[ 20.666092][ T97] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 20.674401][ T97] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 20.683189][ T97] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 20.694640][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 21.181183][ T9] device bridge_slave_1 left promiscuous mode [ 21.191196][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.199250][ T9] device bridge_slave_0 left promiscuous mode [ 21.205561][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.583239][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 31.583245][ T23] audit: type=1400 audit(1653075019.889:147): avc: denied { read } for pid=143 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.1.69' (ECDSA) to the list of known hosts. 2022/05/20 19:30:26 parsed 1 programs [ 38.544338][ T23] audit: type=1400 audit(1653075026.849:148): avc: denied { mounton } for pid=401 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 [ 38.551600][ T401] cgroup: Unknown subsys name 'net' [ 38.573811][ T401] cgroup: Unknown subsys name 'devices' [ 38.580471][ T401] cgroup: Unknown subsys name 'hugetlb' [ 38.586190][ T401] cgroup: Unknown subsys name 'rlimit' 2022/05/20 19:30:26 executed programs: 0 [ 38.592318][ T23] audit: type=1400 audit(1653075026.899:149): avc: denied { mounton } for pid=401 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 [ 38.660337][ T23] audit: type=1400 audit(1653075026.899:150): avc: denied { mount } for pid=401 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 [ 38.698831][ T23] audit: type=1400 audit(1653075026.929:151): avc: denied { mounton } for pid=409 comm="syz-executor.1" 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 [ 38.724340][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.724756][ T23] audit: type=1400 audit(1653075026.929:152): avc: denied { module_request } for pid=409 comm="syz-executor.1" kmod="netdev-nr1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 38.731902][ T409] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.760919][ T409] device bridge_slave_0 entered promiscuous mode [ 38.778277][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.785447][ T409] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.793006][ T409] device bridge_slave_1 entered promiscuous mode [ 38.852116][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.859305][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.867207][ T408] device bridge_slave_0 entered promiscuous mode [ 38.891336][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.898744][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.906613][ T408] device bridge_slave_1 entered promiscuous mode [ 38.919725][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.926960][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.934548][ T414] device bridge_slave_0 entered promiscuous mode [ 38.953199][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.960262][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.968101][ T414] device bridge_slave_1 entered promiscuous mode [ 38.980796][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.988046][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.995886][ T413] device bridge_slave_0 entered promiscuous mode [ 39.004629][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.011806][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.019153][ T413] device bridge_slave_1 entered promiscuous mode [ 39.053357][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.060412][ T411] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.068000][ T411] device bridge_slave_0 entered promiscuous mode [ 39.076476][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.083721][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.091236][ T415] device bridge_slave_0 entered promiscuous mode [ 39.098138][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.105413][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.112836][ T415] device bridge_slave_1 entered promiscuous mode [ 39.141545][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.148715][ T411] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.156213][ T411] device bridge_slave_1 entered promiscuous mode [ 39.165800][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.172903][ T409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.180276][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.187532][ T409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.249609][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.256691][ T414] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.263988][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.270995][ T414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.280479][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.287549][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.294903][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.302025][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.331330][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.338653][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.346744][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.354127][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.365435][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.372984][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.381327][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.418408][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.426306][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.434393][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.442369][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.458998][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.467142][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.474170][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.482240][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.490294][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.497943][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.505298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.521616][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.554445][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.562806][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.570203][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.578335][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.586738][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.593825][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.601289][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.609344][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.616373][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.623738][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.631951][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.638960][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.646390][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.654650][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.661678][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.668954][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.676860][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.684961][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.691992][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.715669][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.724328][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.732357][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.740172][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.766555][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.774557][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.782803][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.791486][ T109] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.798596][ T109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.806608][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.815214][ T109] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.822255][ T109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.829663][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.837619][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.846005][ T109] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.853128][ T109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.860577][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.868653][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.876598][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.884663][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.892573][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.900662][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.908588][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.916888][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.926105][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.934344][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.942774][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.950877][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.959174][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.967383][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.975639][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.983647][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.991676][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.001289][ T23] audit: type=1400 audit(1653075028.299:153): avc: denied { mount } for pid=414 comm="syz-executor.4" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 40.031124][ T23] audit: type=1400 audit(1653075028.329:154): avc: denied { mounton } for pid=435 comm="syz-executor.4" path="/root/syzkaller-testdir366240360/syzkaller.cHzaRa/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 40.059434][ T436] FAULT_INJECTION: forcing a failure. [ 40.059434][ T436] name failslab, interval 1, probability 0, space 0, times 1 [ 40.072733][ T436] CPU: 0 PID: 436 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.083502][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.093555][ T436] Call Trace: [ 40.096845][ T436] dump_stack_lvl+0x1e2/0x24b [ 40.101514][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.107173][ T436] dump_stack+0x15/0x17 [ 40.111302][ T436] should_fail+0x3c0/0x510 [ 40.115782][ T436] ? allocate_cgrp_cset_links+0xb3/0x270 [ 40.121613][ T436] __should_failslab+0x9f/0xe0 [ 40.126373][ T436] should_failslab+0x9/0x20 [ 40.130861][ T436] kmem_cache_alloc_trace+0x3a/0x330 [ 40.136123][ T436] allocate_cgrp_cset_links+0xb3/0x270 [ 40.141566][ T436] find_css_set+0xb13/0x1db0 [ 40.146141][ T436] ? _raw_spin_unlock_irq+0x4e/0x70 [ 40.151712][ T436] ? rcu_sync_enter_start+0x70/0x70 [ 40.156881][ T436] ? idr_replace+0x1c4/0x230 [ 40.161443][ T436] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 40.167318][ T436] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.172316][ T436] ? refcount_dec_if_one+0x130/0x130 [ 40.177571][ T436] ? cpumask_next+0x23/0x30 [ 40.182134][ T436] ? percpu_down_write+0x226/0x380 [ 40.187225][ T436] cgroup_migrate_prepare_dst+0xd1/0x950 [ 40.193180][ T436] cgroup_apply_control+0x54e/0x710 [ 40.198512][ T436] ? css_next_child+0x160/0x160 [ 40.203451][ T436] ? __kasan_check_write+0x14/0x20 [ 40.208826][ T436] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.214110][ T436] cgroup_subtree_control_write+0xd19/0x1310 [ 40.220069][ T436] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.226025][ T436] ? __kasan_check_write+0x14/0x20 [ 40.231113][ T436] ? _copy_from_iter+0x3fb/0xd60 [ 40.236035][ T436] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.241988][ T436] cgroup_file_write+0x28e/0x590 [ 40.246898][ T436] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.251985][ T436] ? mutex_lock+0xa6/0x110 [ 40.256379][ T436] ? mutex_trylock+0xb0/0xb0 [ 40.260945][ T436] ? __kasan_check_write+0x14/0x20 [ 40.266031][ T436] kernfs_fop_write_iter+0x2d0/0x410 [ 40.271286][ T436] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.276370][ T436] vfs_write+0xc1c/0xf40 [ 40.280763][ T436] ? kernel_write+0x3c0/0x3c0 [ 40.285413][ T436] ? mutex_trylock+0xb0/0xb0 [ 40.289976][ T436] ? __fdget_pos+0x26d/0x310 [ 40.294537][ T436] ? ksys_write+0x77/0x2c0 [ 40.298927][ T436] ksys_write+0x198/0x2c0 [ 40.303254][ T436] ? __kasan_check_write+0x14/0x20 [ 40.308336][ T436] ? __ia32_sys_read+0x90/0x90 [ 40.313069][ T436] __x64_sys_write+0x7b/0x90 [ 40.317832][ T436] do_syscall_64+0x34/0x70 [ 40.322239][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.328550][ T436] RIP: 0033:0x7f3c1573b0e9 [ 40.332943][ T436] 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 [ 40.352831][ T436] RSP: 002b:00007f3c156b1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.361225][ T436] RAX: ffffffffffffffda RBX: 00007f3c1584df60 RCX: 00007f3c1573b0e9 [ 40.369169][ T436] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.377228][ T436] RBP: 00007f3c156b11d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.385187][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.393145][ T436] R13: 00007ffc1121e50f R14: 00007f3c156b1300 R15: 0000000000022000 [ 40.404937][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.421171][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.429008][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.438660][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.447297][ T439] FAULT_INJECTION: forcing a failure. [ 40.447297][ T439] name failslab, interval 1, probability 0, space 0, times 0 [ 40.447302][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.447487][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.460549][ T439] CPU: 0 PID: 439 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.469341][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.476324][ T439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.476327][ T439] Call Trace: [ 40.476346][ T439] dump_stack_lvl+0x1e2/0x24b [ 40.476355][ T439] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.476372][ T439] dump_stack+0x15/0x17 [ 40.487469][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.495092][ T439] should_fail+0x3c0/0x510 [ 40.495103][ T439] ? allocate_cgrp_cset_links+0xb3/0x270 [ 40.495121][ T439] __should_failslab+0x9f/0xe0 [ 40.506114][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.509034][ T439] should_failslab+0x9/0x20 [ 40.509054][ T439] kmem_cache_alloc_trace+0x3a/0x330 [ 40.513993][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.519264][ T439] allocate_cgrp_cset_links+0xb3/0x270 [ 40.519280][ T439] find_css_set+0xb13/0x1db0 [ 40.523660][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.531005][ T439] ? _raw_spin_unlock_irq+0x4e/0x70 [ 40.531016][ T439] ? rcu_sync_enter_start+0x70/0x70 [ 40.531024][ T439] ? idr_replace+0x1c4/0x230 [ 40.531041][ T439] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 40.535735][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.541306][ T439] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.541317][ T439] ? refcount_dec_if_one+0x130/0x130 [ 40.541325][ T439] ? cpumask_next+0x23/0x30 [ 40.541341][ T439] ? percpu_down_write+0x226/0x380 [ 40.546393][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.554215][ T439] cgroup_migrate_prepare_dst+0xd1/0x950 [ 40.554224][ T439] cgroup_apply_control+0x54e/0x710 [ 40.554238][ T439] ? css_next_child+0x160/0x160 [ 40.554256][ T439] ? __kasan_check_write+0x14/0x20 [ 40.558955][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.564068][ T439] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.564078][ T439] cgroup_subtree_control_write+0xd19/0x1310 [ 40.564087][ T439] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.564104][ T439] ? __kasan_check_write+0x14/0x20 [ 40.572338][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.577599][ T439] ? _copy_from_iter+0x3fb/0xd60 [ 40.577609][ T439] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.577623][ T439] cgroup_file_write+0x28e/0x590 [ 40.582419][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.590235][ T439] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.590254][ T439] ? mutex_lock+0xa6/0x110 [ 40.595780][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.600697][ T439] ? mutex_trylock+0xb0/0xb0 [ 40.600707][ T439] ? __kasan_check_write+0x14/0x20 [ 40.600723][ T439] kernfs_fop_write_iter+0x2d0/0x410 [ 40.605506][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.611149][ T439] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.611159][ T439] vfs_write+0xc1c/0xf40 [ 40.611175][ T439] ? kernel_write+0x3c0/0x3c0 [ 40.619471][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.624216][ T439] ? mutex_trylock+0xb0/0xb0 [ 40.624231][ T439] ? __fdget_pos+0x26d/0x310 [ 40.624246][ T439] ? ksys_write+0x77/0x2c0 [ 40.629873][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.634209][ T439] ksys_write+0x198/0x2c0 [ 40.634221][ T439] ? __ia32_sys_read+0x90/0x90 [ 40.634238][ T439] ? debug_smp_processor_id+0x17/0x20 [ 40.639621][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.647447][ T439] __x64_sys_write+0x7b/0x90 [ 40.647457][ T439] do_syscall_64+0x34/0x70 [ 40.647466][ T439] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.647473][ T439] RIP: 0033:0x7f3c1573b0e9 [ 40.647489][ T439] 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 [ 40.653349][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.658433][ T439] RSP: 002b:00007f3c156b1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.658445][ T439] RAX: ffffffffffffffda RBX: 00007f3c1584df60 RCX: 00007f3c1573b0e9 [ 40.658450][ T439] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.658464][ T439] RBP: 00007f3c156b11d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.663571][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.668372][ T439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.668378][ T439] R13: 00007ffc1121e50f R14: 00007f3c156b1300 R15: 0000000000022000 [ 40.944797][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.952711][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.952952][ T23] audit: type=1400 audit(1653075029.259:155): avc: denied { append } for pid=143 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 [ 40.960901][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.983295][ T23] audit: type=1400 audit(1653075029.259:156): avc: denied { open } for pid=143 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 [ 40.991855][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.014530][ T23] audit: type=1400 audit(1653075029.259:157): avc: denied { getattr } for pid=143 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 [ 41.022534][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.045298][ T443] FAULT_INJECTION: forcing a failure. [ 41.045298][ T443] name failslab, interval 1, probability 0, space 0, times 0 [ 41.053500][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.065958][ T443] CPU: 0 PID: 443 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.073869][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.084213][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.084217][ T443] Call Trace: [ 41.084234][ T443] dump_stack_lvl+0x1e2/0x24b [ 41.084243][ T443] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.084252][ T443] dump_stack+0x15/0x17 [ 41.084260][ T443] should_fail+0x3c0/0x510 [ 41.084270][ T443] ? allocate_cgrp_cset_links+0xb3/0x270 [ 41.084279][ T443] __should_failslab+0x9f/0xe0 [ 41.084289][ T443] should_failslab+0x9/0x20 [ 41.084297][ T443] kmem_cache_alloc_trace+0x3a/0x330 [ 41.084307][ T443] allocate_cgrp_cset_links+0xb3/0x270 [ 41.084315][ T443] find_css_set+0xb13/0x1db0 [ 41.084324][ T443] ? _raw_spin_unlock_irq+0x4e/0x70 [ 41.084335][ T443] ? rcu_sync_enter_start+0x70/0x70 [ 41.084344][ T443] ? idr_replace+0x1c4/0x230 [ 41.084354][ T443] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 41.084362][ T443] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.084373][ T443] ? refcount_dec_if_one+0x130/0x130 [ 41.084381][ T443] ? cpumask_next+0x23/0x30 [ 41.084390][ T443] ? percpu_down_write+0x226/0x380 [ 41.084400][ T443] cgroup_migrate_prepare_dst+0xd1/0x950 [ 41.084411][ T443] cgroup_apply_control+0x54e/0x710 [ 41.084419][ T443] ? css_next_child+0x160/0x160 [ 41.084435][ T443] ? __kasan_check_write+0x14/0x20 [ 41.093679][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.102422][ T443] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.102433][ T443] cgroup_subtree_control_write+0xd19/0x1310 [ 41.102443][ T443] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.102452][ T443] ? __kasan_check_write+0x14/0x20 [ 41.102463][ T443] ? _copy_from_iter+0x3fb/0xd60 [ 41.102472][ T443] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.102478][ T443] cgroup_file_write+0x28e/0x590 [ 41.102487][ T443] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.102496][ T443] ? mutex_lock+0xa6/0x110 [ 41.102505][ T443] ? mutex_trylock+0xb0/0xb0 [ 41.102514][ T443] ? __kasan_check_write+0x14/0x20 [ 41.102524][ T443] kernfs_fop_write_iter+0x2d0/0x410 [ 41.102531][ T443] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.102540][ T443] vfs_write+0xc1c/0xf40 [ 41.102555][ T443] ? kernel_write+0x3c0/0x3c0 [ 41.106884][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.110747][ T443] ? mutex_trylock+0xb0/0xb0 [ 41.110765][ T443] ? __fdget_pos+0x26d/0x310 [ 41.116677][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.120320][ T443] ? ksys_write+0x77/0x2c0 [ 41.120335][ T443] ksys_write+0x198/0x2c0 [ 41.125171][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.130339][ T443] ? __ia32_sys_read+0x90/0x90 [ 41.130351][ T443] ? debug_smp_processor_id+0x17/0x20 [ 41.130369][ T443] __x64_sys_write+0x7b/0x90 [ 41.359980][ T443] do_syscall_64+0x34/0x70 [ 41.364373][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.370241][ T443] RIP: 0033:0x7f3c1573b0e9 [ 41.374630][ T443] 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 [ 41.394306][ T443] RSP: 002b:00007f3c15690168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.402703][ T443] RAX: ffffffffffffffda RBX: 00007f3c1584e030 RCX: 00007f3c1573b0e9 [ 41.414991][ T443] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.424308][ T443] RBP: 00007f3c156901d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.440963][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.457691][ T443] R13: 00007ffc1121e50f R14: 00007f3c15690300 R15: 0000000000022000 [ 41.491952][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.501310][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.509727][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.518728][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.533760][ T445] FAULT_INJECTION: forcing a failure. [ 41.533760][ T445] name failslab, interval 1, probability 0, space 0, times 0 [ 41.547347][ T445] CPU: 0 PID: 445 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.558369][ T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.568753][ T445] Call Trace: [ 41.572208][ T445] dump_stack_lvl+0x1e2/0x24b [ 41.577061][ T445] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.582549][ T445] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.588711][ T445] dump_stack+0x15/0x17 [ 41.593109][ T445] should_fail+0x3c0/0x510 [ 41.597682][ T445] ? __kernfs_new_node+0x99/0x6e0 [ 41.602692][ T445] __should_failslab+0x9f/0xe0 [ 41.607454][ T445] should_failslab+0x9/0x20 [ 41.611938][ T445] __kmalloc_track_caller+0x5f/0x350 [ 41.617424][ T445] kstrdup_const+0x55/0x90 [ 41.621963][ T445] __kernfs_new_node+0x99/0x6e0 [ 41.626798][ T445] ? is_module_text_address+0xe1/0x140 [ 41.632232][ T445] ? kernfs_new_node+0x170/0x170 [ 41.637346][ T445] ? ptr_to_hashval+0x60/0x60 [ 41.642113][ T445] ? arch_stack_walk+0xf8/0x140 [ 41.647119][ T445] ? snprintf+0xd6/0x120 [ 41.651339][ T445] kernfs_new_node+0x97/0x170 [ 41.656082][ T445] __kernfs_create_file+0x4a/0x270 [ 41.661187][ T445] cgroup_addrm_files+0xab8/0xfe0 [ 41.666210][ T445] ? ____kasan_kmalloc+0xdc/0x110 [ 41.671215][ T445] ? __kasan_kmalloc+0x9/0x10 [ 41.676226][ T445] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.682121][ T445] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.688258][ T445] ? delete_node+0x759/0x7b0 [ 41.692837][ T445] ? __kasan_check_read+0x11/0x20 [ 41.698185][ T445] ? delete_node+0x759/0x7b0 [ 41.703016][ T445] ? __kasan_check_write+0x14/0x20 [ 41.708103][ T445] ? idr_replace+0x1c4/0x230 [ 41.712700][ T445] ? idr_get_next+0x4b0/0x4b0 [ 41.717446][ T445] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.722536][ T445] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.727806][ T445] css_populate_dir+0x137/0x370 [ 41.732896][ T445] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.739042][ T445] cgroup_apply_control+0x93/0x710 [ 41.744561][ T445] ? css_next_child+0x160/0x160 [ 41.749408][ T445] ? io_schedule+0x120/0x120 [ 41.754103][ T445] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.760124][ T445] ? __kasan_check_write+0x14/0x20 [ 41.765233][ T445] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.770611][ T445] cgroup_subtree_control_write+0xd19/0x1310 [ 41.776987][ T445] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.782955][ T445] ? __kasan_check_write+0x14/0x20 [ 41.788067][ T445] ? _copy_from_iter+0x3fb/0xd60 [ 41.793079][ T445] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.799226][ T445] cgroup_file_write+0x28e/0x590 [ 41.804180][ T445] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.809385][ T445] ? mutex_lock+0xa6/0x110 [ 41.814051][ T445] ? mutex_trylock+0xb0/0xb0 [ 41.818634][ T445] ? __kasan_check_write+0x14/0x20 [ 41.823726][ T445] kernfs_fop_write_iter+0x2d0/0x410 [ 41.828993][ T445] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.834087][ T445] vfs_write+0xc1c/0xf40 [ 41.838396][ T445] ? kernel_write+0x3c0/0x3c0 [ 41.843053][ T445] ? mutex_trylock+0xb0/0xb0 [ 41.847765][ T445] ? __fdget_pos+0x26d/0x310 [ 41.852358][ T445] ? ksys_write+0x77/0x2c0 [ 41.856749][ T445] ksys_write+0x198/0x2c0 [ 41.861144][ T445] ? __ia32_sys_read+0x90/0x90 [ 41.865992][ T445] ? debug_smp_processor_id+0x17/0x20 [ 41.871360][ T445] __x64_sys_write+0x7b/0x90 [ 41.875935][ T445] do_syscall_64+0x34/0x70 [ 41.880336][ T445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.886209][ T445] RIP: 0033:0x7f3c1573b0e9 [ 41.890718][ T445] 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 [ 41.910399][ T445] RSP: 002b:00007f3c156b1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.918889][ T445] RAX: ffffffffffffffda RBX: 00007f3c1584df60 RCX: 00007f3c1573b0e9 [ 41.926844][ T445] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.934907][ T445] RBP: 00007f3c156b11d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.942894][ T445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.950856][ T445] R13: 00007ffc1121e50f R14: 00007f3c156b1300 R15: 0000000000022000 [ 41.960835][ T445] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.968267][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.978082][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.988123][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.996855][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.016610][ T453] FAULT_INJECTION: forcing a failure. [ 42.016610][ T453] name failslab, interval 1, probability 0, space 0, times 0 [ 42.016811][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.029448][ T453] CPU: 0 PID: 453 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.029462][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.039204][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.048255][ T453] Call Trace: [ 42.048274][ T453] dump_stack_lvl+0x1e2/0x24b [ 42.048284][ T453] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.048294][ T453] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.048303][ T453] dump_stack+0x15/0x17 [ 42.048310][ T453] should_fail+0x3c0/0x510 [ 42.048319][ T453] ? __kernfs_new_node+0x99/0x6e0 [ 42.048328][ T453] __should_failslab+0x9f/0xe0 [ 42.048346][ T453] should_failslab+0x9/0x20 [ 42.109784][ T453] __kmalloc_track_caller+0x5f/0x350 [ 42.115050][ T453] kstrdup_const+0x55/0x90 [ 42.119619][ T453] __kernfs_new_node+0x99/0x6e0 [ 42.124740][ T453] ? is_module_text_address+0xe1/0x140 [ 42.130307][ T453] ? kernfs_new_node+0x170/0x170 [ 42.135323][ T453] ? ptr_to_hashval+0x60/0x60 [ 42.140001][ T453] ? arch_stack_walk+0xf8/0x140 [ 42.144838][ T453] ? snprintf+0xd6/0x120 [ 42.149065][ T453] kernfs_new_node+0x97/0x170 [ 42.153933][ T453] __kernfs_create_file+0x4a/0x270 [ 42.159055][ T453] cgroup_addrm_files+0xab8/0xfe0 [ 42.164159][ T453] ? ____kasan_kmalloc+0xdc/0x110 [ 42.169349][ T453] ? __kasan_kmalloc+0x9/0x10 [ 42.174251][ T453] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.179808][ T453] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.185947][ T453] ? delete_node+0x759/0x7b0 [ 42.190612][ T453] ? __kasan_check_read+0x11/0x20 [ 42.195806][ T453] ? delete_node+0x759/0x7b0 [ 42.200534][ T453] ? __kasan_check_write+0x14/0x20 [ 42.205637][ T453] ? idr_replace+0x1c4/0x230 [ 42.210210][ T453] ? idr_get_next+0x4b0/0x4b0 [ 42.214959][ T453] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.219959][ T453] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.225293][ T453] css_populate_dir+0x137/0x370 [ 42.230235][ T453] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.236194][ T453] cgroup_apply_control+0x93/0x710 [ 42.241585][ T453] ? css_next_child+0x160/0x160 [ 42.246989][ T453] ? io_schedule+0x120/0x120 [ 42.251561][ T453] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.257169][ T453] ? __kasan_check_write+0x14/0x20 [ 42.262260][ T453] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.267532][ T453] cgroup_subtree_control_write+0xd19/0x1310 [ 42.273492][ T453] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.279641][ T453] ? __kasan_check_write+0x14/0x20 [ 42.284854][ T453] ? _copy_from_iter+0x3fb/0xd60 [ 42.289770][ T453] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.295856][ T453] cgroup_file_write+0x28e/0x590 [ 42.301065][ T453] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.306164][ T453] ? mutex_lock+0xa6/0x110 [ 42.310558][ T453] ? mutex_trylock+0xb0/0xb0 [ 42.315129][ T453] ? __kasan_check_write+0x14/0x20 [ 42.320216][ T453] kernfs_fop_write_iter+0x2d0/0x410 [ 42.325483][ T453] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.330742][ T453] vfs_write+0xc1c/0xf40 [ 42.335057][ T453] ? kernel_write+0x3c0/0x3c0 [ 42.339851][ T453] ? mutex_trylock+0xb0/0xb0 [ 42.344418][ T453] ? __fdget_pos+0x26d/0x310 [ 42.348988][ T453] ? ksys_write+0x77/0x2c0 [ 42.353376][ T453] ksys_write+0x198/0x2c0 [ 42.357688][ T453] ? __ia32_sys_read+0x90/0x90 [ 42.362437][ T453] ? debug_smp_processor_id+0x17/0x20 [ 42.367789][ T453] __x64_sys_write+0x7b/0x90 [ 42.372377][ T453] do_syscall_64+0x34/0x70 [ 42.376819][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.382686][ T453] RIP: 0033:0x7f99016a00e9 [ 42.387086][ 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 [ 42.406891][ T453] RSP: 002b:00007f9901616168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.415281][ T453] RAX: ffffffffffffffda RBX: 00007f99017b2f60 RCX: 00007f99016a00e9 [ 42.423233][ T453] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.431180][ T453] RBP: 00007f99016161d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.439217][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.447376][ T453] R13: 00007fffc9e2fd2f R14: 00007f9901616300 R15: 0000000000022000 [ 42.458567][ T453] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.501599][ T465] FAULT_INJECTION: forcing a failure. [ 42.501599][ T465] name failslab, interval 1, probability 0, space 0, times 0 [ 42.514598][ T465] CPU: 0 PID: 465 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.525338][ T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.535514][ T465] Call Trace: [ 42.538791][ T465] dump_stack_lvl+0x1e2/0x24b [ 42.543540][ T465] ? panic+0x7d7/0x7d7 [ 42.547585][ T465] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.553019][ T465] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.559266][ T465] dump_stack+0x15/0x17 [ 42.563412][ T465] should_fail+0x3c0/0x510 [ 42.567823][ T465] __should_failslab+0x9f/0xe0 [ 42.572663][ T465] should_failslab+0x9/0x20 [ 42.577148][ T465] kmem_cache_alloc+0x3f/0x300 [ 42.582080][ T465] ? __kernfs_new_node+0xdb/0x6e0 [ 42.587204][ T465] __kernfs_new_node+0xdb/0x6e0 [ 42.592261][ T465] ? is_module_text_address+0xe1/0x140 [ 42.597960][ T465] ? kernfs_new_node+0x170/0x170 [ 42.603059][ T465] ? ptr_to_hashval+0x60/0x60 [ 42.607729][ T465] ? arch_stack_walk+0xf8/0x140 [ 42.612671][ T465] ? snprintf+0xd6/0x120 [ 42.617036][ T465] kernfs_new_node+0x97/0x170 [ 42.621700][ T465] __kernfs_create_file+0x4a/0x270 [ 42.626890][ T465] cgroup_addrm_files+0xab8/0xfe0 [ 42.632000][ T465] ? ____kasan_kmalloc+0xdc/0x110 [ 42.637087][ T465] ? __kasan_kmalloc+0x9/0x10 [ 42.641738][ T465] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.647265][ T465] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.653402][ T465] ? delete_node+0x759/0x7b0 [ 42.657971][ T465] ? __kasan_check_read+0x11/0x20 [ 42.662969][ T465] ? delete_node+0x759/0x7b0 [ 42.667533][ T465] ? __kasan_check_write+0x14/0x20 [ 42.672630][ T465] ? idr_replace+0x1c4/0x230 [ 42.677194][ T465] ? idr_get_next+0x4b0/0x4b0 [ 42.681856][ T465] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.686869][ T465] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.692059][ T465] css_populate_dir+0x137/0x370 [ 42.697010][ T465] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.702881][ T465] cgroup_apply_control+0x93/0x710 [ 42.707967][ T465] ? css_next_child+0x160/0x160 [ 42.712791][ T465] ? io_schedule+0x120/0x120 [ 42.717581][ T465] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.723020][ T465] ? __kasan_check_write+0x14/0x20 [ 42.728205][ T465] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.733578][ T465] cgroup_subtree_control_write+0xd19/0x1310 [ 42.739553][ T465] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.745688][ T465] ? __kasan_check_write+0x14/0x20 [ 42.750879][ T465] ? _copy_from_iter+0x3fb/0xd60 [ 42.755797][ T465] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.761751][ T465] cgroup_file_write+0x28e/0x590 [ 42.766672][ T465] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.771933][ T465] ? mutex_lock+0xa6/0x110 [ 42.776325][ T465] ? mutex_trylock+0xb0/0xb0 [ 42.780890][ T465] ? __kasan_check_write+0x14/0x20 [ 42.786065][ T465] kernfs_fop_write_iter+0x2d0/0x410 [ 42.791331][ T465] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.796417][ T465] vfs_write+0xc1c/0xf40 [ 42.800642][ T465] ? kernel_write+0x3c0/0x3c0 [ 42.805322][ T465] ? mutex_trylock+0xb0/0xb0 [ 42.809996][ T465] ? __fdget_pos+0x26d/0x310 [ 42.814734][ T465] ? ksys_write+0x77/0x2c0 [ 42.819216][ T465] ksys_write+0x198/0x2c0 [ 42.823695][ T465] ? __ia32_sys_read+0x90/0x90 [ 42.828469][ T465] ? debug_smp_processor_id+0x17/0x20 [ 42.833820][ T465] __x64_sys_write+0x7b/0x90 [ 42.838453][ T465] do_syscall_64+0x34/0x70 [ 42.842938][ T465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.848825][ T465] RIP: 0033:0x7f70e3a4d0e9 [ 42.853317][ T465] 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 [ 42.873106][ T465] RSP: 002b:00007f70e39c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.881670][ T465] RAX: ffffffffffffffda RBX: 00007f70e3b5ff60 RCX: 00007f70e3a4d0e9 [ 42.889809][ T465] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.897766][ T465] RBP: 00007f70e39c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.905897][ T465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.913849][ T465] R13: 00007ffeec94d2cf R14: 00007f70e39c3300 R15: 0000000000022000 [ 42.923355][ T465] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.941665][ T469] FAULT_INJECTION: forcing a failure. [ 42.941665][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 42.954895][ T469] CPU: 1 PID: 469 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.965763][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.975807][ T469] Call Trace: [ 42.979096][ T469] dump_stack_lvl+0x1e2/0x24b [ 42.983883][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.989577][ T469] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.995637][ T469] dump_stack+0x15/0x17 [ 42.999783][ T469] should_fail+0x3c0/0x510 [ 43.004182][ T469] ? __kernfs_new_node+0x99/0x6e0 [ 43.009191][ T469] __should_failslab+0x9f/0xe0 [ 43.013990][ T469] should_failslab+0x9/0x20 [ 43.018471][ T469] __kmalloc_track_caller+0x5f/0x350 [ 43.023732][ T469] kstrdup_const+0x55/0x90 [ 43.028124][ T469] __kernfs_new_node+0x99/0x6e0 [ 43.033000][ T469] ? is_module_text_address+0xe1/0x140 [ 43.038528][ T469] ? kernfs_new_node+0x170/0x170 [ 43.043874][ T469] ? ptr_to_hashval+0x60/0x60 [ 43.048523][ T469] ? arch_stack_walk+0xf8/0x140 [ 43.053346][ T469] ? snprintf+0xd6/0x120 [ 43.057561][ T469] kernfs_new_node+0x97/0x170 [ 43.062260][ T469] __kernfs_create_file+0x4a/0x270 [ 43.067396][ T469] cgroup_addrm_files+0xab8/0xfe0 [ 43.072480][ T469] ? ____kasan_kmalloc+0xdc/0x110 [ 43.077517][ T469] ? __kasan_kmalloc+0x9/0x10 [ 43.082267][ T469] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.087826][ T469] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.093954][ T469] ? delete_node+0x759/0x7b0 [ 43.098519][ T469] ? __kasan_check_read+0x11/0x20 [ 43.103687][ T469] ? delete_node+0x759/0x7b0 [ 43.108376][ T469] ? __kasan_check_write+0x14/0x20 [ 43.114158][ T469] ? idr_replace+0x1c4/0x230 [ 43.118835][ T469] ? idr_get_next+0x4b0/0x4b0 [ 43.123487][ T469] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.128574][ T469] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.133751][ T469] css_populate_dir+0x137/0x370 [ 43.138671][ T469] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.144627][ T469] cgroup_apply_control+0x93/0x710 [ 43.149712][ T469] ? css_next_child+0x160/0x160 [ 43.154621][ T469] ? io_schedule+0x120/0x120 [ 43.159278][ T469] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.164722][ T469] ? __kasan_check_write+0x14/0x20 [ 43.170032][ T469] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.175305][ T469] cgroup_subtree_control_write+0xd19/0x1310 [ 43.181268][ T469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.187465][ T469] ? __kasan_check_write+0x14/0x20 [ 43.192552][ T469] ? _copy_from_iter+0x3fb/0xd60 [ 43.197464][ T469] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.203427][ T469] cgroup_file_write+0x28e/0x590 [ 43.208433][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.213526][ T469] ? mutex_lock+0xa6/0x110 [ 43.217950][ T469] ? mutex_trylock+0xb0/0xb0 [ 43.222515][ T469] ? __kasan_check_write+0x14/0x20 [ 43.227603][ T469] kernfs_fop_write_iter+0x2d0/0x410 [ 43.232861][ T469] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.237948][ T469] vfs_write+0xc1c/0xf40 [ 43.242167][ T469] ? kernel_write+0x3c0/0x3c0 [ 43.246831][ T469] ? mutex_trylock+0xb0/0xb0 [ 43.251410][ T469] ? __fdget_pos+0x26d/0x310 [ 43.256073][ T469] ? ksys_write+0x77/0x2c0 [ 43.260469][ T469] ksys_write+0x198/0x2c0 [ 43.264901][ T469] ? __ia32_sys_read+0x90/0x90 [ 43.269640][ T469] ? debug_smp_processor_id+0x17/0x20 [ 43.274985][ T469] __x64_sys_write+0x7b/0x90 [ 43.279549][ T469] do_syscall_64+0x34/0x70 [ 43.283939][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.289807][ T469] RIP: 0033:0x7fd0ea2f70e9 [ 43.294196][ 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 [ 43.313866][ T469] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.322260][ T469] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 43.330299][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.338266][ T469] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.346214][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.354165][ T469] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 43.365052][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.416278][ T467] FAULT_INJECTION: forcing a failure. [ 43.416278][ T467] name failslab, interval 1, probability 0, space 0, times 0 [ 43.429271][ T467] CPU: 0 PID: 467 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.440037][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.450173][ T467] Call Trace: [ 43.453448][ T467] dump_stack_lvl+0x1e2/0x24b [ 43.458276][ T467] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.463737][ T467] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.469789][ T467] dump_stack+0x15/0x17 [ 43.473935][ T467] should_fail+0x3c0/0x510 [ 43.478333][ T467] ? __kernfs_new_node+0x99/0x6e0 [ 43.483464][ T467] __should_failslab+0x9f/0xe0 [ 43.488407][ T467] should_failslab+0x9/0x20 [ 43.492893][ T467] __kmalloc_track_caller+0x5f/0x350 [ 43.498169][ T467] kstrdup_const+0x55/0x90 [ 43.502650][ T467] __kernfs_new_node+0x99/0x6e0 [ 43.507478][ T467] ? is_module_text_address+0xe1/0x140 [ 43.513009][ T467] ? kernfs_new_node+0x170/0x170 [ 43.518309][ T467] ? ptr_to_hashval+0x60/0x60 [ 43.523054][ T467] ? arch_stack_walk+0xf8/0x140 [ 43.527893][ T467] ? snprintf+0xd6/0x120 [ 43.532297][ T467] kernfs_new_node+0x97/0x170 [ 43.537213][ T467] __kernfs_create_file+0x4a/0x270 [ 43.542299][ T467] cgroup_addrm_files+0xab8/0xfe0 [ 43.547304][ T467] ? ____kasan_kmalloc+0xdc/0x110 [ 43.552491][ T467] ? __kasan_kmalloc+0x9/0x10 [ 43.557319][ T467] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.562952][ T467] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.569113][ T467] ? delete_node+0x759/0x7b0 [ 43.573688][ T467] ? __kasan_check_read+0x11/0x20 [ 43.578704][ T467] ? delete_node+0x759/0x7b0 [ 43.583287][ T467] ? __kasan_check_write+0x14/0x20 [ 43.588905][ T467] ? idr_replace+0x1c4/0x230 [ 43.593475][ T467] ? idr_get_next+0x4b0/0x4b0 [ 43.598129][ T467] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.603132][ T467] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.608400][ T467] css_populate_dir+0x137/0x370 [ 43.613237][ T467] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.619198][ T467] cgroup_apply_control+0x93/0x710 [ 43.624374][ T467] ? css_next_child+0x160/0x160 [ 43.629196][ T467] ? io_schedule+0x120/0x120 [ 43.634167][ T467] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.639882][ T467] ? __kasan_check_write+0x14/0x20 [ 43.645073][ T467] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.650512][ T467] cgroup_subtree_control_write+0xd19/0x1310 [ 43.656732][ T467] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.662693][ T467] ? __kasan_check_write+0x14/0x20 [ 43.667776][ T467] ? _copy_from_iter+0x3fb/0xd60 [ 43.672692][ T467] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.678660][ T467] cgroup_file_write+0x28e/0x590 [ 43.683574][ T467] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.688670][ T467] ? mutex_lock+0xa6/0x110 [ 43.693157][ T467] ? mutex_trylock+0xb0/0xb0 [ 43.697751][ T467] ? __kasan_check_write+0x14/0x20 [ 43.702843][ T467] kernfs_fop_write_iter+0x2d0/0x410 [ 43.708106][ T467] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.713201][ T467] vfs_write+0xc1c/0xf40 [ 43.717432][ T467] ? kernel_write+0x3c0/0x3c0 [ 43.722217][ T467] ? mutex_trylock+0xb0/0xb0 [ 43.726877][ T467] ? __fdget_pos+0x26d/0x310 [ 43.731547][ T467] ? ksys_write+0x77/0x2c0 [ 43.736045][ T467] ksys_write+0x198/0x2c0 [ 43.740348][ T467] ? __ia32_sys_read+0x90/0x90 [ 43.745083][ T467] ? debug_smp_processor_id+0x17/0x20 [ 43.750450][ T467] __x64_sys_write+0x7b/0x90 [ 43.755022][ T467] do_syscall_64+0x34/0x70 [ 43.759608][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.765482][ T467] RIP: 0033:0x7f99016a00e9 [ 43.769963][ T467] 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 [ 43.789721][ T467] RSP: 002b:00007f9901616168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.798250][ T467] RAX: ffffffffffffffda RBX: 00007f99017b2f60 RCX: 00007f99016a00e9 [ 43.806210][ T467] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/20 19:30:32 executed programs: 16 [ 43.814249][ T467] RBP: 00007f99016161d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.822312][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.830264][ T467] R13: 00007fffc9e2fd2f R14: 00007f9901616300 R15: 0000000000022000 [ 43.840057][ T467] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.861474][ T459] FAULT_INJECTION: forcing a failure. [ 43.861474][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 43.874448][ T459] CPU: 1 PID: 459 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.885274][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.895829][ T459] Call Trace: [ 43.899121][ T459] dump_stack_lvl+0x1e2/0x24b [ 43.903775][ T459] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.909274][ T459] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.915318][ T459] dump_stack+0x15/0x17 [ 43.919562][ T459] should_fail+0x3c0/0x510 [ 43.923949][ T459] ? __kernfs_new_node+0x99/0x6e0 [ 43.928951][ T459] __should_failslab+0x9f/0xe0 [ 43.933772][ T459] should_failslab+0x9/0x20 [ 43.938248][ T459] __kmalloc_track_caller+0x5f/0x350 [ 43.943511][ T459] kstrdup_const+0x55/0x90 [ 43.948011][ T459] __kernfs_new_node+0x99/0x6e0 [ 43.953009][ T459] ? is_module_text_address+0xe1/0x140 [ 43.958442][ T459] ? kernfs_new_node+0x170/0x170 [ 43.963356][ T459] ? ptr_to_hashval+0x60/0x60 [ 43.968002][ T459] ? arch_stack_walk+0xf8/0x140 [ 43.972820][ T459] ? snprintf+0xd6/0x120 [ 43.977120][ T459] kernfs_new_node+0x97/0x170 [ 43.981865][ T459] __kernfs_create_file+0x4a/0x270 [ 43.986969][ T459] cgroup_addrm_files+0xab8/0xfe0 [ 43.991967][ T459] ? ____kasan_kmalloc+0xdc/0x110 [ 43.996978][ T459] ? __kasan_kmalloc+0x9/0x10 [ 44.001712][ T459] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.007318][ T459] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.013463][ T459] ? delete_node+0x759/0x7b0 [ 44.018032][ T459] ? __kasan_check_read+0x11/0x20 [ 44.023123][ T459] ? delete_node+0x759/0x7b0 [ 44.027683][ T459] ? __kasan_check_write+0x14/0x20 [ 44.032787][ T459] ? idr_replace+0x1c4/0x230 [ 44.037354][ T459] ? idr_get_next+0x4b0/0x4b0 [ 44.042021][ T459] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.047018][ T459] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.052194][ T459] css_populate_dir+0x137/0x370 [ 44.057016][ T459] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.062979][ T459] cgroup_apply_control+0x93/0x710 [ 44.068066][ T459] ? css_next_child+0x160/0x160 [ 44.072887][ T459] ? release_task_stack+0x56a/0x660 [ 44.078147][ T459] ? io_schedule+0x120/0x120 [ 44.082712][ T459] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.088143][ T459] ? __kasan_check_write+0x14/0x20 [ 44.093226][ T459] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.098480][ T459] cgroup_subtree_control_write+0xd19/0x1310 [ 44.104432][ T459] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.110384][ T459] ? __kasan_check_write+0x14/0x20 [ 44.115473][ T459] ? _copy_from_iter+0x3fb/0xd60 [ 44.120390][ T459] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.126439][ T459] cgroup_file_write+0x28e/0x590 [ 44.131348][ T459] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.136429][ T459] ? mutex_lock+0xa6/0x110 [ 44.140845][ T459] ? mutex_trylock+0xb0/0xb0 [ 44.145418][ T459] ? __kasan_check_write+0x14/0x20 [ 44.150591][ T459] kernfs_fop_write_iter+0x2d0/0x410 [ 44.155935][ T459] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.161136][ T459] vfs_write+0xc1c/0xf40 [ 44.165375][ T459] ? kernel_write+0x3c0/0x3c0 [ 44.170023][ T459] ? mutex_trylock+0xb0/0xb0 [ 44.174591][ T459] ? __fdget_pos+0x26d/0x310 [ 44.179155][ T459] ? ksys_write+0x77/0x2c0 [ 44.183716][ T459] ksys_write+0x198/0x2c0 [ 44.188016][ T459] ? __ia32_sys_read+0x90/0x90 [ 44.192928][ T459] ? debug_smp_processor_id+0x17/0x20 [ 44.198294][ T459] __x64_sys_write+0x7b/0x90 [ 44.202865][ T459] do_syscall_64+0x34/0x70 [ 44.207298][ T459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.213162][ T459] RIP: 0033:0x7f9bcf45d0e9 [ 44.217574][ T459] 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 [ 44.237414][ T459] RSP: 002b:00007f9bcf3b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.246063][ T459] RAX: ffffffffffffffda RBX: 00007f9bcf570030 RCX: 00007f9bcf45d0e9 [ 44.254100][ T459] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.262165][ T459] RBP: 00007f9bcf3b21d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.270117][ T459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.278193][ T459] R13: 00007ffc377ef5df R14: 00007f9bcf3b2300 R15: 0000000000022000 [ 44.288807][ T459] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.331761][ T476] FAULT_INJECTION: forcing a failure. [ 44.331761][ T476] name failslab, interval 1, probability 0, space 0, times 0 [ 44.344584][ T476] CPU: 0 PID: 476 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.355466][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.365695][ T476] Call Trace: [ 44.369069][ T476] dump_stack_lvl+0x1e2/0x24b [ 44.373923][ T476] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.379446][ T476] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.385491][ T476] dump_stack+0x15/0x17 [ 44.389622][ T476] should_fail+0x3c0/0x510 [ 44.394030][ T476] ? __kernfs_new_node+0x99/0x6e0 [ 44.399054][ T476] __should_failslab+0x9f/0xe0 [ 44.403822][ T476] should_failslab+0x9/0x20 [ 44.408405][ T476] __kmalloc_track_caller+0x5f/0x350 [ 44.413677][ T476] kstrdup_const+0x55/0x90 [ 44.418365][ T476] __kernfs_new_node+0x99/0x6e0 [ 44.423202][ T476] ? is_module_text_address+0xe1/0x140 [ 44.428640][ T476] ? kernfs_new_node+0x170/0x170 [ 44.433694][ T476] ? ptr_to_hashval+0x60/0x60 [ 44.438353][ T476] ? arch_stack_walk+0xf8/0x140 [ 44.443193][ T476] ? snprintf+0xd6/0x120 [ 44.447502][ T476] kernfs_new_node+0x97/0x170 [ 44.452165][ T476] __kernfs_create_file+0x4a/0x270 [ 44.457314][ T476] cgroup_addrm_files+0xab8/0xfe0 [ 44.462317][ T476] ? ____kasan_kmalloc+0xdc/0x110 [ 44.467410][ T476] ? __kasan_kmalloc+0x9/0x10 [ 44.472157][ T476] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.477705][ T476] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.484041][ T476] ? delete_node+0x759/0x7b0 [ 44.488614][ T476] ? __kasan_check_read+0x11/0x20 [ 44.493628][ T476] ? delete_node+0x759/0x7b0 [ 44.498197][ T476] ? __kasan_check_write+0x14/0x20 [ 44.503405][ T476] ? idr_replace+0x1c4/0x230 [ 44.508070][ T476] ? idr_get_next+0x4b0/0x4b0 [ 44.512981][ T476] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.517977][ T476] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.523326][ T476] css_populate_dir+0x137/0x370 [ 44.528156][ T476] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.534781][ T476] cgroup_apply_control+0x93/0x710 [ 44.539877][ T476] ? css_next_child+0x160/0x160 [ 44.544800][ T476] ? io_schedule+0x120/0x120 [ 44.549373][ T476] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.554835][ T476] ? __kasan_check_write+0x14/0x20 [ 44.559930][ T476] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.565302][ T476] cgroup_subtree_control_write+0xd19/0x1310 [ 44.571274][ T476] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.577420][ T476] ? __kasan_check_write+0x14/0x20 [ 44.582770][ T476] ? _copy_from_iter+0x3fb/0xd60 [ 44.587768][ T476] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.593731][ T476] cgroup_file_write+0x28e/0x590 [ 44.598652][ T476] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.603850][ T476] ? mutex_lock+0xa6/0x110 [ 44.608291][ T476] ? mutex_trylock+0xb0/0xb0 [ 44.612856][ T476] ? __kasan_check_write+0x14/0x20 [ 44.617943][ T476] kernfs_fop_write_iter+0x2d0/0x410 [ 44.623211][ T476] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.628294][ T476] vfs_write+0xc1c/0xf40 [ 44.632514][ T476] ? kernel_write+0x3c0/0x3c0 [ 44.637684][ T476] ? mutex_trylock+0xb0/0xb0 [ 44.642305][ T476] ? __fdget_pos+0x26d/0x310 [ 44.646887][ T476] ? ksys_write+0x77/0x2c0 [ 44.651383][ T476] ksys_write+0x198/0x2c0 [ 44.655693][ T476] ? __ia32_sys_read+0x90/0x90 [ 44.660523][ T476] ? debug_smp_processor_id+0x17/0x20 [ 44.665964][ T476] __x64_sys_write+0x7b/0x90 [ 44.670550][ T476] do_syscall_64+0x34/0x70 [ 44.674942][ T476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.680807][ T476] RIP: 0033:0x7f70e3a4d0e9 [ 44.685200][ T476] 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 [ 44.704871][ T476] RSP: 002b:00007f70e39c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.713350][ T476] RAX: ffffffffffffffda RBX: 00007f70e3b5ff60 RCX: 00007f70e3a4d0e9 [ 44.721299][ T476] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.729338][ T476] RBP: 00007f70e39c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.737373][ T476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.745321][ T476] R13: 00007ffeec94d2cf R14: 00007f70e39c3300 R15: 0000000000022000 [ 44.755789][ T476] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.801937][ T478] FAULT_INJECTION: forcing a failure. [ 44.801937][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 44.815032][ T478] CPU: 1 PID: 478 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.825770][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.835981][ T478] Call Trace: [ 44.839252][ T478] dump_stack_lvl+0x1e2/0x24b [ 44.844165][ T478] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.849597][ T478] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.855736][ T478] dump_stack+0x15/0x17 [ 44.859956][ T478] should_fail+0x3c0/0x510 [ 44.864347][ T478] ? __kernfs_new_node+0x99/0x6e0 [ 44.869347][ T478] __should_failslab+0x9f/0xe0 [ 44.874086][ T478] should_failslab+0x9/0x20 [ 44.879173][ T478] __kmalloc_track_caller+0x5f/0x350 [ 44.884521][ T478] kstrdup_const+0x55/0x90 [ 44.888912][ T478] __kernfs_new_node+0x99/0x6e0 [ 44.893852][ T478] ? is_module_text_address+0xe1/0x140 [ 44.899285][ T478] ? kernfs_new_node+0x170/0x170 [ 44.904203][ T478] ? ptr_to_hashval+0x60/0x60 [ 44.908859][ T478] ? arch_stack_walk+0xf8/0x140 [ 44.913796][ T478] ? snprintf+0xd6/0x120 [ 44.918098][ T478] kernfs_new_node+0x97/0x170 [ 44.922753][ T478] __kernfs_create_file+0x4a/0x270 [ 44.928103][ T478] cgroup_addrm_files+0xab8/0xfe0 [ 44.933104][ T478] ? ____kasan_kmalloc+0xdc/0x110 [ 44.938195][ T478] ? __kasan_kmalloc+0x9/0x10 [ 44.942855][ T478] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.948413][ T478] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.954551][ T478] ? delete_node+0x759/0x7b0 [ 44.959122][ T478] ? __kasan_check_read+0x11/0x20 [ 44.964205][ T478] ? delete_node+0x759/0x7b0 [ 44.968950][ T478] ? __kasan_check_write+0x14/0x20 [ 44.974064][ T478] ? idr_replace+0x1c4/0x230 [ 44.978635][ T478] ? idr_get_next+0x4b0/0x4b0 [ 44.983295][ T478] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.988389][ T478] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.993588][ T478] css_populate_dir+0x137/0x370 [ 44.998641][ T478] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.004727][ T478] cgroup_apply_control+0x93/0x710 [ 45.009818][ T478] ? css_next_child+0x160/0x160 [ 45.014743][ T478] ? io_schedule+0x120/0x120 [ 45.019408][ T478] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.024850][ T478] ? __kasan_check_write+0x14/0x20 [ 45.029936][ T478] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.035221][ T478] cgroup_subtree_control_write+0xd19/0x1310 [ 45.041237][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.047261][ T478] ? __kasan_check_write+0x14/0x20 [ 45.052356][ T478] ? _copy_from_iter+0x3fb/0xd60 [ 45.057268][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.063392][ T478] cgroup_file_write+0x28e/0x590 [ 45.068303][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.073499][ T478] ? mutex_lock+0xa6/0x110 [ 45.077985][ T478] ? mutex_trylock+0xb0/0xb0 [ 45.082642][ T478] ? __kasan_check_write+0x14/0x20 [ 45.087741][ T478] kernfs_fop_write_iter+0x2d0/0x410 [ 45.093004][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.098243][ T478] vfs_write+0xc1c/0xf40 [ 45.102487][ T478] ? kernel_write+0x3c0/0x3c0 [ 45.107145][ T478] ? mutex_trylock+0xb0/0xb0 [ 45.111719][ T478] ? __fdget_pos+0x26d/0x310 [ 45.116300][ T478] ? ksys_write+0x77/0x2c0 [ 45.120696][ T478] ksys_write+0x198/0x2c0 [ 45.125099][ T478] ? __ia32_sys_read+0x90/0x90 [ 45.129852][ T478] ? debug_smp_processor_id+0x17/0x20 [ 45.135295][ T478] __x64_sys_write+0x7b/0x90 [ 45.139870][ T478] do_syscall_64+0x34/0x70 [ 45.144273][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.150206][ T478] RIP: 0033:0x7f99016a00e9 [ 45.154606][ T478] 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 [ 45.174501][ T478] RSP: 002b:00007f9901616168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.182920][ T478] RAX: ffffffffffffffda RBX: 00007f99017b2f60 RCX: 00007f99016a00e9 [ 45.191243][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.199329][ T478] RBP: 00007f99016161d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.207280][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.215233][ T478] R13: 00007fffc9e2fd2f R14: 00007f9901616300 R15: 0000000000022000 [ 45.225629][ T478] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 45.261523][ T481] FAULT_INJECTION: forcing a failure. [ 45.261523][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 45.274416][ T481] CPU: 1 PID: 481 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.285247][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.295815][ T481] Call Trace: [ 45.299087][ T481] dump_stack_lvl+0x1e2/0x24b [ 45.303750][ T481] ? panic+0x7d7/0x7d7 [ 45.307805][ T481] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.313243][ T481] ? find_next_bit+0xd6/0x120 [ 45.317895][ T481] ? cpumask_next+0x11/0x30 [ 45.322383][ T481] dump_stack+0x15/0x17 [ 45.326521][ T481] should_fail+0x3c0/0x510 [ 45.330916][ T481] ? percpu_ref_init+0xd0/0x330 [ 45.335876][ T481] __should_failslab+0x9f/0xe0 [ 45.340618][ T481] should_failslab+0x9/0x20 [ 45.345102][ T481] kmem_cache_alloc_trace+0x3a/0x330 [ 45.350371][ T481] percpu_ref_init+0xd0/0x330 [ 45.355034][ T481] ? cgroup_setup_root+0xea0/0xea0 [ 45.360120][ T481] cgroup_apply_control_enable+0x3a2/0x12f0 [ 45.365994][ T481] cgroup_apply_control+0x93/0x710 [ 45.371172][ T481] ? css_next_child+0x160/0x160 [ 45.376004][ T481] ? io_schedule+0x120/0x120 [ 45.380575][ T481] ? __kasan_check_write+0x14/0x20 [ 45.385673][ T481] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.391038][ T481] cgroup_subtree_control_write+0xd19/0x1310 [ 45.397084][ T481] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.403212][ T481] ? __kasan_check_write+0x14/0x20 [ 45.408299][ T481] ? _copy_from_iter+0x3fb/0xd60 [ 45.413216][ T481] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.419164][ T481] cgroup_file_write+0x28e/0x590 [ 45.424101][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.429412][ T481] ? mutex_lock+0xa6/0x110 [ 45.434479][ T481] ? mutex_trylock+0xb0/0xb0 [ 45.439138][ T481] ? __kasan_check_write+0x14/0x20 [ 45.444223][ T481] kernfs_fop_write_iter+0x2d0/0x410 [ 45.449484][ T481] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.454924][ T481] vfs_write+0xc1c/0xf40 [ 45.459144][ T481] ? kernel_write+0x3c0/0x3c0 [ 45.463798][ T481] ? mutex_trylock+0xb0/0xb0 [ 45.468540][ T481] ? __fdget_pos+0x26d/0x310 [ 45.473101][ T481] ? ksys_write+0x77/0x2c0 [ 45.477671][ T481] ksys_write+0x198/0x2c0 [ 45.482068][ T481] ? __ia32_sys_read+0x90/0x90 [ 45.486820][ T481] ? debug_smp_processor_id+0x17/0x20 [ 45.492165][ T481] __x64_sys_write+0x7b/0x90 [ 45.496737][ T481] do_syscall_64+0x34/0x70 [ 45.501141][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.507005][ T481] RIP: 0033:0x7f9bcf45d0e9 [ 45.511392][ 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 [ 45.530977][ T481] RSP: 002b:00007f9bcf3b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.539392][ T481] RAX: ffffffffffffffda RBX: 00007f9bcf570030 RCX: 00007f9bcf45d0e9 [ 45.547364][ T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.555397][ T481] RBP: 00007f9bcf3b21d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.563612][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.571738][ T481] R13: 00007ffc377ef5df R14: 00007f9bcf3b2300 R15: 0000000000022000 [ 45.581526][ T23] audit: type=1400 audit(1653075033.889:158): avc: denied { remove_name } for pid=143 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 [ 45.604651][ T23] audit: type=1400 audit(1653075033.889:159): avc: denied { rename } for pid=143 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 [ 45.627131][ T23] audit: type=1400 audit(1653075033.889:160): avc: denied { create } for pid=143 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 45.648556][ T458] FAULT_INJECTION: forcing a failure. [ 45.648556][ T458] name failslab, interval 1, probability 0, space 0, times 0 [ 45.661648][ T458] CPU: 1 PID: 458 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.672729][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.682768][ T458] Call Trace: [ 45.686039][ T458] dump_stack_lvl+0x1e2/0x24b [ 45.690691][ T458] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.696122][ T458] ? selinux_kernfs_init_security+0x1a8/0x760 [ 45.702173][ T458] dump_stack+0x15/0x17 [ 45.706311][ T458] should_fail+0x3c0/0x510 [ 45.712010][ T458] ? __kernfs_new_node+0x99/0x6e0 [ 45.717100][ T458] __should_failslab+0x9f/0xe0 [ 45.721932][ T458] should_failslab+0x9/0x20 [ 45.726515][ T458] __kmalloc_track_caller+0x5f/0x350 [ 45.731784][ T458] kstrdup_const+0x55/0x90 [ 45.736178][ T458] __kernfs_new_node+0x99/0x6e0 [ 45.741351][ T458] ? is_module_text_address+0xe1/0x140 [ 45.746804][ T458] ? kernfs_new_node+0x170/0x170 [ 45.751722][ T458] ? ptr_to_hashval+0x60/0x60 [ 45.756378][ T458] ? arch_stack_walk+0xf8/0x140 [ 45.761209][ T458] ? snprintf+0xd6/0x120 [ 45.765430][ T458] kernfs_new_node+0x97/0x170 [ 45.770082][ T458] __kernfs_create_file+0x4a/0x270 [ 45.775171][ T458] cgroup_addrm_files+0xab8/0xfe0 [ 45.780265][ T458] ? ____kasan_kmalloc+0xdc/0x110 [ 45.785439][ T458] ? __kasan_kmalloc+0x9/0x10 [ 45.790186][ T458] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 45.795710][ T458] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 45.802106][ T458] ? delete_node+0x759/0x7b0 [ 45.806794][ T458] ? __kasan_check_read+0x11/0x20 [ 45.811794][ T458] ? delete_node+0x759/0x7b0 [ 45.816358][ T458] ? __kasan_check_write+0x14/0x20 [ 45.821446][ T458] ? idr_replace+0x1c4/0x230 [ 45.826011][ T458] ? idr_get_next+0x4b0/0x4b0 [ 45.830662][ T458] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.835664][ T458] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.840835][ T458] css_populate_dir+0x137/0x370 [ 45.845660][ T458] cgroup_apply_control_enable+0x8b9/0x12f0 [ 45.851550][ T458] cgroup_apply_control+0x93/0x710 [ 45.856641][ T458] ? css_next_child+0x160/0x160 [ 45.861470][ T458] ? io_schedule+0x120/0x120 [ 45.866037][ T458] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.871471][ T458] ? __kasan_check_write+0x14/0x20 [ 45.876565][ T458] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.881928][ T458] cgroup_subtree_control_write+0xd19/0x1310 [ 45.887982][ T458] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.894237][ T458] ? __kasan_check_write+0x14/0x20 [ 45.899327][ T458] ? _copy_from_iter+0x3fb/0xd60 [ 45.904239][ T458] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.910193][ T458] cgroup_file_write+0x28e/0x590 [ 45.915193][ T458] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.920280][ T458] ? mutex_lock+0xa6/0x110 [ 45.924858][ T458] ? mutex_trylock+0xb0/0xb0 [ 45.929427][ T458] ? __kasan_check_write+0x14/0x20 [ 45.934516][ T458] kernfs_fop_write_iter+0x2d0/0x410 [ 45.939781][ T458] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.944955][ T458] vfs_write+0xc1c/0xf40 [ 45.949173][ T458] ? kernel_write+0x3c0/0x3c0 [ 45.953923][ T458] ? mutex_trylock+0xb0/0xb0 [ 45.958579][ T458] ? __fdget_pos+0x26d/0x310 [ 45.963158][ T458] ? ksys_write+0x77/0x2c0 [ 45.967566][ T458] ksys_write+0x198/0x2c0 [ 45.971887][ T458] ? __ia32_sys_read+0x90/0x90 [ 45.976743][ T458] ? debug_smp_processor_id+0x17/0x20 [ 45.982091][ T458] __x64_sys_write+0x7b/0x90 [ 45.986661][ T458] do_syscall_64+0x34/0x70 [ 45.991194][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.997247][ T458] RIP: 0033:0x7f3c1573b0e9 [ 46.001640][ 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 [ 46.021436][ T458] RSP: 002b:00007f3c15690168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.029911][ T458] RAX: ffffffffffffffda RBX: 00007f3c1584e030 RCX: 00007f3c1573b0e9 [ 46.038061][ T458] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.046025][ T458] RBP: 00007f3c156901d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.054152][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.062469][ T458] R13: 00007ffc1121e50f R14: 00007f3c15690300 R15: 0000000000022000 [ 46.071070][ T458] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.136407][ T484] FAULT_INJECTION: forcing a failure. [ 46.136407][ T484] name failslab, interval 1, probability 0, space 0, times 0 [ 46.149176][ T484] CPU: 1 PID: 484 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.160019][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.170080][ T484] Call Trace: [ 46.173368][ T484] dump_stack_lvl+0x1e2/0x24b [ 46.178023][ T484] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.183545][ T484] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.189586][ T484] dump_stack+0x15/0x17 [ 46.193721][ T484] should_fail+0x3c0/0x510 [ 46.198241][ T484] ? __kernfs_new_node+0x99/0x6e0 [ 46.203244][ T484] __should_failslab+0x9f/0xe0 [ 46.207986][ T484] should_failslab+0x9/0x20 [ 46.212486][ T484] __kmalloc_track_caller+0x5f/0x350 [ 46.217751][ T484] kstrdup_const+0x55/0x90 [ 46.222149][ T484] __kernfs_new_node+0x99/0x6e0 [ 46.226979][ T484] ? is_module_text_address+0xe1/0x140 [ 46.232505][ T484] ? kernfs_new_node+0x170/0x170 [ 46.237528][ T484] ? ptr_to_hashval+0x60/0x60 [ 46.242179][ T484] ? arch_stack_walk+0xf8/0x140 [ 46.247010][ T484] ? snprintf+0xd6/0x120 [ 46.251231][ T484] kernfs_new_node+0x97/0x170 [ 46.255886][ T484] __kernfs_create_file+0x4a/0x270 [ 46.260980][ T484] cgroup_addrm_files+0xab8/0xfe0 [ 46.265987][ T484] ? ____kasan_kmalloc+0xdc/0x110 [ 46.271246][ T484] ? __kasan_kmalloc+0x9/0x10 [ 46.275935][ T484] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.281461][ T484] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.287599][ T484] ? delete_node+0x759/0x7b0 [ 46.292263][ T484] ? __kasan_check_read+0x11/0x20 [ 46.297279][ T484] ? delete_node+0x759/0x7b0 [ 46.302021][ T484] ? __kasan_check_write+0x14/0x20 [ 46.307207][ T484] ? idr_replace+0x1c4/0x230 [ 46.311880][ T484] ? idr_get_next+0x4b0/0x4b0 [ 46.316718][ T484] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.321722][ T484] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.326990][ T484] css_populate_dir+0x137/0x370 [ 46.331821][ T484] cgroup_apply_control_enable+0x8b9/0x12f0 [ 46.337692][ T484] cgroup_apply_control+0x93/0x710 [ 46.342779][ T484] ? css_next_child+0x160/0x160 [ 46.347603][ T484] ? io_schedule+0x120/0x120 [ 46.352269][ T484] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.357705][ T484] ? __kasan_check_write+0x14/0x20 [ 46.362999][ T484] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.368347][ T484] cgroup_subtree_control_write+0xd19/0x1310 [ 46.374400][ T484] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.380541][ T484] ? __kasan_check_write+0x14/0x20 [ 46.385632][ T484] ? _copy_from_iter+0x3fb/0xd60 [ 46.391002][ T484] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.396986][ T484] cgroup_file_write+0x28e/0x590 [ 46.401907][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.407085][ T484] ? mutex_lock+0xa6/0x110 [ 46.411566][ T484] ? mutex_trylock+0xb0/0xb0 [ 46.416138][ T484] ? __kasan_check_write+0x14/0x20 [ 46.421232][ T484] kernfs_fop_write_iter+0x2d0/0x410 [ 46.426588][ T484] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.431949][ T484] vfs_write+0xc1c/0xf40 [ 46.436436][ T484] ? kernel_write+0x3c0/0x3c0 [ 46.441116][ T484] ? mutex_trylock+0xb0/0xb0 [ 46.445690][ T484] ? __fdget_pos+0x26d/0x310 [ 46.450348][ T484] ? ksys_write+0x77/0x2c0 [ 46.454760][ T484] ksys_write+0x198/0x2c0 [ 46.459090][ T484] ? __ia32_sys_read+0x90/0x90 [ 46.463848][ T484] ? debug_smp_processor_id+0x17/0x20 [ 46.469206][ T484] __x64_sys_write+0x7b/0x90 [ 46.473779][ T484] do_syscall_64+0x34/0x70 [ 46.478256][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.484123][ T484] RIP: 0033:0x7f70e3a4d0e9 [ 46.488605][ T484] 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 [ 46.508190][ T484] RSP: 002b:00007f70e39c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.517097][ T484] RAX: ffffffffffffffda RBX: 00007f70e3b5ff60 RCX: 00007f70e3a4d0e9 [ 46.525256][ T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.533211][ T484] RBP: 00007f70e39c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.541159][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.549110][ T484] R13: 00007ffeec94d2cf R14: 00007f70e39c3300 R15: 0000000000022000 [ 46.558690][ T484] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.581611][ T482] FAULT_INJECTION: forcing a failure. [ 46.581611][ T482] name failslab, interval 1, probability 0, space 0, times 0 [ 46.594455][ T482] CPU: 1 PID: 482 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.605361][ T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.615767][ T482] Call Trace: [ 46.619074][ T482] dump_stack_lvl+0x1e2/0x24b [ 46.623752][ T482] ? panic+0x7d7/0x7d7 [ 46.627802][ T482] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.633237][ T482] ? find_next_bit+0xd6/0x120 [ 46.637888][ T482] ? cpumask_next+0x11/0x30 [ 46.642369][ T482] dump_stack+0x15/0x17 [ 46.646594][ T482] should_fail+0x3c0/0x510 [ 46.651118][ T482] ? percpu_ref_init+0xd0/0x330 [ 46.655964][ T482] __should_failslab+0x9f/0xe0 [ 46.660711][ T482] should_failslab+0x9/0x20 [ 46.665200][ T482] kmem_cache_alloc_trace+0x3a/0x330 [ 46.670473][ T482] percpu_ref_init+0xd0/0x330 [ 46.675128][ T482] ? cgroup_setup_root+0xea0/0xea0 [ 46.680215][ T482] cgroup_apply_control_enable+0x3a2/0x12f0 [ 46.686083][ T482] cgroup_apply_control+0x93/0x710 [ 46.691171][ T482] ? css_next_child+0x160/0x160 [ 46.695998][ T482] ? release_task_stack+0x529/0x660 [ 46.701176][ T482] ? io_schedule+0x120/0x120 [ 46.705751][ T482] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.711199][ T482] ? __kasan_check_write+0x14/0x20 [ 46.716291][ T482] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.721550][ T482] cgroup_subtree_control_write+0xd19/0x1310 [ 46.727511][ T482] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.733486][ T482] ? __kasan_check_write+0x14/0x20 [ 46.738582][ T482] ? _copy_from_iter+0x3fb/0xd60 [ 46.743509][ T482] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.749462][ T482] cgroup_file_write+0x28e/0x590 [ 46.754383][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.759469][ T482] ? mutex_lock+0xa6/0x110 [ 46.763862][ T482] ? mutex_trylock+0xb0/0xb0 [ 46.768430][ T482] ? __kasan_check_write+0x14/0x20 [ 46.773514][ T482] kernfs_fop_write_iter+0x2d0/0x410 [ 46.778773][ T482] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.783862][ T482] vfs_write+0xc1c/0xf40 [ 46.788088][ T482] ? kernel_write+0x3c0/0x3c0 [ 46.792744][ T482] ? mutex_trylock+0xb0/0xb0 [ 46.797311][ T482] ? __fdget_pos+0x26d/0x310 [ 46.801877][ T482] ? ksys_write+0x77/0x2c0 [ 46.806271][ T482] ksys_write+0x198/0x2c0 [ 46.810581][ T482] ? __ia32_sys_read+0x90/0x90 [ 46.815326][ T482] ? debug_smp_processor_id+0x17/0x20 [ 46.820679][ T482] __x64_sys_write+0x7b/0x90 [ 46.825253][ T482] do_syscall_64+0x34/0x70 [ 46.829667][ T482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.835553][ T482] RIP: 0033:0x7fd0ea2f70e9 [ 46.839968][ 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 [ 46.859986][ T482] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.868417][ T482] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 46.876468][ T482] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.884709][ T482] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.892808][ T482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.900843][ T482] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 46.951587][ T468] FAULT_INJECTION: forcing a failure. [ 46.951587][ T468] name failslab, interval 1, probability 0, space 0, times 0 [ 46.964477][ T468] CPU: 1 PID: 468 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.975248][ T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.985286][ T468] Call Trace: [ 46.988565][ T468] dump_stack_lvl+0x1e2/0x24b [ 46.993243][ T468] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.998835][ T468] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.004895][ T468] dump_stack+0x15/0x17 [ 47.009076][ T468] should_fail+0x3c0/0x510 [ 47.013735][ T468] ? __kernfs_new_node+0x99/0x6e0 [ 47.018851][ T468] __should_failslab+0x9f/0xe0 [ 47.023631][ T468] should_failslab+0x9/0x20 [ 47.028118][ T468] __kmalloc_track_caller+0x5f/0x350 [ 47.033412][ T468] kstrdup_const+0x55/0x90 [ 47.037807][ T468] __kernfs_new_node+0x99/0x6e0 [ 47.042631][ T468] ? is_module_text_address+0xe1/0x140 [ 47.048065][ T468] ? kernfs_new_node+0x170/0x170 [ 47.053043][ T468] ? ptr_to_hashval+0x60/0x60 [ 47.057696][ T468] ? arch_stack_walk+0xf8/0x140 [ 47.062690][ T468] ? snprintf+0xd6/0x120 [ 47.066912][ T468] kernfs_new_node+0x97/0x170 [ 47.071566][ T468] __kernfs_create_file+0x4a/0x270 [ 47.076674][ T468] cgroup_addrm_files+0xab8/0xfe0 [ 47.081685][ T468] ? ____kasan_kmalloc+0xdc/0x110 [ 47.086685][ T468] ? __kasan_kmalloc+0x9/0x10 [ 47.091341][ T468] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.097046][ T468] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.103382][ T468] ? delete_node+0x759/0x7b0 [ 47.107960][ T468] ? __kasan_check_read+0x11/0x20 [ 47.113052][ T468] ? delete_node+0x759/0x7b0 [ 47.117620][ T468] ? __kasan_check_write+0x14/0x20 [ 47.122714][ T468] ? idr_replace+0x1c4/0x230 [ 47.127451][ T468] ? idr_get_next+0x4b0/0x4b0 [ 47.132118][ T468] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.137132][ T468] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.142579][ T468] css_populate_dir+0x137/0x370 [ 47.147470][ T468] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.153538][ T468] cgroup_apply_control+0x93/0x710 [ 47.158629][ T468] ? css_next_child+0x160/0x160 [ 47.163460][ T468] ? io_schedule+0x120/0x120 [ 47.168027][ T468] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.173658][ T468] ? __kasan_check_write+0x14/0x20 [ 47.178766][ T468] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.184398][ T468] cgroup_subtree_control_write+0xd19/0x1310 [ 47.190362][ T468] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.196402][ T468] ? __kasan_check_write+0x14/0x20 [ 47.201490][ T468] ? _copy_from_iter+0x3fb/0xd60 [ 47.206494][ T468] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.212453][ T468] cgroup_file_write+0x28e/0x590 [ 47.217452][ T468] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.222535][ T468] ? mutex_lock+0xa6/0x110 [ 47.226924][ T468] ? mutex_trylock+0xb0/0xb0 [ 47.231492][ T468] ? __kasan_check_write+0x14/0x20 [ 47.236583][ T468] kernfs_fop_write_iter+0x2d0/0x410 [ 47.241841][ T468] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.246925][ T468] vfs_write+0xc1c/0xf40 [ 47.251235][ T468] ? kernel_write+0x3c0/0x3c0 [ 47.255884][ T468] ? mutex_trylock+0xb0/0xb0 [ 47.260643][ T468] ? __fdget_pos+0x26d/0x310 [ 47.265307][ T468] ? ksys_write+0x77/0x2c0 [ 47.269887][ T468] ksys_write+0x198/0x2c0 [ 47.274298][ T468] ? __ia32_sys_read+0x90/0x90 [ 47.279037][ T468] ? debug_smp_processor_id+0x17/0x20 [ 47.284383][ T468] __x64_sys_write+0x7b/0x90 [ 47.288960][ T468] do_syscall_64+0x34/0x70 [ 47.293363][ T468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.299317][ T468] RIP: 0033:0x7f92485190e9 [ 47.303707][ 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 [ 47.323573][ T468] RSP: 002b:00007f924846e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.332048][ T468] RAX: ffffffffffffffda RBX: 00007f924862c030 RCX: 00007f92485190e9 [ 47.340190][ T468] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.348251][ T468] RBP: 00007f924846e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.356202][ T468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.364155][ T468] R13: 00007ffcfc0de0cf R14: 00007f924846e300 R15: 0000000000022000 [ 47.374160][ T468] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.421546][ T492] FAULT_INJECTION: forcing a failure. [ 47.421546][ T492] name failslab, interval 1, probability 0, space 0, times 0 [ 47.434339][ T492] CPU: 0 PID: 492 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.445075][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.455112][ T492] Call Trace: [ 47.458389][ T492] dump_stack_lvl+0x1e2/0x24b [ 47.463043][ T492] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.468477][ T492] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.474537][ T492] dump_stack+0x15/0x17 [ 47.478688][ T492] should_fail+0x3c0/0x510 [ 47.483087][ T492] ? __kernfs_new_node+0x99/0x6e0 [ 47.488092][ T492] __should_failslab+0x9f/0xe0 [ 47.492835][ T492] should_failslab+0x9/0x20 [ 47.497336][ T492] __kmalloc_track_caller+0x5f/0x350 [ 47.502641][ T492] kstrdup_const+0x55/0x90 [ 47.507036][ T492] __kernfs_new_node+0x99/0x6e0 [ 47.511964][ T492] ? is_module_text_address+0xe1/0x140 [ 47.517425][ T492] ? kernfs_new_node+0x170/0x170 [ 47.522442][ T492] ? ptr_to_hashval+0x60/0x60 [ 47.527189][ T492] ? arch_stack_walk+0xf8/0x140 [ 47.532041][ T492] ? snprintf+0xd6/0x120 [ 47.536352][ T492] kernfs_new_node+0x97/0x170 [ 47.541014][ T492] __kernfs_create_file+0x4a/0x270 [ 47.546141][ T492] cgroup_addrm_files+0xab8/0xfe0 [ 47.551148][ T492] ? ____kasan_kmalloc+0xdc/0x110 [ 47.556147][ T492] ? __kasan_kmalloc+0x9/0x10 [ 47.560799][ T492] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 47.566453][ T492] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 47.572738][ T492] ? delete_node+0x759/0x7b0 [ 47.577309][ T492] ? __kasan_check_read+0x11/0x20 [ 47.582313][ T492] ? delete_node+0x759/0x7b0 [ 47.586895][ T492] ? __kasan_check_write+0x14/0x20 [ 47.592003][ T492] ? idr_replace+0x1c4/0x230 [ 47.596572][ T492] ? idr_get_next+0x4b0/0x4b0 [ 47.601333][ T492] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 47.606452][ T492] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 47.611722][ T492] css_populate_dir+0x137/0x370 [ 47.616552][ T492] cgroup_apply_control_enable+0x8b9/0x12f0 [ 47.622423][ T492] cgroup_apply_control+0x93/0x710 [ 47.627602][ T492] ? css_next_child+0x160/0x160 [ 47.632432][ T492] ? io_schedule+0x120/0x120 [ 47.637002][ T492] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.642436][ T492] ? __kasan_check_write+0x14/0x20 [ 47.647620][ T492] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.653039][ T492] cgroup_subtree_control_write+0xd19/0x1310 [ 47.659006][ T492] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.664967][ T492] ? __kasan_check_write+0x14/0x20 [ 47.670064][ T492] ? _copy_from_iter+0x3fb/0xd60 [ 47.674983][ T492] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.680937][ T492] cgroup_file_write+0x28e/0x590 [ 47.685943][ T492] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.691039][ T492] ? mutex_lock+0xa6/0x110 [ 47.695437][ T492] ? mutex_trylock+0xb0/0xb0 [ 47.700090][ T492] ? __kasan_check_write+0x14/0x20 [ 47.705179][ T492] kernfs_fop_write_iter+0x2d0/0x410 [ 47.710525][ T492] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.715681][ T492] vfs_write+0xc1c/0xf40 [ 47.719929][ T492] ? kernel_write+0x3c0/0x3c0 [ 47.724595][ T492] ? mutex_trylock+0xb0/0xb0 [ 47.729681][ T492] ? __fdget_pos+0x26d/0x310 [ 47.734330][ T492] ? ksys_write+0x77/0x2c0 [ 47.739250][ T492] ksys_write+0x198/0x2c0 [ 47.743557][ T492] ? __ia32_sys_read+0x90/0x90 [ 47.748295][ T492] ? debug_smp_processor_id+0x17/0x20 [ 47.753639][ T492] __x64_sys_write+0x7b/0x90 [ 47.758376][ T492] do_syscall_64+0x34/0x70 [ 47.762764][ T492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.768636][ T492] RIP: 0033:0x7f3c1573b0e9 [ 47.773113][ 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 [ 47.792867][ T492] RSP: 002b:00007f3c15690168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.801435][ T492] RAX: ffffffffffffffda RBX: 00007f3c1584e030 RCX: 00007f3c1573b0e9 [ 47.809386][ T492] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 47.817342][ T492] RBP: 00007f3c156901d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.825379][ T492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.833331][ T492] R13: 00007ffc1121e50f R14: 00007f3c15690300 R15: 0000000000022000 [ 47.842272][ T492] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 47.881411][ T495] FAULT_INJECTION: forcing a failure. [ 47.881411][ T495] name failslab, interval 1, probability 0, space 0, times 0 [ 47.894284][ T495] CPU: 0 PID: 495 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.905356][ T495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.915498][ T495] Call Trace: [ 47.918793][ T495] dump_stack_lvl+0x1e2/0x24b [ 47.923458][ T495] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.928951][ T495] ? selinux_kernfs_init_security+0x1a8/0x760 [ 47.934998][ T495] dump_stack+0x15/0x17 [ 47.939132][ T495] should_fail+0x3c0/0x510 [ 47.943810][ T495] ? __kernfs_new_node+0x99/0x6e0 [ 47.948811][ T495] __should_failslab+0x9f/0xe0 [ 47.953555][ T495] should_failslab+0x9/0x20 [ 47.958132][ T495] __kmalloc_track_caller+0x5f/0x350 [ 47.963577][ T495] kstrdup_const+0x55/0x90 [ 47.967996][ T495] __kernfs_new_node+0x99/0x6e0 [ 47.972832][ T495] ? is_module_text_address+0xe1/0x140 [ 47.978278][ T495] ? kernfs_new_node+0x170/0x170 [ 47.983283][ T495] ? ptr_to_hashval+0x60/0x60 [ 47.988022][ T495] ? arch_stack_walk+0xf8/0x140 [ 47.992845][ T495] ? snprintf+0xd6/0x120 [ 47.997154][ T495] kernfs_new_node+0x97/0x170 [ 48.001897][ T495] __kernfs_create_file+0x4a/0x270 [ 48.007070][ T495] cgroup_addrm_files+0xab8/0xfe0 [ 48.012157][ T495] ? ____kasan_kmalloc+0xdc/0x110 [ 48.017156][ T495] ? __kasan_kmalloc+0x9/0x10 [ 48.021812][ T495] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 48.027331][ T495] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 48.033464][ T495] ? delete_node+0x759/0x7b0 [ 48.038116][ T495] ? __kasan_check_read+0x11/0x20 [ 48.043114][ T495] ? delete_node+0x759/0x7b0 [ 48.047775][ T495] ? __kasan_check_write+0x14/0x20 [ 48.053124][ T495] ? idr_replace+0x1c4/0x230 [ 48.057689][ T495] ? idr_get_next+0x4b0/0x4b0 [ 48.062337][ T495] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 48.067347][ T495] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.072612][ T495] css_populate_dir+0x137/0x370 [ 48.077441][ T495] cgroup_apply_control_enable+0x8b9/0x12f0 [ 48.083310][ T495] cgroup_apply_control+0x93/0x710 [ 48.088394][ T495] ? css_next_child+0x160/0x160 [ 48.093223][ T495] ? io_schedule+0x120/0x120 [ 48.097810][ T495] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.103242][ T495] ? __kasan_check_write+0x14/0x20 [ 48.108334][ T495] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.113858][ T495] cgroup_subtree_control_write+0xd19/0x1310 [ 48.119816][ T495] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.125771][ T495] ? __kasan_check_write+0x14/0x20 [ 48.130856][ T495] ? _copy_from_iter+0x3fb/0xd60 [ 48.135765][ T495] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.141919][ T495] cgroup_file_write+0x28e/0x590 [ 48.146919][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.152003][ T495] ? mutex_lock+0xa6/0x110 [ 48.156393][ T495] ? mutex_trylock+0xb0/0xb0 [ 48.160960][ T495] ? __kasan_check_write+0x14/0x20 [ 48.166401][ T495] kernfs_fop_write_iter+0x2d0/0x410 [ 48.171746][ T495] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.176831][ T495] vfs_write+0xc1c/0xf40 [ 48.181237][ T495] ? kernel_write+0x3c0/0x3c0 [ 48.185907][ T495] ? mutex_trylock+0xb0/0xb0 [ 48.190474][ T495] ? __fdget_pos+0x26d/0x310 [ 48.195035][ T495] ? ksys_write+0x77/0x2c0 [ 48.199424][ T495] ksys_write+0x198/0x2c0 [ 48.203729][ T495] ? __ia32_sys_read+0x90/0x90 [ 48.208466][ T495] ? debug_smp_processor_id+0x17/0x20 [ 48.213811][ T495] __x64_sys_write+0x7b/0x90 [ 48.218380][ T495] do_syscall_64+0x34/0x70 [ 48.223088][ T495] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.229137][ T495] RIP: 0033:0x7f70e3a4d0e9 [ 48.233539][ T495] 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 [ 48.253468][ T495] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.262046][ T495] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 48.270006][ T495] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.278106][ T495] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.286055][ T495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.294188][ T495] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 48.303869][ T495] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 48.351557][ T489] FAULT_INJECTION: forcing a failure. [ 48.351557][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 48.364418][ T489] CPU: 1 PID: 489 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.375677][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.385727][ T489] Call Trace: [ 48.389019][ T489] dump_stack_lvl+0x1e2/0x24b [ 48.393682][ T489] ? panic+0x7d7/0x7d7 [ 48.397742][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.403264][ T489] ? find_next_bit+0xd6/0x120 [ 48.408015][ T489] ? cpumask_next+0x11/0x30 [ 48.412498][ T489] dump_stack+0x15/0x17 [ 48.416627][ T489] should_fail+0x3c0/0x510 [ 48.421026][ T489] ? percpu_ref_init+0xd0/0x330 [ 48.425855][ T489] __should_failslab+0x9f/0xe0 [ 48.430597][ T489] should_failslab+0x9/0x20 [ 48.435122][ T489] kmem_cache_alloc_trace+0x3a/0x330 [ 48.440388][ T489] percpu_ref_init+0xd0/0x330 [ 48.445039][ T489] ? cgroup_setup_root+0xea0/0xea0 [ 48.450216][ T489] cgroup_apply_control_enable+0x3a2/0x12f0 [ 48.456520][ T489] cgroup_apply_control+0x93/0x710 [ 48.461777][ T489] ? css_next_child+0x160/0x160 [ 48.466597][ T489] ? io_schedule+0x120/0x120 [ 48.471157][ T489] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.476586][ T489] ? __kasan_check_write+0x14/0x20 [ 48.481670][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.487223][ T489] cgroup_subtree_control_write+0xd19/0x1310 [ 48.493175][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.499563][ T489] ? __kasan_check_write+0x14/0x20 [ 48.504650][ T489] ? _copy_from_iter+0x3fb/0xd60 [ 48.509559][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.515745][ T489] cgroup_file_write+0x28e/0x590 [ 48.520658][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.525751][ T489] ? mutex_lock+0xa6/0x110 [ 48.530138][ T489] ? mutex_trylock+0xb0/0xb0 [ 48.534710][ T489] ? __kasan_check_write+0x14/0x20 [ 48.539899][ T489] kernfs_fop_write_iter+0x2d0/0x410 [ 48.545160][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.550341][ T489] vfs_write+0xc1c/0xf40 [ 48.554557][ T489] ? kernel_write+0x3c0/0x3c0 [ 48.559210][ T489] ? mutex_trylock+0xb0/0xb0 [ 48.563887][ T489] ? __fdget_pos+0x26d/0x310 [ 48.568460][ T489] ? ksys_write+0x77/0x2c0 [ 48.572970][ T489] ksys_write+0x198/0x2c0 [ 48.577279][ T489] ? __ia32_sys_read+0x90/0x90 [ 48.582019][ T489] ? debug_smp_processor_id+0x17/0x20 [ 48.587450][ T489] __x64_sys_write+0x7b/0x90 [ 48.592117][ T489] do_syscall_64+0x34/0x70 [ 48.596598][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.602602][ T489] RIP: 0033:0x7f9bcf45d0e9 [ 48.606994][ 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 [ 48.626788][ T489] RSP: 002b:00007f9bcf3d3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.635313][ T489] RAX: ffffffffffffffda RBX: 00007f9bcf56ff60 RCX: 00007f9bcf45d0e9 [ 48.643362][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.651423][ T489] RBP: 00007f9bcf3d31d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.659394][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.667448][ T489] R13: 00007ffc377ef5df R14: 00007f9bcf3d3300 R15: 0000000000022000 [ 48.711345][ T500] FAULT_INJECTION: forcing a failure. [ 48.711345][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 48.724267][ T500] CPU: 1 PID: 500 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.735381][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.745680][ T500] Call Trace: [ 48.749034][ T500] dump_stack_lvl+0x1e2/0x24b [ 48.753769][ T500] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.759299][ T500] ? selinux_kernfs_init_security+0x1a8/0x760 [ 48.765599][ T500] dump_stack+0x15/0x17 [ 48.769728][ T500] should_fail+0x3c0/0x510 [ 48.774299][ T500] ? __kernfs_new_node+0x99/0x6e0 [ 48.779383][ T500] __should_failslab+0x9f/0xe0 [ 48.784208][ T500] should_failslab+0x9/0x20 [ 48.788687][ T500] __kmalloc_track_caller+0x5f/0x350 [ 48.793944][ T500] kstrdup_const+0x55/0x90 [ 48.798331][ T500] __kernfs_new_node+0x99/0x6e0 [ 48.803181][ T500] ? is_module_text_address+0xe1/0x140 [ 48.808620][ T500] ? kernfs_new_node+0x170/0x170 [ 48.813632][ T500] ? ptr_to_hashval+0x60/0x60 [ 48.818285][ T500] ? arch_stack_walk+0xf8/0x140 [ 48.823197][ T500] ? snprintf+0xd6/0x120 [ 48.827765][ T500] kernfs_new_node+0x97/0x170 [ 48.832509][ T500] __kernfs_create_file+0x4a/0x270 [ 48.838055][ T500] cgroup_addrm_files+0xab8/0xfe0 [ 48.843248][ T500] ? ____kasan_kmalloc+0xdc/0x110 [ 48.848257][ T500] ? __kasan_kmalloc+0x9/0x10 [ 48.852936][ T500] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 48.858556][ T500] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 48.864685][ T500] ? delete_node+0x759/0x7b0 [ 48.869262][ T500] ? __kasan_check_read+0x11/0x20 [ 48.874362][ T500] ? delete_node+0x759/0x7b0 [ 48.879017][ T500] ? __kasan_check_write+0x14/0x20 [ 48.884107][ T500] ? idr_replace+0x1c4/0x230 [ 48.888673][ T500] ? idr_get_next+0x4b0/0x4b0 [ 48.893324][ T500] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 48.898412][ T500] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.903590][ T500] css_populate_dir+0x137/0x370 [ 48.908598][ T500] cgroup_apply_control_enable+0x8b9/0x12f0 [ 48.914639][ T500] cgroup_apply_control+0x93/0x710 [ 48.919752][ T500] ? css_next_child+0x160/0x160 [ 48.924582][ T500] ? io_schedule+0x120/0x120 [ 48.929236][ T500] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.934759][ T500] ? __kasan_check_write+0x14/0x20 [ 48.939846][ T500] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.945105][ T500] cgroup_subtree_control_write+0xd19/0x1310 [ 48.951148][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.957111][ T500] ? __kasan_check_write+0x14/0x20 [ 48.962199][ T500] ? _copy_from_iter+0x3fb/0xd60 [ 48.967224][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.973186][ T500] cgroup_file_write+0x28e/0x590 [ 48.978399][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.983585][ T500] ? mutex_lock+0xa6/0x110 [ 48.987978][ T500] ? mutex_trylock+0xb0/0xb0 [ 48.992646][ T500] ? __kasan_check_write+0x14/0x20 [ 48.997732][ T500] kernfs_fop_write_iter+0x2d0/0x410 [ 49.002990][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.008075][ T500] vfs_write+0xc1c/0xf40 [ 49.012294][ T500] ? kernel_write+0x3c0/0x3c0 [ 49.017033][ T500] ? mutex_trylock+0xb0/0xb0 [ 49.021600][ T500] ? __fdget_pos+0x26d/0x310 [ 49.026183][ T500] ? ksys_write+0x77/0x2c0 [ 49.030577][ T500] ksys_write+0x198/0x2c0 [ 49.034989][ T500] ? __ia32_sys_read+0x90/0x90 [ 49.039740][ T500] ? debug_smp_processor_id+0x17/0x20 [ 49.045085][ T500] __x64_sys_write+0x7b/0x90 [ 49.049656][ T500] do_syscall_64+0x34/0x70 [ 49.054047][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.060003][ T500] RIP: 0033:0x7fd0ea2f70e9 [ 49.064480][ T500] 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 [ 49.084058][ T500] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.092639][ T500] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 49.100584][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/20 19:30:37 executed programs: 28 [ 49.108531][ T500] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.116569][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.124689][ T500] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 49.135201][ T500] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.171474][ T499] FAULT_INJECTION: forcing a failure. [ 49.171474][ T499] name failslab, interval 1, probability 0, space 0, times 0 [ 49.184134][ T499] CPU: 1 PID: 499 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.194868][ T499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.204905][ T499] Call Trace: [ 49.208185][ T499] dump_stack_lvl+0x1e2/0x24b [ 49.212837][ T499] ? panic+0x7d7/0x7d7 [ 49.217005][ T499] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.222439][ T499] ? find_next_bit+0xd6/0x120 [ 49.227187][ T499] ? cpumask_next+0x11/0x30 [ 49.231665][ T499] dump_stack+0x15/0x17 [ 49.235809][ T499] should_fail+0x3c0/0x510 [ 49.240197][ T499] ? percpu_ref_init+0xd0/0x330 [ 49.245130][ T499] __should_failslab+0x9f/0xe0 [ 49.249873][ T499] should_failslab+0x9/0x20 [ 49.254349][ T499] kmem_cache_alloc_trace+0x3a/0x330 [ 49.259615][ T499] percpu_ref_init+0xd0/0x330 [ 49.264274][ T499] ? cgroup_setup_root+0xea0/0xea0 [ 49.269367][ T499] cgroup_apply_control_enable+0x3a2/0x12f0 [ 49.275250][ T499] cgroup_apply_control+0x93/0x710 [ 49.280459][ T499] ? css_next_child+0x160/0x160 [ 49.285391][ T499] ? io_schedule+0x120/0x120 [ 49.289969][ T499] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.295702][ T499] ? __kasan_check_write+0x14/0x20 [ 49.300807][ T499] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.306095][ T499] cgroup_subtree_control_write+0xd19/0x1310 [ 49.312050][ T499] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.318188][ T499] ? __kasan_check_write+0x14/0x20 [ 49.323287][ T499] ? _copy_from_iter+0x3fb/0xd60 [ 49.328212][ T499] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.334168][ T499] cgroup_file_write+0x28e/0x590 [ 49.339440][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.344876][ T499] ? mutex_lock+0xa6/0x110 [ 49.349267][ T499] ? mutex_trylock+0xb0/0xb0 [ 49.354095][ T499] ? __kasan_check_write+0x14/0x20 [ 49.359184][ T499] kernfs_fop_write_iter+0x2d0/0x410 [ 49.364446][ T499] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.369531][ T499] vfs_write+0xc1c/0xf40 [ 49.373840][ T499] ? kernel_write+0x3c0/0x3c0 [ 49.378491][ T499] ? mutex_trylock+0xb0/0xb0 [ 49.383058][ T499] ? __fdget_pos+0x26d/0x310 [ 49.387618][ T499] ? ksys_write+0x77/0x2c0 [ 49.392207][ T499] ksys_write+0x198/0x2c0 [ 49.396510][ T499] ? __ia32_sys_read+0x90/0x90 [ 49.401250][ T499] ? debug_smp_processor_id+0x17/0x20 [ 49.406599][ T499] __x64_sys_write+0x7b/0x90 [ 49.411164][ T499] do_syscall_64+0x34/0x70 [ 49.415564][ T499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.421437][ T499] RIP: 0033:0x7f92485190e9 [ 49.425891][ T499] 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 [ 49.445625][ T499] RSP: 002b:00007f924848f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.454041][ T499] RAX: ffffffffffffffda RBX: 00007f924862bf60 RCX: 00007f92485190e9 [ 49.462087][ T499] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.470143][ T499] RBP: 00007f924848f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.478106][ T499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.486063][ T499] R13: 00007ffcfc0de0cf R14: 00007f924848f300 R15: 0000000000022000 [ 49.521481][ T502] FAULT_INJECTION: forcing a failure. [ 49.521481][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 49.534588][ T502] CPU: 1 PID: 502 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.545502][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.555936][ T502] Call Trace: [ 49.559232][ T502] dump_stack_lvl+0x1e2/0x24b [ 49.563892][ T502] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.569527][ T502] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.575581][ T502] dump_stack+0x15/0x17 [ 49.579716][ T502] should_fail+0x3c0/0x510 [ 49.584141][ T502] ? __kernfs_new_node+0x99/0x6e0 [ 49.589412][ T502] __should_failslab+0x9f/0xe0 [ 49.594417][ T502] should_failslab+0x9/0x20 [ 49.598903][ T502] __kmalloc_track_caller+0x5f/0x350 [ 49.604165][ T502] kstrdup_const+0x55/0x90 [ 49.608663][ T502] __kernfs_new_node+0x99/0x6e0 [ 49.613507][ T502] ? is_module_text_address+0xe1/0x140 [ 49.618971][ T502] ? kernfs_new_node+0x170/0x170 [ 49.623979][ T502] ? ptr_to_hashval+0x60/0x60 [ 49.628901][ T502] ? arch_stack_walk+0xf8/0x140 [ 49.633742][ T502] ? snprintf+0xd6/0x120 [ 49.638059][ T502] kernfs_new_node+0x97/0x170 [ 49.642908][ T502] __kernfs_create_file+0x4a/0x270 [ 49.648007][ T502] cgroup_addrm_files+0xab8/0xfe0 [ 49.653034][ T502] ? ____kasan_kmalloc+0xdc/0x110 [ 49.658051][ T502] ? __kasan_kmalloc+0x9/0x10 [ 49.662815][ T502] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.668357][ T502] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.674581][ T502] ? delete_node+0x759/0x7b0 [ 49.679235][ T502] ? __kasan_check_read+0x11/0x20 [ 49.684602][ T502] ? delete_node+0x759/0x7b0 [ 49.689261][ T502] ? __kasan_check_write+0x14/0x20 [ 49.694532][ T502] ? idr_replace+0x1c4/0x230 [ 49.699099][ T502] ? idr_get_next+0x4b0/0x4b0 [ 49.703853][ T502] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.708963][ T502] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.714330][ T502] css_populate_dir+0x137/0x370 [ 49.719257][ T502] cgroup_apply_control_enable+0x8b9/0x12f0 [ 49.725128][ T502] cgroup_apply_control+0x93/0x710 [ 49.730305][ T502] ? css_next_child+0x160/0x160 [ 49.735308][ T502] ? io_schedule+0x120/0x120 [ 49.739875][ T502] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.745397][ T502] ? __kasan_check_write+0x14/0x20 [ 49.750484][ T502] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.755746][ T502] cgroup_subtree_control_write+0xd19/0x1310 [ 49.761704][ T502] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.767745][ T502] ? __kasan_check_write+0x14/0x20 [ 49.772922][ T502] ? _copy_from_iter+0x3fb/0xd60 [ 49.777926][ T502] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.783881][ T502] cgroup_file_write+0x28e/0x590 [ 49.788889][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.793990][ T502] ? mutex_lock+0xa6/0x110 [ 49.798382][ T502] ? mutex_trylock+0xb0/0xb0 [ 49.802951][ T502] ? __kasan_check_write+0x14/0x20 [ 49.808474][ T502] kernfs_fop_write_iter+0x2d0/0x410 [ 49.815704][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.820980][ T502] vfs_write+0xc1c/0xf40 [ 49.825549][ T502] ? kernel_write+0x3c0/0x3c0 [ 49.830204][ T502] ? mutex_trylock+0xb0/0xb0 [ 49.834961][ T502] ? __fdget_pos+0x26d/0x310 [ 49.839701][ T502] ? ksys_write+0x77/0x2c0 [ 49.844450][ T502] ksys_write+0x198/0x2c0 [ 49.848760][ T502] ? __ia32_sys_read+0x90/0x90 [ 49.853595][ T502] ? debug_smp_processor_id+0x17/0x20 [ 49.859123][ T502] __x64_sys_write+0x7b/0x90 [ 49.863695][ T502] do_syscall_64+0x34/0x70 [ 49.868104][ T502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.873971][ T502] RIP: 0033:0x7f3c1573b0e9 [ 49.878365][ 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 [ 49.898293][ T502] RSP: 002b:00007f3c156b1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.906682][ T502] RAX: ffffffffffffffda RBX: 00007f3c1584df60 RCX: 00007f3c1573b0e9 [ 49.914635][ T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.922584][ T502] RBP: 00007f3c156b11d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.930619][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.938757][ T502] R13: 00007ffc1121e50f R14: 00007f3c156b1300 R15: 0000000000022000 [ 49.949593][ T502] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.991397][ T487] FAULT_INJECTION: forcing a failure. [ 49.991397][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 50.004161][ T487] CPU: 1 PID: 487 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.015074][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.025110][ T487] Call Trace: [ 50.028470][ T487] dump_stack_lvl+0x1e2/0x24b [ 50.033211][ T487] ? panic+0x7d7/0x7d7 [ 50.037267][ T487] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.042699][ T487] ? find_next_bit+0xd6/0x120 [ 50.047351][ T487] ? cpumask_next+0x11/0x30 [ 50.051854][ T487] dump_stack+0x15/0x17 [ 50.056170][ T487] should_fail+0x3c0/0x510 [ 50.060654][ T487] ? percpu_ref_init+0xd0/0x330 [ 50.065509][ T487] __should_failslab+0x9f/0xe0 [ 50.070252][ T487] should_failslab+0x9/0x20 [ 50.074746][ T487] kmem_cache_alloc_trace+0x3a/0x330 [ 50.080007][ T487] percpu_ref_init+0xd0/0x330 [ 50.084671][ T487] ? cgroup_setup_root+0xea0/0xea0 [ 50.089757][ T487] cgroup_apply_control_enable+0x3a2/0x12f0 [ 50.095715][ T487] cgroup_apply_control+0x93/0x710 [ 50.100817][ T487] ? css_next_child+0x160/0x160 [ 50.105653][ T487] ? release_task_stack+0x529/0x660 [ 50.110840][ T487] ? io_schedule+0x120/0x120 [ 50.115501][ T487] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.121171][ T487] ? __kasan_check_write+0x14/0x20 [ 50.126278][ T487] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.131547][ T487] cgroup_subtree_control_write+0xd19/0x1310 [ 50.137518][ T487] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.143542][ T487] ? __kasan_check_write+0x14/0x20 [ 50.148639][ T487] ? _copy_from_iter+0x3fb/0xd60 [ 50.153559][ T487] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.159522][ T487] cgroup_file_write+0x28e/0x590 [ 50.164441][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.169538][ T487] ? mutex_lock+0xa6/0x110 [ 50.173932][ T487] ? mutex_trylock+0xb0/0xb0 [ 50.178510][ T487] ? __kasan_check_write+0x14/0x20 [ 50.183685][ T487] kernfs_fop_write_iter+0x2d0/0x410 [ 50.188949][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.194133][ T487] vfs_write+0xc1c/0xf40 [ 50.198386][ T487] ? kernel_write+0x3c0/0x3c0 [ 50.203044][ T487] ? mutex_trylock+0xb0/0xb0 [ 50.207611][ T487] ? __fdget_pos+0x26d/0x310 [ 50.212181][ T487] ? ksys_write+0x77/0x2c0 [ 50.216658][ T487] ksys_write+0x198/0x2c0 [ 50.221066][ T487] ? __ia32_sys_read+0x90/0x90 [ 50.225806][ T487] ? debug_smp_processor_id+0x17/0x20 [ 50.231163][ T487] __x64_sys_write+0x7b/0x90 [ 50.235820][ T487] do_syscall_64+0x34/0x70 [ 50.240213][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.246077][ T487] RIP: 0033:0x7f99016a00e9 [ 50.251080][ T487] 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 [ 50.270662][ T487] RSP: 002b:00007f99015f5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.279056][ T487] RAX: ffffffffffffffda RBX: 00007f99017b3030 RCX: 00007f99016a00e9 [ 50.287009][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.295755][ T487] RBP: 00007f99015f51d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.303968][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.312192][ T487] R13: 00007fffc9e2fd2f R14: 00007f99015f5300 R15: 0000000000022000 [ 50.371604][ T507] FAULT_INJECTION: forcing a failure. [ 50.371604][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 50.384474][ T507] CPU: 1 PID: 507 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.395222][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.405281][ T507] Call Trace: [ 50.408556][ T507] dump_stack_lvl+0x1e2/0x24b [ 50.413209][ T507] ? panic+0x7d7/0x7d7 [ 50.417254][ T507] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.422694][ T507] ? find_next_bit+0xd6/0x120 [ 50.427346][ T507] ? cpumask_next+0x11/0x30 [ 50.432002][ T507] dump_stack+0x15/0x17 [ 50.436251][ T507] should_fail+0x3c0/0x510 [ 50.441010][ T507] ? percpu_ref_init+0xd0/0x330 [ 50.445854][ T507] __should_failslab+0x9f/0xe0 [ 50.450596][ T507] should_failslab+0x9/0x20 [ 50.455078][ T507] kmem_cache_alloc_trace+0x3a/0x330 [ 50.460344][ T507] percpu_ref_init+0xd0/0x330 [ 50.465018][ T507] ? cgroup_setup_root+0xea0/0xea0 [ 50.470110][ T507] cgroup_apply_control_enable+0x3a2/0x12f0 [ 50.476154][ T507] cgroup_apply_control+0x93/0x710 [ 50.481328][ T507] ? css_next_child+0x160/0x160 [ 50.486175][ T507] ? io_schedule+0x120/0x120 [ 50.491215][ T507] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.496671][ T507] ? __kasan_check_write+0x14/0x20 [ 50.501869][ T507] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.507136][ T507] cgroup_subtree_control_write+0xd19/0x1310 [ 50.513218][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.519279][ T507] ? __kasan_check_write+0x14/0x20 [ 50.524389][ T507] ? _copy_from_iter+0x3fb/0xd60 [ 50.529400][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.535358][ T507] cgroup_file_write+0x28e/0x590 [ 50.540291][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.545481][ T507] ? mutex_lock+0xa6/0x110 [ 50.550277][ T507] ? mutex_trylock+0xb0/0xb0 [ 50.554954][ T507] ? __kasan_check_write+0x14/0x20 [ 50.560417][ T507] kernfs_fop_write_iter+0x2d0/0x410 [ 50.565725][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.570902][ T507] vfs_write+0xc1c/0xf40 [ 50.575307][ T507] ? kernel_write+0x3c0/0x3c0 [ 50.580024][ T507] ? mutex_trylock+0xb0/0xb0 [ 50.584732][ T507] ? __fdget_pos+0x26d/0x310 [ 50.589306][ T507] ? ksys_write+0x77/0x2c0 [ 50.593710][ T507] ksys_write+0x198/0x2c0 [ 50.598043][ T507] ? __ia32_sys_read+0x90/0x90 [ 50.602902][ T507] ? debug_smp_processor_id+0x17/0x20 [ 50.608260][ T507] __x64_sys_write+0x7b/0x90 [ 50.613183][ T507] do_syscall_64+0x34/0x70 [ 50.617577][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.623442][ T507] RIP: 0033:0x7f9bcf45d0e9 [ 50.627919][ T507] 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 [ 50.650830][ T507] RSP: 002b:00007f9bcf3d3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.659516][ T507] RAX: ffffffffffffffda RBX: 00007f9bcf56ff60 RCX: 00007f9bcf45d0e9 [ 50.667570][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.675519][ T507] RBP: 00007f9bcf3d31d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.683468][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.691420][ T507] R13: 00007ffc377ef5df R14: 00007f9bcf3d3300 R15: 0000000000022000 [ 50.721397][ T505] FAULT_INJECTION: forcing a failure. [ 50.721397][ T505] name failslab, interval 1, probability 0, space 0, times 0 [ 50.734085][ T505] CPU: 0 PID: 505 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.744813][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.755104][ T505] Call Trace: [ 50.758398][ T505] dump_stack_lvl+0x1e2/0x24b [ 50.763070][ T505] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.768524][ T505] dump_stack+0x15/0x17 [ 50.772675][ T505] should_fail+0x3c0/0x510 [ 50.777241][ T505] ? pids_css_alloc+0x4e/0x120 [ 50.782089][ T505] __should_failslab+0x9f/0xe0 [ 50.786831][ T505] should_failslab+0x9/0x20 [ 50.791314][ T505] kmem_cache_alloc_trace+0x3a/0x330 [ 50.796580][ T505] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.801986][ T505] pids_css_alloc+0x4e/0x120 [ 50.806662][ T505] cgroup_apply_control_enable+0x350/0x12f0 [ 50.812629][ T505] cgroup_apply_control+0x93/0x710 [ 50.817724][ T505] ? css_next_child+0x160/0x160 [ 50.822552][ T505] ? io_schedule+0x120/0x120 [ 50.827120][ T505] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.832645][ T505] ? __kasan_check_write+0x14/0x20 [ 50.837882][ T505] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.843532][ T505] cgroup_subtree_control_write+0xd19/0x1310 [ 50.849490][ T505] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.855619][ T505] ? __kasan_check_write+0x14/0x20 [ 50.860811][ T505] ? _copy_from_iter+0x3fb/0xd60 [ 50.865815][ T505] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.871773][ T505] cgroup_file_write+0x28e/0x590 [ 50.876707][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.881794][ T505] ? mutex_lock+0xa6/0x110 [ 50.886361][ T505] ? mutex_trylock+0xb0/0xb0 [ 50.890924][ T505] ? __kasan_check_write+0x14/0x20 [ 50.896012][ T505] kernfs_fop_write_iter+0x2d0/0x410 [ 50.901359][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.906501][ T505] vfs_write+0xc1c/0xf40 [ 50.911635][ T505] ? kernel_write+0x3c0/0x3c0 [ 50.916300][ T505] ? mutex_trylock+0xb0/0xb0 [ 50.920878][ T505] ? __fdget_pos+0x26d/0x310 [ 50.925669][ T505] ? ksys_write+0x77/0x2c0 [ 50.930226][ T505] ksys_write+0x198/0x2c0 [ 50.934650][ T505] ? __ia32_sys_read+0x90/0x90 [ 50.939891][ T505] ? debug_smp_processor_id+0x17/0x20 [ 50.945413][ T505] __x64_sys_write+0x7b/0x90 [ 50.950003][ T505] do_syscall_64+0x34/0x70 [ 50.954512][ T505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.960701][ T505] RIP: 0033:0x7f70e3a4d0e9 [ 50.965098][ 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 [ 50.985041][ T505] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.993529][ T505] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 51.001484][ T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.009972][ T505] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.018034][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.026166][ T505] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 51.081537][ T521] FAULT_INJECTION: forcing a failure. [ 51.081537][ T521] name failslab, interval 1, probability 0, space 0, times 0 [ 51.094433][ T521] CPU: 1 PID: 521 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.105268][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.115321][ T521] Call Trace: [ 51.118688][ T521] dump_stack_lvl+0x1e2/0x24b [ 51.123430][ T521] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.128961][ T521] ? selinux_kernfs_init_security+0x1a8/0x760 [ 51.135000][ T521] dump_stack+0x15/0x17 [ 51.139130][ T521] should_fail+0x3c0/0x510 [ 51.143607][ T521] ? __kernfs_new_node+0x99/0x6e0 [ 51.148891][ T521] __should_failslab+0x9f/0xe0 [ 51.153716][ T521] should_failslab+0x9/0x20 [ 51.158301][ T521] __kmalloc_track_caller+0x5f/0x350 [ 51.163560][ T521] kstrdup_const+0x55/0x90 [ 51.167949][ T521] __kernfs_new_node+0x99/0x6e0 [ 51.172780][ T521] ? is_module_text_address+0xe1/0x140 [ 51.178214][ T521] ? kernfs_new_node+0x170/0x170 [ 51.183221][ T521] ? ptr_to_hashval+0x60/0x60 [ 51.187882][ T521] ? arch_stack_walk+0xf8/0x140 [ 51.192706][ T521] ? snprintf+0xd6/0x120 [ 51.197032][ T521] kernfs_new_node+0x97/0x170 [ 51.201949][ T521] __kernfs_create_file+0x4a/0x270 [ 51.207130][ T521] cgroup_addrm_files+0xab8/0xfe0 [ 51.212132][ T521] ? ____kasan_kmalloc+0xdc/0x110 [ 51.217133][ T521] ? __kasan_kmalloc+0x9/0x10 [ 51.221909][ T521] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 51.227437][ T521] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 51.233620][ T521] ? delete_node+0x759/0x7b0 [ 51.238274][ T521] ? __kasan_check_read+0x11/0x20 [ 51.243273][ T521] ? delete_node+0x759/0x7b0 [ 51.247839][ T521] ? __kasan_check_write+0x14/0x20 [ 51.252934][ T521] ? idr_replace+0x1c4/0x230 [ 51.257499][ T521] ? idr_get_next+0x4b0/0x4b0 [ 51.262237][ T521] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 51.267345][ T521] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 51.272631][ T521] css_populate_dir+0x137/0x370 [ 51.277632][ T521] cgroup_apply_control_enable+0x8b9/0x12f0 [ 51.283591][ T521] cgroup_apply_control+0x93/0x710 [ 51.288941][ T521] ? css_next_child+0x160/0x160 [ 51.293768][ T521] ? io_schedule+0x120/0x120 [ 51.298341][ T521] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.303774][ T521] ? __kasan_check_write+0x14/0x20 [ 51.308861][ T521] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.314119][ T521] cgroup_subtree_control_write+0xd19/0x1310 [ 51.320176][ T521] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.326316][ T521] ? __kasan_check_write+0x14/0x20 [ 51.331507][ T521] ? _copy_from_iter+0x3fb/0xd60 [ 51.336422][ T521] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.342417][ T521] cgroup_file_write+0x28e/0x590 [ 51.347862][ T521] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.353131][ T521] ? mutex_lock+0xa6/0x110 [ 51.357530][ T521] ? mutex_trylock+0xb0/0xb0 [ 51.362097][ T521] ? __kasan_check_write+0x14/0x20 [ 51.367182][ T521] kernfs_fop_write_iter+0x2d0/0x410 [ 51.372441][ T521] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.377530][ T521] vfs_write+0xc1c/0xf40 [ 51.381747][ T521] ? kernel_write+0x3c0/0x3c0 [ 51.386401][ T521] ? mutex_trylock+0xb0/0xb0 [ 51.390971][ T521] ? __fdget_pos+0x26d/0x310 [ 51.395558][ T521] ? ksys_write+0x77/0x2c0 [ 51.399950][ T521] ksys_write+0x198/0x2c0 [ 51.404256][ T521] ? __ia32_sys_read+0x90/0x90 [ 51.409082][ T521] ? debug_smp_processor_id+0x17/0x20 [ 51.414464][ T521] __x64_sys_write+0x7b/0x90 [ 51.419030][ T521] do_syscall_64+0x34/0x70 [ 51.423423][ T521] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.429289][ T521] RIP: 0033:0x7f9bcf45d0e9 [ 51.433693][ 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 [ 51.453321][ T521] RSP: 002b:00007f9bcf3b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.461708][ T521] RAX: ffffffffffffffda RBX: 00007f9bcf570030 RCX: 00007f9bcf45d0e9 [ 51.469656][ T521] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.477602][ T521] RBP: 00007f9bcf3b21d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.485548][ T521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.493721][ T521] R13: 00007ffc377ef5df R14: 00007f9bcf3b2300 R15: 0000000000022000 [ 51.504675][ T521] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.514984][ T411] ------------[ cut here ]------------ [ 51.520447][ T411] WARNING: CPU: 1 PID: 411 at fs/namespace.c:1109 cleanup_mnt+0x4c5/0x510 [ 51.529212][ T411] Modules linked in: [ 51.533192][ T411] CPU: 1 PID: 411 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.544212][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.554966][ T510] FAULT_INJECTION: forcing a failure. [ 51.554966][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 51.561085][ T411] RIP: 0010:cleanup_mnt+0x4c5/0x510 [ 51.567595][ T510] CPU: 1 PID: 510 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.572841][ T411] Code: 01 a1 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4e 06 b5 ff 48 8b 7d d0 e8 c5 07 05 00 e9 21 fd ff ff e8 3b 06 b5 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 d8 db 5e 86 80 e1 07 80 c1 03 38 c1 [ 51.583450][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.583454][ T510] Call Trace: [ 51.583478][ T510] dump_stack_lvl+0x1e2/0x24b [ 51.583495][ T510] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.603355][ T411] RSP: 0018:ffffc90000ee7e30 EFLAGS: 00010293 [ 51.613287][ T510] ? selinux_kernfs_init_security+0x1a8/0x760 [ 51.613297][ T510] dump_stack+0x15/0x17 [ 51.613307][ T510] should_fail+0x3c0/0x510 [ 51.613322][ T510] ? __kernfs_new_node+0x99/0x6e0 [ 51.616628][ T411] [ 51.621236][ T510] __should_failslab+0x9f/0xe0 [ 51.621247][ T510] should_failslab+0x9/0x20 [ 51.621257][ T510] __kmalloc_track_caller+0x5f/0x350 [ 51.621267][ T510] kstrdup_const+0x55/0x90 [ 51.621280][ T510] __kernfs_new_node+0x99/0x6e0 [ 51.626764][ T411] RAX: ffffffff81b7ac15 RBX: ffffe8ffffd46028 RCX: ffff888103fb4f00 [ 51.632746][ T510] ? is_module_text_address+0xe1/0x140 [ 51.632756][ T510] ? kernfs_new_node+0x170/0x170 [ 51.632766][ T510] ? ptr_to_hashval+0x60/0x60 [ 51.632781][ T510] ? arch_stack_walk+0xf8/0x140 [ 51.639523][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 51.643668][ T510] ? snprintf+0xd6/0x120 [ 51.643680][ T510] kernfs_new_node+0x97/0x170 [ 51.643689][ T510] __kernfs_create_file+0x4a/0x270 [ 51.643698][ T510] cgroup_addrm_files+0xab8/0xfe0 [ 51.643707][ T510] ? ____kasan_kmalloc+0xdc/0x110 [ 51.643714][ T510] ? __kasan_kmalloc+0x9/0x10 [ 51.643724][ T510] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 51.643741][ T510] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 51.648214][ T411] RBP: ffffc90000ee7e80 R08: ffffffff81b7a8f3 R09: 0000000000000003 [ 51.653126][ T510] ? delete_node+0x759/0x7b0 [ 51.653137][ T510] ? __kasan_check_read+0x11/0x20 [ 51.653144][ T510] ? delete_node+0x759/0x7b0 [ 51.653152][ T510] ? __kasan_check_write+0x14/0x20 [ 51.653163][ T510] ? idr_replace+0x1c4/0x230 [ 51.653178][ T510] ? idr_get_next+0x4b0/0x4b0 [ 51.655541][ T411] R10: fffff520001dcfc5 R11: 1ffff920001dcfc4 R12: ffff888111c74068 [ 51.660225][ T510] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 51.660235][ T510] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 51.660255][ T510] css_populate_dir+0x137/0x370 [ 51.664828][ T411] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff [ 51.670355][ T510] cgroup_apply_control_enable+0x8b9/0x12f0 [ 51.670367][ T510] cgroup_apply_control+0x93/0x710 [ 51.670383][ T510] ? css_next_child+0x160/0x160 [ 51.674847][ T411] FS: 0000555555edb400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 51.679596][ T510] ? io_schedule+0x120/0x120 [ 51.679606][ T510] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.679622][ T510] ? __kasan_check_write+0x14/0x20 [ 51.687656][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.693115][ T510] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.693127][ T510] cgroup_subtree_control_write+0xd19/0x1310 [ 51.693138][ T510] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.693148][ T510] ? __kasan_check_write+0x14/0x20 [ 51.693168][ T510] ? _copy_from_iter+0x3fb/0xd60 [ 51.698170][ T411] CR2: 00007f70e39a1ff8 CR3: 000000010b7df000 CR4: 00000000003506b0 [ 51.702822][ T510] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.702832][ T510] cgroup_file_write+0x28e/0x590 [ 51.702841][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.702851][ T510] ? mutex_lock+0xa6/0x110 [ 51.702859][ T510] ? mutex_trylock+0xb0/0xb0 [ 51.702869][ T510] ? __kasan_check_write+0x14/0x20 [ 51.702885][ T510] kernfs_fop_write_iter+0x2d0/0x410 [ 51.707778][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.716436][ T510] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.716454][ T510] vfs_write+0xc1c/0xf40 [ 51.716464][ T510] ? kernel_write+0x3c0/0x3c0 [ 51.716474][ T510] ? mutex_trylock+0xb0/0xb0 [ 51.716492][ T510] ? __fdget_pos+0x26d/0x310 [ 51.720855][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.725449][ T510] ? ksys_write+0x77/0x2c0 [ 51.725457][ T510] ksys_write+0x198/0x2c0 [ 51.725468][ T510] ? __ia32_sys_read+0x90/0x90 [ 51.725477][ T510] ? debug_smp_processor_id+0x17/0x20 [ 51.725484][ T510] __x64_sys_write+0x7b/0x90 [ 51.725493][ T510] do_syscall_64+0x34/0x70 [ 51.725502][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.725510][ T510] RIP: 0033:0x7fd0ea2f70e9 [ 51.725529][ T510] 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 [ 51.725542][ T510] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 [ 51.730896][ T411] Call Trace: [ 51.735698][ T510] ORIG_RAX: 0000000000000001 [ 51.735705][ T510] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 51.735710][ T510] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.735716][ T510] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.735722][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.735730][ T510] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 51.736176][ T510] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.741202][ T411] __cleanup_mnt+0x19/0x20 [ 52.106180][ T411] task_work_run+0x147/0x1b0 [ 52.111346][ T411] exit_to_user_mode_loop+0xc8/0xe0 [ 52.116891][ T411] syscall_exit_to_user_mode+0x77/0xa0 [ 52.122982][ T411] do_syscall_64+0x40/0x70 [ 52.123012][ T518] FAULT_INJECTION: forcing a failure. [ 52.123012][ T518] name failslab, interval 1, probability 0, space 0, times 0 [ 52.127539][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.140716][ T518] CPU: 1 PID: 518 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.146476][ T411] RIP: 0033:0x7f9bcf45e557 [ 52.157069][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.157073][ T518] Call Trace: [ 52.157088][ T518] dump_stack_lvl+0x1e2/0x24b [ 52.157098][ T518] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.157108][ T518] ? selinux_kernfs_init_security+0x1a8/0x760 [ 52.157116][ T518] dump_stack+0x15/0x17 [ 52.157124][ T518] should_fail+0x3c0/0x510 [ 52.157139][ T518] ? __kernfs_new_node+0x99/0x6e0 [ 52.161673][ T411] 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 [ 52.171743][ T518] __should_failslab+0x9f/0xe0 [ 52.171754][ T518] should_failslab+0x9/0x20 [ 52.171764][ T518] __kmalloc_track_caller+0x5f/0x350 [ 52.171779][ T518] kstrdup_const+0x55/0x90 [ 52.175089][ T411] RSP: 002b:00007ffc377ee738 EFLAGS: 00000246 [ 52.179687][ T518] __kernfs_new_node+0x99/0x6e0 [ 52.179698][ T518] ? is_module_text_address+0xe1/0x140 [ 52.179712][ T518] ? kernfs_new_node+0x170/0x170 [ 52.185195][ T411] ORIG_RAX: 00000000000000a6 [ 52.191183][ T518] ? ptr_to_hashval+0x60/0x60 [ 52.191192][ T518] ? arch_stack_walk+0xf8/0x140 [ 52.191201][ T518] ? snprintf+0xd6/0x120 [ 52.191215][ T518] kernfs_new_node+0x97/0x170 [ 52.195371][ T411] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9bcf45e557 [ 52.199833][ T518] __kernfs_create_file+0x4a/0x270 [ 52.199842][ T518] cgroup_addrm_files+0xab8/0xfe0 [ 52.199858][ T518] ? ____kasan_kmalloc+0xdc/0x110 [ 52.204904][ T411] RDX: 00007ffc377ee809 RSI: 000000000000000a RDI: 00007ffc377ee800 [ 52.230198][ T518] ? __kasan_kmalloc+0x9/0x10 [ 52.230210][ T518] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 52.230223][ T518] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 52.230231][ T518] ? delete_node+0x759/0x7b0 [ 52.230239][ T518] ? __kasan_check_read+0x11/0x20 [ 52.230246][ T518] ? delete_node+0x759/0x7b0 [ 52.230254][ T518] ? __kasan_check_write+0x14/0x20 [ 52.230265][ T518] ? idr_replace+0x1c4/0x230 [ 52.230273][ T518] ? idr_get_next+0x4b0/0x4b0 [ 52.230291][ T518] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.235122][ T411] RBP: 00007ffc377ee800 R08: 00000000ffffffff R09: 00007ffc377ee5d0 [ 52.239597][ T518] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.239608][ T518] css_populate_dir+0x137/0x370 [ 52.239625][ T518] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.245046][ T411] R10: 0000555555edcba3 R11: 0000000000000246 R12: 00007f9bcf4b61f8 [ 52.249401][ T518] cgroup_apply_control+0x93/0x710 [ 52.249410][ T518] ? css_next_child+0x160/0x160 [ 52.249426][ T518] ? io_schedule+0x120/0x120 [ 52.255508][ T411] R13: 00007ffc377ef8c0 R14: 0000555555edcb00 R15: 00007ffc377ef900 [ 52.260363][ T518] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.260373][ T518] ? __kasan_check_write+0x14/0x20 [ 52.260389][ T518] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.265862][ T411] ---[ end trace 1349929cea973395 ]--- [ 52.270813][ T518] cgroup_subtree_control_write+0xd19/0x1310 [ 52.270824][ T518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.270840][ T518] ? __kasan_check_write+0x14/0x20 [ 52.469180][ T518] ? _copy_from_iter+0x3fb/0xd60 [ 52.474117][ T518] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.480354][ T518] cgroup_file_write+0x28e/0x590 [ 52.485353][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.490459][ T518] ? mutex_lock+0xa6/0x110 [ 52.494859][ T518] ? mutex_trylock+0xb0/0xb0 [ 52.499436][ T518] ? __kasan_check_write+0x14/0x20 [ 52.504578][ T518] kernfs_fop_write_iter+0x2d0/0x410 [ 52.510032][ T518] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.515235][ T518] vfs_write+0xc1c/0xf40 [ 52.519547][ T518] ? kernel_write+0x3c0/0x3c0 [ 52.524487][ T518] ? mutex_trylock+0xb0/0xb0 [ 52.529082][ T518] ? __fdget_pos+0x26d/0x310 [ 52.533654][ T518] ? ksys_write+0x77/0x2c0 [ 52.538135][ T518] ksys_write+0x198/0x2c0 [ 52.542542][ T518] ? __ia32_sys_read+0x90/0x90 [ 52.547432][ T518] ? debug_smp_processor_id+0x17/0x20 [ 52.552792][ T518] __x64_sys_write+0x7b/0x90 [ 52.557363][ T518] do_syscall_64+0x34/0x70 [ 52.561860][ T518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.567909][ T518] RIP: 0033:0x7f99016a00e9 [ 52.572303][ 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 [ 52.592064][ T518] RSP: 002b:00007f9901616168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.600550][ T518] RAX: ffffffffffffffda RBX: 00007f99017b2f60 RCX: 00007f99016a00e9 [ 52.608901][ T518] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.617150][ T518] RBP: 00007f99016161d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.625505][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.633651][ T518] R13: 00007fffc9e2fd2f R14: 00007f9901616300 R15: 0000000000022000 [ 52.642609][ T518] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.691556][ T524] FAULT_INJECTION: forcing a failure. [ 52.691556][ T524] name failslab, interval 1, probability 0, space 0, times 0 [ 52.704377][ T524] CPU: 0 PID: 524 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.717361][ T524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.727512][ T524] Call Trace: [ 52.730942][ T524] dump_stack_lvl+0x1e2/0x24b [ 52.735614][ T524] ? panic+0x7d7/0x7d7 [ 52.739663][ T524] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.745300][ T524] ? find_next_bit+0xd6/0x120 [ 52.750051][ T524] ? cpumask_next+0x11/0x30 [ 52.754673][ T524] dump_stack+0x15/0x17 [ 52.758826][ T524] should_fail+0x3c0/0x510 [ 52.763322][ T524] ? percpu_ref_init+0xd0/0x330 [ 52.768466][ T524] __should_failslab+0x9f/0xe0 [ 52.773307][ T524] should_failslab+0x9/0x20 [ 52.777795][ T524] kmem_cache_alloc_trace+0x3a/0x330 [ 52.783070][ T524] percpu_ref_init+0xd0/0x330 [ 52.787991][ T524] ? cgroup_setup_root+0xea0/0xea0 [ 52.793173][ T524] cgroup_apply_control_enable+0x3a2/0x12f0 [ 52.799465][ T524] cgroup_apply_control+0x93/0x710 [ 52.804658][ T524] ? css_next_child+0x160/0x160 [ 52.809503][ T524] ? io_schedule+0x120/0x120 [ 52.814431][ T524] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.820077][ T524] ? __kasan_check_write+0x14/0x20 [ 52.825170][ T524] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.830437][ T524] cgroup_subtree_control_write+0xd19/0x1310 [ 52.836404][ T524] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.842378][ T524] ? __kasan_check_write+0x14/0x20 [ 52.847827][ T524] ? _copy_from_iter+0x3fb/0xd60 [ 52.852944][ T524] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.858910][ T524] cgroup_file_write+0x28e/0x590 [ 52.863836][ T524] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.869015][ T524] ? mutex_lock+0xa6/0x110 [ 52.873410][ T524] ? mutex_trylock+0xb0/0xb0 [ 52.877980][ T524] ? __kasan_check_write+0x14/0x20 [ 52.883068][ T524] kernfs_fop_write_iter+0x2d0/0x410 [ 52.888419][ T524] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.893518][ T524] vfs_write+0xc1c/0xf40 [ 52.897927][ T524] ? kernel_write+0x3c0/0x3c0 [ 52.902671][ T524] ? mutex_trylock+0xb0/0xb0 [ 52.907424][ T524] ? __fdget_pos+0x26d/0x310 [ 52.911992][ T524] ? ksys_write+0x77/0x2c0 [ 52.916398][ T524] ksys_write+0x198/0x2c0 [ 52.920725][ T524] ? __ia32_sys_read+0x90/0x90 [ 52.925667][ T524] ? debug_smp_processor_id+0x17/0x20 [ 52.931207][ T524] __x64_sys_write+0x7b/0x90 [ 52.935781][ T524] do_syscall_64+0x34/0x70 [ 52.940176][ T524] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.946241][ T524] RIP: 0033:0x7f70e3a4d0e9 [ 52.950643][ 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 [ 52.970403][ T524] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.978999][ T524] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 52.987060][ T524] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.995202][ T524] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.003314][ T524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.011294][ T524] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 53.051554][ T513] FAULT_INJECTION: forcing a failure. [ 53.051554][ T513] name failslab, interval 1, probability 0, space 0, times 0 [ 53.064794][ T513] CPU: 0 PID: 513 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.077404][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.087452][ T513] Call Trace: [ 53.090833][ T513] dump_stack_lvl+0x1e2/0x24b [ 53.095496][ T513] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.101048][ T513] ? selinux_kernfs_init_security+0x1a8/0x760 [ 53.107100][ T513] dump_stack+0x15/0x17 [ 53.111245][ T513] should_fail+0x3c0/0x510 [ 53.115638][ T513] ? __kernfs_new_node+0x99/0x6e0 [ 53.120727][ T513] __should_failslab+0x9f/0xe0 [ 53.125490][ T513] should_failslab+0x9/0x20 [ 53.129976][ T513] __kmalloc_track_caller+0x5f/0x350 [ 53.135329][ T513] kstrdup_const+0x55/0x90 [ 53.139919][ T513] __kernfs_new_node+0x99/0x6e0 [ 53.144758][ T513] ? is_module_text_address+0xe1/0x140 [ 53.150199][ T513] ? kernfs_new_node+0x170/0x170 [ 53.155119][ T513] ? ptr_to_hashval+0x60/0x60 [ 53.159778][ T513] ? snprintf+0xd6/0x120 [ 53.164003][ T513] ? __kasan_check_write+0x14/0x20 [ 53.169096][ T513] ? mutex_unlock+0x1d/0x40 [ 53.173579][ T513] kernfs_new_node+0x97/0x170 [ 53.178235][ T513] __kernfs_create_file+0x4a/0x270 [ 53.184886][ T513] cgroup_addrm_files+0xab8/0xfe0 [ 53.189889][ T513] ? ____kasan_kmalloc+0xdc/0x110 [ 53.194890][ T513] ? __kasan_kmalloc+0x9/0x10 [ 53.199644][ T513] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 53.205166][ T513] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 53.211295][ T513] ? delete_node+0x759/0x7b0 [ 53.216046][ T513] ? __kasan_check_read+0x11/0x20 [ 53.221143][ T513] ? idr_replace+0x1c4/0x230 [ 53.225717][ T513] ? idr_get_next+0x4b0/0x4b0 [ 53.230370][ T513] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 53.235381][ T513] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 53.240555][ T513] css_populate_dir+0x137/0x370 [ 53.245386][ T513] cgroup_apply_control_enable+0x8b9/0x12f0 [ 53.251256][ T513] cgroup_apply_control+0x93/0x710 [ 53.256350][ T513] ? css_next_child+0x160/0x160 [ 53.261365][ T513] ? io_schedule+0x120/0x120 [ 53.265932][ T513] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.271456][ T513] ? __kasan_check_write+0x14/0x20 [ 53.276662][ T513] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.281925][ T513] cgroup_subtree_control_write+0xd19/0x1310 [ 53.287887][ T513] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.293931][ T513] ? __kasan_check_write+0x14/0x20 [ 53.299184][ T513] ? _copy_from_iter+0x3fb/0xd60 [ 53.304247][ T513] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.310214][ T513] cgroup_file_write+0x28e/0x590 [ 53.315133][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.320232][ T513] ? mutex_lock+0xa6/0x110 [ 53.324627][ T513] ? mutex_trylock+0xb0/0xb0 [ 53.329195][ T513] ? __kasan_check_write+0x14/0x20 [ 53.334280][ T513] kernfs_fop_write_iter+0x2d0/0x410 [ 53.339541][ T513] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.344626][ T513] vfs_write+0xc1c/0xf40 [ 53.348848][ T513] ? kernel_write+0x3c0/0x3c0 [ 53.353508][ T513] ? mutex_trylock+0xb0/0xb0 [ 53.358079][ T513] ? __fdget_pos+0x26d/0x310 [ 53.362661][ T513] ? ksys_write+0x77/0x2c0 [ 53.367073][ T513] ksys_write+0x198/0x2c0 [ 53.371390][ T513] ? __ia32_sys_read+0x90/0x90 [ 53.376244][ T513] ? debug_smp_processor_id+0x17/0x20 [ 53.381594][ T513] __x64_sys_write+0x7b/0x90 [ 53.386166][ T513] do_syscall_64+0x34/0x70 [ 53.390575][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.396442][ T513] RIP: 0033:0x7f92485190e9 [ 53.400849][ T513] 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 [ 53.420701][ T513] RSP: 002b:00007f924846e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.429280][ T513] RAX: ffffffffffffffda RBX: 00007f924862c030 RCX: 00007f92485190e9 [ 53.437255][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.445302][ T513] RBP: 00007f924846e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.453264][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.461225][ T513] R13: 00007ffcfc0de0cf R14: 00007f924846e300 R15: 0000000000022000 [ 53.470693][ T513] cgroup: cgroup_addrm_files: failed to add events, err=-12 [ 53.521576][ T516] FAULT_INJECTION: forcing a failure. [ 53.521576][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 53.534262][ T516] CPU: 1 PID: 516 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.546397][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.556528][ T516] Call Trace: [ 53.559832][ T516] dump_stack_lvl+0x1e2/0x24b [ 53.564684][ T516] ? panic+0x7d7/0x7d7 [ 53.568746][ T516] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.574281][ T516] ? find_next_bit+0xd6/0x120 [ 53.578960][ T516] ? cpumask_next+0x11/0x30 [ 53.583447][ T516] dump_stack+0x15/0x17 [ 53.587815][ T516] should_fail+0x3c0/0x510 [ 53.592242][ T516] ? percpu_ref_init+0xd0/0x330 [ 53.597082][ T516] __should_failslab+0x9f/0xe0 [ 53.601929][ T516] should_failslab+0x9/0x20 [ 53.606495][ T516] kmem_cache_alloc_trace+0x3a/0x330 [ 53.611759][ T516] percpu_ref_init+0xd0/0x330 [ 53.616415][ T516] ? cgroup_setup_root+0xea0/0xea0 [ 53.621952][ T516] cgroup_apply_control_enable+0x3a2/0x12f0 [ 53.627834][ T516] cgroup_apply_control+0x93/0x710 [ 53.632953][ T516] ? css_next_child+0x160/0x160 [ 53.637784][ T516] ? release_task_stack+0x529/0x660 [ 53.642961][ T516] ? io_schedule+0x120/0x120 [ 53.647531][ T516] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.653053][ T516] ? __kasan_check_write+0x14/0x20 [ 53.658155][ T516] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.663419][ T516] cgroup_subtree_control_write+0xd19/0x1310 [ 53.669395][ T516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.675367][ T516] ? __kasan_check_write+0x14/0x20 [ 53.680574][ T516] ? _copy_from_iter+0x3fb/0xd60 [ 53.685498][ T516] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.691550][ T516] cgroup_file_write+0x28e/0x590 [ 53.696490][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.701674][ T516] ? mutex_lock+0xa6/0x110 [ 53.706241][ T516] ? mutex_trylock+0xb0/0xb0 [ 53.710817][ T516] ? __kasan_check_write+0x14/0x20 [ 53.715912][ T516] kernfs_fop_write_iter+0x2d0/0x410 [ 53.721174][ T516] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.726379][ T516] vfs_write+0xc1c/0xf40 [ 53.730611][ T516] ? kernel_write+0x3c0/0x3c0 [ 53.735276][ T516] ? mutex_trylock+0xb0/0xb0 [ 53.740206][ T516] ? __fdget_pos+0x26d/0x310 [ 53.744946][ T516] ? ksys_write+0x77/0x2c0 [ 53.749509][ T516] ksys_write+0x198/0x2c0 [ 53.753820][ T516] ? __ia32_sys_read+0x90/0x90 [ 53.758560][ T516] ? debug_smp_processor_id+0x17/0x20 [ 53.763907][ T516] __x64_sys_write+0x7b/0x90 [ 53.768646][ T516] do_syscall_64+0x34/0x70 [ 53.773044][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.778997][ T516] RIP: 0033:0x7f3c1573b0e9 [ 53.783392][ T516] 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 [ 53.803164][ T516] RSP: 002b:00007f3c15690168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.811732][ T516] RAX: ffffffffffffffda RBX: 00007f3c1584e030 RCX: 00007f3c1573b0e9 [ 53.819780][ T516] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.828432][ T516] RBP: 00007f3c156901d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.836383][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.844342][ T516] R13: 00007ffc1121e50f R14: 00007f3c15690300 R15: 0000000000022000 [ 53.881512][ T532] FAULT_INJECTION: forcing a failure. [ 53.881512][ T532] name failslab, interval 1, probability 0, space 0, times 0 [ 53.894627][ T532] CPU: 0 PID: 532 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.906987][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.918331][ T532] Call Trace: [ 53.921607][ T532] dump_stack_lvl+0x1e2/0x24b [ 53.926301][ T532] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.931864][ T532] ? selinux_kernfs_init_security+0x1a8/0x760 [ 53.938013][ T532] dump_stack+0x15/0x17 [ 53.942321][ T532] should_fail+0x3c0/0x510 [ 53.946736][ T532] ? __kernfs_new_node+0x99/0x6e0 [ 53.953771][ T532] __should_failslab+0x9f/0xe0 [ 53.958660][ T532] should_failslab+0x9/0x20 [ 53.963145][ T532] __kmalloc_track_caller+0x5f/0x350 [ 53.968494][ T532] kstrdup_const+0x55/0x90 [ 53.973030][ T532] __kernfs_new_node+0x99/0x6e0 [ 53.977862][ T532] ? is_module_text_address+0xe1/0x140 [ 53.983314][ T532] ? kernfs_new_node+0x170/0x170 [ 53.988228][ T532] ? ptr_to_hashval+0x60/0x60 [ 53.992879][ T532] ? arch_stack_walk+0xf8/0x140 [ 53.997720][ T532] ? snprintf+0xd6/0x120 [ 54.002026][ T532] kernfs_new_node+0x97/0x170 [ 54.006766][ T532] __kernfs_create_file+0x4a/0x270 [ 54.012028][ T532] cgroup_addrm_files+0xab8/0xfe0 [ 54.017411][ T532] ? ____kasan_kmalloc+0xdc/0x110 [ 54.022496][ T532] ? __kasan_kmalloc+0x9/0x10 [ 54.027152][ T532] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.032857][ T532] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.039075][ T532] ? delete_node+0x759/0x7b0 [ 54.043824][ T532] ? __kasan_check_read+0x11/0x20 [ 54.048937][ T532] ? delete_node+0x759/0x7b0 [ 54.053559][ T532] ? __kasan_check_write+0x14/0x20 [ 54.058658][ T532] ? idr_replace+0x1c4/0x230 [ 54.063516][ T532] ? idr_get_next+0x4b0/0x4b0 [ 54.068176][ T532] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.073173][ T532] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.078522][ T532] css_populate_dir+0x137/0x370 [ 54.083350][ T532] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.089307][ T532] cgroup_apply_control+0x93/0x710 [ 54.094393][ T532] ? css_next_child+0x160/0x160 [ 54.099309][ T532] ? io_schedule+0x120/0x120 [ 54.104086][ T532] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.109717][ T532] ? __kasan_check_write+0x14/0x20 [ 54.115077][ T532] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.120549][ T532] cgroup_subtree_control_write+0xd19/0x1310 [ 54.126517][ T532] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.132488][ T532] ? __kasan_check_write+0x14/0x20 [ 54.137585][ T532] ? _copy_from_iter+0x3fb/0xd60 [ 54.142527][ T532] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.148509][ T532] cgroup_file_write+0x28e/0x590 [ 54.153518][ T532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.158608][ T532] ? mutex_lock+0xa6/0x110 [ 54.163002][ T532] ? mutex_trylock+0xb0/0xb0 [ 54.167572][ T532] ? __kasan_check_write+0x14/0x20 [ 54.172690][ T532] kernfs_fop_write_iter+0x2d0/0x410 [ 54.178074][ T532] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.183308][ T532] vfs_write+0xc1c/0xf40 [ 54.187540][ T532] ? kernel_write+0x3c0/0x3c0 [ 54.192285][ T532] ? mutex_trylock+0xb0/0xb0 [ 54.196859][ T532] ? __fdget_pos+0x26d/0x310 [ 54.201807][ T532] ? ksys_write+0x77/0x2c0 [ 54.206200][ T532] ksys_write+0x198/0x2c0 [ 54.210509][ T532] ? __ia32_sys_read+0x90/0x90 [ 54.215508][ T532] ? debug_smp_processor_id+0x17/0x20 [ 54.220857][ T532] __x64_sys_write+0x7b/0x90 [ 54.225435][ T532] do_syscall_64+0x34/0x70 [ 54.230002][ T532] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.235969][ T532] RIP: 0033:0x7f9bcf45d0e9 [ 54.240369][ T532] 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 [ 54.260059][ T532] RSP: 002b:00007f9bcf3d3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.268466][ T532] RAX: ffffffffffffffda RBX: 00007f9bcf56ff60 RCX: 00007f9bcf45d0e9 2022/05/20 19:30:42 executed programs: 41 [ 54.276428][ T532] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.284380][ T532] RBP: 00007f9bcf3d31d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.292506][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.300548][ T532] R13: 00007ffc377ef5df R14: 00007f9bcf3d3300 R15: 0000000000022000 [ 54.308634][ T532] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.341444][ T537] FAULT_INJECTION: forcing a failure. [ 54.341444][ T537] name failslab, interval 1, probability 0, space 0, times 0 [ 54.354675][ T537] CPU: 1 PID: 537 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.371316][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.381795][ T537] Call Trace: [ 54.385135][ T537] dump_stack_lvl+0x1e2/0x24b [ 54.389797][ T537] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.395523][ T537] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.401567][ T537] dump_stack+0x15/0x17 [ 54.405709][ T537] should_fail+0x3c0/0x510 [ 54.410109][ T537] ? __kernfs_new_node+0x99/0x6e0 [ 54.415371][ T537] __should_failslab+0x9f/0xe0 [ 54.420112][ T537] should_failslab+0x9/0x20 [ 54.424590][ T537] __kmalloc_track_caller+0x5f/0x350 [ 54.429938][ T537] kstrdup_const+0x55/0x90 [ 54.434328][ T537] __kernfs_new_node+0x99/0x6e0 [ 54.439173][ T537] ? is_module_text_address+0xe1/0x140 [ 54.444610][ T537] ? kernfs_new_node+0x170/0x170 [ 54.449702][ T537] ? ptr_to_hashval+0x60/0x60 [ 54.454461][ T537] ? arch_stack_walk+0xf8/0x140 [ 54.459456][ T537] ? snprintf+0xd6/0x120 [ 54.463677][ T537] kernfs_new_node+0x97/0x170 [ 54.468352][ T537] __kernfs_create_file+0x4a/0x270 [ 54.473444][ T537] cgroup_addrm_files+0xab8/0xfe0 [ 54.478449][ T537] ? ____kasan_kmalloc+0xdc/0x110 [ 54.483454][ T537] ? __kasan_kmalloc+0x9/0x10 [ 54.488809][ T537] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.494519][ T537] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.500662][ T537] ? delete_node+0x759/0x7b0 [ 54.505403][ T537] ? __kasan_check_read+0x11/0x20 [ 54.510488][ T537] ? delete_node+0x759/0x7b0 [ 54.515210][ T537] ? __kasan_check_write+0x14/0x20 [ 54.520662][ T537] ? idr_replace+0x1c4/0x230 [ 54.525393][ T537] ? idr_get_next+0x4b0/0x4b0 [ 54.530243][ T537] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.535249][ T537] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.540557][ T537] css_populate_dir+0x137/0x370 [ 54.545510][ T537] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.551383][ T537] cgroup_apply_control+0x93/0x710 [ 54.556479][ T537] ? css_next_child+0x160/0x160 [ 54.561747][ T537] ? release_task_stack+0x529/0x660 [ 54.569262][ T537] ? io_schedule+0x120/0x120 [ 54.573936][ T537] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.579501][ T537] ? __kasan_check_write+0x14/0x20 [ 54.584704][ T537] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.589971][ T537] cgroup_subtree_control_write+0xd19/0x1310 [ 54.596389][ T537] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.602562][ T537] ? __kasan_check_write+0x14/0x20 [ 54.607672][ T537] ? _copy_from_iter+0x3fb/0xd60 [ 54.612870][ T537] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.618869][ T537] cgroup_file_write+0x28e/0x590 [ 54.623883][ T537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.629146][ T537] ? mutex_lock+0xa6/0x110 [ 54.633624][ T537] ? mutex_trylock+0xb0/0xb0 [ 54.638200][ T537] ? __kasan_check_write+0x14/0x20 [ 54.643286][ T537] kernfs_fop_write_iter+0x2d0/0x410 [ 54.648650][ T537] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.653741][ T537] vfs_write+0xc1c/0xf40 [ 54.657980][ T537] ? kernel_write+0x3c0/0x3c0 [ 54.662634][ T537] ? mutex_trylock+0xb0/0xb0 [ 54.667222][ T537] ? __fdget_pos+0x26d/0x310 [ 54.671790][ T537] ? ksys_write+0x77/0x2c0 [ 54.676186][ T537] ksys_write+0x198/0x2c0 [ 54.680692][ T537] ? __ia32_sys_read+0x90/0x90 [ 54.685458][ T537] ? debug_smp_processor_id+0x17/0x20 [ 54.690820][ T537] __x64_sys_write+0x7b/0x90 [ 54.695502][ T537] do_syscall_64+0x34/0x70 [ 54.699987][ T537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.705940][ T537] RIP: 0033:0x7f70e3a4d0e9 [ 54.710347][ T537] 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 [ 54.730132][ T537] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.738811][ T537] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 54.746771][ T537] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.755004][ T537] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.762959][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.771340][ T537] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 54.781666][ T537] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.821453][ T526] FAULT_INJECTION: forcing a failure. [ 54.821453][ T526] name failslab, interval 1, probability 0, space 0, times 0 [ 54.834294][ T526] CPU: 0 PID: 526 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.846637][ T526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.857039][ T526] Call Trace: [ 54.860399][ T526] dump_stack_lvl+0x1e2/0x24b [ 54.865064][ T526] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.870584][ T526] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.876718][ T526] dump_stack+0x15/0x17 [ 54.880968][ T526] should_fail+0x3c0/0x510 [ 54.885367][ T526] ? __kernfs_new_node+0x99/0x6e0 [ 54.890460][ T526] __should_failslab+0x9f/0xe0 [ 54.895226][ T526] should_failslab+0x9/0x20 [ 54.899728][ T526] __kmalloc_track_caller+0x5f/0x350 [ 54.905004][ T526] kstrdup_const+0x55/0x90 [ 54.909579][ T526] __kernfs_new_node+0x99/0x6e0 [ 54.914598][ T526] ? is_module_text_address+0xe1/0x140 [ 54.920138][ T526] ? kernfs_new_node+0x170/0x170 [ 54.925166][ T526] ? ptr_to_hashval+0x60/0x60 [ 54.929926][ T526] ? arch_stack_walk+0xf8/0x140 [ 54.934755][ T526] ? snprintf+0xd6/0x120 [ 54.939101][ T526] kernfs_new_node+0x97/0x170 [ 54.943857][ T526] __kernfs_create_file+0x4a/0x270 [ 54.949082][ T526] cgroup_addrm_files+0xab8/0xfe0 [ 54.954095][ T526] ? ____kasan_kmalloc+0xdc/0x110 [ 54.959110][ T526] ? __kasan_kmalloc+0x9/0x10 [ 54.963855][ T526] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.969376][ T526] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.975505][ T526] ? delete_node+0x759/0x7b0 [ 54.980157][ T526] ? __kasan_check_read+0x11/0x20 [ 54.985156][ T526] ? delete_node+0x759/0x7b0 [ 54.989723][ T526] ? __kasan_check_write+0x14/0x20 [ 54.994903][ T526] ? idr_replace+0x1c4/0x230 [ 54.999616][ T526] ? idr_get_next+0x4b0/0x4b0 [ 55.004287][ T526] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 55.009386][ T526] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 55.014589][ T526] css_populate_dir+0x137/0x370 [ 55.019424][ T526] cgroup_apply_control_enable+0x8b9/0x12f0 [ 55.025291][ T526] cgroup_apply_control+0x93/0x710 [ 55.030393][ T526] ? css_next_child+0x160/0x160 [ 55.035315][ T526] ? io_schedule+0x120/0x120 [ 55.040015][ T526] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.045536][ T526] ? __kasan_check_write+0x14/0x20 [ 55.050630][ T526] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.055913][ T526] cgroup_subtree_control_write+0xd19/0x1310 [ 55.062056][ T526] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.068200][ T526] ? __kasan_check_write+0x14/0x20 [ 55.073289][ T526] ? _copy_from_iter+0x3fb/0xd60 [ 55.078229][ T526] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.084184][ T526] cgroup_file_write+0x28e/0x590 [ 55.089105][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.094192][ T526] ? mutex_lock+0xa6/0x110 [ 55.098588][ T526] ? mutex_trylock+0xb0/0xb0 [ 55.103160][ T526] ? __kasan_check_write+0x14/0x20 [ 55.108247][ T526] kernfs_fop_write_iter+0x2d0/0x410 [ 55.113595][ T526] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.118779][ T526] vfs_write+0xc1c/0xf40 [ 55.123000][ T526] ? kernel_write+0x3c0/0x3c0 [ 55.127916][ T526] ? mutex_trylock+0xb0/0xb0 [ 55.132634][ T526] ? __fdget_pos+0x26d/0x310 [ 55.137218][ T526] ? ksys_write+0x77/0x2c0 [ 55.141615][ T526] ksys_write+0x198/0x2c0 [ 55.145930][ T526] ? __ia32_sys_read+0x90/0x90 [ 55.150672][ T526] ? debug_smp_processor_id+0x17/0x20 [ 55.156103][ T526] __x64_sys_write+0x7b/0x90 [ 55.160681][ T526] do_syscall_64+0x34/0x70 [ 55.165097][ T526] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.170970][ T526] RIP: 0033:0x7fd0ea2f70e9 [ 55.175370][ T526] 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 [ 55.195686][ T526] RSP: 002b:00007fd0ea26d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.204088][ T526] RAX: ffffffffffffffda RBX: 00007fd0ea409f60 RCX: 00007fd0ea2f70e9 [ 55.212071][ T526] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.220194][ T526] RBP: 00007fd0ea26d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.228324][ T526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.236372][ T526] R13: 00007ffcc42d1a7f R14: 00007fd0ea26d300 R15: 0000000000022000 [ 55.246647][ T526] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.291484][ T549] FAULT_INJECTION: forcing a failure. [ 55.291484][ T549] name failslab, interval 1, probability 0, space 0, times 0 [ 55.304220][ T549] CPU: 0 PID: 549 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 55.316342][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.326468][ T549] Call Trace: [ 55.329737][ T549] dump_stack_lvl+0x1e2/0x24b [ 55.334395][ T549] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.339838][ T549] ? selinux_kernfs_init_security+0x1a8/0x760 [ 55.345976][ T549] dump_stack+0x15/0x17 [ 55.350115][ T549] should_fail+0x3c0/0x510 [ 55.354866][ T549] ? __kernfs_new_node+0x99/0x6e0 [ 55.360276][ T549] __should_failslab+0x9f/0xe0 [ 55.365029][ T549] should_failslab+0x9/0x20 [ 55.369515][ T549] __kmalloc_track_caller+0x5f/0x350 [ 55.375393][ T549] kstrdup_const+0x55/0x90 [ 55.379787][ T549] __kernfs_new_node+0x99/0x6e0 [ 55.384628][ T549] ? is_module_text_address+0xe1/0x140 [ 55.390074][ T549] ? kernfs_new_node+0x170/0x170 [ 55.395128][ T549] ? ptr_to_hashval+0x60/0x60 [ 55.399875][ T549] ? arch_stack_walk+0xf8/0x140 [ 55.404710][ T549] ? snprintf+0xd6/0x120 [ 55.409328][ T549] kernfs_new_node+0x97/0x170 [ 55.414283][ T549] __kernfs_create_file+0x4a/0x270 [ 55.419493][ T549] cgroup_addrm_files+0xab8/0xfe0 [ 55.424599][ T549] ? ____kasan_kmalloc+0xdc/0x110 [ 55.429724][ T549] ? __kasan_kmalloc+0x9/0x10 [ 55.434654][ T549] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 55.440324][ T549] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 55.446475][ T549] ? delete_node+0x759/0x7b0 [ 55.451061][ T549] ? __kasan_check_read+0x11/0x20 [ 55.456066][ T549] ? delete_node+0x759/0x7b0 [ 55.460846][ T549] ? __kasan_check_write+0x14/0x20 [ 55.465960][ T549] ? idr_replace+0x1c4/0x230 [ 55.470632][ T549] ? idr_get_next+0x4b0/0x4b0 [ 55.475305][ T549] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 55.480586][ T549] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 55.485773][ T549] css_populate_dir+0x137/0x370 [ 55.490699][ T549] cgroup_apply_control_enable+0x8b9/0x12f0 [ 55.496645][ T549] cgroup_apply_control+0x93/0x710 [ 55.501750][ T549] ? css_next_child+0x160/0x160 [ 55.506589][ T549] ? io_schedule+0x120/0x120 [ 55.511362][ T549] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.516818][ T549] ? __kasan_check_write+0x14/0x20 [ 55.522035][ T549] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.527763][ T549] cgroup_subtree_control_write+0xd19/0x1310 [ 55.534124][ T549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.540095][ T549] ? __kasan_check_write+0x14/0x20 [ 55.545209][ T549] ? _copy_from_iter+0x3fb/0xd60 [ 55.550130][ T549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.556180][ T549] cgroup_file_write+0x28e/0x590 [ 55.561282][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.566653][ T549] ? mutex_lock+0xa6/0x110 [ 55.571069][ T549] ? mutex_trylock+0xb0/0xb0 [ 55.575735][ T549] ? __kasan_check_write+0x14/0x20 [ 55.580825][ T549] kernfs_fop_write_iter+0x2d0/0x410 [ 55.586224][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.591316][ T549] vfs_write+0xc1c/0xf40 [ 55.595863][ T549] ? kernel_write+0x3c0/0x3c0 [ 55.600539][ T549] ? mutex_trylock+0xb0/0xb0 [ 55.605218][ T549] ? __fdget_pos+0x26d/0x310 [ 55.609968][ T549] ? ksys_write+0x77/0x2c0 [ 55.614811][ T549] ksys_write+0x198/0x2c0 [ 55.619304][ T549] ? __ia32_sys_read+0x90/0x90 [ 55.624052][ T549] ? debug_smp_processor_id+0x17/0x20 [ 55.629626][ T549] __x64_sys_write+0x7b/0x90 [ 55.634221][ T549] do_syscall_64+0x34/0x70 [ 55.638643][ T549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.644715][ T549] RIP: 0033:0x7f70e3a4d0e9 [ 55.649235][ T549] 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 [ 55.669232][ T549] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.677763][ T549] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 55.685727][ T549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.693861][ T549] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.702083][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.710037][ T549] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 55.718727][ T549] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 55.751586][ T552] FAULT_INJECTION: forcing a failure. [ 55.751586][ T552] name failslab, interval 1, probability 0, space 0, times 0 [ 55.764537][ T552] CPU: 0 PID: 552 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 55.776783][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.786839][ T552] Call Trace: [ 55.790116][ T552] dump_stack_lvl+0x1e2/0x24b [ 55.794853][ T552] ? panic+0x7d7/0x7d7 [ 55.798896][ T552] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.804329][ T552] ? find_next_bit+0xd6/0x120 [ 55.808985][ T552] ? cpumask_next+0x11/0x30 [ 55.813477][ T552] dump_stack+0x15/0x17 [ 55.817694][ T552] should_fail+0x3c0/0x510 [ 55.822095][ T552] ? percpu_ref_init+0xd0/0x330 [ 55.826922][ T552] __should_failslab+0x9f/0xe0 [ 55.831659][ T552] should_failslab+0x9/0x20 [ 55.836140][ T552] kmem_cache_alloc_trace+0x3a/0x330 [ 55.841406][ T552] percpu_ref_init+0xd0/0x330 [ 55.846059][ T552] ? cgroup_setup_root+0xea0/0xea0 [ 55.851219][ T552] cgroup_apply_control_enable+0x3a2/0x12f0 [ 55.857091][ T552] cgroup_apply_control+0x93/0x710 [ 55.862265][ T552] ? css_next_child+0x160/0x160 [ 55.867352][ T552] ? io_schedule+0x120/0x120 [ 55.871921][ T552] ? __kasan_check_write+0x14/0x20 [ 55.877007][ T552] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.882368][ T552] cgroup_subtree_control_write+0xd19/0x1310 [ 55.888337][ T552] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.894385][ T552] ? __kasan_check_write+0x14/0x20 [ 55.899560][ T552] ? _copy_from_iter+0x3fb/0xd60 [ 55.904573][ T552] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.910533][ T552] cgroup_file_write+0x28e/0x590 [ 55.915447][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.920712][ T552] ? mutex_lock+0xa6/0x110 [ 55.925106][ T552] ? mutex_trylock+0xb0/0xb0 [ 55.929677][ T552] ? __kasan_check_write+0x14/0x20 [ 55.935038][ T552] kernfs_fop_write_iter+0x2d0/0x410 [ 55.940388][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.945478][ T552] vfs_write+0xc1c/0xf40 [ 55.949700][ T552] ? kernel_write+0x3c0/0x3c0 [ 55.954358][ T552] ? mutex_trylock+0xb0/0xb0 [ 55.959282][ T552] ? __fdget_pos+0x26d/0x310 [ 55.964043][ T552] ? ksys_write+0x77/0x2c0 [ 55.968447][ T552] ksys_write+0x198/0x2c0 [ 55.972755][ T552] ? __ia32_sys_read+0x90/0x90 [ 55.977671][ T552] ? debug_smp_processor_id+0x17/0x20 [ 55.983018][ T552] __x64_sys_write+0x7b/0x90 [ 55.987588][ T552] do_syscall_64+0x34/0x70 [ 55.992090][ T552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.998047][ T552] RIP: 0033:0x7fd0ea2f70e9 [ 56.002617][ T552] 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 [ 56.023004][ T552] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.031479][ T552] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 56.039522][ T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.047469][ T552] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.055413][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.063362][ T552] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 56.111610][ T546] FAULT_INJECTION: forcing a failure. [ 56.111610][ T546] name failslab, interval 1, probability 0, space 0, times 0 [ 56.124837][ T546] CPU: 0 PID: 546 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 56.137239][ T546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.147280][ T546] Call Trace: [ 56.150557][ T546] dump_stack_lvl+0x1e2/0x24b [ 56.155211][ T546] ? bfq_pos_tree_add_move+0x43e/0x43e [ 56.160642][ T546] ? selinux_kernfs_init_security+0x1a8/0x760 [ 56.166802][ T546] dump_stack+0x15/0x17 [ 56.170935][ T546] should_fail+0x3c0/0x510 [ 56.175417][ T546] ? __kernfs_new_node+0x99/0x6e0 [ 56.180433][ T546] __should_failslab+0x9f/0xe0 [ 56.185193][ T546] should_failslab+0x9/0x20 [ 56.189678][ T546] __kmalloc_track_caller+0x5f/0x350 [ 56.194959][ T546] kstrdup_const+0x55/0x90 [ 56.199354][ T546] __kernfs_new_node+0x99/0x6e0 [ 56.204271][ T546] ? is_module_text_address+0xe1/0x140 [ 56.209715][ T546] ? kernfs_new_node+0x170/0x170 [ 56.214638][ T546] ? ptr_to_hashval+0x60/0x60 [ 56.219303][ T546] ? arch_stack_walk+0xf8/0x140 [ 56.224145][ T546] ? snprintf+0xd6/0x120 [ 56.228467][ T546] kernfs_new_node+0x97/0x170 [ 56.233128][ T546] __kernfs_create_file+0x4a/0x270 [ 56.238224][ T546] cgroup_addrm_files+0xab8/0xfe0 [ 56.243805][ T546] ? ____kasan_kmalloc+0xdc/0x110 [ 56.248814][ T546] ? __kasan_kmalloc+0x9/0x10 [ 56.253467][ T546] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 56.258997][ T546] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 56.265192][ T546] ? delete_node+0x759/0x7b0 [ 56.269860][ T546] ? __kasan_check_read+0x11/0x20 [ 56.274892][ T546] ? delete_node+0x759/0x7b0 [ 56.279554][ T546] ? __kasan_check_write+0x14/0x20 [ 56.284649][ T546] ? idr_replace+0x1c4/0x230 [ 56.289220][ T546] ? idr_get_next+0x4b0/0x4b0 [ 56.293875][ T546] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 56.298894][ T546] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 56.304163][ T546] css_populate_dir+0x137/0x370 [ 56.309000][ T546] cgroup_apply_control_enable+0x8b9/0x12f0 [ 56.314877][ T546] cgroup_apply_control+0x93/0x710 [ 56.319972][ T546] ? css_next_child+0x160/0x160 [ 56.325125][ T546] ? io_schedule+0x120/0x120 [ 56.329690][ T546] ? kernfs_fop_write_iter+0x15e/0x410 [ 56.335244][ T546] ? __kasan_check_write+0x14/0x20 [ 56.340521][ T546] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 56.345811][ T546] cgroup_subtree_control_write+0xd19/0x1310 [ 56.351799][ T546] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.357944][ T546] ? __kasan_check_write+0x14/0x20 [ 56.363047][ T546] ? _copy_from_iter+0x3fb/0xd60 [ 56.367967][ T546] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.373939][ T546] cgroup_file_write+0x28e/0x590 [ 56.378869][ T546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.383968][ T546] ? mutex_lock+0xa6/0x110 [ 56.388361][ T546] ? mutex_trylock+0xb0/0xb0 [ 56.392929][ T546] ? __kasan_check_write+0x14/0x20 [ 56.398034][ T546] kernfs_fop_write_iter+0x2d0/0x410 [ 56.403296][ T546] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.408383][ T546] vfs_write+0xc1c/0xf40 [ 56.412671][ T546] ? kernel_write+0x3c0/0x3c0 [ 56.417624][ T546] ? mutex_trylock+0xb0/0xb0 [ 56.422205][ T546] ? __fdget_pos+0x26d/0x310 [ 56.426889][ T546] ? ksys_write+0x77/0x2c0 [ 56.431287][ T546] ksys_write+0x198/0x2c0 [ 56.435699][ T546] ? __ia32_sys_read+0x90/0x90 [ 56.440445][ T546] ? debug_smp_processor_id+0x17/0x20 [ 56.445892][ T546] __x64_sys_write+0x7b/0x90 [ 56.450492][ T546] do_syscall_64+0x34/0x70 [ 56.454952][ T546] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.460944][ T546] RIP: 0033:0x7f9bcf45d0e9 [ 56.465342][ T546] 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 [ 56.485105][ T546] RSP: 002b:00007f9bcf3b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.493581][ T546] RAX: ffffffffffffffda RBX: 00007f9bcf570030 RCX: 00007f9bcf45d0e9 [ 56.505349][ T546] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.513408][ T546] RBP: 00007f9bcf3b21d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.521552][ T546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.529597][ T546] R13: 00007ffc377ef5df R14: 00007f9bcf3b2300 R15: 0000000000022000 [ 56.538810][ T546] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.561441][ T540] FAULT_INJECTION: forcing a failure. [ 56.561441][ T540] name failslab, interval 1, probability 0, space 0, times 0 [ 56.574230][ T540] CPU: 1 PID: 540 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 56.586464][ T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.596620][ T540] Call Trace: [ 56.599897][ T540] dump_stack_lvl+0x1e2/0x24b [ 56.604588][ T540] ? bfq_pos_tree_add_move+0x43e/0x43e [ 56.610221][ T540] ? selinux_kernfs_init_security+0x1a8/0x760 [ 56.616371][ T540] dump_stack+0x15/0x17 [ 56.620614][ T540] should_fail+0x3c0/0x510 [ 56.625017][ T540] ? __kernfs_new_node+0x99/0x6e0 [ 56.630202][ T540] __should_failslab+0x9f/0xe0 [ 56.634993][ T540] should_failslab+0x9/0x20 [ 56.639563][ T540] __kmalloc_track_caller+0x5f/0x350 [ 56.644921][ T540] kstrdup_const+0x55/0x90 [ 56.649320][ T540] __kernfs_new_node+0x99/0x6e0 [ 56.654243][ T540] ? is_module_text_address+0xe1/0x140 [ 56.659869][ T540] ? kernfs_new_node+0x170/0x170 [ 56.664786][ T540] ? ptr_to_hashval+0x60/0x60 [ 56.669441][ T540] ? arch_stack_walk+0xf8/0x140 [ 56.674269][ T540] ? snprintf+0xd6/0x120 [ 56.678579][ T540] kernfs_new_node+0x97/0x170 [ 56.683238][ T540] __kernfs_create_file+0x4a/0x270 [ 56.688420][ T540] cgroup_addrm_files+0xab8/0xfe0 [ 56.693787][ T540] ? ____kasan_kmalloc+0xdc/0x110 [ 56.698796][ T540] ? __kasan_kmalloc+0x9/0x10 [ 56.703446][ T540] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 56.708971][ T540] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 56.715105][ T540] ? delete_node+0x759/0x7b0 [ 56.719685][ T540] ? __kasan_check_read+0x11/0x20 [ 56.724859][ T540] ? delete_node+0x759/0x7b0 [ 56.729553][ T540] ? __kasan_check_write+0x14/0x20 [ 56.734653][ T540] ? idr_replace+0x1c4/0x230 [ 56.739237][ T540] ? idr_get_next+0x4b0/0x4b0 [ 56.743913][ T540] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 56.748923][ T540] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 56.754195][ T540] css_populate_dir+0x137/0x370 [ 56.759028][ T540] cgroup_apply_control_enable+0x8b9/0x12f0 [ 56.765230][ T540] cgroup_apply_control+0x93/0x710 [ 56.770836][ T540] ? css_next_child+0x160/0x160 [ 56.775830][ T540] ? io_schedule+0x120/0x120 [ 56.780412][ T540] ? kernfs_fop_write_iter+0x15e/0x410 [ 56.786093][ T540] ? __kasan_check_write+0x14/0x20 [ 56.791182][ T540] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 56.796547][ T540] cgroup_subtree_control_write+0xd19/0x1310 [ 56.802953][ T540] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.808909][ T540] ? __kasan_check_write+0x14/0x20 [ 56.814002][ T540] ? _copy_from_iter+0x3fb/0xd60 [ 56.819192][ T540] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.825163][ T540] cgroup_file_write+0x28e/0x590 [ 56.830087][ T540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.835176][ T540] ? mutex_lock+0xa6/0x110 [ 56.839756][ T540] ? mutex_trylock+0xb0/0xb0 [ 56.844337][ T540] ? __kasan_check_write+0x14/0x20 [ 56.849433][ T540] kernfs_fop_write_iter+0x2d0/0x410 [ 56.854697][ T540] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.859787][ T540] vfs_write+0xc1c/0xf40 [ 56.864156][ T540] ? kernel_write+0x3c0/0x3c0 [ 56.868824][ T540] ? mutex_trylock+0xb0/0xb0 [ 56.873406][ T540] ? __fdget_pos+0x26d/0x310 [ 56.877974][ T540] ? ksys_write+0x77/0x2c0 [ 56.882364][ T540] ksys_write+0x198/0x2c0 [ 56.886671][ T540] ? __ia32_sys_read+0x90/0x90 [ 56.891410][ T540] ? debug_smp_processor_id+0x17/0x20 [ 56.896757][ T540] __x64_sys_write+0x7b/0x90 [ 56.901331][ T540] do_syscall_64+0x34/0x70 [ 56.905737][ T540] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.911731][ T540] RIP: 0033:0x7f92485190e9 [ 56.916255][ T540] 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 [ 56.935932][ T540] RSP: 002b:00007f924846e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.944332][ T540] RAX: ffffffffffffffda RBX: 00007f924862c030 RCX: 00007f92485190e9 [ 56.952948][ T540] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.961317][ T540] RBP: 00007f924846e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.969545][ T540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.977679][ T540] R13: 00007ffcfc0de0cf R14: 00007f924846e300 R15: 0000000000022000 [ 56.986148][ T540] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.021641][ T555] FAULT_INJECTION: forcing a failure. [ 57.021641][ T555] name failslab, interval 1, probability 0, space 0, times 0 [ 57.034746][ T555] CPU: 1 PID: 555 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 57.047224][ T555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.057350][ T555] Call Trace: [ 57.060800][ T555] dump_stack_lvl+0x1e2/0x24b [ 57.065638][ T555] ? panic+0x7d7/0x7d7 [ 57.070119][ T555] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.075553][ T555] ? find_next_bit+0xd6/0x120 [ 57.080310][ T555] ? cpumask_next+0x11/0x30 [ 57.084794][ T555] dump_stack+0x15/0x17 [ 57.089024][ T555] should_fail+0x3c0/0x510 [ 57.093589][ T555] ? percpu_ref_init+0xd0/0x330 [ 57.098415][ T555] __should_failslab+0x9f/0xe0 [ 57.103419][ T555] should_failslab+0x9/0x20 [ 57.107949][ T555] kmem_cache_alloc_trace+0x3a/0x330 [ 57.113305][ T555] percpu_ref_init+0xd0/0x330 [ 57.117964][ T555] ? cgroup_setup_root+0xea0/0xea0 [ 57.123058][ T555] cgroup_apply_control_enable+0x3a2/0x12f0 [ 57.128933][ T555] cgroup_apply_control+0x93/0x710 [ 57.134116][ T555] ? css_next_child+0x160/0x160 [ 57.138951][ T555] ? io_schedule+0x120/0x120 [ 57.143524][ T555] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.148959][ T555] ? __kasan_check_write+0x14/0x20 [ 57.154047][ T555] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.159315][ T555] cgroup_subtree_control_write+0xd19/0x1310 [ 57.165377][ T555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.171421][ T555] ? __kasan_check_write+0x14/0x20 [ 57.176508][ T555] ? _copy_from_iter+0x3fb/0xd60 [ 57.181508][ T555] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.187559][ T555] cgroup_file_write+0x28e/0x590 [ 57.192555][ T555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.197902][ T555] ? mutex_lock+0xa6/0x110 [ 57.202575][ T555] ? mutex_trylock+0xb0/0xb0 [ 57.207326][ T555] ? __kasan_check_write+0x14/0x20 [ 57.212426][ T555] kernfs_fop_write_iter+0x2d0/0x410 [ 57.217702][ T555] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.222797][ T555] vfs_write+0xc1c/0xf40 [ 57.227109][ T555] ? kernel_write+0x3c0/0x3c0 [ 57.231989][ T555] ? mutex_trylock+0xb0/0xb0 [ 57.236661][ T555] ? __fdget_pos+0x26d/0x310 [ 57.241366][ T555] ? ksys_write+0x77/0x2c0 [ 57.245769][ T555] ksys_write+0x198/0x2c0 [ 57.250089][ T555] ? __ia32_sys_read+0x90/0x90 [ 57.255008][ T555] ? debug_smp_processor_id+0x17/0x20 [ 57.260370][ T555] __x64_sys_write+0x7b/0x90 [ 57.265270][ T555] do_syscall_64+0x34/0x70 [ 57.269678][ T555] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.275718][ T555] RIP: 0033:0x7f70e3a4d0e9 [ 57.280108][ T555] 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 [ 57.300193][ T555] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.308588][ T555] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 57.316719][ T555] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.324678][ T555] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.332637][ T555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.340909][ T555] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 57.350507][ T23] audit: type=1400 audit(1653075045.659:161): avc: denied { unlink } for pid=143 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 [ 57.411464][ T534] FAULT_INJECTION: forcing a failure. [ 57.411464][ T534] name failslab, interval 1, probability 0, space 0, times 0 [ 57.424237][ T534] CPU: 0 PID: 534 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 57.436697][ T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.446827][ T534] Call Trace: [ 57.450184][ T534] dump_stack_lvl+0x1e2/0x24b [ 57.454838][ T534] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.460365][ T534] ? selinux_kernfs_init_security+0x1a8/0x760 [ 57.466421][ T534] dump_stack+0x15/0x17 [ 57.470556][ T534] should_fail+0x3c0/0x510 [ 57.474955][ T534] ? __kernfs_new_node+0x99/0x6e0 [ 57.480082][ T534] __should_failslab+0x9f/0xe0 [ 57.484907][ T534] should_failslab+0x9/0x20 [ 57.489387][ T534] __kmalloc_track_caller+0x5f/0x350 [ 57.494666][ T534] kstrdup_const+0x55/0x90 [ 57.499145][ T534] __kernfs_new_node+0x99/0x6e0 [ 57.503973][ T534] ? is_module_text_address+0xe1/0x140 [ 57.509418][ T534] ? kernfs_new_node+0x170/0x170 [ 57.514497][ T534] ? ptr_to_hashval+0x60/0x60 [ 57.519152][ T534] ? arch_stack_walk+0xf8/0x140 [ 57.524156][ T534] ? snprintf+0xd6/0x120 [ 57.528412][ T534] kernfs_new_node+0x97/0x170 [ 57.533074][ T534] __kernfs_create_file+0x4a/0x270 [ 57.538308][ T534] cgroup_addrm_files+0xab8/0xfe0 [ 57.543408][ T534] ? ____kasan_kmalloc+0xdc/0x110 [ 57.548503][ T534] ? __kasan_kmalloc+0x9/0x10 [ 57.553161][ T534] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 57.558683][ T534] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 57.564816][ T534] ? delete_node+0x759/0x7b0 [ 57.569384][ T534] ? __kasan_check_read+0x11/0x20 [ 57.574472][ T534] ? delete_node+0x759/0x7b0 [ 57.579141][ T534] ? __kasan_check_write+0x14/0x20 [ 57.584234][ T534] ? idr_replace+0x1c4/0x230 [ 57.588810][ T534] ? idr_get_next+0x4b0/0x4b0 [ 57.593468][ T534] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 57.598482][ T534] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 57.603836][ T534] css_populate_dir+0x137/0x370 [ 57.608670][ T534] cgroup_apply_control_enable+0x8b9/0x12f0 [ 57.614808][ T534] cgroup_apply_control+0x93/0x710 [ 57.619990][ T534] ? css_next_child+0x160/0x160 [ 57.624824][ T534] ? release_task_stack+0x529/0x660 [ 57.630228][ T534] ? io_schedule+0x120/0x120 [ 57.634902][ T534] ? kernfs_fop_write_iter+0x15e/0x410 [ 57.640342][ T534] ? __kasan_check_write+0x14/0x20 [ 57.645435][ T534] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 57.650695][ T534] cgroup_subtree_control_write+0xd19/0x1310 [ 57.656670][ T534] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.662633][ T534] ? __kasan_check_write+0x14/0x20 [ 57.667810][ T534] ? _copy_from_iter+0x3fb/0xd60 [ 57.672749][ T534] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 57.678704][ T534] cgroup_file_write+0x28e/0x590 [ 57.683723][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.688808][ T534] ? mutex_lock+0xa6/0x110 [ 57.693214][ T534] ? mutex_trylock+0xb0/0xb0 [ 57.697781][ T534] ? __kasan_check_write+0x14/0x20 [ 57.702865][ T534] kernfs_fop_write_iter+0x2d0/0x410 [ 57.708125][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 57.713222][ T534] vfs_write+0xc1c/0xf40 [ 57.717514][ T534] ? kernel_write+0x3c0/0x3c0 [ 57.722303][ T534] ? mutex_trylock+0xb0/0xb0 [ 57.726887][ T534] ? __fdget_pos+0x26d/0x310 [ 57.731460][ T534] ? ksys_write+0x77/0x2c0 [ 57.735860][ T534] ksys_write+0x198/0x2c0 [ 57.740461][ T534] ? __ia32_sys_read+0x90/0x90 [ 57.745208][ T534] ? debug_smp_processor_id+0x17/0x20 [ 57.750564][ T534] __x64_sys_write+0x7b/0x90 [ 57.755151][ T534] do_syscall_64+0x34/0x70 [ 57.759813][ T534] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.765699][ T534] RIP: 0033:0x7f99016a00e9 [ 57.770097][ T534] 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 [ 57.789684][ T534] RSP: 002b:00007f99015f5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.798079][ T534] RAX: ffffffffffffffda RBX: 00007f99017b3030 RCX: 00007f99016a00e9 [ 57.806296][ T534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.814248][ T534] RBP: 00007f99015f51d0 R08: 0000000000000000 R09: 0000000000000000 [ 57.822337][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 57.830295][ T534] R13: 00007fffc9e2fd2f R14: 00007f99015f5300 R15: 0000000000022000 [ 57.838717][ T534] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 57.891699][ T558] FAULT_INJECTION: forcing a failure. [ 57.891699][ T558] name failslab, interval 1, probability 0, space 0, times 0 [ 57.904594][ T558] CPU: 1 PID: 558 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 57.917087][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.927391][ T558] Call Trace: [ 57.930677][ T558] dump_stack_lvl+0x1e2/0x24b [ 57.935331][ T558] ? panic+0x7d7/0x7d7 [ 57.939373][ T558] ? bfq_pos_tree_add_move+0x43e/0x43e [ 57.944971][ T558] ? selinux_kernfs_init_security+0x1a8/0x760 [ 57.951199][ T558] dump_stack+0x15/0x17 [ 57.955333][ T558] should_fail+0x3c0/0x510 [ 57.959735][ T558] __should_failslab+0x9f/0xe0 [ 57.964480][ T558] should_failslab+0x9/0x20 [ 57.969074][ T558] kmem_cache_alloc+0x3f/0x300 [ 57.973904][ T558] ? __kernfs_new_node+0xdb/0x6e0 [ 57.978907][ T558] __kernfs_new_node+0xdb/0x6e0 [ 57.983749][ T558] ? is_module_text_address+0xe1/0x140 [ 57.989186][ T558] ? kernfs_new_node+0x170/0x170 [ 57.994109][ T558] ? ptr_to_hashval+0x60/0x60 [ 57.998764][ T558] ? snprintf+0xd6/0x120 [ 58.002999][ T558] ? __kasan_check_write+0x14/0x20 [ 58.008306][ T558] ? mutex_unlock+0x1d/0x40 [ 58.012874][ T558] kernfs_new_node+0x97/0x170 [ 58.017531][ T558] __kernfs_create_file+0x4a/0x270 [ 58.022616][ T558] cgroup_addrm_files+0xab8/0xfe0 [ 58.027613][ T558] ? ____kasan_kmalloc+0xdc/0x110 [ 58.032697][ T558] ? __kasan_kmalloc+0x9/0x10 [ 58.037371][ T558] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 58.042985][ T558] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 58.049382][ T558] ? delete_node+0x759/0x7b0 [ 58.053949][ T558] ? __kasan_check_read+0x11/0x20 [ 58.058951][ T558] ? idr_replace+0x1c4/0x230 [ 58.063518][ T558] ? idr_get_next+0x4b0/0x4b0 [ 58.068167][ T558] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 58.073264][ T558] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 58.078455][ T558] css_populate_dir+0x137/0x370 [ 58.083456][ T558] cgroup_apply_control_enable+0x8b9/0x12f0 [ 58.089323][ T558] cgroup_apply_control+0x93/0x710 [ 58.094668][ T558] ? css_next_child+0x160/0x160 [ 58.099493][ T558] ? release_task_stack+0x529/0x660 [ 58.104665][ T558] ? io_schedule+0x120/0x120 [ 58.109331][ T558] ? kernfs_fop_write_iter+0x15e/0x410 [ 58.114985][ T558] ? __kasan_check_write+0x14/0x20 [ 58.120071][ T558] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 58.125330][ T558] cgroup_subtree_control_write+0xd19/0x1310 [ 58.131291][ T558] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.137243][ T558] ? __kasan_check_write+0x14/0x20 [ 58.142425][ T558] ? _copy_from_iter+0x3fb/0xd60 [ 58.147372][ T558] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.153323][ T558] cgroup_file_write+0x28e/0x590 [ 58.158321][ T558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.163404][ T558] ? mutex_lock+0xa6/0x110 [ 58.167797][ T558] ? mutex_trylock+0xb0/0xb0 [ 58.172362][ T558] ? __kasan_check_write+0x14/0x20 [ 58.177445][ T558] kernfs_fop_write_iter+0x2d0/0x410 [ 58.182703][ T558] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.187807][ T558] vfs_write+0xc1c/0xf40 [ 58.192029][ T558] ? kernel_write+0x3c0/0x3c0 [ 58.196680][ T558] ? mutex_trylock+0xb0/0xb0 [ 58.201243][ T558] ? __fdget_pos+0x26d/0x310 [ 58.205815][ T558] ? ksys_write+0x77/0x2c0 [ 58.210215][ T558] ksys_write+0x198/0x2c0 [ 58.214520][ T558] ? __ia32_sys_read+0x90/0x90 [ 58.219441][ T558] ? debug_smp_processor_id+0x17/0x20 [ 58.225220][ T558] __x64_sys_write+0x7b/0x90 [ 58.229873][ T558] do_syscall_64+0x34/0x70 [ 58.234265][ T558] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.240217][ T558] RIP: 0033:0x7fd0ea2f70e9 [ 58.244697][ T558] 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 [ 58.264367][ T558] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.273731][ T558] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 58.281680][ T558] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.289635][ T558] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.297595][ T558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.305641][ T558] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 58.315627][ T558] cgroup: cgroup_addrm_files: failed to add events, err=-12 [ 58.362027][ T561] FAULT_INJECTION: forcing a failure. [ 58.362027][ T561] name failslab, interval 1, probability 0, space 0, times 0 [ 58.374776][ T561] CPU: 0 PID: 561 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 58.387420][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.397454][ T561] Call Trace: [ 58.400727][ T561] dump_stack_lvl+0x1e2/0x24b [ 58.405387][ T561] ? panic+0x7d7/0x7d7 [ 58.409437][ T561] ? bfq_pos_tree_add_move+0x43e/0x43e [ 58.414867][ T561] ? find_next_bit+0xd6/0x120 [ 58.419516][ T561] ? cpumask_next+0x11/0x30 [ 58.424011][ T561] dump_stack+0x15/0x17 [ 58.428149][ T561] should_fail+0x3c0/0x510 [ 58.432821][ T561] ? percpu_ref_init+0xd0/0x330 [ 58.437828][ T561] __should_failslab+0x9f/0xe0 [ 58.442566][ T561] should_failslab+0x9/0x20 [ 58.447045][ T561] kmem_cache_alloc_trace+0x3a/0x330 [ 58.452390][ T561] percpu_ref_init+0xd0/0x330 [ 58.457038][ T561] ? cgroup_setup_root+0xea0/0xea0 [ 58.462130][ T561] cgroup_apply_control_enable+0x3a2/0x12f0 [ 58.467997][ T561] cgroup_apply_control+0x93/0x710 [ 58.473087][ T561] ? css_next_child+0x160/0x160 [ 58.477912][ T561] ? release_task_stack+0x529/0x660 [ 58.483102][ T561] ? io_schedule+0x120/0x120 [ 58.487675][ T561] ? kernfs_fop_write_iter+0x15e/0x410 [ 58.493110][ T561] ? __kasan_check_write+0x14/0x20 [ 58.498200][ T561] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 58.503459][ T561] cgroup_subtree_control_write+0xd19/0x1310 [ 58.509762][ T561] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.515715][ T561] ? __kasan_check_write+0x14/0x20 [ 58.520904][ T561] ? _copy_from_iter+0x3fb/0xd60 [ 58.525828][ T561] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.531943][ T561] cgroup_file_write+0x28e/0x590 [ 58.536972][ T561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.542069][ T561] ? mutex_lock+0xa6/0x110 [ 58.546474][ T561] ? mutex_trylock+0xb0/0xb0 [ 58.551060][ T561] ? __kasan_check_write+0x14/0x20 [ 58.556257][ T561] kernfs_fop_write_iter+0x2d0/0x410 [ 58.561525][ T561] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.566617][ T561] vfs_write+0xc1c/0xf40 [ 58.570837][ T561] ? kernel_write+0x3c0/0x3c0 [ 58.575499][ T561] ? mutex_trylock+0xb0/0xb0 [ 58.580066][ T561] ? __fdget_pos+0x26d/0x310 [ 58.584639][ T561] ? ksys_write+0x77/0x2c0 [ 58.589029][ T561] ksys_write+0x198/0x2c0 [ 58.593333][ T561] ? __ia32_sys_read+0x90/0x90 [ 58.598074][ T561] ? debug_smp_processor_id+0x17/0x20 [ 58.603427][ T561] __x64_sys_write+0x7b/0x90 [ 58.607992][ T561] do_syscall_64+0x34/0x70 [ 58.612397][ T561] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.618268][ T561] RIP: 0033:0x7f9bcf45d0e9 [ 58.622666][ T561] 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 [ 58.643105][ T561] RSP: 002b:00007f9bcf3b2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.651608][ T561] RAX: ffffffffffffffda RBX: 00007f9bcf570030 RCX: 00007f9bcf45d0e9 [ 58.659563][ T561] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 58.667511][ T561] RBP: 00007f9bcf3b21d0 R08: 0000000000000000 R09: 0000000000000000 [ 58.675551][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 58.683497][ T561] R13: 00007ffc377ef5df R14: 00007f9bcf3b2300 R15: 0000000000022000 [ 58.741516][ T564] FAULT_INJECTION: forcing a failure. [ 58.741516][ T564] name failslab, interval 1, probability 0, space 0, times 0 [ 58.754393][ T564] CPU: 0 PID: 564 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 58.766813][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.777022][ T564] Call Trace: [ 58.780290][ T564] dump_stack_lvl+0x1e2/0x24b [ 58.784946][ T564] ? panic+0x7d7/0x7d7 [ 58.789039][ T564] ? bfq_pos_tree_add_move+0x43e/0x43e [ 58.794474][ T564] ? find_next_bit+0xd6/0x120 [ 58.799318][ T564] ? cpumask_next+0x11/0x30 [ 58.803802][ T564] dump_stack+0x15/0x17 [ 58.807939][ T564] should_fail+0x3c0/0x510 [ 58.812417][ T564] ? percpu_ref_init+0xd0/0x330 [ 58.817266][ T564] __should_failslab+0x9f/0xe0 [ 58.822093][ T564] should_failslab+0x9/0x20 [ 58.826571][ T564] kmem_cache_alloc_trace+0x3a/0x330 [ 58.831830][ T564] percpu_ref_init+0xd0/0x330 [ 58.836668][ T564] ? cgroup_setup_root+0xea0/0xea0 [ 58.841760][ T564] cgroup_apply_control_enable+0x3a2/0x12f0 [ 58.847636][ T564] cgroup_apply_control+0x93/0x710 [ 58.852724][ T564] ? css_next_child+0x160/0x160 [ 58.857549][ T564] ? io_schedule+0x120/0x120 [ 58.862114][ T564] ? kernfs_fop_write_iter+0x15e/0x410 [ 58.867547][ T564] ? __kasan_check_write+0x14/0x20 [ 58.872629][ T564] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 58.877906][ T564] cgroup_subtree_control_write+0xd19/0x1310 [ 58.883858][ T564] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.889809][ T564] ? __kasan_check_write+0x14/0x20 [ 58.894894][ T564] ? _copy_from_iter+0x3fb/0xd60 [ 58.899831][ T564] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 58.905873][ T564] cgroup_file_write+0x28e/0x590 [ 58.910793][ T564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.915906][ T564] ? mutex_lock+0xa6/0x110 [ 58.920935][ T564] ? mutex_trylock+0xb0/0xb0 [ 58.925690][ T564] ? __kasan_check_write+0x14/0x20 [ 58.930786][ T564] kernfs_fop_write_iter+0x2d0/0x410 [ 58.936048][ T564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 58.941153][ T564] vfs_write+0xc1c/0xf40 [ 58.945455][ T564] ? kernel_write+0x3c0/0x3c0 [ 58.950109][ T564] ? mutex_trylock+0xb0/0xb0 [ 58.954677][ T564] ? __fdget_pos+0x26d/0x310 [ 58.959245][ T564] ? ksys_write+0x77/0x2c0 [ 58.963636][ T564] ksys_write+0x198/0x2c0 [ 58.968461][ T564] ? __ia32_sys_read+0x90/0x90 [ 58.973203][ T564] ? debug_smp_processor_id+0x17/0x20 [ 58.978551][ T564] __x64_sys_write+0x7b/0x90 [ 58.983117][ T564] do_syscall_64+0x34/0x70 [ 58.987506][ T564] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.993372][ T564] RIP: 0033:0x7f92485190e9 [ 58.997767][ T564] 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 [ 59.017352][ T564] RSP: 002b:00007f924846e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.025740][ T564] RAX: ffffffffffffffda RBX: 00007f924862c030 RCX: 00007f92485190e9 [ 59.033693][ T564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.041642][ T564] RBP: 00007f924846e1d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.049589][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.057540][ T564] R13: 00007ffcfc0de0cf R14: 00007f924846e300 R15: 0000000000022000 [ 59.091390][ T568] FAULT_INJECTION: forcing a failure. [ 59.091390][ T568] name failslab, interval 1, probability 0, space 0, times 0 [ 59.104061][ T568] CPU: 0 PID: 568 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 59.116372][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.126529][ T568] Call Trace: [ 59.129810][ T568] dump_stack_lvl+0x1e2/0x24b [ 59.134570][ T568] ? bfq_pos_tree_add_move+0x43e/0x43e [ 59.140183][ T568] ? selinux_kernfs_init_security+0x1a8/0x760 [ 59.146232][ T568] dump_stack+0x15/0x17 [ 59.150371][ T568] should_fail+0x3c0/0x510 [ 59.154775][ T568] ? __kernfs_new_node+0x99/0x6e0 [ 59.159783][ T568] __should_failslab+0x9f/0xe0 [ 59.164533][ T568] should_failslab+0x9/0x20 [ 59.169109][ T568] __kmalloc_track_caller+0x5f/0x350 [ 59.174462][ T568] kstrdup_const+0x55/0x90 [ 59.178867][ T568] __kernfs_new_node+0x99/0x6e0 [ 59.183695][ T568] ? is_module_text_address+0xe1/0x140 [ 59.189305][ T568] ? kernfs_new_node+0x170/0x170 [ 59.194237][ T568] ? ptr_to_hashval+0x60/0x60 [ 59.198987][ T568] ? arch_stack_walk+0xf8/0x140 [ 59.203991][ T568] ? snprintf+0xd6/0x120 [ 59.208410][ T568] kernfs_new_node+0x97/0x170 [ 59.213148][ T568] __kernfs_create_file+0x4a/0x270 [ 59.218322][ T568] cgroup_addrm_files+0xab8/0xfe0 [ 59.223363][ T568] ? ____kasan_kmalloc+0xdc/0x110 [ 59.228548][ T568] ? __kasan_kmalloc+0x9/0x10 [ 59.233390][ T568] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 59.239002][ T568] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 59.245134][ T568] ? delete_node+0x759/0x7b0 [ 59.249698][ T568] ? __kasan_check_read+0x11/0x20 [ 59.254970][ T568] ? delete_node+0x759/0x7b0 [ 59.259668][ T568] ? __kasan_check_write+0x14/0x20 [ 59.264774][ T568] ? idr_replace+0x1c4/0x230 [ 59.269348][ T568] ? idr_get_next+0x4b0/0x4b0 [ 59.274005][ T568] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 59.279004][ T568] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 59.284891][ T568] css_populate_dir+0x137/0x370 [ 59.289834][ T568] cgroup_apply_control_enable+0x8b9/0x12f0 [ 59.295794][ T568] cgroup_apply_control+0x93/0x710 [ 59.300885][ T568] ? css_next_child+0x160/0x160 [ 59.305808][ T568] ? io_schedule+0x120/0x120 [ 59.310465][ T568] ? kernfs_fop_write_iter+0x15e/0x410 [ 59.315902][ T568] ? __kasan_check_write+0x14/0x20 [ 59.320988][ T568] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 59.326251][ T568] cgroup_subtree_control_write+0xd19/0x1310 [ 59.332207][ T568] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 59.338162][ T568] ? __kasan_check_write+0x14/0x20 [ 59.343421][ T568] ? _copy_from_iter+0x3fb/0xd60 [ 59.348335][ T568] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 59.354309][ T568] cgroup_file_write+0x28e/0x590 [ 59.359230][ T568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.364325][ T568] ? mutex_lock+0xa6/0x110 [ 59.368716][ T568] ? mutex_trylock+0xb0/0xb0 [ 59.373290][ T568] ? __kasan_check_write+0x14/0x20 [ 59.378389][ T568] kernfs_fop_write_iter+0x2d0/0x410 [ 59.383696][ T568] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.388804][ T568] vfs_write+0xc1c/0xf40 [ 59.393072][ T568] ? kernel_write+0x3c0/0x3c0 [ 59.398000][ T568] ? mutex_trylock+0xb0/0xb0 [ 59.402573][ T568] ? __fdget_pos+0x26d/0x310 [ 59.407148][ T568] ? ksys_write+0x77/0x2c0 [ 59.411547][ T568] ksys_write+0x198/0x2c0 [ 59.415886][ T568] ? __ia32_sys_read+0x90/0x90 [ 59.420630][ T568] ? debug_smp_processor_id+0x17/0x20 [ 59.426068][ T568] __x64_sys_write+0x7b/0x90 [ 59.430693][ T568] do_syscall_64+0x34/0x70 [ 59.435105][ T568] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.441080][ T568] RIP: 0033:0x7f99016a00e9 [ 59.445483][ T568] 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 [ 59.465065][ T568] RSP: 002b:00007f9901616168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.473452][ T568] RAX: ffffffffffffffda RBX: 00007f99017b2f60 RCX: 00007f99016a00e9 [ 59.481401][ T568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/05/20 19:30:47 executed programs: 53 [ 59.489348][ T568] RBP: 00007f99016161d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.497381][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.505431][ T568] R13: 00007fffc9e2fd2f R14: 00007f9901616300 R15: 0000000000022000 [ 59.514734][ T568] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 59.561525][ T543] FAULT_INJECTION: forcing a failure. [ 59.561525][ T543] name failslab, interval 1, probability 0, space 0, times 0 [ 59.574335][ T543] CPU: 1 PID: 543 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 59.586566][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.596718][ T543] Call Trace: [ 59.599992][ T543] dump_stack_lvl+0x1e2/0x24b [ 59.604652][ T543] ? bfq_pos_tree_add_move+0x43e/0x43e [ 59.611020][ T543] ? selinux_kernfs_init_security+0x1a8/0x760 [ 59.617087][ T543] dump_stack+0x15/0x17 [ 59.621477][ T543] should_fail+0x3c0/0x510 [ 59.625933][ T543] ? __kernfs_new_node+0x99/0x6e0 [ 59.631388][ T543] __should_failslab+0x9f/0xe0 [ 59.636229][ T543] should_failslab+0x9/0x20 [ 59.640945][ T543] __kmalloc_track_caller+0x5f/0x350 [ 59.646224][ T543] kstrdup_const+0x55/0x90 [ 59.650620][ T543] __kernfs_new_node+0x99/0x6e0 [ 59.655449][ T543] ? is_module_text_address+0xe1/0x140 [ 59.660910][ T543] ? kernfs_new_node+0x170/0x170 [ 59.665844][ T543] ? ptr_to_hashval+0x60/0x60 [ 59.670517][ T543] ? arch_stack_walk+0xf8/0x140 [ 59.675348][ T543] ? snprintf+0xd6/0x120 [ 59.679567][ T543] kernfs_new_node+0x97/0x170 [ 59.684226][ T543] __kernfs_create_file+0x4a/0x270 [ 59.689416][ T543] cgroup_addrm_files+0xab8/0xfe0 [ 59.694515][ T543] ? ____kasan_kmalloc+0xdc/0x110 [ 59.699511][ T543] ? __kasan_kmalloc+0x9/0x10 [ 59.704161][ T543] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 59.709681][ T543] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 59.715817][ T543] ? delete_node+0x759/0x7b0 [ 59.720494][ T543] ? __kasan_check_read+0x11/0x20 [ 59.725934][ T543] ? delete_node+0x759/0x7b0 [ 59.730509][ T543] ? __kasan_check_write+0x14/0x20 [ 59.735687][ T543] ? idr_replace+0x1c4/0x230 [ 59.740312][ T543] ? idr_get_next+0x4b0/0x4b0 [ 59.745152][ T543] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 59.750258][ T543] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 59.755528][ T543] css_populate_dir+0x137/0x370 [ 59.760442][ T543] cgroup_apply_control_enable+0x8b9/0x12f0 [ 59.766311][ T543] cgroup_apply_control+0x93/0x710 [ 59.771399][ T543] ? css_next_child+0x160/0x160 [ 59.776251][ T543] ? release_task_stack+0x4c2/0x660 [ 59.781436][ T543] ? io_schedule+0x120/0x120 [ 59.786001][ T543] ? kernfs_fop_write_iter+0x15e/0x410 [ 59.791533][ T543] ? __kasan_check_write+0x14/0x20 [ 59.796618][ T543] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 59.802056][ T543] cgroup_subtree_control_write+0xd19/0x1310 [ 59.808021][ T543] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 59.813975][ T543] ? __kasan_check_write+0x14/0x20 [ 59.819150][ T543] ? _copy_from_iter+0x3fb/0xd60 [ 59.824082][ T543] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 59.831669][ T543] cgroup_file_write+0x28e/0x590 [ 59.836766][ T543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.841850][ T543] ? mutex_lock+0xa6/0x110 [ 59.846239][ T543] ? mutex_trylock+0xb0/0xb0 [ 59.850890][ T543] ? __kasan_check_write+0x14/0x20 [ 59.856060][ T543] kernfs_fop_write_iter+0x2d0/0x410 [ 59.861430][ T543] ? cgroup_seqfile_stop+0xc0/0xc0 [ 59.867045][ T543] vfs_write+0xc1c/0xf40 [ 59.871262][ T543] ? kernel_write+0x3c0/0x3c0 [ 59.875932][ T543] ? mutex_trylock+0xb0/0xb0 [ 59.880526][ T543] ? __fdget_pos+0x26d/0x310 [ 59.885313][ T543] ? ksys_write+0x77/0x2c0 [ 59.889918][ T543] ksys_write+0x198/0x2c0 [ 59.894253][ T543] ? __ia32_sys_read+0x90/0x90 [ 59.898996][ T543] ? debug_smp_processor_id+0x17/0x20 [ 59.904432][ T543] __x64_sys_write+0x7b/0x90 [ 59.909179][ T543] do_syscall_64+0x34/0x70 [ 59.913573][ T543] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.919447][ T543] RIP: 0033:0x7f3c1573b0e9 [ 59.923849][ T543] 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 [ 59.943749][ T543] RSP: 002b:00007f3c15690168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.952535][ T543] RAX: ffffffffffffffda RBX: 00007f3c1584e030 RCX: 00007f3c1573b0e9 [ 59.960554][ T543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 59.968694][ T543] RBP: 00007f3c156901d0 R08: 0000000000000000 R09: 0000000000000000 [ 59.976777][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.984817][ T543] R13: 00007ffc1121e50f R14: 00007f3c15690300 R15: 0000000000022000 [ 59.993189][ T543] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 60.031345][ T572] FAULT_INJECTION: forcing a failure. [ 60.031345][ T572] name failslab, interval 1, probability 0, space 0, times 0 [ 60.044259][ T572] CPU: 1 PID: 572 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 60.056402][ T572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.066881][ T572] Call Trace: [ 60.070154][ T572] dump_stack_lvl+0x1e2/0x24b [ 60.074817][ T572] ? panic+0x7d7/0x7d7 [ 60.078866][ T572] ? bfq_pos_tree_add_move+0x43e/0x43e [ 60.084462][ T572] ? find_next_bit+0xd6/0x120 [ 60.089113][ T572] ? cpumask_next+0x11/0x30 [ 60.093969][ T572] dump_stack+0x15/0x17 [ 60.098110][ T572] should_fail+0x3c0/0x510 [ 60.102518][ T572] ? percpu_ref_init+0xd0/0x330 [ 60.107351][ T572] __should_failslab+0x9f/0xe0 [ 60.112288][ T572] should_failslab+0x9/0x20 [ 60.116770][ T572] kmem_cache_alloc_trace+0x3a/0x330 [ 60.122350][ T572] percpu_ref_init+0xd0/0x330 [ 60.127018][ T572] ? cgroup_setup_root+0xea0/0xea0 [ 60.132115][ T572] cgroup_apply_control_enable+0x3a2/0x12f0 [ 60.138112][ T572] cgroup_apply_control+0x93/0x710 [ 60.143207][ T572] ? css_next_child+0x160/0x160 [ 60.148044][ T572] ? io_schedule+0x120/0x120 [ 60.152607][ T572] ? kernfs_fop_write_iter+0x15e/0x410 [ 60.158046][ T572] ? __kasan_check_write+0x14/0x20 [ 60.163142][ T572] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 60.168446][ T572] cgroup_subtree_control_write+0xd19/0x1310 [ 60.174716][ T572] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 60.180890][ T572] ? __kasan_check_write+0x14/0x20 [ 60.186076][ T572] ? _copy_from_iter+0x3fb/0xd60 [ 60.194122][ T572] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 60.200167][ T572] cgroup_file_write+0x28e/0x590 [ 60.205191][ T572] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.210323][ T572] ? mutex_lock+0xa6/0x110 [ 60.214729][ T572] ? mutex_trylock+0xb0/0xb0 [ 60.219472][ T572] ? __kasan_check_write+0x14/0x20 [ 60.224559][ T572] kernfs_fop_write_iter+0x2d0/0x410 [ 60.229832][ T572] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.235015][ T572] vfs_write+0xc1c/0xf40 [ 60.239248][ T572] ? kernel_write+0x3c0/0x3c0 [ 60.243989][ T572] ? mutex_trylock+0xb0/0xb0 [ 60.248735][ T572] ? __fdget_pos+0x26d/0x310 [ 60.253300][ T572] ? ksys_write+0x77/0x2c0 [ 60.257691][ T572] ksys_write+0x198/0x2c0 [ 60.262001][ T572] ? __ia32_sys_read+0x90/0x90 [ 60.266739][ T572] ? debug_smp_processor_id+0x17/0x20 [ 60.272083][ T572] __x64_sys_write+0x7b/0x90 [ 60.276655][ T572] do_syscall_64+0x34/0x70 [ 60.281133][ T572] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.286996][ T572] RIP: 0033:0x7fd0ea2f70e9 [ 60.291479][ T572] 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 [ 60.311145][ T572] RSP: 002b:00007fd0ea24c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.319636][ T572] RAX: ffffffffffffffda RBX: 00007fd0ea40a030 RCX: 00007fd0ea2f70e9 [ 60.327583][ T572] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.335615][ T572] RBP: 00007fd0ea24c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.343683][ T572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.351646][ T572] R13: 00007ffcc42d1a7f R14: 00007fd0ea24c300 R15: 0000000000022000 [ 60.401574][ T569] FAULT_INJECTION: forcing a failure. [ 60.401574][ T569] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 60.414949][ T569] CPU: 0 PID: 569 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 60.427342][ T569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.437470][ T569] Call Trace: [ 60.440745][ T569] dump_stack_lvl+0x1e2/0x24b [ 60.445408][ T569] ? bfq_pos_tree_add_move+0x43e/0x43e [ 60.450873][ T569] ? stack_trace_save+0x12d/0x1f0 [ 60.455875][ T569] ? __kasan_check_write+0x14/0x20 [ 60.460967][ T569] dump_stack+0x15/0x17 [ 60.465199][ T569] should_fail+0x3c0/0x510 [ 60.469592][ T569] should_fail_alloc_page+0x50/0x60 [ 60.474957][ T569] __alloc_pages_nodemask+0x1c0/0x890 [ 60.480553][ T569] ? pcpu_block_update_hint_alloc+0x96c/0xd00 [ 60.486699][ T569] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 60.492330][ T569] ? pcpu_memcg_post_alloc_hook+0x1c8/0x340 [ 60.498198][ T569] ? trace_raw_output_percpu_destroy_chunk+0xc0/0xc0 [ 60.504851][ T569] allocate_slab+0x78/0x540 [ 60.509331][ T569] ___slab_alloc+0x131/0x2e0 [ 60.513914][ T569] ? percpu_ref_init+0xd0/0x330 [ 60.519015][ T569] __slab_alloc+0x63/0xa0 [ 60.523323][ T569] ? percpu_ref_init+0xd0/0x330 [ 60.528150][ T569] kmem_cache_alloc_trace+0x20e/0x330 [ 60.533605][ T569] ? percpu_ref_init+0xd0/0x330 [ 60.538527][ T569] percpu_ref_init+0xd0/0x330 [ 60.543535][ T569] ? cgroup_setup_root+0xea0/0xea0 [ 60.548627][ T569] cgroup_apply_control_enable+0x3a2/0x12f0 [ 60.554734][ T569] cgroup_apply_control+0x93/0x710 [ 60.559828][ T569] ? css_next_child+0x160/0x160 [ 60.565661][ T569] ? release_task_stack+0x529/0x660 [ 60.570926][ T569] ? io_schedule+0x120/0x120 [ 60.575627][ T569] ? kernfs_fop_write_iter+0x15e/0x410 [ 60.581065][ T569] ? __kasan_check_write+0x14/0x20 [ 60.586153][ T569] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 60.591677][ T569] cgroup_subtree_control_write+0xd19/0x1310 [ 60.597731][ T569] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 60.603795][ T569] ? __kasan_check_write+0x14/0x20 [ 60.608894][ T569] ? _copy_from_iter+0x3fb/0xd60 [ 60.613914][ T569] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 60.619877][ T569] cgroup_file_write+0x28e/0x590 [ 60.624887][ T569] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.629997][ T569] ? mutex_lock+0xa6/0x110 [ 60.634397][ T569] ? mutex_trylock+0xb0/0xb0 [ 60.638975][ T569] ? __kasan_check_write+0x14/0x20 [ 60.644064][ T569] kernfs_fop_write_iter+0x2d0/0x410 [ 60.649428][ T569] ? cgroup_seqfile_stop+0xc0/0xc0 [ 60.654534][ T569] vfs_write+0xc1c/0xf40 [ 60.658858][ T569] ? kernel_write+0x3c0/0x3c0 [ 60.663617][ T569] ? mutex_trylock+0xb0/0xb0 [ 60.668629][ T569] ? __fdget_pos+0x26d/0x310 [ 60.673200][ T569] ? ksys_write+0x77/0x2c0 [ 60.677724][ T569] ksys_write+0x198/0x2c0 [ 60.682034][ T569] ? __ia32_sys_read+0x90/0x90 [ 60.686776][ T569] ? debug_smp_processor_id+0x17/0x20 [ 60.692218][ T569] __x64_sys_write+0x7b/0x90 [ 60.696897][ T569] do_syscall_64+0x34/0x70 [ 60.701291][ T569] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.707424][ T569] RIP: 0033:0x7f70e3a4d0e9 [ 60.711833][ 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 [ 60.731707][ T569] RSP: 002b:00007f70e39a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.740347][ T569] RAX: ffffffffffffffda RBX: 00007f70e3b60030 RCX: 00007f70e3a4d0e9 [ 60.748302][ T569] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 60.756354][ T569] RBP: 00007f70e39a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 60.764650][ T569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 60.773065][ T569] R13: 00007ffeec94d2cf R14: 00007f70e39a2300 R15: 0000000000022000 [ 60.791220][ T411] ------------[ cut here ]------------ [ 60.796742][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 60.805791][ T411] Modules linked in: [ 60.809692][ T411] CPU: 0 PID: 411 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 60.822037][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.832241][ T411] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 60.837878][ T411] Code: 48 c7 c2 00 04 04 86 e8 64 e3 8e ff e9 8b fc ff ff e8 2a 20 b6 ff e9 81 fc ff ff e8 20 20 b6 ff e9 77 fc ff ff e8 16 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 0a 20 b6 ff e8 55 ab a2 ff e9 ea fc ff ff [ 60.858013][ T411] RSP: 0018:ffffc90000ee7ba0 EFLAGS: 00010293 [ 60.864343][ T411] RAX: ffffffff81b6923a RBX: 00000000ffffffff RCX: ffff888103fb4f00 [ 60.872742][ T411] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 60.880718][ T411] RBP: ffffc90000ee7c70 R08: ffffffff81b68f28 R09: 0000000000000003 [ 60.888834][ T411] R10: fffff520001dcf65 R11: 1ffff920001dcf64 R12: dffffc0000000000 [ 60.896900][ T411] R13: ffff888111c748c0 R14: ffffc90000ee7c00 R15: 1ffff920001dcf7c [ 60.904953][ T411] FS: 0000555555edb400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 60.913971][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.920624][ T411] CR2: 00007fd0ea24bff8 CR3: 000000010b7df000 CR4: 00000000003506b0 [ 60.928606][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.936747][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.944754][ T411] Call Trace: [ 60.948027][ T411] ? io_schedule+0x120/0x120 [ 60.952629][ T411] ? vfs_submount+0xb0/0xb0 [ 60.957112][ T411] ? shrink_dentry_list+0x4ec/0x500 [ 60.962430][ T411] namespace_unlock+0x448/0x4f0 [ 60.967658][ T411] ? umount_tree+0xf50/0xf50 [ 60.972259][ T411] ? __detach_mounts+0x670/0x670 [ 60.977185][ T411] ? selinux_umount+0xf0/0x130 [ 60.981949][ T411] path_umount+0xf03/0xfb0 [ 60.986441][ T411] ? namespace_unlock+0x4f0/0x4f0 [ 60.991549][ T411] ? user_path_at_empty+0x40/0x50 [ 60.996564][ T411] __x64_sys_umount+0x122/0x170 [ 61.001419][ T411] ? path_umount+0xfb0/0xfb0 [ 61.005990][ T411] ? debug_smp_processor_id+0x17/0x20 [ 61.011363][ T411] do_syscall_64+0x34/0x70 [ 61.015985][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.021961][ T411] RIP: 0033:0x7f9bcf45e557 [ 61.026989][ T411] 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 [ 61.046868][ T411] RSP: 002b:00007ffc377ee738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 61.055994][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9bcf45e557 [ 61.063965][ T411] RDX: 00007ffc377ee809 RSI: 000000000000000a RDI: 00007ffc377ee800 [ 61.072371][ T411] RBP: 00007ffc377ee800 R08: 00000000ffffffff R09: 00007ffc377ee5d0 [ 61.080330][ T411] R10: 0000555555edcba3 R11: 0000000000000246 R12: 00007f9bcf4b61f8 [ 61.088407][ T411] R13: 00007ffc377ef8c0 R14: 0000555555edcb00 R15: 00007ffc377ef900 [ 61.096810][ T411] ---[ end trace 1349929cea973396 ]--- [ 61.102885][ T411] ------------[ cut here ]------------ [ 61.108448][ T411] WARNING: CPU: 0 PID: 411 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 61.117504][ T411] Modules linked in: [ 61.121585][ T411] CPU: 0 PID: 411 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 61.134007][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.144166][ T411] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 61.149780][ T411] Code: 48 c7 c2 00 04 04 86 e8 64 e3 8e ff e9 8b fc ff ff e8 2a 20 b6 ff e9 81 fc ff ff e8 20 20 b6 ff e9 77 fc ff ff e8 16 20 b6 ff <0f> 0b e9 f4 fc ff ff e8 0a 20 b6 ff e8 55 ab a2 ff e9 ea fc ff ff [ 61.169867][ T411] RSP: 0018:ffffc90000ee7ca0 EFLAGS: 00010293 [ 61.176043][ T411] RAX: ffffffff81b6923a RBX: 00000000fffffffe RCX: ffff888103fb4f00 [ 61.184206][ T411] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 61.192194][ T411] RBP: ffffc90000ee7d70 R08: ffffffff81b68f28 R09: 0000000000000003 [ 61.200162][ T411] R10: fffff520001dcf85 R11: 1ffff920001dcf84 R12: dffffc0000000000 [ 61.208451][ T411] R13: ffff888111c748c0 R14: ffffc90000ee7d00 R15: 1ffff920001dcf9c [ 61.216438][ T411] FS: 0000555555edb400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 61.225649][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.232238][ T411] CR2: 00007fd0ea24bff8 CR3: 000000010b7df000 CR4: 00000000003506b0 [ 61.240288][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.248374][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.256369][ T411] Call Trace: [ 61.259646][ T411] ? lockref_get_or_lock+0x340/0x340 [ 61.264952][ T411] ? umount_tree+0xf50/0xf50 [ 61.270073][ T411] ? vfs_submount+0xb0/0xb0 [ 61.274734][ T411] ? dput+0x2b6/0x320 [ 61.278716][ T411] path_umount+0x1fe/0xfb0 [ 61.283130][ T411] ? namespace_unlock+0x4f0/0x4f0 [ 61.288136][ T411] ? user_path_at_empty+0x40/0x50 [ 61.293163][ T411] __x64_sys_umount+0x122/0x170 [ 61.298018][ T411] ? path_umount+0xfb0/0xfb0 [ 61.302719][ T411] ? debug_smp_processor_id+0x17/0x20 [ 61.308164][ T411] do_syscall_64+0x34/0x70 [ 61.312616][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.319047][ T411] RIP: 0033:0x7f9bcf45e557 [ 61.323610][ T411] 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 [ 61.343324][ T411] RSP: 002b:00007ffc377ee738 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 61.351746][ T411] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9bcf45e557 [ 61.359712][ T411] RDX: 00007ffc377ee809 RSI: 000000000000000a RDI: 00007ffc377ee800 [ 61.367996][ T411] RBP: 00007ffc377ee800 R08: 00000000ffffffff R09: 00007ffc377ee5d0 [ 61.376088][ T411] R10: 0000555555edcba3 R11: 0000000000000246 R12: 00007f9bcf4b61f8 [ 61.384355][ T411] R13: 00007ffc377ef8c0 R14: 0000555555edcb00 R15: 00007ffc377ef900 [ 61.392556][ T411] ---[ end trace 1349929cea973397 ]--- [ 61.403824][ C1] list_add corruption. prev->next should be next (ffff8881f735c060), but was ffff88811419a070. (prev=ffff88811419a070). [ 61.416746][ C1] ------------[ cut here ]------------ [ 61.422196][ C1] kernel BUG at lib/list_debug.c:28! [ 61.427473][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 61.433703][ C1] CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 61.445575][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.455901][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 61.461440][ C1] Code: 48 c7 c7 c0 da 43 85 4c 89 e6 4c 89 f1 31 c0 e8 ad 2b 40 02 0f 0b 48 c7 c7 80 db 43 85 4c 89 f6 4c 89 e1 31 c0 e8 97 2b 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 61.481418][ C1] RSP: 0018:ffffc900001377e0 EFLAGS: 00010046 [ 61.487592][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 4f5a6c4a03739f00 [ 61.495676][ C1] RDX: 0000000080000101 RSI: 0000000080000101 RDI: 0000000000000000 [ 61.503674][ C1] RBP: ffffc90000137808 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 61.511709][ C1] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffff88811419a070 [ 61.519888][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff88811419a070 [ 61.528030][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 61.537024][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.543961][ C1] CR2: 00007f70e3ad3e69 CR3: 0000000113651000 CR4: 00000000003506a0 [ 61.552000][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.560151][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.568380][ C1] Call Trace: [ 61.571655][ C1] insert_work+0x107/0x330 [ 61.576052][ C1] __queue_work+0x971/0xd30 [ 61.580528][ C1] queue_work_on+0xf2/0x150 [ 61.585006][ C1] ? wq_worker_last_func+0x50/0x50 [ 61.590092][ C1] ? __alloc_reserved_percpu+0x30/0x30 [ 61.595529][ C1] css_release+0xae/0xc0 [ 61.599768][ C1] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 61.605916][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 61.612054][ C1] rcu_do_batch+0x59e/0xc40 [ 61.616665][ C1] ? local_bh_enable+0x20/0x20 [ 61.621538][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 61.627188][ C1] ? rcu_report_qs_rnp+0x2e0/0x3b0 [ 61.632291][ C1] rcu_core+0x59b/0xe30 [ 61.636524][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 61.645356][ C1] ? __this_cpu_preempt_check+0x13/0x20 [ 61.650888][ C1] ? rcu_softirq_qs+0xd8/0x1f0 [ 61.655720][ C1] ? rcu_get_gp_kthreads_prio+0x10/0x10 [ 61.661360][ C1] ? irqtime_account_irq+0x76/0x270 [ 61.666721][ C1] rcu_core_si+0x9/0x10 [ 61.670873][ C1] __do_softirq+0x27e/0x596 [ 61.675568][ C1] ? ksoftirqd_should_run+0x20/0x20 [ 61.680764][ C1] run_ksoftirqd+0x23/0x30 [ 61.685160][ C1] smpboot_thread_fn+0x551/0x930 [ 61.690082][ C1] ? release_firmware_map_entry+0x195/0x195 [ 61.695971][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 61.700981][ C1] ? schedule+0x162/0x1e0 [ 61.705454][ C1] ? __kasan_check_read+0x11/0x20 [ 61.710472][ C1] ? __kthread_parkme+0x194/0x1d0 [ 61.715483][ C1] kthread+0x349/0x3d0 [ 61.719636][ C1] ? cpu_report_death+0x1a0/0x1a0 [ 61.724753][ C1] ? kthread_blkcg+0xd0/0xd0 [ 61.729327][ C1] ret_from_fork+0x1f/0x30 [ 61.733823][ C1] Modules linked in: [ 61.737816][ C1] ---[ end trace 1349929cea973398 ]--- [ 61.743359][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 61.748886][ C1] Code: 48 c7 c7 c0 da 43 85 4c 89 e6 4c 89 f1 31 c0 e8 ad 2b 40 02 0f 0b 48 c7 c7 80 db 43 85 4c 89 f6 4c 89 e1 31 c0 e8 97 2b 40 02 <0f> 0b 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 49 [ 61.768470][ C1] RSP: 0018:ffffc900001377e0 EFLAGS: 00010046 [ 61.774520][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 4f5a6c4a03739f00 [ 61.782468][ C1] RDX: 0000000080000101 RSI: 0000000080000101 RDI: 0000000000000000 [ 61.790432][ C1] RBP: ffffc90000137808 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 61.798661][ C1] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffff88811419a070 [ 61.806646][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff88811419a070 [ 61.814642][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 61.823609][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.830166][ C1] CR2: 00007f70e3ad3e69 CR3: 0000000113651000 CR4: 00000000003506a0 [ 61.838206][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.846154][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.854190][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 61.861855][ C1] Kernel Offset: disabled [ 61.866189][ C1] Rebooting in 86400 seconds..