Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. 2022/06/08 02:00:06 parsed 1 programs [ 37.530639][ T23] audit: type=1400 audit(1654653606.870:148): avc: denied { mounton } for pid=413 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 [ 37.539221][ T413] cgroup: Unknown subsys name 'net' [ 37.561813][ T413] cgroup: Unknown subsys name 'devices' [ 37.568400][ T413] cgroup: Unknown subsys name 'hugetlb' [ 37.575123][ T413] cgroup: Unknown subsys name 'rlimit' 2022/06/08 02:00:06 executed programs: 0 [ 37.581479][ T23] audit: type=1400 audit(1654653606.920:149): avc: denied { mounton } for pid=413 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 [ 37.621282][ T23] audit: type=1400 audit(1654653606.920:150): avc: denied { mount } for pid=413 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 [ 37.625791][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.670570][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.679935][ T23] audit: type=1400 audit(1654653606.940:151): avc: denied { mounton } for pid=417 comm="syz-executor.2" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.686817][ T417] device bridge_slave_0 entered promiscuous mode [ 37.705175][ T23] audit: type=1400 audit(1654653606.940:152): avc: denied { module_request } for pid=417 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.712244][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.740977][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.748461][ T417] device bridge_slave_1 entered promiscuous mode [ 37.853975][ T429] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.861917][ T429] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.870132][ T429] device bridge_slave_0 entered promiscuous mode [ 37.882240][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.889436][ T431] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.896956][ T431] device bridge_slave_0 entered promiscuous mode [ 37.905726][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.913027][ T431] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.920564][ T431] device bridge_slave_1 entered promiscuous mode [ 37.928358][ T429] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.935744][ T429] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.943472][ T429] device bridge_slave_1 entered promiscuous mode [ 37.968079][ T430] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.975347][ T430] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.983418][ T430] device bridge_slave_0 entered promiscuous mode [ 38.001450][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.009444][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.017208][ T424] device bridge_slave_0 entered promiscuous mode [ 38.024936][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.032271][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.040556][ T424] device bridge_slave_1 entered promiscuous mode [ 38.048140][ T430] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.056875][ T430] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.064952][ T430] device bridge_slave_1 entered promiscuous mode [ 38.097720][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.106049][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.114221][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.121426][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.140006][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.147101][ T427] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.154586][ T427] device bridge_slave_0 entered promiscuous mode [ 38.174943][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.182609][ T431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.190225][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.197598][ T431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.205813][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.213848][ T427] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.221919][ T427] device bridge_slave_1 entered promiscuous mode [ 38.290842][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.299222][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.307904][ T394] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.315755][ T394] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.324491][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.332458][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.353820][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.362110][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.391517][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.401045][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.410341][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.417947][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.427530][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.436021][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.444699][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.453475][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.461318][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.469934][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.477135][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.484928][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.493410][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.500701][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.508546][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.516633][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.540342][ T23] audit: type=1400 audit(1654653607.880:153): avc: denied { mount } for pid=417 comm="syz-executor.2" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.572736][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.579735][ T23] audit: type=1400 audit(1654653607.910:154): avc: denied { mounton } for pid=447 comm="syz-executor.2" path="/root/syzkaller-testdir367623278/syzkaller.2QgAZB/0/file0" dev="sda1" ino=1158 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.608945][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.616953][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.625842][ T449] FAULT_INJECTION: forcing a failure. [ 38.625842][ T449] name failslab, interval 1, probability 0, space 0, times 1 [ 38.625884][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.639143][ T449] CPU: 0 PID: 449 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 38.648109][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.659127][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.659132][ T449] Call Trace: [ 38.659147][ T449] dump_stack_lvl+0x1e2/0x24b [ 38.659156][ T449] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.659164][ T449] dump_stack+0x15/0x17 [ 38.659172][ T449] should_fail+0x3c0/0x510 [ 38.659182][ T449] ? allocate_cgrp_cset_links+0xb3/0x270 [ 38.659191][ T449] __should_failslab+0x9f/0xe0 [ 38.659200][ T449] should_failslab+0x9/0x20 [ 38.659208][ T449] kmem_cache_alloc_trace+0x3a/0x330 [ 38.659217][ T449] allocate_cgrp_cset_links+0xb3/0x270 [ 38.659225][ T449] find_css_set+0xb13/0x1db0 [ 38.659233][ T449] ? _raw_spin_unlock_irq+0x4e/0x70 [ 38.659243][ T449] ? rcu_sync_enter_start+0x70/0x70 [ 38.659251][ T449] ? idr_replace+0x1c4/0x230 [ 38.659260][ T449] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 38.659267][ T449] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 38.659276][ T449] ? refcount_dec_if_one+0x130/0x130 [ 38.659282][ T449] ? cpumask_next+0x23/0x30 [ 38.659290][ T449] ? percpu_down_write+0x226/0x380 [ 38.659299][ T449] cgroup_migrate_prepare_dst+0xd1/0x950 [ 38.659308][ T449] cgroup_apply_control+0x54e/0x710 [ 38.659322][ T449] ? css_next_child+0x160/0x160 [ 38.667951][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.678204][ T449] ? __kasan_check_write+0x14/0x20 [ 38.678213][ T449] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 38.678222][ T449] cgroup_subtree_control_write+0xd19/0x1310 [ 38.678230][ T449] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 38.678238][ T449] ? __kasan_check_write+0x14/0x20 [ 38.678247][ T449] ? _copy_from_iter+0x3fb/0xd60 [ 38.678254][ T449] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 38.678261][ T449] cgroup_file_write+0x28e/0x590 [ 38.678268][ T449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.678276][ T449] ? mutex_lock+0xa6/0x110 [ 38.678283][ T449] ? mutex_trylock+0xb0/0xb0 [ 38.678292][ T449] ? __kasan_check_write+0x14/0x20 [ 38.678301][ T449] kernfs_fop_write_iter+0x2d0/0x410 [ 38.678308][ T449] ? cgroup_seqfile_stop+0xc0/0xc0 [ 38.678317][ T449] vfs_write+0xc1c/0xf40 [ 38.678326][ T449] ? kernel_write+0x3c0/0x3c0 [ 38.678334][ T449] ? mutex_trylock+0xb0/0xb0 [ 38.678344][ T449] ? __fdget_pos+0x26d/0x310 [ 38.678351][ T449] ? ksys_write+0x77/0x2c0 [ 38.678359][ T449] ksys_write+0x198/0x2c0 [ 38.678367][ T449] ? __ia32_sys_read+0x90/0x90 [ 38.678375][ T449] ? debug_smp_processor_id+0x17/0x20 [ 38.678383][ T449] __x64_sys_write+0x7b/0x90 [ 38.678391][ T449] do_syscall_64+0x34/0x70 [ 38.678398][ T449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.678411][ T449] RIP: 0033:0x7f9c266c00e9 [ 38.682616][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.687211][ T449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.687217][ T449] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.695880][ T23] audit: type=1400 audit(1654653608.030:155): 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 [ 38.696821][ T449] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 38.696826][ T449] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.696837][ T449] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.701477][ T23] audit: type=1400 audit(1654653608.030:156): 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 [ 38.707097][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.707103][ T449] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 39.058414][ T23] audit: type=1400 audit(1654653608.030:157): 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 [ 39.085329][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.088799][ T451] FAULT_INJECTION: forcing a failure. [ 39.088799][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 39.094045][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.106484][ T451] CPU: 0 PID: 451 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 39.115089][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.125254][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.125258][ T451] Call Trace: [ 39.125275][ T451] dump_stack_lvl+0x1e2/0x24b [ 39.125283][ T451] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.125292][ T451] dump_stack+0x15/0x17 [ 39.125300][ T451] should_fail+0x3c0/0x510 [ 39.125310][ T451] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.125320][ T451] __should_failslab+0x9f/0xe0 [ 39.125328][ T451] should_failslab+0x9/0x20 [ 39.125337][ T451] kmem_cache_alloc_trace+0x3a/0x330 [ 39.125345][ T451] allocate_cgrp_cset_links+0xb3/0x270 [ 39.125359][ T451] find_css_set+0xb13/0x1db0 [ 39.133886][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.143716][ T451] ? _raw_spin_unlock_irq+0x4e/0x70 [ 39.143725][ T451] ? rcu_sync_enter_start+0x70/0x70 [ 39.143733][ T451] ? idr_replace+0x1c4/0x230 [ 39.143742][ T451] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 39.143748][ T451] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 39.143757][ T451] ? refcount_dec_if_one+0x130/0x130 [ 39.143770][ T451] ? cpumask_next+0x23/0x30 [ 39.147837][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.152204][ T451] ? percpu_down_write+0x226/0x380 [ 39.152214][ T451] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.152224][ T451] cgroup_apply_control+0x54e/0x710 [ 39.152231][ T451] ? css_next_child+0x160/0x160 [ 39.152245][ T451] ? __kasan_check_write+0x14/0x20 [ 39.158474][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.161986][ T451] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.162003][ T451] cgroup_subtree_control_write+0xd19/0x1310 [ 39.166523][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.172091][ T451] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.172100][ T451] ? __kasan_check_write+0x14/0x20 [ 39.172113][ T451] ? _copy_from_iter+0x3fb/0xd60 [ 39.176932][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.181539][ T451] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.181548][ T451] cgroup_file_write+0x28e/0x590 [ 39.181557][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.181575][ T451] ? mutex_lock+0xa6/0x110 [ 39.187202][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.192366][ T451] ? mutex_trylock+0xb0/0xb0 [ 39.192375][ T451] ? __kasan_check_write+0x14/0x20 [ 39.192383][ T451] kernfs_fop_write_iter+0x2d0/0x410 [ 39.192392][ T451] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.192401][ T451] vfs_write+0xc1c/0xf40 [ 39.192411][ T451] ? kernel_write+0x3c0/0x3c0 [ 39.192421][ T451] ? mutex_trylock+0xb0/0xb0 [ 39.192430][ T451] ? __fdget_pos+0x26d/0x310 [ 39.192443][ T451] ? ksys_write+0x77/0x2c0 [ 39.197940][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.205683][ T451] ksys_write+0x198/0x2c0 [ 39.205691][ T451] ? sched_clock+0x3a/0x40 [ 39.205699][ T451] ? __ia32_sys_read+0x90/0x90 [ 39.205707][ T451] ? debug_smp_processor_id+0x17/0x20 [ 39.205720][ T451] __x64_sys_write+0x7b/0x90 [ 39.210987][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.216248][ T451] do_syscall_64+0x34/0x70 [ 39.220956][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.226669][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.226682][ T451] RIP: 0033:0x7f9c266c00e9 [ 39.232079][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.237496][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.237502][ T451] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.237515][ T451] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 39.237530][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.242733][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.250558][ T451] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.250564][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.250570][ T451] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 39.553168][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.560314][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.567911][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.570173][ T453] FAULT_INJECTION: forcing a failure. [ 39.570173][ T453] name failslab, interval 1, probability 0, space 0, times 0 [ 39.576697][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.589600][ T453] CPU: 0 PID: 453 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 39.596623][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.607627][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.607632][ T453] Call Trace: [ 39.607650][ T453] dump_stack_lvl+0x1e2/0x24b [ 39.607659][ T453] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.607667][ T453] dump_stack+0x15/0x17 [ 39.607674][ T453] should_fail+0x3c0/0x510 [ 39.607693][ T453] ? allocate_cgrp_cset_links+0xb3/0x270 [ 39.615830][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.626384][ T453] __should_failslab+0x9f/0xe0 [ 39.626394][ T453] should_failslab+0x9/0x20 [ 39.626402][ T453] kmem_cache_alloc_trace+0x3a/0x330 [ 39.626417][ T453] allocate_cgrp_cset_links+0xb3/0x270 [ 39.630027][ T394] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.635398][ T453] find_css_set+0xb13/0x1db0 [ 39.697188][ T453] ? _raw_spin_unlock_irq+0x4e/0x70 [ 39.702455][ T453] ? rcu_sync_enter_start+0x70/0x70 [ 39.707632][ T453] ? idr_replace+0x1c4/0x230 [ 39.712191][ T453] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 39.718051][ T453] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 39.723309][ T453] ? refcount_dec_if_one+0x130/0x130 [ 39.728578][ T453] ? cpumask_next+0x23/0x30 [ 39.733145][ T453] ? percpu_down_write+0x226/0x380 [ 39.738232][ T453] cgroup_migrate_prepare_dst+0xd1/0x950 [ 39.743926][ T453] cgroup_apply_control+0x54e/0x710 [ 39.749293][ T453] ? css_next_child+0x160/0x160 [ 39.754375][ T453] ? __kasan_check_write+0x14/0x20 [ 39.759455][ T453] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 39.765058][ T453] cgroup_subtree_control_write+0xd19/0x1310 [ 39.771265][ T453] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.777889][ T453] ? __kasan_check_write+0x14/0x20 [ 39.783137][ T453] ? _copy_from_iter+0x3fb/0xd60 [ 39.788242][ T453] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 39.794560][ T453] cgroup_file_write+0x28e/0x590 [ 39.799663][ T453] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.804843][ T453] ? mutex_lock+0xa6/0x110 [ 39.809336][ T453] ? mutex_trylock+0xb0/0xb0 [ 39.813993][ T453] ? __kasan_check_write+0x14/0x20 [ 39.819106][ T453] kernfs_fop_write_iter+0x2d0/0x410 [ 39.824549][ T453] ? cgroup_seqfile_stop+0xc0/0xc0 [ 39.829893][ T453] vfs_write+0xc1c/0xf40 [ 39.834288][ T453] ? kernel_write+0x3c0/0x3c0 [ 39.839294][ T453] ? mutex_trylock+0xb0/0xb0 [ 39.843941][ T453] ? __fdget_pos+0x26d/0x310 [ 39.848515][ T453] ? ksys_write+0x77/0x2c0 [ 39.852988][ T453] ksys_write+0x198/0x2c0 [ 39.857460][ T453] ? __ia32_sys_read+0x90/0x90 [ 39.862371][ T453] ? debug_smp_processor_id+0x17/0x20 [ 39.868116][ T453] __x64_sys_write+0x7b/0x90 [ 39.873087][ T453] do_syscall_64+0x34/0x70 [ 39.877663][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.884336][ T453] RIP: 0033:0x7f9c266c00e9 [ 39.888939][ 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 [ 39.909137][ T453] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.917829][ T453] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 39.926469][ T453] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 39.934522][ T453] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.942657][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.951556][ T453] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 39.961257][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.985322][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.993582][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.994704][ T456] FAULT_INJECTION: forcing a failure. [ 39.994704][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 40.005296][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.015389][ T456] CPU: 1 PID: 456 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 40.023512][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.033978][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.033983][ T456] Call Trace: [ 40.034001][ T456] dump_stack_lvl+0x1e2/0x24b [ 40.034009][ T456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.034017][ T456] dump_stack+0x15/0x17 [ 40.034024][ T456] should_fail+0x3c0/0x510 [ 40.034034][ T456] ? allocate_cgrp_cset_links+0xb3/0x270 [ 40.034043][ T456] __should_failslab+0x9f/0xe0 [ 40.034052][ T456] should_failslab+0x9/0x20 [ 40.034060][ T456] kmem_cache_alloc_trace+0x3a/0x330 [ 40.034069][ T456] allocate_cgrp_cset_links+0xb3/0x270 [ 40.034077][ T456] find_css_set+0xb13/0x1db0 [ 40.034086][ T456] ? _raw_spin_unlock_irq+0x4e/0x70 [ 40.034095][ T456] ? rcu_sync_enter_start+0x70/0x70 [ 40.034102][ T456] ? idr_replace+0x1c4/0x230 [ 40.034111][ T456] ? cgroup_migrate_prepare_dst+0x950/0x950 [ 40.034117][ T456] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.034126][ T456] ? refcount_dec_if_one+0x130/0x130 [ 40.034142][ T456] ? cpumask_next+0x23/0x30 [ 40.043363][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.052374][ T456] ? percpu_down_write+0x226/0x380 [ 40.052385][ T456] cgroup_migrate_prepare_dst+0xd1/0x950 [ 40.052394][ T456] cgroup_apply_control+0x54e/0x710 [ 40.052402][ T456] ? css_next_child+0x160/0x160 [ 40.052412][ T456] ? __kasan_check_write+0x14/0x20 [ 40.052420][ T456] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.052429][ T456] cgroup_subtree_control_write+0xd19/0x1310 [ 40.052437][ T456] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.052445][ T456] ? __kasan_check_write+0x14/0x20 [ 40.052453][ T456] ? _copy_from_iter+0x3fb/0xd60 [ 40.052461][ T456] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.052468][ T456] cgroup_file_write+0x28e/0x590 [ 40.052475][ T456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.052492][ T456] ? mutex_lock+0xa6/0x110 [ 40.056700][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.060510][ T456] ? mutex_trylock+0xb0/0xb0 [ 40.060524][ T456] ? __kasan_check_write+0x14/0x20 [ 40.060534][ T456] kernfs_fop_write_iter+0x2d0/0x410 [ 40.060542][ T456] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.060550][ T456] vfs_write+0xc1c/0xf40 [ 40.060559][ T456] ? kernel_write+0x3c0/0x3c0 [ 40.060567][ T456] ? mutex_trylock+0xb0/0xb0 [ 40.060576][ T456] ? __fdget_pos+0x26d/0x310 [ 40.060582][ T456] ? ksys_write+0x77/0x2c0 [ 40.060589][ T456] ksys_write+0x198/0x2c0 [ 40.060603][ T456] ? __ia32_sys_read+0x90/0x90 [ 40.066801][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.076431][ T456] ? debug_smp_processor_id+0x17/0x20 [ 40.076440][ T456] __x64_sys_write+0x7b/0x90 [ 40.076450][ T456] do_syscall_64+0x34/0x70 [ 40.076464][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.081785][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.086995][ T456] RIP: 0033:0x7f9c266c00e9 [ 40.342428][ T456] 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 [ 40.363434][ T456] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.372325][ T456] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 40.382609][ T456] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.391222][ T456] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.399278][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.407731][ T456] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 40.446846][ T461] FAULT_INJECTION: forcing a failure. [ 40.446846][ T461] name failslab, interval 1, probability 0, space 0, times 0 [ 40.461715][ T461] CPU: 0 PID: 461 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 40.472058][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.472988][ T461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.481087][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.491342][ T461] Call Trace: [ 40.491364][ T461] dump_stack_lvl+0x1e2/0x24b [ 40.491371][ T461] ? panic+0x7d7/0x7d7 [ 40.491379][ T461] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.491387][ T461] ? selinux_kernfs_init_security+0x1a8/0x760 [ 40.491395][ T461] dump_stack+0x15/0x17 [ 40.491413][ T461] should_fail+0x3c0/0x510 [ 40.499121][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.502231][ T461] __should_failslab+0x9f/0xe0 [ 40.502239][ T461] should_failslab+0x9/0x20 [ 40.502255][ T461] kmem_cache_alloc+0x3f/0x300 [ 40.508239][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.511998][ T461] ? __kernfs_new_node+0xdb/0x6e0 [ 40.512006][ T461] __kernfs_new_node+0xdb/0x6e0 [ 40.512014][ T461] ? is_module_text_address+0xe1/0x140 [ 40.512029][ T461] ? kernfs_new_node+0x170/0x170 [ 40.517873][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.523693][ T461] ? ptr_to_hashval+0x60/0x60 [ 40.523702][ T461] ? arch_stack_walk+0xf8/0x140 [ 40.523709][ T461] ? snprintf+0xd6/0x120 [ 40.523724][ T461] kernfs_new_node+0x97/0x170 [ 40.528295][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.532523][ T461] __kernfs_create_file+0x4a/0x270 [ 40.532532][ T461] cgroup_addrm_files+0xab8/0xfe0 [ 40.532540][ T461] ? ____kasan_kmalloc+0xdc/0x110 [ 40.532552][ T461] ? __kasan_kmalloc+0x9/0x10 [ 40.540410][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.545290][ T461] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 40.545299][ T461] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 40.545311][ T461] ? delete_node+0x759/0x7b0 [ 40.550153][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.555485][ T461] ? __kasan_check_read+0x11/0x20 [ 40.563943][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.569380][ T461] ? delete_node+0x759/0x7b0 [ 40.569389][ T461] ? __kasan_check_write+0x14/0x20 [ 40.569399][ T461] ? idr_replace+0x1c4/0x230 [ 40.569415][ T461] ? idr_get_next+0x4b0/0x4b0 [ 40.705469][ T461] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.710890][ T461] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 40.716133][ T461] css_populate_dir+0x137/0x370 [ 40.721266][ T461] cgroup_apply_control_enable+0x8b9/0x12f0 [ 40.727234][ T461] cgroup_apply_control+0x93/0x710 [ 40.732329][ T461] ? css_next_child+0x160/0x160 [ 40.737712][ T461] ? io_schedule+0x120/0x120 [ 40.742535][ T461] ? kernfs_fop_write_iter+0x15e/0x410 [ 40.748228][ T461] ? __kasan_check_write+0x14/0x20 [ 40.753406][ T461] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 40.758770][ T461] cgroup_subtree_control_write+0xd19/0x1310 [ 40.764816][ T461] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.770888][ T461] ? __kasan_check_write+0x14/0x20 [ 40.776163][ T461] ? _copy_from_iter+0x3fb/0xd60 [ 40.781432][ T461] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 40.787490][ T461] cgroup_file_write+0x28e/0x590 [ 40.792405][ T461] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.797585][ T461] ? mutex_lock+0xa6/0x110 [ 40.802076][ T461] ? mutex_trylock+0xb0/0xb0 [ 40.806824][ T461] ? __kasan_check_write+0x14/0x20 [ 40.812198][ T461] kernfs_fop_write_iter+0x2d0/0x410 [ 40.817822][ T461] ? cgroup_seqfile_stop+0xc0/0xc0 [ 40.823375][ T461] vfs_write+0xc1c/0xf40 [ 40.827712][ T461] ? kernel_write+0x3c0/0x3c0 [ 40.832469][ T461] ? mutex_trylock+0xb0/0xb0 [ 40.837308][ T461] ? __fdget_pos+0x26d/0x310 [ 40.841896][ T461] ? ksys_write+0x77/0x2c0 [ 40.846568][ T461] ksys_write+0x198/0x2c0 [ 40.850876][ T461] ? __ia32_sys_read+0x90/0x90 [ 40.855612][ T461] ? debug_smp_processor_id+0x17/0x20 [ 40.861069][ T461] __x64_sys_write+0x7b/0x90 [ 40.865631][ T461] do_syscall_64+0x34/0x70 [ 40.870193][ T461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.876146][ T461] RIP: 0033:0x7f9c266c00e9 [ 40.880617][ T461] 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 [ 40.900484][ T461] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.908996][ T461] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 40.916952][ T461] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 40.925307][ T461] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.933344][ T461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.942253][ T461] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 40.952136][ T461] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 40.963478][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.972307][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.981891][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.989794][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.997812][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.006200][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.014506][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.021874][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.029570][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.037673][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.046055][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.054438][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.062566][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.078861][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.087982][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.088846][ T464] FAULT_INJECTION: forcing a failure. [ 41.088846][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 41.096944][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.112052][ T464] CPU: 1 PID: 464 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 41.116459][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.127595][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.127598][ T464] Call Trace: [ 41.127613][ T464] dump_stack_lvl+0x1e2/0x24b [ 41.127620][ T464] ? panic+0x7d7/0x7d7 [ 41.127639][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.142758][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.150623][ T464] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.150636][ T464] dump_stack+0x15/0x17 [ 41.150644][ T464] should_fail+0x3c0/0x510 [ 41.150654][ T464] __should_failslab+0x9f/0xe0 [ 41.150662][ T464] should_failslab+0x9/0x20 [ 41.150671][ T464] kmem_cache_alloc+0x3f/0x300 [ 41.150679][ T464] ? __kernfs_new_node+0xdb/0x6e0 [ 41.150687][ T464] __kernfs_new_node+0xdb/0x6e0 [ 41.150696][ T464] ? is_module_text_address+0xe1/0x140 [ 41.150704][ T464] ? kernfs_new_node+0x170/0x170 [ 41.150713][ T464] ? ptr_to_hashval+0x60/0x60 [ 41.150720][ T464] ? arch_stack_walk+0xf8/0x140 [ 41.150729][ T464] ? snprintf+0xd6/0x120 [ 41.150737][ T464] kernfs_new_node+0x97/0x170 [ 41.150746][ T464] __kernfs_create_file+0x4a/0x270 [ 41.150754][ T464] cgroup_addrm_files+0xab8/0xfe0 [ 41.150763][ T464] ? ____kasan_kmalloc+0xdc/0x110 [ 41.150770][ T464] ? __kasan_kmalloc+0x9/0x10 [ 41.150778][ T464] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.150787][ T464] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.150795][ T464] ? delete_node+0x759/0x7b0 [ 41.150804][ T464] ? __kasan_check_read+0x11/0x20 [ 41.150810][ T464] ? delete_node+0x759/0x7b0 [ 41.150818][ T464] ? __kasan_check_write+0x14/0x20 [ 41.150829][ T464] ? idr_replace+0x1c4/0x230 [ 41.150837][ T464] ? idr_get_next+0x4b0/0x4b0 [ 41.150845][ T464] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.150852][ T464] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.150861][ T464] css_populate_dir+0x137/0x370 [ 41.150871][ T464] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.150881][ T464] cgroup_apply_control+0x93/0x710 [ 41.150890][ T464] ? css_next_child+0x160/0x160 [ 41.150898][ T464] ? io_schedule+0x120/0x120 [ 41.150906][ T464] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.150914][ T464] ? __kasan_check_write+0x14/0x20 [ 41.150923][ T464] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.150931][ T464] cgroup_subtree_control_write+0xd19/0x1310 [ 41.150940][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.150948][ T464] ? __kasan_check_write+0x14/0x20 [ 41.150958][ T464] ? _copy_from_iter+0x3fb/0xd60 [ 41.150966][ T464] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.150973][ T464] cgroup_file_write+0x28e/0x590 [ 41.150981][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.150989][ T464] ? mutex_lock+0xa6/0x110 [ 41.150997][ T464] ? mutex_trylock+0xb0/0xb0 [ 41.151006][ T464] ? __kasan_check_write+0x14/0x20 [ 41.151014][ T464] kernfs_fop_write_iter+0x2d0/0x410 [ 41.151021][ T464] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.151030][ T464] vfs_write+0xc1c/0xf40 [ 41.151039][ T464] ? kernel_write+0x3c0/0x3c0 [ 41.151048][ T464] ? mutex_trylock+0xb0/0xb0 [ 41.151058][ T464] ? __fdget_pos+0x26d/0x310 [ 41.151065][ T464] ? ksys_write+0x77/0x2c0 [ 41.151073][ T464] ksys_write+0x198/0x2c0 [ 41.151081][ T464] ? __ia32_sys_read+0x90/0x90 [ 41.151095][ T464] ? debug_smp_processor_id+0x17/0x20 [ 41.151102][ T464] __x64_sys_write+0x7b/0x90 [ 41.151120][ T464] do_syscall_64+0x34/0x70 [ 41.154828][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.159138][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.159146][ T464] RIP: 0033:0x7f4e676240e9 [ 41.159154][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.159158][ T464] RSP: 002b:00007f4e67579168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.159170][ T464] RAX: ffffffffffffffda RBX: 00007f4e67737030 RCX: 00007f4e676240e9 [ 41.159175][ T464] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 41.159180][ T464] RBP: 00007f4e675791d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.159198][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.166784][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.169117][ T464] R13: 00007ffde41c443f R14: 00007f4e67579300 R15: 0000000000022000 [ 41.176246][ T464] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 41.177748][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.604428][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.613720][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.620403][ T477] FAULT_INJECTION: forcing a failure. [ 41.620403][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 41.643810][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.648744][ T477] CPU: 0 PID: 477 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 41.653611][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.663591][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.663595][ T477] Call Trace: [ 41.663613][ T477] dump_stack_lvl+0x1e2/0x24b [ 41.663620][ T477] ? panic+0x7d7/0x7d7 [ 41.663627][ T477] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.663636][ T477] ? selinux_kernfs_init_security+0x1a8/0x760 [ 41.663655][ T477] dump_stack+0x15/0x17 [ 41.672678][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.682975][ T477] should_fail+0x3c0/0x510 [ 41.682985][ T477] __should_failslab+0x9f/0xe0 [ 41.682994][ T477] should_failslab+0x9/0x20 [ 41.683003][ T477] kmem_cache_alloc+0x3f/0x300 [ 41.683019][ T477] ? __kernfs_new_node+0xdb/0x6e0 [ 41.687071][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.691381][ T477] __kernfs_new_node+0xdb/0x6e0 [ 41.691391][ T477] ? is_module_text_address+0xe1/0x140 [ 41.691404][ T477] ? kernfs_new_node+0x170/0x170 [ 41.695959][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.701886][ T477] ? ptr_to_hashval+0x60/0x60 [ 41.701894][ T477] ? arch_stack_walk+0xf8/0x140 [ 41.701902][ T477] ? snprintf+0xd6/0x120 [ 41.701917][ T477] kernfs_new_node+0x97/0x170 [ 41.709848][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.715669][ T477] __kernfs_create_file+0x4a/0x270 [ 41.819303][ T477] cgroup_addrm_files+0xab8/0xfe0 [ 41.824475][ T477] ? ____kasan_kmalloc+0xdc/0x110 [ 41.829659][ T477] ? __kasan_kmalloc+0x9/0x10 [ 41.834844][ T477] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 41.840693][ T477] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 41.847469][ T477] ? delete_node+0x759/0x7b0 [ 41.852182][ T477] ? __kasan_check_read+0x11/0x20 [ 41.857208][ T477] ? delete_node+0x759/0x7b0 [ 41.861895][ T477] ? __kasan_check_write+0x14/0x20 [ 41.867422][ T477] ? idr_replace+0x1c4/0x230 [ 41.872868][ T477] ? idr_get_next+0x4b0/0x4b0 [ 41.877544][ T477] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.882695][ T477] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.888209][ T477] css_populate_dir+0x137/0x370 [ 41.893230][ T477] cgroup_apply_control_enable+0x8b9/0x12f0 [ 41.899488][ T477] cgroup_apply_control+0x93/0x710 [ 41.904936][ T477] ? css_next_child+0x160/0x160 [ 41.910955][ T477] ? io_schedule+0x120/0x120 [ 41.915986][ T477] ? kernfs_fop_write_iter+0x15e/0x410 [ 41.921684][ T477] ? __kasan_check_write+0x14/0x20 [ 41.927094][ T477] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 41.932537][ T477] cgroup_subtree_control_write+0xd19/0x1310 [ 41.938944][ T477] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.945101][ T477] ? __kasan_check_write+0x14/0x20 [ 41.954457][ T477] ? _copy_from_iter+0x3fb/0xd60 [ 41.959483][ T477] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 41.965894][ T477] cgroup_file_write+0x28e/0x590 [ 41.970814][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 41.975899][ T477] ? mutex_lock+0xa6/0x110 [ 41.980303][ T477] ? mutex_trylock+0xb0/0xb0 [ 41.984868][ T477] ? __kasan_check_write+0x14/0x20 [ 41.990226][ T477] kernfs_fop_write_iter+0x2d0/0x410 [ 41.995638][ T477] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.001879][ T477] vfs_write+0xc1c/0xf40 [ 42.006191][ T477] ? kernel_write+0x3c0/0x3c0 [ 42.011380][ T477] ? mutex_trylock+0xb0/0xb0 [ 42.016147][ T477] ? __fdget_pos+0x26d/0x310 [ 42.021173][ T477] ? ksys_write+0x77/0x2c0 [ 42.025866][ T477] ksys_write+0x198/0x2c0 [ 42.030742][ T477] ? __ia32_sys_read+0x90/0x90 [ 42.035519][ T477] ? debug_smp_processor_id+0x17/0x20 [ 42.041424][ T477] __x64_sys_write+0x7b/0x90 [ 42.046278][ T477] do_syscall_64+0x34/0x70 [ 42.050771][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.057050][ T477] RIP: 0033:0x7f6d6cf380e9 [ 42.061674][ T477] 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 [ 42.082828][ T477] RSP: 002b:00007f6d6ce8d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.091707][ T477] RAX: ffffffffffffffda RBX: 00007f6d6d04b030 RCX: 00007f6d6cf380e9 [ 42.100067][ T477] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.108282][ T477] RBP: 00007f6d6ce8d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.116317][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.124653][ T477] R13: 00007ffe58312cef R14: 00007f6d6ce8d300 R15: 0000000000022000 [ 42.134936][ T477] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 42.151392][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.160497][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.169289][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.178324][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.186966][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.196012][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.205159][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.213605][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.222981][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.231485][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.240114][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.249485][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.261260][ T478] FAULT_INJECTION: forcing a failure. [ 42.261260][ T478] name failslab, interval 1, probability 0, space 0, times 0 [ 42.274877][ T478] CPU: 0 PID: 478 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 42.286586][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.297406][ T478] Call Trace: [ 42.300855][ T478] dump_stack_lvl+0x1e2/0x24b [ 42.306275][ T478] ? panic+0x7d7/0x7d7 [ 42.311041][ T478] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.317555][ T478] ? find_next_bit+0xd6/0x120 [ 42.323207][ T478] ? cpumask_next+0x11/0x30 [ 42.328818][ T478] dump_stack+0x15/0x17 [ 42.332966][ T478] should_fail+0x3c0/0x510 [ 42.337727][ T478] ? percpu_ref_init+0xd0/0x330 [ 42.342907][ T478] __should_failslab+0x9f/0xe0 [ 42.347995][ T478] should_failslab+0x9/0x20 [ 42.352554][ T478] kmem_cache_alloc_trace+0x3a/0x330 [ 42.358243][ T478] percpu_ref_init+0xd0/0x330 [ 42.362977][ T478] ? cgroup_setup_root+0xea0/0xea0 [ 42.368262][ T478] cgroup_apply_control_enable+0x3a2/0x12f0 [ 42.374688][ T478] cgroup_apply_control+0x93/0x710 [ 42.380325][ T478] ? css_next_child+0x160/0x160 [ 42.385196][ T478] ? io_schedule+0x120/0x120 [ 42.390319][ T478] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.396199][ T478] ? __kasan_check_write+0x14/0x20 [ 42.401655][ T478] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.407087][ T478] cgroup_subtree_control_write+0xd19/0x1310 [ 42.413318][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.419473][ T478] ? __kasan_check_write+0x14/0x20 [ 42.424569][ T478] ? _copy_from_iter+0x3fb/0xd60 [ 42.429491][ T478] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.435738][ T478] cgroup_file_write+0x28e/0x590 [ 42.440968][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.446781][ T478] ? mutex_lock+0xa6/0x110 [ 42.451366][ T478] ? mutex_trylock+0xb0/0xb0 [ 42.456526][ T478] ? __kasan_check_write+0x14/0x20 [ 42.462114][ T478] kernfs_fop_write_iter+0x2d0/0x410 [ 42.467561][ T478] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.472829][ T478] vfs_write+0xc1c/0xf40 [ 42.477226][ T478] ? kernel_write+0x3c0/0x3c0 [ 42.482772][ T478] ? mutex_trylock+0xb0/0xb0 [ 42.487530][ T478] ? __fdget_pos+0x26d/0x310 [ 42.492477][ T478] ? ksys_write+0x77/0x2c0 [ 42.497063][ T478] ksys_write+0x198/0x2c0 [ 42.501751][ T478] ? __ia32_sys_read+0x90/0x90 [ 42.506725][ T478] ? debug_smp_processor_id+0x17/0x20 [ 42.512641][ T478] __x64_sys_write+0x7b/0x90 [ 42.517765][ T478] do_syscall_64+0x34/0x70 [ 42.522567][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.528650][ T478] RIP: 0033:0x7fc5d50480e9 [ 42.533542][ 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 [ 42.558310][ T478] RSP: 002b:00007fc5d4f9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.569796][ T478] RAX: ffffffffffffffda RBX: 00007fc5d515b030 RCX: 00007fc5d50480e9 [ 42.580941][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 42.592591][ T478] RBP: 00007fc5d4f9d1d0 R08: 0000000000000000 R09: 0000000000000000 2022/06/08 02:00:11 executed programs: 17 [ 42.603738][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.613272][ T478] R13: 00007fff7529f60f R14: 00007fc5d4f9d300 R15: 0000000000022000 [ 42.657107][ T486] FAULT_INJECTION: forcing a failure. [ 42.657107][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 42.670547][ T486] CPU: 0 PID: 486 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 42.682450][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.692926][ T486] Call Trace: [ 42.696439][ T486] dump_stack_lvl+0x1e2/0x24b [ 42.701202][ T486] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.706832][ T486] ? selinux_kernfs_init_security+0x1a8/0x760 [ 42.713063][ T486] dump_stack+0x15/0x17 [ 42.717394][ T486] should_fail+0x3c0/0x510 [ 42.721986][ T486] ? __kernfs_new_node+0x99/0x6e0 [ 42.727183][ T486] __should_failslab+0x9f/0xe0 [ 42.732291][ T486] should_failslab+0x9/0x20 [ 42.737161][ T486] __kmalloc_track_caller+0x5f/0x350 [ 42.743009][ T486] kstrdup_const+0x55/0x90 [ 42.748111][ T486] __kernfs_new_node+0x99/0x6e0 [ 42.753259][ T486] ? is_module_text_address+0xe1/0x140 [ 42.759148][ T486] ? kernfs_new_node+0x170/0x170 [ 42.764093][ T486] ? ptr_to_hashval+0x60/0x60 [ 42.768871][ T486] ? arch_stack_walk+0xf8/0x140 [ 42.774008][ T486] ? snprintf+0xd6/0x120 [ 42.778275][ T486] kernfs_new_node+0x97/0x170 [ 42.783103][ T486] __kernfs_create_file+0x4a/0x270 [ 42.788191][ T486] cgroup_addrm_files+0xab8/0xfe0 [ 42.793911][ T486] ? ____kasan_kmalloc+0xdc/0x110 [ 42.799072][ T486] ? __kasan_kmalloc+0x9/0x10 [ 42.803733][ T486] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 42.809552][ T486] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 42.816319][ T486] ? delete_node+0x759/0x7b0 [ 42.821171][ T486] ? __kasan_check_read+0x11/0x20 [ 42.826428][ T486] ? delete_node+0x759/0x7b0 [ 42.831390][ T486] ? __kasan_check_write+0x14/0x20 [ 42.836580][ T486] ? idr_replace+0x1c4/0x230 [ 42.841770][ T486] ? idr_get_next+0x4b0/0x4b0 [ 42.846612][ T486] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.851699][ T486] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.857105][ T486] css_populate_dir+0x137/0x370 [ 42.862544][ T486] cgroup_apply_control_enable+0x8b9/0x12f0 [ 42.868510][ T486] cgroup_apply_control+0x93/0x710 [ 42.873948][ T486] ? css_next_child+0x160/0x160 [ 42.879165][ T486] ? io_schedule+0x120/0x120 [ 42.884364][ T486] ? kernfs_fop_write_iter+0x15e/0x410 [ 42.889814][ T486] ? __kasan_check_write+0x14/0x20 [ 42.894909][ T486] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 42.900270][ T486] cgroup_subtree_control_write+0xd19/0x1310 [ 42.906319][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.912515][ T486] ? __kasan_check_write+0x14/0x20 [ 42.917685][ T486] ? _copy_from_iter+0x3fb/0xd60 [ 42.922597][ T486] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 42.929083][ T486] cgroup_file_write+0x28e/0x590 [ 42.934145][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.939333][ T486] ? mutex_lock+0xa6/0x110 [ 42.943827][ T486] ? mutex_trylock+0xb0/0xb0 [ 42.948949][ T486] ? __kasan_check_write+0x14/0x20 [ 42.954050][ T486] kernfs_fop_write_iter+0x2d0/0x410 [ 42.959581][ T486] ? cgroup_seqfile_stop+0xc0/0xc0 [ 42.964982][ T486] vfs_write+0xc1c/0xf40 [ 42.969433][ T486] ? kernel_write+0x3c0/0x3c0 [ 42.974187][ T486] ? mutex_trylock+0xb0/0xb0 [ 42.979352][ T486] ? __fdget_pos+0x26d/0x310 [ 42.983931][ T486] ? ksys_write+0x77/0x2c0 [ 42.988629][ T486] ksys_write+0x198/0x2c0 [ 42.993015][ T486] ? __ia32_sys_read+0x90/0x90 [ 42.997776][ T486] ? debug_smp_processor_id+0x17/0x20 [ 43.003188][ T486] __x64_sys_write+0x7b/0x90 [ 43.008136][ T486] do_syscall_64+0x34/0x70 [ 43.012750][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.019088][ T486] RIP: 0033:0x7f9f8374d0e9 [ 43.024187][ T486] 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 [ 43.048199][ T486] RSP: 002b:00007f9f836c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.058189][ T486] RAX: ffffffffffffffda RBX: 00007f9f8385ff60 RCX: 00007f9f8374d0e9 [ 43.066413][ T486] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.075126][ T486] RBP: 00007f9f836c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.083545][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.091599][ T486] R13: 00007ffe5c47fe2f R14: 00007f9f836c3300 R15: 0000000000022000 [ 43.102672][ T486] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.129890][ T487] FAULT_INJECTION: forcing a failure. [ 43.129890][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 43.143669][ T487] CPU: 0 PID: 487 Comm: syz-executor.4 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 43.154845][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.165202][ T487] Call Trace: [ 43.168563][ T487] dump_stack_lvl+0x1e2/0x24b [ 43.176202][ T487] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.181736][ T487] ? selinux_kernfs_init_security+0x1a8/0x760 [ 43.188400][ T487] dump_stack+0x15/0x17 [ 43.192725][ T487] should_fail+0x3c0/0x510 [ 43.197222][ T487] ? __kernfs_new_node+0x99/0x6e0 [ 43.202355][ T487] __should_failslab+0x9f/0xe0 [ 43.207320][ T487] should_failslab+0x9/0x20 [ 43.212179][ T487] __kmalloc_track_caller+0x5f/0x350 [ 43.217622][ T487] kstrdup_const+0x55/0x90 [ 43.222197][ T487] __kernfs_new_node+0x99/0x6e0 [ 43.227209][ T487] ? is_module_text_address+0xe1/0x140 [ 43.232660][ T487] ? kernfs_new_node+0x170/0x170 [ 43.237840][ T487] ? ptr_to_hashval+0x60/0x60 [ 43.243316][ T487] ? arch_stack_walk+0xf8/0x140 [ 43.248237][ T487] ? snprintf+0xd6/0x120 [ 43.252647][ T487] kernfs_new_node+0x97/0x170 [ 43.257491][ T487] __kernfs_create_file+0x4a/0x270 [ 43.262599][ T487] cgroup_addrm_files+0xab8/0xfe0 [ 43.267779][ T487] ? ____kasan_kmalloc+0xdc/0x110 [ 43.272781][ T487] ? __kasan_kmalloc+0x9/0x10 [ 43.277519][ T487] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 43.283241][ T487] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 43.289467][ T487] ? delete_node+0x759/0x7b0 [ 43.294122][ T487] ? __kasan_check_read+0x11/0x20 [ 43.299169][ T487] ? delete_node+0x759/0x7b0 [ 43.303913][ T487] ? __kasan_check_write+0x14/0x20 [ 43.309332][ T487] ? idr_replace+0x1c4/0x230 [ 43.313905][ T487] ? idr_get_next+0x4b0/0x4b0 [ 43.318748][ T487] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.323761][ T487] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.328998][ T487] css_populate_dir+0x137/0x370 [ 43.333921][ T487] cgroup_apply_control_enable+0x8b9/0x12f0 [ 43.339802][ T487] cgroup_apply_control+0x93/0x710 [ 43.344896][ T487] ? css_next_child+0x160/0x160 [ 43.349918][ T487] ? io_schedule+0x120/0x120 [ 43.354568][ T487] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.360140][ T487] ? __kasan_check_write+0x14/0x20 [ 43.365337][ T487] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.370901][ T487] cgroup_subtree_control_write+0xd19/0x1310 [ 43.376869][ T487] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.383172][ T487] ? __kasan_check_write+0x14/0x20 [ 43.388701][ T487] ? _copy_from_iter+0x3fb/0xd60 [ 43.393704][ T487] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.400634][ T487] cgroup_file_write+0x28e/0x590 [ 43.405723][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.411693][ T487] ? mutex_lock+0xa6/0x110 [ 43.416709][ T487] ? mutex_trylock+0xb0/0xb0 [ 43.421471][ T487] ? __kasan_check_write+0x14/0x20 [ 43.426953][ T487] kernfs_fop_write_iter+0x2d0/0x410 [ 43.432474][ T487] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.438062][ T487] vfs_write+0xc1c/0xf40 [ 43.442344][ T487] ? kernel_write+0x3c0/0x3c0 [ 43.448060][ T487] ? mutex_trylock+0xb0/0xb0 [ 43.452748][ T487] ? __fdget_pos+0x26d/0x310 [ 43.457860][ T487] ? ksys_write+0x77/0x2c0 [ 43.462570][ T487] ksys_write+0x198/0x2c0 [ 43.467075][ T487] ? __ia32_sys_read+0x90/0x90 [ 43.472103][ T487] ? debug_smp_processor_id+0x17/0x20 [ 43.478093][ T487] __x64_sys_write+0x7b/0x90 [ 43.482760][ T487] do_syscall_64+0x34/0x70 [ 43.487172][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.493601][ T487] RIP: 0033:0x7fdc77d4f0e9 [ 43.498195][ 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 [ 43.520301][ T487] RSP: 002b:00007fdc77ca4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.528873][ T487] RAX: ffffffffffffffda RBX: 00007fdc77e62030 RCX: 00007fdc77d4f0e9 [ 43.537904][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.547185][ T487] RBP: 00007fdc77ca41d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.555574][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.563790][ T487] R13: 00007ffc6da322df R14: 00007fdc77ca4300 R15: 0000000000022000 [ 43.574531][ T487] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 43.619363][ T497] FAULT_INJECTION: forcing a failure. [ 43.619363][ T497] name failslab, interval 1, probability 0, space 0, times 0 [ 43.633189][ T497] CPU: 0 PID: 497 Comm: syz-executor.2 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 43.644471][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.655240][ T497] Call Trace: [ 43.658531][ T497] dump_stack_lvl+0x1e2/0x24b [ 43.663202][ T497] ? panic+0x7d7/0x7d7 [ 43.667336][ T497] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.672968][ T497] ? find_next_bit+0xd6/0x120 [ 43.677921][ T497] ? cpumask_next+0x11/0x30 [ 43.683249][ T497] dump_stack+0x15/0x17 [ 43.687783][ T497] should_fail+0x3c0/0x510 [ 43.692488][ T497] ? percpu_ref_init+0xd0/0x330 [ 43.697801][ T497] __should_failslab+0x9f/0xe0 [ 43.702740][ T497] should_failslab+0x9/0x20 [ 43.707592][ T497] kmem_cache_alloc_trace+0x3a/0x330 [ 43.713556][ T497] percpu_ref_init+0xd0/0x330 [ 43.718222][ T497] ? cgroup_setup_root+0xea0/0xea0 [ 43.723596][ T497] cgroup_apply_control_enable+0x3a2/0x12f0 [ 43.729886][ T497] cgroup_apply_control+0x93/0x710 [ 43.735530][ T497] ? css_next_child+0x160/0x160 [ 43.740724][ T497] ? io_schedule+0x120/0x120 [ 43.745554][ T497] ? kernfs_fop_write_iter+0x15e/0x410 [ 43.750994][ T497] ? __kasan_check_write+0x14/0x20 [ 43.756259][ T497] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 43.761919][ T497] cgroup_subtree_control_write+0xd19/0x1310 [ 43.767968][ T497] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.774321][ T497] ? __kasan_check_write+0x14/0x20 [ 43.779764][ T497] ? _copy_from_iter+0x3fb/0xd60 [ 43.785277][ T497] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 43.791326][ T497] cgroup_file_write+0x28e/0x590 [ 43.796679][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.802156][ T497] ? mutex_lock+0xa6/0x110 [ 43.806854][ T497] ? mutex_trylock+0xb0/0xb0 [ 43.812071][ T497] ? __kasan_check_write+0x14/0x20 [ 43.817350][ T497] kernfs_fop_write_iter+0x2d0/0x410 [ 43.822810][ T497] ? cgroup_seqfile_stop+0xc0/0xc0 [ 43.828263][ T497] vfs_write+0xc1c/0xf40 [ 43.832661][ T497] ? kernel_write+0x3c0/0x3c0 [ 43.837579][ T497] ? mutex_trylock+0xb0/0xb0 [ 43.842616][ T497] ? __fdget_pos+0x26d/0x310 [ 43.847192][ T497] ? ksys_write+0x77/0x2c0 [ 43.851589][ T497] ksys_write+0x198/0x2c0 [ 43.856189][ T497] ? __ia32_sys_read+0x90/0x90 [ 43.861289][ T497] ? debug_smp_processor_id+0x17/0x20 [ 43.867023][ T497] __x64_sys_write+0x7b/0x90 [ 43.871957][ T497] do_syscall_64+0x34/0x70 [ 43.876360][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.882345][ T497] RIP: 0033:0x7f9c266c00e9 [ 43.886842][ T497] 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 [ 43.906688][ T497] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.915435][ T497] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 43.923733][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 43.932272][ T497] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.941076][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.949698][ T497] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 43.979735][ T496] FAULT_INJECTION: forcing a failure. [ 43.979735][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 43.993210][ T496] CPU: 1 PID: 496 Comm: syz-executor.1 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 44.004477][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.015080][ T496] Call Trace: [ 44.019067][ T496] dump_stack_lvl+0x1e2/0x24b [ 44.024166][ T496] ? panic+0x7d7/0x7d7 [ 44.028318][ T496] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.033931][ T496] ? find_next_bit+0xd6/0x120 [ 44.039128][ T496] ? cpumask_next+0x11/0x30 [ 44.043830][ T496] dump_stack+0x15/0x17 [ 44.048077][ T496] should_fail+0x3c0/0x510 [ 44.052657][ T496] ? percpu_ref_init+0xd0/0x330 [ 44.057580][ T496] __should_failslab+0x9f/0xe0 [ 44.062553][ T496] should_failslab+0x9/0x20 [ 44.067046][ T496] kmem_cache_alloc_trace+0x3a/0x330 [ 44.072953][ T496] percpu_ref_init+0xd0/0x330 [ 44.078354][ T496] ? cgroup_setup_root+0xea0/0xea0 [ 44.085114][ T496] cgroup_apply_control_enable+0x3a2/0x12f0 [ 44.091276][ T496] cgroup_apply_control+0x93/0x710 [ 44.096934][ T496] ? css_next_child+0x160/0x160 [ 44.103609][ T496] ? io_schedule+0x120/0x120 [ 44.108875][ T496] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.114731][ T496] ? __kasan_check_write+0x14/0x20 [ 44.119990][ T496] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.125821][ T496] cgroup_subtree_control_write+0xd19/0x1310 [ 44.132896][ T496] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.139077][ T496] ? __kasan_check_write+0x14/0x20 [ 44.144500][ T496] ? _copy_from_iter+0x3fb/0xd60 [ 44.150475][ T496] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.157920][ T496] cgroup_file_write+0x28e/0x590 [ 44.164165][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.171401][ T496] ? mutex_lock+0xa6/0x110 [ 44.176046][ T496] ? mutex_trylock+0xb0/0xb0 [ 44.181894][ T496] ? __kasan_check_write+0x14/0x20 [ 44.188506][ T496] kernfs_fop_write_iter+0x2d0/0x410 [ 44.196684][ T496] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.203039][ T496] vfs_write+0xc1c/0xf40 [ 44.207474][ T496] ? kernel_write+0x3c0/0x3c0 [ 44.213202][ T496] ? mutex_trylock+0xb0/0xb0 [ 44.218418][ T496] ? __fdget_pos+0x26d/0x310 [ 44.223345][ T496] ? ksys_write+0x77/0x2c0 [ 44.228506][ T496] ksys_write+0x198/0x2c0 [ 44.233676][ T496] ? __ia32_sys_read+0x90/0x90 [ 44.239314][ T496] ? debug_smp_processor_id+0x17/0x20 [ 44.245653][ T496] __x64_sys_write+0x7b/0x90 [ 44.251301][ T496] do_syscall_64+0x34/0x70 [ 44.256150][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.263070][ T496] RIP: 0033:0x7f4e676240e9 [ 44.267879][ T496] 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 [ 44.289225][ T496] RSP: 002b:00007f4e6759a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.298520][ T496] RAX: ffffffffffffffda RBX: 00007f4e67736f60 RCX: 00007f4e676240e9 [ 44.308384][ T496] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.318148][ T496] RBP: 00007f4e6759a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.326481][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.336192][ T496] R13: 00007ffde41c443f R14: 00007f4e6759a300 R15: 0000000000022000 [ 44.389557][ T489] FAULT_INJECTION: forcing a failure. [ 44.389557][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 44.403899][ T489] CPU: 0 PID: 489 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 44.415660][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.426907][ T489] Call Trace: [ 44.430408][ T489] dump_stack_lvl+0x1e2/0x24b [ 44.436267][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.442386][ T489] ? selinux_kernfs_init_security+0x1a8/0x760 [ 44.449562][ T489] dump_stack+0x15/0x17 [ 44.453995][ T489] should_fail+0x3c0/0x510 [ 44.459589][ T489] ? __kernfs_new_node+0x99/0x6e0 [ 44.464779][ T489] __should_failslab+0x9f/0xe0 [ 44.470027][ T489] should_failslab+0x9/0x20 [ 44.474906][ T489] __kmalloc_track_caller+0x5f/0x350 [ 44.480272][ T489] kstrdup_const+0x55/0x90 [ 44.485208][ T489] __kernfs_new_node+0x99/0x6e0 [ 44.491051][ T489] ? is_module_text_address+0xe1/0x140 [ 44.496990][ T489] ? kernfs_new_node+0x170/0x170 [ 44.502331][ T489] ? ptr_to_hashval+0x60/0x60 [ 44.507683][ T489] ? arch_stack_walk+0xf8/0x140 [ 44.513150][ T489] ? snprintf+0xd6/0x120 [ 44.517574][ T489] kernfs_new_node+0x97/0x170 [ 44.523033][ T489] __kernfs_create_file+0x4a/0x270 [ 44.530044][ T489] cgroup_addrm_files+0xab8/0xfe0 [ 44.536445][ T489] ? ____kasan_kmalloc+0xdc/0x110 [ 44.543237][ T489] ? __kasan_kmalloc+0x9/0x10 [ 44.548336][ T489] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 44.555916][ T489] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 44.562859][ T489] ? delete_node+0x759/0x7b0 [ 44.568159][ T489] ? __kasan_check_read+0x11/0x20 [ 44.573700][ T489] ? delete_node+0x759/0x7b0 [ 44.579314][ T489] ? __kasan_check_write+0x14/0x20 [ 44.584523][ T489] ? idr_replace+0x1c4/0x230 [ 44.589379][ T489] ? idr_get_next+0x4b0/0x4b0 [ 44.594654][ T489] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 44.600107][ T489] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 44.606737][ T489] css_populate_dir+0x137/0x370 [ 44.611967][ T489] cgroup_apply_control_enable+0x8b9/0x12f0 [ 44.619401][ T489] cgroup_apply_control+0x93/0x710 [ 44.626805][ T489] ? css_next_child+0x160/0x160 [ 44.631946][ T489] ? io_schedule+0x120/0x120 [ 44.636665][ T489] ? kernfs_fop_write_iter+0x15e/0x410 [ 44.642554][ T489] ? __kasan_check_write+0x14/0x20 [ 44.648046][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 44.654222][ T489] cgroup_subtree_control_write+0xd19/0x1310 [ 44.660847][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.667642][ T489] ? __kasan_check_write+0x14/0x20 [ 44.673206][ T489] ? _copy_from_iter+0x3fb/0xd60 [ 44.682754][ T489] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 44.689805][ T489] cgroup_file_write+0x28e/0x590 [ 44.695515][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.700878][ T489] ? mutex_lock+0xa6/0x110 [ 44.705505][ T489] ? mutex_trylock+0xb0/0xb0 [ 44.710132][ T489] ? __kasan_check_write+0x14/0x20 [ 44.715534][ T489] kernfs_fop_write_iter+0x2d0/0x410 [ 44.720994][ T489] ? cgroup_seqfile_stop+0xc0/0xc0 [ 44.726268][ T489] vfs_write+0xc1c/0xf40 [ 44.730592][ T489] ? kernel_write+0x3c0/0x3c0 [ 44.735615][ T489] ? mutex_trylock+0xb0/0xb0 [ 44.740362][ T489] ? __fdget_pos+0x26d/0x310 [ 44.745122][ T489] ? ksys_write+0x77/0x2c0 [ 44.749680][ T489] ksys_write+0x198/0x2c0 [ 44.754257][ T489] ? __ia32_sys_read+0x90/0x90 [ 44.759313][ T489] ? debug_smp_processor_id+0x17/0x20 [ 44.765041][ T489] __x64_sys_write+0x7b/0x90 [ 44.769884][ T489] do_syscall_64+0x34/0x70 [ 44.775184][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.781977][ T489] RIP: 0033:0x7f9f8374d0e9 [ 44.786802][ 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 [ 44.807439][ T489] RSP: 002b:00007f9f836c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.816352][ T489] RAX: ffffffffffffffda RBX: 00007f9f8385ff60 RCX: 00007f9f8374d0e9 [ 44.825124][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.833912][ T489] RBP: 00007f9f836c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.842488][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.850970][ T489] R13: 00007ffe5c47fe2f R14: 00007f9f836c3300 R15: 0000000000022000 [ 44.860699][ T489] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 44.869735][ T23] audit: type=1400 audit(1654653614.210:158): 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 [ 44.895064][ T23] audit: type=1400 audit(1654653614.210:159): 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 [ 44.917912][ T23] audit: type=1400 audit(1654653614.210:160): 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 [ 44.918489][ T509] FAULT_INJECTION: forcing a failure. [ 44.918489][ T509] name failslab, interval 1, probability 0, space 0, times 0 [ 44.952084][ T509] CPU: 0 PID: 509 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 44.963936][ T509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.975468][ T509] Call Trace: [ 44.978846][ T509] dump_stack_lvl+0x1e2/0x24b [ 44.983769][ T509] ? panic+0x7d7/0x7d7 [ 44.987919][ T509] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.993380][ T509] ? find_next_bit+0xd6/0x120 [ 44.998043][ T509] ? cpumask_next+0x11/0x30 [ 45.002525][ T509] dump_stack+0x15/0x17 [ 45.006749][ T509] should_fail+0x3c0/0x510 [ 45.011414][ T509] ? percpu_ref_init+0xd0/0x330 [ 45.016453][ T509] __should_failslab+0x9f/0xe0 [ 45.021300][ T509] should_failslab+0x9/0x20 [ 45.026158][ T509] kmem_cache_alloc_trace+0x3a/0x330 [ 45.031441][ T509] percpu_ref_init+0xd0/0x330 [ 45.036337][ T509] ? cgroup_setup_root+0xea0/0xea0 [ 45.041619][ T509] cgroup_apply_control_enable+0x3a2/0x12f0 [ 45.047571][ T509] cgroup_apply_control+0x93/0x710 [ 45.052680][ T509] ? css_next_child+0x160/0x160 [ 45.058264][ T509] ? io_schedule+0x120/0x120 [ 45.063390][ T509] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.068853][ T509] ? __kasan_check_write+0x14/0x20 [ 45.074155][ T509] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.079726][ T509] cgroup_subtree_control_write+0xd19/0x1310 [ 45.085867][ T509] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.092051][ T509] ? __kasan_check_write+0x14/0x20 [ 45.097335][ T509] ? _copy_from_iter+0x3fb/0xd60 [ 45.102436][ T509] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.108496][ T509] cgroup_file_write+0x28e/0x590 [ 45.113599][ T509] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.119218][ T509] ? mutex_lock+0xa6/0x110 [ 45.124437][ T509] ? mutex_trylock+0xb0/0xb0 [ 45.129009][ T509] ? __kasan_check_write+0x14/0x20 [ 45.134145][ T509] kernfs_fop_write_iter+0x2d0/0x410 [ 45.140819][ T509] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.145924][ T509] vfs_write+0xc1c/0xf40 [ 45.150339][ T509] ? kernel_write+0x3c0/0x3c0 [ 45.155126][ T509] ? mutex_trylock+0xb0/0xb0 [ 45.159704][ T509] ? __fdget_pos+0x26d/0x310 [ 45.164442][ T509] ? ksys_write+0x77/0x2c0 [ 45.168834][ T509] ksys_write+0x198/0x2c0 [ 45.173323][ T509] ? __ia32_sys_read+0x90/0x90 [ 45.178286][ T509] ? debug_smp_processor_id+0x17/0x20 [ 45.183817][ T509] __x64_sys_write+0x7b/0x90 [ 45.189119][ T509] do_syscall_64+0x34/0x70 [ 45.193599][ T509] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.199710][ T509] RIP: 0033:0x7f9f8374d0e9 [ 45.204208][ T509] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.236632][ T509] RSP: 002b:00007f9f836c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.245560][ T509] RAX: ffffffffffffffda RBX: 00007f9f8385ff60 RCX: 00007f9f8374d0e9 [ 45.254286][ T509] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.262511][ T509] RBP: 00007f9f836c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.270471][ T509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.279593][ T509] R13: 00007ffe5c47fe2f R14: 00007f9f836c3300 R15: 0000000000022000 [ 45.319159][ T502] FAULT_INJECTION: forcing a failure. [ 45.319159][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 45.331894][ T502] CPU: 0 PID: 502 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 45.343012][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.353777][ T502] Call Trace: [ 45.357147][ T502] dump_stack_lvl+0x1e2/0x24b [ 45.361907][ T502] ? panic+0x7d7/0x7d7 [ 45.365956][ T502] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.371501][ T502] ? find_next_bit+0xd6/0x120 [ 45.376346][ T502] ? cpumask_next+0x11/0x30 [ 45.381056][ T502] dump_stack+0x15/0x17 [ 45.385238][ T502] should_fail+0x3c0/0x510 [ 45.389742][ T502] ? percpu_ref_init+0xd0/0x330 [ 45.394796][ T502] __should_failslab+0x9f/0xe0 [ 45.400168][ T502] should_failslab+0x9/0x20 [ 45.404941][ T502] kmem_cache_alloc_trace+0x3a/0x330 [ 45.410325][ T502] percpu_ref_init+0xd0/0x330 [ 45.415707][ T502] ? cgroup_setup_root+0xea0/0xea0 [ 45.421097][ T502] cgroup_apply_control_enable+0x3a2/0x12f0 [ 45.427889][ T502] cgroup_apply_control+0x93/0x710 [ 45.433263][ T502] ? css_next_child+0x160/0x160 [ 45.438380][ T502] ? io_schedule+0x120/0x120 [ 45.443156][ T502] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.448860][ T502] ? __kasan_check_write+0x14/0x20 [ 45.454595][ T502] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.460046][ T502] cgroup_subtree_control_write+0xd19/0x1310 [ 45.466291][ T502] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.472445][ T502] ? __kasan_check_write+0x14/0x20 [ 45.477622][ T502] ? _copy_from_iter+0x3fb/0xd60 [ 45.482713][ T502] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.488882][ T502] cgroup_file_write+0x28e/0x590 [ 45.494141][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.499589][ T502] ? mutex_lock+0xa6/0x110 [ 45.504458][ T502] ? mutex_trylock+0xb0/0xb0 [ 45.509522][ T502] ? __kasan_check_write+0x14/0x20 [ 45.514977][ T502] kernfs_fop_write_iter+0x2d0/0x410 [ 45.520509][ T502] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.526985][ T502] vfs_write+0xc1c/0xf40 [ 45.531476][ T502] ? kernel_write+0x3c0/0x3c0 [ 45.536656][ T502] ? mutex_trylock+0xb0/0xb0 [ 45.542500][ T502] ? __fdget_pos+0x26d/0x310 [ 45.547276][ T502] ? ksys_write+0x77/0x2c0 [ 45.551959][ T502] ksys_write+0x198/0x2c0 [ 45.556353][ T502] ? __ia32_sys_read+0x90/0x90 [ 45.561095][ T502] ? debug_smp_processor_id+0x17/0x20 [ 45.566626][ T502] __x64_sys_write+0x7b/0x90 [ 45.571356][ T502] do_syscall_64+0x34/0x70 [ 45.576308][ T502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.582544][ T502] RIP: 0033:0x7fc5d50480e9 [ 45.587237][ 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 [ 45.610115][ T502] RSP: 002b:00007fc5d4f9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.622863][ T502] RAX: ffffffffffffffda RBX: 00007fc5d515b030 RCX: 00007fc5d50480e9 [ 45.633826][ T502] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.643524][ T502] RBP: 00007fc5d4f9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.651749][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.660132][ T502] R13: 00007fff7529f60f R14: 00007fc5d4f9d300 R15: 0000000000022000 [ 45.699225][ T500] FAULT_INJECTION: forcing a failure. [ 45.699225][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 45.713310][ T500] CPU: 0 PID: 500 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 45.724665][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.735468][ T500] Call Trace: [ 45.738763][ T500] dump_stack_lvl+0x1e2/0x24b [ 45.743678][ T500] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.749323][ T500] dump_stack+0x15/0x17 [ 45.753461][ T500] should_fail+0x3c0/0x510 [ 45.758299][ T500] ? pids_css_alloc+0x4e/0x120 [ 45.763256][ T500] __should_failslab+0x9f/0xe0 [ 45.768101][ T500] should_failslab+0x9/0x20 [ 45.772599][ T500] kmem_cache_alloc_trace+0x3a/0x330 [ 45.778491][ T500] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.783941][ T500] pids_css_alloc+0x4e/0x120 [ 45.788623][ T500] cgroup_apply_control_enable+0x350/0x12f0 [ 45.794530][ T500] cgroup_apply_control+0x93/0x710 [ 45.800185][ T500] ? css_next_child+0x160/0x160 [ 45.805213][ T500] ? release_task_stack+0x529/0x660 [ 45.810589][ T500] ? io_schedule+0x120/0x120 [ 45.815181][ T500] ? kernfs_fop_write_iter+0x15e/0x410 [ 45.820635][ T500] ? __kasan_check_write+0x14/0x20 [ 45.825870][ T500] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 45.831914][ T500] cgroup_subtree_control_write+0xd19/0x1310 [ 45.838091][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.844490][ T500] ? __kasan_check_write+0x14/0x20 [ 45.850170][ T500] ? _copy_from_iter+0x3fb/0xd60 [ 45.855606][ T500] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 45.861578][ T500] cgroup_file_write+0x28e/0x590 [ 45.866702][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.871933][ T500] ? mutex_lock+0xa6/0x110 [ 45.876352][ T500] ? mutex_trylock+0xb0/0xb0 [ 45.881207][ T500] ? __kasan_check_write+0x14/0x20 [ 45.886763][ T500] kernfs_fop_write_iter+0x2d0/0x410 [ 45.892119][ T500] ? cgroup_seqfile_stop+0xc0/0xc0 [ 45.897398][ T500] vfs_write+0xc1c/0xf40 [ 45.902153][ T500] ? kernel_write+0x3c0/0x3c0 [ 45.906827][ T500] ? mutex_trylock+0xb0/0xb0 [ 45.911835][ T500] ? __fdget_pos+0x26d/0x310 [ 45.916593][ T500] ? ksys_write+0x77/0x2c0 [ 45.921254][ T500] ksys_write+0x198/0x2c0 [ 45.925874][ T500] ? __ia32_sys_read+0x90/0x90 [ 45.930901][ T500] ? debug_smp_processor_id+0x17/0x20 [ 45.936756][ T500] __x64_sys_write+0x7b/0x90 [ 45.942239][ T500] do_syscall_64+0x34/0x70 [ 45.946889][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.953242][ T500] RIP: 0033:0x7f6d6cf380e9 [ 45.958456][ 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 [ 45.979600][ T500] RSP: 002b:00007f6d6ce8d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.988262][ T500] RAX: ffffffffffffffda RBX: 00007f6d6d04b030 RCX: 00007f6d6cf380e9 [ 45.996791][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.005896][ T500] RBP: 00007f6d6ce8d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.013859][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.022711][ T500] R13: 00007ffe58312cef R14: 00007f6d6ce8d300 R15: 0000000000022000 [ 46.049233][ T512] FAULT_INJECTION: forcing a failure. [ 46.049233][ T512] name failslab, interval 1, probability 0, space 0, times 0 [ 46.062518][ T512] CPU: 1 PID: 512 Comm: syz-executor.3 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 46.074045][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.085272][ T512] Call Trace: [ 46.088694][ T512] dump_stack_lvl+0x1e2/0x24b [ 46.093642][ T512] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.099449][ T512] ? selinux_kernfs_init_security+0x1a8/0x760 [ 46.105805][ T512] dump_stack+0x15/0x17 [ 46.110312][ T512] should_fail+0x3c0/0x510 [ 46.114868][ T512] ? __kernfs_new_node+0x99/0x6e0 [ 46.120243][ T512] __should_failslab+0x9f/0xe0 [ 46.125523][ T512] should_failslab+0x9/0x20 [ 46.130613][ T512] __kmalloc_track_caller+0x5f/0x350 [ 46.136428][ T512] kstrdup_const+0x55/0x90 [ 46.141292][ T512] __kernfs_new_node+0x99/0x6e0 [ 46.146772][ T512] ? is_module_text_address+0xe1/0x140 [ 46.152216][ T512] ? kernfs_new_node+0x170/0x170 [ 46.157888][ T512] ? ptr_to_hashval+0x60/0x60 [ 46.163273][ T512] ? arch_stack_walk+0xf8/0x140 [ 46.170293][ T512] ? snprintf+0xd6/0x120 [ 46.175095][ T512] kernfs_new_node+0x97/0x170 [ 46.180061][ T512] __kernfs_create_file+0x4a/0x270 [ 46.185296][ T512] cgroup_addrm_files+0xab8/0xfe0 [ 46.190702][ T512] ? ____kasan_kmalloc+0xdc/0x110 [ 46.195921][ T512] ? __kasan_kmalloc+0x9/0x10 [ 46.200845][ T512] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 46.207071][ T512] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 46.213600][ T512] ? delete_node+0x759/0x7b0 [ 46.218360][ T512] ? __kasan_check_read+0x11/0x20 [ 46.223766][ T512] ? delete_node+0x759/0x7b0 [ 46.228595][ T512] ? __kasan_check_write+0x14/0x20 [ 46.234122][ T512] ? idr_replace+0x1c4/0x230 [ 46.238793][ T512] ? idr_get_next+0x4b0/0x4b0 [ 46.243616][ T512] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.248803][ T512] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.253977][ T512] css_populate_dir+0x137/0x370 [ 46.258983][ T512] cgroup_apply_control_enable+0x8b9/0x12f0 [ 46.265193][ T512] cgroup_apply_control+0x93/0x710 [ 46.270557][ T512] ? css_next_child+0x160/0x160 [ 46.275390][ T512] ? io_schedule+0x120/0x120 [ 46.280074][ T512] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.286154][ T512] ? __kasan_check_write+0x14/0x20 [ 46.291632][ T512] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.297108][ T512] cgroup_subtree_control_write+0xd19/0x1310 [ 46.303244][ T512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.309635][ T512] ? __kasan_check_write+0x14/0x20 [ 46.314727][ T512] ? _copy_from_iter+0x3fb/0xd60 [ 46.319847][ T512] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.326110][ T512] cgroup_file_write+0x28e/0x590 [ 46.331024][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.336380][ T512] ? mutex_lock+0xa6/0x110 [ 46.340771][ T512] ? mutex_trylock+0xb0/0xb0 [ 46.345576][ T512] ? __kasan_check_write+0x14/0x20 [ 46.351638][ T512] kernfs_fop_write_iter+0x2d0/0x410 [ 46.357101][ T512] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.362465][ T512] vfs_write+0xc1c/0xf40 [ 46.366687][ T512] ? kernel_write+0x3c0/0x3c0 [ 46.371344][ T512] ? mutex_trylock+0xb0/0xb0 [ 46.375913][ T512] ? __fdget_pos+0x26d/0x310 [ 46.380477][ T512] ? ksys_write+0x77/0x2c0 [ 46.384869][ T512] ksys_write+0x198/0x2c0 [ 46.389474][ T512] ? __ia32_sys_read+0x90/0x90 [ 46.394423][ T512] ? debug_smp_processor_id+0x17/0x20 [ 46.400055][ T512] __x64_sys_write+0x7b/0x90 [ 46.404635][ T512] do_syscall_64+0x34/0x70 [ 46.409146][ T512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.415663][ T512] RIP: 0033:0x7f9f8374d0e9 [ 46.420694][ T512] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.443340][ T512] RSP: 002b:00007f9f836a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.451910][ T512] RAX: ffffffffffffffda RBX: 00007f9f83860030 RCX: 00007f9f8374d0e9 [ 46.461271][ T512] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.470128][ T512] RBP: 00007f9f836a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.480087][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.489954][ T512] R13: 00007ffe5c47fe2f R14: 00007f9f836a2300 R15: 0000000000022000 [ 46.500348][ T512] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 46.539419][ T515] FAULT_INJECTION: forcing a failure. [ 46.539419][ T515] name failslab, interval 1, probability 0, space 0, times 0 [ 46.552622][ T515] CPU: 0 PID: 515 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 46.564731][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.575672][ T515] Call Trace: [ 46.579304][ T515] dump_stack_lvl+0x1e2/0x24b [ 46.584174][ T515] ? panic+0x7d7/0x7d7 [ 46.588487][ T515] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.594059][ T515] ? find_next_bit+0xd6/0x120 [ 46.598899][ T515] ? cpumask_next+0x11/0x30 [ 46.606042][ T515] dump_stack+0x15/0x17 [ 46.610342][ T515] should_fail+0x3c0/0x510 [ 46.614921][ T515] ? percpu_ref_init+0xd0/0x330 [ 46.619763][ T515] __should_failslab+0x9f/0xe0 [ 46.624820][ T515] should_failslab+0x9/0x20 [ 46.629582][ T515] kmem_cache_alloc_trace+0x3a/0x330 [ 46.635315][ T515] percpu_ref_init+0xd0/0x330 [ 46.640136][ T515] ? cgroup_setup_root+0xea0/0xea0 [ 46.645638][ T515] cgroup_apply_control_enable+0x3a2/0x12f0 [ 46.652596][ T515] cgroup_apply_control+0x93/0x710 [ 46.657892][ T515] ? css_next_child+0x160/0x160 [ 46.663285][ T515] ? release_task_stack+0x4c2/0x660 [ 46.668466][ T515] ? io_schedule+0x120/0x120 [ 46.673379][ T515] ? kernfs_fop_write_iter+0x15e/0x410 [ 46.678905][ T515] ? __kasan_check_write+0x14/0x20 [ 46.684399][ T515] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 46.690118][ T515] cgroup_subtree_control_write+0xd19/0x1310 [ 46.696171][ T515] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.702489][ T515] ? __kasan_check_write+0x14/0x20 [ 46.707963][ T515] ? _copy_from_iter+0x3fb/0xd60 [ 46.713042][ T515] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 46.719190][ T515] cgroup_file_write+0x28e/0x590 [ 46.724892][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.730287][ T515] ? mutex_lock+0xa6/0x110 [ 46.735033][ T515] ? mutex_trylock+0xb0/0xb0 [ 46.739723][ T515] ? __kasan_check_write+0x14/0x20 [ 46.745087][ T515] kernfs_fop_write_iter+0x2d0/0x410 [ 46.750486][ T515] ? cgroup_seqfile_stop+0xc0/0xc0 [ 46.756332][ T515] vfs_write+0xc1c/0xf40 [ 46.760648][ T515] ? kernel_write+0x3c0/0x3c0 [ 46.765486][ T515] ? mutex_trylock+0xb0/0xb0 [ 46.770220][ T515] ? __fdget_pos+0x26d/0x310 [ 46.774877][ T515] ? ksys_write+0x77/0x2c0 [ 46.779745][ T515] ksys_write+0x198/0x2c0 [ 46.784785][ T515] ? __ia32_sys_read+0x90/0x90 [ 46.789937][ T515] ? debug_smp_processor_id+0x17/0x20 [ 46.795740][ T515] __x64_sys_write+0x7b/0x90 [ 46.801052][ T515] do_syscall_64+0x34/0x70 [ 46.805718][ T515] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.811768][ T515] RIP: 0033:0x7fc5d50480e9 [ 46.816504][ T515] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.836972][ T515] RSP: 002b:00007fc5d4f9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.845801][ T515] RAX: ffffffffffffffda RBX: 00007fc5d515b030 RCX: 00007fc5d50480e9 [ 46.854081][ T515] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 46.862305][ T515] RBP: 00007fc5d4f9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.870429][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.878706][ T515] R13: 00007fff7529f60f R14: 00007fc5d4f9d300 R15: 0000000000022000 [ 46.889299][ T430] ------------[ cut here ]------------ [ 46.895374][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 46.904784][ T430] Modules linked in: [ 46.908799][ T430] CPU: 0 PID: 430 Comm: syz-executor.5 Not tainted 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 46.920143][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.930393][ T430] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 46.936391][ T430] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 46.956533][ T430] RSP: 0018:ffffc90000f67ba0 EFLAGS: 00010293 [ 46.964039][ T430] RAX: ffffffff81b6928a RBX: 00000000fffffffe RCX: ffff88810c1693c0 [ 46.972140][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 46.980426][ T430] RBP: ffffc90000f67c70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 46.988598][ T430] R10: fffff520001ecf65 R11: 1ffff920001ecf64 R12: dffffc0000000000 [ 46.996816][ T430] R13: ffff888110b35340 R14: ffffc90000f67c00 R15: 1ffff920001ecf7c [ 47.004924][ T430] FS: 0000555556956400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 47.014310][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.021001][ T430] CR2: 00007fff7529df98 CR3: 000000011ea3d000 CR4: 00000000003506b0 [ 47.029390][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.037635][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.045938][ T430] Call Trace: [ 47.049368][ T430] ? io_schedule+0x120/0x120 [ 47.054061][ T430] ? vfs_submount+0xb0/0xb0 [ 47.058741][ T430] ? shrink_dentry_list+0x4ec/0x500 [ 47.064102][ T430] namespace_unlock+0x448/0x4f0 [ 47.069567][ T430] ? umount_tree+0xf50/0xf50 [ 47.075296][ T430] ? __detach_mounts+0x670/0x670 [ 47.080848][ T430] ? selinux_umount+0xf0/0x130 [ 47.085952][ T430] path_umount+0xf03/0xfb0 [ 47.090620][ T430] ? namespace_unlock+0x4f0/0x4f0 [ 47.095966][ T430] ? user_path_at_empty+0x40/0x50 [ 47.101588][ T430] __x64_sys_umount+0x122/0x170 [ 47.106982][ T430] ? path_umount+0xfb0/0xfb0 [ 47.111858][ T430] ? debug_smp_processor_id+0x17/0x20 [ 47.117326][ T430] do_syscall_64+0x34/0x70 [ 47.121846][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.128030][ T430] RIP: 0033:0x7fc5d5049557 [ 47.132481][ T430] 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 [ 47.154037][ T430] RSP: 002b:00007fff7529e768 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 47.163146][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5d5049557 [ 47.171409][ T430] RDX: 00007fff7529e839 RSI: 000000000000000a RDI: 00007fff7529e830 [ 47.179486][ T430] RBP: 00007fff7529e830 R08: 00000000ffffffff R09: 00007fff7529e600 [ 47.188266][ T430] R10: 0000555556957ba3 R11: 0000000000000246 R12: 00007fc5d50a11f8 [ 47.196596][ T430] R13: 00007fff7529f8f0 R14: 0000555556957b00 R15: 00007fff7529f930 [ 47.205445][ T430] ---[ end trace b6358a86ae17d042 ]--- [ 47.211504][ T430] ------------[ cut here ]------------ [ 47.217584][ T430] WARNING: CPU: 1 PID: 430 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 47.227037][ T430] Modules linked in: [ 47.231050][ T430] CPU: 1 PID: 430 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 47.243443][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.254975][ T430] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 47.261560][ T430] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 47.282497][ T430] RSP: 0018:ffffc90000f67ca0 EFLAGS: 00010293 [ 47.288784][ T430] RAX: ffffffff81b6928a RBX: 00000000fffffffd RCX: ffff88810c1693c0 [ 47.296746][ T430] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 47.304931][ T430] RBP: ffffc90000f67d70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 47.313727][ T430] R10: fffff520001ecf85 R11: 1ffff920001ecf84 R12: dffffc0000000000 [ 47.322019][ T430] R13: ffff888110b35340 R14: ffffc90000f67d00 R15: 1ffff920001ecf9c [ 47.330132][ T430] FS: 0000555556956400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.339764][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.346507][ T430] CR2: 0000555556bde3b8 CR3: 000000011ea3d000 CR4: 00000000003506a0 [ 47.354706][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.358948][ T505] FAULT_INJECTION: forcing a failure. [ 47.358948][ T505] name failslab, interval 1, probability 0, space 0, times 0 [ 47.363210][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.363221][ T430] Call Trace: [ 47.388539][ T430] ? lockref_get_or_lock+0x340/0x340 [ 47.390379][ T505] CPU: 0 PID: 505 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 47.394048][ T430] ? umount_tree+0xf50/0xf50 [ 47.406398][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.406402][ T505] Call Trace: [ 47.406414][ T505] dump_stack_lvl+0x1e2/0x24b [ 47.406427][ T505] ? panic+0x7d7/0x7d7 [ 47.411104][ T430] ? vfs_submount+0xb0/0xb0 [ 47.421224][ T505] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.421234][ T505] ? find_next_bit+0xd6/0x120 [ 47.421242][ T505] ? cpumask_next+0x11/0x30 [ 47.421257][ T505] dump_stack+0x15/0x17 [ 47.424530][ T430] ? dput+0x2b6/0x320 [ 47.429363][ T505] should_fail+0x3c0/0x510 [ 47.429371][ T505] ? percpu_ref_init+0xd0/0x330 [ 47.429380][ T505] __should_failslab+0x9f/0xe0 [ 47.429396][ T505] should_failslab+0x9/0x20 [ 47.433826][ T430] path_umount+0x1fe/0xfb0 [ 47.438781][ T505] kmem_cache_alloc_trace+0x3a/0x330 [ 47.438792][ T505] percpu_ref_init+0xd0/0x330 [ 47.438800][ T505] ? cgroup_setup_root+0xea0/0xea0 [ 47.438828][ T505] cgroup_apply_control_enable+0x3a2/0x12f0 [ 47.446508][ T430] ? namespace_unlock+0x4f0/0x4f0 [ 47.451414][ T505] cgroup_apply_control+0x93/0x710 [ 47.451423][ T505] ? css_next_child+0x160/0x160 [ 47.451432][ T505] ? release_task_stack+0x4c2/0x660 [ 47.451440][ T505] ? io_schedule+0x120/0x120 [ 47.451454][ T505] ? kernfs_fop_write_iter+0x15e/0x410 [ 47.456047][ T430] ? user_path_at_empty+0x40/0x50 [ 47.460814][ T505] ? __kasan_check_write+0x14/0x20 [ 47.460825][ T505] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 47.460833][ T505] cgroup_subtree_control_write+0xd19/0x1310 [ 47.460851][ T505] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.464999][ T430] __x64_sys_umount+0x122/0x170 [ 47.469597][ T505] ? __kasan_check_write+0x14/0x20 [ 47.469609][ T505] ? _copy_from_iter+0x3fb/0xd60 [ 47.469617][ T505] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 47.469635][ T505] cgroup_file_write+0x28e/0x590 [ 47.475949][ T430] ? path_umount+0xfb0/0xfb0 [ 47.480763][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.480773][ T505] ? mutex_lock+0xa6/0x110 [ 47.480786][ T505] ? mutex_trylock+0xb0/0xb0 [ 47.485798][ T430] ? debug_smp_processor_id+0x17/0x20 [ 47.490901][ T505] ? __kasan_check_write+0x14/0x20 [ 47.490910][ T505] kernfs_fop_write_iter+0x2d0/0x410 [ 47.490919][ T505] ? cgroup_seqfile_stop+0xc0/0xc0 [ 47.490951][ T505] vfs_write+0xc1c/0xf40 [ 47.490967][ T505] ? kernel_write+0x3c0/0x3c0 [ 47.496751][ T430] do_syscall_64+0x34/0x70 [ 47.501568][ T505] ? mutex_trylock+0xb0/0xb0 [ 47.501577][ T505] ? __fdget_pos+0x26d/0x310 [ 47.501588][ T505] ? ksys_write+0x77/0x2c0 [ 47.507823][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.513786][ T505] ksys_write+0x198/0x2c0 [ 47.513802][ T505] ? __ia32_sys_read+0x90/0x90 [ 47.513821][ T505] ? debug_smp_processor_id+0x17/0x20 [ 47.518937][ T430] RIP: 0033:0x7fc5d5049557 [ 47.525260][ T505] __x64_sys_write+0x7b/0x90 [ 47.530547][ T430] 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 [ 47.536766][ T505] do_syscall_64+0x34/0x70 [ 47.541539][ T430] RSP: 002b:00007fff7529e768 EFLAGS: 00000246 [ 47.547659][ T505] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.552874][ T430] ORIG_RAX: 00000000000000a6 [ 47.558402][ T505] RIP: 0033:0x7f9c266c00e9 [ 47.565505][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5d5049557 [ 47.571968][ 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 [ 47.571981][ T505] RSP: 002b:00007f9c26615168 EFLAGS: 00000246 [ 47.579594][ T430] RDX: 00007fff7529e839 RSI: 000000000000000a RDI: 00007fff7529e830 [ 47.584776][ T505] ORIG_RAX: 0000000000000001 [ 47.590351][ T430] RBP: 00007fff7529e830 R08: 00000000ffffffff R09: 00007fff7529e600 [ 47.595422][ T505] RAX: ffffffffffffffda RBX: 00007f9c267d3030 RCX: 00007f9c266c00e9 [ 47.601695][ T430] R10: 0000555556957ba3 R11: 0000000000000246 R12: 00007fc5d50a11f8 [ 47.606613][ T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/06/08 02:00:17 executed programs: 28 [ 47.611218][ T430] R13: 00007fff7529f8f0 R14: 0000555556957b00 R15: 00007fff7529f930 [ 47.616412][ T505] RBP: 00007f9c266151d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.621185][ T430] ---[ end trace b6358a86ae17d043 ]--- [ 47.626109][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.626124][ T505] R13: 00007fff6bd5793f R14: 00007f9c26615300 R15: 0000000000022000 [ 47.979374][ T517] FAULT_INJECTION: forcing a failure. [ 47.979374][ T517] name failslab, interval 1, probability 0, space 0, times 0 [ 47.993025][ T517] CPU: 0 PID: 517 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 48.005615][ T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.016104][ T517] Call Trace: [ 48.019405][ T517] dump_stack_lvl+0x1e2/0x24b [ 48.024172][ T517] ? panic+0x7d7/0x7d7 [ 48.028595][ T517] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.034242][ T517] ? find_next_bit+0xd6/0x120 [ 48.039137][ T517] ? cpumask_next+0x11/0x30 [ 48.044467][ T517] dump_stack+0x15/0x17 [ 48.048711][ T517] should_fail+0x3c0/0x510 [ 48.053157][ T517] ? percpu_ref_init+0xd0/0x330 [ 48.058355][ T517] __should_failslab+0x9f/0xe0 [ 48.063506][ T517] should_failslab+0x9/0x20 [ 48.068097][ T517] kmem_cache_alloc_trace+0x3a/0x330 [ 48.073674][ T517] percpu_ref_init+0xd0/0x330 [ 48.078733][ T517] ? cgroup_setup_root+0xea0/0xea0 [ 48.084028][ T517] cgroup_apply_control_enable+0x3a2/0x12f0 [ 48.090189][ T517] cgroup_apply_control+0x93/0x710 [ 48.095277][ T517] ? css_next_child+0x160/0x160 [ 48.100317][ T517] ? io_schedule+0x120/0x120 [ 48.105721][ T517] ? kernfs_fop_write_iter+0x15e/0x410 [ 48.111452][ T517] ? __kasan_check_write+0x14/0x20 [ 48.116927][ T517] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 48.122311][ T517] cgroup_subtree_control_write+0xd19/0x1310 [ 48.128654][ T517] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.135029][ T517] ? __kasan_check_write+0x14/0x20 [ 48.141609][ T517] ? _copy_from_iter+0x3fb/0xd60 [ 48.147178][ T517] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 48.153514][ T517] cgroup_file_write+0x28e/0x590 [ 48.158916][ T517] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.164823][ T517] ? mutex_lock+0xa6/0x110 [ 48.169545][ T517] ? mutex_trylock+0xb0/0xb0 [ 48.174513][ T517] ? __kasan_check_write+0x14/0x20 [ 48.179793][ T517] kernfs_fop_write_iter+0x2d0/0x410 [ 48.185933][ T517] ? cgroup_seqfile_stop+0xc0/0xc0 [ 48.191199][ T517] vfs_write+0xc1c/0xf40 [ 48.195597][ T517] ? kernel_write+0x3c0/0x3c0 [ 48.200784][ T517] ? mutex_trylock+0xb0/0xb0 [ 48.205810][ T517] ? __fdget_pos+0x26d/0x310 [ 48.210583][ T517] ? ksys_write+0x77/0x2c0 [ 48.215256][ T517] ksys_write+0x198/0x2c0 [ 48.220494][ T517] ? __ia32_sys_read+0x90/0x90 [ 48.226115][ T517] ? debug_smp_processor_id+0x17/0x20 [ 48.232693][ T517] __x64_sys_write+0x7b/0x90 [ 48.237741][ T517] do_syscall_64+0x34/0x70 [ 48.242528][ T517] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.249394][ T517] RIP: 0033:0x7f6d6cf380e9 [ 48.254564][ T517] 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 [ 48.275283][ T517] RSP: 002b:00007f6d6ceae168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.284315][ T517] RAX: ffffffffffffffda RBX: 00007f6d6d04af60 RCX: 00007f6d6cf380e9 [ 48.293405][ T517] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 48.302337][ T517] RBP: 00007f6d6ceae1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.310822][ T517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.319659][ T517] R13: 00007ffe58312cef R14: 00007f6d6ceae300 R15: 0000000000022000 [ 48.330158][ T427] ------------[ cut here ]------------ [ 48.336079][ T427] WARNING: CPU: 0 PID: 427 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 48.345823][ T427] Modules linked in: [ 48.349837][ T427] CPU: 0 PID: 427 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 48.362577][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.373695][ T427] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 48.380283][ T427] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 48.401583][ T427] RSP: 0018:ffffc90000f37ba0 EFLAGS: 00010293 [ 48.408504][ T427] RAX: ffffffff81b6928a RBX: 00000000ffffffff RCX: ffff88810c252780 [ 48.417052][ T427] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 [ 48.426948][ T427] RBP: ffffc90000f37c70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 48.435736][ T427] R10: fffff520001e6f65 R11: 1ffff920001e6f64 R12: dffffc0000000000 [ 48.445130][ T427] R13: ffff888111b07180 R14: ffffc90000f37c00 R15: 1ffff920001e6f7c [ 48.453759][ T427] FS: 0000555556d04400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 48.463988][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.471074][ T427] CR2: 0000555556d0db38 CR3: 0000000117bfd000 CR4: 00000000003506b0 [ 48.480157][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.489983][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.498998][ T427] Call Trace: [ 48.502671][ T427] ? io_schedule+0x120/0x120 [ 48.507905][ T427] ? vfs_submount+0xb0/0xb0 [ 48.513961][ T427] ? shrink_dentry_list+0x4ec/0x500 [ 48.519468][ T427] namespace_unlock+0x448/0x4f0 [ 48.524755][ T427] ? umount_tree+0xf50/0xf50 [ 48.529733][ T427] ? __detach_mounts+0x670/0x670 [ 48.535642][ T427] ? selinux_umount+0xf0/0x130 [ 48.540877][ T427] path_umount+0xf03/0xfb0 [ 48.545634][ T427] ? namespace_unlock+0x4f0/0x4f0 [ 48.550789][ T427] ? user_path_at_empty+0x40/0x50 [ 48.556348][ T427] __x64_sys_umount+0x122/0x170 [ 48.563849][ T427] ? path_umount+0xfb0/0xfb0 [ 48.568882][ T427] ? debug_smp_processor_id+0x17/0x20 [ 48.574420][ T427] do_syscall_64+0x34/0x70 [ 48.579336][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.585860][ T427] RIP: 0033:0x7f6d6cf39557 [ 48.590500][ T427] 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 [ 48.611731][ T427] RSP: 002b:00007ffe58311e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.621508][ T427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d6cf39557 [ 48.630048][ T427] RDX: 00007ffe58311f19 RSI: 000000000000000a RDI: 00007ffe58311f10 [ 48.638847][ T427] RBP: 00007ffe58311f10 R08: 00000000ffffffff R09: 00007ffe58311ce0 [ 48.647328][ T427] R10: 0000555556d05ba3 R11: 0000000000000246 R12: 00007f6d6cf911f8 [ 48.656297][ T427] R13: 00007ffe58312fd0 R14: 0000555556d05b00 R15: 00007ffe58313010 [ 48.665422][ T427] ---[ end trace b6358a86ae17d044 ]--- [ 48.671086][ T427] ------------[ cut here ]------------ [ 48.676741][ T427] WARNING: CPU: 0 PID: 427 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 48.685994][ T427] Modules linked in: [ 48.690060][ T427] CPU: 0 PID: 427 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 48.702601][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.713033][ T427] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 48.718855][ T427] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 48.740121][ T427] RSP: 0018:ffffc90000f37ca0 EFLAGS: 00010293 [ 48.746893][ T427] RAX: ffffffff81b6928a RBX: 00000000fffffffe RCX: ffff88810c252780 [ 48.755369][ T427] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 48.763994][ T427] RBP: ffffc90000f37d70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 48.772259][ T427] R10: fffff520001e6f85 R11: 1ffff920001e6f84 R12: dffffc0000000000 [ 48.781390][ T427] R13: ffff888111b07180 R14: ffffc90000f37d00 R15: 1ffff920001e6f9c [ 48.789718][ T427] FS: 0000555556d04400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 48.799102][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.806316][ T427] CR2: 0000555556d0db38 CR3: 0000000117bfd000 CR4: 00000000003506b0 [ 48.815096][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.823273][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.831615][ T427] Call Trace: [ 48.849692][ T427] ? lockref_get_or_lock+0x340/0x340 [ 48.855757][ T427] ? umount_tree+0xf50/0xf50 [ 48.860980][ T427] ? vfs_submount+0xb0/0xb0 [ 48.865836][ T427] ? dput+0x2b6/0x320 [ 48.869928][ T427] path_umount+0x1fe/0xfb0 [ 48.874536][ T427] ? namespace_unlock+0x4f0/0x4f0 [ 48.879847][ T427] ? user_path_at_empty+0x40/0x50 [ 48.885032][ T427] __x64_sys_umount+0x122/0x170 [ 48.890156][ T427] ? path_umount+0xfb0/0xfb0 [ 48.894850][ T427] ? debug_smp_processor_id+0x17/0x20 [ 48.900533][ T427] do_syscall_64+0x34/0x70 [ 48.905219][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.911735][ T427] RIP: 0033:0x7f6d6cf39557 [ 48.916326][ T427] 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 [ 48.936372][ T427] RSP: 002b:00007ffe58311e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 48.945502][ T427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d6cf39557 [ 48.953597][ T427] RDX: 00007ffe58311f19 RSI: 000000000000000a RDI: 00007ffe58311f10 [ 48.961977][ T427] RBP: 00007ffe58311f10 R08: 00000000ffffffff R09: 00007ffe58311ce0 [ 48.971245][ T427] R10: 0000555556d05ba3 R11: 0000000000000246 R12: 00007f6d6cf911f8 [ 48.980247][ T427] R13: 00007ffe58312fd0 R14: 0000555556d05b00 R15: 00007ffe58313010 [ 48.988957][ T427] ---[ end trace b6358a86ae17d045 ]--- [ 48.994917][ T507] FAULT_INJECTION: forcing a failure. [ 48.994917][ T507] name failslab, interval 1, probability 0, space 0, times 0 [ 49.008908][ T507] CPU: 0 PID: 507 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 49.021473][ T507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.033235][ T507] Call Trace: [ 49.037162][ T507] dump_stack_lvl+0x1e2/0x24b [ 49.042335][ T507] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.048140][ T507] ? selinux_kernfs_init_security+0x1a8/0x760 [ 49.054745][ T507] dump_stack+0x15/0x17 [ 49.060275][ T507] should_fail+0x3c0/0x510 [ 49.064933][ T507] ? __kernfs_new_node+0x99/0x6e0 [ 49.070177][ T507] __should_failslab+0x9f/0xe0 [ 49.076666][ T507] should_failslab+0x9/0x20 [ 49.083856][ T507] __kmalloc_track_caller+0x5f/0x350 [ 49.089946][ T507] kstrdup_const+0x55/0x90 [ 49.096097][ T507] __kernfs_new_node+0x99/0x6e0 [ 49.101211][ T507] ? is_module_text_address+0xe1/0x140 [ 49.107339][ T507] ? kernfs_new_node+0x170/0x170 [ 49.112311][ T507] ? ptr_to_hashval+0x60/0x60 [ 49.117503][ T507] ? arch_stack_walk+0xf8/0x140 [ 49.122693][ T507] ? snprintf+0xd6/0x120 [ 49.127224][ T507] kernfs_new_node+0x97/0x170 [ 49.132015][ T507] __kernfs_create_file+0x4a/0x270 [ 49.137532][ T507] cgroup_addrm_files+0xab8/0xfe0 [ 49.142559][ T507] ? ____kasan_kmalloc+0xdc/0x110 [ 49.148166][ T507] ? __kasan_kmalloc+0x9/0x10 [ 49.153503][ T507] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 49.159629][ T507] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 49.165934][ T507] ? delete_node+0x759/0x7b0 [ 49.170895][ T507] ? __kasan_check_read+0x11/0x20 [ 49.177203][ T507] ? delete_node+0x759/0x7b0 [ 49.181902][ T507] ? __kasan_check_write+0x14/0x20 [ 49.187001][ T507] ? idr_replace+0x1c4/0x230 [ 49.191845][ T507] ? idr_get_next+0x4b0/0x4b0 [ 49.196677][ T507] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.201856][ T507] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.207433][ T507] css_populate_dir+0x137/0x370 [ 49.212278][ T507] cgroup_apply_control_enable+0x8b9/0x12f0 [ 49.218505][ T507] cgroup_apply_control+0x93/0x710 [ 49.224315][ T507] ? css_next_child+0x160/0x160 [ 49.229422][ T507] ? io_schedule+0x120/0x120 [ 49.234213][ T507] ? kernfs_fop_write_iter+0x15e/0x410 [ 49.239986][ T507] ? __kasan_check_write+0x14/0x20 [ 49.245338][ T507] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 49.250753][ T507] cgroup_subtree_control_write+0xd19/0x1310 [ 49.256714][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.262848][ T507] ? __kasan_check_write+0x14/0x20 [ 49.270922][ T507] ? _copy_from_iter+0x3fb/0xd60 [ 49.276301][ T507] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 49.282440][ T507] cgroup_file_write+0x28e/0x590 [ 49.287588][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.292677][ T507] ? mutex_lock+0xa6/0x110 [ 49.297418][ T507] ? mutex_trylock+0xb0/0xb0 [ 49.301985][ T507] ? __kasan_check_write+0x14/0x20 [ 49.307069][ T507] kernfs_fop_write_iter+0x2d0/0x410 [ 49.312507][ T507] ? cgroup_seqfile_stop+0xc0/0xc0 [ 49.317783][ T507] vfs_write+0xc1c/0xf40 [ 49.323242][ T507] ? kernel_write+0x3c0/0x3c0 [ 49.327913][ T507] ? mutex_trylock+0xb0/0xb0 [ 49.333002][ T507] ? __fdget_pos+0x26d/0x310 [ 49.337832][ T507] ? ksys_write+0x77/0x2c0 [ 49.342350][ T507] ksys_write+0x198/0x2c0 [ 49.346860][ T507] ? __ia32_sys_read+0x90/0x90 [ 49.351605][ T507] ? debug_smp_processor_id+0x17/0x20 [ 49.357218][ T507] __x64_sys_write+0x7b/0x90 [ 49.361930][ T507] do_syscall_64+0x34/0x70 [ 49.366341][ T507] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.372384][ T507] RIP: 0033:0x7f4e676240e9 [ 49.377210][ 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 [ 49.398302][ T507] RSP: 002b:00007f4e6759a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.408146][ T507] RAX: ffffffffffffffda RBX: 00007f4e67736f60 RCX: 00007f4e676240e9 [ 49.416563][ T507] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.425218][ T507] RBP: 00007f4e6759a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.434624][ T507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.443983][ T507] R13: 00007ffde41c443f R14: 00007f4e6759a300 R15: 0000000000022000 [ 49.452863][ T507] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 49.461228][ T431] ------------[ cut here ]------------ [ 49.466956][ T431] WARNING: CPU: 0 PID: 431 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 49.475932][ T431] Modules linked in: [ 49.480118][ T431] CPU: 0 PID: 431 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 49.493213][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.503901][ T431] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 49.509909][ T431] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 49.530351][ T431] RSP: 0018:ffffc90000f77ba0 EFLAGS: 00010293 [ 49.537333][ T431] RAX: ffffffff81b6928a RBX: 00000000fffffffd RCX: ffff88810c16a780 [ 49.546383][ T431] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000 [ 49.555221][ T431] RBP: ffffc90000f77c70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 49.563439][ T431] R10: fffff520001eef65 R11: 1ffff920001eef64 R12: dffffc0000000000 [ 49.571528][ T431] R13: ffff888110b34700 R14: ffffc90000f77c00 R15: 1ffff920001eef7c [ 49.580243][ T431] FS: 0000555556ecf400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 49.589641][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.597904][ T431] CR2: 00007ffde41c2e58 CR3: 0000000117b53000 CR4: 00000000003506b0 [ 49.606159][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.614959][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.624503][ T431] Call Trace: [ 49.627910][ T431] ? io_schedule+0x120/0x120 [ 49.632705][ T431] ? vfs_submount+0xb0/0xb0 [ 49.637280][ T431] ? shrink_dentry_list+0x4ec/0x500 [ 49.642625][ T431] namespace_unlock+0x448/0x4f0 [ 49.647566][ T431] ? umount_tree+0xf50/0xf50 [ 49.652342][ T431] ? __detach_mounts+0x670/0x670 [ 49.657376][ T431] ? selinux_umount+0xf0/0x130 [ 49.662240][ T431] path_umount+0xf03/0xfb0 [ 49.666998][ T431] ? namespace_unlock+0x4f0/0x4f0 [ 49.672467][ T431] ? user_path_at_empty+0x40/0x50 [ 49.677621][ T431] __x64_sys_umount+0x122/0x170 [ 49.682582][ T431] ? path_umount+0xfb0/0xfb0 [ 49.687353][ T431] ? debug_smp_processor_id+0x17/0x20 [ 49.692972][ T431] do_syscall_64+0x34/0x70 [ 49.697903][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.703818][ T431] RIP: 0033:0x7f4e67625557 [ 49.708390][ T431] 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 [ 49.730072][ T431] RSP: 002b:00007ffde41c3598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 49.740086][ T431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e67625557 [ 49.748528][ T431] RDX: 00007ffde41c3669 RSI: 000000000000000a RDI: 00007ffde41c3660 [ 49.757838][ T431] RBP: 00007ffde41c3660 R08: 00000000ffffffff R09: 00007ffde41c3430 [ 49.766282][ T431] R10: 0000555556ed0ba3 R11: 0000000000000246 R12: 00007f4e6767d1f8 [ 49.774733][ T431] R13: 00007ffde41c4720 R14: 0000555556ed0b00 R15: 00007ffde41c4760 [ 49.783840][ T431] ---[ end trace b6358a86ae17d046 ]--- [ 49.789872][ T431] ------------[ cut here ]------------ [ 49.796040][ T431] WARNING: CPU: 0 PID: 431 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 49.805663][ T431] Modules linked in: [ 49.810141][ T431] CPU: 0 PID: 431 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 49.823765][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.834351][ T431] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 49.840434][ T431] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 49.860516][ T431] RSP: 0018:ffffc90000f77ca0 EFLAGS: 00010293 [ 49.866585][ T431] RAX: ffffffff81b6928a RBX: 00000000fffffffc RCX: ffff88810c16a780 [ 49.874857][ T431] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000 [ 49.883350][ T431] RBP: ffffc90000f77d70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 49.891563][ T431] R10: fffff520001eef85 R11: 1ffff920001eef84 R12: dffffc0000000000 [ 49.899542][ T431] R13: ffff888110b34700 R14: ffffc90000f77d00 R15: 1ffff920001eef9c [ 49.907498][ T431] FS: 0000555556ecf400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 49.917135][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.923732][ T431] CR2: 00007ffde41c2e58 CR3: 0000000117b53000 CR4: 00000000003506b0 [ 49.931729][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.939719][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.948281][ T431] Call Trace: [ 49.951600][ T431] ? lockref_get_or_lock+0x340/0x340 [ 49.957310][ T431] ? umount_tree+0xf50/0xf50 [ 49.961915][ T431] ? vfs_submount+0xb0/0xb0 [ 49.966512][ T431] ? dput+0x2b6/0x320 [ 49.971274][ T431] path_umount+0x1fe/0xfb0 [ 49.975702][ T431] ? namespace_unlock+0x4f0/0x4f0 [ 49.981098][ T431] ? user_path_at_empty+0x40/0x50 [ 49.986212][ T431] __x64_sys_umount+0x122/0x170 [ 49.991304][ T431] ? path_umount+0xfb0/0xfb0 [ 49.996066][ T431] ? debug_smp_processor_id+0x17/0x20 [ 50.002543][ T431] do_syscall_64+0x34/0x70 [ 50.006976][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.013016][ T431] RIP: 0033:0x7f4e67625557 [ 50.017609][ T431] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.038727][ T431] RSP: 002b:00007ffde41c3598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 50.048085][ T431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e67625557 [ 50.056160][ T431] RDX: 00007ffde41c3669 RSI: 000000000000000a RDI: 00007ffde41c3660 [ 50.064222][ T431] RBP: 00007ffde41c3660 R08: 00000000ffffffff R09: 00007ffde41c3430 [ 50.072473][ T431] R10: 0000555556ed0ba3 R11: 0000000000000246 R12: 00007f4e6767d1f8 [ 50.081029][ T431] R13: 00007ffde41c4720 R14: 0000555556ed0b00 R15: 00007ffde41c4760 [ 50.089039][ T431] ---[ end trace b6358a86ae17d047 ]--- [ 50.095218][ T520] FAULT_INJECTION: forcing a failure. [ 50.095218][ T520] name failslab, interval 1, probability 0, space 0, times 0 [ 50.108239][ T520] CPU: 0 PID: 520 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 50.120904][ T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.131292][ T520] Call Trace: [ 50.134682][ T520] dump_stack_lvl+0x1e2/0x24b [ 50.139702][ T520] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.145317][ T520] ? selinux_kernfs_init_security+0x1a8/0x760 [ 50.151659][ T520] dump_stack+0x15/0x17 [ 50.155793][ T520] should_fail+0x3c0/0x510 [ 50.160407][ T520] ? __kernfs_new_node+0x99/0x6e0 [ 50.165667][ T520] __should_failslab+0x9f/0xe0 [ 50.170681][ T520] should_failslab+0x9/0x20 [ 50.175268][ T520] __kmalloc_track_caller+0x5f/0x350 [ 50.181069][ T520] kstrdup_const+0x55/0x90 [ 50.185612][ T520] __kernfs_new_node+0x99/0x6e0 [ 50.190822][ T520] ? is_module_text_address+0xe1/0x140 [ 50.196273][ T520] ? kernfs_new_node+0x170/0x170 [ 50.201287][ T520] ? ptr_to_hashval+0x60/0x60 [ 50.206198][ T520] ? arch_stack_walk+0xf8/0x140 [ 50.211212][ T520] ? snprintf+0xd6/0x120 [ 50.215618][ T520] kernfs_new_node+0x97/0x170 [ 50.220731][ T520] __kernfs_create_file+0x4a/0x270 [ 50.226329][ T520] cgroup_addrm_files+0xab8/0xfe0 [ 50.231656][ T520] ? ____kasan_kmalloc+0xdc/0x110 [ 50.237402][ T520] ? __kasan_kmalloc+0x9/0x10 [ 50.242392][ T520] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 50.248600][ T520] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 50.255096][ T520] ? delete_node+0x759/0x7b0 [ 50.260153][ T520] ? __kasan_check_read+0x11/0x20 [ 50.265609][ T520] ? delete_node+0x759/0x7b0 [ 50.270467][ T520] ? __kasan_check_write+0x14/0x20 [ 50.276112][ T520] ? idr_replace+0x1c4/0x230 [ 50.281331][ T520] ? idr_get_next+0x4b0/0x4b0 [ 50.286365][ T520] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 50.293143][ T520] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.298959][ T520] css_populate_dir+0x137/0x370 [ 50.303821][ T520] cgroup_apply_control_enable+0x8b9/0x12f0 [ 50.309706][ T520] cgroup_apply_control+0x93/0x710 [ 50.315327][ T520] ? css_next_child+0x160/0x160 [ 50.320479][ T520] ? io_schedule+0x120/0x120 [ 50.325153][ T520] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.331145][ T520] ? __kasan_check_write+0x14/0x20 [ 50.336758][ T520] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.342269][ T520] cgroup_subtree_control_write+0xd19/0x1310 [ 50.348421][ T520] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.354686][ T520] ? __kasan_check_write+0x14/0x20 [ 50.360141][ T520] ? _copy_from_iter+0x3fb/0xd60 [ 50.365078][ T520] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.371064][ T520] cgroup_file_write+0x28e/0x590 [ 50.376326][ T520] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.382149][ T520] ? mutex_lock+0xa6/0x110 [ 50.388046][ T520] ? mutex_trylock+0xb0/0xb0 [ 50.392896][ T520] ? __kasan_check_write+0x14/0x20 [ 50.398719][ T520] kernfs_fop_write_iter+0x2d0/0x410 [ 50.404255][ T520] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.409584][ T520] vfs_write+0xc1c/0xf40 [ 50.414662][ T520] ? kernel_write+0x3c0/0x3c0 [ 50.419510][ T520] ? mutex_trylock+0xb0/0xb0 [ 50.424187][ T520] ? __fdget_pos+0x26d/0x310 [ 50.429044][ T520] ? ksys_write+0x77/0x2c0 [ 50.434242][ T520] ksys_write+0x198/0x2c0 [ 50.438870][ T520] ? __ia32_sys_read+0x90/0x90 [ 50.443845][ T520] ? debug_smp_processor_id+0x17/0x20 [ 50.450329][ T520] __x64_sys_write+0x7b/0x90 [ 50.455527][ T520] do_syscall_64+0x34/0x70 [ 50.460336][ T520] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.466910][ T520] RIP: 0033:0x7f9f8374d0e9 [ 50.471802][ T520] 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 [ 50.492704][ T520] RSP: 002b:00007f9f836a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.501836][ T520] RAX: ffffffffffffffda RBX: 00007f9f83860030 RCX: 00007f9f8374d0e9 [ 50.510271][ T520] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 50.519670][ T520] RBP: 00007f9f836a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.528429][ T520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.536857][ T520] R13: 00007ffe5c47fe2f R14: 00007f9f836a2300 R15: 0000000000022000 [ 50.545845][ T520] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 50.589097][ T501] FAULT_INJECTION: forcing a failure. [ 50.589097][ T501] name failslab, interval 1, probability 0, space 0, times 0 [ 50.601871][ T501] CPU: 0 PID: 501 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 50.614192][ T501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.624248][ T501] Call Trace: [ 50.627529][ T501] dump_stack_lvl+0x1e2/0x24b [ 50.632908][ T501] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.638759][ T501] ? selinux_kernfs_init_security+0x1a8/0x760 [ 50.645248][ T501] dump_stack+0x15/0x17 [ 50.649400][ T501] should_fail+0x3c0/0x510 [ 50.654398][ T501] ? __kernfs_new_node+0x99/0x6e0 [ 50.660205][ T501] __should_failslab+0x9f/0xe0 [ 50.665279][ T501] should_failslab+0x9/0x20 [ 50.670049][ T501] __kmalloc_track_caller+0x5f/0x350 [ 50.675311][ T501] kstrdup_const+0x55/0x90 [ 50.680601][ T501] __kernfs_new_node+0x99/0x6e0 [ 50.686327][ T501] ? is_module_text_address+0xe1/0x140 [ 50.692472][ T501] ? kernfs_new_node+0x170/0x170 [ 50.697504][ T501] ? ptr_to_hashval+0x60/0x60 [ 50.702339][ T501] ? arch_stack_walk+0xf8/0x140 [ 50.707685][ T501] ? snprintf+0xd6/0x120 [ 50.712566][ T501] kernfs_new_node+0x97/0x170 [ 50.717759][ T501] __kernfs_create_file+0x4a/0x270 [ 50.723208][ T501] cgroup_addrm_files+0xab8/0xfe0 [ 50.728635][ T501] ? ____kasan_kmalloc+0xdc/0x110 [ 50.733918][ T501] ? __kasan_kmalloc+0x9/0x10 [ 50.738659][ T501] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 50.744422][ T501] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 50.751490][ T501] ? delete_node+0x759/0x7b0 [ 50.756234][ T501] ? __kasan_check_read+0x11/0x20 [ 50.761499][ T501] ? delete_node+0x759/0x7b0 [ 50.766348][ T501] ? __kasan_check_write+0x14/0x20 [ 50.771629][ T501] ? idr_replace+0x1c4/0x230 [ 50.776361][ T501] ? idr_get_next+0x4b0/0x4b0 [ 50.781269][ T501] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 50.786350][ T501] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.791618][ T501] css_populate_dir+0x137/0x370 [ 50.796544][ T501] cgroup_apply_control_enable+0x8b9/0x12f0 [ 50.803076][ T501] cgroup_apply_control+0x93/0x710 [ 50.808533][ T501] ? css_next_child+0x160/0x160 [ 50.813727][ T501] ? io_schedule+0x120/0x120 [ 50.818800][ T501] ? kernfs_fop_write_iter+0x15e/0x410 [ 50.824240][ T501] ? __kasan_check_write+0x14/0x20 [ 50.829714][ T501] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 50.835168][ T501] cgroup_subtree_control_write+0xd19/0x1310 [ 50.841219][ T501] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.847543][ T501] ? __kasan_check_write+0x14/0x20 [ 50.852788][ T501] ? _copy_from_iter+0x3fb/0xd60 [ 50.857984][ T501] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 50.863945][ T501] cgroup_file_write+0x28e/0x590 [ 50.869211][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.874797][ T501] ? mutex_lock+0xa6/0x110 [ 50.879271][ T501] ? mutex_trylock+0xb0/0xb0 [ 50.884009][ T501] ? __kasan_check_write+0x14/0x20 [ 50.889393][ T501] kernfs_fop_write_iter+0x2d0/0x410 [ 50.894778][ T501] ? cgroup_seqfile_stop+0xc0/0xc0 [ 50.900646][ T501] vfs_write+0xc1c/0xf40 [ 50.904929][ T501] ? kernel_write+0x3c0/0x3c0 [ 50.909764][ T501] ? mutex_trylock+0xb0/0xb0 [ 50.914775][ T501] ? __fdget_pos+0x26d/0x310 [ 50.919535][ T501] ? ksys_write+0x77/0x2c0 [ 50.924029][ T501] ksys_write+0x198/0x2c0 [ 50.928729][ T501] ? __ia32_sys_read+0x90/0x90 [ 50.933831][ T501] ? debug_smp_processor_id+0x17/0x20 [ 50.939207][ T501] __x64_sys_write+0x7b/0x90 [ 50.943769][ T501] do_syscall_64+0x34/0x70 [ 50.948347][ T501] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.954577][ T501] RIP: 0033:0x7fdc77d4f0e9 [ 50.959540][ T501] 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 [ 50.979872][ T501] RSP: 002b:00007fdc77ca4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.988716][ T501] RAX: ffffffffffffffda RBX: 00007fdc77e62030 RCX: 00007fdc77d4f0e9 [ 50.997300][ T501] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.005800][ T501] RBP: 00007fdc77ca41d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.014029][ T501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.022169][ T501] R13: 00007ffc6da322df R14: 00007fdc77ca4300 R15: 0000000000022000 [ 51.030642][ T501] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 51.049188][ T525] FAULT_INJECTION: forcing a failure. [ 51.049188][ T525] name failslab, interval 1, probability 0, space 0, times 0 [ 51.062464][ T525] CPU: 1 PID: 525 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 51.075306][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.086022][ T525] Call Trace: [ 51.089301][ T525] dump_stack_lvl+0x1e2/0x24b [ 51.094115][ T525] ? panic+0x7d7/0x7d7 [ 51.098173][ T525] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.103792][ T525] ? find_next_bit+0xd6/0x120 [ 51.108710][ T525] ? cpumask_next+0x11/0x30 [ 51.113228][ T525] dump_stack+0x15/0x17 [ 51.117812][ T525] should_fail+0x3c0/0x510 [ 51.122254][ T525] ? percpu_ref_init+0xd0/0x330 [ 51.128162][ T525] __should_failslab+0x9f/0xe0 [ 51.133103][ T525] should_failslab+0x9/0x20 [ 51.138182][ T525] kmem_cache_alloc_trace+0x3a/0x330 [ 51.143567][ T525] percpu_ref_init+0xd0/0x330 [ 51.150143][ T525] ? cgroup_setup_root+0xea0/0xea0 [ 51.155376][ T525] cgroup_apply_control_enable+0x3a2/0x12f0 [ 51.161468][ T525] cgroup_apply_control+0x93/0x710 [ 51.166669][ T525] ? css_next_child+0x160/0x160 [ 51.171607][ T525] ? io_schedule+0x120/0x120 [ 51.176437][ T525] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.182193][ T525] ? __kasan_check_write+0x14/0x20 [ 51.187370][ T525] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.192649][ T525] cgroup_subtree_control_write+0xd19/0x1310 [ 51.199098][ T525] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.205069][ T525] ? __kasan_check_write+0x14/0x20 [ 51.210300][ T525] ? _copy_from_iter+0x3fb/0xd60 [ 51.215237][ T525] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.221392][ T525] cgroup_file_write+0x28e/0x590 [ 51.226321][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.232717][ T525] ? mutex_lock+0xa6/0x110 [ 51.237353][ T525] ? mutex_trylock+0xb0/0xb0 [ 51.241937][ T525] ? __kasan_check_write+0x14/0x20 [ 51.247306][ T525] kernfs_fop_write_iter+0x2d0/0x410 [ 51.252570][ T525] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.257663][ T525] vfs_write+0xc1c/0xf40 [ 51.262088][ T525] ? kernel_write+0x3c0/0x3c0 [ 51.266771][ T525] ? mutex_trylock+0xb0/0xb0 [ 51.271490][ T525] ? __fdget_pos+0x26d/0x310 [ 51.276424][ T525] ? ksys_write+0x77/0x2c0 [ 51.281165][ T525] ksys_write+0x198/0x2c0 [ 51.286061][ T525] ? __ia32_sys_read+0x90/0x90 [ 51.291456][ T525] ? debug_smp_processor_id+0x17/0x20 [ 51.297194][ T525] __x64_sys_write+0x7b/0x90 [ 51.301875][ T525] do_syscall_64+0x34/0x70 [ 51.306472][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.312441][ T525] RIP: 0033:0x7f9c266c00e9 [ 51.316843][ T525] 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 [ 51.336973][ T525] RSP: 002b:00007f9c26636168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.346125][ T525] RAX: ffffffffffffffda RBX: 00007f9c267d2f60 RCX: 00007f9c266c00e9 [ 51.354411][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.362662][ T525] RBP: 00007f9c266361d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.370809][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.378859][ T525] R13: 00007fff6bd5793f R14: 00007f9c26636300 R15: 0000000000022000 [ 51.409107][ T530] FAULT_INJECTION: forcing a failure. [ 51.409107][ T530] name failslab, interval 1, probability 0, space 0, times 0 [ 51.422247][ T530] CPU: 0 PID: 530 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 51.435247][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.446018][ T530] Call Trace: [ 51.449393][ T530] dump_stack_lvl+0x1e2/0x24b [ 51.454332][ T530] ? panic+0x7d7/0x7d7 [ 51.458401][ T530] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.464028][ T530] ? find_next_bit+0xd6/0x120 [ 51.468710][ T530] ? cpumask_next+0x11/0x30 [ 51.473557][ T530] dump_stack+0x15/0x17 [ 51.478038][ T530] should_fail+0x3c0/0x510 [ 51.482428][ T530] ? percpu_ref_init+0xd0/0x330 [ 51.487271][ T530] __should_failslab+0x9f/0xe0 [ 51.492119][ T530] should_failslab+0x9/0x20 [ 51.496879][ T530] kmem_cache_alloc_trace+0x3a/0x330 [ 51.502262][ T530] percpu_ref_init+0xd0/0x330 [ 51.507030][ T530] ? cgroup_setup_root+0xea0/0xea0 [ 51.512767][ T530] cgroup_apply_control_enable+0x3a2/0x12f0 [ 51.519423][ T530] cgroup_apply_control+0x93/0x710 [ 51.525135][ T530] ? css_next_child+0x160/0x160 [ 51.530069][ T530] ? io_schedule+0x120/0x120 [ 51.534904][ T530] ? kernfs_fop_write_iter+0x15e/0x410 [ 51.540898][ T530] ? __kasan_check_write+0x14/0x20 [ 51.546199][ T530] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 51.551494][ T530] cgroup_subtree_control_write+0xd19/0x1310 [ 51.557887][ T530] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.563937][ T530] ? __kasan_check_write+0x14/0x20 [ 51.569217][ T530] ? _copy_from_iter+0x3fb/0xd60 [ 51.574487][ T530] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 51.580641][ T530] cgroup_file_write+0x28e/0x590 [ 51.585590][ T530] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.590705][ T530] ? mutex_lock+0xa6/0x110 [ 51.595116][ T530] ? mutex_trylock+0xb0/0xb0 [ 51.599791][ T530] ? __kasan_check_write+0x14/0x20 [ 51.604913][ T530] kernfs_fop_write_iter+0x2d0/0x410 [ 51.610372][ T530] ? cgroup_seqfile_stop+0xc0/0xc0 [ 51.615482][ T530] vfs_write+0xc1c/0xf40 [ 51.619812][ T530] ? kernel_write+0x3c0/0x3c0 [ 51.624567][ T530] ? mutex_trylock+0xb0/0xb0 [ 51.630293][ T530] ? __fdget_pos+0x26d/0x310 [ 51.635229][ T530] ? ksys_write+0x77/0x2c0 [ 51.639747][ T530] ksys_write+0x198/0x2c0 [ 51.644261][ T530] ? __ia32_sys_read+0x90/0x90 [ 51.649015][ T530] ? debug_smp_processor_id+0x17/0x20 [ 51.654374][ T530] __x64_sys_write+0x7b/0x90 [ 51.659244][ T530] do_syscall_64+0x34/0x70 [ 51.663765][ T530] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.669770][ T530] RIP: 0033:0x7f4e676240e9 [ 51.674530][ T530] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.696600][ T530] RSP: 002b:00007f4e6759a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.705351][ T530] RAX: ffffffffffffffda RBX: 00007f4e67736f60 RCX: 00007f4e676240e9 [ 51.713756][ T530] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 51.722083][ T530] RBP: 00007f4e6759a1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.730157][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.738748][ T530] R13: 00007ffde41c443f R14: 00007f4e6759a300 R15: 0000000000022000 [ 51.799000][ T536] FAULT_INJECTION: forcing a failure. [ 51.799000][ T536] name failslab, interval 1, probability 0, space 0, times 0 [ 51.812259][ T536] CPU: 1 PID: 536 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 51.825885][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.836118][ T536] Call Trace: [ 51.839513][ T536] dump_stack_lvl+0x1e2/0x24b [ 51.858329][ T536] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.864066][ T536] ? selinux_kernfs_init_security+0x1a8/0x760 [ 51.870446][ T536] dump_stack+0x15/0x17 [ 51.874678][ T536] should_fail+0x3c0/0x510 [ 51.879170][ T536] ? __kernfs_new_node+0x99/0x6e0 [ 51.884197][ T536] __should_failslab+0x9f/0xe0 [ 51.889032][ T536] should_failslab+0x9/0x20 [ 51.893533][ T536] __kmalloc_track_caller+0x5f/0x350 [ 51.899073][ T536] kstrdup_const+0x55/0x90 [ 51.903464][ T536] __kernfs_new_node+0x99/0x6e0 [ 51.908297][ T536] ? is_module_text_address+0xe1/0x140 [ 51.913987][ T536] ? kernfs_new_node+0x170/0x170 [ 51.918999][ T536] ? ptr_to_hashval+0x60/0x60 [ 51.923932][ T536] ? arch_stack_walk+0xf8/0x140 [ 51.929122][ T536] ? snprintf+0xd6/0x120 [ 51.933424][ T536] kernfs_new_node+0x97/0x170 [ 51.938122][ T536] __kernfs_create_file+0x4a/0x270 [ 51.943251][ T536] cgroup_addrm_files+0xab8/0xfe0 [ 51.948271][ T536] ? ____kasan_kmalloc+0xdc/0x110 [ 51.953636][ T536] ? __kasan_kmalloc+0x9/0x10 [ 51.958325][ T536] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 51.964011][ T536] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 51.970522][ T536] ? delete_node+0x759/0x7b0 [ 51.975401][ T536] ? __kasan_check_read+0x11/0x20 [ 51.980431][ T536] ? delete_node+0x759/0x7b0 [ 51.985192][ T536] ? __kasan_check_write+0x14/0x20 [ 51.990712][ T536] ? idr_replace+0x1c4/0x230 [ 51.995398][ T536] ? idr_get_next+0x4b0/0x4b0 [ 52.000139][ T536] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.005140][ T536] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.010422][ T536] css_populate_dir+0x137/0x370 [ 52.015265][ T536] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.021236][ T536] cgroup_apply_control+0x93/0x710 [ 52.026420][ T536] ? css_next_child+0x160/0x160 [ 52.031556][ T536] ? io_schedule+0x120/0x120 [ 52.036521][ T536] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.042691][ T536] ? __kasan_check_write+0x14/0x20 [ 52.047969][ T536] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.053512][ T536] cgroup_subtree_control_write+0xd19/0x1310 [ 52.060234][ T536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.066315][ T536] ? __kasan_check_write+0x14/0x20 [ 52.071421][ T536] ? _copy_from_iter+0x3fb/0xd60 [ 52.076636][ T536] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.082952][ T536] cgroup_file_write+0x28e/0x590 [ 52.087888][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.093370][ T536] ? mutex_lock+0xa6/0x110 [ 52.097856][ T536] ? mutex_trylock+0xb0/0xb0 [ 52.102525][ T536] ? __kasan_check_write+0x14/0x20 [ 52.107796][ T536] kernfs_fop_write_iter+0x2d0/0x410 [ 52.113322][ T536] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.118504][ T536] vfs_write+0xc1c/0xf40 [ 52.123165][ T536] ? kernel_write+0x3c0/0x3c0 [ 52.127973][ T536] ? mutex_trylock+0xb0/0xb0 [ 52.132560][ T536] ? __fdget_pos+0x26d/0x310 [ 52.137399][ T536] ? ksys_write+0x77/0x2c0 [ 52.141887][ T536] ksys_write+0x198/0x2c0 [ 52.146284][ T536] ? __ia32_sys_read+0x90/0x90 [ 52.151497][ T536] ? debug_smp_processor_id+0x17/0x20 [ 52.156965][ T536] __x64_sys_write+0x7b/0x90 [ 52.162187][ T536] do_syscall_64+0x34/0x70 [ 52.166802][ T536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.172688][ T536] RIP: 0033:0x7fdc77d4f0e9 [ 52.177100][ T536] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 52.197761][ T536] RSP: 002b:00007fdc77ca4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.206560][ T536] RAX: ffffffffffffffda RBX: 00007fdc77e62030 RCX: 00007fdc77d4f0e9 [ 52.216432][ T536] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.224911][ T536] RBP: 00007fdc77ca41d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.233084][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.241428][ T536] R13: 00007ffc6da322df R14: 00007fdc77ca4300 R15: 0000000000022000 [ 52.251840][ T536] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.299158][ T539] FAULT_INJECTION: forcing a failure. [ 52.299158][ T539] name failslab, interval 1, probability 0, space 0, times 0 [ 52.312592][ T539] CPU: 1 PID: 539 Comm: syz-executor.2 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 52.325302][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.336110][ T539] Call Trace: [ 52.339506][ T539] dump_stack_lvl+0x1e2/0x24b [ 52.344270][ T539] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.349808][ T539] ? selinux_kernfs_init_security+0x1a8/0x760 [ 52.356092][ T539] dump_stack+0x15/0x17 [ 52.360892][ T539] should_fail+0x3c0/0x510 [ 52.365634][ T539] ? __kernfs_new_node+0x99/0x6e0 [ 52.370939][ T539] __should_failslab+0x9f/0xe0 [ 52.376363][ T539] should_failslab+0x9/0x20 [ 52.381100][ T539] __kmalloc_track_caller+0x5f/0x350 [ 52.386593][ T539] kstrdup_const+0x55/0x90 [ 52.391360][ T539] __kernfs_new_node+0x99/0x6e0 [ 52.396380][ T539] ? is_module_text_address+0xe1/0x140 [ 52.401853][ T539] ? kernfs_new_node+0x170/0x170 [ 52.407117][ T539] ? ptr_to_hashval+0x60/0x60 [ 52.412000][ T539] ? arch_stack_walk+0xf8/0x140 [ 52.426356][ T539] ? snprintf+0xd6/0x120 [ 52.431066][ T539] kernfs_new_node+0x97/0x170 [ 52.435890][ T539] __kernfs_create_file+0x4a/0x270 [ 52.441590][ T539] cgroup_addrm_files+0xab8/0xfe0 [ 52.446984][ T539] ? ____kasan_kmalloc+0xdc/0x110 [ 52.452090][ T539] ? __kasan_kmalloc+0x9/0x10 [ 52.457635][ T539] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 52.463264][ T539] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 52.469967][ T539] ? delete_node+0x759/0x7b0 [ 52.474895][ T539] ? __kasan_check_read+0x11/0x20 [ 52.479990][ T539] ? delete_node+0x759/0x7b0 [ 52.484587][ T539] ? __kasan_check_write+0x14/0x20 [ 52.489704][ T539] ? idr_replace+0x1c4/0x230 [ 52.494384][ T539] ? idr_get_next+0x4b0/0x4b0 [ 52.499099][ T539] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.505202][ T539] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.510382][ T539] css_populate_dir+0x137/0x370 [ 52.515576][ T539] cgroup_apply_control_enable+0x8b9/0x12f0 [ 52.521550][ T539] cgroup_apply_control+0x93/0x710 [ 52.527074][ T539] ? css_next_child+0x160/0x160 [ 52.532073][ T539] ? io_schedule+0x120/0x120 [ 52.536828][ T539] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.542467][ T539] ? __kasan_check_write+0x14/0x20 [ 52.548257][ T539] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.553776][ T539] cgroup_subtree_control_write+0xd19/0x1310 [ 52.559921][ T539] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.566166][ T539] ? __kasan_check_write+0x14/0x20 [ 52.571305][ T539] ? _copy_from_iter+0x3fb/0xd60 [ 52.576409][ T539] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.582881][ T539] cgroup_file_write+0x28e/0x590 [ 52.588092][ T539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.593465][ T539] ? mutex_lock+0xa6/0x110 [ 52.597954][ T539] ? mutex_trylock+0xb0/0xb0 [ 52.602834][ T539] ? __kasan_check_write+0x14/0x20 [ 52.607920][ T539] kernfs_fop_write_iter+0x2d0/0x410 [ 52.613300][ T539] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.618495][ T539] vfs_write+0xc1c/0xf40 [ 52.622873][ T539] ? kernel_write+0x3c0/0x3c0 [ 52.627673][ T539] ? mutex_trylock+0xb0/0xb0 [ 52.632376][ T539] ? __fdget_pos+0x26d/0x310 [ 52.637246][ T539] ? ksys_write+0x77/0x2c0 [ 52.642296][ T539] ksys_write+0x198/0x2c0 [ 52.646823][ T539] ? __ia32_sys_read+0x90/0x90 [ 52.651821][ T539] ? debug_smp_processor_id+0x17/0x20 [ 52.657635][ T539] __x64_sys_write+0x7b/0x90 [ 52.662440][ T539] do_syscall_64+0x34/0x70 [ 52.666849][ T539] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.673278][ T539] RIP: 0033:0x7f9c266c00e9 [ 52.677859][ T539] 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 [ 52.697822][ T539] RSP: 002b:00007f9c26615168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.707115][ T539] RAX: ffffffffffffffda RBX: 00007f9c267d3030 RCX: 00007f9c266c00e9 [ 52.715727][ T539] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.723987][ T539] RBP: 00007f9c266151d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.732568][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.740834][ T539] R13: 00007fff6bd5793f R14: 00007f9c26615300 R15: 0000000000022000 [ 52.749916][ T539] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 52.779407][ T535] FAULT_INJECTION: forcing a failure. [ 52.779407][ T535] name failslab, interval 1, probability 0, space 0, times 0 [ 52.792900][ T535] CPU: 0 PID: 535 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 52.805402][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.815644][ T535] Call Trace: [ 52.818990][ T535] dump_stack_lvl+0x1e2/0x24b [ 52.823835][ T535] ? panic+0x7d7/0x7d7 [ 52.828045][ T535] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.833575][ T535] ? find_next_bit+0xd6/0x120 [ 52.838429][ T535] ? cpumask_next+0x11/0x30 [ 52.842911][ T535] dump_stack+0x15/0x17 [ 52.847144][ T535] should_fail+0x3c0/0x510 [ 52.851538][ T535] ? percpu_ref_init+0xd0/0x330 [ 52.856379][ T535] __should_failslab+0x9f/0xe0 [ 52.861126][ T535] should_failslab+0x9/0x20 [ 52.865617][ T535] kmem_cache_alloc_trace+0x3a/0x330 [ 52.871570][ T535] percpu_ref_init+0xd0/0x330 [ 52.876514][ T535] ? cgroup_setup_root+0xea0/0xea0 [ 52.881965][ T535] cgroup_apply_control_enable+0x3a2/0x12f0 [ 52.887978][ T535] cgroup_apply_control+0x93/0x710 [ 52.893072][ T535] ? css_next_child+0x160/0x160 [ 52.898958][ T535] ? release_task_stack+0x529/0x660 [ 52.904169][ T535] ? io_schedule+0x120/0x120 [ 52.908866][ T535] ? kernfs_fop_write_iter+0x15e/0x410 [ 52.914632][ T535] ? __kasan_check_write+0x14/0x20 [ 52.919946][ T535] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 52.925485][ T535] cgroup_subtree_control_write+0xd19/0x1310 [ 52.931719][ T535] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.938485][ T535] ? __kasan_check_write+0x14/0x20 [ 52.943959][ T535] ? _copy_from_iter+0x3fb/0xd60 [ 52.949170][ T535] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 52.955386][ T535] cgroup_file_write+0x28e/0x590 [ 52.960713][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.966258][ T535] ? mutex_lock+0xa6/0x110 [ 52.971000][ T535] ? mutex_trylock+0xb0/0xb0 [ 52.975820][ T535] ? __kasan_check_write+0x14/0x20 [ 52.980920][ T535] kernfs_fop_write_iter+0x2d0/0x410 [ 52.987087][ T535] ? cgroup_seqfile_stop+0xc0/0xc0 [ 52.992712][ T535] vfs_write+0xc1c/0xf40 [ 52.997212][ T535] ? kernel_write+0x3c0/0x3c0 [ 53.002063][ T535] ? mutex_trylock+0xb0/0xb0 [ 53.006917][ T535] ? __fdget_pos+0x26d/0x310 [ 53.012047][ T535] ? ksys_write+0x77/0x2c0 [ 53.016478][ T535] ksys_write+0x198/0x2c0 [ 53.021053][ T535] ? __ia32_sys_read+0x90/0x90 [ 53.025799][ T535] ? debug_smp_processor_id+0x17/0x20 [ 53.031429][ T535] __x64_sys_write+0x7b/0x90 [ 53.036171][ T535] do_syscall_64+0x34/0x70 [ 53.040661][ T535] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.046988][ T535] RIP: 0033:0x7f9f8374d0e9 [ 53.051827][ T535] 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 [ 53.071695][ T535] RSP: 002b:00007f9f836a2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.080221][ T535] RAX: ffffffffffffffda RBX: 00007f9f83860030 RCX: 00007f9f8374d0e9 [ 53.088470][ T535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 2022/06/08 02:00:22 executed programs: 37 [ 53.096540][ T535] RBP: 00007f9f836a21d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.104767][ T535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.113252][ T535] R13: 00007ffe5c47fe2f R14: 00007f9f836a2300 R15: 0000000000022000 [ 53.169156][ T534] FAULT_INJECTION: forcing a failure. [ 53.169156][ T534] name failslab, interval 1, probability 0, space 0, times 0 [ 53.182428][ T534] CPU: 0 PID: 534 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 53.195163][ T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.206050][ T534] Call Trace: [ 53.209880][ T534] dump_stack_lvl+0x1e2/0x24b [ 53.214536][ T534] ? panic+0x7d7/0x7d7 [ 53.218709][ T534] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.224401][ T534] ? find_next_bit+0xd6/0x120 [ 53.229064][ T534] ? cpumask_next+0x11/0x30 [ 53.233825][ T534] dump_stack+0x15/0x17 [ 53.238045][ T534] should_fail+0x3c0/0x510 [ 53.242784][ T534] ? percpu_ref_init+0xd0/0x330 [ 53.247708][ T534] __should_failslab+0x9f/0xe0 [ 53.252451][ T534] should_failslab+0x9/0x20 [ 53.257103][ T534] kmem_cache_alloc_trace+0x3a/0x330 [ 53.262561][ T534] percpu_ref_init+0xd0/0x330 [ 53.267440][ T534] ? cgroup_setup_root+0xea0/0xea0 [ 53.272533][ T534] cgroup_apply_control_enable+0x3a2/0x12f0 [ 53.278493][ T534] cgroup_apply_control+0x93/0x710 [ 53.283587][ T534] ? css_next_child+0x160/0x160 [ 53.288588][ T534] ? io_schedule+0x120/0x120 [ 53.293413][ T534] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.299281][ T534] ? __kasan_check_write+0x14/0x20 [ 53.305331][ T534] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.310596][ T534] cgroup_subtree_control_write+0xd19/0x1310 [ 53.316571][ T534] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.322969][ T534] ? __kasan_check_write+0x14/0x20 [ 53.328323][ T534] ? _copy_from_iter+0x3fb/0xd60 [ 53.333614][ T534] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.339576][ T534] cgroup_file_write+0x28e/0x590 [ 53.344491][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.349752][ T534] ? mutex_lock+0xa6/0x110 [ 53.354233][ T534] ? mutex_trylock+0xb0/0xb0 [ 53.358803][ T534] ? __kasan_check_write+0x14/0x20 [ 53.363914][ T534] kernfs_fop_write_iter+0x2d0/0x410 [ 53.369183][ T534] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.374367][ T534] vfs_write+0xc1c/0xf40 [ 53.378586][ T534] ? kernel_write+0x3c0/0x3c0 [ 53.383246][ T534] ? mutex_trylock+0xb0/0xb0 [ 53.387906][ T534] ? __fdget_pos+0x26d/0x310 [ 53.392558][ T534] ? ksys_write+0x77/0x2c0 [ 53.397060][ T534] ksys_write+0x198/0x2c0 [ 53.401377][ T534] ? __ia32_sys_read+0x90/0x90 [ 53.406321][ T534] ? debug_smp_processor_id+0x17/0x20 [ 53.411930][ T534] __x64_sys_write+0x7b/0x90 [ 53.416493][ T534] do_syscall_64+0x34/0x70 [ 53.421057][ T534] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.427077][ T534] RIP: 0033:0x7f6d6cf380e9 [ 53.431485][ 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 [ 53.451549][ T534] RSP: 002b:00007f6d6ce8d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.460530][ T534] RAX: ffffffffffffffda RBX: 00007f6d6d04b030 RCX: 00007f6d6cf380e9 [ 53.468706][ T534] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.476861][ T534] RBP: 00007f6d6ce8d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.484992][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.493124][ T534] R13: 00007ffe58312cef R14: 00007f6d6ce8d300 R15: 0000000000022000 [ 53.539271][ T542] FAULT_INJECTION: forcing a failure. [ 53.539271][ T542] name failslab, interval 1, probability 0, space 0, times 0 [ 53.552435][ T542] CPU: 0 PID: 542 Comm: syz-executor.1 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 53.565085][ T542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.575535][ T542] Call Trace: [ 53.579372][ T542] dump_stack_lvl+0x1e2/0x24b [ 53.584416][ T542] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.590207][ T542] dump_stack+0x15/0x17 [ 53.594423][ T542] should_fail+0x3c0/0x510 [ 53.598950][ T542] ? pids_css_alloc+0x4e/0x120 [ 53.604015][ T542] __should_failslab+0x9f/0xe0 [ 53.609120][ T542] should_failslab+0x9/0x20 [ 53.613622][ T542] kmem_cache_alloc_trace+0x3a/0x330 [ 53.619083][ T542] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 53.624283][ T542] pids_css_alloc+0x4e/0x120 [ 53.629036][ T542] cgroup_apply_control_enable+0x350/0x12f0 [ 53.635129][ T542] cgroup_apply_control+0x93/0x710 [ 53.640513][ T542] ? css_next_child+0x160/0x160 [ 53.645612][ T542] ? release_task_stack+0x4c2/0x660 [ 53.650805][ T542] ? io_schedule+0x120/0x120 [ 53.656365][ T542] ? kernfs_fop_write_iter+0x15e/0x410 [ 53.661989][ T542] ? __kasan_check_write+0x14/0x20 [ 53.667282][ T542] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 53.672898][ T542] cgroup_subtree_control_write+0xd19/0x1310 [ 53.678862][ T542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.685085][ T542] ? __kasan_check_write+0x14/0x20 [ 53.690483][ T542] ? _copy_from_iter+0x3fb/0xd60 [ 53.695875][ T542] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 53.702193][ T542] cgroup_file_write+0x28e/0x590 [ 53.707125][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.712214][ T542] ? mutex_lock+0xa6/0x110 [ 53.716605][ T542] ? mutex_trylock+0xb0/0xb0 [ 53.721367][ T542] ? __kasan_check_write+0x14/0x20 [ 53.726545][ T542] kernfs_fop_write_iter+0x2d0/0x410 [ 53.732171][ T542] ? cgroup_seqfile_stop+0xc0/0xc0 [ 53.737430][ T542] vfs_write+0xc1c/0xf40 [ 53.741742][ T542] ? kernel_write+0x3c0/0x3c0 [ 53.746394][ T542] ? mutex_trylock+0xb0/0xb0 [ 53.750969][ T542] ? __fdget_pos+0x26d/0x310 [ 53.755752][ T542] ? ksys_write+0x77/0x2c0 [ 53.760432][ T542] ksys_write+0x198/0x2c0 [ 53.764934][ T542] ? __ia32_sys_read+0x90/0x90 [ 53.769927][ T542] ? debug_smp_processor_id+0x17/0x20 [ 53.775300][ T542] __x64_sys_write+0x7b/0x90 [ 53.780164][ T542] do_syscall_64+0x34/0x70 [ 53.785114][ T542] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.791089][ T542] RIP: 0033:0x7f4e676240e9 [ 53.795855][ T542] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.816494][ T542] RSP: 002b:00007f4e67579168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.825178][ T542] RAX: ffffffffffffffda RBX: 00007f4e67737030 RCX: 00007f4e676240e9 [ 53.833323][ T542] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 53.841456][ T542] RBP: 00007f4e675791d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.849676][ T542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.857808][ T542] R13: 00007ffde41c443f R14: 00007f4e67579300 R15: 0000000000022000 [ 53.899150][ T549] FAULT_INJECTION: forcing a failure. [ 53.899150][ T549] name failslab, interval 1, probability 0, space 0, times 0 [ 53.913881][ T549] CPU: 0 PID: 549 Comm: syz-executor.3 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 53.926711][ T549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.936835][ T549] Call Trace: [ 53.940116][ T549] dump_stack_lvl+0x1e2/0x24b [ 53.944803][ T549] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.950496][ T549] ? selinux_kernfs_init_security+0x1a8/0x760 [ 53.956830][ T549] dump_stack+0x15/0x17 [ 53.961079][ T549] should_fail+0x3c0/0x510 [ 53.965485][ T549] ? __kernfs_new_node+0x99/0x6e0 [ 53.970501][ T549] __should_failslab+0x9f/0xe0 [ 53.975367][ T549] should_failslab+0x9/0x20 [ 53.979879][ T549] __kmalloc_track_caller+0x5f/0x350 [ 53.985451][ T549] kstrdup_const+0x55/0x90 [ 53.990038][ T549] __kernfs_new_node+0x99/0x6e0 [ 53.994966][ T549] ? is_module_text_address+0xe1/0x140 [ 54.000805][ T549] ? kernfs_new_node+0x170/0x170 [ 54.006595][ T549] ? ptr_to_hashval+0x60/0x60 [ 54.011336][ T549] ? arch_stack_walk+0xf8/0x140 [ 54.016331][ T549] ? snprintf+0xd6/0x120 [ 54.020542][ T549] kernfs_new_node+0x97/0x170 [ 54.025469][ T549] __kernfs_create_file+0x4a/0x270 [ 54.031243][ T549] cgroup_addrm_files+0xab8/0xfe0 [ 54.036670][ T549] ? ____kasan_kmalloc+0xdc/0x110 [ 54.041817][ T549] ? __kasan_kmalloc+0x9/0x10 [ 54.046482][ T549] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.052326][ T549] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.058652][ T549] ? delete_node+0x759/0x7b0 [ 54.063348][ T549] ? __kasan_check_read+0x11/0x20 [ 54.068832][ T549] ? delete_node+0x759/0x7b0 [ 54.073428][ T549] ? __kasan_check_write+0x14/0x20 [ 54.078522][ T549] ? idr_replace+0x1c4/0x230 [ 54.083277][ T549] ? idr_get_next+0x4b0/0x4b0 [ 54.088107][ T549] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.093647][ T549] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.099361][ T549] css_populate_dir+0x137/0x370 [ 54.104372][ T549] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.110631][ T549] cgroup_apply_control+0x93/0x710 [ 54.115726][ T549] ? css_next_child+0x160/0x160 [ 54.121212][ T549] ? io_schedule+0x120/0x120 [ 54.125859][ T549] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.131561][ T549] ? __kasan_check_write+0x14/0x20 [ 54.136747][ T549] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.142302][ T549] cgroup_subtree_control_write+0xd19/0x1310 [ 54.148638][ T549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.154875][ T549] ? __kasan_check_write+0x14/0x20 [ 54.160585][ T549] ? _copy_from_iter+0x3fb/0xd60 [ 54.165501][ T549] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.171647][ T549] cgroup_file_write+0x28e/0x590 [ 54.176718][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.181802][ T549] ? mutex_lock+0xa6/0x110 [ 54.186300][ T549] ? mutex_trylock+0xb0/0xb0 [ 54.191131][ T549] ? __kasan_check_write+0x14/0x20 [ 54.196213][ T549] kernfs_fop_write_iter+0x2d0/0x410 [ 54.202119][ T549] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.207224][ T549] vfs_write+0xc1c/0xf40 [ 54.211864][ T549] ? kernel_write+0x3c0/0x3c0 [ 54.216797][ T549] ? mutex_trylock+0xb0/0xb0 [ 54.221378][ T549] ? __fdget_pos+0x26d/0x310 [ 54.225976][ T549] ? ksys_write+0x77/0x2c0 [ 54.230614][ T549] ksys_write+0x198/0x2c0 [ 54.235113][ T549] ? __ia32_sys_read+0x90/0x90 [ 54.239881][ T549] ? debug_smp_processor_id+0x17/0x20 [ 54.245322][ T549] __x64_sys_write+0x7b/0x90 [ 54.249954][ T549] do_syscall_64+0x34/0x70 [ 54.254802][ T549] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.261294][ T549] RIP: 0033:0x7f9f8374d0e9 [ 54.265964][ 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 [ 54.286441][ T549] RSP: 002b:00007f9f836c3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.295466][ T549] RAX: ffffffffffffffda RBX: 00007f9f8385ff60 RCX: 00007f9f8374d0e9 [ 54.306779][ T549] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.314899][ T549] RBP: 00007f9f836c31d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.324855][ T549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.332905][ T549] R13: 00007ffe5c47fe2f R14: 00007f9f836c3300 R15: 0000000000022000 [ 54.342469][ T549] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.379229][ T544] FAULT_INJECTION: forcing a failure. [ 54.379229][ T544] name failslab, interval 1, probability 0, space 0, times 0 [ 54.392739][ T544] CPU: 1 PID: 544 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 54.404989][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.416027][ T544] Call Trace: [ 54.419319][ T544] dump_stack_lvl+0x1e2/0x24b [ 54.424398][ T544] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.430310][ T544] ? selinux_kernfs_init_security+0x1a8/0x760 [ 54.436372][ T544] dump_stack+0x15/0x17 [ 54.440513][ T544] should_fail+0x3c0/0x510 [ 54.445341][ T544] ? __kernfs_new_node+0x99/0x6e0 [ 54.450358][ T544] __should_failslab+0x9f/0xe0 [ 54.455413][ T544] should_failslab+0x9/0x20 [ 54.459911][ T544] __kmalloc_track_caller+0x5f/0x350 [ 54.465452][ T544] kstrdup_const+0x55/0x90 [ 54.469853][ T544] __kernfs_new_node+0x99/0x6e0 [ 54.474688][ T544] ? is_module_text_address+0xe1/0x140 [ 54.480758][ T544] ? kernfs_new_node+0x170/0x170 [ 54.485887][ T544] ? ptr_to_hashval+0x60/0x60 [ 54.490697][ T544] ? arch_stack_walk+0xf8/0x140 [ 54.495624][ T544] ? snprintf+0xd6/0x120 [ 54.499858][ T544] kernfs_new_node+0x97/0x170 [ 54.504617][ T544] __kernfs_create_file+0x4a/0x270 [ 54.509737][ T544] cgroup_addrm_files+0xab8/0xfe0 [ 54.514847][ T544] ? ____kasan_kmalloc+0xdc/0x110 [ 54.519865][ T544] ? __kasan_kmalloc+0x9/0x10 [ 54.524605][ T544] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 54.530212][ T544] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 54.536446][ T544] ? delete_node+0x759/0x7b0 [ 54.541369][ T544] ? __kasan_check_read+0x11/0x20 [ 54.546620][ T544] ? delete_node+0x759/0x7b0 [ 54.551198][ T544] ? __kasan_check_write+0x14/0x20 [ 54.556289][ T544] ? idr_replace+0x1c4/0x230 [ 54.560850][ T544] ? idr_get_next+0x4b0/0x4b0 [ 54.565509][ T544] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 54.570525][ T544] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 54.575793][ T544] css_populate_dir+0x137/0x370 [ 54.580621][ T544] cgroup_apply_control_enable+0x8b9/0x12f0 [ 54.586487][ T544] cgroup_apply_control+0x93/0x710 [ 54.591566][ T544] ? css_next_child+0x160/0x160 [ 54.596394][ T544] ? io_schedule+0x120/0x120 [ 54.601130][ T544] ? kernfs_fop_write_iter+0x15e/0x410 [ 54.606732][ T544] ? __kasan_check_write+0x14/0x20 [ 54.612242][ T544] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.617996][ T544] cgroup_subtree_control_write+0xd19/0x1310 [ 54.624284][ T544] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.630256][ T544] ? __kasan_check_write+0x14/0x20 [ 54.635444][ T544] ? _copy_from_iter+0x3fb/0xd60 [ 54.641151][ T544] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.647225][ T544] cgroup_file_write+0x28e/0x590 [ 54.652425][ T544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.657531][ T544] ? mutex_lock+0xa6/0x110 [ 54.662455][ T544] ? mutex_trylock+0xb0/0xb0 [ 54.667053][ T544] ? __kasan_check_write+0x14/0x20 [ 54.672477][ T544] kernfs_fop_write_iter+0x2d0/0x410 [ 54.677830][ T544] ? cgroup_seqfile_stop+0xc0/0xc0 [ 54.683071][ T544] vfs_write+0xc1c/0xf40 [ 54.687382][ T544] ? kernel_write+0x3c0/0x3c0 [ 54.692156][ T544] ? mutex_trylock+0xb0/0xb0 [ 54.697092][ T544] ? __fdget_pos+0x26d/0x310 [ 54.701752][ T544] ? ksys_write+0x77/0x2c0 [ 54.706153][ T544] ksys_write+0x198/0x2c0 [ 54.710636][ T544] ? __ia32_sys_read+0x90/0x90 [ 54.715632][ T544] ? debug_smp_processor_id+0x17/0x20 [ 54.721781][ T544] __x64_sys_write+0x7b/0x90 [ 54.726433][ T544] do_syscall_64+0x34/0x70 [ 54.731303][ T544] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.737181][ T544] RIP: 0033:0x7fdc77d4f0e9 [ 54.741565][ T544] 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 [ 54.761140][ T544] RSP: 002b:00007fdc77cc5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.769531][ T544] RAX: ffffffffffffffda RBX: 00007fdc77e61f60 RCX: 00007fdc77d4f0e9 [ 54.777562][ T544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.785608][ T544] RBP: 00007fdc77cc51d0 R08: 0000000000000000 R09: 0000000000000000 [ 54.793555][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 54.801846][ T544] R13: 00007ffc6da322df R14: 00007fdc77cc5300 R15: 0000000000022000 [ 54.809945][ T544] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 54.849211][ T552] FAULT_INJECTION: forcing a failure. [ 54.849211][ T552] name failslab, interval 1, probability 0, space 0, times 0 [ 54.862373][ T552] CPU: 0 PID: 552 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 54.874604][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.884828][ T552] Call Trace: [ 54.888154][ T552] dump_stack_lvl+0x1e2/0x24b [ 54.893309][ T552] ? panic+0x7d7/0x7d7 [ 54.897470][ T552] ? bfq_pos_tree_add_move+0x43e/0x43e [ 54.903001][ T552] ? find_next_bit+0xd6/0x120 [ 54.907838][ T552] ? cpumask_next+0x11/0x30 [ 54.912798][ T552] dump_stack+0x15/0x17 [ 54.917022][ T552] should_fail+0x3c0/0x510 [ 54.921415][ T552] ? percpu_ref_init+0xd0/0x330 [ 54.926340][ T552] __should_failslab+0x9f/0xe0 [ 54.931075][ T552] should_failslab+0x9/0x20 [ 54.935779][ T552] kmem_cache_alloc_trace+0x3a/0x330 [ 54.941221][ T552] percpu_ref_init+0xd0/0x330 [ 54.946137][ T552] ? cgroup_setup_root+0xea0/0xea0 [ 54.951317][ T552] cgroup_apply_control_enable+0x3a2/0x12f0 [ 54.957190][ T552] cgroup_apply_control+0x93/0x710 [ 54.962571][ T552] ? css_next_child+0x160/0x160 [ 54.967394][ T552] ? io_schedule+0x120/0x120 [ 54.971961][ T552] ? __kasan_check_write+0x14/0x20 [ 54.977135][ T552] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 54.982510][ T552] cgroup_subtree_control_write+0xd19/0x1310 [ 54.988582][ T552] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 54.994881][ T552] ? __kasan_check_write+0x14/0x20 [ 55.000055][ T552] ? _copy_from_iter+0x3fb/0xd60 [ 55.004966][ T552] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.011004][ T552] cgroup_file_write+0x28e/0x590 [ 55.016204][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.021380][ T552] ? mutex_lock+0xa6/0x110 [ 55.025769][ T552] ? mutex_trylock+0xb0/0xb0 [ 55.030332][ T552] ? __kasan_check_write+0x14/0x20 [ 55.035506][ T552] kernfs_fop_write_iter+0x2d0/0x410 [ 55.041224][ T552] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.046419][ T552] vfs_write+0xc1c/0xf40 [ 55.050893][ T552] ? kernel_write+0x3c0/0x3c0 [ 55.055831][ T552] ? mutex_trylock+0xb0/0xb0 [ 55.060691][ T552] ? __fdget_pos+0x26d/0x310 [ 55.065359][ T552] ? ksys_write+0x77/0x2c0 [ 55.069772][ T552] ksys_write+0x198/0x2c0 [ 55.074495][ T552] ? __ia32_sys_read+0x90/0x90 [ 55.079545][ T552] ? debug_smp_processor_id+0x17/0x20 [ 55.084932][ T552] __x64_sys_write+0x7b/0x90 [ 55.089700][ T552] do_syscall_64+0x34/0x70 [ 55.094132][ T552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.100192][ T552] RIP: 0033:0x7f6d6cf380e9 [ 55.104586][ 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 [ 55.124357][ T552] RSP: 002b:00007f6d6ce8d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.132836][ T552] RAX: ffffffffffffffda RBX: 00007f6d6d04b030 RCX: 00007f6d6cf380e9 [ 55.141138][ T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.149092][ T552] RBP: 00007f6d6ce8d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.157057][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.165114][ T552] R13: 00007ffe58312cef R14: 00007f6d6ce8d300 R15: 0000000000022000 [ 55.209112][ T533] FAULT_INJECTION: forcing a failure. [ 55.209112][ T533] name failslab, interval 1, probability 0, space 0, times 0 [ 55.222013][ T533] CPU: 0 PID: 533 Comm: syz-executor.5 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 55.234310][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.244525][ T533] Call Trace: [ 55.247889][ T533] dump_stack_lvl+0x1e2/0x24b [ 55.252538][ T533] ? panic+0x7d7/0x7d7 [ 55.256685][ T533] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.262126][ T533] ? find_next_bit+0xd6/0x120 [ 55.267039][ T533] ? cpumask_next+0x11/0x30 [ 55.271534][ T533] dump_stack+0x15/0x17 [ 55.275682][ T533] should_fail+0x3c0/0x510 [ 55.280075][ T533] ? percpu_ref_init+0xd0/0x330 [ 55.285197][ T533] __should_failslab+0x9f/0xe0 [ 55.290025][ T533] should_failslab+0x9/0x20 [ 55.294845][ T533] kmem_cache_alloc_trace+0x3a/0x330 [ 55.300459][ T533] percpu_ref_init+0xd0/0x330 [ 55.305377][ T533] ? cgroup_setup_root+0xea0/0xea0 [ 55.312149][ T533] cgroup_apply_control_enable+0x3a2/0x12f0 [ 55.318219][ T533] cgroup_apply_control+0x93/0x710 [ 55.323783][ T533] ? css_next_child+0x160/0x160 [ 55.328850][ T533] ? io_schedule+0x120/0x120 [ 55.333772][ T533] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.339869][ T533] ? __kasan_check_write+0x14/0x20 [ 55.345417][ T533] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.350871][ T533] cgroup_subtree_control_write+0xd19/0x1310 [ 55.357119][ T533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.363174][ T533] ? __kasan_check_write+0x14/0x20 [ 55.368297][ T533] ? _copy_from_iter+0x3fb/0xd60 [ 55.373703][ T533] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.379671][ T533] cgroup_file_write+0x28e/0x590 [ 55.384592][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.390685][ T533] ? mutex_lock+0xa6/0x110 [ 55.395092][ T533] ? mutex_trylock+0xb0/0xb0 [ 55.412878][ T533] ? __kasan_check_write+0x14/0x20 [ 55.418527][ T533] kernfs_fop_write_iter+0x2d0/0x410 [ 55.423798][ T533] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.428899][ T533] vfs_write+0xc1c/0xf40 [ 55.433421][ T533] ? kernel_write+0x3c0/0x3c0 [ 55.438261][ T533] ? mutex_trylock+0xb0/0xb0 [ 55.448138][ T533] ? __fdget_pos+0x26d/0x310 [ 55.452793][ T533] ? ksys_write+0x77/0x2c0 [ 55.457667][ T533] ksys_write+0x198/0x2c0 [ 55.462120][ T533] ? __ia32_sys_read+0x90/0x90 [ 55.466956][ T533] ? debug_smp_processor_id+0x17/0x20 [ 55.472504][ T533] __x64_sys_write+0x7b/0x90 [ 55.477092][ T533] do_syscall_64+0x34/0x70 [ 55.482119][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.487995][ T533] RIP: 0033:0x7fc5d50480e9 [ 55.492393][ T533] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 55.513229][ T533] RSP: 002b:00007fc5d4f9d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.521822][ T533] RAX: ffffffffffffffda RBX: 00007fc5d515b030 RCX: 00007fc5d50480e9 [ 55.530481][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.538568][ T533] RBP: 00007fc5d4f9d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.547010][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.555067][ T533] R13: 00007fff7529f60f R14: 00007fc5d4f9d300 R15: 0000000000022000 [ 55.609551][ T559] FAULT_INJECTION: forcing a failure. [ 55.609551][ T559] name failslab, interval 1, probability 0, space 0, times 0 [ 55.623171][ T559] CPU: 1 PID: 559 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 55.636407][ T559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.648584][ T559] Call Trace: [ 55.652470][ T559] dump_stack_lvl+0x1e2/0x24b [ 55.657575][ T559] ? panic+0x7d7/0x7d7 [ 55.661639][ T559] ? bfq_pos_tree_add_move+0x43e/0x43e [ 55.667271][ T559] ? find_next_bit+0xd6/0x120 [ 55.672319][ T559] ? cpumask_next+0x11/0x30 [ 55.677518][ T559] dump_stack+0x15/0x17 [ 55.682318][ T559] should_fail+0x3c0/0x510 [ 55.687101][ T559] ? percpu_ref_init+0xd0/0x330 [ 55.691933][ T559] __should_failslab+0x9f/0xe0 [ 55.696855][ T559] should_failslab+0x9/0x20 [ 55.701690][ T559] kmem_cache_alloc_trace+0x3a/0x330 [ 55.706949][ T559] percpu_ref_init+0xd0/0x330 [ 55.711717][ T559] ? cgroup_setup_root+0xea0/0xea0 [ 55.716820][ T559] cgroup_apply_control_enable+0x3a2/0x12f0 [ 55.722782][ T559] cgroup_apply_control+0x93/0x710 [ 55.728126][ T559] ? css_next_child+0x160/0x160 [ 55.733074][ T559] ? io_schedule+0x120/0x120 [ 55.737731][ T559] ? kernfs_fop_write_iter+0x15e/0x410 [ 55.743511][ T559] ? __kasan_check_write+0x14/0x20 [ 55.748776][ T559] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 55.754295][ T559] cgroup_subtree_control_write+0xd19/0x1310 [ 55.760247][ T559] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.766636][ T559] ? __kasan_check_write+0x14/0x20 [ 55.771733][ T559] ? _copy_from_iter+0x3fb/0xd60 [ 55.776644][ T559] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 55.782600][ T559] cgroup_file_write+0x28e/0x590 [ 55.787508][ T559] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.792588][ T559] ? mutex_lock+0xa6/0x110 [ 55.796974][ T559] ? mutex_trylock+0xb0/0xb0 [ 55.801552][ T559] ? __kasan_check_write+0x14/0x20 [ 55.806645][ T559] kernfs_fop_write_iter+0x2d0/0x410 [ 55.811910][ T559] ? cgroup_seqfile_stop+0xc0/0xc0 [ 55.816995][ T559] vfs_write+0xc1c/0xf40 [ 55.821219][ T559] ? kernel_write+0x3c0/0x3c0 [ 55.825875][ T559] ? mutex_trylock+0xb0/0xb0 [ 55.830778][ T559] ? __fdget_pos+0x26d/0x310 [ 55.835428][ T559] ? ksys_write+0x77/0x2c0 [ 55.839937][ T559] ksys_write+0x198/0x2c0 [ 55.844629][ T559] ? __ia32_sys_read+0x90/0x90 [ 55.849380][ T559] ? debug_smp_processor_id+0x17/0x20 [ 55.854860][ T559] __x64_sys_write+0x7b/0x90 [ 55.859519][ T559] do_syscall_64+0x34/0x70 [ 55.865095][ T559] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.871072][ T559] RIP: 0033:0x7fdc77d4f0e9 [ 55.875475][ T559] 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 [ 55.895406][ T559] RSP: 002b:00007fdc77cc5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.903974][ T559] RAX: ffffffffffffffda RBX: 00007fdc77e61f60 RCX: 00007fdc77d4f0e9 [ 55.912483][ T559] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 55.920723][ T559] RBP: 00007fdc77cc51d0 R08: 0000000000000000 R09: 0000000000000000 [ 55.928857][ T559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 55.937146][ T559] R13: 00007ffc6da322df R14: 00007fdc77cc5300 R15: 0000000000022000 [ 55.950238][ T429] ------------[ cut here ]------------ [ 55.955824][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1168 mntput_no_expire+0x48a/0x6c0 [ 55.964884][ T429] Modules linked in: [ 55.968910][ T429] CPU: 0 PID: 429 Comm: syz-executor.4 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 55.969654][ T564] FAULT_INJECTION: forcing a failure. [ 55.969654][ T564] name failslab, interval 1, probability 0, space 0, times 0 [ 55.981588][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.981606][ T429] RIP: 0010:mntput_no_expire+0x48a/0x6c0 [ 55.981624][ T429] Code: 48 c7 c2 80 03 04 86 e8 14 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 05 ab a2 ff e9 ea fc ff ff [ 55.995567][ T564] CPU: 1 PID: 564 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 56.006415][ T429] RSP: 0018:ffffc90000f57ba0 EFLAGS: 00010293 [ 56.012354][ T564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.012357][ T564] Call Trace: [ 56.012373][ T564] dump_stack_lvl+0x1e2/0x24b [ 56.012387][ T564] ? bfq_pos_tree_add_move+0x43e/0x43e [ 56.032817][ T429] [ 56.045273][ T564] ? selinux_kernfs_init_security+0x1a8/0x760 [ 56.045284][ T564] dump_stack+0x15/0x17 [ 56.045294][ T564] should_fail+0x3c0/0x510 [ 56.045312][ T564] ? __kernfs_new_node+0x99/0x6e0 [ 56.051448][ T429] RAX: ffffffff81b6928a RBX: 00000000fffffffe RCX: ffff8881067da780 [ 56.061615][ T564] __should_failslab+0x9f/0xe0 [ 56.061627][ T564] should_failslab+0x9/0x20 [ 56.061635][ T564] __kmalloc_track_caller+0x5f/0x350 [ 56.061653][ T564] kstrdup_const+0x55/0x90 [ 56.065015][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000 [ 56.065021][ T429] RBP: ffffc90000f57c70 R08: ffffffff81b68f78 R09: 0000000000000003 [ 56.065027][ T429] R10: fffff520001eaf65 R11: 1ffff920001eaf64 R12: dffffc0000000000 [ 56.065033][ T429] R13: ffff888110b34e00 R14: ffffc90000f57c00 R15: 1ffff920001eaf7c [ 56.065041][ T429] FS: 0000555556d6a400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 56.065047][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.065052][ T429] CR2: 00007ffc6da30cf8 CR3: 000000011ebfb000 CR4: 00000000003506b0 [ 56.065060][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.065065][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.065068][ T429] Call Trace: [ 56.065084][ T429] ? io_schedule+0x120/0x120 [ 56.065094][ T429] ? vfs_submount+0xb0/0xb0 [ 56.065103][ T429] ? shrink_dentry_list+0x4ec/0x500 [ 56.065127][ T429] namespace_unlock+0x448/0x4f0 [ 56.069960][ T564] __kernfs_new_node+0x99/0x6e0 [ 56.069969][ T564] ? is_module_text_address+0xe1/0x140 [ 56.069976][ T564] ? kernfs_new_node+0x170/0x170 [ 56.069985][ T564] ? ptr_to_hashval+0x60/0x60 [ 56.069992][ T564] ? arch_stack_walk+0xf8/0x140 [ 56.070011][ T564] ? snprintf+0xd6/0x120 [ 56.070027][ T564] kernfs_new_node+0x97/0x170 [ 56.075565][ T429] ? umount_tree+0xf50/0xf50 [ 56.077867][ T564] __kernfs_create_file+0x4a/0x270 [ 56.084011][ T429] ? __detach_mounts+0x670/0x670 [ 56.088218][ T564] cgroup_addrm_files+0xab8/0xfe0 [ 56.092838][ T429] ? selinux_umount+0xf0/0x130 [ 56.098578][ T564] ? ____kasan_kmalloc+0xdc/0x110 [ 56.107249][ T429] path_umount+0xf03/0xfb0 [ 56.111963][ T564] ? __kasan_kmalloc+0x9/0x10 [ 56.111972][ T564] ? kmem_cache_alloc_trace+0x1dd/0x330 [ 56.111986][ T564] ? trace_raw_output_cgroup_event+0x1f0/0x1f0 [ 56.116467][ T429] ? namespace_unlock+0x4f0/0x4f0 [ 56.122068][ T564] ? delete_node+0x759/0x7b0 [ 56.122081][ T564] ? __kasan_check_read+0x11/0x20 [ 56.122093][ T564] ? delete_node+0x759/0x7b0 [ 56.126502][ T429] ? user_path_at_empty+0x40/0x50 [ 56.134585][ T564] ? __kasan_check_write+0x14/0x20 [ 56.134598][ T564] ? idr_replace+0x1c4/0x230 [ 56.134615][ T564] ? idr_get_next+0x4b0/0x4b0 [ 56.143277][ T429] __x64_sys_umount+0x122/0x170 [ 56.151823][ T564] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 56.151831][ T564] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 56.151840][ T564] css_populate_dir+0x137/0x370 [ 56.151850][ T564] cgroup_apply_control_enable+0x8b9/0x12f0 [ 56.151867][ T564] cgroup_apply_control+0x93/0x710 [ 56.160298][ T429] ? path_umount+0xfb0/0xfb0 [ 56.169553][ T564] ? css_next_child+0x160/0x160 [ 56.169563][ T564] ? io_schedule+0x120/0x120 [ 56.169572][ T564] ? kernfs_fop_write_iter+0x15e/0x410 [ 56.169591][ T564] ? __kasan_check_write+0x14/0x20 [ 56.176355][ T429] ? debug_smp_processor_id+0x17/0x20 [ 56.184786][ T564] ? cgroup_kn_lock_live+0x1b0/0x2f0 [ 56.184796][ T564] cgroup_subtree_control_write+0xd19/0x1310 [ 56.184807][ T564] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.184816][ T564] ? __kasan_check_write+0x14/0x20 [ 56.184835][ T564] ? _copy_from_iter+0x3fb/0xd60 [ 56.201841][ T429] do_syscall_64+0x34/0x70 [ 56.210023][ T564] ? cgroup_subtree_control_show+0x1d0/0x1d0 [ 56.210031][ T564] cgroup_file_write+0x28e/0x590 [ 56.210039][ T564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.210047][ T564] ? mutex_lock+0xa6/0x110 [ 56.210060][ T564] ? mutex_trylock+0xb0/0xb0 [ 56.214020][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.218664][ T564] ? __kasan_check_write+0x14/0x20 [ 56.218678][ T564] kernfs_fop_write_iter+0x2d0/0x410 [ 56.218686][ T564] ? cgroup_seqfile_stop+0xc0/0xc0 [ 56.218695][ T564] vfs_write+0xc1c/0xf40 [ 56.218704][ T564] ? kernel_write+0x3c0/0x3c0 [ 56.218711][ T564] ? mutex_trylock+0xb0/0xb0 [ 56.218720][ T564] ? __fdget_pos+0x26d/0x310 [ 56.218728][ T564] ? ksys_write+0x77/0x2c0 [ 56.218734][ T564] ksys_write+0x198/0x2c0 [ 56.218742][ T564] ? __ia32_sys_read+0x90/0x90 [ 56.218750][ T564] ? debug_smp_processor_id+0x17/0x20 [ 56.218758][ T564] __x64_sys_write+0x7b/0x90 [ 56.218766][ T564] do_syscall_64+0x34/0x70 [ 56.218775][ T564] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.218782][ T564] RIP: 0033:0x7f6d6cf380e9 [ 56.218791][ 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 [ 56.218797][ T564] RSP: 002b:00007f6d6ce8d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.218809][ T564] RAX: ffffffffffffffda RBX: 00007f6d6d04b030 RCX: 00007f6d6cf380e9 [ 56.218815][ T564] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004 [ 56.218821][ T564] RBP: 00007f6d6ce8d1d0 R08: 0000000000000000 R09: 0000000000000000 [ 56.218826][ T564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 56.218832][ T564] R13: 00007ffe58312cef R14: 00007f6d6ce8d300 R15: 0000000000022000 [ 56.240247][ T564] cgroup: cgroup_addrm_files: failed to add max, err=-12 [ 56.245830][ T429] RIP: 0033:0x7fdc77d50557 [ 56.245841][ T429] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 56.245846][ T429] RSP: 002b:00007ffc6da31438 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 56.680767][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc77d50557 [ 56.688764][ T429] RDX: 00007ffc6da31509 RSI: 000000000000000a RDI: 00007ffc6da31500 [ 56.696814][ T429] RBP: 00007ffc6da31500 R08: 00000000ffffffff R09: 00007ffc6da312d0 [ 56.704979][ T429] R10: 0000555556d6bba3 R11: 0000000000000246 R12: 00007fdc77da81f8 [ 56.713126][ T429] R13: 00007ffc6da325c0 R14: 0000555556d6bb00 R15: 00007ffc6da32600 [ 56.721365][ T429] ---[ end trace b6358a86ae17d048 ]--- [ 56.748933][ C1] list_add corruption. prev->next should be next (ffff8881f735c060), but was ffff888113531870. (prev=ffff888113531870). [ 56.761826][ C1] ------------[ cut here ]------------ [ 56.767733][ C1] kernel BUG at lib/list_debug.c:28! [ 56.773268][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 56.779412][ C1] CPU: 1 PID: 24 Comm: kworker/1:1 Tainted: G W 5.10.117-syzkaller-986968-gfdd06dc6b0f8-dirty #0 [ 56.791818][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.802310][ C1] Workqueue: cgroup_destroy css_free_rwork_fn [ 56.808388][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 56.813830][ 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 [ 56.838228][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 56.844600][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 4944f35c8323b900 [ 56.854471][ C1] RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000 [ 56.862452][ C1] RBP: ffffc90000160a28 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 56.870857][ C1] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffff888113531870 [ 56.879340][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff888113531870 [ 56.887645][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 56.896897][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.903669][ C1] CR2: 00007ffc6da32518 CR3: 0000000005e0f000 CR4: 00000000003506a0 [ 56.912081][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.920561][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.929379][ C1] Call Trace: [ 56.932911][ C1] [ 56.935965][ C1] insert_work+0x107/0x330 [ 56.940831][ C1] __queue_work+0x971/0xd30 [ 56.945484][ C1] queue_work_on+0xf2/0x150 [ 56.950055][ C1] ? wq_worker_last_func+0x50/0x50 [ 56.955808][ C1] ? __alloc_reserved_percpu+0x30/0x30 [ 56.961442][ C1] css_release+0xae/0xc0 [ 56.965664][ C1] percpu_ref_switch_to_atomic_rcu+0x5a2/0x5b0 [ 56.971997][ C1] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 56.978387][ C1] rcu_do_batch+0x59e/0xc40 [ 56.982962][ C1] ? local_bh_enable+0x20/0x20 [ 56.987709][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 56.993258][ C1] ? rcu_report_qs_rnp+0x2e0/0x3b0 [ 56.998632][ C1] rcu_core+0x59b/0xe30 [ 57.002858][ C1] ? rcu_cpu_kthread_park+0x90/0x90 [ 57.008214][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 57.014028][ C1] ? sched_clock+0x3a/0x40 [ 57.018889][ C1] ? sched_clock_cpu+0x1b/0x3b0 [ 57.023858][ C1] ? irqtime_account_irq+0x76/0x270 [ 57.029373][ C1] rcu_core_si+0x9/0x10 [ 57.034677][ C1] __do_softirq+0x27e/0x596 [ 57.039440][ C1] asm_call_irq_on_stack+0xf/0x20 [ 57.044639][ C1] [ 57.047570][ C1] do_softirq_own_stack+0x60/0x80 [ 57.052677][ C1] do_softirq+0xca/0x110 [ 57.056988][ C1] ? __local_bh_enable_ip+0x80/0x80 [ 57.062525][ C1] ? radix_tree_delete_item+0x261/0x360 [ 57.068482][ C1] __local_bh_enable_ip+0x70/0x80 [ 57.073497][ C1] _raw_spin_unlock_bh+0x51/0x60 [ 57.078591][ C1] css_free_rwork_fn+0x106/0x680 [ 57.083993][ C1] process_one_work+0x726/0xc10 [ 57.089101][ C1] worker_thread+0xb27/0x1550 [ 57.093777][ C1] kthread+0x349/0x3d0 [ 57.097840][ C1] ? worker_clr_flags+0x180/0x180 [ 57.106398][ C1] ? kthread_blkcg+0xd0/0xd0 [ 57.111166][ C1] ret_from_fork+0x1f/0x30 [ 57.115919][ C1] Modules linked in: [ 57.119826][ C1] ---[ end trace b6358a86ae17d049 ]--- [ 57.125281][ C1] RIP: 0010:__list_add_valid+0xc6/0xd0 [ 57.131323][ 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 [ 57.153295][ C1] RSP: 0018:ffffc90000160a00 EFLAGS: 00010046 [ 57.159625][ C1] RAX: 0000000000000075 RBX: ffff8881f735c068 RCX: 4944f35c8323b900 [ 57.168029][ C1] RDX: 0000000080000102 RSI: 0000000080000102 RDI: 0000000000000000 [ 57.176702][ C1] RBP: ffffc90000160a28 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 57.185196][ C1] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffff888113531870 [ 57.193248][ C1] R13: dffffc0000000000 R14: ffff8881f735c060 R15: ffff888113531870 [ 57.201467][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 57.210911][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.218301][ C1] CR2: 00007ffc6da32518 CR3: 0000000005e0f000 CR4: 00000000003506a0 [ 57.226433][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.234758][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.243124][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 57.251061][ C1] Kernel Offset: disabled [ 57.255381][ C1] Rebooting in 86400 seconds..