687270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.688498] FAULT_INJECTION: forcing a failure. [ 52.688498] name failslab, interval 1, probability 0, space 0, times 1 [ 52.696349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.706069] CPU: 0 PID: 6791 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 52.717693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.720794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.720798] Call Trace: [ 52.720811] dump_stack+0xf7/0x13b [ 52.720822] should_fail.cold.3+0x105/0x14b [ 52.720831] should_failslab+0xba/0xf0 [ 52.720837] kmem_cache_alloc+0x2cf/0x790 [ 52.720844] ? lock_downgrade+0x7f0/0x7f0 [ 52.720851] ? register_shrinker+0xf1/0x1e0 [ 52.728292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.737282] alloc_inode+0x86/0x150 [ 52.737289] new_inode_pseudo+0xc/0xd0 [ 52.737293] new_inode+0x14/0x30 [ 52.737299] simple_fill_super+0xf3/0x630 [ 52.737304] ? sget_userns+0x8d6/0xb40 [ 52.737308] ? set_anon_super+0x10/0x10 [ 52.737315] ? nfsd_mount+0xf0/0xf0 [ 52.737320] nfsd_fill_super+0x45/0x50 [ 52.737323] mount_ns+0xd0/0x170 [ 52.737330] nfsd_mount+0x93/0xf0 [ 52.737337] ? lockdep_init_map+0x9/0x10 [ 52.737342] mount_fs+0x7f/0x269 [ 52.737348] ? alloc_vfsmnt+0x470/0x750 [ 52.737355] vfs_kern_mount.part.33+0x58/0x3c0 [ 52.737363] do_mount+0x36b/0x26a0 [ 52.737371] ? __might_fault+0xf1/0x1b0 [ 52.737379] ? copy_mount_string+0x20/0x20 [ 52.737391] ? kasan_check_write+0x14/0x20 [ 52.746667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.747797] ? _copy_from_user+0x9c/0xd0 [ 52.765226] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.771361] ? memdup_user+0x4a/0x80 [ 52.771372] SyS_mount+0xb8/0xd0 [ 52.771378] ? copy_mnt_ns+0xae0/0xae0 [ 52.771384] do_syscall_64+0x1c7/0x5b0 [ 52.771388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.771398] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.771403] RIP: 0033:0x459279 [ 52.771406] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.771415] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 52.771418] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 52.771421] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 52.771424] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 52.771427] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 52.775902] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.941582] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.956077] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.963204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.979127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.987049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.000431] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.008646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.016697] FAULT_INJECTION: forcing a failure. [ 53.016697] name failslab, interval 1, probability 0, space 0, times 0 [ 53.021391] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.034649] CPU: 1 PID: 6795 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 53.042473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.047650] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.051823] Call Trace: [ 53.051870] dump_stack+0xf7/0x13b [ 53.051881] should_fail.cold.3+0x105/0x14b [ 53.060631] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.063858] should_failslab+0xba/0xf0 [ 53.063866] __kmalloc+0x2e8/0x7b0 [ 53.070734] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.074223] ? __list_lru_init+0x69/0x5f0 [ 53.074231] __list_lru_init+0x69/0x5f0 [ 53.080793] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.081642] sget_userns+0x3e0/0xb40 [ 53.081647] ? set_anon_super+0x10/0x10 [ 53.087723] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.091847] ? get_empty_filp.cold.4+0x3a/0x3a [ 53.091855] ? nfsd_mount+0xf0/0xf0 [ 53.091859] mount_ns+0x5d/0x170 [ 53.091865] nfsd_mount+0x93/0xf0 [ 53.091871] ? lockdep_init_map+0x9/0x10 [ 53.091876] mount_fs+0x7f/0x269 [ 53.091882] ? alloc_vfsmnt+0x470/0x750 [ 53.091889] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.099620] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.101920] do_mount+0x36b/0x26a0 [ 53.101933] ? __might_fault+0xf1/0x1b0 [ 53.101944] ? copy_mount_string+0x20/0x20 [ 53.107978] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.109631] ? kasan_check_write+0x14/0x20 [ 53.109639] ? _copy_from_user+0x9c/0xd0 [ 53.118234] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.120079] ? memdup_user+0x4a/0x80 [ 53.120089] SyS_mount+0xb8/0xd0 [ 53.120095] ? copy_mnt_ns+0xae0/0xae0 [ 53.120101] do_syscall_64+0x1c7/0x5b0 [ 53.120106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.126091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.127080] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.127086] RIP: 0033:0x459279 [ 53.133231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.134565] RSP: 002b:00007f311b631c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.134573] RAX: ffffffffffffffda RBX: 00007f311b631c90 RCX: 0000000000459279 [ 53.134575] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 53.134578] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 53.134582] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6326d4 [ 53.140532] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.141894] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 53.289812] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.301906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.312632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.319483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.327369] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.335146] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.341517] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.348461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.349717] FAULT_INJECTION: forcing a failure. [ 53.349717] name failslab, interval 1, probability 0, space 0, times 0 [ 53.356464] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.373130] CPU: 1 PID: 6799 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 53.375167] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.382482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.382485] Call Trace: [ 53.382499] dump_stack+0xf7/0x13b [ 53.382509] should_fail.cold.3+0x105/0x14b [ 53.382518] should_failslab+0xba/0xf0 [ 53.382525] __kmalloc+0x2e8/0x7b0 [ 53.382536] ? __list_lru_init+0x69/0x5f0 [ 53.388862] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.398201] __list_lru_init+0x69/0x5f0 [ 53.398211] sget_userns+0x3c5/0xb40 [ 53.398215] ? set_anon_super+0x10/0x10 [ 53.398223] ? get_empty_filp.cold.4+0x3a/0x3a [ 53.401179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.404325] ? nfsd_mount+0xf0/0xf0 [ 53.404332] mount_ns+0x5d/0x170 [ 53.404339] nfsd_mount+0x93/0xf0 [ 53.404345] ? lockdep_init_map+0x9/0x10 [ 53.404351] mount_fs+0x7f/0x269 [ 53.409306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.412666] ? alloc_vfsmnt+0x470/0x750 [ 53.412675] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.412683] do_mount+0x36b/0x26a0 [ 53.412690] ? __might_fault+0xf1/0x1b0 [ 53.412697] ? copy_mount_string+0x20/0x20 [ 53.412707] ? kasan_check_write+0x14/0x20 [ 53.412715] ? _copy_from_user+0x9c/0xd0 [ 53.416803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.420384] ? memdup_user+0x4a/0x80 [ 53.420394] SyS_mount+0xb8/0xd0 [ 53.420401] ? copy_mnt_ns+0xae0/0xae0 [ 53.420407] do_syscall_64+0x1c7/0x5b0 [ 53.420411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.420424] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.427421] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.430880] RIP: 0033:0x459279 [ 53.430884] RSP: 002b:00007f311b631c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.430890] RAX: ffffffffffffffda RBX: 00007f311b631c90 RCX: 0000000000459279 [ 53.430893] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 53.430895] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 53.430898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6326d4 [ 53.430900] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 53.592187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready 2020/01/13 14:52:21 executed programs: 8 [ 53.599692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.608640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.615689] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.624788] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.636235] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.653767] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.665301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.672090] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.678854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.688432] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.694951] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.703003] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.712634] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.712765] FAULT_INJECTION: forcing a failure. [ 53.712765] name failslab, interval 1, probability 0, space 0, times 0 [ 53.719534] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.733589] CPU: 0 PID: 6804 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 53.739570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.744451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.744455] Call Trace: [ 53.744468] dump_stack+0xf7/0x13b [ 53.744478] should_fail.cold.3+0x105/0x14b [ 53.744488] should_failslab+0xba/0xf0 [ 53.752495] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.760499] __kmalloc+0x2e8/0x7b0 [ 53.760505] ? sget_userns+0x8c2/0xb40 [ 53.760513] ? lock_downgrade+0x7f0/0x7f0 [ 53.760519] ? register_shrinker+0xb5/0x1e0 [ 53.760527] register_shrinker+0xb5/0x1e0 [ 53.760532] sget_userns+0x8d6/0xb40 [ 53.760536] ? set_anon_super+0x10/0x10 [ 53.760542] ? get_empty_filp.cold.4+0x3a/0x3a [ 53.760549] ? nfsd_mount+0xf0/0xf0 [ 53.763493] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.766663] mount_ns+0x5d/0x170 [ 53.766673] nfsd_mount+0x93/0xf0 [ 53.766678] ? lockdep_init_map+0x9/0x10 [ 53.766683] mount_fs+0x7f/0x269 [ 53.771635] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.774885] ? alloc_vfsmnt+0x470/0x750 [ 53.774893] vfs_kern_mount.part.33+0x58/0x3c0 [ 53.774900] do_mount+0x36b/0x26a0 [ 53.790373] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.791926] ? __might_fault+0xf1/0x1b0 [ 53.791936] ? copy_mount_string+0x20/0x20 [ 53.799839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.800383] ? kasan_check_write+0x14/0x20 [ 53.800390] ? _copy_from_user+0x9c/0xd0 [ 53.800397] ? memdup_user+0x4a/0x80 [ 53.800408] SyS_mount+0xb8/0xd0 [ 53.800419] ? copy_mnt_ns+0xae0/0xae0 [ 53.808250] do_syscall_64+0x1c7/0x5b0 [ 53.808254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.808265] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.915734] RIP: 0033:0x459279 [ 53.918907] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.926591] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 53.933837] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 53.941082] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 53.948344] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 53.955605] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 53.985202] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.009438] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.022921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.030720] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.038288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.046167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.054134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.071951] FAULT_INJECTION: forcing a failure. [ 54.071951] name failslab, interval 1, probability 0, space 0, times 0 [ 54.072394] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.086431] CPU: 0 PID: 6818 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 54.098746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.102606] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.108100] Call Trace: [ 54.117304] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.117620] dump_stack+0xf7/0x13b [ 54.126491] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.127887] should_fail.cold.3+0x105/0x14b [ 54.136801] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.138937] should_failslab+0xba/0xf0 [ 54.148065] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.149567] kmem_cache_alloc+0x2cf/0x790 [ 54.159632] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.160465] ? lock_downgrade+0x7f0/0x7f0 [ 54.160472] ? register_shrinker+0xf1/0x1e0 [ 54.160480] alloc_inode+0x86/0x150 [ 54.160489] new_inode_pseudo+0xc/0xd0 [ 54.169390] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.171275] new_inode+0x14/0x30 [ 54.171282] simple_fill_super+0xf3/0x630 [ 54.171286] ? sget_userns+0x8d6/0xb40 [ 54.171290] ? set_anon_super+0x10/0x10 [ 54.171298] ? nfsd_mount+0xf0/0xf0 [ 54.171303] nfsd_fill_super+0x45/0x50 [ 54.176962] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.179231] mount_ns+0xd0/0x170 [ 54.183124] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.189744] nfsd_mount+0x93/0xf0 [ 54.193724] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.197218] ? lockdep_init_map+0x9/0x10 [ 54.206779] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.208655] mount_fs+0x7f/0x269 [ 54.216630] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.222127] ? alloc_vfsmnt+0x470/0x750 [ 54.222135] vfs_kern_mount.part.33+0x58/0x3c0 [ 54.222142] do_mount+0x36b/0x26a0 [ 54.222151] ? __might_fault+0xf1/0x1b0 [ 54.222158] ? copy_mount_string+0x20/0x20 [ 54.235124] ? kasan_check_write+0x14/0x20 [ 54.235131] ? _copy_from_user+0x9c/0xd0 [ 54.235138] ? memdup_user+0x4a/0x80 [ 54.235147] SyS_mount+0xb8/0xd0 [ 54.235159] ? copy_mnt_ns+0xae0/0xae0 [ 54.241874] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 54.244565] do_syscall_64+0x1c7/0x5b0 [ 54.244571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.248615] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.254741] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.254747] RIP: 0033:0x459279 [ 54.254749] RSP: 002b:00007f311b631c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.254755] RAX: ffffffffffffffda RBX: 00007f311b631c90 RCX: 0000000000459279 [ 54.254757] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 54.254760] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 54.254762] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6326d4 [ 54.254764] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 54.378432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.388523] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.399050] FAULT_INJECTION: forcing a failure. [ 54.399050] name failslab, interval 1, probability 0, space 0, times 0 [ 54.400943] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.411528] CPU: 0 PID: 6828 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 54.416664] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.424418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.424421] Call Trace: [ 54.424435] dump_stack+0xf7/0x13b [ 54.424444] should_fail.cold.3+0x105/0x14b [ 54.424453] should_failslab+0xba/0xf0 [ 54.424459] __kmalloc+0x2e8/0x7b0 [ 54.424468] ? __list_lru_init+0x69/0x5f0 [ 54.424475] __list_lru_init+0x69/0x5f0 [ 54.437427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.440298] sget_userns+0x3e0/0xb40 [ 54.440303] ? set_anon_super+0x10/0x10 [ 54.440309] ? get_empty_filp.cold.4+0x3a/0x3a [ 54.440316] ? nfsd_mount+0xf0/0xf0 [ 54.440321] mount_ns+0x5d/0x170 [ 54.440327] nfsd_mount+0x93/0xf0 [ 54.440333] ? lockdep_init_map+0x9/0x10 [ 54.440338] mount_fs+0x7f/0x269 [ 54.440344] ? alloc_vfsmnt+0x470/0x750 [ 54.440352] vfs_kern_mount.part.33+0x58/0x3c0 [ 54.440361] do_mount+0x36b/0x26a0 [ 54.443329] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.446461] ? __might_fault+0xf1/0x1b0 [ 54.446471] ? copy_mount_string+0x20/0x20 [ 54.446481] ? kasan_check_write+0x14/0x20 [ 54.451520] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.454683] ? _copy_from_user+0x9c/0xd0 [ 54.454692] ? memdup_user+0x4a/0x80 [ 54.454703] SyS_mount+0xb8/0xd0 [ 54.458240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.462474] ? copy_mnt_ns+0xae0/0xae0 [ 54.462480] do_syscall_64+0x1c7/0x5b0 [ 54.462485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.462495] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.462500] RIP: 0033:0x459279 [ 54.462503] RSP: 002b:00007f311b631c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.462510] RAX: ffffffffffffffda RBX: 00007f311b631c90 RCX: 0000000000459279 [ 54.467075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.473797] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 54.473800] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 54.473803] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6326d4 [ 54.473806] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 54.634712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.642817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.650604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.658047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.665749] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.673286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.681166] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.688577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.696167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.707227] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.719415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.732848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.742523] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.750413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.757730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.772123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.779724] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.786093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.793395] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.801459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.808923] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.815278] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.822292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.841455] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.851581] FAULT_INJECTION: forcing a failure. [ 54.851581] name failslab, interval 1, probability 0, space 0, times 0 [ 54.860520] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.870125] CPU: 0 PID: 6835 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 54.879415] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.880192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.880196] Call Trace: [ 54.880210] dump_stack+0xf7/0x13b [ 54.880220] should_fail.cold.3+0x105/0x14b [ 54.880229] should_failslab+0xba/0xf0 [ 54.880239] kmem_cache_alloc+0x2cf/0x790 [ 54.890770] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.898230] ? lock_downgrade+0x7f0/0x7f0 [ 54.898237] ? register_shrinker+0xf1/0x1e0 [ 54.898245] alloc_inode+0x86/0x150 [ 54.898253] new_inode_pseudo+0xc/0xd0 [ 54.903614] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.904453] new_inode+0x14/0x30 [ 54.904461] simple_fill_super+0xf3/0x630 [ 54.912458] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.915985] ? sget_userns+0x8d6/0xb40 [ 54.915991] ? set_anon_super+0x10/0x10 [ 54.916000] ? nfsd_mount+0xf0/0xf0 [ 54.922054] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.927431] nfsd_fill_super+0x45/0x50 [ 54.927438] mount_ns+0xd0/0x170 [ 54.927444] nfsd_mount+0x93/0xf0 [ 54.927451] ? lockdep_init_map+0x9/0x10 [ 54.927458] mount_fs+0x7f/0x269 [ 54.932147] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.936093] ? alloc_vfsmnt+0x470/0x750 [ 54.936101] vfs_kern_mount.part.33+0x58/0x3c0 [ 54.936110] do_mount+0x36b/0x26a0 [ 54.941626] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.944809] ? __might_fault+0xf1/0x1b0 [ 54.944819] ? copy_mount_string+0x20/0x20 [ 54.944829] ? kasan_check_write+0x14/0x20 [ 54.959947] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.961882] ? _copy_from_user+0x9c/0xd0 [ 54.961891] ? memdup_user+0x4a/0x80 [ 54.961901] SyS_mount+0xb8/0xd0 [ 54.961908] ? copy_mnt_ns+0xae0/0xae0 [ 54.961914] do_syscall_64+0x1c7/0x5b0 [ 54.961920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.975123] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.978381] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.999952] RIP: 0033:0x459279 [ 54.999956] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.999962] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 54.999964] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 54.999967] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 54.999969] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 54.999972] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 55.196508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.241143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.257604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.269773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.280201] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.289595] FAULT_INJECTION: forcing a failure. [ 55.289595] name failslab, interval 1, probability 0, space 0, times 0 [ 55.301517] FAULT_INJECTION: forcing a failure. [ 55.301517] name failslab, interval 1, probability 0, space 0, times 0 [ 55.301571] FAULT_INJECTION: forcing a failure. [ 55.301571] name failslab, interval 1, probability 0, space 0, times 0 [ 55.322364] CPU: 1 PID: 6850 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 55.326395] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.335377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.335380] Call Trace: [ 55.335393] dump_stack+0xf7/0x13b [ 55.335403] should_fail.cold.3+0x105/0x14b [ 55.335413] should_failslab+0xba/0xf0 [ 55.335420] __kmalloc+0x2e8/0x7b0 [ 55.335430] ? __list_lru_init+0x69/0x5f0 [ 55.335437] __list_lru_init+0x69/0x5f0 [ 55.335445] sget_userns+0x3e0/0xb40 [ 55.335449] ? set_anon_super+0x10/0x10 [ 55.335456] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.335462] ? nfsd_mount+0xf0/0xf0 [ 55.335467] mount_ns+0x5d/0x170 [ 55.335473] nfsd_mount+0x93/0xf0 [ 55.335480] ? lockdep_init_map+0x9/0x10 [ 55.335485] mount_fs+0x7f/0x269 [ 55.335492] ? alloc_vfsmnt+0x470/0x750 [ 55.335499] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.335507] do_mount+0x36b/0x26a0 [ 55.335511] ? __might_fault+0xf1/0x1b0 [ 55.335518] ? copy_mount_string+0x20/0x20 [ 55.335526] ? kasan_check_write+0x14/0x20 [ 55.335531] ? _copy_from_user+0x9c/0xd0 [ 55.335537] ? memdup_user+0x4a/0x80 [ 55.335545] SyS_mount+0xb8/0xd0 [ 55.335551] ? copy_mnt_ns+0xae0/0xae0 [ 55.335557] do_syscall_64+0x1c7/0x5b0 [ 55.335561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.335570] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.335574] RIP: 0033:0x459279 [ 55.335577] RSP: 002b:00007f55620a3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.335583] RAX: ffffffffffffffda RBX: 00007f55620a3c90 RCX: 0000000000459279 [ 55.335586] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 55.335589] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.335592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620a46d4 [ 55.335595] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 55.340552] CPU: 1 PID: 6852 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 55.350504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.352085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.352088] Call Trace: [ 55.354977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.358203] dump_stack+0xf7/0x13b [ 55.380612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.381707] should_fail.cold.3+0x105/0x14b [ 55.385952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.390239] should_failslab+0xba/0xf0 [ 55.390248] __kmalloc+0x2e8/0x7b0 [ 55.390257] ? __list_lru_init+0x69/0x5f0 [ 55.390264] __list_lru_init+0x69/0x5f0 [ 55.390272] sget_userns+0x3e0/0xb40 [ 55.390276] ? set_anon_super+0x10/0x10 [ 55.390283] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.390292] ? nfsd_mount+0xf0/0xf0 [ 55.410626] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.412021] mount_ns+0x5d/0x170 [ 55.417179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.421128] nfsd_mount+0x93/0xf0 [ 55.421135] ? lockdep_init_map+0x9/0x10 [ 55.421141] mount_fs+0x7f/0x269 [ 55.421147] ? alloc_vfsmnt+0x470/0x750 [ 55.421154] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.421161] do_mount+0x36b/0x26a0 [ 55.421167] ? __might_fault+0xf1/0x1b0 [ 55.421175] ? copy_mount_string+0x20/0x20 [ 55.421185] ? kasan_check_write+0x14/0x20 [ 55.682303] ? _copy_from_user+0x9c/0xd0 [ 55.686434] ? memdup_user+0x4a/0x80 [ 55.691791] SyS_mount+0xb8/0xd0 [ 55.695137] ? copy_mnt_ns+0xae0/0xae0 [ 55.699092] do_syscall_64+0x1c7/0x5b0 [ 55.702959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.717767] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.722934] RIP: 0033:0x459279 [ 55.726104] RSP: 002b:00007f311b631c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.734399] RAX: ffffffffffffffda RBX: 00007f311b631c90 RCX: 0000000000459279 [ 55.742435] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 55.749686] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.758165] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6326d4 [ 55.765506] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 55.773119] CPU: 0 PID: 6851 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 55.782951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.789228] FAULT_INJECTION: forcing a failure. [ 55.789228] name failslab, interval 1, probability 0, space 0, times 0 [ 55.793257] Call Trace: [ 55.793269] dump_stack+0xf7/0x13b [ 55.793282] should_fail.cold.3+0x105/0x14b [ 55.793292] should_failslab+0xba/0xf0 [ 55.793300] __kmalloc+0x2e8/0x7b0 [ 55.793310] ? __list_lru_init+0x69/0x5f0 [ 55.793317] __list_lru_init+0x69/0x5f0 [ 55.793325] sget_userns+0x3e0/0xb40 [ 55.793329] ? set_anon_super+0x10/0x10 [ 55.793335] ? get_empty_filp.cold.4+0x3a/0x3a [ 55.793344] ? nfsd_mount+0xf0/0xf0 [ 55.853000] mount_ns+0x5d/0x170 [ 55.856357] nfsd_mount+0x93/0xf0 [ 55.859793] ? lockdep_init_map+0x9/0x10 [ 55.863881] mount_fs+0x7f/0x269 [ 55.867253] ? alloc_vfsmnt+0x470/0x750 [ 55.877030] vfs_kern_mount.part.33+0x58/0x3c0 [ 55.881602] do_mount+0x36b/0x26a0 [ 55.885124] ? __might_fault+0xf1/0x1b0 [ 55.889083] ? copy_mount_string+0x20/0x20 [ 55.893312] ? kasan_check_write+0x14/0x20 [ 55.898751] ? _copy_from_user+0x9c/0xd0 [ 55.903618] ? memdup_user+0x4a/0x80 [ 55.907925] SyS_mount+0xb8/0xd0 [ 55.911271] ? copy_mnt_ns+0xae0/0xae0 [ 55.915226] do_syscall_64+0x1c7/0x5b0 [ 55.920222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.925048] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.930655] RIP: 0033:0x459279 [ 55.934095] RSP: 002b:00007ffb9b80cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.942645] RAX: ffffffffffffffda RBX: 00007ffb9b80cc90 RCX: 0000000000459279 [ 55.950590] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 55.957839] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 55.965097] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b80d6d4 [ 55.972349] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 55.979609] CPU: 1 PID: 6856 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 55.987411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.996951] Call Trace: [ 55.999544] dump_stack+0xf7/0x13b [ 56.003989] should_fail.cold.3+0x105/0x14b [ 56.009626] should_failslab+0xba/0xf0 [ 56.013518] __kmalloc+0x2e8/0x7b0 [ 56.017049] ? sget_userns+0x8c2/0xb40 [ 56.020925] ? lock_downgrade+0x7f0/0x7f0 [ 56.025059] ? register_shrinker+0xb5/0x1e0 [ 56.029447] register_shrinker+0xb5/0x1e0 [ 56.033591] sget_userns+0x8d6/0xb40 [ 56.037323] ? set_anon_super+0x10/0x10 [ 56.041280] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.045895] ? nfsd_mount+0xf0/0xf0 [ 56.049495] mount_ns+0x5d/0x170 [ 56.052841] nfsd_mount+0x93/0xf0 [ 56.056273] ? lockdep_init_map+0x9/0x10 [ 56.060319] mount_fs+0x7f/0x269 [ 56.063670] ? alloc_vfsmnt+0x470/0x750 [ 56.067668] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.072231] do_mount+0x36b/0x26a0 [ 56.075816] ? __might_fault+0xf1/0x1b0 [ 56.079804] ? copy_mount_string+0x20/0x20 [ 56.084021] ? kasan_check_write+0x14/0x20 [ 56.088843] ? _copy_from_user+0x9c/0xd0 [ 56.092972] ? memdup_user+0x4a/0x80 [ 56.097933] SyS_mount+0xb8/0xd0 [ 56.101286] ? copy_mnt_ns+0xae0/0xae0 [ 56.105158] do_syscall_64+0x1c7/0x5b0 [ 56.109022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.114713] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.120492] RIP: 0033:0x459279 [ 56.123665] RSP: 002b:00007fe960d37c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.133724] RAX: ffffffffffffffda RBX: 00007fe960d37c90 RCX: 0000000000459279 [ 56.140975] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 56.148230] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 56.155915] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d386d4 [ 56.163171] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 56.228151] FAULT_INJECTION: forcing a failure. [ 56.228151] name failslab, interval 1, probability 0, space 0, times 0 [ 56.242673] CPU: 1 PID: 6863 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 56.252683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.263337] Call Trace: [ 56.263353] dump_stack+0xf7/0x13b [ 56.263363] should_fail.cold.3+0x105/0x14b [ 56.263371] should_failslab+0xba/0xf0 [ 56.263378] __kmalloc+0x2e8/0x7b0 [ 56.263387] ? __list_lru_init+0x69/0x5f0 [ 56.263395] __list_lru_init+0x69/0x5f0 [ 56.263404] sget_userns+0x3e0/0xb40 [ 56.263407] ? set_anon_super+0x10/0x10 [ 56.263413] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.263418] ? nfsd_mount+0xf0/0xf0 [ 56.263423] mount_ns+0x5d/0x170 [ 56.263430] nfsd_mount+0x93/0xf0 [ 56.263437] ? lockdep_init_map+0x9/0x10 [ 56.263442] mount_fs+0x7f/0x269 [ 56.263448] ? alloc_vfsmnt+0x470/0x750 [ 56.263455] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.263463] do_mount+0x36b/0x26a0 [ 56.263468] ? __might_fault+0xf1/0x1b0 [ 56.263475] ? copy_mount_string+0x20/0x20 [ 56.279784] ? kasan_check_write+0x14/0x20 [ 56.279793] ? _copy_from_user+0x9c/0xd0 [ 56.279801] ? memdup_user+0x4a/0x80 [ 56.279813] SyS_mount+0xb8/0xd0 [ 56.287568] ? copy_mnt_ns+0xae0/0xae0 [ 56.309379] FAULT_INJECTION: forcing a failure. [ 56.309379] name failslab, interval 1, probability 0, space 0, times 0 [ 56.311797] do_syscall_64+0x1c7/0x5b0 [ 56.311802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.311812] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.311817] RIP: 0033:0x459279 [ 56.311820] RSP: 002b:00007f55620c4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.311827] RAX: ffffffffffffffda RBX: 00007f55620c4c90 RCX: 0000000000459279 [ 56.311830] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 56.311832] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 56.311835] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620c56d4 [ 56.311838] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 56.342793] CPU: 0 PID: 6867 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 56.350900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.350904] Call Trace: [ 56.462184] dump_stack+0xf7/0x13b [ 56.465707] should_fail.cold.3+0x105/0x14b [ 56.470009] should_failslab+0xba/0xf0 [ 56.473892] __kmalloc+0x2e8/0x7b0 [ 56.477423] ? __list_lru_init+0x69/0x5f0 [ 56.481550] __list_lru_init+0x69/0x5f0 [ 56.485501] sget_userns+0x3e0/0xb40 [ 56.489192] ? set_anon_super+0x10/0x10 [ 56.493154] ? get_empty_filp.cold.4+0x3a/0x3a [ 56.497735] ? nfsd_mount+0xf0/0xf0 [ 56.501345] mount_ns+0x5d/0x170 [ 56.504692] nfsd_mount+0x93/0xf0 [ 56.508133] ? lockdep_init_map+0x9/0x10 [ 56.512185] mount_fs+0x7f/0x269 [ 56.515545] ? alloc_vfsmnt+0x470/0x750 [ 56.519503] vfs_kern_mount.part.33+0x58/0x3c0 [ 56.524069] do_mount+0x36b/0x26a0 [ 56.536125] ? __might_fault+0xf1/0x1b0 [ 56.540084] ? copy_mount_string+0x20/0x20 [ 56.544322] ? kasan_check_write+0x14/0x20 [ 56.548578] ? _copy_from_user+0x9c/0xd0 [ 56.552730] ? memdup_user+0x4a/0x80 [ 56.556826] SyS_mount+0xb8/0xd0 [ 56.560394] ? copy_mnt_ns+0xae0/0xae0 [ 56.564966] do_syscall_64+0x1c7/0x5b0 [ 56.569540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.574637] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.580014] RIP: 0033:0x459279 [ 56.583625] RSP: 002b:00007ffb9b80cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.591312] RAX: ffffffffffffffda RBX: 00007ffb9b80cc90 RCX: 0000000000459279 [ 56.598611] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 56.605910] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 56.613162] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b80d6d4 [ 56.620450] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000003 [ 57.549109] FAULT_INJECTION: forcing a failure. [ 57.549109] name failslab, interval 1, probability 0, space 0, times 0 [ 57.560851] CPU: 1 PID: 6875 Comm: syz-executor.5 Not tainted 4.14.164-syzkaller #0 [ 57.568690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.578073] Call Trace: [ 57.580679] dump_stack+0xf7/0x13b [ 57.584221] should_fail.cold.3+0x105/0x14b [ 57.588592] should_failslab+0xba/0xf0 [ 57.592483] __kmalloc+0x2e8/0x7b0 [ 57.596022] ? __list_lru_init+0x69/0x5f0 [ 57.600155] __list_lru_init+0x69/0x5f0 [ 57.604165] sget_userns+0x3e0/0xb40 [ 57.607860] ? set_anon_super+0x10/0x10 [ 57.611812] ? get_empty_filp.cold.4+0x3a/0x3a [ 57.616374] ? nfsd_mount+0xf0/0xf0 [ 57.619977] mount_ns+0x5d/0x170 [ 57.623330] nfsd_mount+0x93/0xf0 [ 57.626802] ? lockdep_init_map+0x9/0x10 [ 57.630847] mount_fs+0x7f/0x269 [ 57.634191] ? alloc_vfsmnt+0x470/0x750 [ 57.638148] vfs_kern_mount.part.33+0x58/0x3c0 [ 57.642733] do_mount+0x36b/0x26a0 [ 57.646267] ? __might_fault+0xf1/0x1b0 [ 57.650223] ? copy_mount_string+0x20/0x20 [ 57.654443] ? kasan_check_write+0x14/0x20 [ 57.658659] ? _copy_from_user+0x9c/0xd0 [ 57.662704] ? memdup_user+0x4a/0x80 [ 57.666407] SyS_mount+0xb8/0xd0 [ 57.669751] ? copy_mnt_ns+0xae0/0xae0 [ 57.673617] do_syscall_64+0x1c7/0x5b0 [ 57.677481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.682321] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.687498] RIP: 0033:0x459279 [ 57.690790] RSP: 002b:00007f202d33dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.698474] RAX: ffffffffffffffda RBX: 00007f202d33dc90 RCX: 0000000000459279 [ 57.705724] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 57.712970] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.720226] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f202d33e6d4 [ 57.727489] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 57.817000] FAULT_INJECTION: forcing a failure. [ 57.817000] name failslab, interval 1, probability 0, space 0, times 0 [ 57.828315] CPU: 0 PID: 6880 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 57.836098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.846388] Call Trace: [ 57.849000] dump_stack+0xf7/0x13b [ 57.852522] should_fail.cold.3+0x105/0x14b [ 57.856823] should_failslab+0xba/0xf0 [ 57.860780] __kmalloc+0x2e8/0x7b0 [ 57.864548] ? sget_userns+0x8c2/0xb40 [ 57.868413] ? lock_downgrade+0x7f0/0x7f0 [ 57.872537] ? register_shrinker+0xb5/0x1e0 [ 57.876840] register_shrinker+0xb5/0x1e0 [ 57.880968] sget_userns+0x8d6/0xb40 [ 57.884662] ? set_anon_super+0x10/0x10 [ 57.888622] ? get_empty_filp.cold.4+0x3a/0x3a [ 57.893183] ? nfsd_mount+0xf0/0xf0 [ 57.896836] mount_ns+0x5d/0x170 [ 57.900182] nfsd_mount+0x93/0xf0 [ 57.903617] ? lockdep_init_map+0x9/0x10 [ 57.907654] mount_fs+0x7f/0x269 [ 57.911216] ? alloc_vfsmnt+0x470/0x750 [ 57.915199] vfs_kern_mount.part.33+0x58/0x3c0 [ 57.919766] do_mount+0x36b/0x26a0 [ 57.923285] ? __might_fault+0xf1/0x1b0 [ 57.927237] ? copy_mount_string+0x20/0x20 [ 57.931455] ? kasan_check_write+0x14/0x20 [ 57.935666] ? _copy_from_user+0x9c/0xd0 [ 57.939706] ? memdup_user+0x4a/0x80 [ 57.943403] SyS_mount+0xb8/0xd0 [ 57.946747] ? copy_mnt_ns+0xae0/0xae0 [ 57.950636] do_syscall_64+0x1c7/0x5b0 [ 57.954518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.959354] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.964548] RIP: 0033:0x459279 [ 57.967724] RSP: 002b:00007fdf0ffa7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.975420] RAX: ffffffffffffffda RBX: 00007fdf0ffa7c90 RCX: 0000000000459279 [ 57.982691] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 57.989940] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.997192] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf0ffa86d4 [ 58.004459] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 58.022408] FAULT_INJECTION: forcing a failure. [ 58.022408] name failslab, interval 1, probability 0, space 0, times 0 [ 58.039841] FAULT_INJECTION: forcing a failure. [ 58.039841] name failslab, interval 1, probability 0, space 0, times 0 [ 58.042121] FAULT_INJECTION: forcing a failure. [ 58.042121] name failslab, interval 1, probability 0, space 0, times 0 [ 58.058509] FAULT_INJECTION: forcing a failure. [ 58.058509] name failslab, interval 1, probability 0, space 0, times 0 [ 58.062938] FAULT_INJECTION: forcing a failure. [ 58.062938] name failslab, interval 1, probability 0, space 0, times 0 [ 58.077204] CPU: 0 PID: 6886 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 58.087710] FAULT_INJECTION: forcing a failure. [ 58.087710] name failslab, interval 1, probability 0, space 0, times 0 [ 58.093442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.093446] Call Trace: [ 58.093458] dump_stack+0xf7/0x13b [ 58.093469] should_fail.cold.3+0x105/0x14b [ 58.093479] should_failslab+0xba/0xf0 [ 58.093486] __kmalloc+0x2e8/0x7b0 [ 58.093500] ? __list_lru_init+0x69/0x5f0 [ 58.093507] __list_lru_init+0x69/0x5f0 [ 58.093516] sget_userns+0x3c5/0xb40 [ 58.093522] ? set_anon_super+0x10/0x10 [ 58.148407] ? get_empty_filp.cold.4+0x3a/0x3a [ 58.152971] ? nfsd_mount+0xf0/0xf0 [ 58.156579] mount_ns+0x5d/0x170 [ 58.159940] nfsd_mount+0x93/0xf0 [ 58.163376] ? lockdep_init_map+0x9/0x10 [ 58.167415] mount_fs+0x7f/0x269 [ 58.170875] ? alloc_vfsmnt+0x470/0x750 [ 58.174837] vfs_kern_mount.part.33+0x58/0x3c0 [ 58.179407] do_mount+0x36b/0x26a0 [ 58.182932] ? __might_fault+0xf1/0x1b0 [ 58.186901] ? copy_mount_string+0x20/0x20 [ 58.191133] ? kasan_check_write+0x14/0x20 [ 58.195351] ? _copy_from_user+0x9c/0xd0 [ 58.199415] ? memdup_user+0x4a/0x80 [ 58.203113] SyS_mount+0xb8/0xd0 [ 58.206463] ? copy_mnt_ns+0xae0/0xae0 [ 58.210331] do_syscall_64+0x1c7/0x5b0 [ 58.214200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.219028] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.224197] RIP: 0033:0x459279 [ 58.227366] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.235054] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 58.242308] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 58.249572] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.256825] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 58.264076] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 58.271341] CPU: 1 PID: 6890 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 58.279156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.288516] Call Trace: [ 58.291100] dump_stack+0xf7/0x13b [ 58.294634] should_fail.cold.3+0x105/0x14b [ 58.298947] should_failslab+0xba/0xf0 [ 58.302820] __kmalloc+0x2e8/0x7b0 [ 58.306340] ? __list_lru_init+0x69/0x5f0 [ 58.310473] __list_lru_init+0x69/0x5f0 [ 58.314449] sget_userns+0x3e0/0xb40 [ 58.318226] ? set_anon_super+0x10/0x10 [ 58.322297] ? get_empty_filp.cold.4+0x3a/0x3a [ 58.326862] ? nfsd_mount+0xf0/0xf0 [ 58.330567] mount_ns+0x5d/0x170 [ 58.333920] nfsd_mount+0x93/0xf0 [ 58.337356] ? lockdep_init_map+0x9/0x10 [ 58.341397] mount_fs+0x7f/0x269 [ 58.344743] ? alloc_vfsmnt+0x470/0x750 [ 58.348698] vfs_kern_mount.part.33+0x58/0x3c0 [ 58.353271] do_mount+0x36b/0x26a0 [ 58.356809] ? __might_fault+0xf1/0x1b0 [ 58.360774] ? copy_mount_string+0x20/0x20 [ 58.365005] ? kasan_check_write+0x14/0x20 [ 58.369226] ? _copy_from_user+0x9c/0xd0 [ 58.373277] ? memdup_user+0x4a/0x80 [ 58.376982] SyS_mount+0xb8/0xd0 [ 58.380331] ? copy_mnt_ns+0xae0/0xae0 [ 58.384204] do_syscall_64+0x1c7/0x5b0 [ 58.388070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.392905] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.398080] RIP: 0033:0x459279 [ 58.401255] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.408947] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 58.416202] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 58.423462] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.430729] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 58.438080] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 58.445358] CPU: 0 PID: 6887 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 58.453161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.462506] Call Trace: [ 58.465089] dump_stack+0xf7/0x13b [ 58.468619] should_fail.cold.3+0x105/0x14b [ 58.472931] should_failslab+0xba/0xf0 [ 58.476809] __kmalloc+0x2e8/0x7b0 [ 58.480330] ? __list_lru_init+0x69/0x5f0 [ 58.484459] __list_lru_init+0x69/0x5f0 [ 58.488419] sget_userns+0x3e0/0xb40 [ 58.492114] ? set_anon_super+0x10/0x10 [ 58.496072] ? get_empty_filp.cold.4+0x3a/0x3a [ 58.500659] ? nfsd_mount+0xf0/0xf0 [ 58.504266] mount_ns+0x5d/0x170 [ 58.507611] nfsd_mount+0x93/0xf0 [ 58.511044] ? lockdep_init_map+0x9/0x10 [ 58.515083] mount_fs+0x7f/0x269 [ 58.518431] ? alloc_vfsmnt+0x470/0x750 [ 58.522390] vfs_kern_mount.part.33+0x58/0x3c0 [ 58.526958] do_mount+0x36b/0x26a0 [ 58.530477] ? __might_fault+0xf1/0x1b0 [ 58.534430] ? copy_mount_string+0x20/0x20 [ 58.538645] ? kasan_check_write+0x14/0x20 [ 58.542859] ? _copy_from_user+0x9c/0xd0 [ 58.546903] ? memdup_user+0x4a/0x80 [ 58.550595] SyS_mount+0xb8/0xd0 [ 58.553943] ? copy_mnt_ns+0xae0/0xae0 [ 58.557813] do_syscall_64+0x1c7/0x5b0 [ 58.561678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.566500] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.571668] RIP: 0033:0x459279 [ 58.574836] RSP: 002b:00007f55620c4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.582524] RAX: ffffffffffffffda RBX: 00007f55620c4c90 RCX: 0000000000459279 [ 58.589771] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 58.597020] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.604272] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620c56d4 [ 58.611520] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 58.618780] CPU: 1 PID: 6892 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 58.626583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.635930] Call Trace: [ 58.638511] dump_stack+0xf7/0x13b [ 58.642045] should_fail.cold.3+0x105/0x14b [ 58.646356] should_failslab+0xba/0xf0 [ 58.650355] __kmalloc+0x2e8/0x7b0 [ 58.653893] ? __list_lru_init+0x69/0x5f0 [ 58.658039] __list_lru_init+0x69/0x5f0 [ 58.662005] sget_userns+0x3e0/0xb40 [ 58.665710] ? set_anon_super+0x10/0x10 [ 58.669676] ? get_empty_filp.cold.4+0x3a/0x3a [ 58.674246] ? nfsd_mount+0xf0/0xf0 [ 58.677856] mount_ns+0x5d/0x170 [ 58.681215] nfsd_mount+0x93/0xf0 [ 58.684657] ? lockdep_init_map+0x9/0x10 [ 58.688707] mount_fs+0x7f/0x269 [ 58.692050] ? alloc_vfsmnt+0x470/0x750 [ 58.696007] vfs_kern_mount.part.33+0x58/0x3c0 [ 58.700575] do_mount+0x36b/0x26a0 [ 58.704116] ? __might_fault+0xf1/0x1b0 [ 58.708087] ? copy_mount_string+0x20/0x20 [ 58.712312] ? kasan_check_write+0x14/0x20 [ 58.716534] ? _copy_from_user+0x9c/0xd0 [ 58.720590] ? memdup_user+0x4a/0x80 [ 58.724311] SyS_mount+0xb8/0xd0 [ 58.727683] ? copy_mnt_ns+0xae0/0xae0 [ 58.731573] do_syscall_64+0x1c7/0x5b0 [ 58.735448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.740289] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.745466] RIP: 0033:0x459279 [ 58.748641] RSP: 002b:00007ffb9b82dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.756447] RAX: ffffffffffffffda RBX: 00007ffb9b82dc90 RCX: 0000000000459279 [ 58.763709] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 58.770981] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.778243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b82e6d4 [ 58.785506] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 58.792803] CPU: 0 PID: 6893 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 58.800746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.810085] Call Trace: [ 58.812660] dump_stack+0xf7/0x13b [ 58.816185] should_fail.cold.3+0x105/0x14b [ 58.820490] should_failslab+0xba/0xf0 [ 58.824363] __kmalloc+0x2e8/0x7b0 [ 58.827890] ? __list_lru_init+0x69/0x5f0 [ 58.832024] __list_lru_init+0x69/0x5f0 [ 58.835983] sget_userns+0x3e0/0xb40 [ 58.839682] ? set_anon_super+0x10/0x10 [ 58.843637] ? get_empty_filp.cold.4+0x3a/0x3a [ 58.848198] ? nfsd_mount+0xf0/0xf0 [ 58.851804] mount_ns+0x5d/0x170 [ 58.855151] nfsd_mount+0x93/0xf0 [ 58.858586] ? lockdep_init_map+0x9/0x10 [ 58.862634] mount_fs+0x7f/0x269 [ 58.865979] ? alloc_vfsmnt+0x470/0x750 [ 58.869934] vfs_kern_mount.part.33+0x58/0x3c0 [ 58.874504] do_mount+0x36b/0x26a0 [ 58.878029] ? __might_fault+0xf1/0x1b0 [ 58.881981] ? copy_mount_string+0x20/0x20 [ 58.886195] ? kasan_check_write+0x14/0x20 [ 58.890407] ? _copy_from_user+0x9c/0xd0 [ 58.894448] ? memdup_user+0x4a/0x80 [ 58.898155] SyS_mount+0xb8/0xd0 [ 58.901512] ? copy_mnt_ns+0xae0/0xae0 [ 58.905383] do_syscall_64+0x1c7/0x5b0 [ 58.909250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.914081] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.919249] RIP: 0033:0x459279 [ 58.922416] RSP: 002b:00007fdf0ffa7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.930101] RAX: ffffffffffffffda RBX: 00007fdf0ffa7c90 RCX: 0000000000459279 [ 58.937352] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 58.944600] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.951848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf0ffa86d4 [ 58.959094] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 58.966352] CPU: 1 PID: 6891 Comm: syz-executor.5 Not tainted 4.14.164-syzkaller #0 [ 58.974153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.983519] Call Trace: [ 58.986109] dump_stack+0xf7/0x13b [ 58.989030] FAULT_INJECTION: forcing a failure. [ 58.989030] name failslab, interval 1, probability 0, space 0, times 0 [ 58.989645] should_fail.cold.3+0x105/0x14b [ 58.989656] should_failslab+0xba/0xf0 [ 58.989663] __kmalloc+0x2e8/0x7b0 [ 58.989673] ? __list_lru_init+0x69/0x5f0 [ 59.016648] __list_lru_init+0x69/0x5f0 [ 59.020611] sget_userns+0x3e0/0xb40 [ 59.024312] ? set_anon_super+0x10/0x10 [ 59.028264] ? get_empty_filp.cold.4+0x3a/0x3a [ 59.032825] ? nfsd_mount+0xf0/0xf0 [ 59.036437] mount_ns+0x5d/0x170 [ 59.039794] nfsd_mount+0x93/0xf0 [ 59.043233] ? lockdep_init_map+0x9/0x10 [ 59.047280] mount_fs+0x7f/0x269 [ 59.050629] ? alloc_vfsmnt+0x470/0x750 [ 59.054584] vfs_kern_mount.part.33+0x58/0x3c0 [ 59.059146] do_mount+0x36b/0x26a0 [ 59.062672] ? __might_fault+0xf1/0x1b0 [ 59.066633] ? copy_mount_string+0x20/0x20 [ 59.070849] ? kasan_check_write+0x14/0x20 2020/01/13 14:52:26 executed programs: 21 [ 59.075064] ? _copy_from_user+0x9c/0xd0 [ 59.079106] ? memdup_user+0x4a/0x80 [ 59.082806] SyS_mount+0xb8/0xd0 [ 59.086159] ? copy_mnt_ns+0xae0/0xae0 [ 59.090029] do_syscall_64+0x1c7/0x5b0 [ 59.093900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.093911] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.093917] RIP: 0033:0x459279 [ 59.093920] RSP: 002b:00007f202d33dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.093926] RAX: ffffffffffffffda RBX: 00007f202d33dc90 RCX: 0000000000459279 [ 59.093929] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 59.093932] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.093935] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f202d33e6d4 [ 59.093939] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 59.121192] FAULT_INJECTION: forcing a failure. [ 59.121192] name failslab, interval 1, probability 0, space 0, times 0 [ 59.127163] CPU: 0 PID: 6896 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 59.133667] FAULT_INJECTION: forcing a failure. [ 59.133667] name failslab, interval 1, probability 0, space 0, times 0 [ 59.137083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.137087] Call Trace: [ 59.137098] dump_stack+0xf7/0x13b [ 59.137109] should_fail.cold.3+0x105/0x14b [ 59.137119] should_failslab+0xba/0xf0 [ 59.137127] kmem_cache_alloc+0x2cf/0x790 [ 59.137135] ? lock_downgrade+0x7f0/0x7f0 [ 59.213573] ? register_shrinker+0xf1/0x1e0 [ 59.217888] alloc_inode+0x86/0x150 [ 59.221503] new_inode_pseudo+0xc/0xd0 [ 59.225367] new_inode+0x14/0x30 [ 59.228716] simple_fill_super+0xf3/0x630 [ 59.232851] ? sget_userns+0x8d6/0xb40 [ 59.236719] ? set_anon_super+0x10/0x10 [ 59.240678] ? nfsd_mount+0xf0/0xf0 [ 59.244306] nfsd_fill_super+0x45/0x50 [ 59.248191] mount_ns+0xd0/0x170 [ 59.251546] nfsd_mount+0x93/0xf0 [ 59.254990] ? lockdep_init_map+0x9/0x10 [ 59.259038] mount_fs+0x7f/0x269 [ 59.262386] ? alloc_vfsmnt+0x470/0x750 [ 59.266342] vfs_kern_mount.part.33+0x58/0x3c0 [ 59.270909] do_mount+0x36b/0x26a0 [ 59.274435] ? __might_fault+0xf1/0x1b0 [ 59.278394] ? copy_mount_string+0x20/0x20 [ 59.282617] ? kasan_check_write+0x14/0x20 [ 59.286844] ? _copy_from_user+0x9c/0xd0 [ 59.290886] ? memdup_user+0x4a/0x80 [ 59.294580] SyS_mount+0xb8/0xd0 [ 59.297926] ? copy_mnt_ns+0xae0/0xae0 [ 59.301897] do_syscall_64+0x1c7/0x5b0 [ 59.305767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.310596] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.315766] RIP: 0033:0x459279 [ 59.318938] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.326628] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 59.333876] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 59.341153] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.348402] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 59.355657] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 59.362919] CPU: 1 PID: 6898 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 59.370713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.370717] Call Trace: [ 59.370728] dump_stack+0xf7/0x13b [ 59.370739] should_fail.cold.3+0x105/0x14b [ 59.386184] should_failslab+0xba/0xf0 [ 59.386192] __kmalloc+0x2e8/0x7b0 [ 59.386201] ? __list_lru_init+0x69/0x5f0 [ 59.397911] __list_lru_init+0x69/0x5f0 [ 59.397921] sget_userns+0x3c5/0xb40 [ 59.406005] ? set_anon_super+0x10/0x10 [ 59.413694] ? get_empty_filp.cold.4+0x3a/0x3a [ 59.418272] ? nfsd_mount+0xf0/0xf0 [ 59.421897] mount_ns+0x5d/0x170 [ 59.425268] nfsd_mount+0x93/0xf0 [ 59.428729] ? lockdep_init_map+0x9/0x10 [ 59.432790] mount_fs+0x7f/0x269 [ 59.436156] ? alloc_vfsmnt+0x470/0x750 [ 59.440128] vfs_kern_mount.part.33+0x58/0x3c0 [ 59.444705] do_mount+0x36b/0x26a0 [ 59.448228] ? __might_fault+0xf1/0x1b0 [ 59.452200] ? copy_mount_string+0x20/0x20 [ 59.456460] ? kasan_check_write+0x14/0x20 [ 59.460693] ? _copy_from_user+0x9c/0xd0 [ 59.464740] ? memdup_user+0x4a/0x80 [ 59.468434] SyS_mount+0xb8/0xd0 [ 59.471780] ? copy_mnt_ns+0xae0/0xae0 [ 59.475674] do_syscall_64+0x1c7/0x5b0 [ 59.479542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.484372] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.489542] RIP: 0033:0x459279 [ 59.492727] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.500419] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 59.507686] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 59.514948] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.522208] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 59.530857] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 59.538127] CPU: 0 PID: 6899 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 59.545932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.555285] Call Trace: [ 59.557884] dump_stack+0xf7/0x13b [ 59.561437] should_fail.cold.3+0x105/0x14b [ 59.562524] FAULT_INJECTION: forcing a failure. [ 59.562524] name failslab, interval 1, probability 0, space 0, times 0 [ 59.565756] should_failslab+0xba/0xf0 [ 59.565764] __kmalloc+0x2e8/0x7b0 [ 59.565775] ? __list_lru_init+0x69/0x5f0 [ 59.565783] __list_lru_init+0x69/0x5f0 [ 59.565792] sget_userns+0x3e0/0xb40 [ 59.565797] ? set_anon_super+0x10/0x10 [ 59.565804] ? get_empty_filp.cold.4+0x3a/0x3a [ 59.565812] ? nfsd_mount+0xf0/0xf0 [ 59.565818] mount_ns+0x5d/0x170 [ 59.577222] FAULT_INJECTION: forcing a failure. [ 59.577222] name failslab, interval 1, probability 0, space 0, times 0 [ 59.580864] nfsd_mount+0x93/0xf0 [ 59.580876] ? lockdep_init_map+0x9/0x10 [ 59.580882] mount_fs+0x7f/0x269 [ 59.580890] ? alloc_vfsmnt+0x470/0x750 [ 59.580898] vfs_kern_mount.part.33+0x58/0x3c0 [ 59.580906] do_mount+0x36b/0x26a0 [ 59.580913] ? __might_fault+0xf1/0x1b0 [ 59.580921] ? copy_mount_string+0x20/0x20 [ 59.580930] ? kasan_check_write+0x14/0x20 [ 59.580937] ? _copy_from_user+0x9c/0xd0 [ 59.580945] ? memdup_user+0x4a/0x80 [ 59.580953] SyS_mount+0xb8/0xd0 [ 59.669194] ? copy_mnt_ns+0xae0/0xae0 [ 59.673066] do_syscall_64+0x1c7/0x5b0 [ 59.676940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.681774] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.686944] RIP: 0033:0x459279 [ 59.690122] RSP: 002b:00007f55620c4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.697841] RAX: ffffffffffffffda RBX: 00007f55620c4c90 RCX: 0000000000459279 [ 59.705110] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 59.712629] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.719894] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620c56d4 [ 59.727158] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 59.734429] CPU: 1 PID: 6906 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 59.742224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.742228] Call Trace: [ 59.742241] dump_stack+0xf7/0x13b [ 59.742251] should_fail.cold.3+0x105/0x14b [ 59.742260] should_failslab+0xba/0xf0 [ 59.742266] __kmalloc+0x2e8/0x7b0 [ 59.742275] ? __list_lru_init+0x69/0x5f0 [ 59.764575] FAULT_INJECTION: forcing a failure. [ 59.764575] name failslab, interval 1, probability 0, space 0, times 0 [ 59.765902] __list_lru_init+0x69/0x5f0 [ 59.773608] sget_userns+0x3e0/0xb40 [ 59.792472] ? set_anon_super+0x10/0x10 [ 59.796435] ? get_empty_filp.cold.4+0x3a/0x3a [ 59.801002] ? nfsd_mount+0xf0/0xf0 [ 59.804630] mount_ns+0x5d/0x170 [ 59.807982] nfsd_mount+0x93/0xf0 [ 59.811417] ? lockdep_init_map+0x9/0x10 [ 59.811423] mount_fs+0x7f/0x269 [ 59.811428] ? alloc_vfsmnt+0x470/0x750 [ 59.811435] vfs_kern_mount.part.33+0x58/0x3c0 [ 59.811442] do_mount+0x36b/0x26a0 [ 59.811449] ? __might_fault+0xf1/0x1b0 [ 59.811455] ? copy_mount_string+0x20/0x20 [ 59.811465] ? kasan_check_write+0x14/0x20 [ 59.811471] ? _copy_from_user+0x9c/0xd0 [ 59.811477] ? memdup_user+0x4a/0x80 [ 59.811485] SyS_mount+0xb8/0xd0 [ 59.811491] ? copy_mnt_ns+0xae0/0xae0 [ 59.811497] do_syscall_64+0x1c7/0x5b0 [ 59.811501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.811512] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.811517] RIP: 0033:0x459279 [ 59.811520] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.811526] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 59.811529] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 59.811533] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.811536] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 59.811539] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 59.819680] CPU: 1 PID: 6907 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 59.854464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.872227] Call Trace: [ 59.872241] dump_stack+0xf7/0x13b [ 59.872252] should_fail.cold.3+0x105/0x14b [ 59.947043] should_failslab+0xba/0xf0 [ 59.951045] __kmalloc+0x2e8/0x7b0 [ 59.954571] ? __list_lru_init+0x69/0x5f0 [ 59.958805] __list_lru_init+0x69/0x5f0 [ 59.962766] sget_userns+0x3e0/0xb40 [ 59.966478] ? set_anon_super+0x10/0x10 [ 59.970531] ? get_empty_filp.cold.4+0x3a/0x3a [ 59.975095] ? nfsd_mount+0xf0/0xf0 [ 59.978706] mount_ns+0x5d/0x170 [ 59.982063] nfsd_mount+0x93/0xf0 [ 59.985504] ? lockdep_init_map+0x9/0x10 [ 59.989549] mount_fs+0x7f/0x269 [ 59.992903] ? alloc_vfsmnt+0x470/0x750 [ 59.996872] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.001451] do_mount+0x36b/0x26a0 [ 60.004983] ? __might_fault+0xf1/0x1b0 [ 60.006485] FAULT_INJECTION: forcing a failure. [ 60.006485] name failslab, interval 1, probability 0, space 0, times 0 [ 60.008974] ? copy_mount_string+0x20/0x20 [ 60.008985] ? kasan_check_write+0x14/0x20 [ 60.008993] ? _copy_from_user+0x9c/0xd0 [ 60.032653] ? memdup_user+0x4a/0x80 [ 60.036362] SyS_mount+0xb8/0xd0 [ 60.039712] ? copy_mnt_ns+0xae0/0xae0 [ 60.043591] do_syscall_64+0x1c7/0x5b0 [ 60.047457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.052283] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.057475] RIP: 0033:0x459279 [ 60.060651] RSP: 002b:00007fdf0ffa7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.068347] RAX: ffffffffffffffda RBX: 00007fdf0ffa7c90 RCX: 0000000000459279 [ 60.075600] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.082859] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.090119] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf0ffa86d4 [ 60.097369] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.104637] CPU: 0 PID: 6908 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 60.112452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.121829] Call Trace: [ 60.121841] dump_stack+0xf7/0x13b [ 60.121851] should_fail.cold.3+0x105/0x14b [ 60.121860] should_failslab+0xba/0xf0 [ 60.121868] __kmalloc+0x2e8/0x7b0 [ 60.132290] ? __list_lru_init+0x69/0x5f0 [ 60.141402] FAULT_INJECTION: forcing a failure. [ 60.141402] name failslab, interval 1, probability 0, space 0, times 0 [ 60.143847] __list_lru_init+0x69/0x5f0 [ 60.143858] sget_userns+0x3e0/0xb40 [ 60.143862] ? set_anon_super+0x10/0x10 [ 60.143870] ? get_empty_filp.cold.4+0x3a/0x3a [ 60.143877] ? nfsd_mount+0xf0/0xf0 [ 60.143883] mount_ns+0x5d/0x170 [ 60.143890] nfsd_mount+0x93/0xf0 [ 60.143896] ? lockdep_init_map+0x9/0x10 [ 60.143902] mount_fs+0x7f/0x269 [ 60.162742] ? alloc_vfsmnt+0x470/0x750 [ 60.162750] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.162758] do_mount+0x36b/0x26a0 [ 60.162766] ? __might_fault+0xf1/0x1b0 [ 60.162774] ? copy_mount_string+0x20/0x20 [ 60.162785] ? kasan_check_write+0x14/0x20 [ 60.162792] ? _copy_from_user+0x9c/0xd0 [ 60.162800] ? memdup_user+0x4a/0x80 [ 60.162809] SyS_mount+0xb8/0xd0 [ 60.162816] ? copy_mnt_ns+0xae0/0xae0 [ 60.162822] do_syscall_64+0x1c7/0x5b0 [ 60.162826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.162837] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.162843] RIP: 0033:0x459279 [ 60.172067] FAULT_INJECTION: forcing a failure. [ 60.172067] name failslab, interval 1, probability 0, space 0, times 0 [ 60.174997] RSP: 002b:00007ffb9b82dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.175004] RAX: ffffffffffffffda RBX: 00007ffb9b82dc90 RCX: 0000000000459279 [ 60.175007] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.175010] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.175013] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b82e6d4 [ 60.175017] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.180778] CPU: 0 PID: 6915 Comm: syz-executor.5 Not tainted 4.14.164-syzkaller #0 [ 60.186019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.186023] Call Trace: [ 60.186035] dump_stack+0xf7/0x13b [ 60.186046] should_fail.cold.3+0x105/0x14b [ 60.186056] should_failslab+0xba/0xf0 [ 60.186064] __kmalloc+0x2e8/0x7b0 [ 60.186074] ? __list_lru_init+0x69/0x5f0 [ 60.186082] __list_lru_init+0x69/0x5f0 [ 60.186091] sget_userns+0x3e0/0xb40 [ 60.348058] ? set_anon_super+0x10/0x10 [ 60.352018] ? get_empty_filp.cold.4+0x3a/0x3a [ 60.356583] ? nfsd_mount+0xf0/0xf0 [ 60.360202] mount_ns+0x5d/0x170 [ 60.363564] nfsd_mount+0x93/0xf0 [ 60.367002] ? lockdep_init_map+0x9/0x10 [ 60.371048] mount_fs+0x7f/0x269 [ 60.374408] ? alloc_vfsmnt+0x470/0x750 [ 60.378363] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.382930] do_mount+0x36b/0x26a0 [ 60.386454] ? __might_fault+0xf1/0x1b0 [ 60.390408] ? copy_mount_string+0x20/0x20 [ 60.394628] ? kasan_check_write+0x14/0x20 [ 60.398843] ? _copy_from_user+0x9c/0xd0 [ 60.402903] ? memdup_user+0x4a/0x80 [ 60.406599] SyS_mount+0xb8/0xd0 [ 60.409962] ? copy_mnt_ns+0xae0/0xae0 [ 60.413929] do_syscall_64+0x1c7/0x5b0 [ 60.417799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.422632] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.427848] RIP: 0033:0x459279 [ 60.431020] RSP: 002b:00007f202d33dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.438710] RAX: ffffffffffffffda RBX: 00007f202d33dc90 RCX: 0000000000459279 [ 60.445967] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.453332] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.460590] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f202d33e6d4 [ 60.467845] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.475112] CPU: 1 PID: 6918 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 60.483001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.492354] Call Trace: [ 60.494949] dump_stack+0xf7/0x13b [ 60.498493] should_fail.cold.3+0x105/0x14b [ 60.502917] should_failslab+0xba/0xf0 [ 60.506810] __kmalloc+0x2e8/0x7b0 [ 60.510356] ? __list_lru_init+0x69/0x5f0 [ 60.514501] __list_lru_init+0x69/0x5f0 [ 60.518459] sget_userns+0x3e0/0xb40 [ 60.522157] ? set_anon_super+0x10/0x10 [ 60.526120] ? get_empty_filp.cold.4+0x3a/0x3a [ 60.530689] ? nfsd_mount+0xf0/0xf0 [ 60.534300] mount_ns+0x5d/0x170 [ 60.537648] nfsd_mount+0x93/0xf0 [ 60.541087] ? lockdep_init_map+0x9/0x10 [ 60.545142] mount_fs+0x7f/0x269 [ 60.548490] ? alloc_vfsmnt+0x470/0x750 [ 60.552449] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.557017] do_mount+0x36b/0x26a0 [ 60.560546] ? __might_fault+0xf1/0x1b0 [ 60.564508] ? copy_mount_string+0x20/0x20 [ 60.568726] ? kasan_check_write+0x14/0x20 [ 60.572947] ? _copy_from_user+0x9c/0xd0 [ 60.577027] ? memdup_user+0x4a/0x80 [ 60.580741] SyS_mount+0xb8/0xd0 [ 60.584108] ? copy_mnt_ns+0xae0/0xae0 [ 60.587986] do_syscall_64+0x1c7/0x5b0 [ 60.591865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.596694] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.601887] RIP: 0033:0x459279 [ 60.605079] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.612774] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 60.620044] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.627298] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.634566] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 60.641818] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.649086] CPU: 0 PID: 6919 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 60.656888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.666239] Call Trace: [ 60.668830] dump_stack+0xf7/0x13b [ 60.672373] should_fail.cold.3+0x105/0x14b [ 60.676695] should_failslab+0xba/0xf0 [ 60.681142] __kmalloc+0x2e8/0x7b0 [ 60.684688] ? __list_lru_init+0x69/0x5f0 [ 60.686958] FAULT_INJECTION: forcing a failure. [ 60.686958] name failslab, interval 1, probability 0, space 0, times 0 [ 60.688841] __list_lru_init+0x69/0x5f0 [ 60.688851] sget_userns+0x3e0/0xb40 [ 60.688856] ? set_anon_super+0x10/0x10 [ 60.688863] ? get_empty_filp.cold.4+0x3a/0x3a [ 60.688871] ? nfsd_mount+0xf0/0xf0 [ 60.688876] mount_ns+0x5d/0x170 [ 60.688884] nfsd_mount+0x93/0xf0 [ 60.688890] ? lockdep_init_map+0x9/0x10 [ 60.688896] mount_fs+0x7f/0x269 [ 60.700961] FAULT_INJECTION: forcing a failure. [ 60.700961] name failslab, interval 1, probability 0, space 0, times 0 [ 60.704065] ? alloc_vfsmnt+0x470/0x750 [ 60.704073] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.704082] do_mount+0x36b/0x26a0 [ 60.704088] ? __might_fault+0xf1/0x1b0 [ 60.704097] ? copy_mount_string+0x20/0x20 [ 60.704108] ? kasan_check_write+0x14/0x20 [ 60.704114] ? _copy_from_user+0x9c/0xd0 [ 60.704121] ? memdup_user+0x4a/0x80 [ 60.704129] SyS_mount+0xb8/0xd0 [ 60.710477] FAULT_INJECTION: forcing a failure. [ 60.710477] name failslab, interval 1, probability 0, space 0, times 0 [ 60.711823] ? copy_mnt_ns+0xae0/0xae0 [ 60.711831] do_syscall_64+0x1c7/0x5b0 [ 60.711835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.711847] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.711853] RIP: 0033:0x459279 [ 60.711856] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.711863] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 60.711866] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.711869] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.711872] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 60.711875] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.720339] CPU: 1 PID: 6927 Comm: syz-executor.5 Not tainted 4.14.164-syzkaller #0 [ 60.726905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.735166] FAULT_INJECTION: forcing a failure. [ 60.735166] name failslab, interval 1, probability 0, space 0, times 0 [ 60.745496] Call Trace: [ 60.745507] dump_stack+0xf7/0x13b [ 60.745518] should_fail.cold.3+0x105/0x14b [ 60.745527] should_failslab+0xba/0xf0 [ 60.745533] __kmalloc+0x2e8/0x7b0 [ 60.745542] ? __list_lru_init+0x69/0x5f0 [ 60.745549] __list_lru_init+0x69/0x5f0 [ 60.745558] sget_userns+0x3e0/0xb40 [ 60.745562] ? set_anon_super+0x10/0x10 [ 60.745567] ? get_empty_filp.cold.4+0x3a/0x3a [ 60.745573] ? nfsd_mount+0xf0/0xf0 [ 60.745577] mount_ns+0x5d/0x170 [ 60.745583] nfsd_mount+0x93/0xf0 [ 60.745589] ? lockdep_init_map+0x9/0x10 [ 60.754133] mount_fs+0x7f/0x269 [ 60.761625] ? alloc_vfsmnt+0x470/0x750 [ 60.761632] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.761639] do_mount+0x36b/0x26a0 [ 60.761647] ? __might_fault+0xf1/0x1b0 [ 60.761654] ? copy_mount_string+0x20/0x20 [ 60.761664] ? kasan_check_write+0x14/0x20 [ 60.761670] ? _copy_from_user+0x9c/0xd0 [ 60.761678] ? memdup_user+0x4a/0x80 [ 60.761687] SyS_mount+0xb8/0xd0 [ 60.761692] ? copy_mnt_ns+0xae0/0xae0 [ 60.761699] do_syscall_64+0x1c7/0x5b0 [ 60.781227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.781239] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.781244] RIP: 0033:0x459279 [ 60.781247] RSP: 002b:00007f202d33dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.781254] RAX: ffffffffffffffda RBX: 00007f202d33dc90 RCX: 0000000000459279 [ 60.781257] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.781259] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.781262] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f202d33e6d4 [ 60.781265] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.786730] CPU: 1 PID: 6929 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 60.794560] FAULT_INJECTION: forcing a failure. [ 60.794560] name failslab, interval 1, probability 0, space 0, times 0 [ 60.796407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.796410] Call Trace: [ 60.796422] dump_stack+0xf7/0x13b [ 60.796434] should_fail.cold.3+0x105/0x14b [ 60.821217] should_failslab+0xba/0xf0 [ 60.821225] __kmalloc+0x2e8/0x7b0 [ 60.821234] ? __list_lru_init+0x69/0x5f0 [ 60.821241] __list_lru_init+0x69/0x5f0 [ 60.821249] sget_userns+0x3c5/0xb40 [ 60.821253] ? set_anon_super+0x10/0x10 [ 60.821259] ? get_empty_filp.cold.4+0x3a/0x3a [ 60.821266] ? nfsd_mount+0xf0/0xf0 [ 60.850301] mount_ns+0x5d/0x170 [ 60.850312] nfsd_mount+0x93/0xf0 [ 60.850319] ? lockdep_init_map+0x9/0x10 [ 60.850323] mount_fs+0x7f/0x269 [ 60.850329] ? alloc_vfsmnt+0x470/0x750 [ 60.850336] vfs_kern_mount.part.33+0x58/0x3c0 [ 60.850344] do_mount+0x36b/0x26a0 [ 60.850352] ? __might_fault+0xf1/0x1b0 [ 60.850359] ? copy_mount_string+0x20/0x20 [ 60.850368] ? kasan_check_write+0x14/0x20 [ 60.850373] ? _copy_from_user+0x9c/0xd0 [ 60.850380] ? memdup_user+0x4a/0x80 [ 60.850388] SyS_mount+0xb8/0xd0 [ 60.850397] ? copy_mnt_ns+0xae0/0xae0 [ 60.850403] do_syscall_64+0x1c7/0x5b0 [ 60.850407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.850418] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.850424] RIP: 0033:0x459279 [ 60.865494] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 [ 60.896373] ORIG_RAX: 00000000000000a5 [ 60.896377] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 60.896380] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 60.896384] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.896387] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 60.896390] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 60.906607] CPU: 1 PID: 6928 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 60.924136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.924139] Call Trace: [ 60.924150] dump_stack+0xf7/0x13b [ 60.924161] should_fail.cold.3+0x105/0x14b [ 60.924171] should_failslab+0xba/0xf0 [ 60.924178] __kmalloc+0x2e8/0x7b0 [ 60.924187] ? __list_lru_init+0x69/0x5f0 [ 60.924195] __list_lru_init+0x69/0x5f0 [ 60.924204] sget_userns+0x3e0/0xb40 [ 61.277266] ? set_anon_super+0x10/0x10 [ 61.281224] ? get_empty_filp.cold.4+0x3a/0x3a [ 61.285790] ? nfsd_mount+0xf0/0xf0 [ 61.289396] mount_ns+0x5d/0x170 [ 61.292746] nfsd_mount+0x93/0xf0 [ 61.296183] ? lockdep_init_map+0x9/0x10 [ 61.300224] mount_fs+0x7f/0x269 [ 61.303654] ? alloc_vfsmnt+0x470/0x750 [ 61.307609] vfs_kern_mount.part.33+0x58/0x3c0 [ 61.312186] do_mount+0x36b/0x26a0 [ 61.315795] ? __might_fault+0xf1/0x1b0 [ 61.319750] ? copy_mount_string+0x20/0x20 [ 61.323971] ? kasan_check_write+0x14/0x20 [ 61.328190] ? _copy_from_user+0x9c/0xd0 [ 61.332233] ? memdup_user+0x4a/0x80 [ 61.335934] SyS_mount+0xb8/0xd0 [ 61.339285] ? copy_mnt_ns+0xae0/0xae0 [ 61.343150] do_syscall_64+0x1c7/0x5b0 [ 61.347018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.351857] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.357025] RIP: 0033:0x459279 [ 61.360197] RSP: 002b:00007ffb9b82dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.367890] RAX: ffffffffffffffda RBX: 00007ffb9b82dc90 RCX: 0000000000459279 [ 61.375322] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 61.382595] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 61.389845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b82e6d4 [ 61.397095] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 61.404474] CPU: 0 PID: 6931 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 61.412277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.421628] Call Trace: [ 61.424211] dump_stack+0xf7/0x13b [ 61.442691] should_fail.cold.3+0x105/0x14b [ 61.442701] should_failslab+0xba/0xf0 [ 61.442708] __kmalloc+0x2e8/0x7b0 [ 61.442718] ? __list_lru_init+0x69/0x5f0 [ 61.442726] __list_lru_init+0x69/0x5f0 [ 61.442734] sget_userns+0x3e0/0xb40 [ 61.442738] ? set_anon_super+0x10/0x10 [ 61.442743] ? get_empty_filp.cold.4+0x3a/0x3a [ 61.442751] ? nfsd_mount+0xf0/0xf0 [ 61.442755] mount_ns+0x5d/0x170 [ 61.442762] nfsd_mount+0x93/0xf0 [ 61.442774] ? lockdep_init_map+0x9/0x10 [ 61.451423] FAULT_INJECTION: forcing a failure. [ 61.451423] name failslab, interval 1, probability 0, space 0, times 0 [ 61.454611] mount_fs+0x7f/0x269 [ 61.454618] ? alloc_vfsmnt+0x470/0x750 [ 61.454626] vfs_kern_mount.part.33+0x58/0x3c0 [ 61.454635] do_mount+0x36b/0x26a0 [ 61.454643] ? __might_fault+0xf1/0x1b0 [ 61.454651] ? copy_mount_string+0x20/0x20 [ 61.454661] ? kasan_check_write+0x14/0x20 [ 61.454668] ? _copy_from_user+0x9c/0xd0 [ 61.462762] ? memdup_user+0x4a/0x80 [ 61.462771] SyS_mount+0xb8/0xd0 [ 61.462777] ? copy_mnt_ns+0xae0/0xae0 [ 61.462784] do_syscall_64+0x1c7/0x5b0 [ 61.462788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.462800] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.462805] RIP: 0033:0x459279 [ 61.462808] RSP: 002b:00007fdf0ffa7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.462815] RAX: ffffffffffffffda RBX: 00007fdf0ffa7c90 RCX: 0000000000459279 [ 61.462818] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 61.462822] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 61.462825] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf0ffa86d4 [ 61.462827] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 61.466980] CPU: 0 PID: 6932 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 61.501712] FAULT_INJECTION: forcing a failure. [ 61.501712] name failslab, interval 1, probability 0, space 0, times 0 [ 61.510922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.510926] Call Trace: [ 61.510938] dump_stack+0xf7/0x13b [ 61.510950] should_fail.cold.3+0x105/0x14b [ 61.510959] should_failslab+0xba/0xf0 [ 61.510967] __kmalloc+0x2e8/0x7b0 [ 61.510977] ? __list_lru_init+0x69/0x5f0 [ 61.510983] __list_lru_init+0x69/0x5f0 [ 61.510991] sget_userns+0x3e0/0xb40 [ 61.510995] ? set_anon_super+0x10/0x10 [ 61.511001] ? get_empty_filp.cold.4+0x3a/0x3a [ 61.511007] ? nfsd_mount+0xf0/0xf0 [ 61.516061] FAULT_INJECTION: forcing a failure. [ 61.516061] name failslab, interval 1, probability 0, space 0, times 0 [ 61.519560] mount_ns+0x5d/0x170 [ 61.519570] nfsd_mount+0x93/0xf0 [ 61.519577] ? lockdep_init_map+0x9/0x10 [ 61.519583] mount_fs+0x7f/0x269 [ 61.519589] ? alloc_vfsmnt+0x470/0x750 [ 61.519597] vfs_kern_mount.part.33+0x58/0x3c0 [ 61.519606] do_mount+0x36b/0x26a0 [ 61.519613] ? __might_fault+0xf1/0x1b0 [ 61.519621] ? copy_mount_string+0x20/0x20 [ 61.535889] ? kasan_check_write+0x14/0x20 [ 61.535896] ? _copy_from_user+0x9c/0xd0 [ 61.535904] ? memdup_user+0x4a/0x80 [ 61.535915] SyS_mount+0xb8/0xd0 [ 61.535921] ? copy_mnt_ns+0xae0/0xae0 [ 61.535928] do_syscall_64+0x1c7/0x5b0 [ 61.535933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.535943] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.535948] RIP: 0033:0x459279 [ 61.535952] RSP: 002b:00007f55620a3c78 EFLAGS: 00000246 [ 61.569048] ORIG_RAX: 00000000000000a5 [ 61.569052] RAX: ffffffffffffffda RBX: 00007f55620a3c90 RCX: 0000000000459279 [ 61.569055] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 61.569058] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 61.569061] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620a46d4 [ 61.569063] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000003 [ 61.588919] FAULT_INJECTION: forcing a failure. [ 61.588919] name failslab, interval 1, probability 0, space 0, times 0 [ 61.595775] CPU: 1 PID: 6940 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 61.845743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.855080] Call Trace: [ 61.857657] dump_stack+0xf7/0x13b [ 61.861188] should_fail.cold.3+0x105/0x14b [ 61.865507] should_failslab+0xba/0xf0 [ 61.869389] __kmalloc+0x2e8/0x7b0 [ 61.872923] ? __list_lru_init+0x69/0x5f0 [ 61.877074] __list_lru_init+0x69/0x5f0 [ 61.881047] sget_userns+0x3e0/0xb40 [ 61.884748] ? set_anon_super+0x10/0x10 [ 61.888704] ? get_empty_filp.cold.4+0x3a/0x3a [ 61.893268] ? nfsd_mount+0xf0/0xf0 [ 61.896876] mount_ns+0x5d/0x170 [ 61.900233] nfsd_mount+0x93/0xf0 [ 61.903672] ? lockdep_init_map+0x9/0x10 [ 61.907717] mount_fs+0x7f/0x269 [ 61.911096] ? alloc_vfsmnt+0x470/0x750 [ 61.915068] vfs_kern_mount.part.33+0x58/0x3c0 [ 61.919645] do_mount+0x36b/0x26a0 [ 61.923181] ? __might_fault+0xf1/0x1b0 [ 61.927151] ? copy_mount_string+0x20/0x20 [ 61.931369] ? kasan_check_write+0x14/0x20 [ 61.935585] ? _copy_from_user+0x9c/0xd0 [ 61.939630] ? memdup_user+0x4a/0x80 [ 61.943430] SyS_mount+0xb8/0xd0 [ 61.946787] ? copy_mnt_ns+0xae0/0xae0 [ 61.950667] do_syscall_64+0x1c7/0x5b0 [ 61.954534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.959362] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.964542] RIP: 0033:0x459279 [ 61.967711] RSP: 002b:00007ffb9b82dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.975396] RAX: ffffffffffffffda RBX: 00007ffb9b82dc90 RCX: 0000000000459279 [ 61.982654] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 61.989923] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 61.997200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b82e6d4 [ 62.004460] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 62.011734] CPU: 0 PID: 6947 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 62.019535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.028885] Call Trace: [ 62.031475] dump_stack+0xf7/0x13b [ 62.032130] FAULT_INJECTION: forcing a failure. [ 62.032130] name failslab, interval 1, probability 0, space 0, times 0 [ 62.035014] should_fail.cold.3+0x105/0x14b [ 62.035025] should_failslab+0xba/0xf0 [ 62.035033] __kmalloc+0x2e8/0x7b0 [ 62.035043] ? __list_lru_init+0x69/0x5f0 [ 62.057895] __list_lru_init+0x69/0x5f0 [ 62.057905] sget_userns+0x3c5/0xb40 [ 62.057909] ? set_anon_super+0x10/0x10 [ 62.057917] ? get_empty_filp.cold.4+0x3a/0x3a [ 62.057923] ? nfsd_mount+0xf0/0xf0 [ 62.057928] mount_ns+0x5d/0x170 [ 62.073653] nfsd_mount+0x93/0xf0 [ 62.073660] ? lockdep_init_map+0x9/0x10 [ 62.073666] mount_fs+0x7f/0x269 [ 62.073673] ? alloc_vfsmnt+0x470/0x750 [ 62.073681] vfs_kern_mount.part.33+0x58/0x3c0 [ 62.073689] do_mount+0x36b/0x26a0 [ 62.073695] ? __might_fault+0xf1/0x1b0 [ 62.073702] ? copy_mount_string+0x20/0x20 [ 62.083229] FAULT_INJECTION: forcing a failure. [ 62.083229] name failslab, interval 1, probability 0, space 0, times 0 [ 62.085222] ? kasan_check_write+0x14/0x20 [ 62.085230] ? _copy_from_user+0x9c/0xd0 [ 62.085238] ? memdup_user+0x4a/0x80 [ 62.085249] SyS_mount+0xb8/0xd0 [ 62.085255] ? copy_mnt_ns+0xae0/0xae0 [ 62.100117] do_syscall_64+0x1c7/0x5b0 [ 62.100122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.100133] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.100139] RIP: 0033:0x459279 [ 62.100142] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.100149] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 62.100152] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 62.100154] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.100157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 62.100160] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 62.106208] CPU: 0 PID: 6945 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 62.116445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.116448] Call Trace: [ 62.116458] dump_stack+0xf7/0x13b [ 62.116470] should_fail.cold.3+0x105/0x14b [ 62.116480] should_failslab+0xba/0xf0 [ 62.116489] __kmalloc+0x2e8/0x7b0 [ 62.160630] ? __list_lru_init+0x69/0x5f0 [ 62.160640] __list_lru_init+0x69/0x5f0 [ 62.160650] sget_userns+0x3e0/0xb40 [ 62.160654] ? set_anon_super+0x10/0x10 [ 62.160661] ? get_empty_filp.cold.4+0x3a/0x3a [ 62.160668] ? nfsd_mount+0xf0/0xf0 [ 62.160673] mount_ns+0x5d/0x170 [ 62.160680] nfsd_mount+0x93/0xf0 [ 62.160686] ? lockdep_init_map+0x9/0x10 [ 62.160691] mount_fs+0x7f/0x269 [ 62.171559] ? alloc_vfsmnt+0x470/0x750 [ 62.171567] vfs_kern_mount.part.33+0x58/0x3c0 [ 62.171576] do_mount+0x36b/0x26a0 [ 62.171582] ? __might_fault+0xf1/0x1b0 [ 62.171591] ? copy_mount_string+0x20/0x20 [ 62.171602] ? kasan_check_write+0x14/0x20 [ 62.171607] ? _copy_from_user+0x9c/0xd0 [ 62.171614] ? memdup_user+0x4a/0x80 [ 62.171622] SyS_mount+0xb8/0xd0 [ 62.186130] ? copy_mnt_ns+0xae0/0xae0 [ 62.215651] do_syscall_64+0x1c7/0x5b0 [ 62.215657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.215668] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.215673] RIP: 0033:0x459279 [ 62.215676] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.215683] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 62.215687] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 62.215690] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.215693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 62.215695] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 62.220590] CPU: 0 PID: 6944 Comm: syz-executor.5 Not tainted 4.14.164-syzkaller #0 [ 62.389513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.398849] Call Trace: [ 62.401425] dump_stack+0xf7/0x13b [ 62.404981] should_fail.cold.3+0x105/0x14b [ 62.409290] should_failslab+0xba/0xf0 [ 62.413162] __kmalloc+0x2e8/0x7b0 [ 62.416705] ? __list_lru_init+0x69/0x5f0 [ 62.420838] __list_lru_init+0x69/0x5f0 [ 62.424798] sget_userns+0x3e0/0xb40 [ 62.428493] ? set_anon_super+0x10/0x10 [ 62.432446] ? get_empty_filp.cold.4+0x3a/0x3a [ 62.437113] ? nfsd_mount+0xf0/0xf0 [ 62.440722] mount_ns+0x5d/0x170 [ 62.444066] nfsd_mount+0x93/0xf0 [ 62.447499] ? lockdep_init_map+0x9/0x10 [ 62.451538] mount_fs+0x7f/0x269 [ 62.454883] ? alloc_vfsmnt+0x470/0x750 [ 62.458835] vfs_kern_mount.part.33+0x58/0x3c0 [ 62.463417] do_mount+0x36b/0x26a0 [ 62.466961] ? __might_fault+0xf1/0x1b0 [ 62.470923] ? copy_mount_string+0x20/0x20 [ 62.475164] ? kasan_check_write+0x14/0x20 [ 62.479380] ? _copy_from_user+0x9c/0xd0 [ 62.483512] ? memdup_user+0x4a/0x80 [ 62.487221] SyS_mount+0xb8/0xd0 [ 62.490574] ? copy_mnt_ns+0xae0/0xae0 [ 62.494442] do_syscall_64+0x1c7/0x5b0 [ 62.498325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.503157] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.508326] RIP: 0033:0x459279 [ 62.511495] RSP: 002b:00007f202d33dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.519186] RAX: ffffffffffffffda RBX: 00007f202d33dc90 RCX: 0000000000459279 [ 62.526437] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 62.533690] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.540942] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f202d33e6d4 [ 62.548191] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 62.555460] CPU: 1 PID: 6951 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 62.563260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.572631] Call Trace: [ 62.575222] dump_stack+0xf7/0x13b [ 62.578765] should_fail.cold.3+0x105/0x14b [ 62.583089] should_failslab+0xba/0xf0 [ 62.586492] FAULT_INJECTION: forcing a failure. [ 62.586492] name failslab, interval 1, probability 0, space 0, times 0 [ 62.586994] __kmalloc+0x2e8/0x7b0 [ 62.587004] ? __list_lru_init+0x69/0x5f0 [ 62.587013] __list_lru_init+0x69/0x5f0 [ 62.587023] sget_userns+0x3e0/0xb40 [ 62.599867] FAULT_INJECTION: forcing a failure. [ 62.599867] name failslab, interval 1, probability 0, space 0, times 0 [ 62.601713] ? set_anon_super+0x10/0x10 [ 62.601720] ? get_empty_filp.cold.4+0x3a/0x3a [ 62.601728] ? nfsd_mount+0xf0/0xf0 [ 62.601732] mount_ns+0x5d/0x170 [ 62.601740] nfsd_mount+0x93/0xf0 [ 62.601747] ? lockdep_init_map+0x9/0x10 [ 62.601752] mount_fs+0x7f/0x269 [ 62.601759] ? alloc_vfsmnt+0x470/0x750 [ 62.601766] vfs_kern_mount.part.33+0x58/0x3c0 [ 62.601774] do_mount+0x36b/0x26a0 [ 62.663017] ? __might_fault+0xf1/0x1b0 [ 62.669670] ? copy_mount_string+0x20/0x20 [ 62.673897] ? kasan_check_write+0x14/0x20 [ 62.678121] ? _copy_from_user+0x9c/0xd0 [ 62.682175] ? memdup_user+0x4a/0x80 [ 62.685879] SyS_mount+0xb8/0xd0 [ 62.689241] ? copy_mnt_ns+0xae0/0xae0 [ 62.693123] do_syscall_64+0x1c7/0x5b0 [ 62.697002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.701834] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.707012] RIP: 0033:0x459279 [ 62.710186] RSP: 002b:00007f55620c4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.717891] RAX: ffffffffffffffda RBX: 00007f55620c4c90 RCX: 0000000000459279 [ 62.725150] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 62.732405] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.739659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620c56d4 [ 62.746913] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 62.755138] CPU: 0 PID: 6960 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 62.762936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.773234] Call Trace: [ 62.775816] dump_stack+0xf7/0x13b [ 62.779341] should_fail.cold.3+0x105/0x14b [ 62.783647] should_failslab+0xba/0xf0 [ 62.787515] __kmalloc+0x2e8/0x7b0 [ 62.791040] ? __list_lru_init+0x69/0x5f0 [ 62.795779] __list_lru_init+0x69/0x5f0 [ 62.799736] sget_userns+0x3e0/0xb40 [ 62.803430] ? set_anon_super+0x10/0x10 [ 62.807385] ? get_empty_filp.cold.4+0x3a/0x3a [ 62.811947] ? nfsd_mount+0xf0/0xf0 [ 62.815642] mount_ns+0x5d/0x170 [ 62.818993] nfsd_mount+0x93/0xf0 [ 62.822440] ? lockdep_init_map+0x9/0x10 [ 62.826482] mount_fs+0x7f/0x269 [ 62.829830] ? alloc_vfsmnt+0x470/0x750 [ 62.833790] vfs_kern_mount.part.33+0x58/0x3c0 [ 62.838360] do_mount+0x36b/0x26a0 [ 62.841903] ? __might_fault+0xf1/0x1b0 [ 62.845857] ? copy_mount_string+0x20/0x20 [ 62.850076] ? kasan_check_write+0x14/0x20 [ 62.854294] ? _copy_from_user+0x9c/0xd0 [ 62.858334] ? memdup_user+0x4a/0x80 [ 62.862034] SyS_mount+0xb8/0xd0 [ 62.865382] ? copy_mnt_ns+0xae0/0xae0 [ 62.869249] do_syscall_64+0x1c7/0x5b0 [ 62.873115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.877943] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.883112] RIP: 0033:0x459279 [ 62.886281] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.893968] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 62.901224] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 62.908483] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.915738] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 62.922988] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 62.930257] CPU: 1 PID: 6952 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 62.938059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.947420] Call Trace: [ 62.949997] dump_stack+0xf7/0x13b [ 62.953524] should_fail.cold.3+0x105/0x14b [ 62.957829] should_failslab+0xba/0xf0 [ 62.961695] __kmalloc+0x2e8/0x7b0 [ 62.965216] ? __list_lru_init+0x69/0x5f0 [ 62.969342] __list_lru_init+0x69/0x5f0 [ 62.973299] sget_userns+0x3e0/0xb40 [ 62.976992] ? set_anon_super+0x10/0x10 [ 62.980947] ? get_empty_filp.cold.4+0x3a/0x3a [ 62.985555] ? nfsd_mount+0xf0/0xf0 [ 62.989176] mount_ns+0x5d/0x170 [ 62.992537] nfsd_mount+0x93/0xf0 [ 62.995977] ? lockdep_init_map+0x9/0x10 [ 63.000028] mount_fs+0x7f/0x269 [ 63.003378] ? alloc_vfsmnt+0x470/0x750 [ 63.007337] vfs_kern_mount.part.33+0x58/0x3c0 [ 63.011905] do_mount+0x36b/0x26a0 [ 63.015450] ? __might_fault+0xf1/0x1b0 [ 63.019424] ? copy_mount_string+0x20/0x20 [ 63.023642] ? kasan_check_write+0x14/0x20 [ 63.027859] ? _copy_from_user+0x9c/0xd0 [ 63.031917] ? memdup_user+0x4a/0x80 [ 63.035614] SyS_mount+0xb8/0xd0 [ 63.038960] ? copy_mnt_ns+0xae0/0xae0 [ 63.042830] do_syscall_64+0x1c7/0x5b0 [ 63.046697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.051522] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.056697] RIP: 0033:0x459279 [ 63.059874] RSP: 002b:00007fdf0ff86c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.067560] RAX: ffffffffffffffda RBX: 00007fdf0ff86c90 RCX: 0000000000459279 [ 63.074931] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 63.082195] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 63.089472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf0ff876d4 [ 63.096725] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000003 [ 63.103989] CPU: 0 PID: 6961 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 63.111784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.111788] Call Trace: [ 63.111800] dump_stack+0xf7/0x13b [ 63.111811] should_fail.cold.3+0x105/0x14b [ 63.111819] should_failslab+0xba/0xf0 [ 63.123733] __kmalloc+0x2e8/0x7b0 [ 63.123744] ? __list_lru_init+0x69/0x5f0 [ 63.123753] __list_lru_init+0x69/0x5f0 [ 63.131582] sget_userns+0x3e0/0xb40 [ 63.131594] ? set_anon_super+0x10/0x10 [ 63.138992] ? get_empty_filp.cold.4+0x3a/0x3a [ 63.139000] ? nfsd_mount+0xf0/0xf0 [ 63.139006] mount_ns+0x5d/0x170 [ 63.166376] nfsd_mount+0x93/0xf0 [ 63.169807] ? lockdep_init_map+0x9/0x10 [ 63.173845] mount_fs+0x7f/0x269 [ 63.177187] ? alloc_vfsmnt+0x470/0x750 [ 63.181139] vfs_kern_mount.part.33+0x58/0x3c0 [ 63.185700] do_mount+0x36b/0x26a0 [ 63.189216] ? __might_fault+0xf1/0x1b0 [ 63.193281] ? copy_mount_string+0x20/0x20 [ 63.197492] ? kasan_check_write+0x14/0x20 [ 63.201707] ? _copy_from_user+0x9c/0xd0 [ 63.205781] ? memdup_user+0x4a/0x80 [ 63.209474] SyS_mount+0xb8/0xd0 [ 63.212819] ? copy_mnt_ns+0xae0/0xae0 [ 63.216685] do_syscall_64+0x1c7/0x5b0 [ 63.220546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.225370] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.230670] RIP: 0033:0x459279 [ 63.233837] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.241536] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 63.248798] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 63.256043] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.263291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 63.270551] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 63.306932] FAULT_INJECTION: forcing a failure. [ 63.306932] name failslab, interval 1, probability 0, space 0, times 0 [ 63.321554] FAULT_INJECTION: forcing a failure. [ 63.321554] name failslab, interval 1, probability 0, space 0, times 0 [ 63.336346] FAULT_INJECTION: forcing a failure. [ 63.336346] name failslab, interval 1, probability 0, space 0, times 0 [ 63.343937] FAULT_INJECTION: forcing a failure. [ 63.343937] name failslab, interval 1, probability 0, space 0, times 0 [ 63.351443] CPU: 0 PID: 6966 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 63.366608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.375963] Call Trace: [ 63.378548] dump_stack+0xf7/0x13b [ 63.382090] should_fail.cold.3+0x105/0x14b [ 63.386405] should_failslab+0xba/0xf0 [ 63.390288] __kmalloc+0x2e8/0x7b0 [ 63.393607] FAULT_INJECTION: forcing a failure. [ 63.393607] name failslab, interval 1, probability 0, space 0, times 0 [ 63.393823] ? sget_userns+0x8c2/0xb40 [ 63.393831] ? lock_downgrade+0x7f0/0x7f0 [ 63.393839] ? register_shrinker+0xb5/0x1e0 [ 63.393847] register_shrinker+0xb5/0x1e0 [ 63.423878] sget_userns+0x8d6/0xb40 [ 63.427578] ? set_anon_super+0x10/0x10 [ 63.431538] ? get_empty_filp.cold.4+0x3a/0x3a [ 63.436109] ? nfsd_mount+0xf0/0xf0 [ 63.439719] mount_ns+0x5d/0x170 [ 63.443064] nfsd_mount+0x93/0xf0 [ 63.446502] ? lockdep_init_map+0x9/0x10 [ 63.450642] mount_fs+0x7f/0x269 [ 63.453987] ? alloc_vfsmnt+0x470/0x750 [ 63.457943] vfs_kern_mount.part.33+0x58/0x3c0 [ 63.462509] do_mount+0x36b/0x26a0 [ 63.466029] ? __might_fault+0xf1/0x1b0 [ 63.469994] ? copy_mount_string+0x20/0x20 [ 63.474216] ? kasan_check_write+0x14/0x20 [ 63.478432] ? _copy_from_user+0x9c/0xd0 [ 63.482562] ? memdup_user+0x4a/0x80 [ 63.486260] SyS_mount+0xb8/0xd0 [ 63.489605] ? copy_mnt_ns+0xae0/0xae0 [ 63.493477] do_syscall_64+0x1c7/0x5b0 [ 63.497461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.502293] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.507461] RIP: 0033:0x459279 [ 63.510632] RSP: 002b:00007fdf0ffa7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.518323] RAX: ffffffffffffffda RBX: 00007fdf0ffa7c90 RCX: 0000000000459279 [ 63.525575] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 63.532830] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.540087] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf0ffa86d4 [ 63.547460] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 63.554744] CPU: 1 PID: 6970 Comm: syz-executor.5 Not tainted 4.14.164-syzkaller #0 [ 63.562542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.571901] Call Trace: [ 63.574488] dump_stack+0xf7/0x13b [ 63.578021] should_fail.cold.3+0x105/0x14b [ 63.582332] should_failslab+0xba/0xf0 [ 63.586217] __kmalloc+0x2e8/0x7b0 [ 63.589853] ? __list_lru_init+0x69/0x5f0 [ 63.593983] __list_lru_init+0x69/0x5f0 [ 63.597939] sget_userns+0x3e0/0xb40 [ 63.601649] ? set_anon_super+0x10/0x10 [ 63.605603] ? get_empty_filp.cold.4+0x3a/0x3a [ 63.610162] ? nfsd_mount+0xf0/0xf0 [ 63.613855] mount_ns+0x5d/0x170 [ 63.617200] nfsd_mount+0x93/0xf0 [ 63.620632] ? lockdep_init_map+0x9/0x10 [ 63.624671] mount_fs+0x7f/0x269 [ 63.628022] ? alloc_vfsmnt+0x470/0x750 [ 63.631978] vfs_kern_mount.part.33+0x58/0x3c0 [ 63.636540] do_mount+0x36b/0x26a0 [ 63.640063] ? __might_fault+0xf1/0x1b0 [ 63.644018] ? copy_mount_string+0x20/0x20 [ 63.648234] ? kasan_check_write+0x14/0x20 [ 63.652463] ? _copy_from_user+0x9c/0xd0 [ 63.656511] ? memdup_user+0x4a/0x80 [ 63.660212] SyS_mount+0xb8/0xd0 [ 63.663569] ? copy_mnt_ns+0xae0/0xae0 [ 63.667458] do_syscall_64+0x1c7/0x5b0 [ 63.671339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.676174] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.681350] RIP: 0033:0x459279 [ 63.684531] RSP: 002b:00007f202d33dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.692230] RAX: ffffffffffffffda RBX: 00007f202d33dc90 RCX: 0000000000459279 [ 63.699485] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 63.706740] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.713993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f202d33e6d4 [ 63.721253] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 63.728525] CPU: 0 PID: 6967 Comm: syz-executor.3 Not tainted 4.14.164-syzkaller #0 [ 63.736327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.745680] Call Trace: [ 63.748260] dump_stack+0xf7/0x13b [ 63.751782] should_fail.cold.3+0x105/0x14b [ 63.756094] should_failslab+0xba/0xf0 [ 63.759973] __kmalloc+0x2e8/0x7b0 [ 63.763513] ? sget_userns+0x8c2/0xb40 [ 63.767399] ? lock_downgrade+0x7f0/0x7f0 [ 63.771534] ? register_shrinker+0xb5/0x1e0 [ 63.775844] register_shrinker+0xb5/0x1e0 [ 63.779980] sget_userns+0x8d6/0xb40 [ 63.783689] ? set_anon_super+0x10/0x10 [ 63.787660] ? get_empty_filp.cold.4+0x3a/0x3a [ 63.792251] ? nfsd_mount+0xf0/0xf0 [ 63.795871] mount_ns+0x5d/0x170 [ 63.799222] nfsd_mount+0x93/0xf0 [ 63.802661] ? lockdep_init_map+0x9/0x10 [ 63.806708] mount_fs+0x7f/0x269 [ 63.810060] ? alloc_vfsmnt+0x470/0x750 [ 63.814036] vfs_kern_mount.part.33+0x58/0x3c0 [ 63.818615] do_mount+0x36b/0x26a0 [ 63.818624] ? __might_fault+0xf1/0x1b0 [ 63.818632] ? copy_mount_string+0x20/0x20 [ 63.818643] ? kasan_check_write+0x14/0x20 [ 63.818650] ? _copy_from_user+0x9c/0xd0 [ 63.818658] ? memdup_user+0x4a/0x80 [ 63.818667] SyS_mount+0xb8/0xd0 [ 63.818673] ? copy_mnt_ns+0xae0/0xae0 [ 63.818680] do_syscall_64+0x1c7/0x5b0 [ 63.826168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.826180] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.826186] RIP: 0033:0x459279 [ 63.826189] RSP: 002b:00007f55620c4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.826196] RAX: ffffffffffffffda RBX: 00007f55620c4c90 RCX: 0000000000459279 [ 63.826199] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 63.826202] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.826206] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f55620c56d4 [ 63.826209] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 63.835349] CPU: 0 PID: 6971 Comm: syz-executor.0 Not tainted 4.14.164-syzkaller #0 [ 63.850696] FAULT_INJECTION: forcing a failure. [ 63.850696] name failslab, interval 1, probability 0, space 0, times 0 [ 63.853638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.853642] Call Trace: [ 63.853653] dump_stack+0xf7/0x13b [ 63.853665] should_fail.cold.3+0x105/0x14b [ 63.853675] should_failslab+0xba/0xf0 [ 63.853682] __kmalloc+0x2e8/0x7b0 [ 63.853687] ? sget_userns+0x8c2/0xb40 [ 63.853695] ? lock_downgrade+0x7f0/0x7f0 [ 63.853701] ? register_shrinker+0xb5/0x1e0 [ 63.853708] register_shrinker+0xb5/0x1e0 [ 63.975490] sget_userns+0x8d6/0xb40 [ 63.979198] ? set_anon_super+0x10/0x10 [ 63.983166] ? get_empty_filp.cold.4+0x3a/0x3a [ 63.987731] ? nfsd_mount+0xf0/0xf0 [ 63.991339] mount_ns+0x5d/0x170 [ 63.994686] nfsd_mount+0x93/0xf0 [ 63.998128] ? lockdep_init_map+0x9/0x10 [ 64.002177] mount_fs+0x7f/0x269 [ 64.005522] ? alloc_vfsmnt+0x470/0x750 [ 64.009476] vfs_kern_mount.part.33+0x58/0x3c0 [ 64.014092] do_mount+0x36b/0x26a0 [ 64.017622] ? __might_fault+0xf1/0x1b0 [ 64.021587] ? copy_mount_string+0x20/0x20 [ 64.025814] ? kasan_check_write+0x14/0x20 [ 64.030041] ? _copy_from_user+0x9c/0xd0 [ 64.034089] ? memdup_user+0x4a/0x80 [ 64.037794] SyS_mount+0xb8/0xd0 [ 64.041157] ? copy_mnt_ns+0xae0/0xae0 [ 64.045028] do_syscall_64+0x1c7/0x5b0 [ 64.048894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.053721] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.058908] RIP: 0033:0x459279 [ 64.062086] RSP: 002b:00007ffb9b82dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.069790] RAX: ffffffffffffffda RBX: 00007ffb9b82dc90 RCX: 0000000000459279 [ 64.077048] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.084296] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 64.091550] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9b82e6d4 [ 64.098821] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 64.106086] CPU: 1 PID: 6978 Comm: syz-executor.2 Not tainted 4.14.164-syzkaller #0 [ 64.113885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.123231] Call Trace: [ 64.125812] dump_stack+0xf7/0x13b [ 64.129346] should_fail.cold.3+0x105/0x14b [ 64.133651] should_failslab+0xba/0xf0 [ 64.137518] __kmalloc+0x2e8/0x7b0 [ 64.141044] ? __list_lru_init+0x69/0x5f0 [ 64.145175] __list_lru_init+0x69/0x5f0 [ 64.149129] sget_userns+0x3c5/0xb40 [ 64.152821] ? set_anon_super+0x10/0x10 [ 64.156776] ? get_empty_filp.cold.4+0x3a/0x3a [ 64.161344] ? nfsd_mount+0xf0/0xf0 [ 64.164953] mount_ns+0x5d/0x170 [ 64.168297] nfsd_mount+0x93/0xf0 [ 64.171726] ? lockdep_init_map+0x9/0x10 [ 64.175781] mount_fs+0x7f/0x269 [ 64.179128] ? alloc_vfsmnt+0x470/0x750 [ 64.183088] vfs_kern_mount.part.33+0x58/0x3c0 [ 64.187658] do_mount+0x36b/0x26a0 [ 64.191177] ? __might_fault+0xf1/0x1b0 [ 64.195132] ? copy_mount_string+0x20/0x20 [ 64.199349] ? kasan_check_write+0x14/0x20 [ 64.203577] ? _copy_from_user+0x9c/0xd0 [ 64.207628] ? memdup_user+0x4a/0x80 [ 64.211328] SyS_mount+0xb8/0xd0 [ 64.214675] ? copy_mnt_ns+0xae0/0xae0 [ 64.218545] do_syscall_64+0x1c7/0x5b0 [ 64.222417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.227248] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.232418] RIP: 0033:0x459279 [ 64.235586] RSP: 002b:00007f311b652c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.243292] RAX: ffffffffffffffda RBX: 00007f311b652c90 RCX: 0000000000459279 [ 64.250554] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.257890] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 64.265138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f311b6536d4 [ 64.272386] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 64.279646] CPU: 0 PID: 6975 Comm: syz-executor.4 Not tainted 4.14.164-syzkaller #0 [ 64.287445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.292469] list_add double add: new=ffff888095ad01a0, prev=ffffffff8821fa40, next=ffff888095ad01a0. [ 64.296791] Call Trace: [ 64.296805] dump_stack+0xf7/0x13b [ 64.306149] ------------[ cut here ]------------ [ 64.308668] should_fail.cold.3+0x105/0x14b [ 64.312175] kernel BUG at lib/list_debug.c:31! [ 64.316910] should_failslab+0xba/0xf0 [ 64.321218] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 64.325771] kmem_cache_alloc+0x2cf/0x790 [ 64.329628] Modules linked in: [ 64.334967] ? lock_downgrade+0x7f0/0x7f0 [ 64.342255] ? register_shrinker+0xf1/0x1e0 [ 64.346372] CPU: 1 PID: 6764 Comm: syz-executor.1 Not tainted 4.14.164-syzkaller #0 [ 64.350668] alloc_inode+0x86/0x150 [ 64.358443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.362048] new_inode_pseudo+0xc/0xd0 [ 64.371469] task: ffff8880a58c2300 task.stack: ffff88808a028000 [ 64.375328] new_inode+0x14/0x30 [ 64.381372] RIP: 0010:__list_add_valid+0xaa/0xb0 [ 64.384711] simple_fill_super+0xf3/0x630 [ 64.389436] RSP: 0018:ffff88808a02fc08 EFLAGS: 00010086 [ 64.393578] ? sget_userns+0x8d6/0xb40 [ 64.393583] ? set_anon_super+0x10/0x10 [ 64.399024] RAX: 0000000000000058 RBX: ffff888095ad01a0 RCX: 0000000000000000 [ 64.402893] ? nfsd_mount+0xf0/0xf0 [ 64.406839] RDX: 0000000000000058 RSI: 0000000000000000 RDI: ffffed1011405f78 [ 64.414106] nfsd_fill_super+0x45/0x50 [ 64.417709] RBP: ffff88808a02fc20 R08: 0000000000000001 R09: 0000000000000000 [ 64.424963] mount_ns+0xd0/0x170 [ 64.428825] R10: ffff88808a02f7c0 R11: ffff8880a58c2300 R12: ffff888095ad01a0 [ 64.436078] nfsd_mount+0x93/0xf0 [ 64.439418] R13: ffff888095ad01a0 R14: 0000000000000282 R15: ffff8880a120b500 [ 64.446668] ? lockdep_init_map+0x9/0x10 [ 64.450094] FS: 00000000015af940(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 64.457351] mount_fs+0x7f/0x269 [ 64.461398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.461403] CR2: 000000000070e158 CR3: 00000000a6fc8000 CR4: 00000000001406e0 [ 64.469630] ? alloc_vfsmnt+0x470/0x750 [ 64.472976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.478851] vfs_kern_mount.part.33+0x58/0x3c0 [ 64.486120] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.490083] do_mount+0x36b/0x26a0 [ 64.497336] Call Trace: [ 64.501899] ? __might_fault+0xf1/0x1b0 [ 64.509153] ? __put_net+0x1f/0x100 [ 64.512671] ? copy_mount_string+0x20/0x20 [ 64.515231] __put_net+0x3b/0x100 [ 64.519183] ? kasan_check_write+0x14/0x20 [ 64.522796] __sk_destruct+0x3eb/0x4e0 [ 64.527026] ? _copy_from_user+0x9c/0xd0 [ 64.530471] sk_destruct+0x83/0xb0 [ 64.534697] ? memdup_user+0x4a/0x80 [ 64.538572] __sk_free+0x47/0x1f0 [ 64.542624] SyS_mount+0xb8/0xd0 [ 64.546151] sk_free+0x23/0x30 [ 64.549840] ? copy_mnt_ns+0xae0/0xae0 [ 64.553270] tcp_close+0x94a/0xf00 [ 64.556645] do_syscall_64+0x1c7/0x5b0 [ 64.559818] ? __sock_release+0x7d/0x2a0 [ 64.563695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.567216] inet_release+0xd9/0x1c0 [ 64.571074] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.575106] __sock_release+0xc2/0x2a0 [ 64.579923] RIP: 0033:0x459279 [ 64.583615] sock_close+0x10/0x20 [ 64.588776] RSP: 002b:00007fe960d58c78 EFLAGS: 00000246 [ 64.592639] __fput+0x232/0x750 [ 64.595801] ORIG_RAX: 00000000000000a5 [ 64.599232] ? _raw_spin_unlock_irq+0x27/0x80 [ 64.604567] RAX: ffffffffffffffda RBX: 00007fe960d58c90 RCX: 0000000000459279 [ 64.607839] ____fput+0x9/0x10 [ 64.611796] RDX: 0000000020000240 RSI: 0000000020000000 RDI: 0000000000000000 [ 64.616265] task_work_run+0xe5/0x170 [ 64.623521] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 64.626691] exit_to_usermode_loop+0x16a/0x1b0 [ 64.633941] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe960d596d4 [ 64.633944] R13: 00000000004c56a3 R14: 00000000004d9a20 R15: 0000000000000004 [ 64.637735] do_syscall_64+0x416/0x5b0 [ 64.647621] kobject: 'loop0' (ffff8880a497af20): kobject_uevent_env [ 64.649542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.665638] kobject: 'loop0' (ffff8880a497af20): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.667930] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.667940] RIP: 0033:0x412f40 [ 64.667942] RSP: 002b:00007fff709d8d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 64.667947] RAX: 0000000000000000 RBX: 00007fff709d8e30 RCX: 0000000000412f40 [ 64.667950] RDX: 00000000000000e0 RSI: 00007fff709d9210 RDI: 0000000000000003 [ 64.667952] RBP: 0000000000000003 R08: 0000000000006000 R09: 0000000000004000 [ 64.667954] R10: 00007fff709d8e30 R11: 0000000000000246 R12: 0000000000000000 [ 64.667956] R13: 00007fff709d94b0 R14: 000000000000f73b R15: 00007fff709d94c0 [ 64.667962] Code: 75 e8 eb a9 48 89 f7 48 89 75 e8 e8 f1 [ 64.676528] kobject: 'loop3' (ffff8880a4a7ca20): kobject_uevent_env [ 64.679189] b0 af fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 00 d9 bc 86 e8 a3 10 76 fe <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 [ 64.679258] RIP: __list_add_valid+0xaa/0xb0 RSP: ffff88808a02fc08 [ 64.679267] ---[ end trace b14f8dcc7b298f70 ]--- [ 64.679271] Kernel panic - not syncing: Fatal exception [ 64.680947] Kernel Offset: disabled [ 64.789461] Rebooting in 86400 seconds..