Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. 2022/06/01 19:14:13 parsed 1 programs [ 39.906200][ T23] kauditd_printk_skb: 66 callbacks suppressed [ 39.906209][ T23] audit: type=1400 audit(1654110853.169:149): avc: denied { mounton } for pid=411 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 39.906392][ T411] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.943290][ T411] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! 2022/06/01 19:14:13 executed programs: 0 [ 39.950784][ T411] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.958313][ T411] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 39.966153][ T411] cgroup: Unknown subsys name 'net' [ 39.971680][ T411] cgroup: Unknown subsys name 'devices' [ 39.978242][ T411] cgroup: Unknown subsys name 'hugetlb' [ 39.984061][ T411] cgroup: Unknown subsys name 'rlimit' [ 39.990104][ T23] audit: type=1400 audit(1654110853.249:150): avc: denied { mounton } for pid=411 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 40.068056][ T23] audit: type=1400 audit(1654110853.249:151): avc: denied { mount } for pid=411 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 40.099648][ T423] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.099714][ T23] audit: type=1400 audit(1654110853.289:152): avc: denied { mounton } for pid=418 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 40.107326][ T423] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.132589][ T23] audit: type=1400 audit(1654110853.289:153): avc: denied { module_request } for pid=418 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 40.138654][ T423] device bridge_slave_0 entered promiscuous mode [ 40.166800][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.173854][ T423] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.181204][ T423] device bridge_slave_1 entered promiscuous mode [ 40.270329][ T423] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.277381][ T423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.300741][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.307836][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.315367][ T422] device bridge_slave_0 entered promiscuous mode [ 40.324523][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.331556][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.339098][ T422] device bridge_slave_1 entered promiscuous mode [ 40.345807][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.352856][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.360139][ T418] device bridge_slave_0 entered promiscuous mode [ 40.386589][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.393995][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.401255][ T420] device bridge_slave_0 entered promiscuous mode [ 40.409576][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.416835][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.424198][ T418] device bridge_slave_1 entered promiscuous mode [ 40.430914][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.439547][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.447147][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.454466][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.462719][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.470848][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.477926][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.502867][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.509920][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.517980][ T420] device bridge_slave_1 entered promiscuous mode [ 40.539144][ T428] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.546380][ T428] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.553969][ T428] device bridge_slave_0 entered promiscuous mode [ 40.562864][ T428] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.569896][ T428] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.577404][ T428] device bridge_slave_1 entered promiscuous mode [ 40.584340][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.594924][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.601947][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.609456][ T424] device bridge_slave_0 entered promiscuous mode [ 40.655414][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.662509][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.669840][ T424] device bridge_slave_1 entered promiscuous mode [ 40.679194][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.704984][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.713299][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.737573][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.775559][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.789001][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.827793][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.835996][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.843933][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.852075][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.859223][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.867167][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.875704][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.882751][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.904644][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.923752][ T23] audit: type=1400 audit(1654110854.189:154): avc: denied { mount } for pid=423 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 40.924128][ T423] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 40.956434][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.957076][ T423] !!!!! cgroup_kn_unlock css ffff88810b5f8000 flags 8c3db48 !!! [ 40.964965][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.979967][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.980078][ T423] !!!!! cgroup_kn_unlock css ffff88811a230010 flags 8c10600 !!! [ 40.987004][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.987639][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.995584][ T423] !!!!! cgroup_kn_unlock css ffff88810b5de000 flags 8c3c9e0 !!! [ 41.002488][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.025871][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.032897][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.040259][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.048420][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.065745][ T423] !!!!! cgroup_kn_unlock css ffff88811625c010 flags 8c105d8 !!! [ 41.075358][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.075580][ T423] !!!!! cgroup_kn_unlock css ffff88810b5dc000 flags 8c3ddd0 !!! [ 41.083019][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.099089][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.106819][ T23] audit: type=1400 audit(1654110854.369:155): avc: denied { mounton } for pid=446 comm="syz-executor.1" path="/root/syzkaller-testdir2861965549/syzkaller.niwLhz/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 41.108239][ T447] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.142685][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.150780][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.157834][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.165602][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.173798][ C0] !!!!! css_killed_ref_fn css ffff88811be0b800 !!! [ 41.173815][ C0] !!!!! css_killed_ref_fn css ffff88810b4c3400 !!! [ 41.187043][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.194063][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.201382][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.209531][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.222312][ T74] !!!!! css_release css ffff88811be0b800 !!! [ 41.228312][ T74] !!!!! css_release css ffff88810b4c3400 !!! [ 41.252946][ T447] FAULT_INJECTION: forcing a failure. [ 41.252946][ T447] name failslab, interval 1, probability 0, space 0, times 1 [ 41.253992][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.265901][ T447] CPU: 1 PID: 447 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 41.283128][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.293166][ T447] Call Trace: [ 41.296431][ T447] dump_stack+0x19c/0x1e2 [ 41.300741][ T447] should_fail+0x3f7/0x5b0 [ 41.305216][ T447] __should_failslab+0xd2/0x130 [ 41.310035][ T447] should_failslab+0x9/0x20 [ 41.314520][ T447] slab_pre_alloc_hook+0x25/0xe0 [ 41.319428][ T447] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.324691][ T447] ? allocate_cgrp_cset_links+0xb3/0x270 [ 41.330578][ T447] allocate_cgrp_cset_links+0xb3/0x270 [ 41.336185][ T447] find_css_set+0x9ea/0x1500 [ 41.340759][ T447] cgroup_migrate_prepare_dst+0xd1/0x950 [ 41.346362][ T447] cgroup_apply_control+0x567/0x710 [ 41.351531][ T447] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.357481][ T447] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.363521][ T447] cgroup_file_write+0x22f/0x4f0 [ 41.368446][ T447] kernfs_fop_write_iter+0x2cd/0x410 [ 41.373888][ T447] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.378989][ T447] vfs_write+0xb57/0xe50 [ 41.383222][ T447] ksys_write+0x157/0x260 [ 41.387639][ T447] __x64_sys_write+0x7b/0x90 [ 41.392224][ T447] do_syscall_64+0x34/0x70 [ 41.396640][ T447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.402527][ T447] RIP: 0033:0x7f7be2dda0e9 [ 41.406926][ T447] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.426731][ T447] RSP: 002b:00007f7be2d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.435432][ T447] RAX: ffffffffffffffda RBX: 00007f7be2eecf60 RCX: 00007f7be2dda0e9 [ 41.443406][ T447] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.451449][ T447] RBP: 00007f7be2d501d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.459406][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.467460][ T447] R13: 00007ffd139d371f R14: 00007f7be2d50300 R15: 0000000000022000 [ 41.477668][ T447] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.477807][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.494321][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.502187][ C1] !!!!! css_killed_ref_fn css ffff88811e3ef800 !!! [ 41.508976][ C1] !!!!! css_killed_ref_fn css ffff88811e3ee000 !!! [ 41.515836][ T24] !!!!! css_release css ffff88811e3ef800 !!! [ 41.515973][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.521840][ T24] !!!!! css_release css ffff88811e3ee000 !!! [ 41.536080][ T449] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.544020][ T449] FAULT_INJECTION: forcing a failure. [ 41.544020][ T449] name failslab, interval 1, probability 0, space 0, times 0 [ 41.544042][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.556652][ T449] CPU: 1 PID: 449 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 41.574532][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.584657][ T449] Call Trace: [ 41.588102][ T449] dump_stack+0x19c/0x1e2 [ 41.592410][ T449] should_fail+0x3f7/0x5b0 [ 41.596802][ T449] __should_failslab+0xd2/0x130 [ 41.601642][ T449] should_failslab+0x9/0x20 [ 41.606117][ T449] slab_pre_alloc_hook+0x25/0xe0 [ 41.611043][ T449] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.616309][ T449] ? allocate_cgrp_cset_links+0xb3/0x270 [ 41.622448][ T449] allocate_cgrp_cset_links+0xb3/0x270 [ 41.627880][ T449] find_css_set+0x9ea/0x1500 [ 41.632451][ T449] cgroup_migrate_prepare_dst+0xd1/0x950 [ 41.638143][ T449] cgroup_apply_control+0x567/0x710 [ 41.643316][ T449] cgroup_subtree_control_write+0xd05/0x12d0 [ 41.649278][ T449] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 41.655237][ T449] cgroup_file_write+0x22f/0x4f0 [ 41.660153][ T449] kernfs_fop_write_iter+0x2cd/0x410 [ 41.665416][ T449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.670513][ T449] vfs_write+0xb57/0xe50 [ 41.674738][ T449] ksys_write+0x157/0x260 [ 41.679050][ T449] __x64_sys_write+0x7b/0x90 [ 41.683630][ T449] do_syscall_64+0x34/0x70 [ 41.688022][ T449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.693889][ T449] RIP: 0033:0x7f7be2dda0e9 [ 41.698373][ T449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.718223][ T449] RSP: 002b:00007f7be2d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.726808][ T449] RAX: ffffffffffffffda RBX: 00007f7be2eecf60 RCX: 00007f7be2dda0e9 [ 41.734771][ T449] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.742719][ T449] RBP: 00007f7be2d501d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.751013][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.759049][ T449] R13: 00007ffd139d371f R14: 00007f7be2d50300 R15: 0000000000022000 [ 41.767618][ T449] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.767975][ T23] audit: type=1400 audit(1654110855.039:156): avc: denied { append } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 41.798529][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.802128][ T23] audit: type=1400 audit(1654110855.039:157): avc: denied { open } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 41.809772][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.830021][ T23] audit: type=1400 audit(1654110855.039:158): avc: denied { getattr } for pid=141 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 41.840280][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.860569][ C1] !!!!! css_killed_ref_fn css ffff88811e3ec400 !!! [ 41.867587][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.874083][ C1] !!!!! css_killed_ref_fn css ffff88810bcab800 !!! [ 41.881757][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.888480][ T24] !!!!! css_release css ffff88811e3ec400 !!! [ 41.896703][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.902551][ T24] !!!!! css_release css ffff88810bcab800 !!! [ 41.909256][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.915695][ T451] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 41.922746][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.930430][ T451] FAULT_INJECTION: forcing a failure. [ 41.930430][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 41.938185][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.950549][ T451] CPU: 1 PID: 451 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 41.958808][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.968557][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.968561][ T451] Call Trace: [ 41.968576][ T451] dump_stack+0x19c/0x1e2 [ 41.968587][ T451] should_fail+0x3f7/0x5b0 [ 41.968602][ T451] __should_failslab+0xd2/0x130 [ 41.975608][ T388] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.985733][ T451] should_failslab+0x9/0x20 [ 41.985749][ T451] slab_pre_alloc_hook+0x25/0xe0 [ 41.989689][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.993313][ T451] kmem_cache_alloc_trace+0x47/0x2b0 [ 41.993323][ T451] ? allocate_cgrp_cset_links+0xb3/0x270 [ 41.993338][ T451] allocate_cgrp_cset_links+0xb3/0x270 [ 41.997920][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.002554][ T451] find_css_set+0x9ea/0x1500 [ 42.002566][ T451] cgroup_migrate_prepare_dst+0xd1/0x950 [ 42.002584][ T451] cgroup_apply_control+0x567/0x710 [ 42.010028][ T388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.014503][ T451] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.014519][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.020245][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.027396][ T451] cgroup_file_write+0x22f/0x4f0 [ 42.027408][ T451] kernfs_fop_write_iter+0x2cd/0x410 [ 42.027417][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.027426][ T451] vfs_write+0xb57/0xe50 [ 42.027446][ T451] ksys_write+0x157/0x260 [ 42.033187][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.038541][ T451] __x64_sys_write+0x7b/0x90 [ 42.038560][ T451] do_syscall_64+0x34/0x70 [ 42.044694][ T388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.051094][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.051103][ T451] RIP: 0033:0x7f7be2dda0e9 [ 42.051119][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.170898][ T451] RSP: 002b:00007f7be2d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.179294][ T451] RAX: ffffffffffffffda RBX: 00007f7be2eecf60 RCX: 00007f7be2dda0e9 [ 42.187365][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.195462][ T451] RBP: 00007f7be2d501d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.203445][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.211554][ T451] R13: 00007ffd139d371f R14: 00007f7be2d50300 R15: 0000000000022000 [ 42.220022][ T451] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.232214][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.240337][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.249109][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.252169][ C0] !!!!! css_killed_ref_fn css ffff88810bfd4800 !!! [ 42.257402][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.263434][ C0] !!!!! css_killed_ref_fn css ffff88810bfd5800 !!! [ 42.271366][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.277879][ T388] !!!!! css_release css ffff88810bfd4800 !!! [ 42.285740][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.291950][ T388] !!!!! css_release css ffff88810bfd5800 !!! [ 42.299872][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.305832][ T453] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.313378][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.321193][ T453] FAULT_INJECTION: forcing a failure. [ 42.321193][ T453] name failslab, interval 1, probability 0, space 0, times 0 [ 42.341693][ T453] CPU: 1 PID: 453 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 42.351847][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.361898][ T453] Call Trace: [ 42.365177][ T453] dump_stack+0x19c/0x1e2 [ 42.369481][ T453] should_fail+0x3f7/0x5b0 [ 42.373872][ T453] __should_failslab+0xd2/0x130 [ 42.378713][ T453] should_failslab+0x9/0x20 [ 42.383189][ T453] slab_pre_alloc_hook+0x25/0xe0 [ 42.388094][ T453] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.393353][ T453] ? allocate_cgrp_cset_links+0xb3/0x270 [ 42.398977][ T453] allocate_cgrp_cset_links+0xb3/0x270 [ 42.404534][ T453] find_css_set+0x9ea/0x1500 [ 42.409111][ T453] cgroup_migrate_prepare_dst+0xd1/0x950 [ 42.414725][ T453] cgroup_apply_control+0x567/0x710 [ 42.419958][ T453] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.426273][ T453] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.432242][ T453] cgroup_file_write+0x22f/0x4f0 [ 42.437268][ T453] kernfs_fop_write_iter+0x2cd/0x410 [ 42.442538][ T453] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.447626][ T453] vfs_write+0xb57/0xe50 [ 42.451843][ T453] ksys_write+0x157/0x260 [ 42.456149][ T453] __x64_sys_write+0x7b/0x90 [ 42.460840][ T453] do_syscall_64+0x34/0x70 [ 42.465242][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.471135][ T453] RIP: 0033:0x7f7be2dda0e9 [ 42.475527][ T453] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.495131][ T453] RSP: 002b:00007f7be2d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.503524][ T453] RAX: ffffffffffffffda RBX: 00007f7be2eecf60 RCX: 00007f7be2dda0e9 [ 42.511485][ T453] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.519442][ T453] RBP: 00007f7be2d501d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.527413][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.535388][ T453] R13: 00007ffd139d371f R14: 00007f7be2d50300 R15: 0000000000022000 [ 42.545435][ T453] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.562212][ C1] !!!!! css_killed_ref_fn css ffff88810c110400 !!! [ 42.568748][ C1] !!!!! css_killed_ref_fn css ffff88810c113000 !!! [ 42.575318][ T19] !!!!! css_release css ffff88810c110400 !!! [ 42.581311][ T19] !!!!! css_release css ffff88810c113000 !!! [ 42.588087][ T455] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.597105][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.597437][ T455] FAULT_INJECTION: forcing a failure. [ 42.597437][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 42.605268][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.618967][ T455] CPU: 1 PID: 455 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 42.625839][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.635684][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.635688][ T455] Call Trace: [ 42.635702][ T455] dump_stack+0x19c/0x1e2 [ 42.635713][ T455] should_fail+0x3f7/0x5b0 [ 42.635729][ T455] __should_failslab+0xd2/0x130 [ 42.644145][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.653715][ T455] should_failslab+0x9/0x20 [ 42.653724][ T455] slab_pre_alloc_hook+0x25/0xe0 [ 42.653732][ T455] kmem_cache_alloc_trace+0x47/0x2b0 [ 42.653749][ T455] ? allocate_cgrp_cset_links+0xb3/0x270 [ 42.657332][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.661319][ T455] allocate_cgrp_cset_links+0xb3/0x270 [ 42.666179][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.670554][ T455] find_css_set+0x9ea/0x1500 [ 42.678807][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.683060][ T455] cgroup_migrate_prepare_dst+0xd1/0x950 [ 42.683075][ T455] cgroup_apply_control+0x567/0x710 [ 42.688181][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.693420][ T455] cgroup_subtree_control_write+0xd05/0x12d0 [ 42.693438][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 42.699234][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.706984][ T455] cgroup_file_write+0x22f/0x4f0 [ 42.706993][ T455] kernfs_fop_write_iter+0x2cd/0x410 [ 42.707008][ T455] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.712985][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.720829][ T455] vfs_write+0xb57/0xe50 [ 42.725693][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.733093][ T455] ksys_write+0x157/0x260 [ 42.733108][ T455] __x64_sys_write+0x7b/0x90 [ 42.738900][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.743881][ T455] do_syscall_64+0x34/0x70 [ 42.743891][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.743905][ T455] RIP: 0033:0x7f7be2dda0e9 [ 42.751778][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.757558][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.757564][ T455] RSP: 002b:00007f7be2d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.765461][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.773209][ T455] RAX: ffffffffffffffda RBX: 00007f7be2eecf60 RCX: 00007f7be2dda0e9 [ 42.773215][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.773220][ T455] RBP: 00007f7be2d501d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.773233][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.778369][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.783408][ T455] R13: 00007ffd139d371f R14: 00007f7be2d50300 R15: 0000000000022000 [ 42.784907][ T455] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 42.789056][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.951905][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.960173][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.968634][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.977081][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.985469][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.992279][ C1] !!!!! css_killed_ref_fn css ffff88810c2d8c00 !!! [ 42.994134][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.000023][ C1] !!!!! css_killed_ref_fn css ffff88810c2d9c00 !!! [ 43.008526][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.015196][ T24] !!!!! css_release css ffff88810c2d8c00 !!! [ 43.022823][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.028936][ T24] !!!!! css_release css ffff88810c2d9c00 !!! [ 43.036792][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.042399][ T457] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.050539][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.058149][ T458] FAULT_INJECTION: forcing a failure. [ 43.058149][ T458] name failslab, interval 1, probability 0, space 0, times 0 [ 43.065898][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.078604][ T458] CPU: 1 PID: 458 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 43.086282][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.096277][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.096282][ T458] Call Trace: [ 43.096298][ T458] dump_stack+0x19c/0x1e2 [ 43.096310][ T458] should_fail+0x3f7/0x5b0 [ 43.096320][ T458] __should_failslab+0xd2/0x130 [ 43.096328][ T458] should_failslab+0x9/0x20 [ 43.096336][ T458] slab_pre_alloc_hook+0x25/0xe0 [ 43.096345][ T458] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.096358][ T458] ? should_failslab+0x9/0x20 [ 43.096367][ T458] ? allocate_cgrp_cset_links+0xb3/0x270 [ 43.096376][ T458] allocate_cgrp_cset_links+0xb3/0x270 [ 43.096385][ T458] find_css_set+0x9ea/0x1500 [ 43.096396][ T458] cgroup_migrate_prepare_dst+0xd1/0x950 [ 43.096407][ T458] cgroup_apply_control+0x567/0x710 [ 43.096420][ T458] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.096431][ T458] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.096440][ T458] cgroup_file_write+0x22f/0x4f0 [ 43.096448][ T458] kernfs_fop_write_iter+0x2cd/0x410 [ 43.096456][ T458] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.096465][ T458] vfs_write+0xb57/0xe50 [ 43.096477][ T458] ksys_write+0x157/0x260 [ 43.096486][ T458] __x64_sys_write+0x7b/0x90 [ 43.096501][ T458] do_syscall_64+0x34/0x70 [ 43.104740][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.114170][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.114178][ T458] RIP: 0033:0x7f7be2dda0e9 [ 43.114188][ T458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.114202][ T458] RSP: 002b:00007f7be2d2f168 EFLAGS: 00000246 [ 43.117695][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.121767][ T458] ORIG_RAX: 0000000000000001 [ 43.121775][ T458] RAX: ffffffffffffffda RBX: 00007f7be2eed030 RCX: 00007f7be2dda0e9 [ 43.121780][ T458] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.121793][ T458] RBP: 00007f7be2d2f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.126633][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.131109][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.131116][ T458] R13: 00007ffd139d371f R14: 00007f7be2d2f300 R15: 0000000000022000 [ 43.131520][ T458] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.136160][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.162187][ C1] !!!!! css_killed_ref_fn css ffff88810c626000 !!! [ 43.166766][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.172240][ C1] !!!!! css_killed_ref_fn css ffff88810c625400 !!! [ 43.172287][ T24] !!!!! css_release css ffff88810c626000 !!! [ 43.172294][ T24] !!!!! css_release css ffff88810c625400 !!! [ 43.285567][ T460] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.289919][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.298037][ T460] FAULT_INJECTION: forcing a failure. [ 43.298037][ T460] name failslab, interval 1, probability 0, space 0, times 0 [ 43.407450][ T460] CPU: 1 PID: 460 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 43.417599][ T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.427736][ T460] Call Trace: [ 43.431103][ T460] dump_stack+0x19c/0x1e2 [ 43.435467][ T460] should_fail+0x3f7/0x5b0 [ 43.439858][ T460] __should_failslab+0xd2/0x130 [ 43.444688][ T460] should_failslab+0x9/0x20 [ 43.449168][ T460] slab_pre_alloc_hook+0x25/0xe0 [ 43.454079][ T460] kmem_cache_alloc_trace+0x47/0x2b0 [ 43.459358][ T460] ? allocate_cgrp_cset_links+0xb3/0x270 [ 43.465161][ T460] allocate_cgrp_cset_links+0xb3/0x270 [ 43.470599][ T460] find_css_set+0x9ea/0x1500 [ 43.475166][ T460] cgroup_migrate_prepare_dst+0xd1/0x950 [ 43.480775][ T460] cgroup_apply_control+0x567/0x710 [ 43.485951][ T460] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.491915][ T460] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.497901][ T460] cgroup_file_write+0x22f/0x4f0 [ 43.502997][ T460] kernfs_fop_write_iter+0x2cd/0x410 [ 43.508482][ T460] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.513569][ T460] vfs_write+0xb57/0xe50 [ 43.517790][ T460] ksys_write+0x157/0x260 [ 43.522218][ T460] __x64_sys_write+0x7b/0x90 [ 43.526972][ T460] do_syscall_64+0x34/0x70 [ 43.531362][ T460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.537239][ T460] RIP: 0033:0x7f7be2dda0e9 [ 43.541637][ T460] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.561219][ T460] RSP: 002b:00007f7be2d50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.569637][ T460] RAX: ffffffffffffffda RBX: 00007f7be2eecf60 RCX: 00007f7be2dda0e9 [ 43.577615][ T460] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.585848][ T460] RBP: 00007f7be2d501d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.593885][ T460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.601845][ T460] R13: 00007ffd139d371f R14: 00007f7be2d50300 R15: 0000000000022000 [ 43.610593][ T460] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.622737][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.631345][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.639871][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.642212][ C1] !!!!! css_killed_ref_fn css ffff88810c834400 !!! [ 43.648388][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.654367][ C1] !!!!! css_killed_ref_fn css ffff88810c836400 !!! [ 43.669250][ T24] !!!!! css_release css ffff88810c834400 !!! [ 43.675750][ T389] !!!!! css_release css ffff88810c836400 !!! [ 43.682544][ T418] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.696320][ T428] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.705132][ T420] !!!!! cgroup_kn_unlock css ffff88811be1e000 flags 8c186b0 !!! [ 43.706242][ T428] !!!!! cgroup_kn_unlock css ffff88810c90c000 flags 8c45fa8 !!! [ 43.714268][ T418] !!!!! cgroup_kn_unlock css ffff88810c90a000 flags 8c45ab8 !!! [ 43.728684][ T428] !!!!! cgroup_kn_unlock css ffff88811a230010 flags 8c10600 !!! [ 43.729641][ T422] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.737437][ T428] !!!!! cgroup_kn_unlock css ffff88810cbf4000 flags 8c46630 !!! [ 43.744190][ T420] !!!!! cgroup_kn_unlock css ffff88811be18000 flags 8c191f0 !!! [ 43.762231][ T418] !!!!! cgroup_kn_unlock css ffff88811a230010 flags 8c10600 !!! [ 43.762682][ T420] !!!!! cgroup_kn_unlock css ffff88811be1c000 flags 8c182e0 !!! [ 43.770063][ T418] !!!!! cgroup_kn_unlock css ffff88810c8f8000 flags 8c462b8 !!! [ 43.778239][ T422] !!!!! cgroup_kn_unlock css ffff88810cbf2000 flags 8c466e0 !!! [ 43.796165][ T428] !!!!! cgroup_kn_unlock css ffff88811625c010 flags 8c105d8 !!! [ 43.803110][ T464] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.806067][ T424] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 43.811695][ T464] FAULT_INJECTION: forcing a failure. [ 43.811695][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 43.833335][ T464] CPU: 1 PID: 464 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 43.843476][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.853510][ T464] Call Trace: [ 43.856775][ T464] dump_stack+0x19c/0x1e2 [ 43.861075][ T464] should_fail+0x3f7/0x5b0 [ 43.865471][ T464] __should_failslab+0xd2/0x130 [ 43.870299][ T464] ? __kernfs_new_node+0x97/0x6d0 [ 43.875292][ T464] should_failslab+0x9/0x20 [ 43.879771][ T464] slab_pre_alloc_hook+0x25/0xe0 [ 43.884687][ T464] ? __kernfs_new_node+0x97/0x6d0 [ 43.889682][ T464] kmem_cache_alloc+0x40/0x2a0 [ 43.894436][ T464] __kernfs_new_node+0x97/0x6d0 [ 43.899258][ T464] ? string+0x29f/0x2b0 [ 43.903387][ T464] ? vsnprintf+0x1a6c/0x1b30 [ 43.907948][ T464] kernfs_new_node+0x97/0x170 [ 43.912596][ T464] __kernfs_create_file+0x4a/0x270 [ 43.917859][ T464] cgroup_addrm_files+0x99e/0xeb0 [ 43.923038][ T464] ? delete_node+0x747/0x7a0 [ 43.927613][ T464] css_populate_dir+0x137/0x370 [ 43.932536][ T464] cgroup_apply_control_enable+0x5cd/0xf70 [ 43.938402][ T464] cgroup_apply_control+0x36/0x710 [ 43.943501][ T464] ? init_wait_entry+0xe0/0xe0 [ 43.948242][ T464] ? cgroup_kn_lock_live+0x1af/0x370 [ 43.953505][ T464] cgroup_subtree_control_write+0xd05/0x12d0 [ 43.959548][ T464] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 43.965603][ T464] cgroup_file_write+0x22f/0x4f0 [ 43.970559][ T464] kernfs_fop_write_iter+0x2cd/0x410 [ 43.975824][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.980908][ T464] vfs_write+0xb57/0xe50 [ 43.985298][ T464] ksys_write+0x157/0x260 [ 43.989614][ T464] __x64_sys_write+0x7b/0x90 [ 43.994175][ T464] do_syscall_64+0x34/0x70 [ 43.998578][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.004482][ T464] RIP: 0033:0x7fa4459bb0e9 [ 44.008902][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.028598][ T464] RSP: 002b:00007fa445931168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.037169][ T464] RAX: ffffffffffffffda RBX: 00007fa445acdf60 RCX: 00007fa4459bb0e9 [ 44.045124][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.053084][ T464] RBP: 00007fa4459311d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.061042][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.069092][ T464] R13: 00007ffd222b7a0f R14: 00007fa445931300 R15: 0000000000022000 [ 44.078146][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.085304][ T464] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.093189][ T422] !!!!! cgroup_kn_unlock css ffff88811a230010 flags 8c10600 !!! [ 44.094960][ T428] !!!!! cgroup_kn_unlock css ffff88810c8fa000 flags 8c46750 !!! [ 44.101116][ T418] !!!!! cgroup_kn_unlock css ffff88811625c010 flags 8c105d8 !!! [ 44.109719][ T422] !!!!! cgroup_kn_unlock css ffff88810ce50000 flags 8c45540 !!! [ 44.117149][ T424] !!!!! cgroup_kn_unlock css ffff88810cb16000 flags 8c468e8 !!! [ 44.138351][ T418] !!!!! cgroup_kn_unlock css ffff88810cb02000 flags 8c467d0 !!! [ 44.140382][ T424] !!!!! cgroup_kn_unlock css ffff88811a230010 flags 8c10600 !!! [ 44.146283][ C1] !!!!! css_killed_ref_fn css ffff88810c977c00 !!! [ 44.154447][ T424] !!!!! cgroup_kn_unlock css ffff88810cb06000 flags 8c469e0 !!! [ 44.160431][ C1] !!!!! css_killed_ref_fn css ffff88810c974800 !!! [ 44.168655][ T424] !!!!! cgroup_kn_unlock css ffff88811625c010 flags 8c105d8 !!! [ 44.174654][ C1] !!!!! css_killed_ref_fn css ffff88810c977000 !!! [ 44.174721][ T389] !!!!! css_release css ffff88810c977c00 !!! [ 44.174728][ T389] !!!!! css_release css ffff88810c974800 !!! [ 44.174733][ T389] !!!!! css_release css ffff88810c977000 !!! [ 44.184289][ T468] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.189220][ T466] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.195989][ T468] FAULT_INJECTION: forcing a failure. [ 44.195989][ T468] name failslab, interval 1, probability 0, space 0, times 0 [ 44.234942][ T468] CPU: 1 PID: 468 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 44.245072][ T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.255299][ T468] Call Trace: [ 44.258583][ T468] dump_stack+0x19c/0x1e2 [ 44.262983][ T468] should_fail+0x3f7/0x5b0 [ 44.267396][ T468] __should_failslab+0xd2/0x130 [ 44.272405][ T468] ? __kernfs_new_node+0x97/0x6d0 [ 44.277507][ T468] should_failslab+0x9/0x20 [ 44.281994][ T468] slab_pre_alloc_hook+0x25/0xe0 [ 44.286908][ T468] ? __kernfs_new_node+0x97/0x6d0 [ 44.291913][ T468] kmem_cache_alloc+0x40/0x2a0 [ 44.296758][ T468] __kernfs_new_node+0x97/0x6d0 [ 44.301589][ T468] ? string+0x29f/0x2b0 [ 44.305730][ T468] ? vsnprintf+0x1a6c/0x1b30 [ 44.310494][ T468] kernfs_new_node+0x97/0x170 [ 44.315250][ T468] __kernfs_create_file+0x4a/0x270 [ 44.320342][ T468] cgroup_addrm_files+0x99e/0xeb0 [ 44.325362][ T468] ? delete_node+0x747/0x7a0 [ 44.329948][ T468] css_populate_dir+0x137/0x370 [ 44.334792][ T468] cgroup_apply_control_enable+0x5cd/0xf70 [ 44.340573][ T468] cgroup_apply_control+0x36/0x710 [ 44.345658][ T468] ? init_wait_entry+0xe0/0xe0 [ 44.350423][ T468] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.355692][ T468] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.361746][ T468] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.367881][ T468] cgroup_file_write+0x22f/0x4f0 [ 44.372800][ T468] kernfs_fop_write_iter+0x2cd/0x410 [ 44.378091][ T468] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.383183][ T468] vfs_write+0xb57/0xe50 [ 44.387413][ T468] ksys_write+0x157/0x260 [ 44.391722][ T468] __x64_sys_write+0x7b/0x90 [ 44.396321][ T468] do_syscall_64+0x34/0x70 [ 44.400740][ T468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.406605][ T468] RIP: 0033:0x7fdf9f2ae0e9 [ 44.411006][ T468] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.430696][ T468] RSP: 002b:00007fdf9f224168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.439281][ T468] RAX: ffffffffffffffda RBX: 00007fdf9f3c0f60 RCX: 00007fdf9f2ae0e9 [ 44.447238][ T468] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.455211][ T468] RBP: 00007fdf9f2241d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.463186][ T468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.471332][ T468] R13: 00007ffe7a2bbc5f R14: 00007fdf9f224300 R15: 0000000000022000 [ 44.480928][ T468] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.488259][ T468] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.488605][ T422] !!!!! cgroup_kn_unlock css ffff88811625c010 flags 8c105d8 !!! [ 44.503954][ T424] !!!!! cgroup_kn_unlock css ffff88810cb04000 flags 8c46938 !!! [ 44.510501][ T422] !!!!! cgroup_kn_unlock css ffff88810ced2000 flags 8c46ae0 !!! [ 44.519557][ C1] !!!!! css_killed_ref_fn css ffff88810c977800 !!! [ 44.519575][ C1] !!!!! css_killed_ref_fn css ffff88810d152c00 !!! [ 44.519584][ C1] !!!!! css_killed_ref_fn css ffff88810d152400 !!! [ 44.539318][ T389] !!!!! css_release css ffff88810c977800 !!! [ 44.545429][ T389] !!!!! css_release css ffff88810d152c00 !!! [ 44.551689][ T389] !!!!! css_release css ffff88810d152400 !!! [ 44.558366][ T473] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.559213][ T471] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.566006][ T469] FAULT_INJECTION: forcing a failure. [ 44.566006][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 44.586448][ T469] CPU: 1 PID: 469 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 44.596707][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.606753][ T469] Call Trace: [ 44.610108][ T469] dump_stack+0x19c/0x1e2 [ 44.614418][ T469] should_fail+0x3f7/0x5b0 [ 44.618812][ T469] __should_failslab+0xd2/0x130 [ 44.623732][ T469] ? __kernfs_new_node+0x97/0x6d0 [ 44.628750][ T469] should_failslab+0x9/0x20 [ 44.633229][ T469] slab_pre_alloc_hook+0x25/0xe0 [ 44.638155][ T469] ? __kernfs_new_node+0x97/0x6d0 [ 44.643170][ T469] kmem_cache_alloc+0x40/0x2a0 [ 44.648030][ T469] __kernfs_new_node+0x97/0x6d0 [ 44.652872][ T469] ? string+0x29f/0x2b0 [ 44.657020][ T469] ? vsnprintf+0x1a6c/0x1b30 [ 44.661587][ T469] kernfs_new_node+0x97/0x170 [ 44.666250][ T469] __kernfs_create_file+0x4a/0x270 [ 44.671358][ T469] cgroup_addrm_files+0x99e/0xeb0 [ 44.676461][ T469] ? delete_node+0x747/0x7a0 [ 44.681101][ T469] css_populate_dir+0x137/0x370 [ 44.686032][ T469] cgroup_apply_control_enable+0x5cd/0xf70 [ 44.691817][ T469] cgroup_apply_control+0x36/0x710 [ 44.696952][ T469] ? init_wait_entry+0xe0/0xe0 [ 44.701696][ T469] ? cgroup_kn_lock_live+0x1af/0x370 [ 44.707049][ T469] cgroup_subtree_control_write+0xd05/0x12d0 [ 44.713015][ T469] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 44.718998][ T469] cgroup_file_write+0x22f/0x4f0 [ 44.723913][ T469] kernfs_fop_write_iter+0x2cd/0x410 [ 44.729172][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.734257][ T469] vfs_write+0xb57/0xe50 [ 44.738491][ T469] ksys_write+0x157/0x260 [ 44.743070][ T469] __x64_sys_write+0x7b/0x90 [ 44.747636][ T469] do_syscall_64+0x34/0x70 [ 44.752143][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.758017][ T469] RIP: 0033:0x7f0ba19070e9 [ 44.762407][ T469] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.781991][ T469] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.790413][ T469] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 44.798374][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.806372][ T469] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.814336][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.822598][ T469] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 44.832925][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.840444][ T469] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.863176][ C0] !!!!! css_killed_ref_fn css ffff88810c604000 !!! [ 44.869754][ C0] !!!!! css_killed_ref_fn css ffff88810c604800 !!! [ 44.876360][ C0] !!!!! css_killed_ref_fn css ffff88810c605400 !!! [ 44.883313][ T444] !!!!! css_release css ffff88810c604000 !!! [ 44.889366][ T444] !!!!! css_release css ffff88810c604800 !!! [ 44.896150][ T444] !!!!! css_release css ffff88810c605400 !!! [ 44.902385][ T488] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.903079][ T487] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 44.910912][ T488] FAULT_INJECTION: forcing a failure. [ 44.910912][ T488] name failslab, interval 1, probability 0, space 0, times 0 [ 44.930295][ T488] CPU: 1 PID: 488 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 44.940521][ T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.950567][ T488] Call Trace: [ 44.953951][ T488] dump_stack+0x19c/0x1e2 [ 44.958274][ T488] should_fail+0x3f7/0x5b0 [ 44.962685][ T488] __should_failslab+0xd2/0x130 [ 44.967526][ T488] should_failslab+0x9/0x20 [ 44.972110][ T488] slab_pre_alloc_hook+0x25/0xe0 [ 44.977031][ T488] kmem_cache_alloc_trace+0x47/0x2b0 [ 44.982309][ T488] ? percpu_ref_init+0xd0/0x330 [ 44.987319][ T488] percpu_ref_init+0xd0/0x330 [ 44.992153][ T488] ? cgroup_setup_root+0x8a0/0x8a0 [ 44.997258][ T488] cgroup_apply_control_enable+0x3d2/0xf70 [ 45.003038][ T488] cgroup_apply_control+0x36/0x710 [ 45.008133][ T488] ? init_wait_entry+0xe0/0xe0 [ 45.012880][ T488] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.018164][ T488] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.024130][ T488] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.030093][ T488] cgroup_file_write+0x22f/0x4f0 [ 45.035011][ T488] kernfs_fop_write_iter+0x2cd/0x410 [ 45.040374][ T488] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.046018][ T488] vfs_write+0xb57/0xe50 [ 45.050416][ T488] ksys_write+0x157/0x260 [ 45.054794][ T488] __x64_sys_write+0x7b/0x90 [ 45.059363][ T488] do_syscall_64+0x34/0x70 [ 45.063765][ T488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.069634][ T488] RIP: 0033:0x7f02a3e740e9 [ 45.074033][ T488] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.093750][ T488] RSP: 002b:00007f02a3dea168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.102157][ T488] RAX: ffffffffffffffda RBX: 00007f02a3f86f60 RCX: 00007f02a3e740e9 [ 45.110210][ T488] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.118160][ T488] RBP: 00007f02a3dea1d0 R08: 0000000000000000 R09: 0000000000000000 2022/06/01 19:14:18 executed programs: 17 [ 45.126121][ T488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.134073][ T488] R13: 00007ffe1488efaf R14: 00007f02a3dea300 R15: 0000000000022000 [ 45.142854][ T488] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.182295][ C1] !!!!! css_killed_ref_fn css ffff88810d615400 !!! [ 45.188999][ C1] !!!!! css_killed_ref_fn css ffff88810d615000 !!! [ 45.195586][ T24] !!!!! css_release css ffff88810d615400 !!! [ 45.201577][ T24] !!!!! css_release css ffff88810d615000 !!! [ 45.208070][ T489] FAULT_INJECTION: forcing a failure. [ 45.208070][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 45.220960][ T489] CPU: 1 PID: 489 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 45.231199][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.241244][ T489] Call Trace: [ 45.244518][ T489] dump_stack+0x19c/0x1e2 [ 45.248831][ T489] should_fail+0x3f7/0x5b0 [ 45.253233][ T489] __should_failslab+0xd2/0x130 [ 45.258067][ T489] should_failslab+0x9/0x20 [ 45.262547][ T489] slab_pre_alloc_hook+0x25/0xe0 [ 45.267467][ T489] kmem_cache_alloc_trace+0x47/0x2b0 [ 45.272900][ T489] ? percpu_ref_init+0xd0/0x330 [ 45.277824][ T489] percpu_ref_init+0xd0/0x330 [ 45.282654][ T489] ? cgroup_setup_root+0x8a0/0x8a0 [ 45.287917][ T489] cgroup_apply_control_enable+0x3d2/0xf70 [ 45.293793][ T489] cgroup_apply_control+0x36/0x710 [ 45.298967][ T489] ? init_wait_entry+0xe0/0xe0 [ 45.303740][ T489] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.309002][ T489] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.314957][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.320924][ T489] cgroup_file_write+0x22f/0x4f0 [ 45.325841][ T489] kernfs_fop_write_iter+0x2cd/0x410 [ 45.331297][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.336395][ T489] vfs_write+0xb57/0xe50 [ 45.340626][ T489] ksys_write+0x157/0x260 [ 45.344945][ T489] __x64_sys_write+0x7b/0x90 [ 45.349643][ T489] do_syscall_64+0x34/0x70 [ 45.354051][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.360012][ T489] RIP: 0033:0x7f0ba19070e9 [ 45.364458][ T489] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.384216][ T489] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.392616][ T489] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 45.400677][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.408653][ T489] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.416792][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.425027][ T489] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 45.433987][ T489] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.482356][ C0] !!!!! css_killed_ref_fn css ffff88810d7e4800 !!! [ 45.489162][ C0] !!!!! css_killed_ref_fn css ffff88810d818c00 !!! [ 45.496036][ T444] !!!!! css_release css ffff88810d7e4800 !!! [ 45.502018][ T444] !!!!! css_release css ffff88810d818c00 !!! [ 45.508175][ T480] FAULT_INJECTION: forcing a failure. [ 45.508175][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 45.520872][ T480] CPU: 0 PID: 480 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 45.531402][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.541541][ T480] Call Trace: [ 45.544828][ T480] dump_stack+0x19c/0x1e2 [ 45.549164][ T480] should_fail+0x3f7/0x5b0 [ 45.553585][ T480] __should_failslab+0xd2/0x130 [ 45.558419][ T480] ? __kernfs_new_node+0x97/0x6d0 [ 45.563521][ T480] should_failslab+0x9/0x20 [ 45.567999][ T480] slab_pre_alloc_hook+0x25/0xe0 [ 45.572914][ T480] ? __kernfs_new_node+0x97/0x6d0 [ 45.578001][ T480] kmem_cache_alloc+0x40/0x2a0 [ 45.582825][ T480] __kernfs_new_node+0x97/0x6d0 [ 45.587659][ T480] ? string+0x29f/0x2b0 [ 45.591885][ T480] ? vsnprintf+0x1a6c/0x1b30 [ 45.596467][ T480] kernfs_new_node+0x97/0x170 [ 45.601121][ T480] __kernfs_create_file+0x4a/0x270 [ 45.606300][ T480] cgroup_addrm_files+0x99e/0xeb0 [ 45.611300][ T480] ? delete_node+0x747/0x7a0 [ 45.615890][ T480] css_populate_dir+0x137/0x370 [ 45.620800][ T480] cgroup_apply_control_enable+0x5cd/0xf70 [ 45.626588][ T480] cgroup_apply_control+0x36/0x710 [ 45.632030][ T480] ? init_wait_entry+0xe0/0xe0 [ 45.636771][ T480] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.642031][ T480] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.648074][ T480] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.654035][ T480] cgroup_file_write+0x22f/0x4f0 [ 45.658949][ T480] kernfs_fop_write_iter+0x2cd/0x410 [ 45.664208][ T480] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.669292][ T480] vfs_write+0xb57/0xe50 [ 45.673508][ T480] ksys_write+0x157/0x260 [ 45.677845][ T480] __x64_sys_write+0x7b/0x90 [ 45.682416][ T480] do_syscall_64+0x34/0x70 [ 45.686830][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.692709][ T480] RIP: 0033:0x7fa4459bb0e9 [ 45.697097][ T480] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.716677][ T480] RSP: 002b:00007fa445910168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.725080][ T480] RAX: ffffffffffffffda RBX: 00007fa445ace030 RCX: 00007fa4459bb0e9 [ 45.733025][ T480] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.741062][ T480] RBP: 00007fa4459101d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.749036][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.757041][ T480] R13: 00007ffd222b7a0f R14: 00007fa445910300 R15: 0000000000022000 [ 45.767467][ T480] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.774673][ T480] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.802193][ C1] !!!!! css_killed_ref_fn css ffff88810d7a3800 !!! [ 45.808929][ C1] !!!!! css_killed_ref_fn css ffff88810d7a2000 !!! [ 45.815542][ C1] !!!!! css_killed_ref_fn css ffff88810d7a1400 !!! [ 45.822065][ T24] !!!!! css_release css ffff88810d7a3800 !!! [ 45.828074][ T24] !!!!! css_release css ffff88810d7a2000 !!! [ 45.834157][ T24] !!!!! css_release css ffff88810d7a1400 !!! [ 45.840168][ T475] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 45.840312][ T481] FAULT_INJECTION: forcing a failure. [ 45.840312][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 45.860882][ T481] CPU: 1 PID: 481 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 45.871002][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.881142][ T481] Call Trace: [ 45.884518][ T481] dump_stack+0x19c/0x1e2 [ 45.888842][ T481] should_fail+0x3f7/0x5b0 [ 45.893243][ T481] __should_failslab+0xd2/0x130 [ 45.898080][ T481] ? __kernfs_new_node+0x97/0x6d0 [ 45.903187][ T481] should_failslab+0x9/0x20 [ 45.907669][ T481] slab_pre_alloc_hook+0x25/0xe0 [ 45.912635][ T481] ? __kernfs_new_node+0x97/0x6d0 [ 45.917641][ T481] kmem_cache_alloc+0x40/0x2a0 [ 45.922572][ T481] __kernfs_new_node+0x97/0x6d0 [ 45.927425][ T481] ? string+0x29f/0x2b0 [ 45.931740][ T481] ? vsnprintf+0x1a6c/0x1b30 [ 45.936320][ T481] kernfs_new_node+0x97/0x170 [ 45.941235][ T481] __kernfs_create_file+0x4a/0x270 [ 45.946346][ T481] cgroup_addrm_files+0x99e/0xeb0 [ 45.951350][ T481] ? delete_node+0x747/0x7a0 [ 45.955917][ T481] css_populate_dir+0x137/0x370 [ 45.960830][ T481] cgroup_apply_control_enable+0x5cd/0xf70 [ 45.966608][ T481] cgroup_apply_control+0x36/0x710 [ 45.971779][ T481] ? init_wait_entry+0xe0/0xe0 [ 45.976516][ T481] ? cgroup_kn_lock_live+0x1af/0x370 [ 45.981773][ T481] cgroup_subtree_control_write+0xd05/0x12d0 [ 45.987818][ T481] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 45.993781][ T481] cgroup_file_write+0x22f/0x4f0 [ 45.998690][ T481] kernfs_fop_write_iter+0x2cd/0x410 [ 46.004324][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.009602][ T481] vfs_write+0xb57/0xe50 [ 46.013837][ T481] ksys_write+0x157/0x260 [ 46.018156][ T481] __x64_sys_write+0x7b/0x90 [ 46.022741][ T481] do_syscall_64+0x34/0x70 [ 46.027134][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.033022][ T481] RIP: 0033:0x7f7be2dda0e9 [ 46.037437][ T481] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.057411][ T481] RSP: 002b:00007f7be2d2f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.065803][ T481] RAX: ffffffffffffffda RBX: 00007f7be2eed030 RCX: 00007f7be2dda0e9 [ 46.073774][ T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.081732][ T481] RBP: 00007f7be2d2f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.089765][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.097713][ T481] R13: 00007ffd139d371f R14: 00007f7be2d2f300 R15: 0000000000022000 [ 46.106187][ T481] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.113296][ T481] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.142197][ C1] !!!!! css_killed_ref_fn css ffff88810d8a4c00 !!! [ 46.148880][ C1] !!!!! css_killed_ref_fn css ffff88810d8a6800 !!! [ 46.155378][ C1] !!!!! css_killed_ref_fn css ffff88810cd83800 !!! [ 46.162083][ T24] !!!!! css_release css ffff88810d8a4c00 !!! [ 46.168087][ T24] !!!!! css_release css ffff88810d8a6800 !!! [ 46.174108][ T24] !!!!! css_release css ffff88810cd83800 !!! [ 46.180210][ T482] FAULT_INJECTION: forcing a failure. [ 46.180210][ T482] name failslab, interval 1, probability 0, space 0, times 0 [ 46.192917][ T482] CPU: 1 PID: 482 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 46.203053][ T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.213084][ T482] Call Trace: [ 46.216355][ T482] dump_stack+0x19c/0x1e2 [ 46.220662][ T482] should_fail+0x3f7/0x5b0 [ 46.225066][ T482] __should_failslab+0xd2/0x130 [ 46.229892][ T482] should_failslab+0x9/0x20 [ 46.234372][ T482] slab_pre_alloc_hook+0x25/0xe0 [ 46.239290][ T482] ? __kernfs_new_node+0x4c/0x6d0 [ 46.244304][ T482] __kmalloc_track_caller+0x70/0x300 [ 46.249567][ T482] ? __kernfs_new_node+0x4c/0x6d0 [ 46.254662][ T482] kstrdup_const+0x55/0x90 [ 46.259687][ T482] __kernfs_new_node+0x4c/0x6d0 [ 46.264553][ T482] ? string+0x29f/0x2b0 [ 46.268689][ T482] ? vsnprintf+0x1a6c/0x1b30 [ 46.273258][ T482] kernfs_new_node+0x97/0x170 [ 46.277910][ T482] __kernfs_create_file+0x4a/0x270 [ 46.282995][ T482] cgroup_addrm_files+0x99e/0xeb0 [ 46.288082][ T482] ? delete_node+0x747/0x7a0 [ 46.292651][ T482] css_populate_dir+0x137/0x370 [ 46.297485][ T482] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.303285][ T482] cgroup_apply_control+0x36/0x710 [ 46.308392][ T482] ? init_wait_entry+0xe0/0xe0 [ 46.313156][ T482] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.318555][ T482] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.324524][ T482] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.330501][ T482] cgroup_file_write+0x22f/0x4f0 [ 46.335435][ T482] kernfs_fop_write_iter+0x2cd/0x410 [ 46.340697][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.345799][ T482] vfs_write+0xb57/0xe50 [ 46.350020][ T482] ksys_write+0x157/0x260 [ 46.354327][ T482] __x64_sys_write+0x7b/0x90 [ 46.359004][ T482] do_syscall_64+0x34/0x70 [ 46.363414][ T482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.369462][ T482] RIP: 0033:0x7fdf9f2ae0e9 [ 46.373867][ T482] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.393537][ T482] RSP: 002b:00007fdf9f203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.402017][ T482] RAX: ffffffffffffffda RBX: 00007fdf9f3c1030 RCX: 00007fdf9f2ae0e9 [ 46.409967][ T482] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.417918][ T482] RBP: 00007fdf9f2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.425869][ T482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.433813][ T482] R13: 00007ffe7a2bbc5f R14: 00007fdf9f203300 R15: 0000000000022000 [ 46.442244][ T482] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.449354][ T482] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.502203][ C1] !!!!! css_killed_ref_fn css ffff88810d735800 !!! [ 46.508758][ C1] !!!!! css_killed_ref_fn css ffff88810d737000 !!! [ 46.515357][ C1] !!!!! css_killed_ref_fn css ffff88810d735400 !!! [ 46.521887][ T24] !!!!! css_release css ffff88810d735800 !!! [ 46.528005][ T24] !!!!! css_release css ffff88810d737000 !!! [ 46.534106][ T24] !!!!! css_release css ffff88810d735400 !!! [ 46.540117][ T477] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.547848][ T483] FAULT_INJECTION: forcing a failure. [ 46.547848][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 46.560683][ T483] CPU: 0 PID: 483 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 46.571016][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.581062][ T483] Call Trace: [ 46.584356][ T483] dump_stack+0x19c/0x1e2 [ 46.588708][ T483] should_fail+0x3f7/0x5b0 [ 46.593109][ T483] __should_failslab+0xd2/0x130 [ 46.597954][ T483] ? __kernfs_new_node+0x97/0x6d0 [ 46.603212][ T483] should_failslab+0x9/0x20 [ 46.607710][ T483] slab_pre_alloc_hook+0x25/0xe0 [ 46.612627][ T483] ? __kernfs_new_node+0x97/0x6d0 [ 46.617629][ T483] kmem_cache_alloc+0x40/0x2a0 [ 46.622368][ T483] __kernfs_new_node+0x97/0x6d0 [ 46.627293][ T483] ? string+0x29f/0x2b0 [ 46.631511][ T483] ? vsnprintf+0x1a6c/0x1b30 [ 46.636075][ T483] kernfs_new_node+0x97/0x170 [ 46.640733][ T483] __kernfs_create_file+0x4a/0x270 [ 46.645817][ T483] cgroup_addrm_files+0x99e/0xeb0 [ 46.650820][ T483] ? delete_node+0x747/0x7a0 [ 46.655382][ T483] css_populate_dir+0x137/0x370 [ 46.660301][ T483] cgroup_apply_control_enable+0x5cd/0xf70 [ 46.666080][ T483] cgroup_apply_control+0x36/0x710 [ 46.671160][ T483] ? init_wait_entry+0xe0/0xe0 [ 46.675894][ T483] ? cgroup_kn_lock_live+0x1af/0x370 [ 46.681150][ T483] cgroup_subtree_control_write+0xd05/0x12d0 [ 46.687099][ T483] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 46.693070][ T483] cgroup_file_write+0x22f/0x4f0 [ 46.697975][ T483] kernfs_fop_write_iter+0x2cd/0x410 [ 46.703228][ T483] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.708327][ T483] vfs_write+0xb57/0xe50 [ 46.712548][ T483] ksys_write+0x157/0x260 [ 46.716858][ T483] __x64_sys_write+0x7b/0x90 [ 46.721429][ T483] do_syscall_64+0x34/0x70 [ 46.725816][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.731686][ T483] RIP: 0033:0x7f056b2ae0e9 [ 46.736072][ T483] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.755657][ T483] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.764040][ T483] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 46.772079][ T483] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.780107][ T483] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.788050][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.795990][ T483] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 46.804826][ T483] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.812009][ T483] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.832182][ C0] !!!!! css_killed_ref_fn css ffff88810db67800 !!! [ 46.838743][ C0] !!!!! css_killed_ref_fn css ffff88810db65c00 !!! [ 46.845259][ C0] !!!!! css_killed_ref_fn css ffff88810db64c00 !!! [ 46.851905][ T444] !!!!! css_release css ffff88810db67800 !!! [ 46.857904][ T444] !!!!! css_release css ffff88810db65c00 !!! [ 46.864012][ T388] !!!!! css_release css ffff88810db64c00 !!! [ 46.870002][ T493] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.870798][ T497] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.879030][ T492] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.885137][ T499] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 46.893667][ T492] FAULT_INJECTION: forcing a failure. [ 46.893667][ T492] name failslab, interval 1, probability 0, space 0, times 0 [ 46.913460][ T492] CPU: 0 PID: 492 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 46.923579][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.933626][ T492] Call Trace: [ 46.936891][ T492] dump_stack+0x19c/0x1e2 [ 46.941204][ T492] should_fail+0x3f7/0x5b0 [ 46.945596][ T492] __should_failslab+0xd2/0x130 [ 46.950418][ T492] should_failslab+0x9/0x20 [ 46.954893][ T492] slab_pre_alloc_hook+0x25/0xe0 [ 46.959803][ T492] ? __kernfs_new_node+0x4c/0x6d0 [ 46.964890][ T492] __kmalloc_track_caller+0x70/0x300 [ 46.970149][ T492] ? __kernfs_new_node+0x4c/0x6d0 [ 46.975151][ T492] kstrdup_const+0x55/0x90 [ 46.979543][ T492] __kernfs_new_node+0x4c/0x6d0 [ 46.984630][ T492] ? string+0x29f/0x2b0 [ 46.988758][ T492] ? vsnprintf+0x1a6c/0x1b30 [ 46.993325][ T492] kernfs_new_node+0x97/0x170 [ 46.997977][ T492] __kernfs_create_file+0x4a/0x270 [ 47.003061][ T492] cgroup_addrm_files+0x99e/0xeb0 [ 47.008073][ T492] ? delete_node+0x747/0x7a0 [ 47.012655][ T492] css_populate_dir+0x137/0x370 [ 47.017492][ T492] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.023288][ T492] cgroup_apply_control+0x36/0x710 [ 47.028374][ T492] ? init_wait_entry+0xe0/0xe0 [ 47.033112][ T492] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.038371][ T492] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.044330][ T492] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.050292][ T492] cgroup_file_write+0x22f/0x4f0 [ 47.055382][ T492] kernfs_fop_write_iter+0x2cd/0x410 [ 47.060639][ T492] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.065724][ T492] vfs_write+0xb57/0xe50 [ 47.069951][ T492] ksys_write+0x157/0x260 [ 47.074279][ T492] __x64_sys_write+0x7b/0x90 [ 47.078842][ T492] do_syscall_64+0x34/0x70 [ 47.083235][ T492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.089102][ T492] RIP: 0033:0x7f02a3e740e9 [ 47.093515][ T492] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.113538][ T492] RSP: 002b:00007f02a3dea168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.121949][ T492] RAX: ffffffffffffffda RBX: 00007f02a3f86f60 RCX: 00007f02a3e740e9 [ 47.129901][ T492] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.137947][ T492] RBP: 00007f02a3dea1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.146181][ T492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.154240][ T492] R13: 00007ffe1488efaf R14: 00007f02a3dea300 R15: 0000000000022000 [ 47.162717][ T492] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.164677][ T23] audit: type=1400 audit(1654110860.429:159): avc: denied { remove_name } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 47.170162][ T492] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.193362][ T23] audit: type=1400 audit(1654110860.429:160): avc: denied { rename } for pid=141 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 47.223328][ T23] audit: type=1400 audit(1654110860.429:161): avc: denied { create } for pid=141 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 47.262157][ C0] !!!!! css_killed_ref_fn css ffff88810cd86c00 !!! [ 47.268701][ C0] !!!!! css_killed_ref_fn css ffff88810cd86800 !!! [ 47.275288][ C0] !!!!! css_killed_ref_fn css ffff88810cd86400 !!! [ 47.281827][ T388] !!!!! css_release css ffff88810cd86c00 !!! [ 47.288240][ T388] !!!!! css_release css ffff88810cd86800 !!! [ 47.294670][ T388] !!!!! css_release css ffff88810cd86400 !!! [ 47.300673][ T501] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.301086][ T504] FAULT_INJECTION: forcing a failure. [ 47.301086][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 47.320927][ T504] CPU: 1 PID: 504 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 47.331271][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.341307][ T504] Call Trace: [ 47.344724][ T504] dump_stack+0x19c/0x1e2 [ 47.349035][ T504] should_fail+0x3f7/0x5b0 [ 47.353430][ T504] __should_failslab+0xd2/0x130 [ 47.358259][ T504] should_failslab+0x9/0x20 [ 47.362756][ T504] slab_pre_alloc_hook+0x25/0xe0 [ 47.367679][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 47.372688][ T504] __kmalloc_track_caller+0x70/0x300 [ 47.377952][ T504] ? __kernfs_new_node+0x4c/0x6d0 [ 47.382951][ T504] kstrdup_const+0x55/0x90 [ 47.387343][ T504] __kernfs_new_node+0x4c/0x6d0 [ 47.392180][ T504] ? string+0x29f/0x2b0 [ 47.396327][ T504] ? vsnprintf+0x1a6c/0x1b30 [ 47.400901][ T504] kernfs_new_node+0x97/0x170 [ 47.405648][ T504] __kernfs_create_file+0x4a/0x270 [ 47.410735][ T504] cgroup_addrm_files+0x99e/0xeb0 [ 47.415750][ T504] ? delete_node+0x747/0x7a0 [ 47.420345][ T504] css_populate_dir+0x137/0x370 [ 47.425176][ T504] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.430960][ T504] cgroup_apply_control+0x36/0x710 [ 47.436047][ T504] ? init_wait_entry+0xe0/0xe0 [ 47.440802][ T504] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.446066][ T504] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.452039][ T504] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.457995][ T504] cgroup_file_write+0x22f/0x4f0 [ 47.463267][ T504] kernfs_fop_write_iter+0x2cd/0x410 [ 47.468535][ T504] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.473622][ T504] vfs_write+0xb57/0xe50 [ 47.477840][ T504] ksys_write+0x157/0x260 [ 47.482187][ T504] __x64_sys_write+0x7b/0x90 [ 47.486755][ T504] do_syscall_64+0x34/0x70 [ 47.491169][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.497062][ T504] RIP: 0033:0x7f0ba19070e9 [ 47.501473][ T504] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.521174][ T504] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.529572][ T504] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 47.537728][ T504] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.545684][ T504] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.553668][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.561886][ T504] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 47.570544][ T504] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.578810][ T504] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.602161][ C1] !!!!! css_killed_ref_fn css ffff88810dcc1400 !!! [ 47.608807][ C1] !!!!! css_killed_ref_fn css ffff88810dcc1000 !!! [ 47.615326][ C1] !!!!! css_killed_ref_fn css ffff88810dcc3c00 !!! [ 47.621874][ T384] !!!!! css_release css ffff88810dcc1400 !!! [ 47.627884][ T384] !!!!! css_release css ffff88810dcc1000 !!! [ 47.633988][ T384] !!!!! css_release css ffff88810dcc3c00 !!! [ 47.639992][ T511] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.642553][ T506] FAULT_INJECTION: forcing a failure. [ 47.642553][ T506] name failslab, interval 1, probability 0, space 0, times 0 [ 47.661395][ T506] CPU: 1 PID: 506 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 47.671522][ T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.681648][ T506] Call Trace: [ 47.684936][ T506] dump_stack+0x19c/0x1e2 [ 47.689259][ T506] should_fail+0x3f7/0x5b0 [ 47.693753][ T506] __should_failslab+0xd2/0x130 [ 47.698583][ T506] should_failslab+0x9/0x20 [ 47.703153][ T506] slab_pre_alloc_hook+0x25/0xe0 [ 47.708065][ T506] ? __kernfs_new_node+0x4c/0x6d0 [ 47.713267][ T506] __kmalloc_track_caller+0x70/0x300 [ 47.718541][ T506] ? __kernfs_new_node+0x4c/0x6d0 [ 47.723539][ T506] kstrdup_const+0x55/0x90 [ 47.727928][ T506] __kernfs_new_node+0x4c/0x6d0 [ 47.732750][ T506] ? string+0x29f/0x2b0 [ 47.736875][ T506] ? vsnprintf+0x1a6c/0x1b30 [ 47.741439][ T506] kernfs_new_node+0x97/0x170 [ 47.746093][ T506] __kernfs_create_file+0x4a/0x270 [ 47.751184][ T506] cgroup_addrm_files+0x99e/0xeb0 [ 47.756185][ T506] ? delete_node+0x747/0x7a0 [ 47.760759][ T506] css_populate_dir+0x137/0x370 [ 47.765585][ T506] cgroup_apply_control_enable+0x5cd/0xf70 [ 47.771552][ T506] cgroup_apply_control+0x36/0x710 [ 47.776677][ T506] ? init_wait_entry+0xe0/0xe0 [ 47.781435][ T506] ? cgroup_kn_lock_live+0x1af/0x370 [ 47.786705][ T506] cgroup_subtree_control_write+0xd05/0x12d0 [ 47.792667][ T506] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 47.798804][ T506] cgroup_file_write+0x22f/0x4f0 [ 47.803717][ T506] kernfs_fop_write_iter+0x2cd/0x410 [ 47.808982][ T506] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.814068][ T506] vfs_write+0xb57/0xe50 [ 47.818288][ T506] ksys_write+0x157/0x260 [ 47.822591][ T506] __x64_sys_write+0x7b/0x90 [ 47.827241][ T506] do_syscall_64+0x34/0x70 [ 47.831632][ T506] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.837521][ T506] RIP: 0033:0x7f056b2ae0e9 [ 47.841932][ T506] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 47.861648][ T506] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.870160][ T506] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 47.878141][ T506] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.886179][ T506] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.894132][ T506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.902099][ T506] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 47.910773][ T506] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.918105][ T506] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.942192][ C0] !!!!! css_killed_ref_fn css ffff88810dcc0c00 !!! [ 47.948753][ C0] !!!!! css_killed_ref_fn css ffff88810dcc1c00 !!! [ 47.955254][ C0] !!!!! css_killed_ref_fn css ffff88810dcc3800 !!! [ 47.961905][ T444] !!!!! css_release css ffff88810dcc0c00 !!! [ 47.967910][ T444] !!!!! css_release css ffff88810dcc1c00 !!! [ 47.974642][ T444] !!!!! css_release css ffff88810dcc3800 !!! [ 47.980639][ T508] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.980660][ T498] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 47.988402][ T503] FAULT_INJECTION: forcing a failure. [ 47.988402][ T503] name failslab, interval 1, probability 0, space 0, times 0 [ 47.988414][ T503] CPU: 0 PID: 503 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 47.988419][ T503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.988423][ T503] Call Trace: [ 47.988436][ T503] dump_stack+0x19c/0x1e2 [ 47.988447][ T503] should_fail+0x3f7/0x5b0 [ 47.988458][ T503] __should_failslab+0xd2/0x130 [ 47.988467][ T503] should_failslab+0x9/0x20 [ 47.988476][ T503] slab_pre_alloc_hook+0x25/0xe0 [ 47.988486][ T503] ? __kernfs_new_node+0x4c/0x6d0 [ 47.988493][ T503] __kmalloc_track_caller+0x70/0x300 [ 47.988502][ T503] ? __kernfs_new_node+0x4c/0x6d0 [ 47.988516][ T503] kstrdup_const+0x55/0x90 [ 48.074938][ T503] __kernfs_new_node+0x4c/0x6d0 [ 48.079761][ T503] ? string+0x29f/0x2b0 [ 48.083895][ T503] ? vsnprintf+0x1a6c/0x1b30 [ 48.088473][ T503] kernfs_new_node+0x97/0x170 [ 48.093130][ T503] __kernfs_create_file+0x4a/0x270 [ 48.098221][ T503] cgroup_addrm_files+0x99e/0xeb0 [ 48.103245][ T503] ? delete_node+0x747/0x7a0 [ 48.107807][ T503] css_populate_dir+0x137/0x370 [ 48.112632][ T503] cgroup_apply_control_enable+0x5cd/0xf70 [ 48.118409][ T503] cgroup_apply_control+0x36/0x710 [ 48.123498][ T503] ? init_wait_entry+0xe0/0xe0 [ 48.128386][ T503] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.133647][ T503] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.139600][ T503] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.145568][ T503] cgroup_file_write+0x22f/0x4f0 [ 48.150487][ T503] kernfs_fop_write_iter+0x2cd/0x410 [ 48.155931][ T503] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.161026][ T503] vfs_write+0xb57/0xe50 [ 48.165280][ T503] ksys_write+0x157/0x260 [ 48.169606][ T503] __x64_sys_write+0x7b/0x90 [ 48.174180][ T503] do_syscall_64+0x34/0x70 [ 48.178589][ T503] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.184497][ T503] RIP: 0033:0x7f7be2dda0e9 [ 48.188890][ T503] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.208566][ T503] RSP: 002b:00007f7be2d2f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.216978][ T503] RAX: ffffffffffffffda RBX: 00007f7be2eed030 RCX: 00007f7be2dda0e9 [ 48.224934][ T503] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.233067][ T503] RBP: 00007f7be2d2f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.241119][ T503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.249097][ T503] R13: 00007ffd139d371f R14: 00007f7be2d2f300 R15: 0000000000022000 [ 48.257993][ T503] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.265235][ T503] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 48.302205][ C1] !!!!! css_killed_ref_fn css ffff88810dba3800 !!! [ 48.308774][ C1] !!!!! css_killed_ref_fn css ffff88810dba2000 !!! [ 48.315368][ C1] !!!!! css_killed_ref_fn css ffff88810dba1400 !!! [ 48.321960][ T384] !!!!! css_release css ffff88810dba3800 !!! [ 48.328047][ T384] !!!!! css_release css ffff88810dba2000 !!! [ 48.334511][ T384] !!!!! css_release css ffff88810dba1400 !!! [ 48.341048][ T505] FAULT_INJECTION: forcing a failure. [ 48.341048][ T505] name failslab, interval 1, probability 0, space 0, times 0 [ 48.353761][ T505] CPU: 0 PID: 505 Comm: syz-executor.2 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 48.363885][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.373915][ T505] Call Trace: [ 48.377181][ T505] dump_stack+0x19c/0x1e2 [ 48.381484][ T505] should_fail+0x3f7/0x5b0 [ 48.385895][ T505] __should_failslab+0xd2/0x130 [ 48.390733][ T505] should_failslab+0x9/0x20 [ 48.395233][ T505] slab_pre_alloc_hook+0x25/0xe0 [ 48.400159][ T505] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.405422][ T505] ? percpu_ref_init+0xd0/0x330 [ 48.410260][ T505] percpu_ref_init+0xd0/0x330 [ 48.414946][ T505] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.420041][ T505] cgroup_apply_control_enable+0x3d2/0xf70 [ 48.426012][ T505] cgroup_apply_control+0x36/0x710 [ 48.431235][ T505] ? init_wait_entry+0xe0/0xe0 [ 48.436025][ T505] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.441286][ T505] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.447261][ T505] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.453228][ T505] cgroup_file_write+0x22f/0x4f0 [ 48.458237][ T505] kernfs_fop_write_iter+0x2cd/0x410 [ 48.463502][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.468591][ T505] vfs_write+0xb57/0xe50 [ 48.472817][ T505] ksys_write+0x157/0x260 [ 48.477173][ T505] __x64_sys_write+0x7b/0x90 [ 48.481833][ T505] do_syscall_64+0x34/0x70 [ 48.486226][ T505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.492190][ T505] RIP: 0033:0x7fdf9f2ae0e9 [ 48.496579][ T505] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.516169][ T505] RSP: 002b:00007fdf9f203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.524569][ T505] RAX: ffffffffffffffda RBX: 00007fdf9f3c1030 RCX: 00007fdf9f2ae0e9 [ 48.532521][ T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.540471][ T505] RBP: 00007fdf9f2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.548609][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.556563][ T505] R13: 00007ffe7a2bbc5f R14: 00007fdf9f203300 R15: 0000000000022000 [ 48.565542][ T505] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 48.612429][ C0] !!!!! css_killed_ref_fn css ffff88810e439000 !!! [ 48.618985][ C0] !!!!! css_killed_ref_fn css ffff88810e43bc00 !!! [ 48.625589][ T74] !!!!! css_release css ffff88810e439000 !!! [ 48.631570][ T74] !!!!! css_release css ffff88810e43bc00 !!! [ 48.638296][ T509] FAULT_INJECTION: forcing a failure. [ 48.638296][ T509] name failslab, interval 1, probability 0, space 0, times 0 [ 48.651043][ T509] CPU: 1 PID: 509 Comm: syz-executor.3 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 48.661167][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.671292][ T509] Call Trace: [ 48.674584][ T509] dump_stack+0x19c/0x1e2 [ 48.678901][ T509] should_fail+0x3f7/0x5b0 [ 48.683386][ T509] __should_failslab+0xd2/0x130 [ 48.688293][ T509] should_failslab+0x9/0x20 [ 48.692770][ T509] slab_pre_alloc_hook+0x25/0xe0 [ 48.697692][ T509] kmem_cache_alloc_trace+0x47/0x2b0 [ 48.702947][ T509] ? percpu_ref_init+0xd0/0x330 [ 48.707769][ T509] percpu_ref_init+0xd0/0x330 [ 48.712683][ T509] ? cgroup_setup_root+0x8a0/0x8a0 [ 48.717897][ T509] cgroup_apply_control_enable+0x3d2/0xf70 [ 48.723692][ T509] cgroup_apply_control+0x36/0x710 [ 48.728777][ T509] ? init_wait_entry+0xe0/0xe0 [ 48.733518][ T509] ? cgroup_kn_lock_live+0x1af/0x370 [ 48.738775][ T509] cgroup_subtree_control_write+0xd05/0x12d0 [ 48.744735][ T509] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 48.750685][ T509] cgroup_file_write+0x22f/0x4f0 [ 48.755595][ T509] kernfs_fop_write_iter+0x2cd/0x410 [ 48.760865][ T509] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.765959][ T509] vfs_write+0xb57/0xe50 [ 48.770260][ T509] ksys_write+0x157/0x260 [ 48.774575][ T509] __x64_sys_write+0x7b/0x90 [ 48.779233][ T509] do_syscall_64+0x34/0x70 [ 48.783619][ T509] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.789565][ T509] RIP: 0033:0x7f02a3e740e9 [ 48.793962][ T509] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 48.813710][ T509] RSP: 002b:00007f02a3dc9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.822093][ T509] RAX: ffffffffffffffda RBX: 00007f02a3f87030 RCX: 00007f02a3e740e9 [ 48.830036][ T509] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.837990][ T509] RBP: 00007f02a3dc91d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.846018][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.853963][ T509] R13: 00007ffe1488efaf R14: 00007f02a3dc9300 R15: 0000000000022000 [ 48.862744][ T509] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 48.912222][ C1] !!!!! css_killed_ref_fn css ffff88810e5f1400 !!! [ 48.919053][ C1] !!!!! css_killed_ref_fn css ffff88810e740800 !!! [ 48.925625][ T384] !!!!! css_release css ffff88810e5f1400 !!! [ 48.931787][ T384] !!!!! css_release css ffff88810e740800 !!! [ 48.937994][ T523] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 48.938201][ T502] FAULT_INJECTION: forcing a failure. [ 48.938201][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 48.958273][ T502] CPU: 0 PID: 502 Comm: syz-executor.0 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 48.968409][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.978447][ T502] Call Trace: [ 48.981719][ T502] dump_stack+0x19c/0x1e2 [ 48.986028][ T502] should_fail+0x3f7/0x5b0 [ 48.990571][ T502] __should_failslab+0xd2/0x130 [ 48.995422][ T502] should_failslab+0x9/0x20 [ 48.999929][ T502] slab_pre_alloc_hook+0x25/0xe0 [ 49.004852][ T502] ? __kernfs_new_node+0x4c/0x6d0 [ 49.009924][ T502] __kmalloc_track_caller+0x70/0x300 [ 49.015205][ T502] ? __kernfs_new_node+0x4c/0x6d0 [ 49.020296][ T502] kstrdup_const+0x55/0x90 [ 49.024860][ T502] __kernfs_new_node+0x4c/0x6d0 [ 49.029692][ T502] ? string+0x29f/0x2b0 [ 49.033825][ T502] ? vsnprintf+0x1a6c/0x1b30 [ 49.038392][ T502] kernfs_new_node+0x97/0x170 [ 49.043121][ T502] __kernfs_create_file+0x4a/0x270 [ 49.048212][ T502] cgroup_addrm_files+0x99e/0xeb0 [ 49.053301][ T502] ? delete_node+0x747/0x7a0 [ 49.058084][ T502] css_populate_dir+0x137/0x370 [ 49.062930][ T502] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.068730][ T502] cgroup_apply_control+0x36/0x710 [ 49.074167][ T502] ? init_wait_entry+0xe0/0xe0 [ 49.079016][ T502] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.084305][ T502] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.090268][ T502] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.096233][ T502] cgroup_file_write+0x22f/0x4f0 [ 49.101157][ T502] kernfs_fop_write_iter+0x2cd/0x410 [ 49.106423][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.111515][ T502] vfs_write+0xb57/0xe50 [ 49.115837][ T502] ksys_write+0x157/0x260 [ 49.120140][ T502] __x64_sys_write+0x7b/0x90 [ 49.124717][ T502] do_syscall_64+0x34/0x70 [ 49.129111][ T502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.134991][ T502] RIP: 0033:0x7fa4459bb0e9 [ 49.139381][ T502] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.159675][ T502] RSP: 002b:00007fa445910168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.168079][ T502] RAX: ffffffffffffffda RBX: 00007fa445ace030 RCX: 00007fa4459bb0e9 [ 49.176065][ T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.184039][ T502] RBP: 00007fa4459101d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.191991][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.200052][ T502] R13: 00007ffd222b7a0f R14: 00007fa445910300 R15: 0000000000022000 [ 49.209753][ T502] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.216974][ T502] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 49.242180][ C0] !!!!! css_killed_ref_fn css ffff88810e719800 !!! [ 49.248923][ C0] !!!!! css_killed_ref_fn css ffff88810e71b400 !!! [ 49.255730][ C0] !!!!! css_killed_ref_fn css ffff88810e718400 !!! [ 49.262606][ T74] !!!!! css_release css ffff88810e719800 !!! [ 49.268645][ T107] !!!!! css_release css ffff88810e71b400 !!! [ 49.275381][ T107] !!!!! css_release css ffff88810e718400 !!! [ 49.281403][ T517] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 49.281451][ T514] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 49.289190][ T512] FAULT_INJECTION: forcing a failure. [ 49.289190][ T512] name failslab, interval 1, probability 0, space 0, times 0 [ 49.309337][ T512] CPU: 0 PID: 512 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 49.319651][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.329775][ T512] Call Trace: [ 49.333041][ T512] dump_stack+0x19c/0x1e2 [ 49.337344][ T512] should_fail+0x3f7/0x5b0 [ 49.341729][ T512] __should_failslab+0xd2/0x130 [ 49.346547][ T512] should_failslab+0x9/0x20 [ 49.351023][ T512] slab_pre_alloc_hook+0x25/0xe0 [ 49.355932][ T512] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.361188][ T512] ? percpu_ref_init+0xd0/0x330 [ 49.366008][ T512] percpu_ref_init+0xd0/0x330 [ 49.370782][ T512] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.375890][ T512] cgroup_apply_control_enable+0x3d2/0xf70 [ 49.381685][ T512] cgroup_apply_control+0x36/0x710 [ 49.386903][ T512] ? init_wait_entry+0xe0/0xe0 [ 49.391753][ T512] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.397014][ T512] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.403086][ T512] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.409046][ T512] cgroup_file_write+0x22f/0x4f0 [ 49.413955][ T512] kernfs_fop_write_iter+0x2cd/0x410 [ 49.419303][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.424388][ T512] vfs_write+0xb57/0xe50 [ 49.428611][ T512] ksys_write+0x157/0x260 [ 49.432911][ T512] __x64_sys_write+0x7b/0x90 [ 49.437471][ T512] do_syscall_64+0x34/0x70 [ 49.441859][ T512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.447720][ T512] RIP: 0033:0x7f0ba19070e9 [ 49.452110][ T512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.471774][ T512] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.480168][ T512] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 49.488120][ T512] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.496065][ T512] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.504011][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.511962][ T512] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 49.521693][ T512] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 49.562178][ C0] !!!!! css_killed_ref_fn css ffff88810e698400 !!! [ 49.568732][ C0] !!!!! css_killed_ref_fn css ffff88810e730400 !!! [ 49.575292][ T74] !!!!! css_release css ffff88810e698400 !!! [ 49.581281][ T74] !!!!! css_release css ffff88810e730400 !!! [ 49.587713][ T515] FAULT_INJECTION: forcing a failure. [ 49.587713][ T515] name failslab, interval 1, probability 0, space 0, times 0 [ 49.600387][ T515] CPU: 0 PID: 515 Comm: syz-executor.4 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 49.610691][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.620818][ T515] Call Trace: [ 49.624097][ T515] dump_stack+0x19c/0x1e2 [ 49.628404][ T515] should_fail+0x3f7/0x5b0 [ 49.632800][ T515] __should_failslab+0xd2/0x130 [ 49.638421][ T515] should_failslab+0x9/0x20 [ 49.642899][ T515] slab_pre_alloc_hook+0x25/0xe0 [ 49.647823][ T515] kmem_cache_alloc_trace+0x47/0x2b0 [ 49.653177][ T515] ? percpu_ref_init+0xd0/0x330 [ 49.658013][ T515] percpu_ref_init+0xd0/0x330 [ 49.662683][ T515] ? cgroup_setup_root+0x8a0/0x8a0 [ 49.667769][ T515] cgroup_apply_control_enable+0x3d2/0xf70 [ 49.673551][ T515] cgroup_apply_control+0x36/0x710 [ 49.678641][ T515] ? init_wait_entry+0xe0/0xe0 [ 49.683383][ T515] ? cgroup_kn_lock_live+0x1af/0x370 [ 49.688653][ T515] cgroup_subtree_control_write+0xd05/0x12d0 [ 49.694612][ T515] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 49.700579][ T515] cgroup_file_write+0x22f/0x4f0 [ 49.705495][ T515] kernfs_fop_write_iter+0x2cd/0x410 [ 49.711018][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.716278][ T515] vfs_write+0xb57/0xe50 [ 49.720499][ T515] ksys_write+0x157/0x260 [ 49.724808][ T515] __x64_sys_write+0x7b/0x90 [ 49.729379][ T515] do_syscall_64+0x34/0x70 [ 49.733782][ T515] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.739649][ T515] RIP: 0033:0x7f056b2ae0e9 [ 49.744046][ T515] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 49.763628][ T515] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.772031][ T515] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 49.779982][ T515] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.787928][ T515] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.795874][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.803826][ T515] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 49.812261][ T515] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 49.842172][ C0] !!!!! css_killed_ref_fn css ffff88810e75bc00 !!! [ 49.848740][ C0] !!!!! css_killed_ref_fn css ffff88810e758800 !!! [ 49.855623][ T74] !!!!! css_release css ffff88810e75bc00 !!! [ 49.861797][ T74] !!!!! css_release css ffff88810e758800 !!! [ 49.868051][ T518] FAULT_INJECTION: forcing a failure. [ 49.868051][ T518] name failslab, interval 1, probability 0, space 0, times 0 [ 49.880775][ T518] CPU: 1 PID: 518 Comm: syz-executor.1 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 49.890922][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.900980][ T518] Call Trace: [ 49.904260][ T518] dump_stack+0x19c/0x1e2 [ 49.908597][ T518] should_fail+0x3f7/0x5b0 [ 49.913130][ T518] __should_failslab+0xd2/0x130 [ 49.917978][ T518] should_failslab+0x9/0x20 [ 49.922648][ T518] slab_pre_alloc_hook+0x25/0xe0 [ 49.927999][ T518] ? __kernfs_new_node+0x4c/0x6d0 [ 49.933089][ T518] __kmalloc_track_caller+0x70/0x300 [ 49.938648][ T518] ? __kernfs_new_node+0x4c/0x6d0 [ 49.943738][ T518] kstrdup_const+0x55/0x90 [ 49.948246][ T518] __kernfs_new_node+0x4c/0x6d0 [ 49.953090][ T518] ? string+0x29f/0x2b0 [ 49.957269][ T518] ? vsnprintf+0x1a6c/0x1b30 [ 49.961843][ T518] kernfs_new_node+0x97/0x170 [ 49.966596][ T518] __kernfs_create_file+0x4a/0x270 [ 49.971689][ T518] cgroup_addrm_files+0x99e/0xeb0 [ 49.976696][ T518] ? delete_node+0x747/0x7a0 [ 49.981277][ T518] css_populate_dir+0x137/0x370 [ 49.986122][ T518] cgroup_apply_control_enable+0x5cd/0xf70 [ 49.991919][ T518] cgroup_apply_control+0x36/0x710 [ 49.997026][ T518] ? init_wait_entry+0xe0/0xe0 [ 50.001778][ T518] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.007064][ T518] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.013146][ T518] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.019114][ T518] cgroup_file_write+0x22f/0x4f0 [ 50.024050][ T518] kernfs_fop_write_iter+0x2cd/0x410 [ 50.029672][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.034782][ T518] vfs_write+0xb57/0xe50 [ 50.039114][ T518] ksys_write+0x157/0x260 [ 50.043437][ T518] __x64_sys_write+0x7b/0x90 [ 50.048014][ T518] do_syscall_64+0x34/0x70 [ 50.052412][ T518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.058283][ T518] RIP: 0033:0x7f7be2dda0e9 [ 50.062674][ T518] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.082348][ T518] RSP: 002b:00007f7be2d2f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.090741][ T518] RAX: ffffffffffffffda RBX: 00007f7be2eed030 RCX: 00007f7be2dda0e9 [ 50.098782][ T518] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.106734][ T518] RBP: 00007f7be2d2f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.114682][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.122658][ T518] R13: 00007ffd139d371f R14: 00007f7be2d2f300 R15: 0000000000022000 [ 50.130964][ T518] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.138167][ T518] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 50.172201][ C1] !!!!! css_killed_ref_fn css ffff88810e928400 !!! [ 50.178763][ C1] !!!!! css_killed_ref_fn css ffff88810e92a400 !!! [ 50.185289][ C1] !!!!! css_killed_ref_fn css ffff88810e92a800 !!! [ 50.192297][ T389] !!!!! css_release css ffff88810e928400 !!! [ 50.198375][ T389] !!!!! css_release css ffff88810e92a400 !!! [ 50.204631][ T389] !!!!! css_release css ffff88810e92a800 !!! [ 50.210802][ T529] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 50.211210][ T526] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 50.218700][ T530] FAULT_INJECTION: forcing a failure. [ 50.218700][ T530] name failslab, interval 1, probability 0, space 0, times 0 [ 50.238349][ T530] CPU: 1 PID: 530 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 50.248526][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.258567][ T530] Call Trace: [ 50.261844][ T530] dump_stack+0x19c/0x1e2 [ 50.266247][ T530] should_fail+0x3f7/0x5b0 [ 50.270647][ T530] __should_failslab+0xd2/0x130 [ 50.275590][ T530] should_failslab+0x9/0x20 [ 50.280112][ T530] slab_pre_alloc_hook+0x25/0xe0 [ 50.285044][ T530] ? __kernfs_new_node+0x4c/0x6d0 [ 50.290051][ T530] __kmalloc_track_caller+0x70/0x300 [ 50.295500][ T530] ? __kernfs_new_node+0x4c/0x6d0 [ 50.300509][ T530] kstrdup_const+0x55/0x90 [ 50.305005][ T530] __kernfs_new_node+0x4c/0x6d0 [ 50.309845][ T530] ? string+0x29f/0x2b0 [ 50.313987][ T530] ? vsnprintf+0x1a6c/0x1b30 [ 50.318556][ T530] kernfs_new_node+0x97/0x170 [ 50.323208][ T530] __kernfs_create_file+0x4a/0x270 [ 50.328405][ T530] cgroup_addrm_files+0x99e/0xeb0 [ 50.333413][ T530] ? delete_node+0x747/0x7a0 [ 50.337981][ T530] css_populate_dir+0x137/0x370 [ 50.342806][ T530] cgroup_apply_control_enable+0x5cd/0xf70 [ 50.348591][ T530] cgroup_apply_control+0x36/0x710 [ 50.353680][ T530] ? init_wait_entry+0xe0/0xe0 [ 50.358596][ T530] ? cgroup_kn_lock_live+0x1af/0x370 [ 50.363868][ T530] cgroup_subtree_control_write+0xd05/0x12d0 [ 50.369837][ T530] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 50.375808][ T530] cgroup_file_write+0x22f/0x4f0 [ 50.380749][ T530] kernfs_fop_write_iter+0x2cd/0x410 [ 50.386101][ T530] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.392060][ T530] vfs_write+0xb57/0xe50 [ 50.396487][ T530] ksys_write+0x157/0x260 [ 50.400799][ T530] __x64_sys_write+0x7b/0x90 [ 50.405379][ T530] do_syscall_64+0x34/0x70 [ 50.409771][ T530] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.415639][ T530] RIP: 0033:0x7f0ba19070e9 [ 50.420130][ T530] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.440251][ T530] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.448759][ T530] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 50.456726][ T530] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.464680][ T530] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 2022/06/01 19:14:23 executed programs: 33 [ 50.473080][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.481119][ T530] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 50.489240][ T530] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.496662][ T530] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 50.506052][ T428] ------------[ cut here ]------------ [ 50.511549][ T428] WARNING: CPU: 1 PID: 428 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 50.520516][ T428] Modules linked in: [ 50.524416][ C1] !!!!! css_killed_ref_fn css ffff88810e685400 !!! [ 50.524435][ C1] !!!!! css_killed_ref_fn css ffff88810d150800 !!! [ 50.524440][ C1] ------------[ cut here ]------------ [ 50.524450][ C1] percpu ref (css_release) <= 0 (0) after switching to atomic [ 50.524509][ C1] WARNING: CPU: 1 PID: 428 at lib/percpu-refcount.c:196 percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 50.524511][ C1] Modules linked in: [ 50.524521][ C1] CPU: 1 PID: 428 Comm: syz-executor.5 Not tainted 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 50.524525][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.524533][ C1] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x521/0x5e0 [ 50.524539][ C1] Code: 00 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ff e8 33 6c 64 ff 49 8b 17 48 c7 c7 60 d4 02 85 48 89 de 31 c0 e8 9f b6 01 ff <0f> 0b e9 2d fd ff ff e8 b3 d5 2c ff 0f 0b e9 87 fe ff ff 48 c7 c1 [ 50.524543][ C1] RSP: 0018:ffffc90000160d50 EFLAGS: 00010246 [ 50.524550][ C1] RAX: 213fe97337a8cc00 RBX: ffffffff81610260 RCX: ffff888108372dc0 [ 50.524554][ C1] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 50.524558][ C1] RBP: ffffc90000160d98 R08: ffffffff81514558 R09: ffffed103ee24e73 [ 50.524562][ C1] R10: ffffed103ee24e73 R11: 1ffff1103ee24e72 R12: ffff88810ddbfc20 [ 50.524566][ C1] R13: 0000000000000008 R14: 1ffff11021bb7f80 R15: ffff88810ddbfc00 [ 50.524572][ C1] FS: 000055555734c400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 50.524576][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.524579][ C1] CR2: 00005555574b7b78 CR3: 0000000117ed1000 CR4: 00000000003506a0 [ 50.524588][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.524592][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.524594][ C1] Call Trace: [ 50.524596][ C1] [ 50.524604][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 50.524609][ C1] rcu_do_batch+0x4ad/0xb00 [ 50.524615][ C1] rcu_core+0x64a/0xdf0 [ 50.524621][ C1] ? sched_clock_cpu+0x1b/0x3e0 [ 50.524628][ C1] rcu_core_si+0x9/0x10 [ 50.524638][ C1] __do_softirq+0x253/0x67b [ 50.524649][ C1] asm_call_irq_on_stack+0xf/0x20 [ 50.524653][ C1] [ 50.524664][ C1] do_softirq_own_stack+0x60/0x80 [ 50.524675][ C1] __irq_exit_rcu+0x152/0x1e0 [ 50.524686][ C1] irq_exit_rcu+0x9/0x10 [ 50.524696][ C1] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 50.524702][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 50.524709][ C1] RIP: 0010:console_unlock+0xae5/0xe80 [ 50.524714][ C1] Code: 00 48 c7 c7 e0 99 45 86 e8 a8 fe 0c 03 f6 c3 01 0f 85 64 03 00 00 e8 ba 64 00 00 48 8b 44 24 18 48 89 44 24 70 ff 74 24 70 9d <48> 8b 44 24 08 42 80 3c 28 00 74 0d 48 8d bc 24 f0 00 00 00 e8 f2 [ 50.524718][ C1] RSP: 0018:ffffc90000d278a0 EFLAGS: 00000246 [ 50.524723][ C1] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff888108372dc0 [ 50.524727][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 50.524731][ C1] RBP: ffffc90000d279e8 R08: ffffffff815140d1 R09: fffff520001a4f0c [ 50.524735][ C1] R10: fffff520001a4f0c R11: 1ffff920001a4f0b R12: 1ffffffff0bbe61d [ 50.524739][ C1] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff85df30b0 [ 50.524745][ C1] ? console_unlock+0xab1/0xe80 [ 50.524753][ C1] ? __kasan_check_write+0x14/0x20 [ 50.524759][ C1] ? _raw_spin_lock_irqsave+0xa2/0x220 [ 50.524764][ C1] ? console_trylock+0xff/0x130 [ 50.524770][ C1] vprintk_emit+0x149/0x340 [ 50.524776][ C1] vprintk_default+0x26/0x30 [ 50.524781][ C1] vprintk_func+0x19d/0x1e0 [ 50.524786][ C1] printk+0x76/0x96 [ 50.524792][ C1] ? wake_up_klogd+0xb8/0xf0 [ 50.524797][ C1] ? memset+0x35/0x40 [ 50.524803][ C1] print_modules+0xa2/0x180 [ 50.524808][ C1] ? printk+0x76/0x96 [ 50.524813][ C1] __warn+0xf5/0x270 [ 50.524818][ C1] ? mntput_no_expire+0x3fc/0x600 [ 50.524824][ C1] report_bug+0x41b/0x580 [ 50.524830][ C1] ? mntput_no_expire+0x3fc/0x600 [ 50.524834][ C1] handle_bug+0x41/0x70 [ 50.524839][ C1] exc_invalid_op+0x1b/0x50 [ 50.524844][ C1] asm_exc_invalid_op+0x12/0x20 [ 50.524850][ C1] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 50.524855][ C1] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 50.524858][ C1] RSP: 0018:ffffc90000d27d58 EFLAGS: 00010293 [ 50.524864][ C1] RAX: ffffffff81af1a2c RBX: ffff88810dc3fa60 RCX: ffff888108372dc0 [ 50.524868][ C1] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 50.524872][ C1] RBP: ffffc90000d27dc8 R08: ffffffff81af1757 R09: fffff520001a4fa3 [ 50.524876][ C1] R10: fffff520001a4fa3 R11: 1ffff920001a4fa2 R12: dffffc0000000000 [ 50.524880][ C1] R13: ffff88810dc3f980 R14: 00000000ffffffff R15: 0000000000000000 [ 50.524886][ C1] ? mntput_no_expire+0x127/0x600 [ 50.524891][ C1] ? mntput_no_expire+0x3fc/0x600 [ 50.524896][ C1] ? mntput_no_expire+0x3fc/0x600 [ 50.524901][ C1] ? init_wait_entry+0xe0/0xe0 [ 50.524906][ C1] ? up_write+0x68/0x140 [ 50.524911][ C1] namespace_unlock+0x377/0x420 [ 50.524917][ C1] path_umount+0xe23/0xed0 [ 50.524923][ C1] __x64_sys_umount+0xe8/0x110 [ 50.524928][ C1] do_syscall_64+0x34/0x70 [ 50.524934][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.524938][ C1] RIP: 0033:0x7f0ba1908557 [ 50.524944][ C1] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.524948][ C1] RSP: 002b:00007ffd14131d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.524954][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ba1908557 [ 50.524958][ C1] RDX: 00007ffd14131e39 RSI: 000000000000000a RDI: 00007ffd14131e30 [ 50.524961][ C1] RBP: 00007ffd14131e30 R08: 00000000ffffffff R09: 00007ffd14131c00 [ 50.524965][ C1] R10: 000055555734dba3 R11: 0000000000000246 R12: 00007f0ba19601f8 [ 50.524968][ C1] R13: 00007ffd14132ef0 R14: 000055555734db00 R15: 00007ffd14132f30 [ 50.524972][ C1] ---[ end trace 2037e90005ce760b ]--- [ 50.524975][ C1] !!!!! css_killed_ref_fn css ffff88810d153c00 !!! [ 51.130290][ T428] CPU: 1 PID: 428 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 51.142607][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.152690][ T428] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.158316][ T428] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 51.178067][ T428] RSP: 0018:ffffc90000d27d58 EFLAGS: 00010293 [ 51.184244][ T428] RAX: ffffffff81af1a2c RBX: ffff88810dc3fa60 RCX: ffff888108372dc0 [ 51.192232][ T428] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.200191][ T428] RBP: ffffc90000d27dc8 R08: ffffffff81af1757 R09: fffff520001a4fa3 [ 51.208175][ T428] R10: fffff520001a4fa3 R11: 1ffff920001a4fa2 R12: dffffc0000000000 [ 51.216159][ T428] R13: ffff88810dc3f980 R14: 00000000ffffffff R15: 0000000000000000 [ 51.224360][ T428] FS: 000055555734c400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 51.233570][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.240191][ T428] CR2: 00005555574b7b78 CR3: 0000000117ed1000 CR4: 00000000003506a0 [ 51.248271][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.256712][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.264930][ T428] Call Trace: [ 51.268200][ T428] ? init_wait_entry+0xe0/0xe0 [ 51.272955][ T428] ? up_write+0x68/0x140 [ 51.277267][ T428] namespace_unlock+0x377/0x420 [ 51.282288][ T428] path_umount+0xe23/0xed0 [ 51.286681][ T428] __x64_sys_umount+0xe8/0x110 [ 51.291430][ T428] do_syscall_64+0x34/0x70 [ 51.295836][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.301701][ T428] RIP: 0033:0x7f0ba1908557 [ 51.306115][ T428] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.325719][ T428] RSP: 002b:00007ffd14131d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.334300][ T428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ba1908557 [ 51.342287][ T428] RDX: 00007ffd14131e39 RSI: 000000000000000a RDI: 00007ffd14131e30 [ 51.350244][ T428] RBP: 00007ffd14131e30 R08: 00000000ffffffff R09: 00007ffd14131c00 [ 51.358207][ T428] R10: 000055555734dba3 R11: 0000000000000246 R12: 00007f0ba19601f8 [ 51.366174][ T428] R13: 00007ffd14132ef0 R14: 000055555734db00 R15: 00007ffd14132f30 [ 51.374135][ T428] ---[ end trace 2037e90005ce760c ]--- [ 51.379658][ T384] !!!!! css_release css ffff88810e685400 !!! [ 51.379674][ T428] ------------[ cut here ]------------ [ 51.386654][ T389] !!!!! css_release css ffff88810d150800 !!! [ 51.391121][ T428] WARNING: CPU: 0 PID: 428 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 51.397251][ T532] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 51.406237][ T428] Modules linked in: [ 51.413692][ T520] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 51.417574][ T428] CPU: 0 PID: 428 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 51.425287][ T527] FAULT_INJECTION: forcing a failure. [ 51.425287][ T527] name failslab, interval 1, probability 0, space 0, times 0 [ 51.436685][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.459508][ T428] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 51.465191][ T428] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 51.468718][ T527] CPU: 1 PID: 527 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 51.484889][ T428] RSP: 0018:ffffc90000d27dd0 EFLAGS: 00010293 [ 51.496403][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.496406][ T527] Call Trace: [ 51.496421][ T527] dump_stack+0x19c/0x1e2 [ 51.496439][ T527] should_fail+0x3f7/0x5b0 [ 51.502492][ T428] [ 51.512519][ T527] __should_failslab+0xd2/0x130 [ 51.512527][ T527] should_failslab+0x9/0x20 [ 51.512542][ T527] slab_pre_alloc_hook+0x25/0xe0 [ 51.515820][ T428] RAX: ffffffff81af1a2c RBX: ffff88810dc3fa60 RCX: ffff888108372dc0 [ 51.520117][ T527] kmem_cache_alloc_trace+0x47/0x2b0 [ 51.524513][ T428] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 51.526874][ T527] ? percpu_ref_init+0xd0/0x330 [ 51.531689][ T428] RBP: ffffc90000d27e40 R08: ffffffff81af1757 R09: fffff520001a4fb2 [ 51.536174][ T527] percpu_ref_init+0xd0/0x330 [ 51.536183][ T527] ? cgroup_setup_root+0x8a0/0x8a0 [ 51.536199][ T527] cgroup_apply_control_enable+0x3d2/0xf70 [ 51.541279][ T428] R10: fffff520001a4fb2 R11: 1ffff920001a4fb1 R12: dffffc0000000000 [ 51.549398][ T527] cgroup_apply_control+0x36/0x710 [ 51.549407][ T527] ? init_wait_entry+0xe0/0xe0 [ 51.549422][ T527] ? cgroup_kn_lock_live+0x1af/0x370 [ 51.554778][ T428] R13: ffff88810dc3f980 R14: 00000000fffffffd R15: 0000000000000000 [ 51.562718][ T527] cgroup_subtree_control_write+0xd05/0x12d0 [ 51.562736][ T527] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 51.567556][ T428] FS: 000055555734c400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 51.575590][ T527] cgroup_file_write+0x22f/0x4f0 [ 51.575600][ T527] kernfs_fop_write_iter+0x2cd/0x410 [ 51.575616][ T527] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.580263][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.585342][ T527] vfs_write+0xb57/0xe50 [ 51.585352][ T527] ksys_write+0x157/0x260 [ 51.585367][ T527] __x64_sys_write+0x7b/0x90 [ 51.591142][ T428] CR2: 0000555557355b38 CR3: 0000000117ed1000 CR4: 00000000003506b0 [ 51.599164][ T527] do_syscall_64+0x34/0x70 [ 51.599176][ T527] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.599185][ T527] RIP: 0033:0x7fa4459bb0e9 [ 51.599202][ T527] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.604318][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.609047][ T527] RSP: 002b:00007fa445910168 EFLAGS: 00000246 [ 51.614343][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.622254][ T527] ORIG_RAX: 0000000000000001 [ 51.622262][ T527] RAX: ffffffffffffffda RBX: 00007fa445ace030 RCX: 00007fa4459bb0e9 [ 51.622268][ T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.622281][ T527] RBP: 00007fa4459101d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.628229][ T428] Call Trace: [ 51.634176][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.634183][ T527] R13: 00007ffd222b7a0f R14: 00007fa445910300 R15: 0000000000022000 [ 51.790831][ T428] path_umount+0x1ad/0xed0 [ 51.795247][ T428] __x64_sys_umount+0xe8/0x110 [ 51.800103][ T428] do_syscall_64+0x34/0x70 [ 51.804524][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.810391][ T428] RIP: 0033:0x7f0ba1908557 [ 51.814796][ T428] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.835562][ T428] RSP: 002b:00007ffd14131d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 51.844078][ T428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ba1908557 [ 51.852257][ T428] RDX: 00007ffd14131e39 RSI: 000000000000000a RDI: 00007ffd14131e30 [ 51.860213][ T428] RBP: 00007ffd14131e30 R08: 00000000ffffffff R09: 00007ffd14131c00 [ 51.868268][ T428] R10: 000055555734dba3 R11: 0000000000000246 R12: 00007f0ba19601f8 [ 51.876120][ T527] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 51.876239][ T428] R13: 00007ffd14132ef0 R14: 000055555734db00 R15: 00007ffd14132f30 [ 51.892709][ T428] ---[ end trace 2037e90005ce760d ]--- [ 51.956362][ C1] !!!!! css_killed_ref_fn css ffff88810e935000 !!! [ 51.963017][ C1] !!!!! css_killed_ref_fn css ffff88810e937c00 !!! [ 51.969571][ T389] !!!!! css_release css ffff88810e935000 !!! [ 51.975792][ T389] !!!!! css_release css ffff88810e937c00 !!! [ 51.981866][ T521] FAULT_INJECTION: forcing a failure. [ 51.981866][ T521] name failslab, interval 1, probability 0, space 0, times 0 [ 51.994701][ T521] CPU: 0 PID: 521 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 52.006234][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.016372][ T521] Call Trace: [ 52.019641][ T521] dump_stack+0x19c/0x1e2 [ 52.023942][ T521] should_fail+0x3f7/0x5b0 [ 52.028332][ T521] __should_failslab+0xd2/0x130 [ 52.033155][ T521] should_failslab+0x9/0x20 [ 52.037634][ T521] slab_pre_alloc_hook+0x25/0xe0 [ 52.042544][ T521] ? __kernfs_new_node+0x4c/0x6d0 [ 52.047626][ T521] __kmalloc_track_caller+0x70/0x300 [ 52.052888][ T521] ? __kernfs_new_node+0x4c/0x6d0 [ 52.057984][ T521] kstrdup_const+0x55/0x90 [ 52.062391][ T521] __kernfs_new_node+0x4c/0x6d0 [ 52.067281][ T521] ? string+0x29f/0x2b0 [ 52.071431][ T521] ? vsnprintf+0x1a6c/0x1b30 [ 52.076015][ T521] kernfs_new_node+0x97/0x170 [ 52.080853][ T521] __kernfs_create_file+0x4a/0x270 [ 52.086056][ T521] cgroup_addrm_files+0x99e/0xeb0 [ 52.091063][ T521] ? delete_node+0x747/0x7a0 [ 52.095646][ T521] ? __kthread_should_park+0xaa/0xe0 [ 52.100920][ T521] css_populate_dir+0x137/0x370 [ 52.105767][ T521] cgroup_apply_control_enable+0x5cd/0xf70 [ 52.111558][ T521] cgroup_apply_control+0x36/0x710 [ 52.116745][ T521] ? init_wait_entry+0xe0/0xe0 [ 52.121483][ T521] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.126741][ T521] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.132809][ T521] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.138758][ T521] cgroup_file_write+0x22f/0x4f0 [ 52.143681][ T521] kernfs_fop_write_iter+0x2cd/0x410 [ 52.148937][ T521] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.154022][ T521] vfs_write+0xb57/0xe50 [ 52.158237][ T521] ksys_write+0x157/0x260 [ 52.162537][ T521] __x64_sys_write+0x7b/0x90 [ 52.167097][ T521] do_syscall_64+0x34/0x70 [ 52.171491][ T521] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.177381][ T521] RIP: 0033:0x7fdf9f2ae0e9 [ 52.181895][ T521] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.201589][ T521] RSP: 002b:00007fdf9f203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.210098][ T521] RAX: ffffffffffffffda RBX: 00007fdf9f3c1030 RCX: 00007fdf9f2ae0e9 [ 52.218054][ T521] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.226108][ T521] RBP: 00007fdf9f2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.234151][ T521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.242107][ T521] R13: 00007ffe7a2bbc5f R14: 00007fdf9f203300 R15: 0000000000022000 [ 52.250485][ T521] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.257714][ T521] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 52.266699][ T418] ------------[ cut here ]------------ [ 52.272208][ T418] WARNING: CPU: 1 PID: 418 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 52.281138][ T418] Modules linked in: [ 52.285078][ C1] !!!!! css_killed_ref_fn css ffff88810eb5e000 !!! [ 52.285107][ C1] !!!!! css_killed_ref_fn css ffff88810eb5d400 !!! [ 52.285118][ C1] !!!!! css_killed_ref_fn css ffff88810eb5d000 !!! [ 52.305074][ T418] CPU: 1 PID: 418 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 52.316713][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.326808][ T418] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 52.332449][ T418] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 52.357148][ T418] RSP: 0018:ffffc90000c07dd0 EFLAGS: 00010293 [ 52.363229][ T418] RAX: ffffffff81af1a2c RBX: ffff88810dc3f5e0 RCX: ffff888105208000 [ 52.371195][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 52.379207][ T418] RBP: ffffc90000c07e40 R08: ffffffff81af1757 R09: fffff52000180fb2 [ 52.387220][ T418] R10: fffff52000180fb2 R11: 1ffff92000180fb1 R12: dffffc0000000000 [ 52.395291][ T418] R13: ffff88810dc3f500 R14: 00000000ffffffff R15: 0000000000000000 [ 52.403455][ T418] FS: 0000555556998400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 52.412573][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.419422][ T418] CR2: 00007ffe7a2baddc CR3: 0000000108aaf000 CR4: 00000000003506a0 [ 52.427507][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.435497][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.443490][ T418] Call Trace: [ 52.446770][ T418] path_umount+0x1ad/0xed0 [ 52.451175][ T418] __x64_sys_umount+0xe8/0x110 [ 52.456233][ T418] do_syscall_64+0x34/0x70 [ 52.460656][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.466582][ T418] RIP: 0033:0x7fdf9f2af557 [ 52.471004][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.490633][ T418] RSP: 002b:00007ffe7a2badb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.499097][ T418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf9f2af557 [ 52.507184][ T418] RDX: 00007ffe7a2bae89 RSI: 000000000000000a RDI: 00007ffe7a2bae80 [ 52.515186][ T418] RBP: 00007ffe7a2bae80 R08: 00000000ffffffff R09: 00007ffe7a2bac50 [ 52.523302][ T418] R10: 0000555556999ba3 R11: 0000000000000246 R12: 00007fdf9f3071f8 [ 52.531260][ T418] R13: 00007ffe7a2bbf40 R14: 0000555556999b00 R15: 00007ffe7a2bbf80 [ 52.539346][ T418] ---[ end trace 2037e90005ce760e ]--- [ 52.544854][ T389] !!!!! css_release css ffff88810eb5e000 !!! [ 52.551392][ T24] !!!!! css_release css ffff88810eb5d400 !!! [ 52.552240][ T418] ------------[ cut here ]------------ [ 52.558040][ T524] FAULT_INJECTION: forcing a failure. [ 52.558040][ T524] name failslab, interval 1, probability 0, space 0, times 0 [ 52.563086][ T418] WARNING: CPU: 0 PID: 418 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 52.575795][ T524] CPU: 1 PID: 524 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 52.584252][ T418] Modules linked in: [ 52.595661][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.595665][ T524] Call Trace: [ 52.595680][ T524] dump_stack+0x19c/0x1e2 [ 52.595691][ T524] should_fail+0x3f7/0x5b0 [ 52.595707][ T524] __should_failslab+0xd2/0x130 [ 52.599669][ T418] [ 52.609885][ T524] should_failslab+0x9/0x20 [ 52.609893][ T524] slab_pre_alloc_hook+0x25/0xe0 [ 52.609910][ T524] ? __kernfs_new_node+0x4c/0x6d0 [ 52.613184][ T418] CPU: 0 PID: 418 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 52.617476][ T524] __kmalloc_track_caller+0x70/0x300 [ 52.621866][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.626701][ T524] ? __kernfs_new_node+0x4c/0x6d0 [ 52.626710][ T524] kstrdup_const+0x55/0x90 [ 52.626724][ T524] __kernfs_new_node+0x4c/0x6d0 [ 52.629030][ T418] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 52.633598][ T524] ? string+0x29f/0x2b0 [ 52.633607][ T524] ? vsnprintf+0x1a6c/0x1b30 [ 52.633623][ T524] kernfs_new_node+0x97/0x170 [ 52.638580][ T418] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1 [ 52.643574][ T524] __kernfs_create_file+0x4a/0x270 [ 52.643584][ T524] cgroup_addrm_files+0x99e/0xeb0 [ 52.643595][ T524] ? delete_node+0x747/0x7a0 [ 52.643604][ T524] css_populate_dir+0x137/0x370 [ 52.643613][ T524] cgroup_apply_control_enable+0x5cd/0xf70 [ 52.643628][ T524] cgroup_apply_control+0x36/0x710 [ 52.656396][ T418] RSP: 0018:ffffc90000c07e30 EFLAGS: 00010293 [ 52.660478][ T524] ? init_wait_entry+0xe0/0xe0 [ 52.670689][ T418] [ 52.675522][ T524] ? cgroup_kn_lock_live+0x1af/0x370 [ 52.675534][ T524] cgroup_subtree_control_write+0xd05/0x12d0 [ 52.675544][ T524] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 52.675560][ T524] cgroup_file_write+0x22f/0x4f0 [ 52.680245][ T418] RAX: ffffffff81b024f5 RBX: ffffe8ffffd46984 RCX: ffff888105208000 [ 52.684787][ T524] kernfs_fop_write_iter+0x2cd/0x410 [ 52.684798][ T524] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.684806][ T524] vfs_write+0xb57/0xe50 [ 52.684821][ T524] ksys_write+0x157/0x260 [ 52.690266][ T418] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 52.694120][ T524] __x64_sys_write+0x7b/0x90 [ 52.694130][ T524] do_syscall_64+0x34/0x70 [ 52.694139][ T524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.694158][ T524] RIP: 0033:0x7f02a3e740e9 [ 52.698827][ T418] RBP: ffffc90000c07e80 R08: ffffffff81b021d3 R09: fffff52000180fcd [ 52.703376][ T524] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.703383][ T524] RSP: 002b:00007f02a3dc9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.703401][ T524] RAX: ffffffffffffffda RBX: 00007f02a3f87030 RCX: 00007f02a3e740e9 [ 52.723508][ T418] R10: fffff52000180fcd R11: 1ffff92000180fcc R12: ffff88810dc3f548 [ 52.728149][ T524] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.733369][ T418] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 52.737740][ T524] RBP: 00007f02a3dc91d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.742792][ T418] FS: 0000555556998400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 52.748421][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.753669][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.759549][ T524] R13: 00007ffe1488efaf R14: 00007f02a3dc9300 R15: 0000000000022000 [ 52.764436][ T418] CR2: 00005555574603b8 CR3: 0000000108aaf000 CR4: 00000000003506b0 [ 52.767295][ T524] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.772163][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.778144][ T524] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 52.784228][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.989917][ T418] Call Trace: [ 52.989974][ T422] ------------[ cut here ]------------ [ 52.993264][ T418] __cleanup_mnt+0x19/0x20 [ 52.993281][ T418] task_work_run+0x147/0x1b0 [ 52.998737][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.003142][ T418] exit_to_user_mode_loop+0xc8/0xe0 [ 53.007694][ T422] Modules linked in: [ 53.016618][ T418] syscall_exit_to_user_mode+0x77/0xa0 [ 53.016636][ T418] do_syscall_64+0x40/0x70 [ 53.021801][ T422] [ 53.025703][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.031128][ T422] CPU: 1 PID: 422 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 53.031139][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.035539][ T418] RIP: 0033:0x7fdf9f2af557 [ 53.037844][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.044212][ T418] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.055472][ C1] !!!!! css_killed_ref_fn css ffff88810eaa9800 !!! [ 53.055495][ C1] !!!!! css_killed_ref_fn css ffff88810eaab400 !!! [ 53.065691][ T418] RSP: 002b:00007ffe7a2badb8 EFLAGS: 00000246 [ 53.070107][ C1] !!!!! css_killed_ref_fn css ffff88810eaa8400 !!! [ 53.070159][ T422] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 53.075793][ T418] ORIG_RAX: 00000000000000a6 [ 53.095361][ T422] RSP: 0018:ffffc90000ca7d58 EFLAGS: 00010293 [ 53.095373][ T422] RAX: ffffffff81af1a2c RBX: ffff88810dfd63e0 RCX: ffff88810526adc0 [ 53.095379][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.095385][ T422] RBP: ffffc90000ca7dc8 R08: ffffffff81af1757 R09: fffff52000194fa3 [ 53.095391][ T422] R10: fffff52000194fa3 R11: 1ffff92000194fa2 R12: dffffc0000000000 [ 53.095398][ T422] R13: ffff88810dfd6300 R14: 00000000ffffffff R15: 0000000000000000 [ 53.095406][ T422] FS: 0000555557460400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.095412][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.095418][ T422] CR2: 00005555574a63b8 CR3: 00000001075ca000 CR4: 00000000003506a0 [ 53.095429][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.095436][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.095439][ T422] Call Trace: [ 53.095451][ T422] ? init_wait_entry+0xe0/0xe0 [ 53.095459][ T422] ? up_write+0x68/0x140 [ 53.095474][ T422] namespace_unlock+0x377/0x420 [ 53.095484][ T422] path_umount+0xe23/0xed0 [ 53.095494][ T422] __x64_sys_umount+0xe8/0x110 [ 53.095504][ T422] do_syscall_64+0x34/0x70 [ 53.095515][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.095523][ T422] RIP: 0033:0x7f02a3e75557 [ 53.095534][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.095540][ T422] RSP: 002b:00007ffe1488e108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.095552][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a3e75557 [ 53.095566][ T422] RDX: 00007ffe1488e1d9 RSI: 000000000000000a RDI: 00007ffe1488e1d0 [ 53.102099][ T418] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdf9f2af557 [ 53.108532][ T422] RBP: 00007ffe1488e1d0 R08: 00000000ffffffff R09: 00007ffe1488dfa0 [ 53.108539][ T422] R10: 0000555557461ba3 R11: 0000000000000246 R12: 00007f02a3ecd1f8 [ 53.108553][ T422] R13: 00007ffe1488f290 R14: 0000555557461b00 R15: 00007ffe1488f2d0 [ 53.114756][ T418] RDX: 00007ffe7a2bae89 RSI: 000000000000000a RDI: 00007ffe7a2bae80 [ 53.121177][ T422] ---[ end trace 2037e90005ce760f ]--- [ 53.121225][ T389] !!!!! css_release css ffff88810eaa9800 !!! [ 53.141004][ T418] RBP: 00007ffe7a2bae80 R08: 00000000ffffffff R09: 00007ffe7a2bac50 [ 53.146182][ T389] !!!!! css_release css ffff88810eaab400 !!! [ 53.152075][ T418] R10: 0000555556999ba3 R11: 0000000000000246 R12: 00007fdf9f3071f8 [ 53.159974][ T422] ------------[ cut here ]------------ [ 53.168127][ T418] R13: 00007ffe7a2bbf40 R14: 0000555556999b00 R15: 00007ffe7a2bbf80 [ 53.176053][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.184050][ T418] ---[ end trace 2037e90005ce7610 ]--- [ 53.191928][ T422] Modules linked in: [ 53.191946][ T422] CPU: 1 PID: 422 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 53.191957][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.443550][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.449169][ T422] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 53.468782][ T422] RSP: 0018:ffffc90000ca7dd0 EFLAGS: 00010293 [ 53.475399][ T422] RAX: ffffffff81af1a2c RBX: ffff88810dfd63e0 RCX: ffff88810526adc0 [ 53.483373][ T422] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 53.491332][ T422] RBP: ffffc90000ca7e40 R08: ffffffff81af1757 R09: fffff52000194fb2 [ 53.499322][ T422] R10: fffff52000194fb2 R11: 1ffff92000194fb1 R12: dffffc0000000000 [ 53.507298][ T422] R13: ffff88810dfd6300 R14: 00000000fffffffe R15: 0000000000000000 [ 53.515347][ T422] FS: 0000555557460400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.524267][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.530832][ T422] CR2: 00005555574a63b8 CR3: 00000001075ca000 CR4: 00000000003506a0 [ 53.538814][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.546775][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.554818][ T422] Call Trace: [ 53.558088][ T422] path_umount+0x1ad/0xed0 [ 53.562494][ T422] __x64_sys_umount+0xe8/0x110 [ 53.567232][ T422] do_syscall_64+0x34/0x70 [ 53.571717][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.577751][ T422] RIP: 0033:0x7f02a3e75557 [ 53.582161][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.601960][ T422] RSP: 002b:00007ffe1488e108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 53.610566][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a3e75557 [ 53.618543][ T422] RDX: 00007ffe1488e1d9 RSI: 000000000000000a RDI: 00007ffe1488e1d0 [ 53.626535][ T422] RBP: 00007ffe1488e1d0 R08: 00000000ffffffff R09: 00007ffe1488dfa0 [ 53.634508][ T422] R10: 0000555557461ba3 R11: 0000000000000246 R12: 00007f02a3ecd1f8 [ 53.642492][ T422] R13: 00007ffe1488f290 R14: 0000555557461b00 R15: 00007ffe1488f2d0 [ 53.650633][ T422] ---[ end trace 2037e90005ce7611 ]--- [ 53.656311][ T533] FAULT_INJECTION: forcing a failure. [ 53.656311][ T533] name failslab, interval 1, probability 0, space 0, times 0 [ 53.670632][ T533] CPU: 0 PID: 533 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 53.682176][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.692212][ T533] Call Trace: [ 53.695489][ T533] dump_stack+0x19c/0x1e2 [ 53.699816][ T533] should_fail+0x3f7/0x5b0 [ 53.704215][ T533] __should_failslab+0xd2/0x130 [ 53.709048][ T533] should_failslab+0x9/0x20 [ 53.713534][ T533] slab_pre_alloc_hook+0x25/0xe0 [ 53.718443][ T533] kmem_cache_alloc_trace+0x47/0x2b0 [ 53.723710][ T533] ? percpu_ref_init+0xd0/0x330 [ 53.728623][ T533] percpu_ref_init+0xd0/0x330 [ 53.733274][ T533] ? cgroup_setup_root+0x8a0/0x8a0 [ 53.738359][ T533] cgroup_apply_control_enable+0x3d2/0xf70 [ 53.744141][ T533] cgroup_apply_control+0x36/0x710 [ 53.749223][ T533] ? init_wait_entry+0xe0/0xe0 [ 53.753962][ T533] ? cgroup_kn_lock_live+0x1af/0x370 [ 53.759247][ T533] cgroup_subtree_control_write+0xd05/0x12d0 [ 53.765298][ T533] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 53.771250][ T533] cgroup_file_write+0x22f/0x4f0 [ 53.776160][ T533] kernfs_fop_write_iter+0x2cd/0x410 [ 53.781417][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.786513][ T533] vfs_write+0xb57/0xe50 [ 53.790828][ T533] ksys_write+0x157/0x260 [ 53.795133][ T533] __x64_sys_write+0x7b/0x90 [ 53.799693][ T533] do_syscall_64+0x34/0x70 [ 53.804090][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.809970][ T533] RIP: 0033:0x7f056b2ae0e9 [ 53.814359][ T533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.834024][ T533] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.842413][ T533] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 53.850364][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.858319][ T533] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.866439][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.874385][ T533] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 53.883758][ T533] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 53.891499][ T422] ------------[ cut here ]------------ [ 53.897364][ T422] WARNING: CPU: 1 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 53.906299][ T422] Modules linked in: [ 53.910191][ T422] CPU: 1 PID: 422 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 53.921805][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.931873][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 53.937506][ T422] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 53.957122][ T422] RSP: 0018:ffffc90000ca7dd0 EFLAGS: 00010293 [ 53.963203][ T422] RAX: ffffffff81af1a2c RBX: ffff88810dc3f760 RCX: ffff88810526adc0 [ 53.971156][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 53.979128][ T422] RBP: ffffc90000ca7e40 R08: ffffffff81af1757 R09: fffff52000194fb2 [ 53.987104][ T422] R10: fffff52000194fb2 R11: 1ffff92000194fb1 R12: dffffc0000000000 [ 53.995075][ T422] R13: ffff88810dc3f680 R14: 00000000ffffffff R15: 0000000000000000 [ 54.003060][ T422] FS: 0000555557460400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.012437][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.019012][ T422] CR2: 00007f166dee3798 CR3: 00000001075ca000 CR4: 00000000003506a0 [ 54.026996][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.034962][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.042937][ T422] Call Trace: [ 54.046220][ T422] path_umount+0x1ad/0xed0 [ 54.050706][ T422] __x64_sys_umount+0xe8/0x110 [ 54.055478][ T422] do_syscall_64+0x34/0x70 [ 54.059912][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.066083][ T422] RIP: 0033:0x7f02a3e75557 [ 54.070494][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.090199][ T422] RSP: 002b:00007ffe1488e108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 54.098620][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a3e75557 [ 54.106600][ T422] RDX: 00007ffe1488e1d9 RSI: 000000000000000a RDI: 00007ffe1488e1d0 [ 54.114571][ T422] RBP: 00007ffe1488e1d0 R08: 00000000ffffffff R09: 00007ffe1488dfa0 [ 54.122550][ T422] R10: 0000555557461ba3 R11: 0000000000000246 R12: 00007f02a3ecd1f8 [ 54.130505][ T422] R13: 00007ffe1488f290 R14: 0000555557461b00 R15: 00007ffe1488f2d0 [ 54.138592][ T422] ---[ end trace 2037e90005ce7612 ]--- [ 54.144147][ T422] ------------[ cut here ]------------ [ 54.149771][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 54.158556][ T422] Modules linked in: [ 54.162496][ C0] !!!!! css_killed_ref_fn css ffff88810d2b2c00 !!! [ 54.162514][ C0] !!!!! css_killed_ref_fn css ffff88810d2b2800 !!! [ 54.175788][ T74] !!!!! css_release css ffff88810d2b2c00 !!! [ 54.181404][ T422] CPU: 1 PID: 422 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 54.181764][ T74] !!!!! css_release css ffff88810d2b2800 !!! [ 54.193382][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.199780][ T538] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 54.209402][ T552] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 54.217201][ T541] FAULT_INJECTION: forcing a failure. [ 54.217201][ T541] name failslab, interval 1, probability 0, space 0, times 0 [ 54.224718][ T422] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 54.237710][ T541] CPU: 0 PID: 541 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 54.242664][ T422] Code: b3 a5 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2e e6 b8 ff 48 8b 7d d0 e8 15 c9 04 00 e9 21 fd ff ff e8 1b e6 b8 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 e0 1f 86 80 e1 07 80 c1 03 38 c1 [ 54.253878][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.253883][ T541] Call Trace: [ 54.253899][ T541] dump_stack+0x19c/0x1e2 [ 54.253910][ T541] should_fail+0x3f7/0x5b0 [ 54.253932][ T541] __should_failslab+0xd2/0x130 [ 54.273923][ T422] RSP: 0018:ffffc90000ca7e30 EFLAGS: 00010293 [ 54.283718][ T541] should_failslab+0x9/0x20 [ 54.283728][ T541] slab_pre_alloc_hook+0x25/0xe0 [ 54.283738][ T541] ? __kernfs_new_node+0x4c/0x6d0 [ 54.283753][ T541] __kmalloc_track_caller+0x70/0x300 [ 54.287155][ T422] [ 54.291336][ T541] ? __kernfs_new_node+0x4c/0x6d0 [ 54.291351][ T541] kstrdup_const+0x55/0x90 [ 54.295787][ T422] RAX: ffffffff81b024f5 RBX: ffffe8ffffd46984 RCX: ffff88810526adc0 [ 54.300559][ T541] __kernfs_new_node+0x4c/0x6d0 [ 54.300568][ T541] ? string+0x29f/0x2b0 [ 54.300581][ T541] ? vsnprintf+0x1a6c/0x1b30 [ 54.306747][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.311176][ T541] kernfs_new_node+0x97/0x170 [ 54.311191][ T541] __kernfs_create_file+0x4a/0x270 [ 54.316124][ T422] RBP: ffffc90000ca7e80 R08: ffffffff81b021d3 R09: fffff52000194fcd [ 54.321088][ T541] cgroup_addrm_files+0x99e/0xeb0 [ 54.321104][ T541] ? delete_node+0x747/0x7a0 [ 54.326386][ T422] R10: fffff52000194fcd R11: 1ffff92000194fcc R12: ffff88810dc3f6c8 [ 54.328664][ T541] css_populate_dir+0x137/0x370 [ 54.328680][ T541] cgroup_apply_control_enable+0x5cd/0xf70 [ 54.333696][ T422] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 54.338084][ T541] cgroup_apply_control+0x36/0x710 [ 54.338099][ T541] ? init_wait_entry+0xe0/0xe0 [ 54.346086][ T422] FS: 0000555557460400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.350904][ T541] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.350926][ T541] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.355077][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.359845][ T541] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.359855][ T541] cgroup_file_write+0x22f/0x4f0 [ 54.359865][ T541] kernfs_fop_write_iter+0x2cd/0x410 [ 54.359874][ T541] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.359883][ T541] vfs_write+0xb57/0xe50 [ 54.359893][ T541] ksys_write+0x157/0x260 [ 54.359902][ T541] __x64_sys_write+0x7b/0x90 [ 54.359911][ T541] do_syscall_64+0x34/0x70 [ 54.359930][ T541] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.367972][ T422] CR2: 00007f056b203718 CR3: 00000001075ca000 CR4: 00000000003506a0 [ 54.372720][ T541] RIP: 0033:0x7f0ba19070e9 [ 54.372730][ T541] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.372736][ T541] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.372757][ T541] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 54.377903][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.386020][ T541] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.386027][ T541] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.386033][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.386039][ T541] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 54.387205][ T541] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.391645][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.396561][ T541] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 54.405116][ T422] Call Trace: [ 54.621486][ T422] __cleanup_mnt+0x19/0x20 [ 54.621627][ T428] ------------[ cut here ]------------ [ 54.626170][ T422] task_work_run+0x147/0x1b0 [ 54.631397][ T428] WARNING: CPU: 1 PID: 428 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 54.636011][ C0] !!!!! css_killed_ref_fn css ffff88810f4c1000 !!! [ 54.636036][ C0] !!!!! css_killed_ref_fn css ffff88810f4c3c00 !!! [ 54.636044][ C0] !!!!! css_killed_ref_fn css ffff88810f4c0800 !!! [ 54.636346][ T74] !!!!! css_release css ffff88810f4c1000 !!! [ 54.644994][ T428] Modules linked in: [ 54.645018][ T428] CPU: 1 PID: 428 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 54.651709][ T422] exit_to_user_mode_loop+0xc8/0xe0 [ 54.658169][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.658189][ T428] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 54.664821][ T74] !!!!! css_release css ffff88810f4c0800 !!! [ 54.670708][ T428] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 54.670715][ T428] RSP: 0018:ffffc90000d27dd0 EFLAGS: 00010293 [ 54.674655][ T540] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 54.686134][ T428] RAX: ffffffff81af1a2c RBX: ffff88810dfd72e0 RCX: ffff888108372dc0 [ 54.686141][ T428] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 54.686147][ T428] RBP: ffffc90000d27e40 R08: ffffffff81af1757 R09: fffff520001a4fb2 [ 54.686161][ T428] R10: fffff520001a4fb2 R11: 1ffff920001a4fb1 R12: dffffc0000000000 [ 54.691476][ T535] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 54.701843][ T428] R13: ffff88810dfd7200 R14: 00000000ffffffff R15: 0000000000000000 [ 54.707555][ T554] FAULT_INJECTION: forcing a failure. [ 54.707555][ T554] name failslab, interval 1, probability 0, space 0, times 0 [ 54.713433][ T428] FS: 000055555734c400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.713448][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.733135][ T422] syscall_exit_to_user_mode+0x77/0xa0 [ 54.739099][ T428] CR2: 00007f056b203718 CR3: 0000000117ed1000 CR4: 00000000003506a0 [ 54.746818][ T422] do_syscall_64+0x40/0x70 [ 54.754607][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.754621][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.772280][ T554] CPU: 0 PID: 554 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 54.778490][ T428] Call Trace: [ 54.785912][ T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.785916][ T554] Call Trace: [ 54.785931][ T554] dump_stack+0x19c/0x1e2 [ 54.785947][ T554] should_fail+0x3f7/0x5b0 [ 54.793909][ T428] path_umount+0x1ad/0xed0 [ 54.806530][ T554] __should_failslab+0xd2/0x130 [ 54.806545][ T554] should_failslab+0x9/0x20 [ 54.815460][ T428] __x64_sys_umount+0xe8/0x110 [ 54.822014][ T554] slab_pre_alloc_hook+0x25/0xe0 [ 54.827536][ T428] do_syscall_64+0x34/0x70 [ 54.835475][ T554] ? __kernfs_new_node+0x4c/0x6d0 [ 54.835490][ T554] __kmalloc_track_caller+0x70/0x300 [ 54.839966][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.847904][ T554] ? __kernfs_new_node+0x4c/0x6d0 [ 54.847912][ T554] kstrdup_const+0x55/0x90 [ 54.847927][ T554] __kernfs_new_node+0x4c/0x6d0 [ 54.855880][ T428] RIP: 0033:0x7f0ba1908557 [ 54.867570][ T554] ? string+0x29f/0x2b0 [ 54.867587][ T554] ? vsnprintf+0x1a6c/0x1b30 [ 54.870847][ T428] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.880872][ T554] kernfs_new_node+0x97/0x170 [ 54.880886][ T554] __kernfs_create_file+0x4a/0x270 [ 54.884148][ T428] RSP: 002b:00007ffd14131d68 EFLAGS: 00000246 [ 54.888450][ T554] cgroup_addrm_files+0x99e/0xeb0 [ 54.893011][ T428] ORIG_RAX: 00000000000000a6 [ 54.897397][ T554] ? delete_node+0x747/0x7a0 [ 54.902220][ T428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ba1908557 [ 54.906690][ T554] css_populate_dir+0x137/0x370 [ 54.911419][ T428] RDX: 00007ffd14131e39 RSI: 000000000000000a RDI: 00007ffd14131e30 [ 54.916326][ T554] cgroup_apply_control_enable+0x5cd/0xf70 [ 54.916341][ T554] cgroup_apply_control+0x36/0x710 [ 54.920729][ T428] RBP: 00007ffd14131e30 R08: 00000000ffffffff R09: 00007ffd14131c00 [ 54.925729][ T554] ? init_wait_entry+0xe0/0xe0 [ 54.925745][ T554] ? cgroup_kn_lock_live+0x1af/0x370 [ 54.931013][ T428] R10: 000055555734dba3 R11: 0000000000000246 R12: 00007f0ba19601f8 [ 54.936881][ T554] cgroup_subtree_control_write+0xd05/0x12d0 [ 54.936897][ T554] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 54.941904][ T428] R13: 00007ffd14132ef0 R14: 000055555734db00 R15: 00007ffd14132f30 [ 54.946298][ T554] cgroup_file_write+0x22f/0x4f0 [ 54.946314][ T554] kernfs_fop_write_iter+0x2cd/0x410 [ 54.951143][ T428] ---[ end trace 2037e90005ce7613 ]--- [ 54.955548][ T554] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.955564][ T554] vfs_write+0xb57/0xe50 [ 54.975465][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.984014][ T554] ksys_write+0x157/0x260 [ 54.984024][ T554] __x64_sys_write+0x7b/0x90 [ 54.984032][ T554] do_syscall_64+0x34/0x70 [ 54.984041][ T554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.984058][ T554] RIP: 0033:0x7f056b2ae0e9 [ 54.989090][ T422] RIP: 0033:0x7f02a3e75557 [ 54.994143][ T554] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.994149][ T554] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.994169][ T554] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 55.000229][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.005196][ T554] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.005202][ T554] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.005208][ T554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.005221][ T554] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 55.009867][ T422] RSP: 002b:00007ffe1488e108 EFLAGS: 00000246 [ 55.019924][ T554] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.023465][ T422] ORIG_RAX: 00000000000000a6 [ 55.027712][ T554] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 55.035994][ T422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f02a3e75557 [ 55.273354][ T422] RDX: 00007ffe1488e1d9 RSI: 000000000000000a RDI: 00007ffe1488e1d0 [ 55.281417][ T422] RBP: 00007ffe1488e1d0 R08: 00000000ffffffff R09: 00007ffe1488dfa0 [ 55.289546][ C0] !!!!! css_killed_ref_fn css ffff88810f6a0800 !!! [ 55.289572][ C0] !!!!! css_killed_ref_fn css ffff88810f6a3000 !!! [ 55.289583][ C0] !!!!! css_killed_ref_fn css ffff88810f6a0000 !!! [ 55.309235][ T107] !!!!! css_release css ffff88810f6a0800 !!! [ 55.312183][ T422] R10: 0000555557461ba3 R11: 0000000000000246 R12: 00007f02a3ecd1f8 [ 55.315456][ T107] !!!!! css_release css ffff88810f6a0000 !!! [ 55.323993][ T422] R13: 00007ffe1488f290 R14: 0000555557461b00 R15: 00007ffe1488f2d0 [ 55.332352][ T559] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 55.338059][ T422] ---[ end trace 2037e90005ce7614 ]--- [ 55.345181][ T550] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 55.345436][ T553] FAULT_INJECTION: forcing a failure. [ 55.345436][ T553] name failslab, interval 1, probability 0, space 0, times 0 [ 55.371104][ T553] CPU: 0 PID: 553 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 55.382713][ T553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.392868][ T553] Call Trace: [ 55.396170][ T553] dump_stack+0x19c/0x1e2 [ 55.400486][ T553] should_fail+0x3f7/0x5b0 [ 55.404976][ T553] __should_failslab+0xd2/0x130 [ 55.409815][ T553] should_failslab+0x9/0x20 [ 55.414583][ T553] slab_pre_alloc_hook+0x25/0xe0 [ 55.419502][ T553] ? __kernfs_new_node+0x4c/0x6d0 [ 55.424536][ T553] __kmalloc_track_caller+0x70/0x300 [ 55.429805][ T553] ? __kernfs_new_node+0x4c/0x6d0 [ 55.434810][ T553] kstrdup_const+0x55/0x90 [ 55.439517][ T553] __kernfs_new_node+0x4c/0x6d0 [ 55.444355][ T553] ? string+0x29f/0x2b0 [ 55.448671][ T553] ? vsnprintf+0x1a6c/0x1b30 [ 55.453242][ T553] kernfs_new_node+0x97/0x170 [ 55.457906][ T553] __kernfs_create_file+0x4a/0x270 [ 55.463250][ T553] cgroup_addrm_files+0x99e/0xeb0 [ 55.468252][ T553] ? delete_node+0x747/0x7a0 [ 55.472826][ T553] css_populate_dir+0x137/0x370 [ 55.477671][ T553] cgroup_apply_control_enable+0x5cd/0xf70 [ 55.483459][ T553] cgroup_apply_control+0x36/0x710 [ 55.488563][ T553] ? init_wait_entry+0xe0/0xe0 [ 55.493307][ T553] ? cgroup_kn_lock_live+0x1af/0x370 [ 55.498571][ T553] cgroup_subtree_control_write+0xd05/0x12d0 [ 55.504637][ T553] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 55.510606][ T553] cgroup_file_write+0x22f/0x4f0 [ 55.515528][ T553] kernfs_fop_write_iter+0x2cd/0x410 [ 55.520805][ T553] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.526000][ T553] vfs_write+0xb57/0xe50 [ 55.530229][ T553] ksys_write+0x157/0x260 [ 55.534545][ T553] __x64_sys_write+0x7b/0x90 [ 55.539131][ T553] do_syscall_64+0x34/0x70 [ 55.543529][ T553] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.549411][ T553] RIP: 0033:0x7fdf9f2ae0e9 [ 55.553803][ T553] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.573386][ T553] RSP: 002b:00007fdf9f203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.581952][ T553] RAX: ffffffffffffffda RBX: 00007fdf9f3c1030 RCX: 00007fdf9f2ae0e9 [ 55.589916][ T553] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.597963][ T553] RBP: 00007fdf9f2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.605933][ T553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.613879][ T553] R13: 00007ffe7a2bbc5f R14: 00007fdf9f203300 R15: 0000000000022000 2022/06/01 19:14:28 executed programs: 42 [ 55.622036][ T553] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.629183][ T553] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 55.639781][ T422] ------------[ cut here ]------------ [ 55.645391][ T422] WARNING: CPU: 0 PID: 422 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 55.655722][ T422] Modules linked in: [ 55.659625][ T422] CPU: 0 PID: 422 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 55.671178][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.681341][ T422] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 55.686983][ T422] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 55.706775][ T422] RSP: 0018:ffffc90000ca7dd0 EFLAGS: 00010293 [ 55.712846][ T422] RAX: ffffffff81af1a2c RBX: ffff88810dc3e0e0 RCX: ffff88810526adc0 [ 55.720824][ T422] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 55.728829][ T422] RBP: ffffc90000ca7e40 R08: ffffffff81af1757 R09: fffff52000194fb2 [ 55.736982][ T422] R10: fffff52000194fb2 R11: 1ffff92000194fb1 R12: dffffc0000000000 [ 55.745049][ T422] R13: ffff88810dc3e000 R14: 00000000ffffffff R15: 0000000000000000 [ 55.753220][ T422] FS: 0000555557460400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 55.762269][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.768840][ T422] CR2: 0000555557469b38 CR3: 00000001075ca000 CR4: 00000000003506b0 [ 55.776918][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.784893][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.792964][ T422] Call Trace: [ 55.796246][ T422] path_umount+0x1ad/0xed0 [ 55.800649][ T422] __x64_sys_umount+0xe8/0x110 [ 55.805433][ T422] do_syscall_64+0x34/0x70 [ 55.809935][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.815844][ T422] RIP: 0033:0x7f02a3e75557 [ 55.820246][ T422] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.839861][ T422] RSP: 002b:00007ffe1488e108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 55.848365][ T422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a3e75557 [ 55.856330][ T422] RDX: 00007ffe1488e1d9 RSI: 000000000000000a RDI: 00007ffe1488e1d0 [ 55.864301][ T422] RBP: 00007ffe1488e1d0 R08: 00000000ffffffff R09: 00007ffe1488dfa0 [ 55.872263][ T422] R10: 0000555557461ba3 R11: 0000000000000246 R12: 00007f02a3ecd1f8 [ 55.880211][ T422] R13: 00007ffe1488f290 R14: 0000555557461b00 R15: 00007ffe1488f2d0 [ 55.888178][ T422] ---[ end trace 2037e90005ce7615 ]--- [ 55.902868][ C0] !!!!! css_killed_ref_fn css ffff88810f5fe800 !!! [ 55.909507][ C0] !!!!! css_killed_ref_fn css ffff88810f5fcc00 !!! [ 55.916017][ C0] !!!!! css_killed_ref_fn css ffff88810f5fec00 !!! [ 55.922574][ T388] !!!!! css_release css ffff88810f5fe800 !!! [ 55.928601][ T388] !!!!! css_release css ffff88810f5fcc00 !!! [ 55.935118][ T560] FAULT_INJECTION: forcing a failure. [ 55.935118][ T560] name failslab, interval 1, probability 0, space 0, times 0 [ 55.947821][ T560] CPU: 1 PID: 560 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 55.959336][ T560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.969366][ T560] Call Trace: [ 55.972631][ T560] dump_stack+0x19c/0x1e2 [ 55.976933][ T560] should_fail+0x3f7/0x5b0 [ 55.981324][ T560] __should_failslab+0xd2/0x130 [ 55.986146][ T560] should_failslab+0x9/0x20 [ 55.990729][ T560] slab_pre_alloc_hook+0x25/0xe0 [ 55.995726][ T560] ? __kernfs_new_node+0x4c/0x6d0 [ 56.000810][ T560] __kmalloc_track_caller+0x70/0x300 [ 56.006070][ T560] ? __kernfs_new_node+0x4c/0x6d0 [ 56.011090][ T560] kstrdup_const+0x55/0x90 [ 56.015526][ T560] __kernfs_new_node+0x4c/0x6d0 [ 56.020353][ T560] ? string+0x29f/0x2b0 [ 56.024583][ T560] ? vsnprintf+0x1a6c/0x1b30 [ 56.029152][ T560] kernfs_new_node+0x97/0x170 [ 56.033814][ T560] __kernfs_create_file+0x4a/0x270 [ 56.039009][ T560] cgroup_addrm_files+0x99e/0xeb0 [ 56.044034][ T560] ? delete_node+0x747/0x7a0 [ 56.048599][ T560] css_populate_dir+0x137/0x370 [ 56.053423][ T560] cgroup_apply_control_enable+0x5cd/0xf70 [ 56.059210][ T560] cgroup_apply_control+0x36/0x710 [ 56.064303][ T560] ? init_wait_entry+0xe0/0xe0 [ 56.069040][ T560] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.074306][ T560] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.080271][ T560] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.086231][ T560] cgroup_file_write+0x22f/0x4f0 [ 56.091332][ T560] kernfs_fop_write_iter+0x2cd/0x410 [ 56.096680][ T560] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.101857][ T560] vfs_write+0xb57/0xe50 [ 56.106076][ T560] ksys_write+0x157/0x260 [ 56.110594][ T560] __x64_sys_write+0x7b/0x90 [ 56.115157][ T560] do_syscall_64+0x34/0x70 [ 56.119606][ T560] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.125647][ T560] RIP: 0033:0x7f056b2ae0e9 [ 56.130123][ T560] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.149883][ T560] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.158285][ T560] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 56.166417][ T560] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.174384][ T560] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.182611][ T560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.190581][ T560] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 56.199064][ T560] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.206251][ T560] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 56.215606][ T424] ------------[ cut here ]------------ [ 56.221101][ T424] WARNING: CPU: 0 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.230123][ T424] Modules linked in: [ 56.234021][ T424] CPU: 0 PID: 424 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 56.245561][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.255634][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.261239][ T424] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 56.280953][ T424] RSP: 0018:ffffc90000cd7d58 EFLAGS: 00010293 [ 56.287040][ T424] RAX: ffffffff81af1a2c RBX: ffff88810dc3ece0 RCX: ffff88810526cc40 [ 56.295664][ T424] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 56.303664][ T424] RBP: ffffc90000cd7dc8 R08: ffffffff81af1757 R09: fffff5200019afa3 [ 56.311912][ T424] R10: fffff5200019afa3 R11: 1ffff9200019afa2 R12: dffffc0000000000 [ 56.319902][ T424] R13: ffff88810dc3ec00 R14: 00000000ffffffff R15: 0000000000000000 [ 56.327902][ T424] FS: 00005555574a6400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.336962][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.343579][ T424] CR2: 00005555574afb38 CR3: 00000001032cb000 CR4: 00000000003506b0 [ 56.352068][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.360255][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.368243][ T424] Call Trace: [ 56.371509][ T424] ? init_wait_entry+0xe0/0xe0 [ 56.376283][ T424] ? up_write+0x68/0x140 [ 56.380518][ T424] namespace_unlock+0x377/0x420 [ 56.385384][ T424] path_umount+0xe23/0xed0 [ 56.389790][ T424] __x64_sys_umount+0xe8/0x110 [ 56.394560][ T424] do_syscall_64+0x34/0x70 [ 56.398967][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.404861][ T424] RIP: 0033:0x7f056b2af557 [ 56.409361][ T424] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.429167][ T424] RSP: 002b:00007ffe0512e868 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.437620][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056b2af557 [ 56.445606][ T424] RDX: 00007ffe0512e939 RSI: 000000000000000a RDI: 00007ffe0512e930 [ 56.453584][ T424] RBP: 00007ffe0512e930 R08: 00000000ffffffff R09: 00007ffe0512e700 [ 56.461542][ T424] R10: 00005555574a7ba3 R11: 0000000000000246 R12: 00007f056b3071f8 [ 56.469543][ T424] R13: 00007ffe0512f9f0 R14: 00005555574a7b00 R15: 00007ffe0512fa30 [ 56.477538][ T424] ---[ end trace 2037e90005ce7616 ]--- [ 56.483161][ T424] ------------[ cut here ]------------ [ 56.488658][ T424] WARNING: CPU: 1 PID: 424 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 56.497602][ T424] Modules linked in: [ 56.501489][ T424] CPU: 1 PID: 424 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 56.502150][ C0] !!!!! css_killed_ref_fn css ffff88810f8f2400 !!! [ 56.513083][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.519537][ C0] !!!!! css_killed_ref_fn css ffff88810f8f2800 !!! [ 56.529579][ T424] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 56.536052][ C0] !!!!! css_killed_ref_fn css ffff88810f8f2c00 !!! [ 56.541658][ T424] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 56.548175][ T107] !!!!! css_release css ffff88810f8f2400 !!! [ 56.567730][ T424] RSP: 0018:ffffc90000cd7dd0 EFLAGS: 00010293 [ 56.574426][ T107] !!!!! css_release css ffff88810f8f2800 !!! [ 56.579908][ T424] RAX: ffffffff81af1a2c RBX: ffff88810dc3ece0 RCX: ffff88810526cc40 [ 56.579915][ T424] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 56.579922][ T424] RBP: ffffc90000cd7e40 R08: ffffffff81af1757 R09: fffff5200019afb2 [ 56.579929][ T424] R10: fffff5200019afb2 R11: 1ffff9200019afb1 R12: dffffc0000000000 [ 56.579943][ T424] R13: ffff88810dc3ec00 R14: 00000000fffffffe R15: 0000000000000000 [ 56.586465][ T542] FAULT_INJECTION: forcing a failure. [ 56.586465][ T542] name failslab, interval 1, probability 0, space 0, times 0 [ 56.593880][ T424] FS: 00005555574a6400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.593888][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.593894][ T424] CR2: 0000563ea95e0300 CR3: 00000001032cb000 CR4: 00000000003506a0 [ 56.593903][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.593916][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.602283][ T542] CPU: 0 PID: 542 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 56.609853][ T424] Call Trace: [ 56.617857][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.617862][ T542] Call Trace: [ 56.617881][ T542] dump_stack+0x19c/0x1e2 [ 56.625921][ T424] path_umount+0x1ad/0xed0 [ 56.638460][ T542] should_fail+0x3f7/0x5b0 [ 56.638475][ T542] __should_failslab+0xd2/0x130 [ 56.647391][ T424] __x64_sys_umount+0xe8/0x110 [ 56.654233][ T542] should_failslab+0x9/0x20 [ 56.654242][ T542] slab_pre_alloc_hook+0x25/0xe0 [ 56.654256][ T542] kmem_cache_alloc_trace+0x47/0x2b0 [ 56.662215][ T424] do_syscall_64+0x34/0x70 [ 56.670254][ T542] ? percpu_ref_init+0xd0/0x330 [ 56.678323][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.689810][ T542] percpu_ref_init+0xd0/0x330 [ 56.689820][ T542] ? cgroup_setup_root+0x8a0/0x8a0 [ 56.689835][ T542] cgroup_apply_control_enable+0x3d2/0xf70 [ 56.693096][ T424] RIP: 0033:0x7f056b2af557 [ 56.703115][ T542] cgroup_apply_control+0x36/0x710 [ 56.703130][ T542] ? init_wait_entry+0xe0/0xe0 [ 56.706391][ T424] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.710693][ T542] ? cgroup_kn_lock_live+0x1af/0x370 [ 56.715087][ T424] RSP: 002b:00007ffe0512e868 EFLAGS: 00000246 [ 56.719467][ T542] cgroup_subtree_control_write+0xd05/0x12d0 [ 56.724288][ T424] ORIG_RAX: 00000000000000a6 [ 56.729197][ T542] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 56.733680][ T424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f056b2af557 [ 56.738663][ T542] cgroup_file_write+0x22f/0x4f0 [ 56.743922][ T424] RDX: 00007ffe0512e939 RSI: 000000000000000a RDI: 00007ffe0512e930 [ 56.748303][ T542] kernfs_fop_write_iter+0x2cd/0x410 [ 56.753144][ T424] RBP: 00007ffe0512e930 R08: 00000000ffffffff R09: 00007ffe0512e700 [ 56.758999][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.763662][ T424] R10: 00005555574a7ba3 R11: 0000000000000246 R12: 00007f056b3071f8 [ 56.768725][ T542] vfs_write+0xb57/0xe50 [ 56.774591][ T424] R13: 00007ffe0512f9f0 R14: 00005555574a7b00 R15: 00007ffe0512fa30 [ 56.778971][ T542] ksys_write+0x157/0x260 [ 56.784071][ T424] ---[ end trace 2037e90005ce7617 ]--- [ 56.788799][ T542] __x64_sys_write+0x7b/0x90 [ 56.911595][ T542] do_syscall_64+0x34/0x70 [ 56.915994][ T542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.921948][ T542] RIP: 0033:0x7fa4459bb0e9 [ 56.926347][ T542] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.946047][ T542] RSP: 002b:00007fa445910168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.954441][ T542] RAX: ffffffffffffffda RBX: 00007fa445ace030 RCX: 00007fa4459bb0e9 [ 56.962400][ T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.970373][ T542] RBP: 00007fa4459101d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.978878][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.987016][ T542] R13: 00007ffd222b7a0f R14: 00007fa445910300 R15: 0000000000022000 [ 56.996779][ T542] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 57.022208][ C1] !!!!! css_killed_ref_fn css ffff88810fa66000 !!! [ 57.028730][ C1] !!!!! css_killed_ref_fn css ffff88810fa65400 !!! [ 57.035271][ T24] !!!!! css_release css ffff88810fa66000 !!! [ 57.041369][ T24] !!!!! css_release css ffff88810fa65400 !!! [ 57.047538][ T536] FAULT_INJECTION: forcing a failure. [ 57.047538][ T536] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 57.060767][ T536] CPU: 1 PID: 536 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 57.072369][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.082512][ T536] Call Trace: [ 57.085798][ T536] dump_stack+0x19c/0x1e2 [ 57.090204][ T536] should_fail+0x3f7/0x5b0 [ 57.094692][ T536] should_fail_alloc_page+0xa9/0xd0 [ 57.100131][ T536] __alloc_pages_nodemask+0x121/0x740 [ 57.105764][ T536] ? _raw_spin_lock_irq+0x6f/0x1f0 [ 57.110974][ T536] allocate_slab+0x72/0x580 [ 57.115457][ T536] ___slab_alloc+0x131/0x2e0 [ 57.120117][ T536] ? pids_css_alloc+0x4e/0x120 [ 57.124857][ T536] __slab_alloc+0x63/0xa0 [ 57.129162][ T536] ? pids_css_alloc+0x4e/0x120 [ 57.133910][ T536] kmem_cache_alloc_trace+0xe5/0x2b0 [ 57.139263][ T536] ? pids_css_alloc+0x4e/0x120 [ 57.144097][ T536] pids_css_alloc+0x4e/0x120 [ 57.148789][ T536] cgroup_apply_control_enable+0x381/0xf70 [ 57.154579][ T536] cgroup_apply_control+0x36/0x710 [ 57.159661][ T536] ? init_wait_entry+0xe0/0xe0 [ 57.164401][ T536] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.169658][ T536] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.175628][ T536] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.181591][ T536] cgroup_file_write+0x22f/0x4f0 [ 57.186512][ T536] kernfs_fop_write_iter+0x2cd/0x410 [ 57.191952][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.197248][ T536] vfs_write+0xb57/0xe50 [ 57.201467][ T536] ksys_write+0x157/0x260 [ 57.205771][ T536] __x64_sys_write+0x7b/0x90 [ 57.210338][ T536] do_syscall_64+0x34/0x70 [ 57.214731][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.220617][ T536] RIP: 0033:0x7f7be2dda0e9 [ 57.225184][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.245134][ T536] RSP: 002b:00007f7be2d2f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.253525][ T536] RAX: ffffffffffffffda RBX: 00007f7be2eed030 RCX: 00007f7be2dda0e9 [ 57.261474][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.269428][ T536] RBP: 00007f7be2d2f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.277381][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.285603][ T536] R13: 00007ffd139d371f R14: 00007f7be2d2f300 R15: 0000000000022000 [ 57.294338][ T536] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 57.295406][ T556] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 57.332174][ C0] !!!!! css_killed_ref_fn css ffff88810fc56800 !!! [ 57.338732][ C0] !!!!! css_killed_ref_fn css ffff88810fc56c00 !!! [ 57.345299][ C0] !!!!! css_killed_ref_fn css ffff88810ec7b000 !!! [ 57.351876][ C0] !!!!! css_killed_ref_fn css ffff88810ec7b400 !!! [ 57.358415][ C0] !!!!! css_killed_ref_fn css ffff88810ec7bc00 !!! [ 57.364924][ C0] !!!!! css_killed_ref_fn css ffff88810ec7b800 !!! [ 57.372019][ T107] !!!!! css_release css ffff88810fc56800 !!! [ 57.378261][ T388] !!!!! css_release css ffff88810fc56c00 !!! [ 57.384390][ T388] !!!!! css_release css ffff88810ec7b000 !!! [ 57.390517][ T107] !!!!! css_release css ffff88810ec7b400 !!! [ 57.396630][ T107] !!!!! css_release css ffff88810ec7bc00 !!! [ 57.402884][ T107] !!!!! css_release css ffff88810ec7b800 !!! [ 57.408925][ T566] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 57.408941][ T573] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 57.417764][ T557] FAULT_INJECTION: forcing a failure. [ 57.417764][ T557] name failslab, interval 1, probability 0, space 0, times 0 [ 57.436731][ T557] CPU: 1 PID: 557 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 57.448246][ T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.458368][ T557] Call Trace: [ 57.461658][ T557] dump_stack+0x19c/0x1e2 [ 57.465981][ T557] should_fail+0x3f7/0x5b0 [ 57.470443][ T557] __should_failslab+0xd2/0x130 [ 57.475289][ T557] should_failslab+0x9/0x20 [ 57.479782][ T557] slab_pre_alloc_hook+0x25/0xe0 [ 57.484721][ T557] kmem_cache_alloc_trace+0x47/0x2b0 [ 57.489986][ T557] ? percpu_ref_init+0xd0/0x330 [ 57.494828][ T557] percpu_ref_init+0xd0/0x330 [ 57.499484][ T557] ? cgroup_setup_root+0x8a0/0x8a0 [ 57.504666][ T557] cgroup_apply_control_enable+0x3d2/0xf70 [ 57.510556][ T557] cgroup_apply_control+0x36/0x710 [ 57.516145][ T557] ? init_wait_entry+0xe0/0xe0 [ 57.520896][ T557] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.526171][ T557] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.532138][ T557] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.538109][ T557] cgroup_file_write+0x22f/0x4f0 [ 57.543134][ T557] kernfs_fop_write_iter+0x2cd/0x410 [ 57.548398][ T557] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.553579][ T557] vfs_write+0xb57/0xe50 [ 57.557841][ T557] ksys_write+0x157/0x260 [ 57.562168][ T557] __x64_sys_write+0x7b/0x90 [ 57.566745][ T557] do_syscall_64+0x34/0x70 [ 57.571518][ T557] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.577391][ T557] RIP: 0033:0x7f0ba19070e9 [ 57.581887][ T557] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.602006][ T557] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.610399][ T557] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 57.618444][ T557] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.626582][ T557] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.638109][ T557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.646066][ T557] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 57.654993][ T557] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 57.692161][ C1] !!!!! css_killed_ref_fn css ffff88810fd36800 !!! [ 57.698744][ C1] !!!!! css_killed_ref_fn css ffff88810fd36400 !!! [ 57.705323][ T389] !!!!! css_release css ffff88810fd36800 !!! [ 57.711496][ T389] !!!!! css_release css ffff88810fd36400 !!! [ 57.717879][ T569] FAULT_INJECTION: forcing a failure. [ 57.717879][ T569] name failslab, interval 1, probability 0, space 0, times 0 [ 57.730721][ T569] CPU: 0 PID: 569 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 57.742244][ T569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.752286][ T569] Call Trace: [ 57.755640][ T569] dump_stack+0x19c/0x1e2 [ 57.759954][ T569] should_fail+0x3f7/0x5b0 [ 57.764353][ T569] __should_failslab+0xd2/0x130 [ 57.769177][ T569] should_failslab+0x9/0x20 [ 57.773655][ T569] slab_pre_alloc_hook+0x25/0xe0 [ 57.778578][ T569] ? __kernfs_new_node+0x4c/0x6d0 [ 57.783797][ T569] __kmalloc_track_caller+0x70/0x300 [ 57.789199][ T569] ? __kernfs_new_node+0x4c/0x6d0 [ 57.794204][ T569] kstrdup_const+0x55/0x90 [ 57.798605][ T569] __kernfs_new_node+0x4c/0x6d0 [ 57.803544][ T569] ? string+0x29f/0x2b0 [ 57.807677][ T569] ? vsnprintf+0x1a6c/0x1b30 [ 57.812255][ T569] kernfs_new_node+0x97/0x170 [ 57.816912][ T569] __kernfs_create_file+0x4a/0x270 [ 57.821999][ T569] cgroup_addrm_files+0x99e/0xeb0 [ 57.826999][ T569] ? delete_node+0x747/0x7a0 [ 57.831569][ T569] css_populate_dir+0x137/0x370 [ 57.836396][ T569] cgroup_apply_control_enable+0x5cd/0xf70 [ 57.842178][ T569] cgroup_apply_control+0x36/0x710 [ 57.847285][ T569] ? init_wait_entry+0xe0/0xe0 [ 57.852028][ T569] ? cgroup_kn_lock_live+0x1af/0x370 [ 57.857385][ T569] cgroup_subtree_control_write+0xd05/0x12d0 [ 57.863364][ T569] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 57.869498][ T569] cgroup_file_write+0x22f/0x4f0 [ 57.874422][ T569] kernfs_fop_write_iter+0x2cd/0x410 [ 57.879705][ T569] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.884794][ T569] vfs_write+0xb57/0xe50 [ 57.889011][ T569] ksys_write+0x157/0x260 [ 57.893314][ T569] __x64_sys_write+0x7b/0x90 [ 57.897889][ T569] do_syscall_64+0x34/0x70 [ 57.902295][ T569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.908166][ T569] RIP: 0033:0x7f02a3e740e9 [ 57.912571][ T569] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 57.932170][ T569] RSP: 002b:00007f02a3dc9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.940587][ T569] RAX: ffffffffffffffda RBX: 00007f02a3f87030 RCX: 00007f02a3e740e9 [ 57.948646][ T569] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.956623][ T569] RBP: 00007f02a3dc91d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.964588][ T569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.972572][ T569] R13: 00007ffe1488efaf R14: 00007f02a3dc9300 R15: 0000000000022000 [ 57.981047][ T569] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.988622][ T569] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.012590][ C0] hrtimer: interrupt took 538802 ns [ 58.018900][ C0] !!!!! css_killed_ref_fn css ffff88810fa09c00 !!! [ 58.026370][ C0] !!!!! css_killed_ref_fn css ffff88810fa0b800 !!! [ 58.032873][ C0] !!!!! css_killed_ref_fn css ffff88810fa0a000 !!! [ 58.039423][ T388] !!!!! css_release css ffff88810fa09c00 !!! [ 58.045422][ T388] !!!!! css_release css ffff88810fa0b800 !!! [ 58.051541][ T388] !!!!! css_release css ffff88810fa0a000 !!! [ 58.058125][ T567] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.062293][ T584] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.065850][ T576] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.073188][ T574] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.080763][ T578] FAULT_INJECTION: forcing a failure. [ 58.080763][ T578] name failslab, interval 1, probability 0, space 0, times 0 [ 58.100731][ T578] CPU: 1 PID: 578 Comm: syz-executor.0 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 58.112263][ T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.122306][ T578] Call Trace: [ 58.125578][ T578] dump_stack+0x19c/0x1e2 [ 58.129893][ T578] should_fail+0x3f7/0x5b0 [ 58.134305][ T578] __should_failslab+0xd2/0x130 [ 58.139144][ T578] should_failslab+0x9/0x20 [ 58.143713][ T578] slab_pre_alloc_hook+0x25/0xe0 [ 58.148893][ T578] ? __kernfs_new_node+0x4c/0x6d0 [ 58.154016][ T578] __kmalloc_track_caller+0x70/0x300 [ 58.159297][ T578] ? __kernfs_new_node+0x4c/0x6d0 [ 58.164313][ T578] kstrdup_const+0x55/0x90 [ 58.168745][ T578] __kernfs_new_node+0x4c/0x6d0 [ 58.173574][ T578] ? string+0x29f/0x2b0 [ 58.177710][ T578] ? vsnprintf+0x1a6c/0x1b30 [ 58.182279][ T578] kernfs_new_node+0x97/0x170 [ 58.186947][ T578] __kernfs_create_file+0x4a/0x270 [ 58.192048][ T578] cgroup_addrm_files+0x99e/0xeb0 [ 58.197054][ T578] ? delete_node+0x747/0x7a0 [ 58.201688][ T578] css_populate_dir+0x137/0x370 [ 58.206778][ T578] cgroup_apply_control_enable+0x5cd/0xf70 [ 58.212578][ T578] cgroup_apply_control+0x36/0x710 [ 58.217698][ T578] ? init_wait_entry+0xe0/0xe0 [ 58.222449][ T578] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.227734][ T578] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.233710][ T578] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.239698][ T578] cgroup_file_write+0x22f/0x4f0 [ 58.244618][ T578] kernfs_fop_write_iter+0x2cd/0x410 [ 58.250332][ T578] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.255422][ T578] vfs_write+0xb57/0xe50 [ 58.259683][ T578] ksys_write+0x157/0x260 [ 58.264000][ T578] __x64_sys_write+0x7b/0x90 [ 58.268588][ T578] do_syscall_64+0x34/0x70 [ 58.273070][ T578] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.278934][ T578] RIP: 0033:0x7fa4459bb0e9 [ 58.283328][ T578] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.303086][ T578] RSP: 002b:00007fa445910168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.311563][ T578] RAX: ffffffffffffffda RBX: 00007fa445ace030 RCX: 00007fa4459bb0e9 [ 58.319526][ T578] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.327482][ T578] RBP: 00007fa4459101d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.335438][ T578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.343394][ T578] R13: 00007ffd222b7a0f R14: 00007fa445910300 R15: 0000000000022000 [ 58.351762][ T578] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.359249][ T578] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.367001][ C0] !!!!! css_killed_ref_fn css ffff88810d8a7000 !!! [ 58.373538][ C0] !!!!! css_killed_ref_fn css ffff88810d8a4800 !!! [ 58.380027][ C0] !!!!! css_killed_ref_fn css ffff88810d8a7c00 !!! [ 58.386717][ T388] !!!!! css_release css ffff88810d8a7000 !!! [ 58.392914][ T388] !!!!! css_release css ffff88810d8a4800 !!! [ 58.398885][ T388] !!!!! css_release css ffff88810d8a7c00 !!! [ 58.405258][ T579] FAULT_INJECTION: forcing a failure. [ 58.405258][ T579] name failslab, interval 1, probability 0, space 0, times 0 [ 58.418064][ T579] CPU: 0 PID: 579 Comm: syz-executor.1 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 58.429745][ T579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.439983][ T579] Call Trace: [ 58.443265][ T579] dump_stack+0x19c/0x1e2 [ 58.447568][ T579] should_fail+0x3f7/0x5b0 [ 58.451957][ T579] __should_failslab+0xd2/0x130 [ 58.456786][ T579] should_failslab+0x9/0x20 [ 58.461265][ T579] slab_pre_alloc_hook+0x25/0xe0 [ 58.466364][ T579] kmem_cache_alloc_trace+0x47/0x2b0 [ 58.471626][ T579] ? percpu_ref_init+0xd0/0x330 [ 58.476460][ T579] percpu_ref_init+0xd0/0x330 [ 58.481107][ T579] ? cgroup_setup_root+0x8a0/0x8a0 [ 58.486191][ T579] cgroup_apply_control_enable+0x3d2/0xf70 [ 58.491969][ T579] cgroup_apply_control+0x36/0x710 [ 58.497322][ T579] ? init_wait_entry+0xe0/0xe0 [ 58.502063][ T579] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.507333][ T579] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.513283][ T579] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.519243][ T579] cgroup_file_write+0x22f/0x4f0 [ 58.524270][ T579] kernfs_fop_write_iter+0x2cd/0x410 [ 58.529542][ T579] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.534641][ T579] vfs_write+0xb57/0xe50 [ 58.539102][ T579] ksys_write+0x157/0x260 [ 58.543507][ T579] __x64_sys_write+0x7b/0x90 [ 58.548175][ T579] do_syscall_64+0x34/0x70 [ 58.552569][ T579] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.558607][ T579] RIP: 0033:0x7f7be2dda0e9 [ 58.562996][ T579] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.582586][ T579] RSP: 002b:00007f7be2d2f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.590974][ T579] RAX: ffffffffffffffda RBX: 00007f7be2eed030 RCX: 00007f7be2dda0e9 [ 58.598922][ T579] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.606871][ T579] RBP: 00007f7be2d2f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.614816][ T579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.622773][ T579] R13: 00007ffd139d371f R14: 00007f7be2d2f300 R15: 0000000000022000 [ 58.631134][ T579] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.662190][ C1] !!!!! css_killed_ref_fn css ffff88811049b800 !!! [ 58.668731][ C1] !!!!! css_killed_ref_fn css ffff88811049a800 !!! [ 58.675305][ T24] !!!!! css_release css ffff88811049b800 !!! [ 58.681372][ T24] !!!!! css_release css ffff88811049a800 !!! [ 58.687419][ T587] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 58.692313][ T577] FAULT_INJECTION: forcing a failure. [ 58.692313][ T577] name failslab, interval 1, probability 0, space 0, times 0 [ 58.708576][ T577] CPU: 0 PID: 577 Comm: syz-executor.4 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 58.720092][ T577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.730119][ T577] Call Trace: [ 58.733389][ T577] dump_stack+0x19c/0x1e2 [ 58.737703][ T577] should_fail+0x3f7/0x5b0 [ 58.742146][ T577] __should_failslab+0xd2/0x130 [ 58.746984][ T577] should_failslab+0x9/0x20 [ 58.751471][ T577] slab_pre_alloc_hook+0x25/0xe0 [ 58.756486][ T577] ? __kernfs_new_node+0x4c/0x6d0 [ 58.761493][ T577] __kmalloc_track_caller+0x70/0x300 [ 58.766775][ T577] ? __kernfs_new_node+0x4c/0x6d0 [ 58.771801][ T577] kstrdup_const+0x55/0x90 [ 58.776196][ T577] __kernfs_new_node+0x4c/0x6d0 [ 58.781023][ T577] ? string+0x29f/0x2b0 [ 58.785155][ T577] ? vsnprintf+0x1a6c/0x1b30 [ 58.789729][ T577] kernfs_new_node+0x97/0x170 [ 58.794467][ T577] __kernfs_create_file+0x4a/0x270 [ 58.799604][ T577] cgroup_addrm_files+0x99e/0xeb0 [ 58.804611][ T577] ? delete_node+0x747/0x7a0 [ 58.809179][ T577] css_populate_dir+0x137/0x370 [ 58.814027][ T577] cgroup_apply_control_enable+0x5cd/0xf70 [ 58.819819][ T577] cgroup_apply_control+0x36/0x710 [ 58.824907][ T577] ? init_wait_entry+0xe0/0xe0 [ 58.829736][ T577] ? cgroup_kn_lock_live+0x1af/0x370 [ 58.835171][ T577] cgroup_subtree_control_write+0xd05/0x12d0 [ 58.841126][ T577] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 58.847081][ T577] cgroup_file_write+0x22f/0x4f0 [ 58.851996][ T577] kernfs_fop_write_iter+0x2cd/0x410 [ 58.857257][ T577] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.862348][ T577] vfs_write+0xb57/0xe50 [ 58.866663][ T577] ksys_write+0x157/0x260 [ 58.870980][ T577] __x64_sys_write+0x7b/0x90 [ 58.875547][ T577] do_syscall_64+0x34/0x70 [ 58.880024][ T577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.885910][ T577] RIP: 0033:0x7f056b2ae0e9 [ 58.890301][ T577] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 58.910154][ T577] RSP: 002b:00007f056b203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.918552][ T577] RAX: ffffffffffffffda RBX: 00007f056b3c1030 RCX: 00007f056b2ae0e9 [ 58.926502][ T577] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.934555][ T577] RBP: 00007f056b2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.942771][ T577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.950717][ T577] R13: 00007ffe0512f70f R14: 00007f056b203300 R15: 0000000000022000 [ 58.959451][ T577] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 58.966694][ T577] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 59.012166][ C0] !!!!! css_killed_ref_fn css ffff88810ff30c00 !!! [ 59.018733][ C0] !!!!! css_killed_ref_fn css ffff88810ff31c00 !!! [ 59.025332][ C0] !!!!! css_killed_ref_fn css ffff88810ff33800 !!! [ 59.032012][ T388] !!!!! css_release css ffff88810ff30c00 !!! [ 59.038227][ T107] !!!!! css_release css ffff88810ff31c00 !!! [ 59.044652][ T107] !!!!! css_release css ffff88810ff33800 !!! [ 59.050668][ T581] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 59.050818][ T570] FAULT_INJECTION: forcing a failure. [ 59.050818][ T570] name failslab, interval 1, probability 0, space 0, times 0 [ 59.070767][ T570] CPU: 0 PID: 570 Comm: syz-executor.2 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 59.082280][ T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.092379][ T570] Call Trace: [ 59.095660][ T570] dump_stack+0x19c/0x1e2 [ 59.100235][ T570] should_fail+0x3f7/0x5b0 [ 59.104640][ T570] __should_failslab+0xd2/0x130 [ 59.109466][ T570] should_failslab+0x9/0x20 [ 59.113940][ T570] slab_pre_alloc_hook+0x25/0xe0 [ 59.118853][ T570] kmem_cache_alloc_trace+0x47/0x2b0 [ 59.124296][ T570] ? percpu_ref_init+0xd0/0x330 [ 59.129131][ T570] percpu_ref_init+0xd0/0x330 [ 59.133782][ T570] ? cgroup_setup_root+0x8a0/0x8a0 [ 59.138885][ T570] cgroup_apply_control_enable+0x3d2/0xf70 [ 59.144666][ T570] cgroup_apply_control+0x36/0x710 [ 59.149863][ T570] ? init_wait_entry+0xe0/0xe0 [ 59.154610][ T570] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.159871][ T570] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.166039][ T570] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.172095][ T570] cgroup_file_write+0x22f/0x4f0 [ 59.177006][ T570] kernfs_fop_write_iter+0x2cd/0x410 [ 59.182264][ T570] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.187625][ T570] vfs_write+0xb57/0xe50 [ 59.191855][ T570] ksys_write+0x157/0x260 [ 59.196155][ T570] __x64_sys_write+0x7b/0x90 [ 59.200718][ T570] do_syscall_64+0x34/0x70 [ 59.205117][ T570] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.210980][ T570] RIP: 0033:0x7fdf9f2ae0e9 [ 59.215376][ T570] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.234966][ T570] RSP: 002b:00007fdf9f203168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.243362][ T570] RAX: ffffffffffffffda RBX: 00007fdf9f3c1030 RCX: 00007fdf9f2ae0e9 [ 59.251451][ T570] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.259409][ T570] RBP: 00007fdf9f2031d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.267413][ T570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.275476][ T570] R13: 00007ffe7a2bbc5f R14: 00007fdf9f203300 R15: 0000000000022000 [ 59.283617][ T570] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 59.285261][ T23] audit: type=1400 audit(1654110872.549:162): avc: denied { unlink } for pid=141 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 59.342154][ C0] !!!!! css_killed_ref_fn css ffff888110778400 !!! [ 59.348697][ C0] !!!!! css_killed_ref_fn css ffff88811077a400 !!! [ 59.355402][ T107] !!!!! css_release css ffff888110778400 !!! [ 59.361396][ T107] !!!!! css_release css ffff88811077a400 !!! [ 59.367636][ T596] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 59.372627][ T582] FAULT_INJECTION: forcing a failure. [ 59.372627][ T582] name failslab, interval 1, probability 0, space 0, times 0 [ 59.387666][ T582] CPU: 0 PID: 582 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 59.399175][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.409216][ T582] Call Trace: [ 59.412489][ T582] dump_stack+0x19c/0x1e2 [ 59.416801][ T582] should_fail+0x3f7/0x5b0 [ 59.421209][ T582] __should_failslab+0xd2/0x130 [ 59.426044][ T582] should_failslab+0x9/0x20 [ 59.430536][ T582] slab_pre_alloc_hook+0x25/0xe0 [ 59.435451][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 59.440545][ T582] __kmalloc_track_caller+0x70/0x300 [ 59.445816][ T582] ? __kernfs_new_node+0x4c/0x6d0 [ 59.450812][ T582] kstrdup_const+0x55/0x90 [ 59.455207][ T582] __kernfs_new_node+0x4c/0x6d0 [ 59.460040][ T582] ? string+0x29f/0x2b0 [ 59.464171][ T582] ? vsnprintf+0x1a6c/0x1b30 [ 59.468746][ T582] kernfs_new_node+0x97/0x170 [ 59.473398][ T582] __kernfs_create_file+0x4a/0x270 [ 59.478486][ T582] cgroup_addrm_files+0x99e/0xeb0 [ 59.483524][ T582] ? delete_node+0x747/0x7a0 [ 59.488123][ T582] css_populate_dir+0x137/0x370 [ 59.492968][ T582] cgroup_apply_control_enable+0x5cd/0xf70 [ 59.498747][ T582] cgroup_apply_control+0x36/0x710 [ 59.503838][ T582] ? init_wait_entry+0xe0/0xe0 [ 59.508581][ T582] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.513845][ T582] cgroup_subtree_control_write+0xd05/0x12d0 [ 59.519808][ T582] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 59.525760][ T582] cgroup_file_write+0x22f/0x4f0 [ 59.530757][ T582] kernfs_fop_write_iter+0x2cd/0x410 [ 59.536019][ T582] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.541106][ T582] vfs_write+0xb57/0xe50 [ 59.545323][ T582] ksys_write+0x157/0x260 [ 59.549628][ T582] __x64_sys_write+0x7b/0x90 [ 59.554194][ T582] do_syscall_64+0x34/0x70 [ 59.558606][ T582] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.564482][ T582] RIP: 0033:0x7f0ba19070e9 [ 59.568967][ T582] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.588907][ T582] RSP: 002b:00007f0ba185c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.597569][ T582] RAX: ffffffffffffffda RBX: 00007f0ba1a1a030 RCX: 00007f0ba19070e9 [ 59.605530][ T582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.614921][ T582] RBP: 00007f0ba185c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.623142][ T582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.631095][ T582] R13: 00007ffd14132c0f R14: 00007f0ba185c300 R15: 0000000000022000 [ 59.639266][ T582] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.646430][ T582] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 59.655506][ T428] ------------[ cut here ]------------ [ 59.661201][ T428] WARNING: CPU: 1 PID: 428 at fs/namespace.c:1168 mntput_no_expire+0x3fc/0x600 [ 59.670259][ T428] Modules linked in: [ 59.672165][ C0] !!!!! css_killed_ref_fn css ffff88810da46000 !!! [ 59.674200][ T428] CPU: 1 PID: 428 Comm: syz-executor.5 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 59.680697][ C0] !!!!! css_killed_ref_fn css ffff88810da44c00 !!! [ 59.692238][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.698714][ C0] !!!!! css_killed_ref_fn css ffff88810da46c00 !!! [ 59.708983][ T428] RIP: 0010:mntput_no_expire+0x3fc/0x600 [ 59.715602][ T107] !!!!! css_release css ffff88810da46000 !!! [ 59.721429][ T428] Code: 48 c7 c2 40 d9 c4 85 e8 72 cb 94 ff e9 da fc ff ff e8 f8 f0 b9 ff e9 d0 fc ff ff e8 ee f0 b9 ff e9 c6 fc ff ff e8 e4 f0 b9 ff <0f> 0b e9 32 fd ff ff e8 d8 f0 b9 ff e8 13 59 a7 ff e9 28 fd ff ff [ 59.727989][ T107] !!!!! css_release css ffff88810da44c00 !!! [ 59.747446][ T428] RSP: 0018:ffffc90000d27dd0 EFLAGS: 00010293 [ 59.747459][ T428] RAX: ffffffff81af1a2c RBX: ffff88810dfd78e0 RCX: ffff888108372dc0 [ 59.747466][ T428] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 59.747473][ T428] RBP: ffffc90000d27e40 R08: ffffffff81af1757 R09: fffff520001a4fb2 [ 59.747480][ T428] R10: fffff520001a4fb2 R11: 1ffff920001a4fb1 R12: dffffc0000000000 [ 59.747486][ T428] R13: ffff88810dfd7800 R14: 00000000ffffffff R15: 0000000000000000 [ 59.747494][ T428] FS: 000055555734c400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 59.747500][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.747507][ T428] CR2: 0000555557355b38 CR3: 0000000117ed1000 CR4: 00000000003506a0 [ 59.747516][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.747522][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.747526][ T428] Call Trace: [ 59.747555][ T428] path_umount+0x1ad/0xed0 [ 59.766989][ T593] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 59.767615][ T428] __x64_sys_umount+0xe8/0x110 [ 59.775743][ T585] FAULT_INJECTION: forcing a failure. [ 59.775743][ T585] name failslab, interval 1, probability 0, space 0, times 0 [ 59.783541][ T428] do_syscall_64+0x34/0x70 [ 59.801590][ T585] CPU: 0 PID: 585 Comm: syz-executor.3 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 59.808405][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.814952][ T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.814956][ T585] Call Trace: [ 59.814966][ T585] dump_stack+0x19c/0x1e2 [ 59.814982][ T585] should_fail+0x3f7/0x5b0 [ 59.822934][ T428] RIP: 0033:0x7f0ba1908557 [ 59.830878][ T585] __should_failslab+0xd2/0x130 [ 59.838946][ T428] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 59.842215][ T585] should_failslab+0x9/0x20 [ 59.842224][ T585] slab_pre_alloc_hook+0x25/0xe0 [ 59.842240][ T585] ? __kernfs_new_node+0x4c/0x6d0 [ 59.846726][ T428] RSP: 002b:00007ffd14131d68 EFLAGS: 00000246 [ 59.854176][ T585] __kmalloc_track_caller+0x70/0x300 [ 59.854192][ T585] ? __kernfs_new_node+0x4c/0x6d0 [ 59.858926][ T428] ORIG_RAX: 00000000000000a6 [ 59.871473][ T585] kstrdup_const+0x55/0x90 [ 59.871482][ T585] __kernfs_new_node+0x4c/0x6d0 [ 59.871497][ T585] ? string+0x29f/0x2b0 [ 59.875900][ T428] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ba1908557 [ 59.887395][ T585] ? vsnprintf+0x1a6c/0x1b30 [ 59.887411][ T585] kernfs_new_node+0x97/0x170 [ 59.893292][ T428] RDX: 00007ffd14131e39 RSI: 000000000000000a RDI: 00007ffd14131e30 [ 59.903490][ T585] __kernfs_create_file+0x4a/0x270 [ 59.903508][ T585] cgroup_addrm_files+0x99e/0xeb0 [ 59.906774][ T428] RBP: 00007ffd14131e30 R08: 00000000ffffffff R09: 00007ffd14131c00 [ 59.911080][ T585] ? delete_node+0x747/0x7a0 [ 59.915479][ T428] R10: 000055555734dba3 R11: 0000000000000246 R12: 00007f0ba19601f8 [ 59.919860][ T585] css_populate_dir+0x137/0x370 [ 59.924691][ T428] R13: 00007ffd14132ef0 R14: 000055555734db00 R15: 00007ffd14132f30 [ 59.944347][ T585] cgroup_apply_control_enable+0x5cd/0xf70 [ 59.944363][ T585] cgroup_apply_control+0x36/0x710 [ 59.948931][ T428] ---[ end trace 2037e90005ce7618 ]--- [ 59.953841][ T585] ? init_wait_entry+0xe0/0xe0 [ 59.953850][ T585] ? cgroup_kn_lock_live+0x1af/0x370 [ 59.953867][ T585] cgroup_subtree_control_write+0xd05/0x12d0 [ 60.096548][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0 [ 60.102509][ T585] cgroup_file_write+0x22f/0x4f0 [ 60.107431][ T585] kernfs_fop_write_iter+0x2cd/0x410 [ 60.112900][ T585] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.117995][ T585] vfs_write+0xb57/0xe50 [ 60.122286][ T585] ksys_write+0x157/0x260 [ 60.128081][ T585] __x64_sys_write+0x7b/0x90 [ 60.132679][ T585] do_syscall_64+0x34/0x70 [ 60.137167][ T585] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.143032][ T585] RIP: 0033:0x7f02a3e740e9 [ 60.147422][ T585] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.167116][ T585] RSP: 002b:00007f02a3dc9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.175522][ T585] RAX: ffffffffffffffda RBX: 00007f02a3f87030 RCX: 00007f02a3e740e9 [ 60.183559][ T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.191786][ T585] RBP: 00007f02a3dc91d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.199852][ T585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.207908][ T585] R13: 00007ffe1488efaf R14: 00007f02a3dc9300 R15: 0000000000022000 [ 60.216235][ T585] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 60.223562][ T585] !!!!! cgroup_kn_unlock css ffffffff85bb7690 flags 5a718 !!! [ 60.262176][ C0] !!!!! css_killed_ref_fn css ffff88810d985000 !!! [ 60.268768][ C0] !!!!! css_killed_ref_fn css ffff88810d985400 !!! [ 60.275298][ C0] !!!!! css_killed_ref_fn css ffff88810d985c00 !!! [ 60.281844][ C0] !!!!! css_release css ffff88810d985c00 !!! [ 60.288058][ C0] list_add corruption. prev->next should be next (ffff8881f705b560), but was ffff88810d985c70. (prev=ffff88810d985c70). [ 60.300766][ C0] ------------[ cut here ]------------ [ 60.306492][ C0] kernel BUG at lib/list_debug.c:28! [ 60.311895][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 60.317957][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.10.119-syzkaller-00166-g4bea09c60b17 #0 [ 60.328949][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.339448][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 60.344883][ C0] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 60 f5 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 60.364564][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 60.370721][ C0] RAX: 0000000000000075 RBX: ffff8881f705b568 RCX: 5ab32c51d0d3a800 [ 60.378758][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 60.386707][ C0] RBP: ffffc90000007be8 R08: ffffffff81514558 R09: ffffed103ee0a590 [ 60.394664][ C0] R10: ffffed103ee0a590 R11: 1ffff1103ee0a58f R12: ffff88810d985c70 [ 60.402617][ C0] R13: dffffc0000000000 R14: ffff8881f705b560 R15: ffff88810d985c70 [ 60.410654][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 60.419651][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.426211][ C0] CR2: 00007f02a3f88090 CR3: 00000001075ca000 CR4: 00000000003506b0 [ 60.434161][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.442110][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.450076][ C0] Call Trace: [ 60.453423][ C0] [ 60.456253][ C0] insert_work+0xfc/0x330 [ 60.460576][ C0] __queue_work+0x99e/0xe20 [ 60.465089][ C0] queue_work_on+0xbe/0x110 [ 60.469568][ C0] css_release+0xdb/0x100 [ 60.473893][ C0] percpu_ref_switch_to_atomic_rcu+0x5be/0x5e0 [ 60.480123][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 60.486165][ C0] rcu_do_batch+0x4ad/0xb00 [ 60.490654][ C0] rcu_core+0x64a/0xdf0 [ 60.494784][ C0] rcu_core_si+0x9/0x10 [ 60.498916][ C0] __do_softirq+0x253/0x67b [ 60.503407][ C0] asm_call_irq_on_stack+0xf/0x20 [ 60.508416][ C0] [ 60.511347][ C0] do_softirq_own_stack+0x60/0x80 [ 60.516349][ C0] __irq_exit_rcu+0x152/0x1e0 [ 60.520996][ C0] irq_exit_rcu+0x9/0x10 [ 60.525216][ C0] sysvec_apic_timer_interrupt+0xbf/0xe0 [ 60.530839][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 60.536801][ C0] RIP: 0010:acpi_idle_do_entry+0xbb/0x1f0 [ 60.542599][ C0] Code: 89 de 48 83 e6 08 31 ff e8 b2 e0 0a fd 48 83 e3 08 0f 85 ae 00 00 00 e9 0c 00 00 00 e8 7e db 0a fd 0f 00 2d 27 ba ab 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84 [ 60.562710][ C0] RSP: 0018:ffffffff85a07ce8 EFLAGS: 00000246 [ 60.568860][ C0] RAX: 1ffffffff0b43630 RBX: 0000000000000000 RCX: 0000000000000000 [ 60.576819][ C0] RDX: ffffffff85a1b180 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.584769][ C0] RBP: ffffffff85a07d00 R08: ffffffff845e2f7e R09: fffffbfff0b43631 [ 60.592728][ C0] R10: fffffbfff0b43631 R11: 1ffffffff0b43630 R12: 0000000000000001 [ 60.600685][ C0] R13: ffff888105259004 R14: ffff888101cfa864 R15: dffffc0000000000 [ 60.608654][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 60.613914][ C0] ? acpi_idle_do_entry+0x9e/0x1f0 [ 60.619012][ C0] acpi_idle_enter+0x32d/0x4f0 [ 60.623836][ C0] ? rcu_dynticks_eqs_enter+0xa/0x40 [ 60.629104][ C0] cpuidle_enter_state+0x4c8/0x10d0 [ 60.634282][ C0] cpuidle_enter+0x5f/0xa0 [ 60.638672][ C0] do_idle+0x3a8/0x540 [ 60.642713][ C0] cpu_startup_entry+0x25/0x30 [ 60.647449][ C0] rest_init+0xe6/0xf0 [ 60.651489][ C0] ? time_init+0x38/0x38 [ 60.655702][ C0] arch_call_rest_init+0xe/0x10 [ 60.660523][ C0] start_kernel+0x461/0x4fc [ 60.664994][ C0] x86_64_start_reservations+0x2a/0x2c [ 60.670423][ C0] x86_64_start_kernel+0x7a/0x7d [ 60.675331][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 60.681189][ C0] Modules linked in: [ 60.685071][ C0] ---[ end trace 2037e90005ce7619 ]--- [ 60.690523][ C0] RIP: 0010:__list_add_valid+0xde/0xf0 [ 60.695986][ C0] Code: f1 31 c0 e8 b7 cb 1b 02 0f 0b 48 c7 c7 50 3b d6 85 e8 b6 f2 19 00 48 c7 c7 60 f5 02 85 4c 89 f6 4c 89 e1 31 c0 e8 95 cb 1b 02 <0f> 0b 48 c7 c7 60 3b d6 85 e8 94 f2 19 00 0f 1f 40 00 55 48 89 e5 [ 60.715691][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00010046 [ 60.721737][ C0] RAX: 0000000000000075 RBX: ffff8881f705b568 RCX: 5ab32c51d0d3a800 [ 60.729683][ C0] RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 [ 60.737633][ C0] RBP: ffffc90000007be8 R08: ffffffff81514558 R09: ffffed103ee0a590 [ 60.745672][ C0] R10: ffffed103ee0a590 R11: 1ffff1103ee0a58f R12: ffff88810d985c70 [ 60.753618][ C0] R13: dffffc0000000000 R14: ffff8881f705b560 R15: ffff88810d985c70 [ 60.761770][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 60.770672][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.777238][ C0] CR2: 00007f02a3f88090 CR3: 00000001075ca000 CR4: 00000000003506b0 [ 60.785192][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.793225][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.801273][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 60.808650][ C0] Kernel Offset: disabled [ 60.812969][ C0] Rebooting in 86400 seconds..