[ 17.929443][ T395] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 17.936859][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 17.945187][ T395] bridge0: port 2(bridge_slave_1) entered blocking state
[ 17.952222][ T395] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 17.959502][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 17.967477][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 18.511042][ T41] device bridge_slave_1 left promiscuous mode
[ 18.517202][ T41] bridge0: port 2(bridge_slave_1) entered disabled state
[ 18.524786][ T41] device bridge_slave_0 left promiscuous mode
[ 18.531055][ T41] bridge0: port 1(bridge_slave_0) entered disabled state
Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts.
[ 36.712694][ T25] kauditd_printk_skb: 65 callbacks suppressed
[ 36.712707][ T25] audit: type=1400 audit(1649783897.050:148): avc: denied { mounton } for pid=422 comm="syz-executor214" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1
[ 36.712926][ T422] cgroup: Unknown subsys name 'net'
[ 36.747635][ T422] cgroup: Unknown subsys name 'devices'
[ 36.753745][ T422] cgroup: Unknown subsys name 'hugetlb'
[ 36.759326][ T422] cgroup: Unknown subsys name 'rlimit'
[ 36.765435][ T25] audit: type=1400 audit(1649783897.110:149): avc: denied { mounton } for pid=422 comm="syz-executor214" 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
[ 36.813734][ T25] audit: type=1400 audit(1649783897.110:150): avc: denied { mount } for pid=422 comm="syz-executor214" 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
[ 36.839724][ T25] audit: type=1400 audit(1649783897.110:151): avc: denied { mounton } for pid=429 comm="syz-executor214" 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
[ 36.868850][ T25] audit: type=1400 audit(1649783897.130:152): avc: denied { mount } for pid=429 comm="syz-executor214" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[ 36.891659][ T25] audit: type=1400 audit(1649783897.130:153): avc: denied { mounton } for pid=435 comm="syz-executor214" path="/root/syzkaller.M2SdNA/0/file0" dev="sda1" ino=1153 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 36.901534][ T442] FAULT_INJECTION: forcing a failure.
[ 36.901534][ T442] name failslab, interval 1, probability 0, space 0, times 1
[ 36.929259][ T442] CPU: 1 PID: 442 Comm: syz-executor214 Not tainted 5.18.0-rc2-syzkaller-dirty #0
[ 36.938560][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 36.948621][ T442] Call Trace:
[ 36.951921][ T442]
[ 36.954861][ T442] dump_stack_lvl+0x151/0x1b7
[ 36.959611][ T442] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 36.965060][ T442] ? pcpu_alloc+0xe83/0x1420
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 36.969644][ T442] dump_stack+0x15/0x17
[ 36.973823][ T442] should_fail+0x3c0/0x510
[ 36.978335][ T442] ? percpu_ref_init+0xc9/0x350
[ 36.983346][ T442] __should_failslab+0x9f/0xe0
[ 36.988295][ T442] should_failslab+0x9/0x20
[ 36.992788][ T442] kmem_cache_alloc_trace+0x4a/0x320
[ 36.998058][ T442] ? cgroup_setup_root+0xec0/0xec0
[ 37.003151][ T442] percpu_ref_init+0xc9/0x350
[ 37.007821][ T442] ? cgroup_setup_root+0xec0/0xec0
[ 37.013043][ T442] cgroup_apply_control_enable+0x383/0x10c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 37.019004][ T442] cgroup_apply_control+0x93/0x710
[ 37.024201][ T442] ? css_next_child+0x160/0x160
[ 37.029045][ T442] ? wake_bit_function+0x230/0x230
[ 37.034146][ T442] ? kernfs_fop_write_iter+0x15b/0x410
[ 37.040179][ T442] ? __kasan_check_write+0x14/0x20
[ 37.045295][ T442] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 37.050559][ T442] cgroup_subtree_control_write+0xdde/0x1340
[ 37.056719][ T442] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 37.062682][ T442] ? __kasan_check_write+0x14/0x20
[ 37.067780][ T442] ? _copy_from_iter+0x360/0xed0
[ 37.072708][ T442] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 37.078675][ T442] cgroup_file_write+0x28e/0x590
[ 37.083860][ T442] ? cgroup_seqfile_stop+0xc0/0xc0
[ 37.088968][ T442] ? bit_wait_io_timeout+0x110/0x110
[ 37.094240][ T442] ? __kasan_check_write+0x14/0x20
[ 37.099428][ T442] kernfs_fop_write_iter+0x2cd/0x410
[ 37.104717][ T442] ? cgroup_seqfile_stop+0xc0/0xc0
[ 37.109818][ T442] vfs_write+0xbb4/0xf30
[ 37.114051][ T442] ? file_end_write+0x1b0/0x1b0
[ 37.118885][ T442] ? mutex_lock+0xb6/0x130
[ 37.123291][ T442] ? bit_wait_io_timeout+0x110/0x110
[ 37.128556][ T442] ? __fdget_pos+0x26d/0x310
[ 37.133125][ T442] ? ksys_write+0x77/0x2c0
[ 37.137533][ T442] ksys_write+0x198/0x2c0
[ 37.141845][ T442] ? __ia32_sys_read+0x90/0x90
[ 37.146603][ T442] ? debug_smp_processor_id+0x17/0x20
[ 37.151964][ T442] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 37.158095][ T442] __x64_sys_write+0x7b/0x90
[ 37.162681][ T442] do_syscall_64+0x2f/0x50
[ 37.167165][ T442] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 37.173036][ T442] RIP: 0033:0x7f2a75dbc249
[ 37.177528][ T442] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 37.197199][ T442] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 37.205590][ T442] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 37.213541][ T442] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 37.221598][ T442] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 37.229703][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 37.237664][ T442] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 37.245735][ T442]
[ 37.291379][ T443] FAULT_INJECTION: forcing a failure.
[ 37.291379][ T443] name failslab, interval 1, probability 0, space 0, times 0
[ 37.304118][ T443] CPU: 1 PID: 443 Comm: syz-executor214 Not tainted 5.18.0-rc2-syzkaller-dirty #0
[ 37.313403][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 37.323531][ T443] Call Trace:
[ 37.326804][ T443]
[ 37.329724][ T443] dump_stack_lvl+0x151/0x1b7
[ 37.334390][ T443] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 37.339837][ T443] ? pcpu_alloc+0xe83/0x1420
[ 37.344513][ T443] dump_stack+0x15/0x17
[ 37.348659][ T443] should_fail+0x3c0/0x510
[ 37.353078][ T443] ? percpu_ref_init+0xc9/0x350
[ 37.357922][ T443] __should_failslab+0x9f/0xe0
[ 37.362666][ T443] should_failslab+0x9/0x20
[ 37.367269][ T443] kmem_cache_alloc_trace+0x4a/0x320
[ 37.372545][ T443] ? cgroup_setup_root+0xec0/0xec0
[ 37.377649][ T443] percpu_ref_init+0xc9/0x350
[ 37.382321][ T443] ? cgroup_setup_root+0xec0/0xec0
[ 37.387585][ T443] cgroup_apply_control_enable+0x383/0x10c0
[ 37.393484][ T443] cgroup_apply_control+0x93/0x710
[ 37.398765][ T443] ? css_next_child+0x160/0x160
[ 37.403616][ T443] ? wake_bit_function+0x230/0x230
[ 37.409346][ T443] ? kernfs_fop_write_iter+0x15b/0x410
[ 37.414804][ T443] ? __kasan_check_write+0x14/0x20
[ 37.420149][ T443] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 37.425527][ T443] cgroup_subtree_control_write+0xdde/0x1340
[ 37.431495][ T443] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 37.438775][ T443] ? __kasan_check_write+0x14/0x20
[ 37.443961][ T443] ? _copy_from_iter+0x360/0xed0
[ 37.448878][ T443] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 37.454838][ T443] cgroup_file_write+0x28e/0x590
[ 37.459757][ T443] ? cgroup_seqfile_stop+0xc0/0xc0
[ 37.464845][ T443] ? bit_wait_io_timeout+0x110/0x110
[ 37.470217][ T443] ? __kasan_check_write+0x14/0x20
[ 37.475471][ T443] kernfs_fop_write_iter+0x2cd/0x410
[ 37.480756][ T443] ? cgroup_seqfile_stop+0xc0/0xc0
[ 37.485858][ T443] vfs_write+0xbb4/0xf30
[ 37.490088][ T443] ? file_end_write+0x1b0/0x1b0
[ 37.495090][ T443] ? mutex_lock+0xec/0x130
[ 37.499516][ T443] ? bit_wait_io_timeout+0x110/0x110
[ 37.504780][ T443] ? __fdget_pos+0x26d/0x310
[ 37.509364][ T443] ? ksys_write+0x77/0x2c0
[ 37.513765][ T443] ksys_write+0x198/0x2c0
[ 37.518081][ T443] ? __ia32_sys_read+0x90/0x90
[ 37.522821][ T443] ? debug_smp_processor_id+0x17/0x20
[ 37.528194][ T443] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 37.534435][ T443] __x64_sys_write+0x7b/0x90
[ 37.539031][ T443] do_syscall_64+0x2f/0x50
[ 37.543614][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 37.549642][ T443] RIP: 0033:0x7f2a75dbc249
[ 37.554139][ T443] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 37.573774][ T443] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 37.582493][ T443] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 37.590449][ T443] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 37.598546][ T443] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 37.607126][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 37.615084][ T443] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 37.623049][ T443]
[ 37.681289][ T436] FAULT_INJECTION: forcing a failure.
[ 37.681289][ T436] name failslab, interval 1, probability 0, space 0, times 0
[ 37.694146][ T436] CPU: 0 PID: 436 Comm: syz-executor214 Not tainted 5.18.0-rc2-syzkaller-dirty #0
[ 37.703413][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 37.713460][ T436] Call Trace:
[ 37.716731][ T436]
[ 37.719647][ T436] dump_stack_lvl+0x151/0x1b7
[ 37.724316][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 37.729836][ T436] ? selinux_kernfs_init_security+0x1a8/0x760
[ 37.735976][ T436] dump_stack+0x15/0x17
[ 37.740528][ T436] should_fail+0x3c0/0x510
[ 37.746086][ T436] __should_failslab+0x9f/0xe0
[ 37.751386][ T436] should_failslab+0x9/0x20
[ 37.755986][ T436] kmem_cache_alloc+0x4f/0x300
[ 37.760937][ T436] ? __kernfs_new_node+0xdb/0x6e0
[ 37.765967][ T436] __kernfs_new_node+0xdb/0x6e0
[ 37.770828][ T436] ? stack_trace_save+0x1f0/0x1f0
[ 37.776023][ T436] ? kernfs_new_node+0x170/0x170
[ 37.781040][ T436] ? ptr_to_hashval+0x60/0x60
[ 37.785718][ T436] ? up_read+0x1b0/0x1b0
[ 37.790074][ T436] ? snprintf+0xd6/0x120
[ 37.794311][ T436] kernfs_new_node+0x97/0x170
[ 37.798990][ T436] __kernfs_create_file+0x4a/0x270
[ 37.804088][ T436] cgroup_addrm_files+0xab8/0xfe0
[ 37.809372][ T436] ? ____kasan_kmalloc+0xdc/0x110
[ 37.814388][ T436] ? __kasan_kmalloc+0x9/0x10
[ 37.819531][ T436] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 37.825096][ T436] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 37.832113][ T436] ? delete_node+0x759/0x7b0
[ 37.836779][ T436] ? __kasan_check_read+0x11/0x20
[ 37.841885][ T436] ? idr_replace+0x1c4/0x230
[ 37.846557][ T436] ? idr_get_next+0x4b0/0x4b0
[ 37.851322][ T436] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 37.856506][ T436] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 37.861694][ T436] css_populate_dir+0x137/0x370
[ 37.866621][ T436] cgroup_apply_control_enable+0x889/0x10c0
[ 37.872500][ T436] cgroup_apply_control+0x93/0x710
[ 37.877590][ T436] ? css_next_child+0x160/0x160
[ 37.882696][ T436] ? wake_bit_function+0x230/0x230
[ 37.887787][ T436] ? kernfs_fop_write_iter+0x15b/0x410
[ 37.893228][ T436] ? __kasan_check_write+0x14/0x20
[ 37.898320][ T436] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 37.903592][ T436] cgroup_subtree_control_write+0xdde/0x1340
[ 37.909559][ T436] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 37.915618][ T436] ? __kasan_check_write+0x14/0x20
[ 37.920713][ T436] ? _copy_from_iter+0x360/0xed0
[ 37.925636][ T436] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 37.931600][ T436] cgroup_file_write+0x28e/0x590
[ 37.936518][ T436] ? cgroup_seqfile_stop+0xc0/0xc0
[ 37.941625][ T436] ? bit_wait_io_timeout+0x110/0x110
[ 37.946898][ T436] ? __kasan_check_write+0x14/0x20
[ 37.951989][ T436] kernfs_fop_write_iter+0x2cd/0x410
[ 37.957430][ T436] ? cgroup_seqfile_stop+0xc0/0xc0
[ 37.962523][ T436] vfs_write+0xbb4/0xf30
[ 37.966750][ T436] ? file_end_write+0x1b0/0x1b0
[ 37.971584][ T436] ? mutex_lock+0xb6/0x130
[ 37.975995][ T436] ? bit_wait_io_timeout+0x110/0x110
[ 37.981263][ T436] ? __fdget_pos+0x26d/0x310
[ 37.985837][ T436] ? ksys_write+0x77/0x2c0
[ 37.990232][ T436] ksys_write+0x198/0x2c0
[ 37.994541][ T436] ? __ia32_sys_read+0x90/0x90
[ 37.999292][ T436] ? debug_smp_processor_id+0x17/0x20
[ 38.004644][ T436] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 38.010691][ T436] __x64_sys_write+0x7b/0x90
[ 38.015264][ T436] do_syscall_64+0x2f/0x50
[ 38.019668][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 38.025633][ T436] RIP: 0033:0x7f2a75dbc249
[ 38.030032][ T436] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 38.049793][ T436] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 38.058188][ T436] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 38.066141][ T436] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 38.074106][ T436] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 38.082066][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 38.090369][ T436] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 38.098326][ T436]
[ 38.101484][ T436] cgroup: cgroup_addrm_files: failed to add events, err=-12
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 38.141212][ T451] FAULT_INJECTION: forcing a failure.
[ 38.141212][ T451] name failslab, interval 1, probability 0, space 0, times 0
[ 38.153876][ T451] CPU: 1 PID: 451 Comm: syz-executor214 Not tainted 5.18.0-rc2-syzkaller-dirty #0
[ 38.163325][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 38.173642][ T451] Call Trace:
[ 38.176920][ T451]
[ 38.179922][ T451] dump_stack_lvl+0x151/0x1b7
[ 38.184894][ T451] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 38.190568][ T451] ? pcpu_alloc+0xe83/0x1420
[ 38.195164][ T451] dump_stack+0x15/0x17
[ 38.199309][ T451] should_fail+0x3c0/0x510
[ 38.203732][ T451] ? percpu_ref_init+0xc9/0x350
[ 38.208579][ T451] __should_failslab+0x9f/0xe0
[ 38.213678][ T451] should_failslab+0x9/0x20
[ 38.218584][ T451] kmem_cache_alloc_trace+0x4a/0x320
[ 38.223886][ T451] ? cgroup_setup_root+0xec0/0xec0
[ 38.229146][ T451] percpu_ref_init+0xc9/0x350
[ 38.234548][ T451] ? cgroup_setup_root+0xec0/0xec0
[ 38.239813][ T451] cgroup_apply_control_enable+0x383/0x10c0
[ 38.245811][ T451] cgroup_apply_control+0x93/0x710
[ 38.251146][ T451] ? css_next_child+0x160/0x160
[ 38.256015][ T451] ? irqentry_exit+0x30/0x40
[ 38.260598][ T451] ? sysvec_apic_timer_interrupt+0x55/0xc0
[ 38.266410][ T451] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 38.272668][ T451] cgroup_subtree_control_write+0xdde/0x1340
[ 38.278905][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 38.285358][ T451] ? __kasan_check_write+0x14/0x20
[ 38.290556][ T451] ? _copy_from_iter+0x360/0xed0
[ 38.295487][ T451] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 38.301460][ T451] cgroup_file_write+0x28e/0x590
[ 38.306484][ T451] ? cgroup_seqfile_stop+0xc0/0xc0
[ 38.311697][ T451] ? bit_wait_io_timeout+0x110/0x110
[ 38.316997][ T451] ? __kasan_check_write+0x14/0x20
[ 38.322185][ T451] kernfs_fop_write_iter+0x2cd/0x410
[ 38.327487][ T451] ? cgroup_seqfile_stop+0xc0/0xc0
[ 38.332616][ T451] vfs_write+0xbb4/0xf30
[ 38.336945][ T451] ? file_end_write+0x1b0/0x1b0
[ 38.341893][ T451] ? mutex_lock+0xec/0x130
[ 38.346306][ T451] ? bit_wait_io_timeout+0x110/0x110
[ 38.351631][ T451] ? __fdget_pos+0x26d/0x310
[ 38.356380][ T451] ? ksys_write+0x77/0x2c0
[ 38.360789][ T451] ksys_write+0x198/0x2c0
[ 38.365121][ T451] ? __ia32_sys_read+0x90/0x90
[ 38.370297][ T451] ? debug_smp_processor_id+0x17/0x20
[ 38.375762][ T451] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 38.381824][ T451] __x64_sys_write+0x7b/0x90
[ 38.386422][ T451] do_syscall_64+0x2f/0x50
[ 38.390938][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 38.397022][ T451] RIP: 0033:0x7f2a75dbc249
[ 38.401424][ T451] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 38.421099][ T451] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 38.429496][ T451] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 38.437542][ T451] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 38.445499][ T451] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 38.453558][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 38.461521][ T451] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 38.469574][ T451]
[ 38.511348][ T457] FAULT_INJECTION: forcing a failure.
[ 38.511348][ T457] name failslab, interval 1, probability 0, space 0, times 0
[ 38.524276][ T457] CPU: 1 PID: 457 Comm: syz-executor214 Not tainted 5.18.0-rc2-syzkaller-dirty #0
[ 38.533556][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 38.543699][ T457] Call Trace:
[ 38.548710][ T457]
[ 38.551628][ T457] dump_stack_lvl+0x151/0x1b7
[ 38.556404][ T457] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 38.562807][ T457] ? pcpu_alloc+0xe83/0x1420
[ 38.567384][ T457] dump_stack+0x15/0x17
[ 38.571518][ T457] should_fail+0x3c0/0x510
[ 38.576263][ T457] ? percpu_ref_init+0xc9/0x350
[ 38.581186][ T457] __should_failslab+0x9f/0xe0
[ 38.585977][ T457] should_failslab+0x9/0x20
[ 38.590462][ T457] kmem_cache_alloc_trace+0x4a/0x320
[ 38.595764][ T457] ? cgroup_setup_root+0xec0/0xec0
[ 38.600862][ T457] percpu_ref_init+0xc9/0x350
[ 38.606319][ T457] ? cgroup_setup_root+0xec0/0xec0
[ 38.611419][ T457] cgroup_apply_control_enable+0x383/0x10c0
[ 38.617309][ T457] cgroup_apply_control+0x93/0x710
[ 38.622408][ T457] ? css_next_child+0x160/0x160
[ 38.627244][ T457] ? wake_bit_function+0x230/0x230
[ 38.632352][ T457] ? kernfs_fop_write_iter+0x15b/0x410
[ 38.637931][ T457] ? __kasan_check_write+0x14/0x20
[ 38.643144][ T457] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 38.648460][ T457] cgroup_subtree_control_write+0xdde/0x1340
[ 38.654434][ T457] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 38.660417][ T457] ? __kasan_check_write+0x14/0x20
[ 38.665702][ T457] ? _copy_from_iter+0x360/0xed0
[ 38.670627][ T457] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 38.677291][ T457] cgroup_file_write+0x28e/0x590
[ 38.682303][ T457] ? cgroup_seqfile_stop+0xc0/0xc0
[ 38.687405][ T457] ? bit_wait_io_timeout+0x110/0x110
[ 38.693460][ T457] ? __kasan_check_write+0x14/0x20
[ 38.698642][ T457] kernfs_fop_write_iter+0x2cd/0x410
[ 38.704093][ T457] ? cgroup_seqfile_stop+0xc0/0xc0
[ 38.709278][ T457] vfs_write+0xbb4/0xf30
[ 38.713592][ T457] ? file_end_write+0x1b0/0x1b0
[ 38.718427][ T457] ? mutex_lock+0xb6/0x130
[ 38.722912][ T457] ? bit_wait_io_timeout+0x110/0x110
[ 38.728184][ T457] ? __fdget_pos+0x26d/0x310
[ 38.732755][ T457] ? ksys_write+0x77/0x2c0
[ 38.737152][ T457] ksys_write+0x198/0x2c0
[ 38.741639][ T457] ? __ia32_sys_read+0x90/0x90
[ 38.746390][ T457] ? debug_smp_processor_id+0x17/0x20
[ 38.751744][ T457] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 38.757911][ T457] __x64_sys_write+0x7b/0x90
[ 38.762490][ T457] do_syscall_64+0x2f/0x50
[ 38.766918][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 38.772801][ T457] RIP: 0033:0x7f2a75dbc249
[ 38.777203][ T457] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 38.796882][ T457] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 38.805282][ T457] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 38.813243][ T457] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 38.821282][ T457] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 38.829232][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 38.837190][ T457] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 38.845142][ T457]
[ 38.850585][ T430] ------------[ cut here ]------------
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 38.856093][ T430] WARNING: CPU: 1 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 38.865100][ T430] Modules linked in:
[ 38.869070][ T430] CPU: 1 PID: 430 Comm: syz-executor214 Not tainted 5.18.0-rc2-syzkaller-dirty #0
[ 38.878308][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 38.888567][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 38.894386][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 38.914025][ T430] RSP: 0018:ffffc9000161fba0 EFLAGS: 00010293
[ 38.920123][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 38.928175][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 38.936174][ T430] RBP: ffffc9000161fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 38.944485][ T430] R10: fffff520002c3f65 R11: 1ffff920002c3f64 R12: dffffc0000000000
[ 38.952570][ T430] R13: ffff88812068b980 R14: ffffc9000161fc00 R15: 1ffff920002c3f7c
[ 38.961087][ T430] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 38.970019][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 38.976630][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506a0
[ 38.984621][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 38.992627][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 39.000714][ T430] Call Trace:
[ 39.004097][ T430]
[ 39.007227][ T430] ? __kasan_check_write+0x14/0x20
[ 39.012356][ T430] ? up_write+0xa1/0x190
[ 39.016612][ T430] ? vfs_submount+0xb0/0xb0
[ 39.021217][ T430] ? change_mnt_propagation+0x8de/0xbc0
[ 39.026853][ T430] namespace_unlock+0x448/0x4f0
[ 39.031807][ T430] ? umount_tree+0xf40/0xf40
[ 39.036398][ T430] ? __detach_mounts+0x670/0x670
[ 39.041378][ T430] ? selinux_umount+0xf3/0x130
[ 39.046407][ T430] ? security_sb_umount+0x9d/0xb0
[ 39.051640][ T430] path_umount+0xe89/0xf40
[ 39.056070][ T430] ? __kasan_slab_free+0x11/0x20
[ 39.061029][ T430] ? user_path_at_empty+0x152/0x1b0
[ 39.066310][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 39.071375][ T430] ? user_path_at_empty+0x152/0x1b0
[ 39.077029][ T430] __x64_sys_umount+0x122/0x170
[ 39.081899][ T430] ? path_umount+0xf40/0xf40
[ 39.086501][ T430] ? debug_smp_processor_id+0x17/0x20
[ 39.091901][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 39.097557][ T430] do_syscall_64+0x2f/0x50
[ 39.102012][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 39.107904][ T430] RIP: 0033:0x7f2a75dbd657
[ 39.112435][ 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
[ 39.132267][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 39.140671][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 39.148741][ T430] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 39.156741][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 39.164828][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 39.172936][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 39.181275][ T430]
[ 39.184292][ T430] ---[ end trace 0000000000000000 ]---
[ 39.189822][ T430] ------------[ cut here ]------------
[ 39.195414][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 39.204478][ T430] Modules linked in:
[ 39.208532][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 39.219183][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 39.229258][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 39.234916][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 39.254541][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 39.260589][ T430] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd14300
[ 39.268585][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 39.276584][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 39.284663][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 39.292665][ T430] R13: ffff88812068b980 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 39.301170][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 39.310247][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 39.316863][ T430] CR2: 00007f2a75e05a28 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 39.324858][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 39.332961][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 39.340950][ T430] Call Trace:
[ 39.344217][ T430]
[ 39.347148][ T430] ? lockref_get_or_lock+0x340/0x340
[ 39.352588][ T430] ? umount_tree+0xf40/0xf40
[ 39.357216][ T430] ? vfs_submount+0xb0/0xb0
[ 39.361767][ T430] ? dput+0x2b6/0x320
[ 39.365747][ T430] path_umount+0x1e0/0xf40
[ 39.370160][ T430] ? __kasan_slab_free+0x11/0x20
[ 39.375107][ T430] ? user_path_at_empty+0x152/0x1b0
[ 39.380323][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 39.385366][ T430] ? user_path_at_empty+0x152/0x1b0
[ 39.390557][ T430] __x64_sys_umount+0x122/0x170
[ 39.395674][ T430] ? path_umount+0xf40/0xf40
[ 39.400323][ T430] ? debug_smp_processor_id+0x17/0x20
[ 39.405833][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 39.411570][ T430] do_syscall_64+0x2f/0x50
[ 39.416125][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 39.422215][ T430] RIP: 0033:0x7f2a75dbd657
[ 39.426647][ 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
[ 39.446521][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 39.455102][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 39.463128][ T430] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 39.471249][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 39.479337][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 39.487430][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 39.495438][ T430]
[ 39.498442][ T430] ---[ end trace 0000000000000000 ]---
[ 39.521136][ T450] FAULT_INJECTION: forcing a failure.
[ 39.521136][ T450] name failslab, interval 1, probability 0, space 0, times 0
[ 39.533931][ T450] CPU: 0 PID: 450 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 39.544947][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 39.555009][ T450] Call Trace:
[ 39.558304][ T450]
[ 39.561248][ T450] dump_stack_lvl+0x151/0x1b7
[ 39.565941][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 39.571481][ T450] ? selinux_kernfs_init_security+0x1a8/0x760
[ 39.577550][ T450] dump_stack+0x15/0x17
[ 39.581721][ T450] should_fail+0x3c0/0x510
[ 39.586147][ T450] ? __kernfs_new_node+0x99/0x6e0
[ 39.591161][ T450] __should_failslab+0x9f/0xe0
[ 39.595918][ T450] should_failslab+0x9/0x20
[ 39.600451][ T450] __kmalloc_track_caller+0x6c/0x340
[ 39.605722][ T450] kstrdup_const+0x55/0x90
[ 39.610153][ T450] __kernfs_new_node+0x99/0x6e0
[ 39.615125][ T450] ? stack_trace_save+0x1f0/0x1f0
[ 39.620134][ T450] ? kernfs_new_node+0x170/0x170
[ 39.625071][ T450] ? ptr_to_hashval+0x60/0x60
[ 39.629903][ T450] ? arch_stack_walk+0xf8/0x140
[ 39.634864][ T450] ? snprintf+0xd6/0x120
[ 39.639109][ T450] kernfs_new_node+0x97/0x170
[ 39.643886][ T450] __kernfs_create_file+0x4a/0x270
[ 39.648993][ T450] cgroup_addrm_files+0xab8/0xfe0
[ 39.654021][ T450] ? ____kasan_kmalloc+0xdc/0x110
[ 39.659050][ T450] ? __kasan_kmalloc+0x9/0x10
[ 39.663831][ T450] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 39.669371][ T450] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 39.675533][ T450] ? delete_node+0x759/0x7b0
[ 39.680126][ T450] ? __kasan_check_read+0x11/0x20
[ 39.685171][ T450] ? delete_node+0x759/0x7b0
[ 39.690019][ T450] ? __kasan_check_write+0x14/0x20
[ 39.695144][ T450] ? idr_replace+0x1c4/0x230
[ 39.699809][ T450] ? idr_get_next+0x4b0/0x4b0
[ 39.709986][ T450] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 39.715288][ T450] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 39.720811][ T450] css_populate_dir+0x137/0x370
[ 39.725660][ T450] cgroup_apply_control_enable+0x889/0x10c0
[ 39.731559][ T450] cgroup_apply_control+0x93/0x710
[ 39.736658][ T450] ? css_next_child+0x160/0x160
[ 39.743169][ T450] ? wake_bit_function+0x230/0x230
[ 39.750297][ T450] ? kernfs_fop_write_iter+0x15b/0x410
[ 39.757531][ T450] ? __kasan_check_write+0x14/0x20
[ 39.765777][ T450] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 39.771572][ T450] cgroup_subtree_control_write+0xdde/0x1340
[ 39.777736][ T450] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 39.783730][ T450] ? __kasan_check_write+0x14/0x20
[ 39.788827][ T450] ? _copy_from_iter+0x360/0xed0
[ 39.793807][ T450] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 39.799791][ T450] cgroup_file_write+0x28e/0x590
[ 39.804714][ T450] ? cgroup_seqfile_stop+0xc0/0xc0
[ 39.809808][ T450] ? bit_wait_io_timeout+0x110/0x110
[ 39.815087][ T450] ? __kasan_check_write+0x14/0x20
[ 39.820215][ T450] kernfs_fop_write_iter+0x2cd/0x410
[ 39.825490][ T450] ? cgroup_seqfile_stop+0xc0/0xc0
[ 39.830596][ T450] vfs_write+0xbb4/0xf30
[ 39.834843][ T450] ? file_end_write+0x1b0/0x1b0
[ 39.839680][ T450] ? mutex_lock+0xec/0x130
[ 39.844099][ T450] ? bit_wait_io_timeout+0x110/0x110
[ 39.849367][ T450] ? __fdget_pos+0x26d/0x310
[ 39.853939][ T450] ? ksys_write+0x77/0x2c0
[ 39.858337][ T450] ksys_write+0x198/0x2c0
[ 39.862649][ T450] ? __ia32_sys_read+0x90/0x90
[ 39.867393][ T450] ? debug_smp_processor_id+0x17/0x20
[ 39.872747][ T450] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 39.878908][ T450] __x64_sys_write+0x7b/0x90
[ 39.883482][ T450] do_syscall_64+0x2f/0x50
[ 39.887887][ T450] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 39.893764][ T450] RIP: 0033:0x7f2a75dbc249
[ 39.898248][ T450] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 39.917835][ T450] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 39.926228][ T450] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 39.934183][ T450] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 39.942215][ T450] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 39.950169][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 39.958128][ T450] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 39.966100][ T450]
[ 39.969617][ T450] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 40.021347][ T460] FAULT_INJECTION: forcing a failure.
[ 40.021347][ T460] name failslab, interval 1, probability 0, space 0, times 0
[ 40.034378][ T460] CPU: 0 PID: 460 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 40.044969][ T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.055027][ T460] Call Trace:
[ 40.058286][ T460]
[ 40.061198][ T460] dump_stack_lvl+0x151/0x1b7
[ 40.065855][ T460] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 40.071306][ T460] ? pcpu_alloc+0xe83/0x1420
[ 40.075890][ T460] dump_stack+0x15/0x17
[ 40.080030][ T460] should_fail+0x3c0/0x510
[ 40.084423][ T460] ? percpu_ref_init+0xc9/0x350
[ 40.089340][ T460] __should_failslab+0x9f/0xe0
[ 40.094087][ T460] should_failslab+0x9/0x20
[ 40.098774][ T460] kmem_cache_alloc_trace+0x4a/0x320
[ 40.104068][ T460] ? cgroup_setup_root+0xec0/0xec0
[ 40.109192][ T460] percpu_ref_init+0xc9/0x350
[ 40.113862][ T460] ? cgroup_setup_root+0xec0/0xec0
[ 40.118965][ T460] cgroup_apply_control_enable+0x383/0x10c0
[ 40.124850][ T460] cgroup_apply_control+0x93/0x710
[ 40.129949][ T460] ? css_next_child+0x160/0x160
[ 40.134879][ T460] ? wake_bit_function+0x230/0x230
[ 40.139967][ T460] ? kernfs_fop_write_iter+0x15b/0x410
[ 40.145403][ T460] ? __kasan_check_write+0x14/0x20
[ 40.150583][ T460] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 40.155853][ T460] cgroup_subtree_control_write+0xdde/0x1340
[ 40.161820][ T460] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.167797][ T460] ? __kasan_check_write+0x14/0x20
[ 40.172908][ T460] ? _copy_from_iter+0x360/0xed0
[ 40.177948][ T460] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.183912][ T460] cgroup_file_write+0x28e/0x590
[ 40.188844][ T460] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.193938][ T460] ? bit_wait_io_timeout+0x110/0x110
[ 40.199256][ T460] ? __kasan_check_write+0x14/0x20
[ 40.204349][ T460] kernfs_fop_write_iter+0x2cd/0x410
[ 40.209634][ T460] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.214722][ T460] vfs_write+0xbb4/0xf30
[ 40.218942][ T460] ? file_end_write+0x1b0/0x1b0
[ 40.223774][ T460] ? mutex_lock+0xec/0x130
[ 40.228168][ T460] ? bit_wait_io_timeout+0x110/0x110
[ 40.233522][ T460] ? __fdget_pos+0x26d/0x310
[ 40.238107][ T460] ? ksys_write+0x77/0x2c0
[ 40.242524][ T460] ksys_write+0x198/0x2c0
[ 40.246846][ T460] ? __ia32_sys_read+0x90/0x90
[ 40.251586][ T460] ? debug_smp_processor_id+0x17/0x20
[ 40.256945][ T460] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 40.263076][ T460] __x64_sys_write+0x7b/0x90
[ 40.267647][ T460] do_syscall_64+0x2f/0x50
[ 40.272059][ T460] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 40.277940][ T460] RIP: 0033:0x7f2a75dbc249
[ 40.282338][ T460] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 40.302045][ T460] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 40.310564][ T460] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 40.318624][ T460] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 40.326577][ T460] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 40.334539][ T460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 40.342526][ T460] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 40.350606][ T460]
[ 40.401404][ T455] FAULT_INJECTION: forcing a failure.
[ 40.401404][ T455] name failslab, interval 1, probability 0, space 0, times 0
[ 40.414234][ T455] CPU: 0 PID: 455 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 40.424803][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.434959][ T455] Call Trace:
[ 40.438249][ T455]
[ 40.441171][ T455] dump_stack_lvl+0x151/0x1b7
[ 40.445833][ T455] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 40.451275][ T455] dump_stack+0x15/0x17
[ 40.455427][ T455] should_fail+0x3c0/0x510
[ 40.459825][ T455] ? pids_css_alloc+0x4e/0x120
[ 40.464593][ T455] __should_failslab+0x9f/0xe0
[ 40.469337][ T455] should_failslab+0x9/0x20
[ 40.473820][ T455] kmem_cache_alloc_trace+0x4a/0x320
[ 40.479089][ T455] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 40.484278][ T455] pids_css_alloc+0x4e/0x120
[ 40.488857][ T455] cgroup_apply_control_enable+0x335/0x10c0
[ 40.494736][ T455] cgroup_apply_control+0x93/0x710
[ 40.499827][ T455] ? css_next_child+0x160/0x160
[ 40.504660][ T455] ? wake_bit_function+0x230/0x230
[ 40.509755][ T455] ? kernfs_fop_write_iter+0x15b/0x410
[ 40.515286][ T455] ? __kasan_check_write+0x14/0x20
[ 40.520379][ T455] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 40.525644][ T455] cgroup_subtree_control_write+0xdde/0x1340
[ 40.531611][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.537573][ T455] ? __kasan_check_write+0x14/0x20
[ 40.542667][ T455] ? _copy_from_iter+0x360/0xed0
[ 40.547600][ T455] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 40.553563][ T455] cgroup_file_write+0x28e/0x590
[ 40.558482][ T455] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.563660][ T455] ? bit_wait_io_timeout+0x110/0x110
[ 40.569031][ T455] ? __kasan_check_write+0x14/0x20
[ 40.574143][ T455] kernfs_fop_write_iter+0x2cd/0x410
[ 40.579427][ T455] ? cgroup_seqfile_stop+0xc0/0xc0
[ 40.584529][ T455] vfs_write+0xbb4/0xf30
[ 40.588768][ T455] ? file_end_write+0x1b0/0x1b0
[ 40.593598][ T455] ? mutex_lock+0xec/0x130
[ 40.598081][ T455] ? bit_wait_io_timeout+0x110/0x110
[ 40.603432][ T455] ? __fdget_pos+0x26d/0x310
[ 40.608002][ T455] ? ksys_write+0x77/0x2c0
[ 40.612401][ T455] ksys_write+0x198/0x2c0
[ 40.616713][ T455] ? __ia32_sys_read+0x90/0x90
[ 40.621470][ T455] ? debug_smp_processor_id+0x17/0x20
[ 40.627008][ T455] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 40.633062][ T455] __x64_sys_write+0x7b/0x90
[ 40.637637][ T455] do_syscall_64+0x2f/0x50
[ 40.642047][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 40.647926][ T455] RIP: 0033:0x7f2a75dbc249
[ 40.652323][ T455] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 40.672006][ T455] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 40.680426][ T455] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 40.688382][ T455] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 40.696423][ T455] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 40.704549][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 40.712682][ T455] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 40.720918][ T455]
[ 40.771395][ T463] FAULT_INJECTION: forcing a failure.
[ 40.771395][ T463] name failslab, interval 1, probability 0, space 0, times 0
[ 40.784182][ T463] CPU: 0 PID: 463 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 40.794943][ T463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.805015][ T463] Call Trace:
[ 40.808298][ T463]
[ 40.811333][ T463] dump_stack_lvl+0x151/0x1b7
[ 40.816021][ T463] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 40.821477][ T463] ? selinux_kernfs_init_security+0x1a8/0x760
[ 40.827627][ T463] dump_stack+0x15/0x17
[ 40.831780][ T463] should_fail+0x3c0/0x510
[ 40.836298][ T463] ? __kernfs_new_node+0x99/0x6e0
[ 40.841740][ T463] __should_failslab+0x9f/0xe0
[ 40.846494][ T463] should_failslab+0x9/0x20
[ 40.851011][ T463] __kmalloc_track_caller+0x6c/0x340
[ 40.856363][ T463] kstrdup_const+0x55/0x90
[ 40.860852][ T463] __kernfs_new_node+0x99/0x6e0
[ 40.865811][ T463] ? stack_trace_save+0x1f0/0x1f0
[ 40.871026][ T463] ? kernfs_new_node+0x170/0x170
[ 40.876185][ T463] ? ptr_to_hashval+0x60/0x60
[ 40.880850][ T463] ? arch_stack_walk+0xf8/0x140
[ 40.885918][ T463] ? snprintf+0xd6/0x120
[ 40.890271][ T463] kernfs_new_node+0x97/0x170
[ 40.895042][ T463] __kernfs_create_file+0x4a/0x270
[ 40.900262][ T463] cgroup_addrm_files+0xab8/0xfe0
[ 40.905562][ T463] ? ____kasan_kmalloc+0xdc/0x110
[ 40.910790][ T463] ? __kasan_kmalloc+0x9/0x10
[ 40.915613][ T463] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 40.921147][ T463] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 40.927294][ T463] ? delete_node+0x759/0x7b0
[ 40.931959][ T463] ? __kasan_check_read+0x11/0x20
[ 40.936969][ T463] ? delete_node+0x759/0x7b0
[ 40.941563][ T463] ? __kasan_check_write+0x14/0x20
[ 40.946668][ T463] ? idr_replace+0x1c4/0x230
[ 40.951236][ T463] ? idr_get_next+0x4b0/0x4b0
[ 40.955903][ T463] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 40.961134][ T463] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 40.966677][ T463] css_populate_dir+0x137/0x370
[ 40.971610][ T463] cgroup_apply_control_enable+0x889/0x10c0
[ 40.977486][ T463] cgroup_apply_control+0x93/0x710
[ 40.982576][ T463] ? css_next_child+0x160/0x160
[ 40.987403][ T463] ? wake_bit_function+0x230/0x230
[ 40.992511][ T463] ? kernfs_fop_write_iter+0x15b/0x410
[ 40.997958][ T463] ? __kasan_check_write+0x14/0x20
[ 41.003059][ T463] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 41.008324][ T463] cgroup_subtree_control_write+0xdde/0x1340
[ 41.014290][ T463] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.020259][ T463] ? __kasan_check_write+0x14/0x20
[ 41.025356][ T463] ? _copy_from_iter+0x360/0xed0
[ 41.030287][ T463] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.036260][ T463] cgroup_file_write+0x28e/0x590
[ 41.041185][ T463] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.046279][ T463] ? bit_wait_io_timeout+0x110/0x110
[ 41.051565][ T463] ? __kasan_check_write+0x14/0x20
[ 41.056844][ T463] kernfs_fop_write_iter+0x2cd/0x410
[ 41.062112][ T463] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.067221][ T463] vfs_write+0xbb4/0xf30
[ 41.071451][ T463] ? file_end_write+0x1b0/0x1b0
[ 41.076447][ T463] ? mutex_lock+0xec/0x130
[ 41.080869][ T463] ? bit_wait_io_timeout+0x110/0x110
[ 41.086147][ T463] ? __fdget_pos+0x26d/0x310
[ 41.090745][ T463] ? ksys_write+0x77/0x2c0
[ 41.095170][ T463] ksys_write+0x198/0x2c0
[ 41.099533][ T463] ? __ia32_sys_read+0x90/0x90
[ 41.104308][ T463] ? debug_smp_processor_id+0x17/0x20
[ 41.109683][ T463] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 41.115883][ T463] __x64_sys_write+0x7b/0x90
[ 41.120469][ T463] do_syscall_64+0x2f/0x50
[ 41.124889][ T463] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 41.130769][ T463] RIP: 0033:0x7f2a75dbc249
[ 41.135181][ T463] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 41.154956][ T463] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 41.163358][ T463] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 41.171534][ T463] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 41.179501][ T463] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 41.187479][ T463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 41.195446][ T463] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 41.203592][ T463]
[ 41.206773][ T463] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 41.261417][ T452] FAULT_INJECTION: forcing a failure.
[ 41.261417][ T452] name failslab, interval 1, probability 0, space 0, times 0
[ 41.274253][ T452] CPU: 1 PID: 452 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 41.284958][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.295004][ T452] Call Trace:
[ 41.298275][ T452]
[ 41.301353][ T452] dump_stack_lvl+0x151/0x1b7
[ 41.306201][ T452] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 41.311650][ T452] ? pcpu_alloc+0xe83/0x1420
[ 41.316223][ T452] dump_stack+0x15/0x17
[ 41.321066][ T452] should_fail+0x3c0/0x510
[ 41.325498][ T452] ? percpu_ref_init+0xc9/0x350
[ 41.330346][ T452] __should_failslab+0x9f/0xe0
[ 41.335097][ T452] should_failslab+0x9/0x20
[ 41.339581][ T452] kmem_cache_alloc_trace+0x4a/0x320
[ 41.344934][ T452] ? cgroup_setup_root+0xec0/0xec0
[ 41.350037][ T452] percpu_ref_init+0xc9/0x350
[ 41.354726][ T452] ? cgroup_setup_root+0xec0/0xec0
[ 41.359918][ T452] cgroup_apply_control_enable+0x383/0x10c0
[ 41.365820][ T452] cgroup_apply_control+0x93/0x710
[ 41.370947][ T452] ? css_next_child+0x160/0x160
[ 41.375786][ T452] ? wake_bit_function+0x230/0x230
[ 41.380883][ T452] ? kernfs_fop_write_iter+0x15b/0x410
[ 41.386325][ T452] ? __kasan_check_write+0x14/0x20
[ 41.391416][ T452] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 41.396684][ T452] cgroup_subtree_control_write+0xdde/0x1340
[ 41.402771][ T452] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 41.408939][ T452] ? __kasan_check_write+0x14/0x20
[ 41.414063][ T452] ? _copy_from_iter+0x360/0xed0
[ 41.418989][ T452] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.425066][ T452] cgroup_file_write+0x28e/0x590
[ 41.430176][ T452] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.435550][ T452] ? bit_wait_io_timeout+0x110/0x110
[ 41.440827][ T452] ? __kasan_check_write+0x14/0x20
[ 41.446274][ T452] kernfs_fop_write_iter+0x2cd/0x410
[ 41.451684][ T452] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.456803][ T452] vfs_write+0xbb4/0xf30
[ 41.461034][ T452] ? file_end_write+0x1b0/0x1b0
[ 41.465868][ T452] ? mutex_lock+0xec/0x130
[ 41.470274][ T452] ? bit_wait_io_timeout+0x110/0x110
[ 41.475554][ T452] ? __fdget_pos+0x26d/0x310
[ 41.480135][ T452] ? ksys_write+0x77/0x2c0
[ 41.484539][ T452] ksys_write+0x198/0x2c0
[ 41.488868][ T452] ? __ia32_sys_read+0x90/0x90
[ 41.493725][ T452] ? debug_smp_processor_id+0x17/0x20
[ 41.499078][ T452] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 41.505134][ T452] __x64_sys_write+0x7b/0x90
[ 41.509715][ T452] do_syscall_64+0x2f/0x50
[ 41.514134][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 41.520025][ T452] RIP: 0033:0x7f2a75dbc249
[ 41.524423][ T452] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 41.544007][ T452] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 41.552404][ T452] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 41.560355][ T452] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 41.568304][ T452] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 41.576261][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 41.584235][ T452] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 41.592193][ T452]
[ 41.641212][ T466] FAULT_INJECTION: forcing a failure.
[ 41.641212][ T466] name failslab, interval 1, probability 0, space 0, times 0
[ 41.654049][ T466] CPU: 1 PID: 466 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 41.664623][ T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 41.674748][ T466] Call Trace:
[ 41.678145][ T466]
[ 41.681243][ T466] dump_stack_lvl+0x151/0x1b7
[ 41.685906][ T466] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 41.691531][ T466] ? pcpu_alloc+0xe83/0x1420
[ 41.696116][ T466] dump_stack+0x15/0x17
[ 41.700254][ T466] should_fail+0x3c0/0x510
[ 41.704656][ T466] ? percpu_ref_init+0xc9/0x350
[ 41.709489][ T466] __should_failslab+0x9f/0xe0
[ 41.714321][ T466] should_failslab+0x9/0x20
[ 41.718806][ T466] kmem_cache_alloc_trace+0x4a/0x320
[ 41.724079][ T466] ? cgroup_setup_root+0xec0/0xec0
[ 41.729257][ T466] percpu_ref_init+0xc9/0x350
[ 41.734016][ T466] ? cgroup_setup_root+0xec0/0xec0
[ 41.739120][ T466] cgroup_apply_control_enable+0x383/0x10c0
[ 41.744994][ T466] cgroup_apply_control+0x93/0x710
[ 41.750116][ T466] ? css_next_child+0x160/0x160
[ 41.755144][ T466] ? wake_bit_function+0x230/0x230
[ 41.760321][ T466] ? kernfs_fop_write_iter+0x15b/0x410
[ 41.765756][ T466] ? __kasan_check_write+0x14/0x20
[ 41.770934][ T466] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 41.776213][ T466] cgroup_subtree_control_write+0xdde/0x1340
[ 41.782179][ T466] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 41.788407][ T466] ? __kasan_check_write+0x14/0x20
[ 41.793533][ T466] ? _copy_from_iter+0x360/0xed0
[ 41.798465][ T466] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 41.804430][ T466] cgroup_file_write+0x28e/0x590
[ 41.809369][ T466] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.814564][ T466] ? bit_wait_io_timeout+0x110/0x110
[ 41.820046][ T466] ? __kasan_check_write+0x14/0x20
[ 41.825154][ T466] kernfs_fop_write_iter+0x2cd/0x410
[ 41.830634][ T466] ? cgroup_seqfile_stop+0xc0/0xc0
[ 41.835745][ T466] vfs_write+0xbb4/0xf30
[ 41.840077][ T466] ? file_end_write+0x1b0/0x1b0
[ 41.844931][ T466] ? mutex_lock+0xec/0x130
[ 41.849329][ T466] ? bit_wait_io_timeout+0x110/0x110
[ 41.854594][ T466] ? __fdget_pos+0x26d/0x310
[ 41.859164][ T466] ? ksys_write+0x77/0x2c0
[ 41.863562][ T466] ksys_write+0x198/0x2c0
[ 41.867874][ T466] ? __ia32_sys_read+0x90/0x90
[ 41.872621][ T466] ? debug_smp_processor_id+0x17/0x20
[ 41.877980][ T466] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 41.884035][ T466] __x64_sys_write+0x7b/0x90
[ 41.888608][ T466] do_syscall_64+0x2f/0x50
[ 41.893005][ T466] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 41.898882][ T466] RIP: 0033:0x7f2a75dbc249
[ 41.903302][ T466] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 41.922908][ T466] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 41.931368][ T466] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 41.939324][ T466] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 41.947377][ T466] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 41.955383][ T466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 41.963342][ T466] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 41.971332][ T466]
[ 41.977182][ T430] ------------[ cut here ]------------
[ 41.982691][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 41.991645][ T430] Modules linked in:
[ 41.995530][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 42.006215][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.016380][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 42.022288][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 42.041990][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 42.048040][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 42.056119][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 42.064104][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 42.072083][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 42.080048][ T430] R13: ffff88810ece2600 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 42.088035][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 42.096971][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.103650][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 42.111649][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 42.119608][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 42.127609][ T430] Call Trace:
[ 42.130920][ T430]
[ 42.133842][ T430] ? lockref_get_or_lock+0x340/0x340
[ 42.139175][ T430] ? umount_tree+0xf40/0xf40
[ 42.143773][ T430] ? vfs_submount+0xb0/0xb0
[ 42.148280][ T430] ? dput+0x2b6/0x320
[ 42.152283][ T430] path_umount+0x1e0/0xf40
[ 42.156805][ T430] ? __kasan_slab_free+0x11/0x20
[ 42.161785][ T430] ? user_path_at_empty+0x152/0x1b0
[ 42.167040][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 42.172108][ T430] ? user_path_at_empty+0x152/0x1b0
[ 42.177312][ T430] __x64_sys_umount+0x122/0x170
[ 42.182186][ T430] ? path_umount+0xf40/0xf40
[ 42.186773][ T430] ? debug_smp_processor_id+0x17/0x20
[ 42.192177][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 42.197811][ T430] do_syscall_64+0x2f/0x50
[ 42.202291][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 42.208219][ T430] RIP: 0033:0x7f2a75dbd657
[ 42.212665][ 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
[ 42.232773][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 42.241453][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 42.249904][ T430] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 42.257918][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 42.265980][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 42.274472][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 42.283005][ T430]
[ 42.286013][ T430] ---[ end trace 0000000000000000 ]---
[ 42.311189][ T473] FAULT_INJECTION: forcing a failure.
[ 42.311189][ T473] name failslab, interval 1, probability 0, space 0, times 0
[ 42.324466][ T473] CPU: 0 PID: 473 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 42.335054][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.345109][ T473] Call Trace:
[ 42.348378][ T473]
[ 42.351301][ T473] dump_stack_lvl+0x151/0x1b7
[ 42.355977][ T473] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 42.361433][ T473] dump_stack+0x15/0x17
[ 42.365597][ T473] should_fail+0x3c0/0x510
[ 42.370014][ T473] ? pids_css_alloc+0x4e/0x120
[ 42.374762][ T473] __should_failslab+0x9f/0xe0
[ 42.379606][ T473] should_failslab+0x9/0x20
[ 42.384262][ T473] kmem_cache_alloc_trace+0x4a/0x320
[ 42.389525][ T473] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 42.394723][ T473] pids_css_alloc+0x4e/0x120
[ 42.399315][ T473] cgroup_apply_control_enable+0x335/0x10c0
[ 42.405214][ T473] cgroup_apply_control+0x93/0x710
[ 42.410423][ T473] ? css_next_child+0x160/0x160
[ 42.415284][ T473] ? wake_bit_function+0x230/0x230
[ 42.420509][ T473] ? kernfs_fop_write_iter+0x15b/0x410
[ 42.426135][ T473] ? __kasan_check_write+0x14/0x20
[ 42.431375][ T473] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 42.436665][ T473] cgroup_subtree_control_write+0xdde/0x1340
[ 42.443590][ T473] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.449882][ T473] ? __kasan_check_write+0x14/0x20
[ 42.456087][ T473] ? _copy_from_iter+0x360/0xed0
[ 42.461141][ T473] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.467122][ T473] cgroup_file_write+0x28e/0x590
[ 42.472173][ T473] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.477279][ T473] ? bit_wait_io_timeout+0x110/0x110
[ 42.482574][ T473] ? __kasan_check_write+0x14/0x20
[ 42.487692][ T473] kernfs_fop_write_iter+0x2cd/0x410
[ 42.492960][ T473] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.498060][ T473] vfs_write+0xbb4/0xf30
[ 42.502354][ T473] ? file_end_write+0x1b0/0x1b0
[ 42.507226][ T473] ? mutex_lock+0xb6/0x130
[ 42.511669][ T473] ? bit_wait_io_timeout+0x110/0x110
[ 42.516942][ T473] ? __fdget_pos+0x26d/0x310
[ 42.521518][ T473] ? ksys_write+0x77/0x2c0
[ 42.525921][ T473] ksys_write+0x198/0x2c0
[ 42.530307][ T473] ? __ia32_sys_read+0x90/0x90
[ 42.535057][ T473] ? debug_smp_processor_id+0x17/0x20
[ 42.540758][ T473] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 42.546829][ T473] __x64_sys_write+0x7b/0x90
[ 42.551511][ T473] do_syscall_64+0x2f/0x50
[ 42.555912][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 42.562051][ T473] RIP: 0033:0x7f2a75dbc249
[ 42.566453][ T473] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 42.586487][ T473] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.595146][ T473] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 42.603100][ T473] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.611226][ T473] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 42.619448][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 42.627400][ T473] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 42.635357][ T473]
[ 42.681240][ T478] FAULT_INJECTION: forcing a failure.
[ 42.681240][ T478] name failslab, interval 1, probability 0, space 0, times 0
[ 42.694053][ T478] CPU: 0 PID: 478 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 42.704713][ T478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 42.714752][ T478] Call Trace:
[ 42.718013][ T478]
[ 42.721076][ T478] dump_stack_lvl+0x151/0x1b7
[ 42.725929][ T478] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 42.731496][ T478] dump_stack+0x15/0x17
[ 42.735640][ T478] should_fail+0x3c0/0x510
[ 42.740215][ T478] ? pids_css_alloc+0x4e/0x120
[ 42.744980][ T478] __should_failslab+0x9f/0xe0
[ 42.749737][ T478] should_failslab+0x9/0x20
[ 42.754230][ T478] kmem_cache_alloc_trace+0x4a/0x320
[ 42.759586][ T478] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 42.764770][ T478] pids_css_alloc+0x4e/0x120
[ 42.769378][ T478] cgroup_apply_control_enable+0x335/0x10c0
[ 42.775427][ T478] cgroup_apply_control+0x93/0x710
[ 42.780537][ T478] ? css_next_child+0x160/0x160
[ 42.785379][ T478] ? wake_bit_function+0x230/0x230
[ 42.790665][ T478] ? kernfs_fop_write_iter+0x15b/0x410
[ 42.796203][ T478] ? __kasan_check_write+0x14/0x20
[ 42.801312][ T478] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 42.806580][ T478] cgroup_subtree_control_write+0xdde/0x1340
[ 42.812540][ T478] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.818871][ T478] ? __kasan_check_write+0x14/0x20
[ 42.823968][ T478] ? _copy_from_iter+0x360/0xed0
[ 42.828888][ T478] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 42.834953][ T478] cgroup_file_write+0x28e/0x590
[ 42.839964][ T478] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.845057][ T478] ? bit_wait_io_timeout+0x110/0x110
[ 42.850329][ T478] ? __kasan_check_write+0x14/0x20
[ 42.855509][ T478] kernfs_fop_write_iter+0x2cd/0x410
[ 42.860774][ T478] ? cgroup_seqfile_stop+0xc0/0xc0
[ 42.865963][ T478] vfs_write+0xbb4/0xf30
[ 42.870187][ T478] ? file_end_write+0x1b0/0x1b0
[ 42.875017][ T478] ? mutex_lock+0xb6/0x130
[ 42.879413][ T478] ? bit_wait_io_timeout+0x110/0x110
[ 42.884762][ T478] ? __fdget_pos+0x26d/0x310
[ 42.889328][ T478] ? ksys_write+0x77/0x2c0
[ 42.893811][ T478] ksys_write+0x198/0x2c0
[ 42.898220][ T478] ? __ia32_sys_read+0x90/0x90
[ 42.903052][ T478] ? debug_smp_processor_id+0x17/0x20
[ 42.908513][ T478] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 42.914573][ T478] __x64_sys_write+0x7b/0x90
[ 42.919151][ T478] do_syscall_64+0x2f/0x50
[ 42.923582][ T478] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 42.929546][ T478] RIP: 0033:0x7f2a75dbc249
[ 42.934049][ T478] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 42.954779][ T478] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.963175][ T478] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 42.971129][ T478] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.979171][ T478] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 42.987123][ T478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 42.995276][ T478] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 43.003245][ T478]
[ 43.041330][ T481] FAULT_INJECTION: forcing a failure.
[ 43.041330][ T481] name failslab, interval 1, probability 0, space 0, times 0
[ 43.054268][ T481] CPU: 0 PID: 481 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 43.065226][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.075279][ T481] Call Trace:
[ 43.078539][ T481]
[ 43.081447][ T481] dump_stack_lvl+0x151/0x1b7
[ 43.086115][ T481] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 43.091549][ T481] dump_stack+0x15/0x17
[ 43.095700][ T481] should_fail+0x3c0/0x510
[ 43.100099][ T481] ? pids_css_alloc+0x4e/0x120
[ 43.104867][ T481] __should_failslab+0x9f/0xe0
[ 43.109608][ T481] should_failslab+0x9/0x20
[ 43.114109][ T481] kmem_cache_alloc_trace+0x4a/0x320
[ 43.119380][ T481] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 43.124570][ T481] pids_css_alloc+0x4e/0x120
[ 43.129168][ T481] cgroup_apply_control_enable+0x335/0x10c0
[ 43.135297][ T481] cgroup_apply_control+0x93/0x710
[ 43.140401][ T481] ? css_next_child+0x160/0x160
[ 43.145241][ T481] ? wake_bit_function+0x230/0x230
[ 43.150341][ T481] ? kernfs_fop_write_iter+0x15b/0x410
[ 43.155965][ T481] ? __kasan_check_write+0x14/0x20
[ 43.161504][ T481] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 43.166773][ T481] cgroup_subtree_control_write+0xdde/0x1340
[ 43.172737][ T481] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 43.178711][ T481] ? __kasan_check_write+0x14/0x20
[ 43.183808][ T481] ? _copy_from_iter+0x360/0xed0
[ 43.188727][ T481] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 43.194705][ T481] cgroup_file_write+0x28e/0x590
[ 43.199639][ T481] ? cgroup_seqfile_stop+0xc0/0xc0
[ 43.204740][ T481] ? bit_wait_io_timeout+0x110/0x110
[ 43.210030][ T481] ? __kasan_check_write+0x14/0x20
[ 43.215175][ T481] kernfs_fop_write_iter+0x2cd/0x410
[ 43.220448][ T481] ? cgroup_seqfile_stop+0xc0/0xc0
[ 43.225549][ T481] vfs_write+0xbb4/0xf30
[ 43.229791][ T481] ? file_end_write+0x1b0/0x1b0
[ 43.234727][ T481] ? mutex_lock+0xec/0x130
[ 43.239166][ T481] ? bit_wait_io_timeout+0x110/0x110
[ 43.244479][ T481] ? __fdget_pos+0x26d/0x310
[ 43.249139][ T481] ? ksys_write+0x77/0x2c0
[ 43.253544][ T481] ksys_write+0x198/0x2c0
[ 43.257868][ T481] ? __ia32_sys_read+0x90/0x90
[ 43.262702][ T481] ? debug_smp_processor_id+0x17/0x20
[ 43.268081][ T481] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 43.274131][ T481] __x64_sys_write+0x7b/0x90
[ 43.278723][ T481] do_syscall_64+0x2f/0x50
[ 43.283222][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 43.289183][ T481] RIP: 0033:0x7f2a75dbc249
[ 43.293578][ T481] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 43.313517][ T481] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 43.321919][ T481] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 43.329870][ T481] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 43.337820][ T481] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 43.345772][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 43.353744][ T481] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 43.361699][ T481]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 43.401322][ T469] FAULT_INJECTION: forcing a failure.
[ 43.401322][ T469] name failslab, interval 1, probability 0, space 0, times 0
[ 43.414167][ T469] CPU: 1 PID: 469 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 43.424734][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.435121][ T469] Call Trace:
[ 43.438404][ T469]
[ 43.441349][ T469] dump_stack_lvl+0x151/0x1b7
[ 43.446014][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 43.451460][ T469] ? selinux_kernfs_init_security+0x1a8/0x760
[ 43.457624][ T469] dump_stack+0x15/0x17
[ 43.461792][ T469] should_fail+0x3c0/0x510
[ 43.466236][ T469] ? __kernfs_new_node+0x99/0x6e0
[ 43.471265][ T469] __should_failslab+0x9f/0xe0
[ 43.476047][ T469] should_failslab+0x9/0x20
[ 43.480553][ T469] __kmalloc_track_caller+0x6c/0x340
[ 43.485902][ T469] kstrdup_const+0x55/0x90
[ 43.490319][ T469] __kernfs_new_node+0x99/0x6e0
[ 43.495152][ T469] ? stack_trace_save+0x1f0/0x1f0
[ 43.500160][ T469] ? kernfs_new_node+0x170/0x170
[ 43.505082][ T469] ? ptr_to_hashval+0x60/0x60
[ 43.509836][ T469] ? arch_stack_walk+0xf8/0x140
[ 43.514989][ T469] ? snprintf+0xd6/0x120
[ 43.519230][ T469] kernfs_new_node+0x97/0x170
[ 43.523904][ T469] __kernfs_create_file+0x4a/0x270
[ 43.529034][ T469] cgroup_addrm_files+0xab8/0xfe0
[ 43.534191][ T469] ? ____kasan_kmalloc+0xdc/0x110
[ 43.539200][ T469] ? __kasan_kmalloc+0x9/0x10
[ 43.543878][ T469] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 43.549409][ T469] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 43.555672][ T469] ? delete_node+0x759/0x7b0
[ 43.560253][ T469] ? __kasan_check_read+0x11/0x20
[ 43.565308][ T469] ? delete_node+0x759/0x7b0
[ 43.569886][ T469] ? __kasan_check_write+0x14/0x20
[ 43.575026][ T469] ? idr_replace+0x1c4/0x230
[ 43.579635][ T469] ? idr_get_next+0x4b0/0x4b0
[ 43.584350][ T469] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 43.589371][ T469] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 43.594670][ T469] css_populate_dir+0x137/0x370
[ 43.599535][ T469] cgroup_apply_control_enable+0x889/0x10c0
[ 43.605427][ T469] cgroup_apply_control+0x93/0x710
[ 43.610529][ T469] ? css_next_child+0x160/0x160
[ 43.615372][ T469] ? wake_bit_function+0x230/0x230
[ 43.620475][ T469] ? kernfs_fop_write_iter+0x15b/0x410
[ 43.626021][ T469] ? __kasan_check_write+0x14/0x20
[ 43.631121][ T469] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 43.636474][ T469] cgroup_subtree_control_write+0xdde/0x1340
[ 43.642455][ T469] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 43.648417][ T469] ? __kasan_check_write+0x14/0x20
[ 43.653511][ T469] ? _copy_from_iter+0x360/0xed0
[ 43.658431][ T469] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 43.664400][ T469] cgroup_file_write+0x28e/0x590
[ 43.669358][ T469] ? cgroup_seqfile_stop+0xc0/0xc0
[ 43.674549][ T469] ? bit_wait_io_timeout+0x110/0x110
[ 43.679826][ T469] ? __kasan_check_write+0x14/0x20
[ 43.684919][ T469] kernfs_fop_write_iter+0x2cd/0x410
[ 43.690290][ T469] ? cgroup_seqfile_stop+0xc0/0xc0
[ 43.695432][ T469] vfs_write+0xbb4/0xf30
[ 43.699773][ T469] ? file_end_write+0x1b0/0x1b0
[ 43.704612][ T469] ? mutex_lock+0xec/0x130
[ 43.709027][ T469] ? bit_wait_io_timeout+0x110/0x110
[ 43.714414][ T469] ? __fdget_pos+0x26d/0x310
[ 43.719056][ T469] ? ksys_write+0x77/0x2c0
[ 43.723464][ T469] ksys_write+0x198/0x2c0
[ 43.727781][ T469] ? __ia32_sys_read+0x90/0x90
[ 43.732523][ T469] ? debug_smp_processor_id+0x17/0x20
[ 43.737873][ T469] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 43.743921][ T469] __x64_sys_write+0x7b/0x90
[ 43.748608][ T469] do_syscall_64+0x2f/0x50
[ 43.753082][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 43.759166][ T469] RIP: 0033:0x7f2a75dbc249
[ 43.763749][ T469] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 43.783558][ T469] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 43.791959][ T469] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 43.800014][ T469] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 43.808082][ T469] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 43.816037][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 43.823997][ T469] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 43.831975][ T469]
[ 43.835078][ T469] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 43.837703][ T25] audit: type=1400 audit(1649783904.180:154): avc: denied { remove_name } for pid=148 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
[ 43.865680][ T25] audit: type=1400 audit(1649783904.180:155): avc: denied { rename } for pid=148 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
[ 43.891214][ T484] FAULT_INJECTION: forcing a failure.
[ 43.891214][ T484] name failslab, interval 1, probability 0, space 0, times 0
[ 43.904073][ T484] CPU: 1 PID: 484 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 43.914655][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 43.924706][ T484] Call Trace:
[ 43.928056][ T484]
[ 43.930971][ T484] dump_stack_lvl+0x151/0x1b7
[ 43.935650][ T484] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 43.941098][ T484] ? selinux_kernfs_init_security+0x1a8/0x760
[ 43.947159][ T484] dump_stack+0x15/0x17
[ 43.951618][ T484] should_fail+0x3c0/0x510
[ 43.956273][ T484] __should_failslab+0x9f/0xe0
[ 43.961211][ T484] should_failslab+0x9/0x20
[ 43.965809][ T484] kmem_cache_alloc+0x4f/0x300
[ 43.970582][ T484] ? __kernfs_new_node+0xdb/0x6e0
[ 43.976881][ T484] __kernfs_new_node+0xdb/0x6e0
[ 43.982013][ T484] ? stack_trace_save+0x1f0/0x1f0
[ 43.987021][ T484] ? kernfs_new_node+0x170/0x170
[ 43.992288][ T484] ? ptr_to_hashval+0x60/0x60
[ 43.996946][ T484] ? up_read+0x1b0/0x1b0
[ 44.001181][ T484] ? snprintf+0xd6/0x120
[ 44.005492][ T484] kernfs_new_node+0x97/0x170
[ 44.010506][ T484] __kernfs_create_file+0x4a/0x270
[ 44.015772][ T484] cgroup_addrm_files+0xab8/0xfe0
[ 44.020994][ T484] ? ____kasan_kmalloc+0xdc/0x110
[ 44.026173][ T484] ? __kasan_kmalloc+0x9/0x10
[ 44.031001][ T484] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 44.036628][ T484] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 44.042759][ T484] ? delete_node+0x759/0x7b0
[ 44.047329][ T484] ? __kasan_check_read+0x11/0x20
[ 44.052337][ T484] ? idr_replace+0x1c4/0x230
[ 44.056903][ T484] ? idr_get_next+0x4b0/0x4b0
[ 44.061556][ T484] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 44.066561][ T484] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 44.071740][ T484] css_populate_dir+0x137/0x370
[ 44.076660][ T484] cgroup_apply_control_enable+0x889/0x10c0
[ 44.082542][ T484] cgroup_apply_control+0x93/0x710
[ 44.087648][ T484] ? css_next_child+0x160/0x160
[ 44.092579][ T484] ? wake_bit_function+0x230/0x230
[ 44.097688][ T484] ? kernfs_fop_write_iter+0x15b/0x410
[ 44.103131][ T484] ? __kasan_check_write+0x14/0x20
[ 44.108351][ T484] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 44.113719][ T484] cgroup_subtree_control_write+0xdde/0x1340
[ 44.119691][ T484] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 44.125653][ T484] ? __kasan_check_write+0x14/0x20
[ 44.131133][ T484] ? _copy_from_iter+0x360/0xed0
[ 44.136151][ T484] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 44.142319][ T484] cgroup_file_write+0x28e/0x590
[ 44.147242][ T484] ? cgroup_seqfile_stop+0xc0/0xc0
[ 44.152342][ T484] ? bit_wait_io_timeout+0x110/0x110
[ 44.157614][ T484] ? __kasan_check_write+0x14/0x20
[ 44.162706][ T484] kernfs_fop_write_iter+0x2cd/0x410
[ 44.167976][ T484] ? cgroup_seqfile_stop+0xc0/0xc0
[ 44.173185][ T484] vfs_write+0xbb4/0xf30
[ 44.177507][ T484] ? file_end_write+0x1b0/0x1b0
[ 44.182435][ T484] ? mutex_lock+0xec/0x130
[ 44.186833][ T484] ? bit_wait_io_timeout+0x110/0x110
[ 44.192254][ T484] ? __fdget_pos+0x26d/0x310
[ 44.196832][ T484] ? ksys_write+0x77/0x2c0
[ 44.201227][ T484] ksys_write+0x198/0x2c0
[ 44.205542][ T484] ? __ia32_sys_read+0x90/0x90
[ 44.210402][ T484] ? debug_smp_processor_id+0x17/0x20
[ 44.215755][ T484] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 44.221812][ T484] __x64_sys_write+0x7b/0x90
[ 44.226739][ T484] do_syscall_64+0x2f/0x50
[ 44.231138][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 44.237014][ T484] RIP: 0033:0x7f2a75dbc249
[ 44.241496][ T484] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 44.261864][ T484] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 44.270262][ T484] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 44.278219][ T484] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 44.286476][ T484] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 44.295209][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 44.303528][ T484] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 44.311592][ T484]
[ 44.315027][ T484] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 44.323903][ T434] ------------[ cut here ]------------
[ 44.329465][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 44.338516][ T434] Modules linked in:
[ 44.343214][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 44.353941][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 44.364278][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 44.370564][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 44.390203][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 44.396378][ T434] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27a180
[ 44.404470][ T434] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 44.412645][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 44.420835][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 44.428816][ T434] R13: ffff88810ece3200 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 44.437308][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 44.446462][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 44.453079][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 44.461068][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 44.469294][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.477399][ T434] Call Trace:
[ 44.480781][ T434]
[ 44.483718][ T434] ? __kasan_check_write+0x14/0x20
[ 44.488813][ T434] ? up_write+0xa1/0x190
[ 44.493075][ T434] ? vfs_submount+0xb0/0xb0
[ 44.497581][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 44.503170][ T434] namespace_unlock+0x448/0x4f0
[ 44.508025][ T434] ? umount_tree+0xf40/0xf40
[ 44.512639][ T434] ? __detach_mounts+0x670/0x670
[ 44.517780][ T434] ? selinux_umount+0xf3/0x130
[ 44.522572][ T434] ? security_sb_umount+0x9d/0xb0
[ 44.527620][ T434] path_umount+0xe89/0xf40
[ 44.532046][ T434] ? __kasan_slab_free+0x11/0x20
[ 44.537025][ T434] ? user_path_at_empty+0x152/0x1b0
[ 44.542260][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 44.547368][ T434] ? user_path_at_empty+0x152/0x1b0
[ 44.552578][ T434] __x64_sys_umount+0x122/0x170
[ 44.557433][ T434] ? path_umount+0xf40/0xf40
[ 44.562043][ T434] ? debug_smp_processor_id+0x17/0x20
[ 44.567448][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 44.573203][ T434] do_syscall_64+0x2f/0x50
[ 44.577623][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 44.583547][ T434] RIP: 0033:0x7f2a75dbd657
[ 44.587975][ T434] 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
[ 44.607609][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 44.616039][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 44.624019][ T434] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 44.632017][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 44.639987][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 44.648142][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 44.656143][ T434]
[ 44.659166][ T434] ---[ end trace 0000000000000000 ]---
[ 44.664824][ T434] ------------[ cut here ]------------
[ 44.670660][ T434] WARNING: CPU: 1 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 44.679816][ T434] Modules linked in:
[ 44.683703][ T434] CPU: 1 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 44.694376][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 44.704433][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 44.711318][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 44.730940][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 44.736991][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 44.744981][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 44.753049][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 44.762239][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 44.770227][ T434] R13: ffff88810ece3200 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 44.778652][ T434] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 44.787595][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.794174][ T434] CR2: 00007f2a75e05a28 CR3: 000000012112d000 CR4: 00000000003506a0
[ 44.802160][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 44.810203][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 44.818194][ T434] Call Trace:
[ 44.821548][ T434]
[ 44.824468][ T434] ? lockref_get_or_lock+0x340/0x340
[ 44.829745][ T434] ? umount_tree+0xf40/0xf40
[ 44.834430][ T434] ? vfs_submount+0xb0/0xb0
[ 44.838930][ T434] ? dput+0x2b6/0x320
[ 44.842909][ T434] path_umount+0x1e0/0xf40
[ 44.847323][ T434] ? __kasan_slab_free+0x11/0x20
[ 44.852258][ T434] ? user_path_at_empty+0x152/0x1b0
[ 44.857444][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 44.862471][ T434] ? user_path_at_empty+0x152/0x1b0
[ 44.867658][ T434] __x64_sys_umount+0x122/0x170
[ 44.872519][ T434] ? path_umount+0xf40/0xf40
[ 44.877123][ T434] ? debug_smp_processor_id+0x17/0x20
[ 44.882505][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 44.888146][ T434] do_syscall_64+0x2f/0x50
[ 44.892570][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 44.898448][ T434] RIP: 0033:0x7f2a75dbd657
[ 44.902865][ T434] 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
[ 44.922645][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 44.931067][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 44.939039][ T434] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 44.947012][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 44.955017][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 44.963010][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 44.971265][ T434]
[ 44.974285][ T434] ---[ end trace 0000000000000000 ]---
[ 44.980209][ T492] FAULT_INJECTION: forcing a failure.
[ 44.980209][ T492] name failslab, interval 1, probability 0, space 0, times 0
[ 44.993135][ T492] CPU: 1 PID: 492 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 45.003983][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.014026][ T492] Call Trace:
[ 45.017286][ T492]
[ 45.020227][ T492] dump_stack_lvl+0x151/0x1b7
[ 45.024924][ T492] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 45.030376][ T492] ? pcpu_alloc+0xe83/0x1420
[ 45.035018][ T492] dump_stack+0x15/0x17
[ 45.039172][ T492] should_fail+0x3c0/0x510
[ 45.043589][ T492] ? percpu_ref_init+0xc9/0x350
[ 45.048604][ T492] __should_failslab+0x9f/0xe0
[ 45.053443][ T492] should_failslab+0x9/0x20
[ 45.057927][ T492] kmem_cache_alloc_trace+0x4a/0x320
[ 45.063217][ T492] ? cgroup_setup_root+0xec0/0xec0
[ 45.068405][ T492] percpu_ref_init+0xc9/0x350
[ 45.073087][ T492] ? cgroup_setup_root+0xec0/0xec0
[ 45.078365][ T492] cgroup_apply_control_enable+0x383/0x10c0
[ 45.084247][ T492] cgroup_apply_control+0x93/0x710
[ 45.089355][ T492] ? css_next_child+0x160/0x160
[ 45.094198][ T492] ? wake_bit_function+0x230/0x230
[ 45.099309][ T492] ? kernfs_fop_write_iter+0x15b/0x410
[ 45.104847][ T492] ? __kasan_check_write+0x14/0x20
[ 45.109947][ T492] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 45.115232][ T492] cgroup_subtree_control_write+0xdde/0x1340
[ 45.121312][ T492] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 45.127361][ T492] ? __kasan_check_write+0x14/0x20
[ 45.132462][ T492] ? _copy_from_iter+0x360/0xed0
[ 45.137381][ T492] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 45.143431][ T492] cgroup_file_write+0x28e/0x590
[ 45.148438][ T492] ? cgroup_seqfile_stop+0xc0/0xc0
[ 45.153737][ T492] ? bit_wait_io_timeout+0x110/0x110
[ 45.159001][ T492] ? __kasan_check_write+0x14/0x20
[ 45.164099][ T492] kernfs_fop_write_iter+0x2cd/0x410
[ 45.169492][ T492] ? cgroup_seqfile_stop+0xc0/0xc0
[ 45.174599][ T492] vfs_write+0xbb4/0xf30
[ 45.179089][ T492] ? file_end_write+0x1b0/0x1b0
[ 45.184113][ T492] ? mutex_lock+0xec/0x130
[ 45.188525][ T492] ? bit_wait_io_timeout+0x110/0x110
[ 45.193808][ T492] ? __fdget_pos+0x26d/0x310
[ 45.198656][ T492] ? ksys_write+0x77/0x2c0
[ 45.203317][ T492] ksys_write+0x198/0x2c0
[ 45.207639][ T492] ? __ia32_sys_read+0x90/0x90
[ 45.212418][ T492] ? debug_smp_processor_id+0x17/0x20
[ 45.217786][ T492] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 45.224099][ T492] __x64_sys_write+0x7b/0x90
[ 45.229019][ T492] do_syscall_64+0x2f/0x50
[ 45.233435][ T492] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 45.239539][ T492] RIP: 0033:0x7f2a75dbc249
[ 45.244072][ T492] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 45.263841][ T492] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 45.272244][ T492] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 45.280202][ T492] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 45.288164][ T492] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 45.296124][ T492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 45.304282][ T492] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 45.312413][ T492]
[ 45.361392][ T487] FAULT_INJECTION: forcing a failure.
[ 45.361392][ T487] name failslab, interval 1, probability 0, space 0, times 0
[ 45.375965][ T487] CPU: 1 PID: 487 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 45.386571][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.397065][ T487] Call Trace:
[ 45.400336][ T487]
[ 45.403431][ T487] dump_stack_lvl+0x151/0x1b7
[ 45.408091][ T487] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 45.413645][ T487] ? pcpu_alloc+0xe83/0x1420
[ 45.418355][ T487] dump_stack+0x15/0x17
[ 45.422527][ T487] should_fail+0x3c0/0x510
[ 45.427008][ T487] ? percpu_ref_init+0xc9/0x350
[ 45.431880][ T487] __should_failslab+0x9f/0xe0
[ 45.436638][ T487] should_failslab+0x9/0x20
[ 45.441130][ T487] kmem_cache_alloc_trace+0x4a/0x320
[ 45.446520][ T487] ? cgroup_setup_root+0xec0/0xec0
[ 45.451710][ T487] percpu_ref_init+0xc9/0x350
[ 45.456551][ T487] ? cgroup_setup_root+0xec0/0xec0
[ 45.461919][ T487] cgroup_apply_control_enable+0x383/0x10c0
[ 45.467804][ T487] cgroup_apply_control+0x93/0x710
[ 45.472901][ T487] ? css_next_child+0x160/0x160
[ 45.478091][ T487] ? wake_bit_function+0x230/0x230
[ 45.483200][ T487] ? kernfs_fop_write_iter+0x15b/0x410
[ 45.488643][ T487] ? __kasan_check_write+0x14/0x20
[ 45.493753][ T487] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 45.499026][ T487] cgroup_subtree_control_write+0xdde/0x1340
[ 45.504990][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 45.510952][ T487] ? __kasan_check_write+0x14/0x20
[ 45.516230][ T487] ? _copy_from_iter+0x360/0xed0
[ 45.521152][ T487] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 45.527220][ T487] cgroup_file_write+0x28e/0x590
[ 45.532173][ T487] ? cgroup_seqfile_stop+0xc0/0xc0
[ 45.537274][ T487] ? bit_wait_io_timeout+0x110/0x110
[ 45.542623][ T487] ? __kasan_check_write+0x14/0x20
[ 45.547733][ T487] kernfs_fop_write_iter+0x2cd/0x410
[ 45.553094][ T487] ? cgroup_seqfile_stop+0xc0/0xc0
[ 45.558226][ T487] vfs_write+0xbb4/0xf30
[ 45.562456][ T487] ? file_end_write+0x1b0/0x1b0
[ 45.567295][ T487] ? mutex_lock+0xec/0x130
[ 45.571786][ T487] ? bit_wait_io_timeout+0x110/0x110
[ 45.577318][ T487] ? __fdget_pos+0x26d/0x310
[ 45.582064][ T487] ? ksys_write+0x77/0x2c0
[ 45.586581][ T487] ksys_write+0x198/0x2c0
[ 45.591074][ T487] ? __ia32_sys_read+0x90/0x90
[ 45.595938][ T487] ? debug_smp_processor_id+0x17/0x20
[ 45.601312][ T487] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 45.607484][ T487] __x64_sys_write+0x7b/0x90
[ 45.612057][ T487] do_syscall_64+0x2f/0x50
[ 45.616467][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 45.622428][ T487] RIP: 0033:0x7f2a75dbc249
[ 45.626916][ T487] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 45.646937][ T487] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 45.655450][ T487] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 45.663574][ T487] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 45.671719][ T487] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 45.679856][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 45.688052][ T487] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 45.696202][ T487]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 45.771243][ T489] FAULT_INJECTION: forcing a failure.
[ 45.771243][ T489] name failslab, interval 1, probability 0, space 0, times 0
[ 45.783924][ T489] CPU: 1 PID: 489 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 45.794592][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 45.804958][ T489] Call Trace:
[ 45.808230][ T489]
[ 45.811194][ T489] dump_stack_lvl+0x151/0x1b7
[ 45.815876][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 45.821326][ T489] ? selinux_kernfs_init_security+0x1a8/0x760
[ 45.827833][ T489] dump_stack+0x15/0x17
[ 45.831987][ T489] should_fail+0x3c0/0x510
[ 45.836526][ T489] ? __kernfs_new_node+0x99/0x6e0
[ 45.841976][ T489] __should_failslab+0x9f/0xe0
[ 45.846728][ T489] should_failslab+0x9/0x20
[ 45.851217][ T489] __kmalloc_track_caller+0x6c/0x340
[ 45.856492][ T489] kstrdup_const+0x55/0x90
[ 45.860922][ T489] __kernfs_new_node+0x99/0x6e0
[ 45.865777][ T489] ? stack_trace_save+0x1f0/0x1f0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 45.870881][ T489] ? kernfs_new_node+0x170/0x170
[ 45.875811][ T489] ? ptr_to_hashval+0x60/0x60
[ 45.880465][ T489] ? arch_stack_walk+0xf8/0x140
[ 45.885311][ T489] ? snprintf+0xd6/0x120
[ 45.889537][ T489] kernfs_new_node+0x97/0x170
[ 45.894194][ T489] __kernfs_create_file+0x4a/0x270
[ 45.899307][ T489] cgroup_addrm_files+0xab8/0xfe0
[ 45.904324][ T489] ? ____kasan_kmalloc+0xdc/0x110
[ 45.909340][ T489] ? __kasan_kmalloc+0x9/0x10
[ 45.914017][ T489] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 45.919557][ T489] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 45.925700][ T489] ? delete_node+0x759/0x7b0
[ 45.930295][ T489] ? __kasan_check_read+0x11/0x20
[ 45.935301][ T489] ? delete_node+0x759/0x7b0
[ 45.939882][ T489] ? __kasan_check_write+0x14/0x20
[ 45.944972][ T489] ? idr_replace+0x1c4/0x230
[ 45.949543][ T489] ? idr_get_next+0x4b0/0x4b0
[ 45.954263][ T489] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 45.959361][ T489] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 45.964675][ T489] css_populate_dir+0x137/0x370
[ 45.969523][ T489] cgroup_apply_control_enable+0x889/0x10c0
[ 45.975420][ T489] cgroup_apply_control+0x93/0x710
[ 45.980514][ T489] ? css_next_child+0x160/0x160
[ 45.985341][ T489] ? wake_bit_function+0x230/0x230
[ 45.990433][ T489] ? kernfs_fop_write_iter+0x15b/0x410
[ 45.996053][ T489] ? __kasan_check_write+0x14/0x20
[ 46.001157][ T489] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 46.006509][ T489] cgroup_subtree_control_write+0xdde/0x1340
[ 46.012473][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 46.018432][ T489] ? __kasan_check_write+0x14/0x20
[ 46.023535][ T489] ? _copy_from_iter+0x360/0xed0
[ 46.028455][ T489] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 46.034426][ T489] cgroup_file_write+0x28e/0x590
[ 46.039433][ T489] ? cgroup_seqfile_stop+0xc0/0xc0
[ 46.044521][ T489] ? bit_wait_io_timeout+0x110/0x110
[ 46.049942][ T489] ? __kasan_check_write+0x14/0x20
[ 46.055135][ T489] kernfs_fop_write_iter+0x2cd/0x410
[ 46.060407][ T489] ? cgroup_seqfile_stop+0xc0/0xc0
[ 46.065501][ T489] vfs_write+0xbb4/0xf30
[ 46.069735][ T489] ? file_end_write+0x1b0/0x1b0
[ 46.074565][ T489] ? mutex_lock+0xb6/0x130
[ 46.078962][ T489] ? bit_wait_io_timeout+0x110/0x110
[ 46.084229][ T489] ? __fdget_pos+0x26d/0x310
[ 46.088814][ T489] ? ksys_write+0x77/0x2c0
[ 46.093214][ T489] ksys_write+0x198/0x2c0
[ 46.097543][ T489] ? __ia32_sys_read+0x90/0x90
[ 46.102300][ T489] ? debug_smp_processor_id+0x17/0x20
[ 46.107650][ T489] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 46.113700][ T489] __x64_sys_write+0x7b/0x90
[ 46.118276][ T489] do_syscall_64+0x2f/0x50
[ 46.122696][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 46.128566][ T489] RIP: 0033:0x7f2a75dbc249
[ 46.133132][ T489] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 46.152800][ T489] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 46.161224][ T489] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 46.169203][ T489] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 46.177174][ T489] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 46.185369][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 46.193513][ T489] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 46.201666][ T489]
[ 46.204814][ T489] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 46.261339][ T471] FAULT_INJECTION: forcing a failure.
[ 46.261339][ T471] name failslab, interval 1, probability 0, space 0, times 0
[ 46.274089][ T471] CPU: 0 PID: 471 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 46.284684][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.294927][ T471] Call Trace:
[ 46.298216][ T471]
[ 46.301142][ T471] dump_stack_lvl+0x151/0x1b7
[ 46.305863][ T471] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 46.311313][ T471] ? pcpu_alloc+0xe83/0x1420
[ 46.315906][ T471] dump_stack+0x15/0x17
[ 46.320053][ T471] should_fail+0x3c0/0x510
[ 46.324455][ T471] ? percpu_ref_init+0xc9/0x350
[ 46.329297][ T471] __should_failslab+0x9f/0xe0
[ 46.334043][ T471] should_failslab+0x9/0x20
[ 46.338527][ T471] kmem_cache_alloc_trace+0x4a/0x320
[ 46.343956][ T471] ? cgroup_setup_root+0xec0/0xec0
[ 46.349079][ T471] percpu_ref_init+0xc9/0x350
[ 46.353829][ T471] ? cgroup_setup_root+0xec0/0xec0
[ 46.358950][ T471] cgroup_apply_control_enable+0x383/0x10c0
[ 46.364854][ T471] cgroup_apply_control+0x93/0x710
[ 46.369973][ T471] ? css_next_child+0x160/0x160
[ 46.374828][ T471] ? wake_bit_function+0x230/0x230
[ 46.379982][ T471] ? kernfs_fop_write_iter+0x15b/0x410
[ 46.385795][ T471] ? __kasan_check_write+0x14/0x20
[ 46.391004][ T471] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 46.396291][ T471] cgroup_subtree_control_write+0xdde/0x1340
[ 46.402321][ T471] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 46.408297][ T471] ? __kasan_check_write+0x14/0x20
[ 46.413399][ T471] ? _copy_from_iter+0x360/0xed0
[ 46.418318][ T471] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 46.424395][ T471] cgroup_file_write+0x28e/0x590
[ 46.429352][ T471] ? cgroup_seqfile_stop+0xc0/0xc0
[ 46.434455][ T471] ? bit_wait_io_timeout+0x110/0x110
[ 46.439739][ T471] ? __kasan_check_write+0x14/0x20
[ 46.444892][ T471] kernfs_fop_write_iter+0x2cd/0x410
[ 46.450184][ T471] ? cgroup_seqfile_stop+0xc0/0xc0
[ 46.455290][ T471] vfs_write+0xbb4/0xf30
[ 46.459530][ T471] ? file_end_write+0x1b0/0x1b0
[ 46.464515][ T471] ? mutex_lock+0xb6/0x130
[ 46.468933][ T471] ? bit_wait_io_timeout+0x110/0x110
[ 46.474204][ T471] ? __fdget_pos+0x26d/0x310
[ 46.478777][ T471] ? ksys_write+0x77/0x2c0
[ 46.483181][ T471] ksys_write+0x198/0x2c0
[ 46.487502][ T471] ? __ia32_sys_read+0x90/0x90
[ 46.492264][ T471] ? debug_smp_processor_id+0x17/0x20
[ 46.497733][ T471] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 46.503793][ T471] __x64_sys_write+0x7b/0x90
[ 46.508373][ T471] do_syscall_64+0x2f/0x50
[ 46.512876][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 46.518812][ T471] RIP: 0033:0x7f2a75dbc249
[ 46.523265][ T471] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 46.543405][ T471] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 46.551907][ T471] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 46.559909][ T471] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 46.567968][ T471] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 46.575952][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 46.583914][ T471] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 46.591885][ T471]
[ 46.597230][ T429] ------------[ cut here ]------------
[ 46.602883][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 46.611896][ T429] Modules linked in:
[ 46.615785][ T429] CPU: 0 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 46.626423][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.636505][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 46.642154][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 46.662007][ T429] RSP: 0018:ffffc9000160fba0 EFLAGS: 00010293
[ 46.668280][ T429] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810dd310c0
[ 46.676459][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 46.684531][ T429] RBP: ffffc9000160fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 46.692522][ T429] R10: fffff520002c1f65 R11: 1ffff920002c1f64 R12: dffffc0000000000
[ 46.700575][ T429] R13: ffff88810ece3e00 R14: ffffc9000160fc00 R15: 1ffff920002c1f7c
[ 46.708643][ T429] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 46.717580][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 46.724424][ T429] CR2: 00007ffe15c0f92c CR3: 0000000120e48000 CR4: 00000000003506b0
[ 46.732596][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 46.741226][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 46.749194][ T429] Call Trace:
[ 46.752486][ T429]
[ 46.756081][ T429] ? __kasan_check_write+0x14/0x20
[ 46.761194][ T429] ? up_write+0xa1/0x190
[ 46.765432][ T429] ? vfs_submount+0xb0/0xb0
[ 46.769920][ T429] ? change_mnt_propagation+0x8de/0xbc0
[ 46.775476][ T429] namespace_unlock+0x448/0x4f0
[ 46.780507][ T429] ? umount_tree+0xf40/0xf40
[ 46.785105][ T429] ? __detach_mounts+0x670/0x670
[ 46.790038][ T429] ? selinux_umount+0xf3/0x130
[ 46.794800][ T429] ? security_sb_umount+0x9d/0xb0
[ 46.799819][ T429] path_umount+0xe89/0xf40
[ 46.804239][ T429] ? __kasan_slab_free+0x11/0x20
[ 46.809169][ T429] ? user_path_at_empty+0x152/0x1b0
[ 46.814367][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 46.819380][ T429] ? user_path_at_empty+0x152/0x1b0
[ 46.824613][ T429] __x64_sys_umount+0x122/0x170
[ 46.829459][ T429] ? path_umount+0xf40/0xf40
[ 46.834155][ T429] ? debug_smp_processor_id+0x17/0x20
[ 46.839512][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 46.845156][ T429] do_syscall_64+0x2f/0x50
[ 46.849572][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 46.855646][ T429] RIP: 0033:0x7f2a75dbd657
[ 46.860132][ 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
[ 46.879957][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 46.888640][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 46.896610][ T429] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 46.904584][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 46.912552][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 46.920507][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 46.928574][ T429]
[ 46.932457][ T429] ---[ end trace 0000000000000000 ]---
[ 46.938010][ T429] ------------[ cut here ]------------
[ 46.943486][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 46.952611][ T429] Modules linked in:
[ 46.959367][ T429] CPU: 0 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 46.970047][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 46.980100][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 46.985737][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 47.005516][ T429] RSP: 0018:ffffc9000160fca0 EFLAGS: 00010293
[ 47.011620][ T429] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810dd310c0
[ 47.019576][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 47.027543][ T429] RBP: ffffc9000160fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 47.035508][ T429] R10: fffff520002c1f85 R11: 1ffff920002c1f84 R12: dffffc0000000000
[ 47.043475][ T429] R13: ffff88810ece3e00 R14: ffffc9000160fd00 R15: 1ffff920002c1f9c
[ 47.051790][ T429] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 47.060711][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.067302][ T429] CR2: 00007ffe15c0f92c CR3: 0000000120e48000 CR4: 00000000003506b0
[ 47.075275][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 47.083240][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 47.091313][ T429] Call Trace:
[ 47.094599][ T429]
[ 47.097515][ T429] ? lockref_get_or_lock+0x340/0x340
[ 47.102805][ T429] ? umount_tree+0xf40/0xf40
[ 47.107391][ T429] ? vfs_submount+0xb0/0xb0
[ 47.111986][ T429] ? dput+0x2b6/0x320
[ 47.115957][ T429] path_umount+0x1e0/0xf40
[ 47.120443][ T429] ? __kasan_slab_free+0x11/0x20
[ 47.125473][ T429] ? user_path_at_empty+0x152/0x1b0
[ 47.130760][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 47.135859][ T429] ? user_path_at_empty+0x152/0x1b0
[ 47.141064][ T429] __x64_sys_umount+0x122/0x170
[ 47.145910][ T429] ? path_umount+0xf40/0xf40
[ 47.150483][ T429] ? debug_smp_processor_id+0x17/0x20
[ 47.155853][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 47.161499][ T429] do_syscall_64+0x2f/0x50
[ 47.165906][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 47.171797][ T429] RIP: 0033:0x7f2a75dbd657
[ 47.176193][ 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
[ 47.195816][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 47.204448][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 47.212431][ T429] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 47.220564][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 47.228622][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 47.236617][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 47.244590][ T429]
[ 47.247684][ T429] ---[ end trace 0000000000000000 ]---
[ 47.253500][ T505] FAULT_INJECTION: forcing a failure.
[ 47.253500][ T505] name failslab, interval 1, probability 0, space 0, times 0
[ 47.266190][ T505] CPU: 1 PID: 505 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 47.276766][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 47.286900][ T505] Call Trace:
[ 47.290253][ T505]
[ 47.293182][ T505] dump_stack_lvl+0x151/0x1b7
[ 47.297857][ T505] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 47.303391][ T505] dump_stack+0x15/0x17
[ 47.307547][ T505] should_fail+0x3c0/0x510
[ 47.311982][ T505] ? pids_css_alloc+0x4e/0x120
[ 47.316785][ T505] __should_failslab+0x9f/0xe0
[ 47.321552][ T505] should_failslab+0x9/0x20
[ 47.326246][ T505] kmem_cache_alloc_trace+0x4a/0x320
[ 47.331644][ T505] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 47.336848][ T505] pids_css_alloc+0x4e/0x120
[ 47.341433][ T505] cgroup_apply_control_enable+0x335/0x10c0
[ 47.347413][ T505] cgroup_apply_control+0x93/0x710
[ 47.352515][ T505] ? css_next_child+0x160/0x160
[ 47.357394][ T505] ? wake_bit_function+0x230/0x230
[ 47.362491][ T505] ? kernfs_fop_write_iter+0x15b/0x410
[ 47.367948][ T505] ? __kasan_check_write+0x14/0x20
[ 47.373051][ T505] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 47.378319][ T505] cgroup_subtree_control_write+0xdde/0x1340
[ 47.384371][ T505] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 47.390367][ T505] ? __kasan_check_write+0x14/0x20
[ 47.395463][ T505] ? _copy_from_iter+0x360/0xed0
[ 47.400391][ T505] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 47.406359][ T505] cgroup_file_write+0x28e/0x590
[ 47.411287][ T505] ? cgroup_seqfile_stop+0xc0/0xc0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 47.416392][ T505] ? bit_wait_io_timeout+0x110/0x110
[ 47.421669][ T505] ? __kasan_check_write+0x14/0x20
[ 47.426797][ T505] kernfs_fop_write_iter+0x2cd/0x410
[ 47.432062][ T505] ? cgroup_seqfile_stop+0xc0/0xc0
[ 47.437168][ T505] vfs_write+0xbb4/0xf30
[ 47.441412][ T505] ? file_end_write+0x1b0/0x1b0
[ 47.446266][ T505] ? mutex_lock+0xb6/0x130
[ 47.450685][ T505] ? bit_wait_io_timeout+0x110/0x110
[ 47.455967][ T505] ? __fdget_pos+0x26d/0x310
[ 47.460629][ T505] ? ksys_write+0x77/0x2c0
[ 47.465125][ T505] ksys_write+0x198/0x2c0
[ 47.469447][ T505] ? __ia32_sys_read+0x90/0x90
[ 47.474332][ T505] ? debug_smp_processor_id+0x17/0x20
[ 47.479974][ T505] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 47.486026][ T505] __x64_sys_write+0x7b/0x90
[ 47.490603][ T505] do_syscall_64+0x2f/0x50
[ 47.495104][ T505] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 47.501005][ T505] RIP: 0033:0x7f2a75dbc249
[ 47.505401][ T505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 47.525001][ T505] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 47.533570][ T505] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 47.541610][ T505] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 47.549587][ T505] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 47.557547][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 47.565503][ T505] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 47.573459][ T505]
[ 47.621129][ T476] FAULT_INJECTION: forcing a failure.
[ 47.621129][ T476] name failslab, interval 1, probability 0, space 0, times 0
[ 47.633950][ T476] CPU: 0 PID: 476 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 47.644624][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 47.654665][ T476] Call Trace:
[ 47.657927][ T476]
[ 47.661114][ T476] dump_stack_lvl+0x151/0x1b7
[ 47.665951][ T476] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 47.671510][ T476] ? pcpu_alloc+0xe83/0x1420
[ 47.676087][ T476] dump_stack+0x15/0x17
[ 47.680229][ T476] should_fail+0x3c0/0x510
[ 47.684644][ T476] ? percpu_ref_init+0xc9/0x350
[ 47.689487][ T476] __should_failslab+0x9f/0xe0
[ 47.694233][ T476] should_failslab+0x9/0x20
[ 47.698721][ T476] kmem_cache_alloc_trace+0x4a/0x320
[ 47.703988][ T476] ? cgroup_setup_root+0xec0/0xec0
[ 47.709077][ T476] percpu_ref_init+0xc9/0x350
[ 47.713817][ T476] ? cgroup_setup_root+0xec0/0xec0
[ 47.718908][ T476] cgroup_apply_control_enable+0x383/0x10c0
[ 47.724795][ T476] cgroup_apply_control+0x93/0x710
[ 47.729885][ T476] ? css_next_child+0x160/0x160
[ 47.734745][ T476] ? wake_bit_function+0x230/0x230
[ 47.739844][ T476] ? kernfs_fop_write_iter+0x15b/0x410
[ 47.745292][ T476] ? __kasan_check_write+0x14/0x20
[ 47.750488][ T476] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 47.755930][ T476] cgroup_subtree_control_write+0xdde/0x1340
[ 47.761982][ T476] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 47.768060][ T476] ? __kasan_check_write+0x14/0x20
[ 47.773181][ T476] ? _copy_from_iter+0x360/0xed0
[ 47.778101][ T476] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 47.784062][ T476] cgroup_file_write+0x28e/0x590
[ 47.788982][ T476] ? cgroup_seqfile_stop+0xc0/0xc0
[ 47.794346][ T476] ? bit_wait_io_timeout+0x110/0x110
[ 47.799623][ T476] ? __kasan_check_write+0x14/0x20
[ 47.804819][ T476] kernfs_fop_write_iter+0x2cd/0x410
[ 47.810176][ T476] ? cgroup_seqfile_stop+0xc0/0xc0
[ 47.815284][ T476] vfs_write+0xbb4/0xf30
[ 47.819510][ T476] ? file_end_write+0x1b0/0x1b0
[ 47.824432][ T476] ? mutex_lock+0xec/0x130
[ 47.828832][ T476] ? bit_wait_io_timeout+0x110/0x110
[ 47.834104][ T476] ? __fdget_pos+0x26d/0x310
[ 47.838704][ T476] ? ksys_write+0x77/0x2c0
[ 47.843098][ T476] ksys_write+0x198/0x2c0
[ 47.847418][ T476] ? __ia32_sys_read+0x90/0x90
[ 47.852163][ T476] ? debug_smp_processor_id+0x17/0x20
[ 47.857520][ T476] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 47.863564][ T476] __x64_sys_write+0x7b/0x90
[ 47.868133][ T476] do_syscall_64+0x2f/0x50
[ 47.872529][ T476] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 47.878415][ T476] RIP: 0033:0x7f2a75dbc249
[ 47.882807][ T476] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 47.902483][ T476] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 47.910980][ T476] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 47.918946][ T476] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 47.926903][ T476] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 47.934858][ T476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 47.942810][ T476] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 47.950852][ T476]
[ 48.001212][ T500] FAULT_INJECTION: forcing a failure.
[ 48.001212][ T500] name failslab, interval 1, probability 0, space 0, times 0
[ 48.014057][ T500] CPU: 0 PID: 500 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 48.024647][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.034686][ T500] Call Trace:
[ 48.037951][ T500]
[ 48.040858][ T500] dump_stack_lvl+0x151/0x1b7
[ 48.045517][ T500] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 48.050954][ T500] ? selinux_kernfs_init_security+0x1a8/0x760
[ 48.057004][ T500] dump_stack+0x15/0x17
[ 48.061144][ T500] should_fail+0x3c0/0x510
[ 48.065542][ T500] ? __kernfs_new_node+0x99/0x6e0
[ 48.070543][ T500] __should_failslab+0x9f/0xe0
[ 48.075283][ T500] should_failslab+0x9/0x20
[ 48.079765][ T500] __kmalloc_track_caller+0x6c/0x340
[ 48.085031][ T500] kstrdup_const+0x55/0x90
[ 48.089429][ T500] __kernfs_new_node+0x99/0x6e0
[ 48.094259][ T500] ? stack_trace_save+0x1f0/0x1f0
[ 48.099262][ T500] ? kernfs_new_node+0x170/0x170
[ 48.104176][ T500] ? ptr_to_hashval+0x60/0x60
[ 48.108830][ T500] ? arch_stack_walk+0xf8/0x140
[ 48.113675][ T500] ? snprintf+0xd6/0x120
[ 48.117910][ T500] kernfs_new_node+0x97/0x170
[ 48.122590][ T500] __kernfs_create_file+0x4a/0x270
[ 48.127815][ T500] cgroup_addrm_files+0xab8/0xfe0
[ 48.132850][ T500] ? ____kasan_kmalloc+0xdc/0x110
[ 48.137943][ T500] ? __kasan_kmalloc+0x9/0x10
[ 48.142714][ T500] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 48.148523][ T500] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 48.154687][ T500] ? delete_node+0x759/0x7b0
[ 48.159365][ T500] ? __kasan_check_read+0x11/0x20
[ 48.164478][ T500] ? delete_node+0x759/0x7b0
[ 48.169069][ T500] ? __kasan_check_write+0x14/0x20
[ 48.174269][ T500] ? idr_replace+0x1c4/0x230
[ 48.178863][ T500] ? idr_get_next+0x4b0/0x4b0
[ 48.183613][ T500] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 48.188624][ T500] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 48.193823][ T500] css_populate_dir+0x137/0x370
[ 48.198743][ T500] cgroup_apply_control_enable+0x889/0x10c0
[ 48.204617][ T500] cgroup_apply_control+0x93/0x710
[ 48.209803][ T500] ? css_next_child+0x160/0x160
[ 48.214643][ T500] ? wake_bit_function+0x230/0x230
[ 48.219837][ T500] ? kernfs_fop_write_iter+0x15b/0x410
[ 48.225335][ T500] ? __kasan_check_write+0x14/0x20
[ 48.230557][ T500] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 48.235839][ T500] cgroup_subtree_control_write+0xdde/0x1340
[ 48.241921][ T500] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 48.247921][ T500] ? __kasan_check_write+0x14/0x20
[ 48.253019][ T500] ? _copy_from_iter+0x360/0xed0
[ 48.257943][ T500] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 48.263957][ T500] cgroup_file_write+0x28e/0x590
[ 48.268880][ T500] ? cgroup_seqfile_stop+0xc0/0xc0
[ 48.273978][ T500] ? bit_wait_io_timeout+0x110/0x110
[ 48.279367][ T500] ? __kasan_check_write+0x14/0x20
[ 48.284720][ T500] kernfs_fop_write_iter+0x2cd/0x410
[ 48.290002][ T500] ? cgroup_seqfile_stop+0xc0/0xc0
[ 48.295209][ T500] vfs_write+0xbb4/0xf30
[ 48.299434][ T500] ? file_end_write+0x1b0/0x1b0
[ 48.304350][ T500] ? mutex_lock+0xec/0x130
[ 48.308764][ T500] ? bit_wait_io_timeout+0x110/0x110
[ 48.314120][ T500] ? __fdget_pos+0x26d/0x310
[ 48.318690][ T500] ? ksys_write+0x77/0x2c0
[ 48.323112][ T500] ksys_write+0x198/0x2c0
[ 48.327449][ T500] ? __ia32_sys_read+0x90/0x90
[ 48.332243][ T500] ? debug_smp_processor_id+0x17/0x20
[ 48.337606][ T500] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 48.343759][ T500] __x64_sys_write+0x7b/0x90
[ 48.348330][ T500] do_syscall_64+0x2f/0x50
[ 48.352728][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 48.358690][ T500] RIP: 0033:0x7f2a75dbc249
[ 48.363091][ T500] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 48.382853][ T500] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 48.391425][ T500] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 48.399385][ T500] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 48.407516][ T500] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 48.415595][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 48.423554][ T500] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 48.431748][ T500]
[ 48.434928][ T500] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 48.481240][ T514] FAULT_INJECTION: forcing a failure.
[ 48.481240][ T514] name failslab, interval 1, probability 0, space 0, times 0
[ 48.494018][ T514] CPU: 0 PID: 514 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 48.504590][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.514632][ T514] Call Trace:
[ 48.517898][ T514]
[ 48.520813][ T514] dump_stack_lvl+0x151/0x1b7
[ 48.525474][ T514] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 48.530925][ T514] dump_stack+0x15/0x17
[ 48.535104][ T514] should_fail+0x3c0/0x510
[ 48.539508][ T514] ? pids_css_alloc+0x4e/0x120
[ 48.544340][ T514] __should_failslab+0x9f/0xe0
[ 48.549089][ T514] should_failslab+0x9/0x20
[ 48.553579][ T514] kmem_cache_alloc_trace+0x4a/0x320
[ 48.559015][ T514] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 48.564294][ T514] pids_css_alloc+0x4e/0x120
[ 48.568873][ T514] cgroup_apply_control_enable+0x335/0x10c0
[ 48.574939][ T514] cgroup_apply_control+0x93/0x710
[ 48.580039][ T514] ? css_next_child+0x160/0x160
[ 48.584897][ T514] ? wake_bit_function+0x230/0x230
[ 48.590077][ T514] ? kernfs_fop_write_iter+0x15b/0x410
[ 48.595525][ T514] ? __kasan_check_write+0x14/0x20
[ 48.600706][ T514] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 48.605982][ T514] cgroup_subtree_control_write+0xdde/0x1340
[ 48.612051][ T514] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 48.618116][ T514] ? __kasan_check_write+0x14/0x20
[ 48.623218][ T514] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 48.628223][ T514] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 48.634291][ T514] cgroup_file_write+0x28e/0x590
[ 48.639299][ T514] ? cgroup_seqfile_stop+0xc0/0xc0
[ 48.644400][ T514] ? bit_wait_io_timeout+0x110/0x110
[ 48.649901][ T514] ? __kasan_check_write+0x14/0x20
[ 48.655132][ T514] kernfs_fop_write_iter+0x2cd/0x410
[ 48.660413][ T514] ? cgroup_seqfile_stop+0xc0/0xc0
[ 48.665517][ T514] vfs_write+0xbb4/0xf30
[ 48.669837][ T514] ? file_end_write+0x1b0/0x1b0
[ 48.674768][ T514] ? mutex_lock+0xec/0x130
[ 48.679181][ T514] ? bit_wait_io_timeout+0x110/0x110
[ 48.684561][ T514] ? __fdget_pos+0x26d/0x310
[ 48.689138][ T514] ? ksys_write+0x77/0x2c0
[ 48.695088][ T514] ksys_write+0x198/0x2c0
[ 48.699406][ T514] ? __ia32_sys_read+0x90/0x90
[ 48.704174][ T514] ? debug_smp_processor_id+0x17/0x20
[ 48.709528][ T514] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 48.715662][ T514] __x64_sys_write+0x7b/0x90
[ 48.720238][ T514] do_syscall_64+0x2f/0x50
[ 48.724633][ T514] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 48.730507][ T514] RIP: 0033:0x7f2a75dbc249
[ 48.734915][ T514] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 48.754691][ T514] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 48.763179][ T514] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 48.771322][ T514] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 48.779297][ T514] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 48.787337][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 48.795386][ T514] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 48.803345][ T514]
[ 48.851365][ T513] FAULT_INJECTION: forcing a failure.
[ 48.851365][ T513] name failslab, interval 1, probability 0, space 0, times 0
[ 48.864185][ T513] CPU: 1 PID: 513 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 48.874758][ T513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.885230][ T513] Call Trace:
[ 48.888507][ T513]
[ 48.891424][ T513] dump_stack_lvl+0x151/0x1b7
[ 48.896212][ T513] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 48.901660][ T513] ? selinux_kernfs_init_security+0x1a8/0x760
[ 48.907765][ T513] dump_stack+0x15/0x17
[ 48.911934][ T513] should_fail+0x3c0/0x510
[ 48.916344][ T513] __should_failslab+0x9f/0xe0
[ 48.921095][ T513] should_failslab+0x9/0x20
[ 48.925582][ T513] kmem_cache_alloc+0x4f/0x300
[ 48.930331][ T513] ? __kernfs_new_node+0xdb/0x6e0
[ 48.935339][ T513] __kernfs_new_node+0xdb/0x6e0
[ 48.940182][ T513] ? stack_trace_save+0x1f0/0x1f0
[ 48.945196][ T513] ? kernfs_new_node+0x170/0x170
[ 48.950307][ T513] ? ptr_to_hashval+0x60/0x60
[ 48.954974][ T513] ? up_read+0x1b0/0x1b0
[ 48.959215][ T513] ? snprintf+0xd6/0x120
[ 48.963449][ T513] kernfs_new_node+0x97/0x170
[ 48.968111][ T513] __kernfs_create_file+0x4a/0x270
[ 48.973217][ T513] cgroup_addrm_files+0xab8/0xfe0
[ 48.978222][ T513] ? ____kasan_kmalloc+0xdc/0x110
[ 48.983224][ T513] ? __kasan_kmalloc+0x9/0x10
[ 48.987877][ T513] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 48.993408][ T513] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 48.999542][ T513] ? delete_node+0x759/0x7b0
[ 49.004114][ T513] ? __kasan_check_read+0x11/0x20
[ 49.009136][ T513] ? idr_replace+0x1c4/0x230
[ 49.013857][ T513] ? idr_get_next+0x4b0/0x4b0
[ 49.018570][ T513] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 49.023665][ T513] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 49.028939][ T513] css_populate_dir+0x137/0x370
[ 49.033779][ T513] cgroup_apply_control_enable+0x889/0x10c0
[ 49.039651][ T513] cgroup_apply_control+0x93/0x710
[ 49.044841][ T513] ? css_next_child+0x160/0x160
[ 49.049673][ T513] ? wake_bit_function+0x230/0x230
[ 49.054804][ T513] ? kernfs_fop_write_iter+0x15b/0x410
[ 49.060255][ T513] ? __kasan_check_write+0x14/0x20
[ 49.065366][ T513] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 49.070634][ T513] cgroup_subtree_control_write+0xdde/0x1340
[ 49.076628][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.082592][ T513] ? __kasan_check_write+0x14/0x20
[ 49.087687][ T513] ? _copy_from_iter+0x360/0xed0
[ 49.092606][ T513] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.098585][ T513] cgroup_file_write+0x28e/0x590
[ 49.103510][ T513] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.108598][ T513] ? bit_wait_io_timeout+0x110/0x110
[ 49.113969][ T513] ? __kasan_check_write+0x14/0x20
[ 49.119073][ T513] kernfs_fop_write_iter+0x2cd/0x410
[ 49.124348][ T513] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.129452][ T513] vfs_write+0xbb4/0xf30
[ 49.133772][ T513] ? file_end_write+0x1b0/0x1b0
[ 49.138789][ T513] ? mutex_lock+0xec/0x130
[ 49.143197][ T513] ? bit_wait_io_timeout+0x110/0x110
[ 49.148470][ T513] ? __fdget_pos+0x26d/0x310
[ 49.153085][ T513] ? ksys_write+0x77/0x2c0
[ 49.157515][ T513] ksys_write+0x198/0x2c0
[ 49.161880][ T513] ? __ia32_sys_read+0x90/0x90
[ 49.166640][ T513] ? debug_smp_processor_id+0x17/0x20
[ 49.171999][ T513] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 49.178074][ T513] __x64_sys_write+0x7b/0x90
[ 49.182668][ T513] do_syscall_64+0x2f/0x50
[ 49.187088][ T513] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 49.192984][ T513] RIP: 0033:0x7f2a75dbc249
[ 49.197402][ T513] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 49.217007][ T513] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 49.225530][ T513] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 49.233503][ T513] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 49.241459][ T513] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 49.249419][ T513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 49.257376][ T513] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 49.265578][ T513]
[ 49.268811][ T513] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 49.321387][ T497] FAULT_INJECTION: forcing a failure.
[ 49.321387][ T497] name failslab, interval 1, probability 0, space 0, times 0
[ 49.334264][ T497] CPU: 0 PID: 497 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 49.344955][ T497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.355003][ T497] Call Trace:
[ 49.358284][ T497]
[ 49.361197][ T497] dump_stack_lvl+0x151/0x1b7
[ 49.365858][ T497] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 49.371317][ T497] dump_stack+0x15/0x17
[ 49.375452][ T497] should_fail+0x3c0/0x510
[ 49.379853][ T497] ? pids_css_alloc+0x4e/0x120
[ 49.384601][ T497] __should_failslab+0x9f/0xe0
[ 49.389361][ T497] should_failslab+0x9/0x20
[ 49.393899][ T497] kmem_cache_alloc_trace+0x4a/0x320
[ 49.399197][ T497] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 49.404406][ T497] pids_css_alloc+0x4e/0x120
[ 49.409037][ T497] cgroup_apply_control_enable+0x335/0x10c0
[ 49.414930][ T497] cgroup_apply_control+0x93/0x710
[ 49.420031][ T497] ? css_next_child+0x160/0x160
[ 49.424879][ T497] ? wake_bit_function+0x230/0x230
[ 49.429994][ T497] ? kernfs_fop_write_iter+0x15b/0x410
[ 49.435612][ T497] ? __kasan_check_write+0x14/0x20
[ 49.440741][ T497] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 49.447496][ T497] cgroup_subtree_control_write+0xdde/0x1340
[ 49.453668][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.459912][ T497] ? __kasan_check_write+0x14/0x20
[ 49.465068][ T497] ? _copy_from_iter+0x360/0xed0
[ 49.469999][ T497] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.476051][ T497] cgroup_file_write+0x28e/0x590
[ 49.481012][ T497] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.486157][ T497] ? bit_wait_io_timeout+0x110/0x110
[ 49.491521][ T497] ? __kasan_check_write+0x14/0x20
[ 49.496646][ T497] kernfs_fop_write_iter+0x2cd/0x410
[ 49.502135][ T497] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.507243][ T497] vfs_write+0xbb4/0xf30
[ 49.511570][ T497] ? file_end_write+0x1b0/0x1b0
[ 49.516407][ T497] ? mutex_lock+0xb6/0x130
[ 49.520826][ T497] ? bit_wait_io_timeout+0x110/0x110
[ 49.526124][ T497] ? __fdget_pos+0x26d/0x310
[ 49.530713][ T497] ? ksys_write+0x77/0x2c0
[ 49.535147][ T497] ksys_write+0x198/0x2c0
[ 49.539484][ T497] ? __ia32_sys_read+0x90/0x90
[ 49.544350][ T497] ? debug_smp_processor_id+0x17/0x20
[ 49.549714][ T497] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 49.555858][ T497] __x64_sys_write+0x7b/0x90
[ 49.560464][ T497] do_syscall_64+0x2f/0x50
[ 49.564890][ T497] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 49.570852][ T497] RIP: 0033:0x7f2a75dbc249
[ 49.575249][ T497] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 49.594923][ T497] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 49.603412][ T497] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 49.611395][ T497] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 49.619611][ T497] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 49.627588][ T497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 49.635560][ T497] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 49.643525][ T497]
[ 49.681435][ T520] FAULT_INJECTION: forcing a failure.
[ 49.681435][ T520] name failslab, interval 1, probability 0, space 0, times 0
[ 49.694216][ T520] CPU: 0 PID: 520 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 49.704974][ T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 49.715086][ T520] Call Trace:
[ 49.718531][ T520]
[ 49.721625][ T520] dump_stack_lvl+0x151/0x1b7
[ 49.726306][ T520] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 49.731767][ T520] ? pcpu_alloc+0xe83/0x1420
[ 49.736527][ T520] dump_stack+0x15/0x17
[ 49.741600][ T520] should_fail+0x3c0/0x510
[ 49.746062][ T520] ? percpu_ref_init+0xc9/0x350
[ 49.751325][ T520] __should_failslab+0x9f/0xe0
[ 49.756574][ T520] should_failslab+0x9/0x20
[ 49.761974][ T520] kmem_cache_alloc_trace+0x4a/0x320
[ 49.767453][ T520] ? cgroup_setup_root+0xec0/0xec0
[ 49.772681][ T520] percpu_ref_init+0xc9/0x350
[ 49.777462][ T520] ? cgroup_setup_root+0xec0/0xec0
[ 49.782574][ T520] cgroup_apply_control_enable+0x383/0x10c0
[ 49.788659][ T520] cgroup_apply_control+0x93/0x710
[ 49.793768][ T520] ? css_next_child+0x160/0x160
[ 49.798787][ T520] ? wake_bit_function+0x230/0x230
[ 49.803898][ T520] ? kernfs_fop_write_iter+0x15b/0x410
[ 49.809359][ T520] ? __kasan_check_write+0x14/0x20
[ 49.814459][ T520] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 49.819731][ T520] cgroup_subtree_control_write+0xdde/0x1340
[ 49.825714][ T520] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 49.831686][ T520] ? __kasan_check_write+0x14/0x20
[ 49.836791][ T520] ? _copy_from_iter+0x360/0xed0
[ 49.841725][ T520] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 49.847779][ T520] cgroup_file_write+0x28e/0x590
[ 49.852724][ T520] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.857819][ T520] ? bit_wait_io_timeout+0x110/0x110
[ 49.863230][ T520] ? __kasan_check_write+0x14/0x20
[ 49.868340][ T520] kernfs_fop_write_iter+0x2cd/0x410
[ 49.873754][ T520] ? cgroup_seqfile_stop+0xc0/0xc0
[ 49.878858][ T520] vfs_write+0xbb4/0xf30
[ 49.883085][ T520] ? file_end_write+0x1b0/0x1b0
[ 49.888093][ T520] ? mutex_lock+0xec/0x130
[ 49.892496][ T520] ? bit_wait_io_timeout+0x110/0x110
[ 49.897771][ T520] ? __fdget_pos+0x26d/0x310
[ 49.902436][ T520] ? ksys_write+0x77/0x2c0
[ 49.906840][ T520] ksys_write+0x198/0x2c0
[ 49.911288][ T520] ? __ia32_sys_read+0x90/0x90
[ 49.916047][ T520] ? debug_smp_processor_id+0x17/0x20
[ 49.921430][ T520] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 49.927584][ T520] __x64_sys_write+0x7b/0x90
[ 49.932161][ T520] do_syscall_64+0x2f/0x50
[ 49.936580][ T520] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 49.942456][ T520] RIP: 0033:0x7f2a75dbc249
[ 49.947229][ T520] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 49.967607][ T520] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 49.976005][ T520] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 49.983968][ T520] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 49.992027][ T520] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 50.000065][ T520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 50.008103][ T520] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 50.016072][ T520]
[ 50.041165][ T527] FAULT_INJECTION: forcing a failure.
[ 50.041165][ T527] name failslab, interval 1, probability 0, space 0, times 0
[ 50.054023][ T527] CPU: 0 PID: 527 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 50.064589][ T527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 50.074739][ T527] Call Trace:
[ 50.078015][ T527]
[ 50.080932][ T527] dump_stack_lvl+0x151/0x1b7
[ 50.085691][ T527] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 50.091135][ T527] ? selinux_kernfs_init_security+0x1a8/0x760
[ 50.097194][ T527] dump_stack+0x15/0x17
[ 50.101353][ T527] should_fail+0x3c0/0x510
[ 50.105865][ T527] ? __kernfs_new_node+0x99/0x6e0
[ 50.110984][ T527] __should_failslab+0x9f/0xe0
[ 50.115731][ T527] should_failslab+0x9/0x20
[ 50.120226][ T527] __kmalloc_track_caller+0x6c/0x340
[ 50.125503][ T527] kstrdup_const+0x55/0x90
[ 50.129912][ T527] __kernfs_new_node+0x99/0x6e0
[ 50.134755][ T527] ? stack_trace_save+0x1f0/0x1f0
[ 50.139867][ T527] ? kernfs_new_node+0x170/0x170
[ 50.144781][ T527] ? ptr_to_hashval+0x60/0x60
[ 50.149440][ T527] ? arch_stack_walk+0xf8/0x140
[ 50.154289][ T527] ? snprintf+0xd6/0x120
[ 50.158517][ T527] kernfs_new_node+0x97/0x170
[ 50.163184][ T527] __kernfs_create_file+0x4a/0x270
[ 50.168344][ T527] cgroup_addrm_files+0xab8/0xfe0
[ 50.173428][ T527] ? ____kasan_kmalloc+0xdc/0x110
[ 50.178451][ T527] ? __kasan_kmalloc+0x9/0x10
[ 50.183109][ T527] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 50.188635][ T527] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 50.194785][ T527] ? delete_node+0x759/0x7b0
[ 50.199357][ T527] ? __kasan_check_read+0x11/0x20
[ 50.204364][ T527] ? delete_node+0x759/0x7b0
[ 50.209057][ T527] ? __kasan_check_write+0x14/0x20
[ 50.214167][ T527] ? idr_replace+0x1c4/0x230
[ 50.218829][ T527] ? idr_get_next+0x4b0/0x4b0
[ 50.223600][ T527] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 50.228724][ T527] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 50.233936][ T527] css_populate_dir+0x137/0x370
[ 50.238809][ T527] cgroup_apply_control_enable+0x889/0x10c0
[ 50.245082][ T527] cgroup_apply_control+0x93/0x710
[ 50.250247][ T527] ? css_next_child+0x160/0x160
[ 50.255084][ T527] ? wake_bit_function+0x230/0x230
[ 50.260256][ T527] ? kernfs_fop_write_iter+0x15b/0x410
[ 50.266130][ T527] ? __kasan_check_write+0x14/0x20
[ 50.271239][ T527] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 50.276964][ T527] cgroup_subtree_control_write+0xdde/0x1340
[ 50.283031][ T527] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 50.289158][ T527] ? __kasan_check_write+0x14/0x20
[ 50.294256][ T527] ? _copy_from_iter+0x360/0xed0
[ 50.299183][ T527] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 50.305253][ T527] cgroup_file_write+0x28e/0x590
[ 50.310360][ T527] ? cgroup_seqfile_stop+0xc0/0xc0
[ 50.315732][ T527] ? bit_wait_io_timeout+0x110/0x110
[ 50.321289][ T527] ? __kasan_check_write+0x14/0x20
[ 50.326411][ T527] kernfs_fop_write_iter+0x2cd/0x410
[ 50.331685][ T527] ? cgroup_seqfile_stop+0xc0/0xc0
[ 50.336780][ T527] vfs_write+0xbb4/0xf30
[ 50.341292][ T527] ? file_end_write+0x1b0/0x1b0
[ 50.346307][ T527] ? mutex_lock+0xb6/0x130
[ 50.350707][ T527] ? bit_wait_io_timeout+0x110/0x110
[ 50.355987][ T527] ? __fdget_pos+0x26d/0x310
[ 50.360644][ T527] ? ksys_write+0x77/0x2c0
[ 50.365048][ T527] ksys_write+0x198/0x2c0
[ 50.369368][ T527] ? __ia32_sys_read+0x90/0x90
[ 50.374672][ T527] ? debug_smp_processor_id+0x17/0x20
[ 50.380046][ T527] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 50.386093][ T527] __x64_sys_write+0x7b/0x90
[ 50.390767][ T527] do_syscall_64+0x2f/0x50
[ 50.395186][ T527] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 50.401083][ T527] RIP: 0033:0x7f2a75dbc249
[ 50.405590][ T527] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.425709][ T527] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 50.434196][ T527] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 50.442455][ T527] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 50.450430][ T527] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 50.458472][ T527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 50.466540][ T527] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 50.474810][ T527]
[ 50.478036][ T527] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 50.531330][ T522] FAULT_INJECTION: forcing a failure.
[ 50.531330][ T522] name failslab, interval 1, probability 0, space 0, times 0
[ 50.544069][ T522] CPU: 0 PID: 522 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 50.554661][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 50.564698][ T522] Call Trace:
[ 50.567977][ T522]
[ 50.570897][ T522] dump_stack_lvl+0x151/0x1b7
[ 50.575557][ T522] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 50.580992][ T522] ? pcpu_alloc+0xe83/0x1420
[ 50.585577][ T522] dump_stack+0x15/0x17
[ 50.589829][ T522] should_fail+0x3c0/0x510
[ 50.594235][ T522] ? percpu_ref_init+0xc9/0x350
[ 50.599303][ T522] __should_failslab+0x9f/0xe0
[ 50.604208][ T522] should_failslab+0x9/0x20
[ 50.608711][ T522] kmem_cache_alloc_trace+0x4a/0x320
[ 50.613993][ T522] ? cgroup_setup_root+0xec0/0xec0
[ 50.619089][ T522] percpu_ref_init+0xc9/0x350
[ 50.623748][ T522] ? cgroup_setup_root+0xec0/0xec0
[ 50.628840][ T522] cgroup_apply_control_enable+0x383/0x10c0
[ 50.634714][ T522] cgroup_apply_control+0x93/0x710
[ 50.639819][ T522] ? css_next_child+0x160/0x160
[ 50.644686][ T522] ? wake_bit_function+0x230/0x230
[ 50.649779][ T522] ? kernfs_fop_write_iter+0x15b/0x410
[ 50.655241][ T522] ? __kasan_check_write+0x14/0x20
[ 50.660357][ T522] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 50.665710][ T522] cgroup_subtree_control_write+0xdde/0x1340
[ 50.671673][ T522] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 50.677640][ T522] ? __kasan_check_write+0x14/0x20
[ 50.682871][ T522] ? _copy_from_iter+0x360/0xed0
[ 50.687871][ T522] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 50.693842][ T522] cgroup_file_write+0x28e/0x590
[ 50.698866][ T522] ? cgroup_seqfile_stop+0xc0/0xc0
[ 50.703974][ T522] ? bit_wait_io_timeout+0x110/0x110
[ 50.709370][ T522] ? __kasan_check_write+0x14/0x20
[ 50.714480][ T522] kernfs_fop_write_iter+0x2cd/0x410
[ 50.719974][ T522] ? cgroup_seqfile_stop+0xc0/0xc0
[ 50.725134][ T522] vfs_write+0xbb4/0xf30
[ 50.729366][ T522] ? file_end_write+0x1b0/0x1b0
[ 50.734613][ T522] ? mutex_lock+0xb6/0x130
[ 50.739092][ T522] ? bit_wait_io_timeout+0x110/0x110
[ 50.744456][ T522] ? __fdget_pos+0x26d/0x310
[ 50.749247][ T522] ? ksys_write+0x77/0x2c0
[ 50.753666][ T522] ksys_write+0x198/0x2c0
[ 50.757989][ T522] ? __ia32_sys_read+0x90/0x90
[ 50.762749][ T522] ? debug_smp_processor_id+0x17/0x20
[ 50.768113][ T522] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 50.774267][ T522] __x64_sys_write+0x7b/0x90
[ 50.778845][ T522] do_syscall_64+0x2f/0x50
[ 50.783261][ T522] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 50.789144][ T522] RIP: 0033:0x7f2a75dbc249
[ 50.793538][ T522] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 50.813238][ T522] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 50.821641][ T522] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 50.829605][ T522] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 50.837606][ T522] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 50.845574][ T522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 50.853735][ T522] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 50.861842][ T522]
[ 50.901316][ T503] FAULT_INJECTION: forcing a failure.
[ 50.901316][ T503] name failslab, interval 1, probability 0, space 0, times 0
[ 50.914659][ T503] CPU: 0 PID: 503 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 50.925236][ T503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 50.935278][ T503] Call Trace:
[ 50.938548][ T503]
[ 50.941559][ T503] dump_stack_lvl+0x151/0x1b7
[ 50.946236][ T503] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 50.952107][ T503] ? pcpu_alloc+0xe83/0x1420
[ 50.956691][ T503] dump_stack+0x15/0x17
[ 50.960943][ T503] should_fail+0x3c0/0x510
[ 50.965356][ T503] ? percpu_ref_init+0xc9/0x350
[ 50.970374][ T503] __should_failslab+0x9f/0xe0
[ 50.975233][ T503] should_failslab+0x9/0x20
[ 50.979728][ T503] kmem_cache_alloc_trace+0x4a/0x320
[ 50.984992][ T503] ? cgroup_setup_root+0xec0/0xec0
[ 50.990085][ T503] percpu_ref_init+0xc9/0x350
[ 50.994765][ T503] ? cgroup_setup_root+0xec0/0xec0
[ 50.999869][ T503] cgroup_apply_control_enable+0x383/0x10c0
[ 51.005743][ T503] cgroup_apply_control+0x93/0x710
[ 51.010832][ T503] ? css_next_child+0x160/0x160
[ 51.015670][ T503] ? wake_bit_function+0x230/0x230
[ 51.020860][ T503] ? kernfs_fop_write_iter+0x15b/0x410
[ 51.026474][ T503] ? __kasan_check_write+0x14/0x20
[ 51.031675][ T503] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 51.036941][ T503] cgroup_subtree_control_write+0xdde/0x1340
[ 51.042913][ T503] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 51.048873][ T503] ? __kasan_check_write+0x14/0x20
[ 51.053987][ T503] ? _copy_from_iter+0x360/0xed0
[ 51.058905][ T503] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 51.065043][ T503] cgroup_file_write+0x28e/0x590
[ 51.070065][ T503] ? cgroup_seqfile_stop+0xc0/0xc0
[ 51.075157][ T503] ? bit_wait_io_timeout+0x110/0x110
[ 51.080514][ T503] ? __kasan_check_write+0x14/0x20
[ 51.085610][ T503] kernfs_fop_write_iter+0x2cd/0x410
[ 51.090906][ T503] ? cgroup_seqfile_stop+0xc0/0xc0
[ 51.096045][ T503] vfs_write+0xbb4/0xf30
[ 51.100366][ T503] ? file_end_write+0x1b0/0x1b0
[ 51.105194][ T503] ? mutex_lock+0xec/0x130
[ 51.109595][ T503] ? bit_wait_io_timeout+0x110/0x110
[ 51.114863][ T503] ? __fdget_pos+0x26d/0x310
[ 51.119442][ T503] ? ksys_write+0x77/0x2c0
[ 51.123851][ T503] ksys_write+0x198/0x2c0
[ 51.128234][ T503] ? __ia32_sys_read+0x90/0x90
[ 51.133001][ T503] ? debug_smp_processor_id+0x17/0x20
[ 51.138358][ T503] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 51.144574][ T503] __x64_sys_write+0x7b/0x90
[ 51.149157][ T503] do_syscall_64+0x2f/0x50
[ 51.153645][ T503] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.159519][ T503] RIP: 0033:0x7f2a75dbc249
[ 51.164029][ T503] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.184011][ T503] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 51.192422][ T503] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 51.200378][ T503] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 51.208332][ T503] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 51.216299][ T503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 51.224281][ T503] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 51.232258][ T503]
[ 51.238045][ T432] ------------[ cut here ]------------
[ 51.243544][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 51.252526][ T432] Modules linked in:
[ 51.256404][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 51.267200][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.277611][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 51.283305][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 51.303235][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 51.309300][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27d3c0
[ 51.317486][ T432] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 51.325738][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 51.333735][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
[ 51.341724][ T432] R13: ffff88810ece2a80 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 51.349696][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 51.358668][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.365277][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 51.373331][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 51.381330][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 51.389512][ T432] Call Trace:
[ 51.392981][ T432]
[ 51.396033][ T432] ? __kasan_check_write+0x14/0x20
[ 51.401192][ T432] ? up_write+0xa1/0x190
[ 51.405437][ T432] ? vfs_submount+0xb0/0xb0
[ 51.409944][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 51.415514][ T432] namespace_unlock+0x448/0x4f0
[ 51.420383][ T432] ? umount_tree+0xf40/0xf40
[ 51.425025][ T432] ? __detach_mounts+0x670/0x670
[ 51.430046][ T432] ? selinux_umount+0xf3/0x130
[ 51.434824][ T432] ? security_sb_umount+0x9d/0xb0
[ 51.440041][ T432] path_umount+0xe89/0xf40
[ 51.444662][ T432] ? __kasan_slab_free+0x11/0x20
[ 51.449594][ T432] ? user_path_at_empty+0x152/0x1b0
[ 51.454837][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 51.459867][ T432] ? user_path_at_empty+0x152/0x1b0
[ 51.465388][ T432] __x64_sys_umount+0x122/0x170
[ 51.470251][ T432] ? path_umount+0xf40/0xf40
[ 51.474863][ T432] ? debug_smp_processor_id+0x17/0x20
[ 51.480230][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 51.485979][ T432] do_syscall_64+0x2f/0x50
[ 51.490575][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.496657][ T432] RIP: 0033:0x7f2a75dbd657
[ 51.501248][ T432] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.520974][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 51.529639][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 51.537652][ T432] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 51.545808][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 51.553959][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 51.561968][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 51.570033][ T432]
[ 51.573527][ T432] ---[ end trace 0000000000000000 ]---
[ 51.579014][ T432] ------------[ cut here ]------------
[ 51.584502][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 51.593519][ T432] Modules linked in:
[ 51.597391][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 51.607983][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.618084][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 51.623744][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 51.643371][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 51.649521][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d27d3c0
[ 51.657593][ T432] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 51.665582][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 51.673656][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 51.683281][ T432] R13: ffff88810ece2a80 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 51.691356][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 51.700289][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.707070][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 51.715237][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 51.723215][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 51.731192][ T432] Call Trace:
[ 51.734453][ T432]
[ 51.737366][ T432] ? lockref_get_or_lock+0x340/0x340
[ 51.742778][ T432] ? umount_tree+0xf40/0xf40
[ 51.747484][ T432] ? vfs_submount+0xb0/0xb0
[ 51.751997][ T432] ? dput+0x2b6/0x320
[ 51.755976][ T432] path_umount+0x1e0/0xf40
[ 51.760383][ T432] ? __kasan_slab_free+0x11/0x20
[ 51.765322][ T432] ? user_path_at_empty+0x152/0x1b0
[ 51.770681][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 51.776233][ T432] ? user_path_at_empty+0x152/0x1b0
[ 51.781444][ T432] __x64_sys_umount+0x122/0x170
[ 51.786368][ T432] ? path_umount+0xf40/0xf40
[ 51.790963][ T432] ? debug_smp_processor_id+0x17/0x20
[ 51.796365][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 51.802090][ T432] do_syscall_64+0x2f/0x50
[ 51.806495][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.812421][ T432] RIP: 0033:0x7f2a75dbd657
[ 51.816909][ T432] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 51.836779][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 51.845205][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 51.853185][ T432] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 51.861591][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 51.869643][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 51.877705][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 51.885687][ T432]
[ 51.888784][ T432] ---[ end trace 0000000000000000 ]---
[ 51.894687][ T530] FAULT_INJECTION: forcing a failure.
[ 51.894687][ T530] name failslab, interval 1, probability 0, space 0, times 0
[ 51.911195][ T530] CPU: 1 PID: 530 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 51.922495][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.932887][ T530] Call Trace:
[ 51.936163][ T530]
[ 51.939096][ T530] dump_stack_lvl+0x151/0x1b7
[ 51.943773][ T530] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 51.949236][ T530] ? pcpu_alloc+0xe83/0x1420
[ 51.953815][ T530] dump_stack+0x15/0x17
[ 51.958045][ T530] should_fail+0x3c0/0x510
[ 51.962472][ T530] ? percpu_ref_init+0xc9/0x350
[ 51.967330][ T530] __should_failslab+0x9f/0xe0
[ 51.972105][ T530] should_failslab+0x9/0x20
[ 51.976601][ T530] kmem_cache_alloc_trace+0x4a/0x320
[ 51.981906][ T530] ? cgroup_setup_root+0xec0/0xec0
[ 51.987015][ T530] percpu_ref_init+0xc9/0x350
[ 51.991808][ T530] ? cgroup_setup_root+0xec0/0xec0
[ 51.996920][ T530] cgroup_apply_control_enable+0x383/0x10c0
[ 52.002819][ T530] cgroup_apply_control+0x93/0x710
[ 52.007921][ T530] ? css_next_child+0x160/0x160
[ 52.012751][ T530] ? wake_bit_function+0x230/0x230
[ 52.017843][ T530] ? kernfs_fop_write_iter+0x15b/0x410
[ 52.023280][ T530] ? __kasan_check_write+0x14/0x20
[ 52.028370][ T530] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 52.033634][ T530] cgroup_subtree_control_write+0xdde/0x1340
[ 52.039627][ T530] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 52.045589][ T530] ? __kasan_check_write+0x14/0x20
[ 52.050699][ T530] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 52.055616][ T530] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 52.061594][ T530] cgroup_file_write+0x28e/0x590
[ 52.066516][ T530] ? cgroup_seqfile_stop+0xc0/0xc0
[ 52.071608][ T530] ? bit_wait_io_timeout+0x110/0x110
[ 52.076880][ T530] ? __kasan_check_write+0x14/0x20
[ 52.081992][ T530] kernfs_fop_write_iter+0x2cd/0x410
[ 52.087270][ T530] ? cgroup_seqfile_stop+0xc0/0xc0
[ 52.092366][ T530] vfs_write+0xbb4/0xf30
[ 52.096600][ T530] ? file_end_write+0x1b0/0x1b0
[ 52.101441][ T530] ? mutex_lock+0xec/0x130
[ 52.105856][ T530] ? bit_wait_io_timeout+0x110/0x110
[ 52.111131][ T530] ? __fdget_pos+0x26d/0x310
[ 52.115967][ T530] ? ksys_write+0x77/0x2c0
[ 52.120364][ T530] ksys_write+0x198/0x2c0
[ 52.124682][ T530] ? __ia32_sys_read+0x90/0x90
[ 52.129429][ T530] ? debug_smp_processor_id+0x17/0x20
[ 52.134785][ T530] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 52.140847][ T530] __x64_sys_write+0x7b/0x90
[ 52.145421][ T530] do_syscall_64+0x2f/0x50
[ 52.149833][ T530] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 52.155724][ T530] RIP: 0033:0x7f2a75dbc249
[ 52.160128][ T530] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.179900][ T530] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 52.188305][ T530] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 52.196262][ T530] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 52.204344][ T530] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 52.212309][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 52.220267][ T530] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 52.228240][ T530]
[ 52.233574][ T433] ------------[ cut here ]------------
[ 52.239135][ T433] WARNING: CPU: 0 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 52.248267][ T433] Modules linked in:
[ 52.252171][ T433] CPU: 0 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 52.262781][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.272845][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 52.278493][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 52.298113][ T433] RSP: 0018:ffffc9000164fba0 EFLAGS: 00010293
[ 52.304193][ T433] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d2790c0
[ 52.312284][ T433] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 52.320253][ T433] RBP: ffffc9000164fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 52.328234][ T433] R10: fffff520002c9f65 R11: 1ffff920002c9f64 R12: dffffc0000000000
[ 52.336215][ T433] R13: ffff8881221afb00 R14: ffffc9000164fc00 R15: 1ffff920002c9f7c
[ 52.344294][ T433] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 52.353316][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.359885][ T433] CR2: 0000555556619738 CR3: 0000000121060000 CR4: 00000000003506b0
[ 52.367866][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.375845][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.383830][ T433] Call Trace:
[ 52.387105][ T433]
[ 52.390022][ T433] ? __kasan_check_write+0x14/0x20
[ 52.395149][ T433] ? up_write+0xa1/0x190
[ 52.399380][ T433] ? vfs_submount+0xb0/0xb0
[ 52.403907][ T433] ? change_mnt_propagation+0x8de/0xbc0
[ 52.409463][ T433] namespace_unlock+0x448/0x4f0
[ 52.414416][ T433] ? umount_tree+0xf40/0xf40
[ 52.419000][ T433] ? __detach_mounts+0x670/0x670
[ 52.423949][ T433] ? selinux_umount+0xf3/0x130
[ 52.428897][ T433] ? security_sb_umount+0x9d/0xb0
[ 52.433932][ T433] path_umount+0xe89/0xf40
[ 52.438431][ T433] ? __kasan_slab_free+0x11/0x20
[ 52.443479][ T433] ? user_path_at_empty+0x152/0x1b0
[ 52.448688][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 52.453928][ T433] ? user_path_at_empty+0x152/0x1b0
[ 52.459127][ T433] __x64_sys_umount+0x122/0x170
[ 52.463997][ T433] ? path_umount+0xf40/0xf40
[ 52.468689][ T433] ? debug_smp_processor_id+0x17/0x20
[ 52.474079][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 52.479705][ T433] do_syscall_64+0x2f/0x50
[ 52.484151][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 52.490040][ T433] RIP: 0033:0x7f2a75dbd657
[ 52.494469][ T433] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.514087][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 52.522513][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 52.530482][ T433] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 52.538654][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 52.546717][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 52.554697][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 52.562676][ T433]
[ 52.565783][ T433] ---[ end trace 0000000000000000 ]---
[ 52.571456][ T433] ------------[ cut here ]------------
[ 52.576908][ T433] WARNING: CPU: 0 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 52.585862][ T433] Modules linked in:
[ 52.589743][ T433] CPU: 0 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 52.600346][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.610772][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 52.616408][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 52.636034][ T433] RSP: 0018:ffffc9000164fca0 EFLAGS: 00010293
[ 52.642107][ T433] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d2790c0
[ 52.650103][ T433] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 52.658082][ T433] RBP: ffffc9000164fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 52.666062][ T433] R10: fffff520002c9f85 R11: 1ffff920002c9f84 R12: dffffc0000000000
[ 52.674046][ T433] R13: ffff8881221afb00 R14: ffffc9000164fd00 R15: 1ffff920002c9f9c
[ 52.682029][ T433] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 52.690969][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.697542][ T433] CR2: 0000555556619738 CR3: 0000000121060000 CR4: 00000000003506b0
[ 52.705530][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.713517][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.721494][ T433] Call Trace:
[ 52.724762][ T433]
[ 52.727682][ T433] ? lockref_get_or_lock+0x340/0x340
[ 52.732984][ T433] ? umount_tree+0xf40/0xf40
[ 52.737565][ T433] ? vfs_submount+0xb0/0xb0
[ 52.742077][ T433] ? dput+0x2b6/0x320
[ 52.746051][ T433] path_umount+0x1e0/0xf40
[ 52.750449][ T433] ? __kasan_slab_free+0x11/0x20
[ 52.755383][ T433] ? user_path_at_empty+0x152/0x1b0
[ 52.760567][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 52.765600][ T433] ? user_path_at_empty+0x152/0x1b0
[ 52.770798][ T433] __x64_sys_umount+0x122/0x170
[ 52.775632][ T433] ? path_umount+0xf40/0xf40
[ 52.780212][ T433] ? debug_smp_processor_id+0x17/0x20
[ 52.785584][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 52.791235][ T433] do_syscall_64+0x2f/0x50
[ 52.795637][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 52.801538][ T433] RIP: 0033:0x7f2a75dbd657
[ 52.805959][ T433] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 52.825562][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 52.833972][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 52.841938][ T433] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 52.849993][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 52.857970][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 52.865934][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 52.873914][ T433]
[ 52.876914][ T433] ---[ end trace 0000000000000000 ]---
[ 52.892272][ T535] FAULT_INJECTION: forcing a failure.
[ 52.892272][ T535] name failslab, interval 1, probability 0, space 0, times 0
[ 52.905090][ T535] CPU: 0 PID: 535 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 52.915697][ T535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.925752][ T535] Call Trace:
[ 52.929022][ T535]
[ 52.931933][ T535] dump_stack_lvl+0x151/0x1b7
[ 52.936594][ T535] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 52.942295][ T535] ? pcpu_alloc+0xe83/0x1420
[ 52.946873][ T535] dump_stack+0x15/0x17
[ 52.951013][ T535] should_fail+0x3c0/0x510
[ 52.955422][ T535] ? percpu_ref_init+0xc9/0x350
[ 52.960286][ T535] __should_failslab+0x9f/0xe0
[ 52.965024][ T535] should_failslab+0x9/0x20
[ 52.969674][ T535] kmem_cache_alloc_trace+0x4a/0x320
[ 52.974994][ T535] ? cgroup_setup_root+0xec0/0xec0
[ 52.980169][ T535] percpu_ref_init+0xc9/0x350
[ 52.984822][ T535] ? cgroup_setup_root+0xec0/0xec0
[ 52.989911][ T535] cgroup_apply_control_enable+0x383/0x10c0
[ 52.995780][ T535] cgroup_apply_control+0x93/0x710
[ 53.000884][ T535] ? css_next_child+0x160/0x160
[ 53.005718][ T535] ? wake_bit_function+0x230/0x230
[ 53.010811][ T535] ? kernfs_fop_write_iter+0x15b/0x410
[ 53.016242][ T535] ? __kasan_check_write+0x14/0x20
[ 53.021343][ T535] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 53.026625][ T535] cgroup_subtree_control_write+0xdde/0x1340
[ 53.032580][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 53.038540][ T535] ? __kasan_check_write+0x14/0x20
[ 53.043625][ T535] ? _copy_from_iter+0x360/0xed0
[ 53.048557][ T535] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 53.054523][ T535] cgroup_file_write+0x28e/0x590
[ 53.059548][ T535] ? cgroup_seqfile_stop+0xc0/0xc0
[ 53.064646][ T535] ? bit_wait_io_timeout+0x110/0x110
[ 53.069910][ T535] ? __kasan_check_write+0x14/0x20
[ 53.075172][ T535] kernfs_fop_write_iter+0x2cd/0x410
[ 53.080431][ T535] ? cgroup_seqfile_stop+0xc0/0xc0
[ 53.085606][ T535] vfs_write+0xbb4/0xf30
[ 53.089842][ T535] ? file_end_write+0x1b0/0x1b0
[ 53.094935][ T535] ? mutex_lock+0xb6/0x130
[ 53.099333][ T535] ? bit_wait_io_timeout+0x110/0x110
[ 53.104612][ T535] ? __fdget_pos+0x26d/0x310
[ 53.109186][ T535] ? ksys_write+0x77/0x2c0
[ 53.113600][ T535] ksys_write+0x198/0x2c0
[ 53.117920][ T535] ? __ia32_sys_read+0x90/0x90
[ 53.122745][ T535] ? debug_smp_processor_id+0x17/0x20
[ 53.128110][ T535] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 53.134161][ T535] __x64_sys_write+0x7b/0x90
[ 53.138733][ T535] do_syscall_64+0x2f/0x50
[ 53.143132][ T535] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 53.149008][ T535] RIP: 0033:0x7f2a75dbc249
[ 53.153413][ T535] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 53.173086][ T535] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 53.181496][ T535] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 53.189448][ T535] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 53.197399][ T535] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 53.205350][ T535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 53.213326][ T535] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 53.221319][ T535]
[ 53.228865][ T430] ------------[ cut here ]------------
[ 53.234427][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 53.243426][ T430] Modules linked in:
[ 53.247332][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 53.258238][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.268435][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 53.274377][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 53.294101][ T430] RSP: 0018:ffffc9000161fba0 EFLAGS: 00010293
[ 53.300281][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 53.308285][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 53.316292][ T430] RBP: ffffc9000161fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 53.324278][ T430] R10: fffff520002c3f65 R11: 1ffff920002c3f64 R12: dffffc0000000000
[ 53.332275][ T430] R13: ffff8881221ae600 R14: ffffc9000161fc00 R15: 1ffff920002c3f7c
[ 53.340352][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 53.349562][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 53.356161][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 53.364265][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.372256][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.380309][ T430] Call Trace:
[ 53.383591][ T430]
[ 53.386510][ T430] ? __kasan_check_write+0x14/0x20
[ 53.391655][ T430] ? up_write+0xa1/0x190
[ 53.395892][ T430] ? vfs_submount+0xb0/0xb0
[ 53.400386][ T430] ? change_mnt_propagation+0x8de/0xbc0
[ 53.406130][ T430] namespace_unlock+0x448/0x4f0
[ 53.411397][ T430] ? umount_tree+0xf40/0xf40
[ 53.415992][ T430] ? __detach_mounts+0x670/0x670
[ 53.420950][ T430] ? selinux_umount+0xf3/0x130
[ 53.425706][ T430] ? security_sb_umount+0x9d/0xb0
[ 53.430724][ T430] path_umount+0xe89/0xf40
[ 53.435173][ T430] ? __kasan_slab_free+0x11/0x20
[ 53.440106][ T430] ? user_path_at_empty+0x152/0x1b0
[ 53.445585][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 53.450604][ T430] ? user_path_at_empty+0x152/0x1b0
[ 53.455902][ T430] __x64_sys_umount+0x122/0x170
[ 53.460776][ T430] ? path_umount+0xf40/0xf40
[ 53.465451][ T430] ? debug_smp_processor_id+0x17/0x20
[ 53.470844][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 53.476480][ T430] do_syscall_64+0x2f/0x50
[ 53.480919][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 53.486817][ T430] RIP: 0033:0x7f2a75dbd657
[ 53.491453][ 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
[ 53.511162][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 53.519562][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 53.527543][ T430] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 53.535525][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 53.543519][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 53.551785][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 53.559847][ T430]
[ 53.562878][ T430] ---[ end trace 0000000000000000 ]---
[ 53.568395][ T430] ------------[ cut here ]------------
[ 53.573960][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 53.582983][ T430] Modules linked in:
[ 53.586862][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 53.597448][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.607508][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 53.613161][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 53.632775][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 53.638835][ T430] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd14300
[ 53.646998][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 53.655061][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 53.663135][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 53.671112][ T430] R13: ffff8881221ae600 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 53.679068][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 53.688095][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.694694][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 53.702703][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.710665][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.718731][ T430] Call Trace:
[ 53.722017][ T430]
[ 53.724934][ T430] ? lockref_get_or_lock+0x340/0x340
[ 53.730301][ T430] ? umount_tree+0xf40/0xf40
[ 53.734915][ T430] ? vfs_submount+0xb0/0xb0
[ 53.739409][ T430] ? dput+0x2b6/0x320
[ 53.743583][ T430] path_umount+0x1e0/0xf40
[ 53.747985][ T430] ? __kasan_slab_free+0x11/0x20
[ 53.753008][ T430] ? user_path_at_empty+0x152/0x1b0
[ 53.758205][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 53.763251][ T430] ? user_path_at_empty+0x152/0x1b0
[ 53.768616][ T430] __x64_sys_umount+0x122/0x170
[ 53.773474][ T430] ? path_umount+0xf40/0xf40
[ 53.778048][ T430] ? debug_smp_processor_id+0x17/0x20
[ 53.783506][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 53.789216][ T430] do_syscall_64+0x2f/0x50
[ 53.793636][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 53.799602][ T430] RIP: 0033:0x7f2a75dbd657
[ 53.804017][ 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
[ 53.823722][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 53.832226][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 53.840273][ T430] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 53.848427][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 53.856481][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 53.864550][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 53.872525][ T430]
[ 53.875615][ T430] ---[ end trace 0000000000000000 ]---
[ 53.881550][ T525] FAULT_INJECTION: forcing a failure.
[ 53.881550][ T525] name failslab, interval 1, probability 0, space 0, times 0
[ 53.894835][ T525] CPU: 0 PID: 525 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 53.905518][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.915848][ T525] Call Trace:
[ 53.919120][ T525]
[ 53.922045][ T525] dump_stack_lvl+0x151/0x1b7
[ 53.926711][ T525] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 53.932157][ T525] dump_stack+0x15/0x17
[ 53.936300][ T525] should_fail+0x3c0/0x510
[ 53.941084][ T525] ? pids_css_alloc+0x4e/0x120
[ 53.945830][ T525] __should_failslab+0x9f/0xe0
[ 53.950677][ T525] should_failslab+0x9/0x20
[ 53.955254][ T525] kmem_cache_alloc_trace+0x4a/0x320
[ 53.960523][ T525] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 53.965707][ T525] pids_css_alloc+0x4e/0x120
[ 53.970540][ T525] cgroup_apply_control_enable+0x335/0x10c0
[ 53.976418][ T525] cgroup_apply_control+0x93/0x710
[ 53.981618][ T525] ? css_next_child+0x160/0x160
[ 53.986664][ T525] ? wake_bit_function+0x230/0x230
[ 53.991760][ T525] ? __x64_sys_write+0x7b/0x90
[ 53.996688][ T525] ? __kasan_check_write+0x14/0x20
[ 54.001869][ T525] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 54.007154][ T525] cgroup_subtree_control_write+0xdde/0x1340
[ 54.013126][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.019184][ T525] ? __kasan_check_write+0x14/0x20
[ 54.024316][ T525] ? _copy_from_iter+0x360/0xed0
[ 54.029239][ T525] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.035302][ T525] cgroup_file_write+0x28e/0x590
[ 54.040321][ T525] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.045680][ T525] ? bit_wait_io_timeout+0x110/0x110
[ 54.051074][ T525] ? __kasan_check_write+0x14/0x20
[ 54.056168][ T525] kernfs_fop_write_iter+0x2cd/0x410
[ 54.061437][ T525] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.066532][ T525] vfs_write+0xbb4/0xf30
[ 54.071017][ T525] ? file_end_write+0x1b0/0x1b0
[ 54.075862][ T525] ? mutex_lock+0xec/0x130
[ 54.080719][ T525] ? bit_wait_io_timeout+0x110/0x110
[ 54.086571][ T525] ? __fdget_pos+0x26d/0x310
[ 54.091171][ T525] ? ksys_write+0x77/0x2c0
[ 54.095882][ T525] ksys_write+0x198/0x2c0
[ 54.100208][ T525] ? __ia32_sys_read+0x90/0x90
[ 54.105330][ T525] ? debug_smp_processor_id+0x17/0x20
[ 54.110715][ T525] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 54.116875][ T525] __x64_sys_write+0x7b/0x90
[ 54.121452][ T525] do_syscall_64+0x2f/0x50
[ 54.125851][ T525] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 54.131739][ T525] RIP: 0033:0x7f2a75dbc249
[ 54.136315][ T525] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 54.156182][ T525] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 54.164674][ T525] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 54.172917][ T525] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 54.180964][ T525] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 54.189053][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 54.197004][ T525] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 54.205063][ T525]
[ 54.241340][ T543] FAULT_INJECTION: forcing a failure.
[ 54.241340][ T543] name failslab, interval 1, probability 0, space 0, times 0
[ 54.254228][ T543] CPU: 0 PID: 543 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 54.264883][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.276692][ T543] Call Trace:
[ 54.280455][ T543]
[ 54.283380][ T543] dump_stack_lvl+0x151/0x1b7
[ 54.288051][ T543] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 54.293498][ T543] ? pcpu_alloc+0xe83/0x1420
[ 54.298353][ T543] dump_stack+0x15/0x17
[ 54.302593][ T543] should_fail+0x3c0/0x510
[ 54.307727][ T543] ? percpu_ref_init+0xc9/0x350
[ 54.312569][ T543] __should_failslab+0x9f/0xe0
[ 54.317361][ T543] should_failslab+0x9/0x20
[ 54.321959][ T543] kmem_cache_alloc_trace+0x4a/0x320
[ 54.327422][ T543] ? cgroup_setup_root+0xec0/0xec0
[ 54.332630][ T543] percpu_ref_init+0xc9/0x350
[ 54.337483][ T543] ? cgroup_setup_root+0xec0/0xec0
[ 54.343399][ T543] cgroup_apply_control_enable+0x383/0x10c0
[ 54.349509][ T543] cgroup_apply_control+0x93/0x710
[ 54.354714][ T543] ? css_next_child+0x160/0x160
[ 54.359644][ T543] ? wake_bit_function+0x230/0x230
[ 54.365713][ T543] ? kernfs_fop_write_iter+0x15b/0x410
[ 54.371171][ T543] ? __kasan_check_write+0x14/0x20
[ 54.376427][ T543] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 54.381710][ T543] cgroup_subtree_control_write+0xdde/0x1340
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 54.387859][ T543] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.393918][ T543] ? __kasan_check_write+0x14/0x20
[ 54.399025][ T543] ? _copy_from_iter+0x360/0xed0
[ 54.404331][ T543] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.410308][ T543] cgroup_file_write+0x28e/0x590
[ 54.415244][ T543] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.420639][ T543] ? bit_wait_io_timeout+0x110/0x110
[ 54.425956][ T543] ? __kasan_check_write+0x14/0x20
[ 54.431067][ T543] kernfs_fop_write_iter+0x2cd/0x410
[ 54.436518][ T543] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.443551][ T543] vfs_write+0xbb4/0xf30
[ 54.447964][ T543] ? file_end_write+0x1b0/0x1b0
[ 54.453144][ T543] ? mutex_lock+0xec/0x130
[ 54.457545][ T543] ? bit_wait_io_timeout+0x110/0x110
[ 54.462812][ T543] ? __fdget_pos+0x26d/0x310
[ 54.467473][ T543] ? ksys_write+0x77/0x2c0
[ 54.472223][ T543] ksys_write+0x198/0x2c0
[ 54.476724][ T543] ? __ia32_sys_read+0x90/0x90
[ 54.481650][ T543] ? debug_smp_processor_id+0x17/0x20
[ 54.487105][ T543] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 54.493305][ T543] __x64_sys_write+0x7b/0x90
[ 54.497926][ T543] do_syscall_64+0x2f/0x50
[ 54.502459][ T543] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 54.508372][ T543] RIP: 0033:0x7f2a75dbc249
[ 54.512796][ T543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 54.532995][ T543] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 54.541464][ T543] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 54.549463][ T543] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 54.557618][ T543] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 54.565750][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 54.573792][ T543] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 54.581762][ T543]
[ 54.631182][ T517] FAULT_INJECTION: forcing a failure.
[ 54.631182][ T517] name failslab, interval 1, probability 0, space 0, times 0
[ 54.644311][ T517] CPU: 1 PID: 517 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 54.654990][ T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.665119][ T517] Call Trace:
[ 54.668480][ T517]
[ 54.671406][ T517] dump_stack_lvl+0x151/0x1b7
[ 54.676091][ T517] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 54.681554][ T517] ? selinux_kernfs_init_security+0x1a8/0x760
[ 54.687856][ T517] dump_stack+0x15/0x17
[ 54.691993][ T517] should_fail+0x3c0/0x510
[ 54.696495][ T517] ? __kernfs_new_node+0x99/0x6e0
[ 54.701619][ T517] __should_failslab+0x9f/0xe0
[ 54.706381][ T517] should_failslab+0x9/0x20
[ 54.710903][ T517] __kmalloc_track_caller+0x6c/0x340
[ 54.716182][ T517] kstrdup_const+0x55/0x90
[ 54.720593][ T517] __kernfs_new_node+0x99/0x6e0
[ 54.725752][ T517] ? stack_trace_save+0x1f0/0x1f0
[ 54.731250][ T517] ? kernfs_new_node+0x170/0x170
[ 54.736177][ T517] ? ptr_to_hashval+0x60/0x60
[ 54.740880][ T517] ? arch_stack_walk+0xf8/0x140
[ 54.745897][ T517] ? snprintf+0xd6/0x120
[ 54.750125][ T517] kernfs_new_node+0x97/0x170
[ 54.754881][ T517] __kernfs_create_file+0x4a/0x270
[ 54.760086][ T517] cgroup_addrm_files+0xab8/0xfe0
[ 54.765100][ T517] ? ____kasan_kmalloc+0xdc/0x110
[ 54.770207][ T517] ? __kasan_kmalloc+0x9/0x10
[ 54.774871][ T517] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 54.780416][ T517] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 54.786556][ T517] ? delete_node+0x759/0x7b0
[ 54.791143][ T517] ? __kasan_check_read+0x11/0x20
[ 54.796153][ T517] ? delete_node+0x759/0x7b0
[ 54.800722][ T517] ? __kasan_check_write+0x14/0x20
[ 54.805830][ T517] ? idr_replace+0x1c4/0x230
[ 54.810433][ T517] ? idr_get_next+0x4b0/0x4b0
[ 54.815095][ T517] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 54.820122][ T517] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 54.825314][ T517] css_populate_dir+0x137/0x370
[ 54.830167][ T517] cgroup_apply_control_enable+0x889/0x10c0
[ 54.836069][ T517] cgroup_apply_control+0x93/0x710
[ 54.841176][ T517] ? css_next_child+0x160/0x160
[ 54.846010][ T517] ? wake_bit_function+0x230/0x230
[ 54.851103][ T517] ? kernfs_fop_write_iter+0x15b/0x410
[ 54.856668][ T517] ? __kasan_check_write+0x14/0x20
[ 54.861761][ T517] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 54.867492][ T517] cgroup_subtree_control_write+0xdde/0x1340
[ 54.873481][ T517] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.879451][ T517] ? __kasan_check_write+0x14/0x20
[ 54.884556][ T517] ? _copy_from_iter+0x360/0xed0
[ 54.889491][ T517] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 54.895464][ T517] cgroup_file_write+0x28e/0x590
[ 54.900394][ T517] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.905487][ T517] ? bit_wait_io_timeout+0x110/0x110
[ 54.910761][ T517] ? __kasan_check_write+0x14/0x20
[ 54.915881][ T517] kernfs_fop_write_iter+0x2cd/0x410
[ 54.921164][ T517] ? cgroup_seqfile_stop+0xc0/0xc0
[ 54.926356][ T517] vfs_write+0xbb4/0xf30
[ 54.930589][ T517] ? file_end_write+0x1b0/0x1b0
[ 54.935421][ T517] ? mutex_lock+0xec/0x130
[ 54.939829][ T517] ? bit_wait_io_timeout+0x110/0x110
[ 54.945225][ T517] ? __fdget_pos+0x26d/0x310
[ 54.950026][ T517] ? ksys_write+0x77/0x2c0
[ 54.954458][ T517] ksys_write+0x198/0x2c0
[ 54.958780][ T517] ? __ia32_sys_read+0x90/0x90
[ 54.963542][ T517] ? debug_smp_processor_id+0x17/0x20
[ 54.968903][ T517] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 54.974948][ T517] __x64_sys_write+0x7b/0x90
[ 54.979546][ T517] do_syscall_64+0x2f/0x50
[ 54.983941][ T517] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 54.989998][ T517] RIP: 0033:0x7f2a75dbc249
[ 54.994400][ T517] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 55.014008][ T517] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 55.022686][ T517] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 55.030729][ T517] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 55.038782][ T517] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 55.046847][ T517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 55.054821][ T517] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 55.062781][ T517]
[ 55.066007][ T517] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 55.111326][ T551] FAULT_INJECTION: forcing a failure.
[ 55.111326][ T551] name failslab, interval 1, probability 0, space 0, times 0
[ 55.124063][ T551] CPU: 0 PID: 551 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 55.134648][ T551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.144684][ T551] Call Trace:
[ 55.147945][ T551]
[ 55.150876][ T551] dump_stack_lvl+0x151/0x1b7
[ 55.155544][ T551] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 55.160989][ T551] ? selinux_kernfs_init_security+0x1a8/0x760
[ 55.167047][ T551] dump_stack+0x15/0x17
[ 55.171185][ T551] should_fail+0x3c0/0x510
[ 55.175931][ T551] ? __kernfs_new_node+0x99/0x6e0
[ 55.180938][ T551] __should_failslab+0x9f/0xe0
[ 55.185682][ T551] should_failslab+0x9/0x20
[ 55.190433][ T551] __kmalloc_track_caller+0x6c/0x340
[ 55.195699][ T551] kstrdup_const+0x55/0x90
[ 55.200097][ T551] __kernfs_new_node+0x99/0x6e0
[ 55.205284][ T551] ? stack_trace_save+0x1f0/0x1f0
[ 55.210301][ T551] ? kernfs_new_node+0x170/0x170
[ 55.215224][ T551] ? ptr_to_hashval+0x60/0x60
[ 55.219898][ T551] ? arch_stack_walk+0xf8/0x140
[ 55.224757][ T551] ? snprintf+0xd6/0x120
[ 55.229067][ T551] kernfs_new_node+0x97/0x170
[ 55.233731][ T551] __kernfs_create_file+0x4a/0x270
[ 55.238823][ T551] cgroup_addrm_files+0xab8/0xfe0
[ 55.243833][ T551] ? ____kasan_kmalloc+0xdc/0x110
[ 55.248839][ T551] ? __kasan_kmalloc+0x9/0x10
[ 55.253499][ T551] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 55.259030][ T551] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 55.265176][ T551] ? delete_node+0x759/0x7b0
[ 55.269773][ T551] ? __kasan_check_read+0x11/0x20
[ 55.274809][ T551] ? delete_node+0x759/0x7b0
[ 55.279470][ T551] ? __kasan_check_write+0x14/0x20
[ 55.284579][ T551] ? idr_replace+0x1c4/0x230
[ 55.289275][ T551] ? idr_get_next+0x4b0/0x4b0
[ 55.293932][ T551] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 55.298938][ T551] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 55.304118][ T551] css_populate_dir+0x137/0x370
[ 55.308953][ T551] cgroup_apply_control_enable+0x889/0x10c0
[ 55.314835][ T551] cgroup_apply_control+0x93/0x710
[ 55.319926][ T551] ? css_next_child+0x160/0x160
[ 55.324761][ T551] ? wake_bit_function+0x230/0x230
[ 55.330069][ T551] ? kernfs_fop_write_iter+0x15b/0x410
[ 55.335600][ T551] ? __kasan_check_write+0x14/0x20
[ 55.340698][ T551] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 55.345974][ T551] cgroup_subtree_control_write+0xdde/0x1340
[ 55.351943][ T551] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 55.357913][ T551] ? __kasan_check_write+0x14/0x20
[ 55.363094][ T551] ? _copy_from_iter+0x360/0xed0
[ 55.368015][ T551] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 55.373979][ T551] cgroup_file_write+0x28e/0x590
[ 55.378902][ T551] ? cgroup_seqfile_stop+0xc0/0xc0
[ 55.384008][ T551] ? bit_wait_io_timeout+0x110/0x110
[ 55.389279][ T551] ? __kasan_check_write+0x14/0x20
[ 55.394579][ T551] kernfs_fop_write_iter+0x2cd/0x410
[ 55.399882][ T551] ? cgroup_seqfile_stop+0xc0/0xc0
[ 55.405180][ T551] vfs_write+0xbb4/0xf30
[ 55.409412][ T551] ? file_end_write+0x1b0/0x1b0
[ 55.414270][ T551] ? mutex_lock+0xb6/0x130
[ 55.418678][ T551] ? bit_wait_io_timeout+0x110/0x110
[ 55.424033][ T551] ? __fdget_pos+0x26d/0x310
[ 55.428712][ T551] ? ksys_write+0x77/0x2c0
[ 55.433121][ T551] ksys_write+0x198/0x2c0
[ 55.437434][ T551] ? save_fpregs_to_fpstate+0x210/0x210
[ 55.442964][ T551] ? __ia32_sys_read+0x90/0x90
[ 55.447988][ T551] ? debug_smp_processor_id+0x17/0x20
[ 55.453542][ T551] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 55.459593][ T551] __x64_sys_write+0x7b/0x90
[ 55.464165][ T551] do_syscall_64+0x2f/0x50
[ 55.468779][ T551] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 55.474679][ T551] RIP: 0033:0x7f2a75dbc249
[ 55.479095][ T551] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 55.498696][ T551] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 55.507100][ T551] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 55.515148][ T551] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 55.523171][ T551] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 55.531138][ T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 55.539109][ T551] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 55.547103][ T551]
[ 55.550425][ T551] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 55.591379][ T559] FAULT_INJECTION: forcing a failure.
[ 55.591379][ T559] name failslab, interval 1, probability 0, space 0, times 0
[ 55.604360][ T559] CPU: 0 PID: 559 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 55.614936][ T559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.624983][ T559] Call Trace:
[ 55.628241][ T559]
[ 55.631155][ T559] dump_stack_lvl+0x151/0x1b7
[ 55.635814][ T559] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 55.641275][ T559] ? pcpu_alloc+0xe83/0x1420
[ 55.645862][ T559] dump_stack+0x15/0x17
[ 55.650001][ T559] should_fail+0x3c0/0x510
[ 55.654423][ T559] ? percpu_ref_init+0xc9/0x350
[ 55.659268][ T559] __should_failslab+0x9f/0xe0
[ 55.664011][ T559] should_failslab+0x9/0x20
[ 55.668566][ T559] kmem_cache_alloc_trace+0x4a/0x320
[ 55.673847][ T559] ? cgroup_setup_root+0xec0/0xec0
[ 55.678963][ T559] percpu_ref_init+0xc9/0x350
[ 55.683630][ T559] ? cgroup_setup_root+0xec0/0xec0
[ 55.688739][ T559] cgroup_apply_control_enable+0x383/0x10c0
[ 55.694623][ T559] cgroup_apply_control+0x93/0x710
[ 55.699733][ T559] ? css_next_child+0x160/0x160
[ 55.704586][ T559] ? wake_bit_function+0x230/0x230
[ 55.709776][ T559] ? kernfs_fop_write_iter+0x15b/0x410
[ 55.715212][ T559] ? __kasan_check_write+0x14/0x20
[ 55.720395][ T559] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 55.725671][ T559] cgroup_subtree_control_write+0xdde/0x1340
[ 55.731637][ T559] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 55.737599][ T559] ? __kasan_check_write+0x14/0x20
[ 55.742759][ T559] ? _copy_from_iter+0x360/0xed0
[ 55.747807][ T559] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 55.753795][ T559] cgroup_file_write+0x28e/0x590
[ 55.758716][ T559] ? cgroup_seqfile_stop+0xc0/0xc0
[ 55.763811][ T559] ? bit_wait_io_timeout+0x110/0x110
[ 55.769214][ T559] ? __kasan_check_write+0x14/0x20
[ 55.774321][ T559] kernfs_fop_write_iter+0x2cd/0x410
[ 55.779589][ T559] ? cgroup_seqfile_stop+0xc0/0xc0
[ 55.784689][ T559] vfs_write+0xbb4/0xf30
[ 55.788925][ T559] ? file_end_write+0x1b0/0x1b0
[ 55.793825][ T559] ? mutex_lock+0xb6/0x130
[ 55.798226][ T559] ? bit_wait_io_timeout+0x110/0x110
[ 55.803577][ T559] ? __fdget_pos+0x26d/0x310
[ 55.808229][ T559] ? ksys_write+0x77/0x2c0
[ 55.812622][ T559] ksys_write+0x198/0x2c0
[ 55.816930][ T559] ? __ia32_sys_read+0x90/0x90
[ 55.821681][ T559] ? debug_smp_processor_id+0x17/0x20
[ 55.827027][ T559] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 55.833075][ T559] __x64_sys_write+0x7b/0x90
[ 55.837733][ T559] do_syscall_64+0x2f/0x50
[ 55.842128][ T559] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 55.848005][ T559] RIP: 0033:0x7f2a75dbc249
[ 55.852486][ T559] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 55.872172][ T559] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 55.880558][ T559] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 55.888525][ T559] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 55.896568][ T559] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 55.904529][ T559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 55.912496][ T559] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 55.920669][ T559]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 55.924564][ T25] audit: type=1400 audit(1649783916.260:156): avc: denied { unlink } for pid=148 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 55.961257][ T552] FAULT_INJECTION: forcing a failure.
[ 55.961257][ T552] name failslab, interval 1, probability 0, space 0, times 0
[ 55.974055][ T552] CPU: 1 PID: 552 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 55.984656][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.994691][ T552] Call Trace:
[ 55.997947][ T552]
[ 56.000856][ T552] dump_stack_lvl+0x151/0x1b7
[ 56.005615][ T552] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 56.011056][ T552] ? selinux_kernfs_init_security+0x1a8/0x760
[ 56.017117][ T552] dump_stack+0x15/0x17
[ 56.021249][ T552] should_fail+0x3c0/0x510
[ 56.025648][ T552] __should_failslab+0x9f/0xe0
[ 56.030389][ T552] should_failslab+0x9/0x20
[ 56.034877][ T552] kmem_cache_alloc+0x4f/0x300
[ 56.039625][ T552] ? __kernfs_new_node+0xdb/0x6e0
[ 56.044627][ T552] __kernfs_new_node+0xdb/0x6e0
[ 56.049560][ T552] ? stack_trace_save+0x1f0/0x1f0
[ 56.054573][ T552] ? kernfs_new_node+0x170/0x170
[ 56.059579][ T552] ? ptr_to_hashval+0x60/0x60
[ 56.064232][ T552] ? up_read+0x1b0/0x1b0
[ 56.068463][ T552] ? snprintf+0xd6/0x120
[ 56.072680][ T552] kernfs_new_node+0x97/0x170
[ 56.077338][ T552] __kernfs_create_file+0x4a/0x270
[ 56.082443][ T552] cgroup_addrm_files+0xab8/0xfe0
[ 56.087453][ T552] ? ____kasan_kmalloc+0xdc/0x110
[ 56.092453][ T552] ? __kasan_kmalloc+0x9/0x10
[ 56.097189][ T552] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 56.102712][ T552] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 56.108849][ T552] ? delete_node+0x759/0x7b0
[ 56.113435][ T552] ? __kasan_check_read+0x11/0x20
[ 56.118466][ T552] ? idr_replace+0x1c4/0x230
[ 56.123136][ T552] ? idr_get_next+0x4b0/0x4b0
[ 56.127804][ T552] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 56.132814][ T552] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 56.138178][ T552] css_populate_dir+0x137/0x370
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 56.143013][ T552] cgroup_apply_control_enable+0x889/0x10c0
[ 56.148982][ T552] cgroup_apply_control+0x93/0x710
[ 56.154080][ T552] ? css_next_child+0x160/0x160
[ 56.159001][ T552] ? wake_bit_function+0x230/0x230
[ 56.164206][ T552] ? kernfs_fop_write_iter+0x15b/0x410
[ 56.169654][ T552] ? __kasan_check_write+0x14/0x20
[ 56.174760][ T552] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 56.180034][ T552] cgroup_subtree_control_write+0xdde/0x1340
[ 56.185997][ T552] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.191953][ T552] ? __kasan_check_write+0x14/0x20
[ 56.197051][ T552] ? _copy_from_iter+0x360/0xed0
[ 56.202044][ T552] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.208313][ T552] cgroup_file_write+0x28e/0x590
[ 56.213239][ T552] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.218428][ T552] ? bit_wait_io_timeout+0x110/0x110
[ 56.223784][ T552] ? __kasan_check_write+0x14/0x20
[ 56.228885][ T552] kernfs_fop_write_iter+0x2cd/0x410
[ 56.234168][ T552] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.239271][ T552] vfs_write+0xbb4/0xf30
[ 56.243490][ T552] ? file_end_write+0x1b0/0x1b0
[ 56.248316][ T552] ? mutex_lock+0xec/0x130
[ 56.252816][ T552] ? bit_wait_io_timeout+0x110/0x110
[ 56.258075][ T552] ? __fdget_pos+0x26d/0x310
[ 56.262654][ T552] ? ksys_write+0x77/0x2c0
[ 56.267053][ T552] ksys_write+0x198/0x2c0
[ 56.271359][ T552] ? __ia32_sys_read+0x90/0x90
[ 56.276193][ T552] ? debug_smp_processor_id+0x17/0x20
[ 56.281544][ T552] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 56.287608][ T552] __x64_sys_write+0x7b/0x90
[ 56.292189][ T552] do_syscall_64+0x2f/0x50
[ 56.296601][ T552] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.302471][ T552] RIP: 0033:0x7f2a75dbc249
[ 56.306873][ T552] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.326460][ T552] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 56.334871][ T552] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 56.342890][ T552] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 56.350851][ T552] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 56.358903][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 56.367065][ T552] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 56.375026][ T552]
[ 56.380123][ T552] cgroup: cgroup_addrm_files: failed to add events, err=-12
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 56.431240][ T562] FAULT_INJECTION: forcing a failure.
[ 56.431240][ T562] name failslab, interval 1, probability 0, space 0, times 0
[ 56.444153][ T562] CPU: 0 PID: 562 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 56.456665][ T562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.466798][ T562] Call Trace:
[ 56.470066][ T562]
[ 56.472990][ T562] dump_stack_lvl+0x151/0x1b7
[ 56.477675][ T562] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 56.483127][ T562] dump_stack+0x15/0x17
[ 56.487274][ T562] should_fail+0x3c0/0x510
[ 56.491759][ T562] ? pids_css_alloc+0x4e/0x120
[ 56.496506][ T562] __should_failslab+0x9f/0xe0
[ 56.501250][ T562] should_failslab+0x9/0x20
[ 56.505737][ T562] kmem_cache_alloc_trace+0x4a/0x320
[ 56.511004][ T562] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 56.516205][ T562] pids_css_alloc+0x4e/0x120
[ 56.520782][ T562] cgroup_apply_control_enable+0x335/0x10c0
[ 56.526673][ T562] cgroup_apply_control+0x93/0x710
[ 56.531764][ T562] ? css_next_child+0x160/0x160
[ 56.536601][ T562] ? wake_bit_function+0x230/0x230
[ 56.541717][ T562] ? kernfs_fop_write_iter+0x15b/0x410
[ 56.547167][ T562] ? __kasan_check_write+0x14/0x20
[ 56.552374][ T562] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 56.557745][ T562] cgroup_subtree_control_write+0xdde/0x1340
[ 56.563721][ T562] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.569782][ T562] ? __kasan_check_write+0x14/0x20
[ 56.574881][ T562] ? _copy_from_iter+0x360/0xed0
[ 56.579810][ T562] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.585771][ T562] cgroup_file_write+0x28e/0x590
[ 56.590692][ T562] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.595780][ T562] ? bit_wait_io_timeout+0x110/0x110
[ 56.601072][ T562] ? __kasan_check_write+0x14/0x20
[ 56.606162][ T562] kernfs_fop_write_iter+0x2cd/0x410
[ 56.611438][ T562] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.616530][ T562] vfs_write+0xbb4/0xf30
[ 56.620847][ T562] ? file_end_write+0x1b0/0x1b0
[ 56.625684][ T562] ? mutex_lock+0xec/0x130
[ 56.630176][ T562] ? bit_wait_io_timeout+0x110/0x110
[ 56.635457][ T562] ? __fdget_pos+0x26d/0x310
[ 56.640034][ T562] ? ksys_write+0x77/0x2c0
[ 56.644538][ T562] ksys_write+0x198/0x2c0
[ 56.648848][ T562] ? __ia32_sys_read+0x90/0x90
[ 56.653590][ T562] ? debug_smp_processor_id+0x17/0x20
[ 56.658968][ T562] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 56.665015][ T562] __x64_sys_write+0x7b/0x90
[ 56.669779][ T562] do_syscall_64+0x2f/0x50
[ 56.674197][ T562] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.680078][ T562] RIP: 0033:0x7f2a75dbc249
[ 56.684474][ T562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.704276][ T562] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 56.712953][ T562] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 56.721194][ T562] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 56.729251][ T562] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 56.737436][ T562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 56.745660][ T562] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 56.753626][ T562]
[ 56.801394][ T557] FAULT_INJECTION: forcing a failure.
[ 56.801394][ T557] name failslab, interval 1, probability 0, space 0, times 0
[ 56.814464][ T557] CPU: 0 PID: 557 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 56.825370][ T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 56.835428][ T557] Call Trace:
[ 56.838701][ T557]
[ 56.841718][ T557] dump_stack_lvl+0x151/0x1b7
[ 56.846417][ T557] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 56.851859][ T557] ? pcpu_alloc+0xe83/0x1420
[ 56.856624][ T557] dump_stack+0x15/0x17
[ 56.860761][ T557] should_fail+0x3c0/0x510
[ 56.865175][ T557] ? percpu_ref_init+0xc9/0x350
[ 56.870010][ T557] __should_failslab+0x9f/0xe0
[ 56.874926][ T557] should_failslab+0x9/0x20
[ 56.879424][ T557] kmem_cache_alloc_trace+0x4a/0x320
[ 56.884692][ T557] ? cgroup_setup_root+0xec0/0xec0
[ 56.889782][ T557] percpu_ref_init+0xc9/0x350
[ 56.894483][ T557] ? cgroup_setup_root+0xec0/0xec0
[ 56.899748][ T557] cgroup_apply_control_enable+0x383/0x10c0
[ 56.905709][ T557] cgroup_apply_control+0x93/0x710
[ 56.910810][ T557] ? css_next_child+0x160/0x160
[ 56.915643][ T557] ? wake_bit_function+0x230/0x230
[ 56.920733][ T557] ? kernfs_fop_write_iter+0x15b/0x410
[ 56.926180][ T557] ? __kasan_check_write+0x14/0x20
[ 56.931272][ T557] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 56.936821][ T557] cgroup_subtree_control_write+0xdde/0x1340
[ 56.943148][ T557] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.951150][ T557] ? __kasan_check_write+0x14/0x20
[ 56.957064][ T557] ? _copy_from_iter+0x360/0xed0
[ 56.965118][ T557] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 56.971088][ T557] cgroup_file_write+0x28e/0x590
[ 56.976022][ T557] ? cgroup_seqfile_stop+0xc0/0xc0
[ 56.981138][ T557] ? bit_wait_io_timeout+0x110/0x110
[ 56.986407][ T557] ? __kasan_check_write+0x14/0x20
[ 56.991523][ T557] kernfs_fop_write_iter+0x2cd/0x410
[ 56.996789][ T557] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.001966][ T557] vfs_write+0xbb4/0xf30
[ 57.006189][ T557] ? file_end_write+0x1b0/0x1b0
[ 57.011032][ T557] ? mutex_lock+0xb6/0x130
[ 57.015439][ T557] ? bit_wait_io_timeout+0x110/0x110
[ 57.020711][ T557] ? __fdget_pos+0x26d/0x310
[ 57.025372][ T557] ? ksys_write+0x77/0x2c0
[ 57.030109][ T557] ksys_write+0x198/0x2c0
[ 57.034437][ T557] ? __ia32_sys_read+0x90/0x90
[ 57.039270][ T557] ? debug_smp_processor_id+0x17/0x20
[ 57.044709][ T557] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 57.050763][ T557] __x64_sys_write+0x7b/0x90
[ 57.055349][ T557] do_syscall_64+0x2f/0x50
[ 57.059753][ T557] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 57.065625][ T557] RIP: 0033:0x7f2a75dbc249
[ 57.070018][ T557] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.090036][ T557] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.098608][ T557] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 57.107000][ T557] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 57.114970][ T557] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 57.123110][ T557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 57.131156][ T557] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 57.139204][ T557]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 57.191325][ T555] FAULT_INJECTION: forcing a failure.
[ 57.191325][ T555] name failslab, interval 1, probability 0, space 0, times 0
[ 57.203965][ T555] CPU: 0 PID: 555 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 57.214627][ T555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.224696][ T555] Call Trace:
[ 57.227973][ T555]
[ 57.230897][ T555] dump_stack_lvl+0x151/0x1b7
[ 57.235649][ T555] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 57.241186][ T555] dump_stack+0x15/0x17
[ 57.245500][ T555] should_fail+0x3c0/0x510
[ 57.249908][ T555] ? pids_css_alloc+0x4e/0x120
[ 57.254665][ T555] __should_failslab+0x9f/0xe0
[ 57.259420][ T555] should_failslab+0x9/0x20
[ 57.264025][ T555] kmem_cache_alloc_trace+0x4a/0x320
[ 57.269468][ T555] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 57.274662][ T555] pids_css_alloc+0x4e/0x120
[ 57.279254][ T555] cgroup_apply_control_enable+0x335/0x10c0
[ 57.285246][ T555] cgroup_apply_control+0x93/0x710
[ 57.290369][ T555] ? css_next_child+0x160/0x160
[ 57.295297][ T555] ? wake_bit_function+0x230/0x230
[ 57.300541][ T555] ? kernfs_fop_write_iter+0x15b/0x410
[ 57.306026][ T555] ? __kasan_check_write+0x14/0x20
[ 57.311134][ T555] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 57.316496][ T555] cgroup_subtree_control_write+0xdde/0x1340
[ 57.322471][ T555] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 57.328445][ T555] ? __kasan_check_write+0x14/0x20
[ 57.333550][ T555] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 57.338730][ T555] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 57.345952][ T555] cgroup_file_write+0x28e/0x590
[ 57.350897][ T555] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.356042][ T555] ? bit_wait_io_timeout+0x110/0x110
[ 57.361577][ T555] ? __kasan_check_write+0x14/0x20
[ 57.366698][ T555] kernfs_fop_write_iter+0x2cd/0x410
[ 57.372038][ T555] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.377340][ T555] vfs_write+0xbb4/0xf30
[ 57.381580][ T555] ? file_end_write+0x1b0/0x1b0
[ 57.386426][ T555] ? mutex_lock+0xec/0x130
[ 57.390834][ T555] ? bit_wait_io_timeout+0x110/0x110
[ 57.396383][ T555] ? __fdget_pos+0x26d/0x310
[ 57.400951][ T555] ? ksys_write+0x77/0x2c0
[ 57.405351][ T555] ksys_write+0x198/0x2c0
[ 57.409665][ T555] ? __ia32_sys_read+0x90/0x90
[ 57.414496][ T555] ? debug_smp_processor_id+0x17/0x20
[ 57.419846][ T555] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 57.425906][ T555] __x64_sys_write+0x7b/0x90
[ 57.430493][ T555] do_syscall_64+0x2f/0x50
[ 57.434894][ T555] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 57.440775][ T555] RIP: 0033:0x7f2a75dbc249
[ 57.445607][ T555] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.465192][ T555] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.473588][ T555] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 57.481541][ T555] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 57.489496][ T555] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 57.497446][ T555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 57.506012][ T555] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 57.514125][ T555]
[ 57.561185][ T533] FAULT_INJECTION: forcing a failure.
[ 57.561185][ T533] name failslab, interval 1, probability 0, space 0, times 0
[ 57.574064][ T533] CPU: 1 PID: 533 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 57.584656][ T533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.595934][ T533] Call Trace:
[ 57.599207][ T533]
[ 57.602144][ T533] dump_stack_lvl+0x151/0x1b7
[ 57.606813][ T533] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 57.612432][ T533] dump_stack+0x15/0x17
[ 57.616571][ T533] should_fail+0x3c0/0x510
[ 57.621006][ T533] ? pids_css_alloc+0x4e/0x120
[ 57.625752][ T533] __should_failslab+0x9f/0xe0
[ 57.630506][ T533] should_failslab+0x9/0x20
[ 57.634995][ T533] kmem_cache_alloc_trace+0x4a/0x320
[ 57.640541][ T533] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 57.645910][ T533] pids_css_alloc+0x4e/0x120
[ 57.650490][ T533] cgroup_apply_control_enable+0x335/0x10c0
[ 57.656374][ T533] cgroup_apply_control+0x93/0x710
[ 57.661472][ T533] ? css_next_child+0x160/0x160
[ 57.666321][ T533] ? wake_bit_function+0x230/0x230
[ 57.671510][ T533] ? kernfs_fop_write_iter+0x15b/0x410
[ 57.676967][ T533] ? __kasan_check_write+0x14/0x20
[ 57.682077][ T533] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 57.687367][ T533] cgroup_subtree_control_write+0xdde/0x1340
[ 57.693340][ T533] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 57.699403][ T533] ? __kasan_check_write+0x14/0x20
[ 57.704501][ T533] ? _copy_from_iter+0x360/0xed0
[ 57.710116][ T533] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 57.716082][ T533] cgroup_file_write+0x28e/0x590
[ 57.721025][ T533] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.726116][ T533] ? bit_wait_io_timeout+0x110/0x110
[ 57.731395][ T533] ? __kasan_check_write+0x14/0x20
[ 57.736575][ T533] kernfs_fop_write_iter+0x2cd/0x410
[ 57.741840][ T533] ? cgroup_seqfile_stop+0xc0/0xc0
[ 57.746935][ T533] vfs_write+0xbb4/0xf30
[ 57.751160][ T533] ? file_end_write+0x1b0/0x1b0
[ 57.755994][ T533] ? mutex_lock+0xec/0x130
[ 57.760390][ T533] ? bit_wait_io_timeout+0x110/0x110
[ 57.765660][ T533] ? __fdget_pos+0x26d/0x310
[ 57.770231][ T533] ? ksys_write+0x77/0x2c0
[ 57.774633][ T533] ksys_write+0x198/0x2c0
[ 57.778944][ T533] ? __ia32_sys_read+0x90/0x90
[ 57.783690][ T533] ? debug_smp_processor_id+0x17/0x20
[ 57.789046][ T533] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 57.795100][ T533] __x64_sys_write+0x7b/0x90
[ 57.799672][ T533] do_syscall_64+0x2f/0x50
[ 57.804260][ T533] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 57.810137][ T533] RIP: 0033:0x7f2a75dbc249
[ 57.814536][ T533] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 57.834135][ T533] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.842537][ T533] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 57.850583][ T533] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 57.858624][ T533] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 57.866584][ T533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 57.874535][ T533] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 57.882492][ T533]
[ 57.889559][ T434] ------------[ cut here ]------------
[ 57.895131][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 57.904100][ T434] Modules linked in:
[ 57.908000][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 57.918602][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.928677][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 57.934380][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 57.954012][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 57.960067][ T434] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27a180
[ 57.968159][ T434] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 57.976170][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 57.984226][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 57.992217][ T434] R13: ffff88810ece3800 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 58.000186][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 58.009311][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 58.015906][ T434] CR2: 00007ffe15c0f92c CR3: 000000012112d000 CR4: 00000000003506b0
[ 58.024029][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 58.032110][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 58.040096][ T434] Call Trace:
[ 58.043382][ T434]
[ 58.046406][ T434] ? __kasan_check_write+0x14/0x20
[ 58.051531][ T434] ? up_write+0xa1/0x190
[ 58.055806][ T434] ? vfs_submount+0xb0/0xb0
[ 58.060298][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 58.065946][ T434] namespace_unlock+0x448/0x4f0
[ 58.070906][ T434] ? umount_tree+0xf40/0xf40
[ 58.075487][ T434] ? __detach_mounts+0x670/0x670
[ 58.080410][ T434] ? selinux_umount+0xf3/0x130
[ 58.085196][ T434] ? security_sb_umount+0x9d/0xb0
[ 58.090215][ T434] path_umount+0xe89/0xf40
[ 58.094672][ T434] ? __kasan_slab_free+0x11/0x20
[ 58.099606][ T434] ? user_path_at_empty+0x152/0x1b0
[ 58.104824][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 58.109858][ T434] ? user_path_at_empty+0x152/0x1b0
[ 58.115071][ T434] __x64_sys_umount+0x122/0x170
[ 58.119921][ T434] ? path_umount+0xf40/0xf40
[ 58.124523][ T434] ? debug_smp_processor_id+0x17/0x20
[ 58.129890][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 58.135621][ T434] do_syscall_64+0x2f/0x50
[ 58.140031][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 58.145936][ T434] RIP: 0033:0x7f2a75dbd657
[ 58.150345][ T434] 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
[ 58.169981][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 58.178413][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 58.186403][ T434] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 58.194380][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 58.202346][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 58.210307][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 58.218299][ T434]
[ 58.221313][ T434] ---[ end trace 0000000000000000 ]---
[ 58.227016][ T434] ------------[ cut here ]------------
[ 58.232490][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 58.241594][ T434] Modules linked in:
[ 58.245475][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 58.256075][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.266168][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 58.271828][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 58.291594][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 58.297650][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 58.305734][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 58.313992][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 58.321989][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 58.329958][ T434] R13: ffff88810ece3800 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 58.337984][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 58.347106][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 58.353721][ T434] CR2: 00007ffe15c0f92c CR3: 000000012112d000 CR4: 00000000003506b0
[ 58.361884][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 58.369848][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 58.377852][ T434] Call Trace:
[ 58.381143][ T434]
[ 58.384091][ T434] ? lockref_get_or_lock+0x340/0x340
[ 58.389362][ T434] ? umount_tree+0xf40/0xf40
[ 58.393980][ T434] ? vfs_submount+0xb0/0xb0
[ 58.398485][ T434] ? dput+0x2b6/0x320
[ 58.402584][ T434] path_umount+0x1e0/0xf40
[ 58.407010][ T434] ? __kasan_slab_free+0x11/0x20
[ 58.411980][ T434] ? user_path_at_empty+0x152/0x1b0
[ 58.417187][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 58.422261][ T434] ? user_path_at_empty+0x152/0x1b0
[ 58.427481][ T434] __x64_sys_umount+0x122/0x170
[ 58.432345][ T434] ? path_umount+0xf40/0xf40
[ 58.436945][ T434] ? debug_smp_processor_id+0x17/0x20
[ 58.442410][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 58.448074][ T434] do_syscall_64+0x2f/0x50
[ 58.452548][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 58.458557][ T434] RIP: 0033:0x7f2a75dbd657
[ 58.463001][ T434] 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
[ 58.482856][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 58.491372][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 58.499343][ T434] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 58.507347][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 58.515346][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 58.523457][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 58.531461][ T434]
[ 58.534477][ T434] ---[ end trace 0000000000000000 ]---
[ 58.540417][ T544] FAULT_INJECTION: forcing a failure.
[ 58.540417][ T544] name failslab, interval 1, probability 0, space 0, times 0
[ 58.553168][ T544] CPU: 0 PID: 544 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 58.563762][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.573800][ T544] Call Trace:
[ 58.577063][ T544]
[ 58.579976][ T544] dump_stack_lvl+0x151/0x1b7
[ 58.584639][ T544] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 58.590102][ T544] ? pcpu_alloc+0xe83/0x1420
[ 58.594685][ T544] dump_stack+0x15/0x17
[ 58.598935][ T544] should_fail+0x3c0/0x510
[ 58.603343][ T544] ? percpu_ref_init+0xc9/0x350
[ 58.608176][ T544] __should_failslab+0x9f/0xe0
[ 58.613029][ T544] should_failslab+0x9/0x20
[ 58.617555][ T544] kmem_cache_alloc_trace+0x4a/0x320
[ 58.622829][ T544] ? cgroup_setup_root+0xec0/0xec0
[ 58.627950][ T544] percpu_ref_init+0xc9/0x350
[ 58.632622][ T544] ? cgroup_setup_root+0xec0/0xec0
[ 58.637730][ T544] cgroup_apply_control_enable+0x383/0x10c0
[ 58.643618][ T544] cgroup_apply_control+0x93/0x710
[ 58.648719][ T544] ? css_next_child+0x160/0x160
[ 58.653645][ T544] ? wake_bit_function+0x230/0x230
[ 58.658765][ T544] ? kernfs_fop_write_iter+0x15b/0x410
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 58.664221][ T544] ? __kasan_check_write+0x14/0x20
[ 58.669682][ T544] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 58.674971][ T544] cgroup_subtree_control_write+0xdde/0x1340
[ 58.680941][ T544] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 58.686995][ T544] ? __kasan_check_write+0x14/0x20
[ 58.692110][ T544] ? _copy_from_iter+0x360/0xed0
[ 58.697033][ T544] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 58.703220][ T544] cgroup_file_write+0x28e/0x590
[ 58.708178][ T544] ? cgroup_seqfile_stop+0xc0/0xc0
[ 58.713278][ T544] ? bit_wait_io_timeout+0x110/0x110
[ 58.718566][ T544] ? __kasan_check_write+0x14/0x20
[ 58.723662][ T544] kernfs_fop_write_iter+0x2cd/0x410
[ 58.728930][ T544] ? cgroup_seqfile_stop+0xc0/0xc0
[ 58.734036][ T544] vfs_write+0xbb4/0xf30
[ 58.738263][ T544] ? file_end_write+0x1b0/0x1b0
[ 58.743096][ T544] ? mutex_lock+0xec/0x130
[ 58.747501][ T544] ? bit_wait_io_timeout+0x110/0x110
[ 58.752772][ T544] ? __fdget_pos+0x26d/0x310
[ 58.757535][ T544] ? ksys_write+0x77/0x2c0
[ 58.761998][ T544] ksys_write+0x198/0x2c0
[ 58.766351][ T544] ? __ia32_sys_read+0x90/0x90
[ 58.771115][ T544] ? debug_smp_processor_id+0x17/0x20
[ 58.776478][ T544] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 58.782530][ T544] __x64_sys_write+0x7b/0x90
[ 58.787149][ T544] do_syscall_64+0x2f/0x50
[ 58.791548][ T544] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 58.797444][ T544] RIP: 0033:0x7f2a75dbc249
[ 58.801839][ T544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 58.821607][ T544] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 58.830007][ T544] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 58.837961][ T544] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 58.845913][ T544] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 58.854773][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 58.862827][ T544] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 58.870798][ T544]
[ 58.921613][ T581] FAULT_INJECTION: forcing a failure.
[ 58.921613][ T581] name failslab, interval 1, probability 0, space 0, times 0
[ 58.934375][ T581] CPU: 1 PID: 581 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 58.945060][ T581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 58.955097][ T581] Call Trace:
[ 58.958357][ T581]
[ 58.961272][ T581] dump_stack_lvl+0x151/0x1b7
[ 58.966022][ T581] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 58.971464][ T581] ? pcpu_alloc+0xe83/0x1420
[ 58.976042][ T581] dump_stack+0x15/0x17
[ 58.980179][ T581] should_fail+0x3c0/0x510
[ 58.984590][ T581] ? percpu_ref_init+0xc9/0x350
[ 58.989430][ T581] __should_failslab+0x9f/0xe0
[ 58.994175][ T581] should_failslab+0x9/0x20
[ 58.998835][ T581] kmem_cache_alloc_trace+0x4a/0x320
[ 59.004191][ T581] ? cgroup_setup_root+0xec0/0xec0
[ 59.009284][ T581] percpu_ref_init+0xc9/0x350
[ 59.013944][ T581] ? cgroup_setup_root+0xec0/0xec0
[ 59.019041][ T581] cgroup_apply_control_enable+0x383/0x10c0
[ 59.024945][ T581] cgroup_apply_control+0x93/0x710
[ 59.030037][ T581] ? css_next_child+0x160/0x160
[ 59.034869][ T581] ? wake_bit_function+0x230/0x230
[ 59.039972][ T581] ? kernfs_fop_write_iter+0x15b/0x410
[ 59.045412][ T581] ? __kasan_check_write+0x14/0x20
[ 59.050517][ T581] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 59.055784][ T581] cgroup_subtree_control_write+0xdde/0x1340
[ 59.061748][ T581] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.067714][ T581] ? __kasan_check_write+0x14/0x20
[ 59.072808][ T581] ? _copy_from_iter+0x360/0xed0
[ 59.077724][ T581] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.083685][ T581] cgroup_file_write+0x28e/0x590
[ 59.088606][ T581] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.093697][ T581] ? bit_wait_io_timeout+0x110/0x110
[ 59.098964][ T581] ? __kasan_check_write+0x14/0x20
[ 59.104055][ T581] kernfs_fop_write_iter+0x2cd/0x410
[ 59.109321][ T581] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.114413][ T581] vfs_write+0xbb4/0xf30
[ 59.118646][ T581] ? file_end_write+0x1b0/0x1b0
[ 59.123478][ T581] ? mutex_lock+0xb6/0x130
[ 59.127879][ T581] ? bit_wait_io_timeout+0x110/0x110
[ 59.133162][ T581] ? __fdget_pos+0x26d/0x310
[ 59.137737][ T581] ? ksys_write+0x77/0x2c0
[ 59.142145][ T581] ksys_write+0x198/0x2c0
[ 59.146485][ T581] ? __ia32_sys_read+0x90/0x90
[ 59.151243][ T581] ? debug_smp_processor_id+0x17/0x20
[ 59.156604][ T581] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 59.162755][ T581] __x64_sys_write+0x7b/0x90
[ 59.167330][ T581] do_syscall_64+0x2f/0x50
[ 59.171729][ T581] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 59.177630][ T581] RIP: 0033:0x7f2a75dbc249
[ 59.182027][ T581] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 59.201805][ T581] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 59.210287][ T581] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 59.218416][ T581] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 59.226380][ T581] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 59.234350][ T581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 59.242305][ T581] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 59.250349][ T581]
[ 59.311197][ T565] FAULT_INJECTION: forcing a failure.
[ 59.311197][ T565] name failslab, interval 1, probability 0, space 0, times 0
[ 59.324121][ T565] CPU: 1 PID: 565 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 59.335008][ T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.345283][ T565] Call Trace:
[ 59.348555][ T565]
[ 59.351486][ T565] dump_stack_lvl+0x151/0x1b7
[ 59.356197][ T565] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 59.361648][ T565] ? selinux_kernfs_init_security+0x1a8/0x760
[ 59.367735][ T565] dump_stack+0x15/0x17
[ 59.371978][ T565] should_fail+0x3c0/0x510
[ 59.376670][ T565] ? __kernfs_new_node+0x99/0x6e0
[ 59.381715][ T565] __should_failslab+0x9f/0xe0
[ 59.386566][ T565] should_failslab+0x9/0x20
[ 59.391057][ T565] __kmalloc_track_caller+0x6c/0x340
[ 59.396344][ T565] kstrdup_const+0x55/0x90
[ 59.400755][ T565] __kernfs_new_node+0x99/0x6e0
[ 59.405608][ T565] ? stack_trace_save+0x1f0/0x1f0
[ 59.410625][ T565] ? kernfs_new_node+0x170/0x170
[ 59.415632][ T565] ? ptr_to_hashval+0x60/0x60
[ 59.420301][ T565] ? arch_stack_walk+0xf8/0x140
[ 59.425136][ T565] ? snprintf+0xd6/0x120
[ 59.429369][ T565] kernfs_new_node+0x97/0x170
[ 59.434201][ T565] __kernfs_create_file+0x4a/0x270
[ 59.439296][ T565] cgroup_addrm_files+0xab8/0xfe0
[ 59.444421][ T565] ? ____kasan_kmalloc+0xdc/0x110
[ 59.449425][ T565] ? __kasan_kmalloc+0x9/0x10
[ 59.454084][ T565] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 59.459642][ T565] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 59.466050][ T565] ? delete_node+0x759/0x7b0
[ 59.470637][ T565] ? __kasan_check_read+0x11/0x20
[ 59.475648][ T565] ? delete_node+0x759/0x7b0
[ 59.480221][ T565] ? __kasan_check_write+0x14/0x20
[ 59.485331][ T565] ? __kthread_should_park+0xaa/0xe0
[ 59.490603][ T565] ? do_softirq+0x114/0x1c0
[ 59.495108][ T565] ? __local_bh_enable_ip+0x80/0x80
[ 59.500306][ T565] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 59.505341][ T565] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 59.510537][ T565] css_populate_dir+0x137/0x370
[ 59.515385][ T565] cgroup_apply_control_enable+0x889/0x10c0
[ 59.521266][ T565] cgroup_apply_control+0x93/0x710
[ 59.526359][ T565] ? css_next_child+0x160/0x160
[ 59.531371][ T565] ? wake_bit_function+0x230/0x230
[ 59.536464][ T565] ? kernfs_fop_write_iter+0x15b/0x410
[ 59.541913][ T565] ? __kasan_check_write+0x14/0x20
[ 59.547092][ T565] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 59.552364][ T565] cgroup_subtree_control_write+0xdde/0x1340
[ 59.558334][ T565] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.564296][ T565] ? __kasan_check_write+0x14/0x20
[ 59.569417][ T565] ? _copy_from_iter+0x360/0xed0
[ 59.574441][ T565] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.580439][ T565] cgroup_file_write+0x28e/0x590
[ 59.585366][ T565] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.590473][ T565] ? bit_wait_io_timeout+0x110/0x110
[ 59.595759][ T565] ? __kasan_check_write+0x14/0x20
[ 59.600965][ T565] kernfs_fop_write_iter+0x2cd/0x410
[ 59.606236][ T565] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.611340][ T565] vfs_write+0xbb4/0xf30
[ 59.615591][ T565] ? file_end_write+0x1b0/0x1b0
[ 59.620435][ T565] ? mutex_lock+0xec/0x130
[ 59.624934][ T565] ? bit_wait_io_timeout+0x110/0x110
[ 59.630224][ T565] ? __fdget_pos+0x26d/0x310
[ 59.634806][ T565] ? ksys_write+0x77/0x2c0
[ 59.639209][ T565] ksys_write+0x198/0x2c0
[ 59.643527][ T565] ? __ia32_sys_read+0x90/0x90
[ 59.648289][ T565] ? debug_smp_processor_id+0x17/0x20
[ 59.653641][ T565] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 59.659689][ T565] __x64_sys_write+0x7b/0x90
[ 59.664282][ T565] do_syscall_64+0x2f/0x50
[ 59.668680][ T565] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 59.674575][ T565] RIP: 0033:0x7f2a75dbc249
[ 59.678972][ T565] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 59.698574][ T565] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 59.707156][ T565] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 59.715228][ T565] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 59.723193][ T565] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 59.731194][ T565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 59.739149][ T565] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 59.747108][ T565]
[ 59.750321][ T565] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 59.801221][ T571] FAULT_INJECTION: forcing a failure.
[ 59.801221][ T571] name failslab, interval 1, probability 0, space 0, times 0
[ 59.813901][ T571] CPU: 0 PID: 571 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 59.824483][ T571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 59.834545][ T571] Call Trace:
[ 59.837819][ T571]
[ 59.840740][ T571] dump_stack_lvl+0x151/0x1b7
[ 59.845423][ T571] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 59.851126][ T571] ? pcpu_alloc+0xe83/0x1420
[ 59.855705][ T571] dump_stack+0x15/0x17
[ 59.859843][ T571] should_fail+0x3c0/0x510
[ 59.864353][ T571] ? percpu_ref_init+0xc9/0x350
[ 59.869222][ T571] __should_failslab+0x9f/0xe0
[ 59.873980][ T571] should_failslab+0x9/0x20
[ 59.878479][ T571] kmem_cache_alloc_trace+0x4a/0x320
[ 59.883758][ T571] ? cgroup_setup_root+0xec0/0xec0
[ 59.888858][ T571] percpu_ref_init+0xc9/0x350
[ 59.893629][ T571] ? cgroup_setup_root+0xec0/0xec0
[ 59.898724][ T571] cgroup_apply_control_enable+0x383/0x10c0
[ 59.904603][ T571] cgroup_apply_control+0x93/0x710
[ 59.909694][ T571] ? css_next_child+0x160/0x160
[ 59.914540][ T571] ? wake_bit_function+0x230/0x230
[ 59.919665][ T571] ? kernfs_fop_write_iter+0x15b/0x410
[ 59.925105][ T571] ? __kasan_check_write+0x14/0x20
[ 59.930223][ T571] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 59.935508][ T571] cgroup_subtree_control_write+0xdde/0x1340
[ 59.941475][ T571] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 59.947439][ T571] ? __kasan_check_write+0x14/0x20
[ 59.952542][ T571] ? _copy_from_iter+0x360/0xed0
[ 59.957558][ T571] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 59.963557][ T571] cgroup_file_write+0x28e/0x590
[ 59.968515][ T571] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.973615][ T571] ? bit_wait_io_timeout+0x110/0x110
[ 59.978900][ T571] ? __kasan_check_write+0x14/0x20
[ 59.983997][ T571] kernfs_fop_write_iter+0x2cd/0x410
[ 59.989283][ T571] ? cgroup_seqfile_stop+0xc0/0xc0
[ 59.994378][ T571] vfs_write+0xbb4/0xf30
[ 59.999298][ T571] ? file_end_write+0x1b0/0x1b0
[ 60.004149][ T571] ? mutex_lock+0xec/0x130
[ 60.008545][ T571] ? bit_wait_io_timeout+0x110/0x110
[ 60.013817][ T571] ? __fdget_pos+0x26d/0x310
[ 60.018388][ T571] ? ksys_write+0x77/0x2c0
[ 60.022871][ T571] ksys_write+0x198/0x2c0
[ 60.027181][ T571] ? __ia32_sys_read+0x90/0x90
[ 60.031926][ T571] ? debug_smp_processor_id+0x17/0x20
[ 60.039622][ T571] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 60.045677][ T571] __x64_sys_write+0x7b/0x90
[ 60.050358][ T571] do_syscall_64+0x2f/0x50
[ 60.054892][ T571] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 60.060801][ T571] RIP: 0033:0x7f2a75dbc249
[ 60.065199][ T571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.084959][ T571] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.093363][ T571] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 60.101321][ T571] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 60.109282][ T571] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 60.117338][ T571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 60.125683][ T571] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 60.133832][ T571]
[ 60.181233][ T587] FAULT_INJECTION: forcing a failure.
[ 60.181233][ T587] name failslab, interval 1, probability 0, space 0, times 0
[ 60.193993][ T587] CPU: 0 PID: 587 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 60.204648][ T587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.214699][ T587] Call Trace:
[ 60.218042][ T587]
[ 60.220968][ T587] dump_stack_lvl+0x151/0x1b7
[ 60.225659][ T587] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 60.231203][ T587] ? pcpu_alloc+0xe83/0x1420
[ 60.235788][ T587] dump_stack+0x15/0x17
[ 60.240809][ T587] should_fail+0x3c0/0x510
[ 60.245336][ T587] ? percpu_ref_init+0xc9/0x350
[ 60.250190][ T587] __should_failslab+0x9f/0xe0
[ 60.255042][ T587] should_failslab+0x9/0x20
[ 60.259629][ T587] kmem_cache_alloc_trace+0x4a/0x320
[ 60.265298][ T587] ? cgroup_setup_root+0xec0/0xec0
[ 60.270505][ T587] percpu_ref_init+0xc9/0x350
[ 60.275755][ T587] ? cgroup_setup_root+0xec0/0xec0
[ 60.280860][ T587] cgroup_apply_control_enable+0x383/0x10c0
[ 60.286829][ T587] cgroup_apply_control+0x93/0x710
[ 60.292542][ T587] ? css_next_child+0x160/0x160
[ 60.297386][ T587] ? wake_bit_function+0x230/0x230
[ 60.302566][ T587] ? kernfs_fop_write_iter+0x15b/0x410
[ 60.308195][ T587] ? __kasan_check_write+0x14/0x20
[ 60.313292][ T587] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 60.318647][ T587] cgroup_subtree_control_write+0xdde/0x1340
[ 60.326089][ T587] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 60.332151][ T587] ? __kasan_check_write+0x14/0x20
[ 60.337363][ T587] ? _copy_from_iter+0x360/0xed0
[ 60.342283][ T587] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 60.348245][ T587] cgroup_file_write+0x28e/0x590
[ 60.353251][ T587] ? cgroup_seqfile_stop+0xc0/0xc0
[ 60.358352][ T587] ? bit_wait_io_timeout+0x110/0x110
[ 60.363621][ T587] ? __kasan_check_write+0x14/0x20
[ 60.368739][ T587] kernfs_fop_write_iter+0x2cd/0x410
[ 60.374097][ T587] ? cgroup_seqfile_stop+0xc0/0xc0
[ 60.379278][ T587] vfs_write+0xbb4/0xf30
[ 60.383614][ T587] ? file_end_write+0x1b0/0x1b0
[ 60.388465][ T587] ? mutex_lock+0xb6/0x130
[ 60.393853][ T587] ? bit_wait_io_timeout+0x110/0x110
[ 60.399146][ T587] ? __fdget_pos+0x26d/0x310
[ 60.403740][ T587] ? ksys_write+0x77/0x2c0
[ 60.408324][ T587] ksys_write+0x198/0x2c0
[ 60.412644][ T587] ? save_fpregs_to_fpstate+0x210/0x210
[ 60.418262][ T587] ? __ia32_sys_read+0x90/0x90
[ 60.423008][ T587] ? debug_smp_processor_id+0x17/0x20
[ 60.428365][ T587] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 60.434423][ T587] __x64_sys_write+0x7b/0x90
[ 60.438996][ T587] do_syscall_64+0x2f/0x50
[ 60.443498][ T587] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 60.449401][ T587] RIP: 0033:0x7f2a75dbc249
[ 60.453803][ T587] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.473427][ T587] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.481837][ T587] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 60.489811][ T587] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 60.497765][ T587] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 60.505720][ T587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 60.513675][ T587] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 60.521639][ T587]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 60.571297][ T574] FAULT_INJECTION: forcing a failure.
[ 60.571297][ T574] name failslab, interval 1, probability 0, space 0, times 0
[ 60.584094][ T574] CPU: 1 PID: 574 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 60.595008][ T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.605136][ T574] Call Trace:
[ 60.608400][ T574]
[ 60.611541][ T574] dump_stack_lvl+0x151/0x1b7
[ 60.616226][ T574] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 60.621770][ T574] ? pcpu_alloc+0xe83/0x1420
[ 60.626347][ T574] dump_stack+0x15/0x17
[ 60.630486][ T574] should_fail+0x3c0/0x510
[ 60.634889][ T574] ? percpu_ref_init+0xc9/0x350
[ 60.639807][ T574] __should_failslab+0x9f/0xe0
[ 60.644564][ T574] should_failslab+0x9/0x20
[ 60.649062][ T574] kmem_cache_alloc_trace+0x4a/0x320
[ 60.654424][ T574] ? cgroup_setup_root+0xec0/0xec0
[ 60.659515][ T574] percpu_ref_init+0xc9/0x350
[ 60.664880][ T574] ? cgroup_setup_root+0xec0/0xec0
[ 60.669972][ T574] cgroup_apply_control_enable+0x383/0x10c0
[ 60.675863][ T574] cgroup_apply_control+0x93/0x710
[ 60.681329][ T574] ? css_next_child+0x160/0x160
[ 60.686351][ T574] ? wake_bit_function+0x230/0x230
[ 60.691559][ T574] ? kernfs_fop_write_iter+0x15b/0x410
[ 60.697080][ T574] ? __kasan_check_write+0x14/0x20
[ 60.702183][ T574] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 60.707561][ T574] cgroup_subtree_control_write+0xdde/0x1340
[ 60.713547][ T574] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 60.719643][ T574] ? __kasan_check_write+0x14/0x20
[ 60.724792][ T574] ? _copy_from_iter+0x360/0xed0
[ 60.729830][ T574] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 60.735898][ T574] cgroup_file_write+0x28e/0x590
[ 60.740918][ T574] ? cgroup_seqfile_stop+0xc0/0xc0
[ 60.746155][ T574] ? bit_wait_io_timeout+0x110/0x110
[ 60.751436][ T574] ? __kasan_check_write+0x14/0x20
[ 60.756541][ T574] kernfs_fop_write_iter+0x2cd/0x410
[ 60.761812][ T574] ? cgroup_seqfile_stop+0xc0/0xc0
[ 60.766920][ T574] vfs_write+0xbb4/0xf30
[ 60.771158][ T574] ? file_end_write+0x1b0/0x1b0
[ 60.776016][ T574] ? mutex_lock+0xec/0x130
[ 60.780416][ T574] ? bit_wait_io_timeout+0x110/0x110
[ 60.786065][ T574] ? __fdget_pos+0x26d/0x310
[ 60.790734][ T574] ? ksys_write+0x77/0x2c0
[ 60.795243][ T574] ksys_write+0x198/0x2c0
[ 60.799562][ T574] ? __ia32_sys_read+0x90/0x90
[ 60.804317][ T574] ? debug_smp_processor_id+0x17/0x20
[ 60.809675][ T574] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 60.815749][ T574] __x64_sys_write+0x7b/0x90
[ 60.820410][ T574] do_syscall_64+0x2f/0x50
[ 60.824813][ T574] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 60.830952][ T574] RIP: 0033:0x7f2a75dbc249
[ 60.835482][ T574] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.855342][ T574] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.863742][ T574] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 60.871699][ T574] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 60.879663][ T574] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 60.887659][ T574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 60.895623][ T574] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 60.903580][ T574]
[ 60.908379][ T432] ------------[ cut here ]------------
[ 60.914017][ T432] WARNING: CPU: 0 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 60.923023][ T432] Modules linked in:
[ 60.926915][ T432] CPU: 0 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 60.937514][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.947785][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 60.953523][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 60.973408][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 60.979490][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 60.987581][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 60.995566][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 61.003555][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
[ 61.011560][ T432] R13: ffff8881112faa80 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 61.019876][ T432] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 61.028836][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.035446][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506b0
[ 61.043457][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.051462][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.059535][ T432] Call Trace:
[ 61.062837][ T432]
[ 61.065762][ T432] ? __kasan_check_write+0x14/0x20
[ 61.070890][ T432] ? up_write+0xa1/0x190
[ 61.075130][ T432] ? vfs_submount+0xb0/0xb0
[ 61.079618][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 61.085174][ T432] namespace_unlock+0x448/0x4f0
[ 61.090050][ T432] ? umount_tree+0xf40/0xf40
[ 61.094671][ T432] ? __detach_mounts+0x670/0x670
[ 61.099642][ T432] ? selinux_umount+0xf3/0x130
[ 61.104431][ T432] ? security_sb_umount+0x9d/0xb0
[ 61.109548][ T432] path_umount+0xe89/0xf40
[ 61.114004][ T432] ? __kasan_slab_free+0x11/0x20
[ 61.118970][ T432] ? user_path_at_empty+0x152/0x1b0
[ 61.124367][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 61.129392][ T432] ? user_path_at_empty+0x152/0x1b0
[ 61.134607][ T432] __x64_sys_umount+0x122/0x170
[ 61.139474][ T432] ? path_umount+0xf40/0xf40
[ 61.144295][ T432] ? debug_smp_processor_id+0x17/0x20
[ 61.149866][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 61.155544][ T432] do_syscall_64+0x2f/0x50
[ 61.159968][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 61.165888][ T432] RIP: 0033:0x7f2a75dbd657
[ 61.170296][ T432] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.190000][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 61.198512][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 61.206530][ T432] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 61.214516][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 61.222870][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 61.230868][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 61.238861][ T432]
[ 61.241897][ T432] ---[ end trace 0000000000000000 ]---
[ 61.247437][ T432] ------------[ cut here ]------------
[ 61.253079][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 61.261383][ T582] FAULT_INJECTION: forcing a failure.
[ 61.261383][ T582] name failslab, interval 1, probability 0, space 0, times 0
[ 61.262037][ T432] Modules linked in:
[ 61.275090][ T582] CPU: 0 PID: 582 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 61.278670][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 61.289251][ T582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.289261][ T582] Call Trace:
[ 61.289266][ T582]
[ 61.289271][ T582] dump_stack_lvl+0x151/0x1b7
[ 61.289294][ T582] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 61.299873][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.309883][ T582] ? pcpu_alloc+0xe83/0x1420
[ 61.309906][ T582] dump_stack+0x15/0x17
[ 61.313173][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 61.316097][ T582] should_fail+0x3c0/0x510
[ 61.320762][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 61.326183][ T582] ? percpu_ref_init+0xc9/0x350
[ 61.336343][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 61.340874][ T582] __should_failslab+0x9f/0xe0
[ 61.340893][ T582] should_failslab+0x9/0x20
[ 61.345026][ T432]
[ 61.345032][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27d3c0
[ 61.350642][ T582] kmem_cache_alloc_trace+0x4a/0x320
[ 61.355083][ T432] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 61.374887][ T582] ? cgroup_setup_root+0xec0/0xec0
[ 61.374914][ T582] percpu_ref_init+0xc9/0x350
[ 61.379734][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 61.385945][ T582] ? cgroup_setup_root+0xec0/0xec0
[ 61.385964][ T582] cgroup_apply_control_enable+0x383/0x10c0
[ 61.391427][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 61.395875][ T582] cgroup_apply_control+0x93/0x710
[ 61.398177][ T432] R13: ffff8881112faa80 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 61.407018][ T582] ? css_next_child+0x160/0x160
[ 61.407035][ T582] ? wake_bit_function+0x230/0x230
[ 61.412344][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 61.420270][ T582] ? kernfs_fop_write_iter+0x15b/0x410
[ 61.425378][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.430015][ T582] ? __kasan_check_write+0x14/0x20
[ 61.437980][ T432] CR2: 00007ffe15c0fea8 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 61.443051][ T582] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 61.443071][ T582] cgroup_subtree_control_write+0xdde/0x1340
[ 61.448936][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.456894][ T582] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 61.456915][ T582] ? __kasan_check_write+0x14/0x20
[ 61.456929][ T582] ? _copy_from_iter+0x360/0xed0
[ 61.462127][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.470068][ T582] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 61.475045][ T432] Call Trace:
[ 61.480112][ T582] cgroup_file_write+0x28e/0x590
[ 61.489070][ T432]
[ 61.494477][ T582] ? cgroup_seqfile_stop+0xc0/0xc0
[ 61.494503][ T582] ? bit_wait_io_timeout+0x110/0x110
[ 61.501071][ T432] ? lockref_get_or_lock+0x340/0x340
[ 61.506158][ T582] ? __kasan_check_write+0x14/0x20
[ 61.514420][ T432] ? umount_tree+0xf40/0xf40
[ 61.519738][ T582] kernfs_fop_write_iter+0x2cd/0x410
[ 61.525709][ T432] ? vfs_submount+0xb0/0xb0
[ 61.533696][ T582] ? cgroup_seqfile_stop+0xc0/0xc0
[ 61.533716][ T582] vfs_write+0xbb4/0xf30
[ 61.539660][ T432] ? dput+0x2b6/0x320
[ 61.544749][ T582] ? file_end_write+0x1b0/0x1b0
[ 61.544768][ T582] ? mutex_lock+0xec/0x130
[ 61.549670][ T432] path_umount+0x1e0/0xf40
[ 61.557613][ T582] ? bit_wait_io_timeout+0x110/0x110
[ 61.557633][ T582] ? __fdget_pos+0x26d/0x310
[ 61.563601][ T432] ? __kasan_slab_free+0x11/0x20
[ 61.566839][ T582] ? ksys_write+0x77/0x2c0
[ 61.571799][ T432] ? user_path_at_empty+0x152/0x1b0
[ 61.574661][ T582] ksys_write+0x198/0x2c0
[ 61.579832][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 61.585086][ T582] ? __ia32_sys_read+0x90/0x90
[ 61.585106][ T582] ? debug_smp_processor_id+0x17/0x20
[ 61.590359][ T432] ? user_path_at_empty+0x152/0x1b0
[ 61.595443][ T582] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 61.595463][ T582] __x64_sys_write+0x7b/0x90
[ 61.600026][ T432] __x64_sys_umount+0x122/0x170
[ 61.605280][ T582] do_syscall_64+0x2f/0x50
[ 61.605300][ T582] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 61.609767][ T432] ? path_umount+0xf40/0xf40
[ 61.614847][ T582] RIP: 0033:0x7f2a75dbc249
[ 61.614864][ T582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.619075][ T432] ? debug_smp_processor_id+0x17/0x20
[ 61.623030][ T582] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 61.623049][ T582] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 61.627863][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 61.632250][ T582] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 61.632262][ T582] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 61.632272][ T582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 61.632281][ T582] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 61.636758][ T432] do_syscall_64+0x2f/0x50
[ 61.642015][ T582]
[ 61.810303][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 61.816921][ T432] RIP: 0033:0x7f2a75dbd657
[ 61.821340][ T432] Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 61.841003][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 61.849420][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 61.857411][ T432] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 61.865390][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 61.873740][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 61.881820][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 61.889891][ T432]
[ 61.892949][ T432] ---[ end trace 0000000000000000 ]---
[ 61.941551][ T593] FAULT_INJECTION: forcing a failure.
[ 61.941551][ T593] name failslab, interval 1, probability 0, space 0, times 0
[ 61.954401][ T593] CPU: 0 PID: 593 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 61.965157][ T593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.975290][ T593] Call Trace:
[ 61.978560][ T593]
[ 61.981491][ T593] dump_stack_lvl+0x151/0x1b7
[ 61.986160][ T593] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 61.991619][ T593] dump_stack+0x15/0x17
[ 61.995788][ T593] should_fail+0x3c0/0x510
[ 62.000285][ T593] ? pids_css_alloc+0x4e/0x120
[ 62.005059][ T593] __should_failslab+0x9f/0xe0
[ 62.010010][ T593] should_failslab+0x9/0x20
[ 62.014510][ T593] kmem_cache_alloc_trace+0x4a/0x320
[ 62.019810][ T593] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 62.025002][ T593] pids_css_alloc+0x4e/0x120
[ 62.029574][ T593] cgroup_apply_control_enable+0x335/0x10c0
[ 62.035461][ T593] cgroup_apply_control+0x93/0x710
[ 62.040564][ T593] ? css_next_child+0x160/0x160
[ 62.045400][ T593] ? wake_bit_function+0x230/0x230
[ 62.050523][ T593] ? kernfs_fop_write_iter+0x15b/0x410
[ 62.055983][ T593] ? __kasan_check_write+0x14/0x20
[ 62.061091][ T593] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 62.066488][ T593] cgroup_subtree_control_write+0xdde/0x1340
[ 62.072454][ T593] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.078429][ T593] ? __kasan_check_write+0x14/0x20
[ 62.083531][ T593] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 62.088470][ T593] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.094545][ T593] cgroup_file_write+0x28e/0x590
[ 62.099476][ T593] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.104575][ T593] ? bit_wait_io_timeout+0x110/0x110
[ 62.109856][ T593] ? __kasan_check_write+0x14/0x20
[ 62.114955][ T593] kernfs_fop_write_iter+0x2cd/0x410
[ 62.120226][ T593] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.125336][ T593] vfs_write+0xbb4/0xf30
[ 62.129567][ T593] ? file_end_write+0x1b0/0x1b0
[ 62.134443][ T593] ? mutex_lock+0xec/0x130
[ 62.138942][ T593] ? bit_wait_io_timeout+0x110/0x110
[ 62.144309][ T593] ? __fdget_pos+0x26d/0x310
[ 62.148908][ T593] ? ksys_write+0x77/0x2c0
[ 62.153307][ T593] ksys_write+0x198/0x2c0
[ 62.157619][ T593] ? save_fpregs_to_fpstate+0x210/0x210
[ 62.163151][ T593] ? __ia32_sys_read+0x90/0x90
[ 62.167908][ T593] ? __kasan_check_write+0x14/0x20
[ 62.173001][ T593] ? switch_fpu_return+0x129/0x260
[ 62.178188][ T593] __x64_sys_write+0x7b/0x90
[ 62.182809][ T593] do_syscall_64+0x2f/0x50
[ 62.187218][ T593] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 62.193109][ T593] RIP: 0033:0x7f2a75dbc249
[ 62.197514][ T593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.217190][ T593] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 62.225608][ T593] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 62.233772][ T593] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 62.241821][ T593] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 62.249926][ T593] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 62.257887][ T593] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 62.266028][ T593]
[ 62.291275][ T568] FAULT_INJECTION: forcing a failure.
[ 62.291275][ T568] name failslab, interval 1, probability 0, space 0, times 0
[ 62.304177][ T568] CPU: 1 PID: 568 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 62.314786][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.324857][ T568] Call Trace:
[ 62.328132][ T568]
[ 62.331054][ T568] dump_stack_lvl+0x151/0x1b7
[ 62.335740][ T568] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 62.341192][ T568] ? selinux_kernfs_init_security+0x1a8/0x760
[ 62.347376][ T568] dump_stack+0x15/0x17
[ 62.351557][ T568] should_fail+0x3c0/0x510
[ 62.355985][ T568] __should_failslab+0x9f/0xe0
[ 62.360755][ T568] should_failslab+0x9/0x20
[ 62.365277][ T568] kmem_cache_alloc+0x4f/0x300
[ 62.370039][ T568] ? __kernfs_new_node+0xdb/0x6e0
[ 62.375072][ T568] __kernfs_new_node+0xdb/0x6e0
[ 62.379996][ T568] ? stack_trace_save+0x1f0/0x1f0
[ 62.385025][ T568] ? kernfs_new_node+0x170/0x170
[ 62.389962][ T568] ? ptr_to_hashval+0x60/0x60
[ 62.394726][ T568] ? up_read+0x1b0/0x1b0
[ 62.398951][ T568] ? snprintf+0xd6/0x120
[ 62.403174][ T568] kernfs_new_node+0x97/0x170
[ 62.407834][ T568] __kernfs_create_file+0x4a/0x270
[ 62.412929][ T568] cgroup_addrm_files+0xab8/0xfe0
[ 62.418055][ T568] ? ____kasan_kmalloc+0xdc/0x110
[ 62.423061][ T568] ? __kasan_kmalloc+0x9/0x10
[ 62.427717][ T568] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 62.433425][ T568] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 62.439659][ T568] ? delete_node+0x759/0x7b0
[ 62.444343][ T568] ? __kasan_check_read+0x11/0x20
[ 62.449368][ T568] ? idr_replace+0x1c4/0x230
[ 62.453947][ T568] ? idr_get_next+0x4b0/0x4b0
[ 62.458615][ T568] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 62.463650][ T568] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 62.468847][ T568] css_populate_dir+0x137/0x370
[ 62.473691][ T568] cgroup_apply_control_enable+0x889/0x10c0
[ 62.479761][ T568] cgroup_apply_control+0x93/0x710
[ 62.484875][ T568] ? css_next_child+0x160/0x160
[ 62.489708][ T568] ? wake_bit_function+0x230/0x230
[ 62.494836][ T568] ? __x64_sys_write+0x7b/0x90
[ 62.499602][ T568] ? __kasan_check_write+0x14/0x20
[ 62.504708][ T568] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 62.509995][ T568] cgroup_subtree_control_write+0xdde/0x1340
[ 62.515980][ T568] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.522046][ T568] ? __kasan_check_write+0x14/0x20
[ 62.527226][ T568] ? _copy_from_iter+0x360/0xed0
[ 62.532146][ T568] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 62.538110][ T568] cgroup_file_write+0x28e/0x590
[ 62.543042][ T568] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.548160][ T568] ? bit_wait_io_timeout+0x110/0x110
[ 62.553954][ T568] ? __kasan_check_write+0x14/0x20
[ 62.559062][ T568] kernfs_fop_write_iter+0x2cd/0x410
[ 62.564337][ T568] ? cgroup_seqfile_stop+0xc0/0xc0
[ 62.569442][ T568] vfs_write+0xbb4/0xf30
[ 62.573667][ T568] ? file_end_write+0x1b0/0x1b0
[ 62.578496][ T568] ? mutex_lock+0xec/0x130
[ 62.582892][ T568] ? bit_wait_io_timeout+0x110/0x110
[ 62.588164][ T568] ? __fdget_pos+0x26d/0x310
[ 62.592738][ T568] ? ksys_write+0x77/0x2c0
[ 62.597135][ T568] ksys_write+0x198/0x2c0
[ 62.601464][ T568] ? __ia32_sys_read+0x90/0x90
[ 62.606205][ T568] ? debug_smp_processor_id+0x17/0x20
[ 62.611553][ T568] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 62.617604][ T568] __x64_sys_write+0x7b/0x90
[ 62.622190][ T568] do_syscall_64+0x2f/0x50
[ 62.626587][ T568] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 62.632470][ T568] RIP: 0033:0x7f2a75dbc249
[ 62.636884][ T568] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.656651][ T568] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 62.665248][ T568] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 62.673295][ T568] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 62.681252][ T568] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 62.689295][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 62.697256][ T568] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 62.705304][ T568]
[ 62.708576][ T568] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 62.771102][ T590] FAULT_INJECTION: forcing a failure.
[ 62.771102][ T590] name failslab, interval 1, probability 0, space 0, times 0
[ 62.783944][ T590] CPU: 0 PID: 590 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 62.794709][ T590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 62.805014][ T590] Call Trace:
[ 62.808456][ T590]
[ 62.811375][ T590] dump_stack_lvl+0x151/0x1b7
[ 62.816044][ T590] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 62.821558][ T590] ? selinux_kernfs_init_security+0x1a8/0x760
[ 62.827742][ T590] dump_stack+0x15/0x17
[ 62.831891][ T590] should_fail+0x3c0/0x510
[ 62.836292][ T590] ? __kernfs_new_node+0x99/0x6e0
[ 62.841302][ T590] __should_failslab+0x9f/0xe0
[ 62.846062][ T590] should_failslab+0x9/0x20
[ 62.850544][ T590] __kmalloc_track_caller+0x6c/0x340
[ 62.855812][ T590] kstrdup_const+0x55/0x90
[ 62.860210][ T590] __kernfs_new_node+0x99/0x6e0
[ 62.865234][ T590] ? stack_trace_save+0x1f0/0x1f0
[ 62.870251][ T590] ? kernfs_new_node+0x170/0x170
[ 62.875184][ T590] ? ptr_to_hashval+0x60/0x60
[ 62.879854][ T590] ? arch_stack_walk+0xf8/0x140
[ 62.884687][ T590] ? snprintf+0xd6/0x120
[ 62.888906][ T590] kernfs_new_node+0x97/0x170
[ 62.893565][ T590] __kernfs_create_file+0x4a/0x270
[ 62.898757][ T590] cgroup_addrm_files+0xab8/0xfe0
[ 62.903862][ T590] ? ____kasan_kmalloc+0xdc/0x110
[ 62.909071][ T590] ? __kasan_kmalloc+0x9/0x10
[ 62.913728][ T590] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 62.919258][ T590] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 62.925397][ T590] ? delete_node+0x759/0x7b0
[ 62.930063][ T590] ? __kasan_check_read+0x11/0x20
[ 62.935078][ T590] ? delete_node+0x759/0x7b0
[ 62.939661][ T590] ? __kasan_check_write+0x14/0x20
[ 62.944762][ T590] ? idr_replace+0x1c4/0x230
[ 62.949366][ T590] ? idr_get_next+0x4b0/0x4b0
[ 62.954031][ T590] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 62.959047][ T590] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 62.964227][ T590] css_populate_dir+0x137/0x370
[ 62.969065][ T590] cgroup_apply_control_enable+0x889/0x10c0
[ 62.975117][ T590] cgroup_apply_control+0x93/0x710
[ 62.980383][ T590] ? css_next_child+0x160/0x160
[ 62.985224][ T590] ? wake_bit_function+0x230/0x230
[ 62.990324][ T590] ? kernfs_fop_write_iter+0x15b/0x410
[ 62.995859][ T590] ? __kasan_check_write+0x14/0x20
[ 63.000960][ T590] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 63.006229][ T590] cgroup_subtree_control_write+0xdde/0x1340
[ 63.012567][ T590] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.018530][ T590] ? __kasan_check_write+0x14/0x20
[ 63.023623][ T590] ? _copy_from_iter+0x360/0xed0
[ 63.028549][ T590] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.035118][ T590] cgroup_file_write+0x28e/0x590
[ 63.040068][ T590] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.045167][ T590] ? bit_wait_io_timeout+0x110/0x110
[ 63.050436][ T590] ? __kasan_check_write+0x14/0x20
[ 63.055800][ T590] kernfs_fop_write_iter+0x2cd/0x410
[ 63.061067][ T590] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.066181][ T590] vfs_write+0xbb4/0xf30
[ 63.070500][ T590] ? file_end_write+0x1b0/0x1b0
[ 63.075433][ T590] ? mutex_lock+0xec/0x130
[ 63.079841][ T590] ? bit_wait_io_timeout+0x110/0x110
[ 63.085110][ T590] ? __fdget_pos+0x26d/0x310
[ 63.089681][ T590] ? ksys_write+0x77/0x2c0
[ 63.094078][ T590] ksys_write+0x198/0x2c0
[ 63.098389][ T590] ? __ia32_sys_read+0x90/0x90
[ 63.103136][ T590] ? debug_smp_processor_id+0x17/0x20
[ 63.108497][ T590] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 63.114543][ T590] __x64_sys_write+0x7b/0x90
[ 63.119171][ T590] do_syscall_64+0x2f/0x50
[ 63.123576][ T590] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 63.129451][ T590] RIP: 0033:0x7f2a75dbc249
[ 63.133857][ T590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 63.153704][ T590] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.162111][ T590] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 63.170169][ T590] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 63.178129][ T590] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 63.186106][ T590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 63.194075][ T590] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 63.202054][ T590]
[ 63.205701][ T590] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 63.261350][ T600] FAULT_INJECTION: forcing a failure.
[ 63.261350][ T600] name failslab, interval 1, probability 0, space 0, times 0
[ 63.274199][ T600] CPU: 1 PID: 600 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 63.285124][ T600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.295173][ T600] Call Trace:
[ 63.298439][ T600]
[ 63.301366][ T600] dump_stack_lvl+0x151/0x1b7
[ 63.306059][ T600] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 63.311534][ T600] dump_stack+0x15/0x17
[ 63.315712][ T600] should_fail+0x3c0/0x510
[ 63.320297][ T600] ? pids_css_alloc+0x4e/0x120
[ 63.325053][ T600] __should_failslab+0x9f/0xe0
[ 63.329805][ T600] should_failslab+0x9/0x20
[ 63.334481][ T600] kmem_cache_alloc_trace+0x4a/0x320
[ 63.339923][ T600] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 63.345288][ T600] pids_css_alloc+0x4e/0x120
[ 63.349866][ T600] cgroup_apply_control_enable+0x335/0x10c0
[ 63.355752][ T600] cgroup_apply_control+0x93/0x710
[ 63.360862][ T600] ? css_next_child+0x160/0x160
[ 63.365701][ T600] ? wake_bit_function+0x230/0x230
[ 63.370803][ T600] ? kernfs_fop_write_iter+0x15b/0x410
[ 63.376340][ T600] ? __kasan_check_write+0x14/0x20
[ 63.381443][ T600] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 63.386800][ T600] cgroup_subtree_control_write+0xdde/0x1340
[ 63.392854][ T600] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.398821][ T600] ? __kasan_check_write+0x14/0x20
[ 63.403913][ T600] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 63.408831][ T600] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.414874][ T600] cgroup_file_write+0x28e/0x590
[ 63.419813][ T600] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.425014][ T600] ? bit_wait_io_timeout+0x110/0x110
[ 63.430453][ T600] ? __kasan_check_write+0x14/0x20
[ 63.435824][ T600] kernfs_fop_write_iter+0x2cd/0x410
[ 63.441097][ T600] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.446192][ T600] vfs_write+0xbb4/0xf30
[ 63.450437][ T600] ? file_end_write+0x1b0/0x1b0
[ 63.455440][ T600] ? mutex_lock+0xb6/0x130
[ 63.459901][ T600] ? bit_wait_io_timeout+0x110/0x110
[ 63.465181][ T600] ? __fdget_pos+0x26d/0x310
[ 63.469755][ T600] ? ksys_write+0x77/0x2c0
[ 63.474163][ T600] ksys_write+0x198/0x2c0
[ 63.478486][ T600] ? __ia32_sys_read+0x90/0x90
[ 63.483235][ T600] ? debug_smp_processor_id+0x17/0x20
[ 63.488601][ T600] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 63.494651][ T600] __x64_sys_write+0x7b/0x90
[ 63.499310][ T600] do_syscall_64+0x2f/0x50
[ 63.503855][ T600] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 63.509826][ T600] RIP: 0033:0x7f2a75dbc249
[ 63.514220][ T600] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 63.533951][ T600] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.542449][ T600] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 63.550501][ T600] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 63.558473][ T600] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 63.566430][ T600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 63.574532][ T600] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 63.582491][ T600]
[ 63.631410][ T598] FAULT_INJECTION: forcing a failure.
[ 63.631410][ T598] name failslab, interval 1, probability 0, space 0, times 0
[ 63.644758][ T598] CPU: 1 PID: 598 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 63.655351][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 63.666091][ T598] Call Trace:
[ 63.669350][ T598]
[ 63.672265][ T598] dump_stack_lvl+0x151/0x1b7
[ 63.676927][ T598] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 63.682665][ T598] ? selinux_kernfs_init_security+0x1a8/0x760
[ 63.688714][ T598] dump_stack+0x15/0x17
[ 63.692850][ T598] should_fail+0x3c0/0x510
[ 63.697244][ T598] ? __kernfs_new_node+0x99/0x6e0
[ 63.702310][ T598] __should_failslab+0x9f/0xe0
[ 63.707077][ T598] should_failslab+0x9/0x20
[ 63.711579][ T598] __kmalloc_track_caller+0x6c/0x340
[ 63.716903][ T598] kstrdup_const+0x55/0x90
[ 63.721308][ T598] __kernfs_new_node+0x99/0x6e0
[ 63.726350][ T598] ? stack_trace_save+0x1f0/0x1f0
[ 63.731371][ T598] ? kernfs_new_node+0x170/0x170
[ 63.736304][ T598] ? ptr_to_hashval+0x60/0x60
[ 63.741055][ T598] ? arch_stack_walk+0xf8/0x140
[ 63.745896][ T598] ? snprintf+0xd6/0x120
[ 63.750401][ T598] kernfs_new_node+0x97/0x170
[ 63.755074][ T598] __kernfs_create_file+0x4a/0x270
[ 63.760312][ T598] cgroup_addrm_files+0xab8/0xfe0
[ 63.765329][ T598] ? ____kasan_kmalloc+0xdc/0x110
[ 63.770346][ T598] ? __kasan_kmalloc+0x9/0x10
[ 63.775009][ T598] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 63.780535][ T598] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 63.786672][ T598] ? delete_node+0x759/0x7b0
[ 63.791239][ T598] ? __kasan_check_read+0x11/0x20
[ 63.796251][ T598] ? delete_node+0x759/0x7b0
[ 63.800833][ T598] ? __kasan_check_write+0x14/0x20
[ 63.805929][ T598] ? idr_replace+0x1c4/0x230
[ 63.810494][ T598] ? idr_get_next+0x4b0/0x4b0
[ 63.815143][ T598] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 63.820239][ T598] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 63.825420][ T598] css_populate_dir+0x137/0x370
[ 63.830247][ T598] cgroup_apply_control_enable+0x889/0x10c0
[ 63.836122][ T598] cgroup_apply_control+0x93/0x710
[ 63.841205][ T598] ? css_next_child+0x160/0x160
[ 63.846028][ T598] ? wake_bit_function+0x230/0x230
[ 63.851124][ T598] ? kernfs_fop_write_iter+0x15b/0x410
[ 63.856566][ T598] ? __kasan_check_write+0x14/0x20
[ 63.861661][ T598] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 63.866921][ T598] cgroup_subtree_control_write+0xdde/0x1340
[ 63.872879][ T598] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.878841][ T598] ? __kasan_check_write+0x14/0x20
[ 63.883927][ T598] ? _copy_from_iter+0x360/0xed0
[ 63.888839][ T598] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 63.894792][ T598] cgroup_file_write+0x28e/0x590
[ 63.899717][ T598] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.904801][ T598] ? bit_wait_io_timeout+0x110/0x110
[ 63.910060][ T598] ? __kasan_check_write+0x14/0x20
[ 63.915147][ T598] kernfs_fop_write_iter+0x2cd/0x410
[ 63.920404][ T598] ? cgroup_seqfile_stop+0xc0/0xc0
[ 63.925488][ T598] vfs_write+0xbb4/0xf30
[ 63.929736][ T598] ? file_end_write+0x1b0/0x1b0
[ 63.934561][ T598] ? mutex_lock+0xec/0x130
[ 63.938953][ T598] ? bit_wait_io_timeout+0x110/0x110
[ 63.944211][ T598] ? __fdget_pos+0x26d/0x310
[ 63.948864][ T598] ? ksys_write+0x77/0x2c0
[ 63.953259][ T598] ksys_write+0x198/0x2c0
[ 63.957565][ T598] ? __ia32_sys_read+0x90/0x90
[ 63.962305][ T598] ? debug_smp_processor_id+0x17/0x20
[ 63.967654][ T598] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 63.973692][ T598] __x64_sys_write+0x7b/0x90
[ 63.978261][ T598] do_syscall_64+0x2f/0x50
[ 63.982750][ T598] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 63.988623][ T598] RIP: 0033:0x7f2a75dbc249
[ 63.993019][ T598] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.012829][ T598] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.021238][ T598] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 64.029201][ T598] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 64.037269][ T598] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 64.045321][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 64.053269][ T598] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 64.061315][ T598]
[ 64.064719][ T598] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 64.073580][ T432] ------------[ cut here ]------------
[ 64.079092][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 64.088610][ T432] Modules linked in:
[ 64.092527][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 64.103397][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.113550][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 64.119248][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 64.138913][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 64.145000][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 64.152985][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 64.161062][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 64.169110][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 64.177193][ T432] R13: ffff8881112fb500 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 64.185527][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 64.194486][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.201100][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 64.209146][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.217311][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.225383][ T432] Call Trace:
[ 64.228648][ T432]
[ 64.231588][ T432] ? lockref_get_or_lock+0x340/0x340
[ 64.236975][ T432] ? umount_tree+0xf40/0xf40
[ 64.241620][ T432] ? vfs_submount+0xb0/0xb0
[ 64.246238][ T432] ? dput+0x2b6/0x320
[ 64.250228][ T432] path_umount+0x1e0/0xf40
[ 64.254728][ T432] ? __kasan_slab_free+0x11/0x20
[ 64.259670][ T432] ? user_path_at_empty+0x152/0x1b0
[ 64.265165][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 64.272738][ T432] ? user_path_at_empty+0x152/0x1b0
[ 64.278140][ T432] __x64_sys_umount+0x122/0x170
[ 64.283206][ T432] ? path_umount+0xf40/0xf40
[ 64.287982][ T432] ? debug_smp_processor_id+0x17/0x20
[ 64.293401][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 64.299125][ T432] do_syscall_64+0x2f/0x50
[ 64.303698][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 64.309611][ T432] RIP: 0033:0x7f2a75dbd657
[ 64.314115][ T432] 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
[ 64.333866][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 64.342562][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 64.350808][ T432] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 64.358894][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 64.366900][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 64.375074][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 64.383066][ T432]
[ 64.386085][ T432] ---[ end trace 0000000000000000 ]---
[ 64.391610][ T432] ------------[ cut here ]------------
[ 64.397051][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1177 cleanup_mnt+0x4c5/0x510
[ 64.405595][ T432] Modules linked in:
[ 64.409481][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 64.420079][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.433516][ T432] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 64.440319][ T432] Code: 7a 9c ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ee 95 b0 ff 48 8b 7d d0 e8 b5 ff 04 00 e9 21 fd ff ff e8 db 95 b0 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 a2 80 86 80 e1 07 80 c1 03 38 c1
[ 64.461129][ T432] RSP: 0018:ffffc9000163fe18 EFLAGS: 00010293
[ 64.467287][ T432] RAX: ffffffff81bff685 RBX: ffffe8ffffd0fdec RCX: ffff88810d27d3c0
[ 64.475683][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 64.483682][ T432] RBP: ffffc9000163fe68 R08: ffffffff81bff363 R09: 0000000000000003
[ 64.491698][ T432] R10: fffff520002c7fc1 R11: 1ffff920002c7fc0 R12: ffff8881112fb550
[ 64.499714][ T432] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 64.507729][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 64.516688][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.523285][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 64.531375][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.539507][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.547507][ T432] Call Trace:
[ 64.551184][ T605] FAULT_INJECTION: forcing a failure.
[ 64.551184][ T605] name failslab, interval 1, probability 0, space 0, times 0
[ 64.551322][ T432]
[ 64.564119][ T605] CPU: 0 PID: 605 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 64.567111][ T432] __cleanup_mnt+0x19/0x20
[ 64.577275][ T605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.577286][ T605] Call Trace:
[ 64.577291][ T605]
[ 64.577296][ T605] dump_stack_lvl+0x151/0x1b7
[ 64.577316][ T605] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 64.577334][ T605] dump_stack+0x15/0x17
[ 64.612256][ T605] should_fail+0x3c0/0x510
[ 64.616685][ T605] ? pids_css_alloc+0x4e/0x120
[ 64.621433][ T605] __should_failslab+0x9f/0xe0
[ 64.626198][ T605] should_failslab+0x9/0x20
[ 64.630692][ T605] kmem_cache_alloc_trace+0x4a/0x320
[ 64.635957][ T605] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 64.641138][ T605] pids_css_alloc+0x4e/0x120
[ 64.645710][ T605] cgroup_apply_control_enable+0x335/0x10c0
[ 64.651586][ T605] cgroup_apply_control+0x93/0x710
[ 64.656692][ T605] ? css_next_child+0x160/0x160
[ 64.661540][ T605] ? wake_bit_function+0x230/0x230
[ 64.666659][ T605] ? kernfs_fop_write_iter+0x15b/0x410
[ 64.672113][ T605] ? __kasan_check_write+0x14/0x20
[ 64.677206][ T605] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 64.682475][ T605] cgroup_subtree_control_write+0xdde/0x1340
[ 64.688535][ T605] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 64.695483][ T605] ? __kasan_check_write+0x14/0x20
[ 64.701619][ T605] ? _copy_from_iter+0x360/0xed0
[ 64.706543][ T605] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 64.712513][ T605] cgroup_file_write+0x28e/0x590
[ 64.717787][ T605] ? cgroup_seqfile_stop+0xc0/0xc0
[ 64.722987][ T605] ? bit_wait_io_timeout+0x110/0x110
[ 64.728528][ T605] ? __kasan_check_write+0x14/0x20
[ 64.733622][ T605] kernfs_fop_write_iter+0x2cd/0x410
[ 64.738986][ T605] ? cgroup_seqfile_stop+0xc0/0xc0
[ 64.744084][ T605] vfs_write+0xbb4/0xf30
[ 64.748311][ T605] ? file_end_write+0x1b0/0x1b0
[ 64.753141][ T605] ? mutex_lock+0xb6/0x130
[ 64.757576][ T605] ? bit_wait_io_timeout+0x110/0x110
[ 64.762843][ T605] ? __fdget_pos+0x26d/0x310
[ 64.767414][ T605] ? ksys_write+0x77/0x2c0
[ 64.771816][ T605] ksys_write+0x198/0x2c0
[ 64.776133][ T605] ? __ia32_sys_read+0x90/0x90
[ 64.780886][ T605] ? debug_smp_processor_id+0x17/0x20
[ 64.786362][ T605] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 64.792587][ T605] __x64_sys_write+0x7b/0x90
[ 64.797161][ T605] do_syscall_64+0x2f/0x50
[ 64.801651][ T605] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 64.807532][ T605] RIP: 0033:0x7f2a75dbc249
[ 64.811932][ T605] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.831539][ T605] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.840126][ T605] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 64.848168][ T605] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 64.856128][ T605] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 64.864085][ T605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 64.872037][ T605] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 64.880088][ T605]
[ 64.883420][ T432] task_work_run+0x147/0x1b0
[ 64.890262][ T432] exit_to_user_mode_loop+0x8b/0xd0
[ 64.895655][ T432] exit_to_user_mode_prepare+0x59/0x80
[ 64.901353][ T432] syscall_exit_to_user_mode+0x24/0x40
[ 64.906999][ T432] do_syscall_64+0x3b/0x50
[ 64.911884][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 64.917784][ T432] RIP: 0033:0x7f2a75dbd657
[ 64.922460][ T432] 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
[ 64.922842][ T608] FAULT_INJECTION: forcing a failure.
[ 64.922842][ T608] name failslab, interval 1, probability 0, space 0, times 0
[ 64.942283][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 64.955060][ T608] CPU: 0 PID: 608 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 64.963457][ T432] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 64.973731][ T608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 64.973743][ T608] Call Trace:
[ 64.973748][ T608]
[ 64.973753][ T608] dump_stack_lvl+0x151/0x1b7
[ 64.973775][ T608] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 64.982223][ T432] RDX: 00007ffe15c0f9d9 RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 64.992199][ T608] ? pcpu_alloc+0xe83/0x1420
[ 64.992224][ T608] dump_stack+0x15/0x17
[ 64.992241][ T608] should_fail+0x3c0/0x510
[ 64.995720][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 64.998413][ T608] ? percpu_ref_init+0xc9/0x350
[ 64.998434][ T608] __should_failslab+0x9f/0xe0
[ 65.003354][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 65.008613][ T608] should_failslab+0x9/0x20
[ 65.008635][ T608] kmem_cache_alloc_trace+0x4a/0x320
[ 65.017014][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 65.021329][ T608] ? cgroup_setup_root+0xec0/0xec0
[ 65.021349][ T608] percpu_ref_init+0xc9/0x350
[ 65.021365][ T608] ? cgroup_setup_root+0xec0/0xec0
[ 65.026456][ T432]
[ 65.030613][ T608] cgroup_apply_control_enable+0x383/0x10c0
[ 65.030637][ T608] cgroup_apply_control+0x93/0x710
[ 65.039337][ T432] ---[ end trace 0000000000000000 ]---
[ 65.043932][ T608] ? css_next_child+0x160/0x160
[ 65.043952][ T608] ? wake_bit_function+0x230/0x230
[ 65.043968][ T608] ? kernfs_fop_write_iter+0x15b/0x410
[ 65.125277][ T608] ? __kasan_check_write+0x14/0x20
[ 65.130424][ T608] ? cgroup_kn_lock_live+0x1b0/0x2f0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 65.135715][ T608] cgroup_subtree_control_write+0xdde/0x1340
[ 65.141701][ T608] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 65.147764][ T608] ? __kasan_check_write+0x14/0x20
[ 65.152867][ T608] ? _copy_from_iter+0x360/0xed0
[ 65.157809][ T608] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 65.163780][ T608] cgroup_file_write+0x28e/0x590
[ 65.168732][ T608] ? cgroup_seqfile_stop+0xc0/0xc0
[ 65.173851][ T608] ? bit_wait_io_timeout+0x110/0x110
[ 65.179237][ T608] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 65.184346][ T608] kernfs_fop_write_iter+0x2cd/0x410
[ 65.189713][ T608] ? cgroup_seqfile_stop+0xc0/0xc0
[ 65.195033][ T608] vfs_write+0xbb4/0xf30
[ 65.199446][ T608] ? file_end_write+0x1b0/0x1b0
[ 65.204477][ T608] ? mutex_lock+0xec/0x130
[ 65.208884][ T608] ? bit_wait_io_timeout+0x110/0x110
[ 65.214153][ T608] ? __fdget_pos+0x26d/0x310
[ 65.218731][ T608] ? ksys_write+0x77/0x2c0
[ 65.223146][ T608] ksys_write+0x198/0x2c0
[ 65.227545][ T608] ? __ia32_sys_read+0x90/0x90
[ 65.232315][ T608] ? debug_smp_processor_id+0x17/0x20
[ 65.237668][ T608] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 65.243808][ T608] __x64_sys_write+0x7b/0x90
[ 65.248399][ T608] do_syscall_64+0x2f/0x50
[ 65.252801][ T608] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 65.258766][ T608] RIP: 0033:0x7f2a75dbc249
[ 65.263240][ T608] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.283147][ T608] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 65.291569][ T608] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 65.299543][ T608] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 65.307510][ T608] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 65.315464][ T608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 65.323597][ T608] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 65.331572][ T608]
[ 65.381568][ T603] FAULT_INJECTION: forcing a failure.
[ 65.381568][ T603] name failslab, interval 1, probability 0, space 0, times 0
[ 65.394483][ T603] CPU: 1 PID: 603 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 65.405165][ T603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.415209][ T603] Call Trace:
[ 65.418486][ T603]
[ 65.421406][ T603] dump_stack_lvl+0x151/0x1b7
[ 65.426066][ T603] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 65.431518][ T603] ? selinux_kernfs_init_security+0x1a8/0x760
[ 65.437581][ T603] dump_stack+0x15/0x17
[ 65.441734][ T603] should_fail+0x3c0/0x510
[ 65.446174][ T603] ? __kernfs_new_node+0x99/0x6e0
[ 65.451195][ T603] __should_failslab+0x9f/0xe0
[ 65.455966][ T603] should_failslab+0x9/0x20
[ 65.460476][ T603] __kmalloc_track_caller+0x6c/0x340
[ 65.465792][ T603] kstrdup_const+0x55/0x90
[ 65.470303][ T603] __kernfs_new_node+0x99/0x6e0
[ 65.475150][ T603] ? stack_trace_save+0x1f0/0x1f0
[ 65.480184][ T603] ? kernfs_new_node+0x170/0x170
[ 65.485106][ T603] ? ptr_to_hashval+0x60/0x60
[ 65.489944][ T603] ? arch_stack_walk+0xf8/0x140
[ 65.494777][ T603] ? snprintf+0xd6/0x120
[ 65.499263][ T603] kernfs_new_node+0x97/0x170
[ 65.503924][ T603] __kernfs_create_file+0x4a/0x270
[ 65.509029][ T603] cgroup_addrm_files+0xab8/0xfe0
[ 65.514035][ T603] ? ____kasan_kmalloc+0xdc/0x110
[ 65.519137][ T603] ? __kasan_kmalloc+0x9/0x10
[ 65.523796][ T603] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 65.529324][ T603] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 65.535460][ T603] ? delete_node+0x759/0x7b0
[ 65.540042][ T603] ? __kasan_check_read+0x11/0x20
[ 65.545069][ T603] ? delete_node+0x759/0x7b0
[ 65.549735][ T603] ? __kasan_check_write+0x14/0x20
[ 65.554829][ T603] ? idr_replace+0x1c4/0x230
[ 65.559401][ T603] ? idr_get_next+0x4b0/0x4b0
[ 65.564075][ T603] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 65.569095][ T603] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 65.574293][ T603] css_populate_dir+0x137/0x370
[ 65.579134][ T603] cgroup_apply_control_enable+0x889/0x10c0
[ 65.585360][ T603] cgroup_apply_control+0x93/0x710
[ 65.590475][ T603] ? css_next_child+0x160/0x160
[ 65.595303][ T603] ? wake_bit_function+0x230/0x230
[ 65.600398][ T603] ? kernfs_fop_write_iter+0x15b/0x410
[ 65.605836][ T603] ? __kasan_check_write+0x14/0x20
[ 65.610940][ T603] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 65.616217][ T603] cgroup_subtree_control_write+0xdde/0x1340
[ 65.622182][ T603] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 65.628144][ T603] ? __kasan_check_write+0x14/0x20
[ 65.633237][ T603] ? _copy_from_iter+0x360/0xed0
[ 65.638158][ T603] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 65.644130][ T603] cgroup_file_write+0x28e/0x590
[ 65.649059][ T603] ? cgroup_seqfile_stop+0xc0/0xc0
[ 65.654151][ T603] ? bit_wait_io_timeout+0x110/0x110
[ 65.659429][ T603] ? __kasan_check_write+0x14/0x20
[ 65.664535][ T603] kernfs_fop_write_iter+0x2cd/0x410
[ 65.669897][ T603] ? cgroup_seqfile_stop+0xc0/0xc0
[ 65.674988][ T603] vfs_write+0xbb4/0xf30
[ 65.679562][ T603] ? file_end_write+0x1b0/0x1b0
[ 65.684396][ T603] ? mutex_lock+0xec/0x130
[ 65.688796][ T603] ? bit_wait_io_timeout+0x110/0x110
[ 65.694064][ T603] ? __fdget_pos+0x26d/0x310
[ 65.698633][ T603] ? ksys_write+0x77/0x2c0
[ 65.703038][ T603] ksys_write+0x198/0x2c0
[ 65.707356][ T603] ? __ia32_sys_read+0x90/0x90
[ 65.712211][ T603] ? debug_smp_processor_id+0x17/0x20
[ 65.717681][ T603] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 65.723844][ T603] __x64_sys_write+0x7b/0x90
[ 65.728510][ T603] do_syscall_64+0x2f/0x50
[ 65.732925][ T603] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 65.738799][ T603] RIP: 0033:0x7f2a75dbc249
[ 65.743284][ T603] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.762872][ T603] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 65.771277][ T603] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 65.779231][ T603] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 65.787205][ T603] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 65.795348][ T603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 65.803302][ T603] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 65.811283][ T603]
[ 65.814778][ T603] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 65.861234][ T596] FAULT_INJECTION: forcing a failure.
[ 65.861234][ T596] name failslab, interval 1, probability 0, space 0, times 0
[ 65.874109][ T596] CPU: 0 PID: 596 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 65.885043][ T596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.895188][ T596] Call Trace:
[ 65.898635][ T596]
[ 65.901660][ T596] dump_stack_lvl+0x151/0x1b7
[ 65.906492][ T596] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 65.911958][ T596] ? pcpu_alloc+0xe83/0x1420
[ 65.916621][ T596] dump_stack+0x15/0x17
[ 65.920874][ T596] should_fail+0x3c0/0x510
[ 65.925375][ T596] ? percpu_ref_init+0xc9/0x350
[ 65.930219][ T596] __should_failslab+0x9f/0xe0
[ 65.934983][ T596] should_failslab+0x9/0x20
[ 65.939495][ T596] kmem_cache_alloc_trace+0x4a/0x320
[ 65.944856][ T596] ? cgroup_setup_root+0xec0/0xec0
[ 65.950129][ T596] percpu_ref_init+0xc9/0x350
[ 65.954798][ T596] ? cgroup_setup_root+0xec0/0xec0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 65.960180][ T596] cgroup_apply_control_enable+0x383/0x10c0
[ 65.966529][ T596] cgroup_apply_control+0x93/0x710
[ 65.971832][ T596] ? css_next_child+0x160/0x160
[ 65.976691][ T596] ? wake_bit_function+0x230/0x230
[ 65.981890][ T596] ? kernfs_fop_write_iter+0x15b/0x410
[ 65.987436][ T596] ? __kasan_check_write+0x14/0x20
[ 65.992536][ T596] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 65.997803][ T596] cgroup_subtree_control_write+0xdde/0x1340
[ 66.003764][ T596] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 66.009741][ T596] ? __kasan_check_write+0x14/0x20
[ 66.014846][ T596] ? _copy_from_iter+0x360/0xed0
[ 66.019775][ T596] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 66.025739][ T596] cgroup_file_write+0x28e/0x590
[ 66.030659][ T596] ? cgroup_seqfile_stop+0xc0/0xc0
[ 66.035752][ T596] ? bit_wait_io_timeout+0x110/0x110
[ 66.041031][ T596] ? __kasan_check_write+0x14/0x20
[ 66.046132][ T596] kernfs_fop_write_iter+0x2cd/0x410
[ 66.051403][ T596] ? cgroup_seqfile_stop+0xc0/0xc0
[ 66.056500][ T596] vfs_write+0xbb4/0xf30
[ 66.060744][ T596] ? file_end_write+0x1b0/0x1b0
[ 66.065602][ T596] ? mutex_lock+0xb6/0x130
[ 66.070032][ T596] ? bit_wait_io_timeout+0x110/0x110
[ 66.075312][ T596] ? __fdget_pos+0x26d/0x310
[ 66.079888][ T596] ? ksys_write+0x77/0x2c0
[ 66.084291][ T596] ksys_write+0x198/0x2c0
[ 66.088622][ T596] ? __ia32_sys_read+0x90/0x90
[ 66.093461][ T596] ? debug_smp_processor_id+0x17/0x20
[ 66.098923][ T596] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 66.105003][ T596] __x64_sys_write+0x7b/0x90
[ 66.109597][ T596] do_syscall_64+0x2f/0x50
[ 66.114007][ T596] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 66.119886][ T596] RIP: 0033:0x7f2a75dbc249
[ 66.124289][ T596] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 66.144140][ T596] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 66.152553][ T596] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 66.160521][ T596] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 66.168606][ T596] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 66.176571][ T596] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 66.184820][ T596] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 66.192780][ T596]
[ 66.198180][ T434] ------------[ cut here ]------------
[ 66.203706][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 66.212681][ T434] Modules linked in:
[ 66.216561][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 66.229534][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.239628][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 66.245292][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 66.264917][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 66.271134][ T434] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27a180
[ 66.279306][ T434] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 66.287310][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 66.295301][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 66.303396][ T434] R13: ffff8881112fa000 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 66.311388][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 66.320299][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 66.326890][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 66.334986][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 66.343001][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 66.350977][ T434] Call Trace:
[ 66.354270][ T434]
[ 66.357201][ T434] ? __kasan_check_write+0x14/0x20
[ 66.362337][ T434] ? up_write+0xa1/0x190
[ 66.366575][ T434] ? vfs_submount+0xb0/0xb0
[ 66.371108][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 66.376647][ T434] namespace_unlock+0x448/0x4f0
[ 66.381507][ T434] ? umount_tree+0xf40/0xf40
[ 66.386107][ T434] ? __detach_mounts+0x670/0x670
[ 66.391075][ T434] ? selinux_umount+0xf3/0x130
[ 66.395838][ T434] ? security_sb_umount+0x9d/0xb0
[ 66.400899][ T434] path_umount+0xe89/0xf40
[ 66.405327][ T434] ? __kasan_slab_free+0x11/0x20
[ 66.410287][ T434] ? user_path_at_empty+0x152/0x1b0
[ 66.415592][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 66.420629][ T434] ? user_path_at_empty+0x152/0x1b0
[ 66.426036][ T434] __x64_sys_umount+0x122/0x170
[ 66.431403][ T434] ? path_umount+0xf40/0xf40
[ 66.436072][ T434] ? debug_smp_processor_id+0x17/0x20
[ 66.441470][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 66.447115][ T434] do_syscall_64+0x2f/0x50
[ 66.451570][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 66.457637][ T434] RIP: 0033:0x7f2a75dbd657
[ 66.462178][ T434] 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
[ 66.482498][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 66.490929][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 66.498896][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 66.506904][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 66.514888][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 66.522880][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 66.531141][ T434]
[ 66.534185][ T434] ---[ end trace 0000000000000000 ]---
[ 66.540277][ T434] ------------[ cut here ]------------
[ 66.545752][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 66.554984][ T434] Modules linked in:
[ 66.558859][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 66.569481][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.579664][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 66.585939][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 66.605804][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 66.611975][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 66.619960][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 66.627950][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 66.635936][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 66.643942][ T434] R13: ffff8881112fa000 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 66.651941][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 66.660887][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 66.667475][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 66.675472][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 66.683450][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 66.691531][ T434] Call Trace:
[ 66.694799][ T434]
[ 66.697719][ T434] ? lockref_get_or_lock+0x340/0x340
[ 66.703046][ T434] ? umount_tree+0xf40/0xf40
[ 66.707631][ T434] ? vfs_submount+0xb0/0xb0
[ 66.712150][ T434] ? dput+0x2b6/0x320
[ 66.716135][ T434] path_umount+0x1e0/0xf40
[ 66.720565][ T434] ? __kasan_slab_free+0x11/0x20
[ 66.725535][ T434] ? user_path_at_empty+0x152/0x1b0
[ 66.730726][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 66.735762][ T434] ? user_path_at_empty+0x152/0x1b0
[ 66.740958][ T434] __x64_sys_umount+0x122/0x170
[ 66.745799][ T434] ? path_umount+0xf40/0xf40
[ 66.750370][ T434] ? debug_smp_processor_id+0x17/0x20
[ 66.755738][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 66.761379][ T434] do_syscall_64+0x2f/0x50
[ 66.765783][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 66.771703][ T434] RIP: 0033:0x7f2a75dbd657
[ 66.776100][ T434] 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
[ 66.795792][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 66.804211][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 66.812186][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 66.820151][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 66.828436][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 66.836502][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 66.844479][ T434]
[ 66.847568][ T434] ---[ end trace 0000000000000000 ]---
[ 66.871356][ T619] FAULT_INJECTION: forcing a failure.
[ 66.871356][ T619] name failslab, interval 1, probability 0, space 0, times 0
[ 66.884275][ T619] CPU: 0 PID: 619 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 66.894913][ T619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.905068][ T619] Call Trace:
[ 66.908374][ T619]
[ 66.911373][ T619] dump_stack_lvl+0x151/0x1b7
[ 66.916042][ T619] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 66.921541][ T619] dump_stack+0x15/0x17
[ 66.925672][ T619] should_fail+0x3c0/0x510
[ 66.930075][ T619] ? pids_css_alloc+0x4e/0x120
[ 66.934816][ T619] __should_failslab+0x9f/0xe0
[ 66.939556][ T619] should_failslab+0x9/0x20
[ 66.944044][ T619] kmem_cache_alloc_trace+0x4a/0x320
[ 66.949330][ T619] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 66.954541][ T619] pids_css_alloc+0x4e/0x120
[ 66.959135][ T619] cgroup_apply_control_enable+0x335/0x10c0
[ 66.965028][ T619] cgroup_apply_control+0x93/0x710
[ 66.970216][ T619] ? css_next_child+0x160/0x160
[ 66.975046][ T619] ? wake_bit_function+0x230/0x230
[ 66.980133][ T619] ? kernfs_fop_write_iter+0x15b/0x410
[ 66.985588][ T619] ? __kasan_check_write+0x14/0x20
[ 66.990761][ T619] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 66.996031][ T619] cgroup_subtree_control_write+0xdde/0x1340
[ 67.001988][ T619] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.007945][ T619] ? __kasan_check_write+0x14/0x20
[ 67.013032][ T619] ? _copy_from_iter+0x360/0xed0
[ 67.018043][ T619] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.023998][ T619] cgroup_file_write+0x28e/0x590
[ 67.028945][ T619] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.034245][ T619] ? bit_wait_io_timeout+0x110/0x110
[ 67.039515][ T619] ? __kasan_check_write+0x14/0x20
[ 67.044619][ T619] kernfs_fop_write_iter+0x2cd/0x410
[ 67.049970][ T619] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.055069][ T619] vfs_write+0xbb4/0xf30
[ 67.059338][ T619] ? file_end_write+0x1b0/0x1b0
[ 67.064265][ T619] ? mutex_lock+0xec/0x130
[ 67.068678][ T619] ? bit_wait_io_timeout+0x110/0x110
[ 67.073946][ T619] ? __fdget_pos+0x26d/0x310
[ 67.078518][ T619] ? ksys_write+0x77/0x2c0
[ 67.082955][ T619] ksys_write+0x198/0x2c0
[ 67.087294][ T619] ? __ia32_sys_read+0x90/0x90
[ 67.092174][ T619] ? debug_smp_processor_id+0x17/0x20
[ 67.097644][ T619] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 67.103695][ T619] __x64_sys_write+0x7b/0x90
[ 67.108368][ T619] do_syscall_64+0x2f/0x50
[ 67.112881][ T619] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 67.118754][ T619] RIP: 0033:0x7f2a75dbc249
[ 67.123149][ T619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 67.142758][ T619] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 67.151349][ T619] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 67.159430][ T619] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 67.167567][ T619] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 67.175540][ T619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 67.183579][ T619] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 67.191531][ T619]
[ 67.231225][ T610] FAULT_INJECTION: forcing a failure.
[ 67.231225][ T610] name failslab, interval 1, probability 0, space 0, times 0
[ 67.244126][ T610] CPU: 1 PID: 610 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 67.254886][ T610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.264929][ T610] Call Trace:
[ 67.268223][ T610]
[ 67.271143][ T610] dump_stack_lvl+0x151/0x1b7
[ 67.275806][ T610] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 67.281247][ T610] ? pcpu_alloc+0xe83/0x1420
[ 67.285912][ T610] dump_stack+0x15/0x17
[ 67.290045][ T610] should_fail+0x3c0/0x510
[ 67.294447][ T610] ? percpu_ref_init+0xc9/0x350
[ 67.299295][ T610] __should_failslab+0x9f/0xe0
[ 67.304044][ T610] should_failslab+0x9/0x20
[ 67.308555][ T610] kmem_cache_alloc_trace+0x4a/0x320
[ 67.313830][ T610] ? cgroup_setup_root+0xec0/0xec0
[ 67.318937][ T610] percpu_ref_init+0xc9/0x350
[ 67.323599][ T610] ? cgroup_setup_root+0xec0/0xec0
[ 67.328863][ T610] cgroup_apply_control_enable+0x383/0x10c0
[ 67.334750][ T610] cgroup_apply_control+0x93/0x710
[ 67.339841][ T610] ? css_next_child+0x160/0x160
[ 67.344675][ T610] ? wake_bit_function+0x230/0x230
[ 67.349803][ T610] ? kernfs_fop_write_iter+0x15b/0x410
[ 67.355267][ T610] ? __kasan_check_write+0x14/0x20
[ 67.360444][ T610] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 67.365722][ T610] cgroup_subtree_control_write+0xdde/0x1340
[ 67.371702][ T610] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.377675][ T610] ? __kasan_check_write+0x14/0x20
[ 67.382773][ T610] ? _copy_from_iter+0x360/0xed0
[ 67.387707][ T610] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.393672][ T610] cgroup_file_write+0x28e/0x590
[ 67.398602][ T610] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.403779][ T610] ? bit_wait_io_timeout+0x110/0x110
[ 67.409049][ T610] ? __kasan_check_write+0x14/0x20
[ 67.414145][ T610] kernfs_fop_write_iter+0x2cd/0x410
[ 67.419414][ T610] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.424519][ T610] vfs_write+0xbb4/0xf30
[ 67.428864][ T610] ? file_end_write+0x1b0/0x1b0
[ 67.433797][ T610] ? mutex_lock+0xb6/0x130
[ 67.438211][ T610] ? bit_wait_io_timeout+0x110/0x110
[ 67.443487][ T610] ? __fdget_pos+0x26d/0x310
[ 67.448061][ T610] ? ksys_write+0x77/0x2c0
[ 67.452459][ T610] ksys_write+0x198/0x2c0
[ 67.456817][ T610] ? __ia32_sys_read+0x90/0x90
[ 67.461564][ T610] ? debug_smp_processor_id+0x17/0x20
[ 67.466921][ T610] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 67.472968][ T610] __x64_sys_write+0x7b/0x90
[ 67.477541][ T610] do_syscall_64+0x2f/0x50
[ 67.481941][ T610] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 67.487826][ T610] RIP: 0033:0x7f2a75dbc249
[ 67.492226][ T610] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 67.511823][ T610] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 67.520237][ T610] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 67.528193][ T610] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 67.536146][ T610] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 67.544098][ T610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 67.552063][ T610] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 67.560119][ T610]
[ 67.601297][ T624] FAULT_INJECTION: forcing a failure.
[ 67.601297][ T624] name failslab, interval 1, probability 0, space 0, times 0
[ 67.614593][ T624] CPU: 1 PID: 624 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 67.625170][ T624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.635225][ T624] Call Trace:
[ 67.638586][ T624]
[ 67.641517][ T624] dump_stack_lvl+0x151/0x1b7
[ 67.646201][ T624] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 67.651654][ T624] dump_stack+0x15/0x17
[ 67.655803][ T624] should_fail+0x3c0/0x510
[ 67.660220][ T624] ? pids_css_alloc+0x4e/0x120
[ 67.664971][ T624] __should_failslab+0x9f/0xe0
[ 67.669729][ T624] should_failslab+0x9/0x20
[ 67.674580][ T624] kmem_cache_alloc_trace+0x4a/0x320
[ 67.679884][ T624] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 67.685077][ T624] pids_css_alloc+0x4e/0x120
[ 67.689842][ T624] cgroup_apply_control_enable+0x335/0x10c0
[ 67.695752][ T624] cgroup_apply_control+0x93/0x710
[ 67.700851][ T624] ? css_next_child+0x160/0x160
[ 67.705697][ T624] ? wake_bit_function+0x230/0x230
[ 67.710883][ T624] ? kernfs_fop_write_iter+0x15b/0x410
[ 67.716319][ T624] ? __kasan_check_write+0x14/0x20
[ 67.721418][ T624] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 67.726681][ T624] cgroup_subtree_control_write+0xdde/0x1340
[ 67.732728][ T624] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.738699][ T624] ? __kasan_check_write+0x14/0x20
[ 67.743791][ T624] ? _copy_from_iter+0x360/0xed0
[ 67.749057][ T624] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 67.755028][ T624] cgroup_file_write+0x28e/0x590
[ 67.759954][ T624] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.765134][ T624] ? bit_wait_io_timeout+0x110/0x110
[ 67.770396][ T624] ? __kasan_check_write+0x14/0x20
[ 67.775493][ T624] kernfs_fop_write_iter+0x2cd/0x410
[ 67.780784][ T624] ? cgroup_seqfile_stop+0xc0/0xc0
[ 67.785909][ T624] vfs_write+0xbb4/0xf30
[ 67.790139][ T624] ? file_end_write+0x1b0/0x1b0
[ 67.794969][ T624] ? mutex_lock+0xb6/0x130
[ 67.799401][ T624] ? bit_wait_io_timeout+0x110/0x110
[ 67.804987][ T624] ? __fdget_pos+0x26d/0x310
[ 67.809689][ T624] ? ksys_write+0x77/0x2c0
[ 67.814136][ T624] ksys_write+0x198/0x2c0
[ 67.818449][ T624] ? save_fpregs_to_fpstate+0x210/0x210
[ 67.823981][ T624] ? __ia32_sys_read+0x90/0x90
[ 67.828925][ T624] ? debug_smp_processor_id+0x17/0x20
[ 67.834284][ T624] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 67.840341][ T624] __x64_sys_write+0x7b/0x90
[ 67.844920][ T624] do_syscall_64+0x2f/0x50
[ 67.849578][ T624] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 67.855452][ T624] RIP: 0033:0x7f2a75dbc249
[ 67.859862][ T624] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 67.879572][ T624] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 67.887973][ T624] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 67.895934][ T624] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 67.903892][ T624] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 67.911865][ T624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 67.919836][ T624] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 67.927810][ T624]
[ 67.932891][ T434] ------------[ cut here ]------------
[ 67.938512][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 67.947515][ T434] Modules linked in:
[ 67.951424][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 67.962031][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.972112][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 67.977753][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 67.997413][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 68.003499][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 68.011585][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 68.019562][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 68.027691][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 68.035692][ T434] R13: ffff888110881500 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 68.043719][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 68.052666][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.059242][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 68.067229][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 68.075223][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 68.083348][ T434] Call Trace:
[ 68.086716][ T434]
[ 68.089646][ T434] ? __kasan_check_write+0x14/0x20
[ 68.094901][ T434] ? up_write+0xa1/0x190
[ 68.099138][ T434] ? vfs_submount+0xb0/0xb0
[ 68.103853][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 68.109496][ T434] namespace_unlock+0x448/0x4f0
[ 68.114475][ T434] ? umount_tree+0xf40/0xf40
[ 68.119082][ T434] ? __detach_mounts+0x670/0x670
[ 68.124060][ T434] ? selinux_umount+0xf3/0x130
[ 68.128933][ T434] ? security_sb_umount+0x9d/0xb0
[ 68.134235][ T434] path_umount+0xe89/0xf40
[ 68.138666][ T434] ? __kasan_slab_free+0x11/0x20
[ 68.143640][ T434] ? user_path_at_empty+0x152/0x1b0
[ 68.148949][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 68.154117][ T434] ? user_path_at_empty+0x152/0x1b0
[ 68.159416][ T434] __x64_sys_umount+0x122/0x170
[ 68.164301][ T434] ? path_umount+0xf40/0xf40
[ 68.168895][ T434] ? debug_smp_processor_id+0x17/0x20
[ 68.174721][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 68.180443][ T434] do_syscall_64+0x2f/0x50
[ 68.184897][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 68.190815][ T434] RIP: 0033:0x7f2a75dbd657
[ 68.195346][ T434] 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
[ 68.215204][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 68.223659][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 68.231739][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 68.239708][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 68.247798][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 68.255808][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 68.263944][ T434]
[ 68.266977][ T434] ---[ end trace 0000000000000000 ]---
[ 68.272498][ T434] ------------[ cut here ]------------
[ 68.277940][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 68.286922][ T434] Modules linked in:
[ 68.290833][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 68.301674][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 68.312061][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 68.317686][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 68.337326][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 68.343416][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d27a180
[ 68.351493][ T434] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 68.359549][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 68.367566][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 68.375569][ T434] R13: ffff888110881500 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 68.383608][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 68.393582][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.400170][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 68.408378][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 68.416453][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 68.424606][ T434] Call Trace:
[ 68.428119][ T434]
[ 68.431076][ T434] ? lockref_get_or_lock+0x340/0x340
[ 68.436365][ T434] ? umount_tree+0xf40/0xf40
[ 68.440990][ T434] ? vfs_submount+0xb0/0xb0
[ 68.445578][ T434] ? dput+0x2b6/0x320
[ 68.449563][ T434] path_umount+0x1e0/0xf40
[ 68.454007][ T434] ? __kasan_slab_free+0x11/0x20
[ 68.458946][ T434] ? user_path_at_empty+0x152/0x1b0
[ 68.464185][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 68.469222][ T434] ? user_path_at_empty+0x152/0x1b0
[ 68.474445][ T434] __x64_sys_umount+0x122/0x170
[ 68.479306][ T434] ? path_umount+0xf40/0xf40
[ 68.483918][ T434] ? debug_smp_processor_id+0x17/0x20
[ 68.489376][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 68.495137][ T434] do_syscall_64+0x2f/0x50
[ 68.499570][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 68.505514][ T434] RIP: 0033:0x7f2a75dbd657
[ 68.509927][ T434] 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
[ 68.529566][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 68.538033][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 68.546027][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 68.554011][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 68.562000][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 68.569967][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 68.578155][ T434]
[ 68.581199][ T434] ---[ end trace 0000000000000000 ]---
[ 68.601298][ T585] FAULT_INJECTION: forcing a failure.
[ 68.601298][ T585] name failslab, interval 1, probability 0, space 0, times 0
[ 68.614434][ T585] CPU: 0 PID: 585 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 68.625005][ T585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 68.635048][ T585] Call Trace:
[ 68.638315][ T585]
[ 68.641237][ T585] dump_stack_lvl+0x151/0x1b7
[ 68.645916][ T585] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 68.651357][ T585] ? pcpu_alloc+0xe83/0x1420
[ 68.656046][ T585] dump_stack+0x15/0x17
[ 68.660234][ T585] should_fail+0x3c0/0x510
[ 68.664669][ T585] ? percpu_ref_init+0xc9/0x350
[ 68.669611][ T585] __should_failslab+0x9f/0xe0
[ 68.674368][ T585] should_failslab+0x9/0x20
[ 68.678857][ T585] kmem_cache_alloc_trace+0x4a/0x320
[ 68.684128][ T585] ? cgroup_setup_root+0xec0/0xec0
[ 68.689346][ T585] percpu_ref_init+0xc9/0x350
[ 68.694117][ T585] ? cgroup_setup_root+0xec0/0xec0
[ 68.699254][ T585] cgroup_apply_control_enable+0x383/0x10c0
[ 68.705236][ T585] cgroup_apply_control+0x93/0x710
[ 68.710602][ T585] ? css_next_child+0x160/0x160
[ 68.715434][ T585] ? wake_bit_function+0x230/0x230
[ 68.720529][ T585] ? kernfs_fop_write_iter+0x15b/0x410
[ 68.725971][ T585] ? __kasan_check_write+0x14/0x20
[ 68.731076][ T585] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 68.736430][ T585] cgroup_subtree_control_write+0xdde/0x1340
[ 68.742417][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 68.748387][ T585] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 68.753497][ T585] ? _copy_from_iter+0x360/0xed0
[ 68.758441][ T585] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 68.764674][ T585] cgroup_file_write+0x28e/0x590
[ 68.769615][ T585] ? cgroup_seqfile_stop+0xc0/0xc0
[ 68.774808][ T585] ? bit_wait_io_timeout+0x110/0x110
[ 68.780076][ T585] ? __kasan_check_write+0x14/0x20
[ 68.785169][ T585] kernfs_fop_write_iter+0x2cd/0x410
[ 68.790434][ T585] ? cgroup_seqfile_stop+0xc0/0xc0
[ 68.795542][ T585] vfs_write+0xbb4/0xf30
[ 68.799766][ T585] ? file_end_write+0x1b0/0x1b0
[ 68.804608][ T585] ? mutex_lock+0xec/0x130
[ 68.809014][ T585] ? bit_wait_io_timeout+0x110/0x110
[ 68.814293][ T585] ? __fdget_pos+0x26d/0x310
[ 68.818864][ T585] ? ksys_write+0x77/0x2c0
[ 68.823363][ T585] ksys_write+0x198/0x2c0
[ 68.827676][ T585] ? __ia32_sys_read+0x90/0x90
[ 68.832463][ T585] ? debug_smp_processor_id+0x17/0x20
[ 68.837814][ T585] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 68.843873][ T585] __x64_sys_write+0x7b/0x90
[ 68.848447][ T585] do_syscall_64+0x2f/0x50
[ 68.852863][ T585] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 68.858737][ T585] RIP: 0033:0x7f2a75dbc249
[ 68.863222][ T585] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 68.883269][ T585] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 68.891661][ T585] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 68.899626][ T585] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 68.907674][ T585] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 68.915641][ T585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 68.923680][ T585] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 68.931733][ T585]
[ 68.981350][ T627] FAULT_INJECTION: forcing a failure.
[ 68.981350][ T627] name failslab, interval 1, probability 0, space 0, times 0
[ 68.994976][ T627] CPU: 0 PID: 627 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 69.005573][ T627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 69.015850][ T627] Call Trace:
[ 69.019120][ T627]
[ 69.022216][ T627] dump_stack_lvl+0x151/0x1b7
[ 69.026905][ T627] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 69.032430][ T627] ? pcpu_alloc+0xe83/0x1420
[ 69.037023][ T627] dump_stack+0x15/0x17
[ 69.041300][ T627] should_fail+0x3c0/0x510
[ 69.045715][ T627] ? percpu_ref_init+0xc9/0x350
[ 69.050555][ T627] __should_failslab+0x9f/0xe0
[ 69.055304][ T627] should_failslab+0x9/0x20
[ 69.059837][ T627] kmem_cache_alloc_trace+0x4a/0x320
[ 69.065116][ T627] ? cgroup_setup_root+0xec0/0xec0
[ 69.070290][ T627] percpu_ref_init+0xc9/0x350
[ 69.074956][ T627] ? cgroup_setup_root+0xec0/0xec0
[ 69.080046][ T627] cgroup_apply_control_enable+0x383/0x10c0
[ 69.085932][ T627] cgroup_apply_control+0x93/0x710
[ 69.091040][ T627] ? css_next_child+0x160/0x160
[ 69.096059][ T627] ? wake_bit_function+0x230/0x230
[ 69.101156][ T627] ? kernfs_fop_write_iter+0x15b/0x410
[ 69.106611][ T627] ? __kasan_check_write+0x14/0x20
[ 69.112064][ T627] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 69.117473][ T627] cgroup_subtree_control_write+0xdde/0x1340
[ 69.123452][ T627] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 69.129568][ T627] ? __kasan_check_write+0x14/0x20
[ 69.134674][ T627] ? _copy_from_iter+0x360/0xed0
[ 69.139596][ T627] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 69.145913][ T627] cgroup_file_write+0x28e/0x590
[ 69.150833][ T627] ? cgroup_seqfile_stop+0xc0/0xc0
[ 69.155948][ T627] ? bit_wait_io_timeout+0x110/0x110
[ 69.161225][ T627] ? __kasan_check_write+0x14/0x20
[ 69.166444][ T627] kernfs_fop_write_iter+0x2cd/0x410
[ 69.171735][ T627] ? cgroup_seqfile_stop+0xc0/0xc0
[ 69.176917][ T627] vfs_write+0xbb4/0xf30
[ 69.181145][ T627] ? file_end_write+0x1b0/0x1b0
[ 69.185976][ T627] ? mutex_lock+0xec/0x130
[ 69.190377][ T627] ? bit_wait_io_timeout+0x110/0x110
[ 69.195646][ T627] ? __fdget_pos+0x26d/0x310
[ 69.200218][ T627] ? ksys_write+0x77/0x2c0
[ 69.204618][ T627] ksys_write+0x198/0x2c0
[ 69.208930][ T627] ? __ia32_sys_read+0x90/0x90
[ 69.213675][ T627] ? debug_smp_processor_id+0x17/0x20
[ 69.219166][ T627] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 69.225324][ T627] __x64_sys_write+0x7b/0x90
[ 69.230100][ T627] do_syscall_64+0x2f/0x50
[ 69.234501][ T627] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 69.240382][ T627] RIP: 0033:0x7f2a75dbc249
[ 69.244777][ T627] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 69.264715][ T627] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 69.273114][ T627] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 69.281304][ T627] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 69.289287][ T627] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 69.297264][ T627] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 69.305234][ T627] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 69.313207][ T627]
[ 69.319414][ T429] ------------[ cut here ]------------
[ 69.324975][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 69.334057][ T429] Modules linked in:
[ 69.337942][ T429] CPU: 0 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 69.348710][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 69.358817][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 69.364482][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 69.384113][ T429] RSP: 0018:ffffc9000160fba0 EFLAGS: 00010293
[ 69.390204][ T429] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810dd310c0
[ 69.398207][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 69.406232][ T429] RBP: ffffc9000160fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 69.414237][ T429] R10: fffff520002c1f65 R11: 1ffff920002c1f64 R12: dffffc0000000000
[ 69.422254][ T429] R13: ffff888110880d80 R14: ffffc9000160fc00 R15: 1ffff920002c1f7c
[ 69.430311][ T429] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 69.439365][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.445982][ T429] CR2: 0000555556619738 CR3: 0000000120e48000 CR4: 00000000003506b0
[ 69.454068][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 69.462057][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 69.470192][ T429] Call Trace:
[ 69.473527][ T429]
[ 69.476464][ T429] ? __kasan_check_write+0x14/0x20
[ 69.481690][ T429] ? up_write+0xa1/0x190
[ 69.485941][ T429] ? vfs_submount+0xb0/0xb0
[ 69.490439][ T429] ? change_mnt_propagation+0x8de/0xbc0
[ 69.496012][ T429] namespace_unlock+0x448/0x4f0
[ 69.500886][ T429] ? umount_tree+0xf40/0xf40
[ 69.505485][ T429] ? __detach_mounts+0x670/0x670
[ 69.510530][ T429] ? selinux_umount+0xf3/0x130
[ 69.515368][ T429] ? security_sb_umount+0x9d/0xb0
[ 69.520398][ T429] path_umount+0xe89/0xf40
[ 69.524968][ T429] ? __kasan_slab_free+0x11/0x20
[ 69.529951][ T429] ? user_path_at_empty+0x152/0x1b0
[ 69.535185][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 69.540317][ T429] ? user_path_at_empty+0x152/0x1b0
[ 69.545554][ T429] __x64_sys_umount+0x122/0x170
[ 69.550411][ T429] ? path_umount+0xf40/0xf40
[ 69.555051][ T429] ? debug_smp_processor_id+0x17/0x20
[ 69.560420][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 69.566066][ T429] do_syscall_64+0x2f/0x50
[ 69.570478][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 69.576402][ T429] RIP: 0033:0x7f2a75dbd657
[ 69.580837][ 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
[ 69.600476][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 69.608907][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 69.616905][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 69.625003][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 69.633131][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 69.641486][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 69.649457][ T429]
[ 69.652500][ T429] ---[ end trace 0000000000000000 ]---
[ 69.658275][ T429] ------------[ cut here ]------------
[ 69.663784][ T429] WARNING: CPU: 0 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 69.672754][ T429] Modules linked in:
[ 69.676644][ T429] CPU: 0 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 69.687331][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 69.697394][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 69.703056][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 69.722931][ T429] RSP: 0018:ffffc9000160fca0 EFLAGS: 00010293
[ 69.728996][ T429] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810dd310c0
[ 69.736983][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 69.744974][ T429] RBP: ffffc9000160fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 69.752964][ T429] R10: fffff520002c1f85 R11: 1ffff920002c1f84 R12: dffffc0000000000
[ 69.760950][ T429] R13: ffff888110880d80 R14: ffffc9000160fd00 R15: 1ffff920002c1f9c
[ 69.768929][ T429] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 69.777870][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.784460][ T429] CR2: 0000555556619738 CR3: 0000000120e48000 CR4: 00000000003506b0
[ 69.792437][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 69.800399][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 69.808367][ T429] Call Trace:
[ 69.811645][ T429]
[ 69.814567][ T429] ? lockref_get_or_lock+0x340/0x340
[ 69.819844][ T429] ? umount_tree+0xf40/0xf40
[ 69.824555][ T429] ? vfs_submount+0xb0/0xb0
[ 69.829046][ T429] ? dput+0x2b6/0x320
[ 69.833032][ T429] path_umount+0x1e0/0xf40
[ 69.837433][ T429] ? __kasan_slab_free+0x11/0x20
[ 69.842369][ T429] ? user_path_at_empty+0x152/0x1b0
[ 69.847556][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 69.852605][ T429] ? user_path_at_empty+0x152/0x1b0
[ 69.857801][ T429] __x64_sys_umount+0x122/0x170
[ 69.862652][ T429] ? path_umount+0xf40/0xf40
[ 69.867225][ T429] ? debug_smp_processor_id+0x17/0x20
[ 69.872712][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 69.878331][ T429] do_syscall_64+0x2f/0x50
[ 69.882755][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 69.888636][ T429] RIP: 0033:0x7f2a75dbd657
[ 69.893050][ 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
[ 69.912675][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 69.921177][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 69.929132][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 69.937278][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 69.945260][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 69.953229][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 69.961202][ T429]
[ 69.964206][ T429] ---[ end trace 0000000000000000 ]---
[ 69.981263][ T635] FAULT_INJECTION: forcing a failure.
[ 69.981263][ T635] name failslab, interval 1, probability 0, space 0, times 0
[ 69.994071][ T635] CPU: 0 PID: 635 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 70.004710][ T635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.014831][ T635] Call Trace:
[ 70.018091][ T635]
[ 70.021043][ T635] dump_stack_lvl+0x151/0x1b7
[ 70.026104][ T635] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 70.031650][ T635] ? pcpu_alloc+0xe83/0x1420
[ 70.036246][ T635] dump_stack+0x15/0x17
[ 70.040421][ T635] should_fail+0x3c0/0x510
[ 70.044843][ T635] ? percpu_ref_init+0xc9/0x350
[ 70.049684][ T635] __should_failslab+0x9f/0xe0
[ 70.054437][ T635] should_failslab+0x9/0x20
[ 70.058939][ T635] kmem_cache_alloc_trace+0x4a/0x320
[ 70.064310][ T635] ? cgroup_setup_root+0xec0/0xec0
[ 70.069402][ T635] percpu_ref_init+0xc9/0x350
[ 70.074058][ T635] ? cgroup_setup_root+0xec0/0xec0
[ 70.079155][ T635] cgroup_apply_control_enable+0x383/0x10c0
[ 70.085031][ T635] cgroup_apply_control+0x93/0x710
[ 70.090126][ T635] ? css_next_child+0x160/0x160
[ 70.094969][ T635] ? wake_bit_function+0x230/0x230
[ 70.100059][ T635] ? kernfs_fop_write_iter+0x15b/0x410
[ 70.105845][ T635] ? __kasan_check_write+0x14/0x20
[ 70.110966][ T635] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 70.116426][ T635] cgroup_subtree_control_write+0xdde/0x1340
[ 70.122757][ T635] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 70.128735][ T635] ? __kasan_check_write+0x14/0x20
[ 70.133847][ T635] ? _copy_from_iter+0x360/0xed0
[ 70.139134][ T635] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 70.145097][ T635] cgroup_file_write+0x28e/0x590
[ 70.150017][ T635] ? cgroup_seqfile_stop+0xc0/0xc0
[ 70.155106][ T635] ? bit_wait_io_timeout+0x110/0x110
[ 70.160367][ T635] ? __kasan_check_write+0x14/0x20
[ 70.165454][ T635] kernfs_fop_write_iter+0x2cd/0x410
[ 70.170718][ T635] ? cgroup_seqfile_stop+0xc0/0xc0
[ 70.175899][ T635] vfs_write+0xbb4/0xf30
[ 70.180119][ T635] ? file_end_write+0x1b0/0x1b0
[ 70.184946][ T635] ? mutex_lock+0xec/0x130
[ 70.189417][ T635] ? bit_wait_io_timeout+0x110/0x110
[ 70.194702][ T635] ? __fdget_pos+0x26d/0x310
[ 70.199292][ T635] ? ksys_write+0x77/0x2c0
[ 70.203703][ T635] ksys_write+0x198/0x2c0
[ 70.208021][ T635] ? __ia32_sys_read+0x90/0x90
[ 70.212786][ T635] ? debug_smp_processor_id+0x17/0x20
[ 70.218136][ T635] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 70.224279][ T635] __x64_sys_write+0x7b/0x90
[ 70.228848][ T635] do_syscall_64+0x2f/0x50
[ 70.233247][ T635] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 70.239125][ T635] RIP: 0033:0x7f2a75dbc249
[ 70.243531][ T635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 70.263329][ T635] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 70.271959][ T635] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 70.279933][ T635] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 70.288271][ T635] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 70.296331][ T635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 70.304287][ T635] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 70.312257][ T635]
[ 70.351169][ T632] FAULT_INJECTION: forcing a failure.
[ 70.351169][ T632] name failslab, interval 1, probability 0, space 0, times 0
[ 70.364029][ T632] CPU: 0 PID: 632 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 70.374692][ T632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.384949][ T632] Call Trace:
[ 70.388225][ T632]
[ 70.391227][ T632] dump_stack_lvl+0x151/0x1b7
[ 70.395894][ T632] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 70.401333][ T632] dump_stack+0x15/0x17
[ 70.405472][ T632] should_fail+0x3c0/0x510
[ 70.409878][ T632] ? pids_css_alloc+0x4e/0x120
[ 70.414622][ T632] __should_failslab+0x9f/0xe0
[ 70.419544][ T632] should_failslab+0x9/0x20
[ 70.424130][ T632] kmem_cache_alloc_trace+0x4a/0x320
[ 70.429406][ T632] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 70.434680][ T632] pids_css_alloc+0x4e/0x120
[ 70.439360][ T632] cgroup_apply_control_enable+0x335/0x10c0
[ 70.445380][ T632] cgroup_apply_control+0x93/0x710
[ 70.450494][ T632] ? css_next_child+0x160/0x160
[ 70.455347][ T632] ? wake_bit_function+0x230/0x230
[ 70.460738][ T632] ? kernfs_fop_write_iter+0x15b/0x410
[ 70.466192][ T632] ? __kasan_check_write+0x14/0x20
[ 70.471382][ T632] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 70.476743][ T632] cgroup_subtree_control_write+0xdde/0x1340
[ 70.482715][ T632] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 70.488687][ T632] ? __kasan_check_write+0x14/0x20
[ 70.493791][ T632] ? _copy_from_iter+0x360/0xed0
[ 70.498827][ T632] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 70.504896][ T632] cgroup_file_write+0x28e/0x590
[ 70.509851][ T632] ? cgroup_seqfile_stop+0xc0/0xc0
[ 70.514948][ T632] ? bit_wait_io_timeout+0x110/0x110
[ 70.520498][ T632] ? __kasan_check_write+0x14/0x20
[ 70.525601][ T632] kernfs_fop_write_iter+0x2cd/0x410
[ 70.532629][ T632] ? cgroup_seqfile_stop+0xc0/0xc0
[ 70.537729][ T632] vfs_write+0xbb4/0xf30
[ 70.542132][ T632] ? file_end_write+0x1b0/0x1b0
[ 70.546972][ T632] ? mutex_lock+0xb6/0x130
[ 70.551457][ T632] ? bit_wait_io_timeout+0x110/0x110
[ 70.556724][ T632] ? __fdget_pos+0x26d/0x310
[ 70.561306][ T632] ? ksys_write+0x77/0x2c0
[ 70.565707][ T632] ksys_write+0x198/0x2c0
[ 70.570278][ T632] ? __ia32_sys_read+0x90/0x90
[ 70.575116][ T632] ? debug_smp_processor_id+0x17/0x20
[ 70.580473][ T632] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 70.586527][ T632] __x64_sys_write+0x7b/0x90
[ 70.591103][ T632] do_syscall_64+0x2f/0x50
[ 70.595504][ T632] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 70.601382][ T632] RIP: 0033:0x7f2a75dbc249
[ 70.605798][ T632] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 70.625751][ T632] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 70.634151][ T632] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 70.642195][ T632] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 70.650153][ T632] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 70.658109][ T632] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 70.666063][ T632] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 70.674109][ T632]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 70.731263][ T622] FAULT_INJECTION: forcing a failure.
[ 70.731263][ T622] name failslab, interval 1, probability 0, space 0, times 0
[ 70.744171][ T622] CPU: 0 PID: 622 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 70.754777][ T622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.764838][ T622] Call Trace:
[ 70.768277][ T622]
[ 70.771192][ T622] dump_stack_lvl+0x151/0x1b7
[ 70.775851][ T622] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 70.781636][ T622] ? pcpu_alloc+0xe83/0x1420
[ 70.786218][ T622] dump_stack+0x15/0x17
[ 70.790369][ T622] should_fail+0x3c0/0x510
[ 70.794790][ T622] ? percpu_ref_init+0xc9/0x350
[ 70.799697][ T622] __should_failslab+0x9f/0xe0
[ 70.804549][ T622] should_failslab+0x9/0x20
[ 70.809044][ T622] kmem_cache_alloc_trace+0x4a/0x320
[ 70.814404][ T622] ? cgroup_setup_root+0xec0/0xec0
[ 70.819494][ T622] percpu_ref_init+0xc9/0x350
[ 70.824245][ T622] ? cgroup_setup_root+0xec0/0xec0
[ 70.829352][ T622] cgroup_apply_control_enable+0x383/0x10c0
[ 70.835415][ T622] cgroup_apply_control+0x93/0x710
[ 70.840511][ T622] ? css_next_child+0x160/0x160
[ 70.845342][ T622] ? wake_bit_function+0x230/0x230
[ 70.851245][ T622] ? kernfs_fop_write_iter+0x15b/0x410
[ 70.856706][ T622] ? __kasan_check_write+0x14/0x20
[ 70.862596][ T622] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 70.867884][ T622] cgroup_subtree_control_write+0xdde/0x1340
[ 70.873847][ T622] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 70.879989][ T622] ? __kasan_check_write+0x14/0x20
[ 70.885081][ T622] ? _copy_from_iter+0x360/0xed0
[ 70.890002][ T622] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 70.896814][ T622] cgroup_file_write+0x28e/0x590
[ 70.901752][ T622] ? cgroup_seqfile_stop+0xc0/0xc0
[ 70.906860][ T622] ? bit_wait_io_timeout+0x110/0x110
[ 70.912305][ T622] ? __kasan_check_write+0x14/0x20
[ 70.917483][ T622] kernfs_fop_write_iter+0x2cd/0x410
[ 70.922744][ T622] ? cgroup_seqfile_stop+0xc0/0xc0
[ 70.927831][ T622] vfs_write+0xbb4/0xf30
[ 70.932058][ T622] ? file_end_write+0x1b0/0x1b0
[ 70.936884][ T622] ? mutex_lock+0xec/0x130
[ 70.941310][ T622] ? bit_wait_io_timeout+0x110/0x110
[ 70.946572][ T622] ? __fdget_pos+0x26d/0x310
[ 70.951226][ T622] ? ksys_write+0x77/0x2c0
[ 70.955623][ T622] ksys_write+0x198/0x2c0
[ 70.959933][ T622] ? __ia32_sys_read+0x90/0x90
[ 70.964844][ T622] ? debug_smp_processor_id+0x17/0x20
[ 70.970198][ T622] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 70.976264][ T622] __x64_sys_write+0x7b/0x90
[ 70.981092][ T622] do_syscall_64+0x2f/0x50
[ 70.985484][ T622] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 70.991463][ T622] RIP: 0033:0x7f2a75dbc249
[ 70.995854][ T622] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 71.015532][ T622] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 71.023952][ T622] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 71.031916][ T622] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 71.039877][ T622] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 71.047841][ T622] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 71.055791][ T622] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 71.063745][ T622]
[ 71.101454][ T640] FAULT_INJECTION: forcing a failure.
[ 71.101454][ T640] name failslab, interval 1, probability 0, space 0, times 0
[ 71.114182][ T640] CPU: 0 PID: 640 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 71.124983][ T640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 71.135126][ T640] Call Trace:
[ 71.138416][ T640]
[ 71.141335][ T640] dump_stack_lvl+0x151/0x1b7
[ 71.146003][ T640] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 71.151447][ T640] dump_stack+0x15/0x17
[ 71.155601][ T640] should_fail+0x3c0/0x510
[ 71.160003][ T640] ? pids_css_alloc+0x4e/0x120
[ 71.164865][ T640] __should_failslab+0x9f/0xe0
[ 71.169662][ T640] should_failslab+0x9/0x20
[ 71.174170][ T640] kmem_cache_alloc_trace+0x4a/0x320
[ 71.179436][ T640] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 71.184622][ T640] pids_css_alloc+0x4e/0x120
[ 71.189195][ T640] cgroup_apply_control_enable+0x335/0x10c0
[ 71.195595][ T640] cgroup_apply_control+0x93/0x710
[ 71.200723][ T640] ? css_next_child+0x160/0x160
[ 71.205598][ T640] ? wake_bit_function+0x230/0x230
[ 71.210708][ T640] ? kernfs_fop_write_iter+0x15b/0x410
[ 71.216164][ T640] ? __kasan_check_write+0x14/0x20
[ 71.221260][ T640] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 71.226555][ T640] cgroup_subtree_control_write+0xdde/0x1340
[ 71.232536][ T640] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 71.238861][ T640] ? __kasan_check_write+0x14/0x20
[ 71.243959][ T640] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 71.248911][ T640] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 71.254876][ T640] cgroup_file_write+0x28e/0x590
[ 71.259801][ T640] ? cgroup_seqfile_stop+0xc0/0xc0
[ 71.264896][ T640] ? bit_wait_io_timeout+0x110/0x110
[ 71.270177][ T640] ? __kasan_check_write+0x14/0x20
[ 71.275287][ T640] kernfs_fop_write_iter+0x2cd/0x410
[ 71.280552][ T640] ? cgroup_seqfile_stop+0xc0/0xc0
[ 71.285641][ T640] vfs_write+0xbb4/0xf30
[ 71.289892][ T640] ? file_end_write+0x1b0/0x1b0
[ 71.294729][ T640] ? mutex_lock+0xec/0x130
[ 71.299149][ T640] ? bit_wait_io_timeout+0x110/0x110
[ 71.304484][ T640] ? __fdget_pos+0x26d/0x310
[ 71.309070][ T640] ? ksys_write+0x77/0x2c0
[ 71.313581][ T640] ksys_write+0x198/0x2c0
[ 71.317914][ T640] ? __ia32_sys_read+0x90/0x90
[ 71.322665][ T640] ? debug_smp_processor_id+0x17/0x20
[ 71.328028][ T640] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 71.334417][ T640] __x64_sys_write+0x7b/0x90
[ 71.339008][ T640] do_syscall_64+0x2f/0x50
[ 71.343430][ T640] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 71.349324][ T640] RIP: 0033:0x7f2a75dbc249
[ 71.353902][ T640] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 71.373492][ T640] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 71.382096][ T640] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 71.390149][ T640] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 71.398219][ T640] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 71.406197][ T640] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 71.414169][ T640] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 71.422143][ T640]
[ 71.427051][ T433] ------------[ cut here ]------------
[ 71.432553][ T433] WARNING: CPU: 1 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 71.441539][ T433] Modules linked in:
[ 71.445456][ T433] CPU: 1 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 71.456245][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 71.466601][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 71.472357][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 71.492789][ T433] RSP: 0018:ffffc9000164fba0 EFLAGS: 00010293
[ 71.498867][ T433] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d2790c0
[ 71.506965][ T433] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 71.514978][ T433] RBP: ffffc9000164fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 71.522987][ T433] R10: fffff520002c9f65 R11: 1ffff920002c9f64 R12: dffffc0000000000
[ 71.531204][ T433] R13: ffff8881112fbe00 R14: ffffc9000164fc00 R15: 1ffff920002c9f7c
[ 71.539256][ T433] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 71.548199][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.554947][ T433] CR2: 0000555556619738 CR3: 0000000121060000 CR4: 00000000003506a0
[ 71.563319][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.571311][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.579269][ T433] Call Trace:
[ 71.582571][ T433]
[ 71.585496][ T433] ? __kasan_check_write+0x14/0x20
[ 71.590593][ T433] ? up_write+0xa1/0x190
[ 71.594872][ T433] ? vfs_submount+0xb0/0xb0
[ 71.599379][ T433] ? change_mnt_propagation+0x8de/0xbc0
[ 71.605052][ T433] namespace_unlock+0x448/0x4f0
[ 71.609952][ T433] ? umount_tree+0xf40/0xf40
[ 71.614621][ T433] ? __detach_mounts+0x670/0x670
[ 71.619759][ T433] ? selinux_umount+0xf3/0x130
[ 71.624656][ T433] ? security_sb_umount+0x9d/0xb0
[ 71.629698][ T433] path_umount+0xe89/0xf40
[ 71.634272][ T433] ? __kasan_slab_free+0x11/0x20
[ 71.639225][ T433] ? user_path_at_empty+0x152/0x1b0
[ 71.644841][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 71.649880][ T433] ? user_path_at_empty+0x152/0x1b0
[ 71.655145][ T433] __x64_sys_umount+0x122/0x170
[ 71.660104][ T433] ? path_umount+0xf40/0xf40
[ 71.664839][ T433] ? debug_smp_processor_id+0x17/0x20
[ 71.670474][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 71.676740][ T433] do_syscall_64+0x2f/0x50
[ 71.681177][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 71.687146][ T433] RIP: 0033:0x7f2a75dbd657
[ 71.691582][ T433] 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
[ 71.711398][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 71.719811][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 71.727795][ T433] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 71.735771][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 71.743773][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 71.751855][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 71.759908][ T433]
[ 71.762958][ T433] ---[ end trace 0000000000000000 ]---
[ 71.768450][ T433] ------------[ cut here ]------------
[ 71.773913][ T433] WARNING: CPU: 1 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 71.782957][ T433] Modules linked in:
[ 71.786839][ T433] CPU: 1 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 71.797427][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 71.807484][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 71.813127][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 71.832740][ T433] RSP: 0018:ffffc9000164fca0 EFLAGS: 00010293
[ 71.838796][ T433] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d2790c0
[ 71.846830][ T433] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 71.854827][ T433] RBP: ffffc9000164fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 71.862811][ T433] R10: fffff520002c9f85 R11: 1ffff920002c9f84 R12: dffffc0000000000
[ 71.870883][ T433] R13: ffff8881112fbe00 R14: ffffc9000164fd00 R15: 1ffff920002c9f9c
[ 71.878946][ T433] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 71.888150][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.894735][ T433] CR2: 0000555556619738 CR3: 0000000121060000 CR4: 00000000003506a0
[ 71.902708][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.910665][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.918640][ T433] Call Trace:
[ 71.921921][ T433]
[ 71.924843][ T433] ? lockref_get_or_lock+0x340/0x340
[ 71.930122][ T433] ? umount_tree+0xf40/0xf40
[ 71.934723][ T433] ? vfs_submount+0xb0/0xb0
[ 71.939325][ T433] ? dput+0x2b6/0x320
[ 71.943304][ T433] path_umount+0x1e0/0xf40
[ 71.947916][ T433] ? __kasan_slab_free+0x11/0x20
[ 71.952854][ T433] ? user_path_at_empty+0x152/0x1b0
[ 71.958050][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 71.963068][ T433] ? user_path_at_empty+0x152/0x1b0
[ 71.968255][ T433] __x64_sys_umount+0x122/0x170
[ 71.973105][ T433] ? path_umount+0xf40/0xf40
[ 71.977681][ T433] ? debug_smp_processor_id+0x17/0x20
[ 71.983049][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 71.988675][ T433] do_syscall_64+0x2f/0x50
[ 71.993097][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 71.998980][ T433] RIP: 0033:0x7f2a75dbd657
[ 72.003390][ T433] 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
[ 72.022999][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 72.031410][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 72.039367][ T433] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 72.047348][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 72.055415][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 72.063389][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 72.071364][ T433]
[ 72.074374][ T433] ---[ end trace 0000000000000000 ]---
[ 72.080607][ T643] FAULT_INJECTION: forcing a failure.
[ 72.080607][ T643] name failslab, interval 1, probability 0, space 0, times 0
[ 72.093415][ T643] CPU: 1 PID: 643 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 72.103993][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 72.114079][ T643] Call Trace:
[ 72.117345][ T643]
[ 72.120271][ T643] dump_stack_lvl+0x151/0x1b7
[ 72.124970][ T643] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 72.130421][ T643] ? selinux_kernfs_init_security+0x1a8/0x760
[ 72.136496][ T643] dump_stack+0x15/0x17
[ 72.140652][ T643] should_fail+0x3c0/0x510
[ 72.145143][ T643] __should_failslab+0x9f/0xe0
[ 72.149900][ T643] should_failslab+0x9/0x20
[ 72.154382][ T643] kmem_cache_alloc+0x4f/0x300
[ 72.159134][ T643] ? __kernfs_new_node+0xdb/0x6e0
[ 72.164145][ T643] __kernfs_new_node+0xdb/0x6e0
[ 72.169029][ T643] ? stack_trace_save+0x1f0/0x1f0
[ 72.174040][ T643] ? kernfs_new_node+0x170/0x170
[ 72.178985][ T643] ? ptr_to_hashval+0x60/0x60
[ 72.183648][ T643] ? up_read+0x1b0/0x1b0
[ 72.187898][ T643] ? snprintf+0xd6/0x120
[ 72.192127][ T643] kernfs_new_node+0x97/0x170
[ 72.196890][ T643] __kernfs_create_file+0x4a/0x270
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 72.202084][ T643] cgroup_addrm_files+0xab8/0xfe0
[ 72.207360][ T643] ? ____kasan_kmalloc+0xdc/0x110
[ 72.212453][ T643] ? __kasan_kmalloc+0x9/0x10
[ 72.217115][ T643] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 72.222657][ T643] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 72.228794][ T643] ? delete_node+0x759/0x7b0
[ 72.233485][ T643] ? __kasan_check_read+0x11/0x20
[ 72.238615][ T643] ? idr_replace+0x1c4/0x230
[ 72.243204][ T643] ? idr_get_next+0x4b0/0x4b0
[ 72.248049][ T643] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 72.253065][ T643] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 72.258335][ T643] css_populate_dir+0x137/0x370
[ 72.263171][ T643] cgroup_apply_control_enable+0x889/0x10c0
[ 72.269046][ T643] cgroup_apply_control+0x93/0x710
[ 72.274397][ T643] ? css_next_child+0x160/0x160
[ 72.279317][ T643] ? wake_bit_function+0x230/0x230
[ 72.284445][ T643] ? kernfs_fop_write_iter+0x15b/0x410
[ 72.290060][ T643] ? __kasan_check_write+0x14/0x20
[ 72.295333][ T643] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 72.300599][ T643] cgroup_subtree_control_write+0xdde/0x1340
[ 72.306740][ T643] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 72.312732][ T643] ? __kasan_check_write+0x14/0x20
[ 72.317933][ T643] ? _copy_from_iter+0x360/0xed0
[ 72.322870][ T643] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 72.328945][ T643] cgroup_file_write+0x28e/0x590
[ 72.333872][ T643] ? cgroup_seqfile_stop+0xc0/0xc0
[ 72.339018][ T643] ? bit_wait_io_timeout+0x110/0x110
[ 72.344283][ T643] ? __kasan_check_write+0x14/0x20
[ 72.349377][ T643] kernfs_fop_write_iter+0x2cd/0x410
[ 72.354646][ T643] ? cgroup_seqfile_stop+0xc0/0xc0
[ 72.359746][ T643] vfs_write+0xbb4/0xf30
[ 72.363983][ T643] ? file_end_write+0x1b0/0x1b0
[ 72.368848][ T643] ? mutex_lock+0xec/0x130
[ 72.373266][ T643] ? bit_wait_io_timeout+0x110/0x110
[ 72.378668][ T643] ? __fdget_pos+0x26d/0x310
[ 72.383240][ T643] ? ksys_write+0x77/0x2c0
[ 72.387643][ T643] ksys_write+0x198/0x2c0
[ 72.392050][ T643] ? __ia32_sys_read+0x90/0x90
[ 72.396816][ T643] ? debug_smp_processor_id+0x17/0x20
[ 72.402187][ T643] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 72.408242][ T643] __x64_sys_write+0x7b/0x90
[ 72.412837][ T643] do_syscall_64+0x2f/0x50
[ 72.417331][ T643] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 72.423217][ T643] RIP: 0033:0x7f2a75dbc249
[ 72.427640][ T643] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 72.448043][ T643] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 72.456596][ T643] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 72.464749][ T643] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 72.472757][ T643] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 72.480896][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 72.488875][ T643] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 72.497267][ T643]
[ 72.500447][ T643] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 72.509544][ T434] ------------[ cut here ]------------
[ 72.515098][ T434] WARNING: CPU: 1 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 72.524148][ T434] Modules linked in:
[ 72.528024][ T434] CPU: 1 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 72.538628][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 72.548808][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 72.554573][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 72.574200][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 72.580258][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d27a180
[ 72.588269][ T434] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 72.596257][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 72.604267][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 72.612333][ T434] R13: ffff8881112fb980 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 72.620387][ T434] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 72.629371][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.636135][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506a0
[ 72.644147][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 72.652151][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 72.660194][ T434] Call Trace:
[ 72.663496][ T434]
[ 72.666421][ T434] ? __kasan_check_write+0x14/0x20
[ 72.671759][ T434] ? up_write+0xa1/0x190
[ 72.676002][ T434] ? vfs_submount+0xb0/0xb0
[ 72.680498][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 72.686058][ T434] namespace_unlock+0x448/0x4f0
[ 72.690925][ T434] ? umount_tree+0xf40/0xf40
[ 72.695506][ T434] ? __detach_mounts+0x670/0x670
[ 72.700436][ T434] ? selinux_umount+0xf3/0x130
[ 72.705230][ T434] ? security_sb_umount+0x9d/0xb0
[ 72.710246][ T434] path_umount+0xe89/0xf40
[ 72.714678][ T434] ? __kasan_slab_free+0x11/0x20
[ 72.719607][ T434] ? user_path_at_empty+0x152/0x1b0
[ 72.724814][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 72.729833][ T434] ? user_path_at_empty+0x152/0x1b0
[ 72.735034][ T434] __x64_sys_umount+0x122/0x170
[ 72.739904][ T434] ? path_umount+0xf40/0xf40
[ 72.744493][ T434] ? debug_smp_processor_id+0x17/0x20
[ 72.749849][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 72.755478][ T434] do_syscall_64+0x2f/0x50
[ 72.759882][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 72.765784][ T434] RIP: 0033:0x7f2a75dbd657
[ 72.770194][ T434] 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
[ 72.790150][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 72.798564][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 72.806534][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 72.814599][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 72.822586][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 72.830628][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 72.838598][ T434]
[ 72.841612][ T434] ---[ end trace 0000000000000000 ]---
[ 72.847658][ T434] ------------[ cut here ]------------
[ 72.853139][ T434] WARNING: CPU: 1 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 72.862080][ T434] Modules linked in:
[ 72.865955][ T434] CPU: 1 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 72.876709][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 72.886762][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 72.892429][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 72.912129][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 72.918191][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffc RCX: ffff88810d27a180
[ 72.926186][ T434] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000
[ 72.934177][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 72.942683][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 72.950644][ T434] R13: ffff8881112fb980 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 72.958626][ T434] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 72.967562][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.974151][ T434] CR2: 000055555660f3b8 CR3: 000000012112d000 CR4: 00000000003506a0
[ 72.982216][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 72.990596][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 72.998691][ T434] Call Trace:
[ 73.002002][ T434]
[ 73.004932][ T434] ? lockref_get_or_lock+0x340/0x340
[ 73.010210][ T434] ? umount_tree+0xf40/0xf40
[ 73.014806][ T434] ? vfs_submount+0xb0/0xb0
[ 73.019299][ T434] ? dput+0x2b6/0x320
[ 73.023309][ T434] path_umount+0x1e0/0xf40
[ 73.027739][ T434] ? __kasan_slab_free+0x11/0x20
[ 73.032770][ T434] ? user_path_at_empty+0x152/0x1b0
[ 73.037960][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 73.042995][ T434] ? user_path_at_empty+0x152/0x1b0
[ 73.048185][ T434] __x64_sys_umount+0x122/0x170
[ 73.053038][ T434] ? path_umount+0xf40/0xf40
[ 73.057615][ T434] ? debug_smp_processor_id+0x17/0x20
[ 73.062983][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 73.068813][ T434] do_syscall_64+0x2f/0x50
[ 73.073352][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 73.079246][ T434] RIP: 0033:0x7f2a75dbd657
[ 73.083671][ T434] 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
[ 73.103656][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 73.112076][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 73.120123][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 73.128199][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 73.136213][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 73.145432][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 73.153423][ T434]
[ 73.156523][ T434] ---[ end trace 0000000000000000 ]---
[ 73.181442][ T630] FAULT_INJECTION: forcing a failure.
[ 73.181442][ T630] name failslab, interval 1, probability 0, space 0, times 0
[ 73.194486][ T630] CPU: 0 PID: 630 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 73.205065][ T630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.215202][ T630] Call Trace:
[ 73.218477][ T630]
[ 73.221493][ T630] dump_stack_lvl+0x151/0x1b7
[ 73.226173][ T630] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 73.231732][ T630] ? selinux_kernfs_init_security+0x1a8/0x760
[ 73.237812][ T630] dump_stack+0x15/0x17
[ 73.242053][ T630] should_fail+0x3c0/0x510
[ 73.246464][ T630] ? __kernfs_new_node+0x99/0x6e0
[ 73.251517][ T630] __should_failslab+0x9f/0xe0
[ 73.256407][ T630] should_failslab+0x9/0x20
[ 73.260900][ T630] __kmalloc_track_caller+0x6c/0x340
[ 73.267060][ T630] kstrdup_const+0x55/0x90
[ 73.271562][ T630] __kernfs_new_node+0x99/0x6e0
[ 73.276399][ T630] ? stack_trace_save+0x1f0/0x1f0
[ 73.281516][ T630] ? kernfs_new_node+0x170/0x170
[ 73.286443][ T630] ? ptr_to_hashval+0x60/0x60
[ 73.291118][ T630] ? arch_stack_walk+0xf8/0x140
[ 73.296039][ T630] ? snprintf+0xd6/0x120
[ 73.300266][ T630] kernfs_new_node+0x97/0x170
[ 73.304926][ T630] __kernfs_create_file+0x4a/0x270
[ 73.310027][ T630] cgroup_addrm_files+0xab8/0xfe0
[ 73.315032][ T630] ? ____kasan_kmalloc+0xdc/0x110
[ 73.320047][ T630] ? __kasan_kmalloc+0x9/0x10
[ 73.324740][ T630] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 73.330283][ T630] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 73.336431][ T630] ? delete_node+0x759/0x7b0
[ 73.341021][ T630] ? __kasan_check_read+0x11/0x20
[ 73.346059][ T630] ? delete_node+0x759/0x7b0
[ 73.350662][ T630] ? __kasan_check_write+0x14/0x20
[ 73.355762][ T630] ? idr_replace+0x1c4/0x230
[ 73.360636][ T630] ? idr_get_next+0x4b0/0x4b0
[ 73.365350][ T630] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 73.370368][ T630] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 73.376637][ T630] css_populate_dir+0x137/0x370
[ 73.387591][ T630] cgroup_apply_control_enable+0x889/0x10c0
[ 73.393482][ T630] cgroup_apply_control+0x93/0x710
[ 73.398593][ T630] ? css_next_child+0x160/0x160
[ 73.403454][ T630] ? wake_bit_function+0x230/0x230
[ 73.408655][ T630] ? kernfs_fop_write_iter+0x15b/0x410
[ 73.414138][ T630] ? __kasan_check_write+0x14/0x20
[ 73.419244][ T630] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 73.424687][ T630] cgroup_subtree_control_write+0xdde/0x1340
[ 73.430706][ T630] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 73.436687][ T630] ? __kasan_check_write+0x14/0x20
[ 73.441794][ T630] ? _copy_from_iter+0x360/0xed0
[ 73.446831][ T630] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 73.452815][ T630] cgroup_file_write+0x28e/0x590
[ 73.457763][ T630] ? cgroup_seqfile_stop+0xc0/0xc0
[ 73.462856][ T630] ? bit_wait_io_timeout+0x110/0x110
[ 73.468229][ T630] ? __kasan_check_write+0x14/0x20
[ 73.473350][ T630] kernfs_fop_write_iter+0x2cd/0x410
[ 73.478638][ T630] ? cgroup_seqfile_stop+0xc0/0xc0
[ 73.484199][ T630] vfs_write+0xbb4/0xf30
[ 73.488441][ T630] ? file_end_write+0x1b0/0x1b0
[ 73.493290][ T630] ? mutex_lock+0xec/0x130
[ 73.497707][ T630] ? bit_wait_io_timeout+0x110/0x110
[ 73.503032][ T630] ? __fdget_pos+0x26d/0x310
[ 73.507626][ T630] ? ksys_write+0x77/0x2c0
[ 73.512052][ T630] ksys_write+0x198/0x2c0
[ 73.516378][ T630] ? __ia32_sys_read+0x90/0x90
[ 73.521128][ T630] ? debug_smp_processor_id+0x17/0x20
[ 73.526481][ T630] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 73.532528][ T630] __x64_sys_write+0x7b/0x90
[ 73.537111][ T630] do_syscall_64+0x2f/0x50
[ 73.541523][ T630] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 73.547410][ T630] RIP: 0033:0x7f2a75dbc249
[ 73.551818][ T630] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 73.571414][ T630] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 73.579896][ T630] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 73.588217][ T630] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 73.596169][ T630] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 73.604127][ T630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 73.612081][ T630] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 73.620037][ T630]
[ 73.623838][ T630] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 73.681156][ T618] FAULT_INJECTION: forcing a failure.
[ 73.681156][ T618] name failslab, interval 1, probability 0, space 0, times 0
[ 73.694304][ T618] CPU: 1 PID: 618 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 73.704926][ T618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.714974][ T618] Call Trace:
[ 73.718246][ T618]
[ 73.721192][ T618] dump_stack_lvl+0x151/0x1b7
[ 73.725855][ T618] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 73.731293][ T618] ? pcpu_alloc+0xe83/0x1420
[ 73.735875][ T618] dump_stack+0x15/0x17
[ 73.740068][ T618] should_fail+0x3c0/0x510
[ 73.744493][ T618] ? percpu_ref_init+0xc9/0x350
[ 73.749420][ T618] __should_failslab+0x9f/0xe0
[ 73.754188][ T618] should_failslab+0x9/0x20
[ 73.758677][ T618] kmem_cache_alloc_trace+0x4a/0x320
[ 73.763968][ T618] ? cgroup_setup_root+0xec0/0xec0
[ 73.769098][ T618] percpu_ref_init+0xc9/0x350
[ 73.773764][ T618] ? cgroup_setup_root+0xec0/0xec0
[ 73.778869][ T618] cgroup_apply_control_enable+0x383/0x10c0
[ 73.784863][ T618] cgroup_apply_control+0x93/0x710
[ 73.789994][ T618] ? css_next_child+0x160/0x160
[ 73.795226][ T618] ? wake_bit_function+0x230/0x230
[ 73.800340][ T618] ? kernfs_fop_write_iter+0x15b/0x410
[ 73.805808][ T618] ? __kasan_check_write+0x14/0x20
[ 73.810911][ T618] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 73.816191][ T618] cgroup_subtree_control_write+0xdde/0x1340
[ 73.822161][ T618] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 73.828211][ T618] ? __kasan_check_write+0x14/0x20
[ 73.833311][ T618] ? _copy_from_iter+0x360/0xed0
[ 73.838288][ T618] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 73.844453][ T618] cgroup_file_write+0x28e/0x590
[ 73.849388][ T618] ? cgroup_seqfile_stop+0xc0/0xc0
[ 73.854501][ T618] ? bit_wait_io_timeout+0x110/0x110
[ 73.859774][ T618] ? __kasan_check_write+0x14/0x20
[ 73.864885][ T618] kernfs_fop_write_iter+0x2cd/0x410
[ 73.870163][ T618] ? cgroup_seqfile_stop+0xc0/0xc0
[ 73.875276][ T618] vfs_write+0xbb4/0xf30
[ 73.879513][ T618] ? file_end_write+0x1b0/0x1b0
[ 73.884342][ T618] ? mutex_lock+0xec/0x130
[ 73.888739][ T618] ? bit_wait_io_timeout+0x110/0x110
[ 73.894013][ T618] ? __fdget_pos+0x26d/0x310
[ 73.898594][ T618] ? ksys_write+0x77/0x2c0
[ 73.903093][ T618] ksys_write+0x198/0x2c0
[ 73.907415][ T618] ? __ia32_sys_read+0x90/0x90
[ 73.912162][ T618] ? debug_smp_processor_id+0x17/0x20
[ 73.917513][ T618] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 73.923666][ T618] __x64_sys_write+0x7b/0x90
[ 73.928251][ T618] do_syscall_64+0x2f/0x50
[ 73.932653][ T618] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 73.938529][ T618] RIP: 0033:0x7f2a75dbc249
[ 73.942922][ T618] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 73.962506][ T618] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 73.970910][ T618] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 73.978879][ T618] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 73.986830][ T618] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 73.994787][ T618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 74.002753][ T618] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 74.010798][ T618]
[ 74.051297][ T656] FAULT_INJECTION: forcing a failure.
[ 74.051297][ T656] name failslab, interval 1, probability 0, space 0, times 0
[ 74.064083][ T656] CPU: 0 PID: 656 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 74.074791][ T656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 74.084835][ T656] Call Trace:
[ 74.088164][ T656]
[ 74.091089][ T656] dump_stack_lvl+0x151/0x1b7
[ 74.095752][ T656] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 74.101196][ T656] ? pcpu_alloc+0xe83/0x1420
[ 74.105766][ T656] dump_stack+0x15/0x17
[ 74.109901][ T656] should_fail+0x3c0/0x510
[ 74.114298][ T656] ? percpu_ref_init+0xc9/0x350
[ 74.119145][ T656] __should_failslab+0x9f/0xe0
[ 74.123893][ T656] should_failslab+0x9/0x20
[ 74.128475][ T656] kmem_cache_alloc_trace+0x4a/0x320
[ 74.133744][ T656] ? cgroup_setup_root+0xec0/0xec0
[ 74.138856][ T656] percpu_ref_init+0xc9/0x350
[ 74.143537][ T656] ? cgroup_setup_root+0xec0/0xec0
[ 74.148626][ T656] cgroup_apply_control_enable+0x383/0x10c0
[ 74.154750][ T656] cgroup_apply_control+0x93/0x710
[ 74.159852][ T656] ? css_next_child+0x160/0x160
[ 74.164703][ T656] ? wake_bit_function+0x230/0x230
[ 74.169834][ T656] ? kernfs_fop_write_iter+0x15b/0x410
[ 74.175289][ T656] ? __kasan_check_write+0x14/0x20
[ 74.180383][ T656] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 74.185683][ T656] cgroup_subtree_control_write+0xdde/0x1340
[ 74.191664][ T656] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 74.197641][ T656] ? __kasan_check_write+0x14/0x20
[ 74.202756][ T656] ? _copy_from_iter+0x360/0xed0
[ 74.207987][ T656] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 74.213972][ T656] cgroup_file_write+0x28e/0x590
[ 74.218992][ T656] ? cgroup_seqfile_stop+0xc0/0xc0
[ 74.224198][ T656] ? bit_wait_io_timeout+0x110/0x110
[ 74.229494][ T656] ? __kasan_check_write+0x14/0x20
[ 74.234621][ T656] kernfs_fop_write_iter+0x2cd/0x410
[ 74.239905][ T656] ? cgroup_seqfile_stop+0xc0/0xc0
[ 74.245012][ T656] vfs_write+0xbb4/0xf30
[ 74.249249][ T656] ? file_end_write+0x1b0/0x1b0
[ 74.254085][ T656] ? mutex_lock+0xec/0x130
[ 74.258572][ T656] ? bit_wait_io_timeout+0x110/0x110
[ 74.263845][ T656] ? __fdget_pos+0x26d/0x310
[ 74.268416][ T656] ? ksys_write+0x77/0x2c0
[ 74.272818][ T656] ksys_write+0x198/0x2c0
[ 74.277132][ T656] ? __ia32_sys_read+0x90/0x90
[ 74.281887][ T656] ? debug_smp_processor_id+0x17/0x20
[ 74.287240][ T656] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 74.293321][ T656] __x64_sys_write+0x7b/0x90
[ 74.298067][ T656] do_syscall_64+0x2f/0x50
[ 74.302467][ T656] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 74.308353][ T656] RIP: 0033:0x7f2a75dbc249
[ 74.312751][ T656] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 74.332430][ T656] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 74.340841][ T656] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 74.348816][ T656] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 74.356982][ T656] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 74.364940][ T656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 74.372894][ T656] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 74.380851][ T656]
[ 74.441271][ T652] FAULT_INJECTION: forcing a failure.
[ 74.441271][ T652] name failslab, interval 1, probability 0, space 0, times 0
[ 74.453985][ T652] CPU: 0 PID: 652 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 74.464574][ T652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 74.474617][ T652] Call Trace:
[ 74.477896][ T652]
[ 74.480808][ T652] dump_stack_lvl+0x151/0x1b7
[ 74.485568][ T652] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 74.491017][ T652] dump_stack+0x15/0x17
[ 74.495373][ T652] should_fail+0x3c0/0x510
[ 74.500189][ T652] ? pids_css_alloc+0x4e/0x120
[ 74.505212][ T652] __should_failslab+0x9f/0xe0
[ 74.510078][ T652] should_failslab+0x9/0x20
[ 74.514750][ T652] kmem_cache_alloc_trace+0x4a/0x320
[ 74.520023][ T652] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 74.525231][ T652] pids_css_alloc+0x4e/0x120
[ 74.529814][ T652] cgroup_apply_control_enable+0x335/0x10c0
[ 74.535690][ T652] cgroup_apply_control+0x93/0x710
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 74.540786][ T652] ? css_next_child+0x160/0x160
[ 74.545618][ T652] ? wake_bit_function+0x230/0x230
[ 74.550742][ T652] ? kernfs_fop_write_iter+0x15b/0x410
[ 74.556193][ T652] ? __kasan_check_write+0x14/0x20
[ 74.561299][ T652] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 74.566568][ T652] cgroup_subtree_control_write+0xdde/0x1340
[ 74.572531][ T652] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 74.578605][ T652] ? __kasan_check_write+0x14/0x20
[ 74.583717][ T652] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 74.588741][ T652] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 74.594714][ T652] cgroup_file_write+0x28e/0x590
[ 74.599641][ T652] ? cgroup_seqfile_stop+0xc0/0xc0
[ 74.604746][ T652] ? bit_wait_io_timeout+0x110/0x110
[ 74.610111][ T652] ? __kasan_check_write+0x14/0x20
[ 74.615303][ T652] kernfs_fop_write_iter+0x2cd/0x410
[ 74.620583][ T652] ? cgroup_seqfile_stop+0xc0/0xc0
[ 74.625668][ T652] vfs_write+0xbb4/0xf30
[ 74.629899][ T652] ? file_end_write+0x1b0/0x1b0
[ 74.634728][ T652] ? mutex_lock+0xb6/0x130
[ 74.639144][ T652] ? bit_wait_io_timeout+0x110/0x110
[ 74.644414][ T652] ? __fdget_pos+0x26d/0x310
[ 74.648988][ T652] ? ksys_write+0x77/0x2c0
[ 74.653451][ T652] ksys_write+0x198/0x2c0
[ 74.657819][ T652] ? __ia32_sys_read+0x90/0x90
[ 74.662607][ T652] ? debug_smp_processor_id+0x17/0x20
[ 74.668019][ T652] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 74.674068][ T652] __x64_sys_write+0x7b/0x90
[ 74.678660][ T652] do_syscall_64+0x2f/0x50
[ 74.683052][ T652] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 74.688925][ T652] RIP: 0033:0x7f2a75dbc249
[ 74.693318][ T652] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 74.713000][ T652] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 74.721420][ T652] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 74.729380][ T652] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 74.737342][ T652] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 74.745397][ T652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 74.753345][ T652] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 74.761380][ T652]
[ 74.821276][ T645] FAULT_INJECTION: forcing a failure.
[ 74.821276][ T645] name failslab, interval 1, probability 0, space 0, times 0
[ 74.833995][ T645] CPU: 0 PID: 645 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 74.844566][ T645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 74.854617][ T645] Call Trace:
[ 74.857897][ T645]
[ 74.860818][ T645] dump_stack_lvl+0x151/0x1b7
[ 74.865483][ T645] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 74.870925][ T645] ? selinux_kernfs_init_security+0x1a8/0x760
[ 74.876981][ T645] dump_stack+0x15/0x17
[ 74.881225][ T645] should_fail+0x3c0/0x510
[ 74.885663][ T645] ? __kernfs_new_node+0x99/0x6e0
[ 74.890669][ T645] __should_failslab+0x9f/0xe0
[ 74.895440][ T645] should_failslab+0x9/0x20
[ 74.899943][ T645] __kmalloc_track_caller+0x6c/0x340
[ 74.905230][ T645] kstrdup_const+0x55/0x90
[ 74.909891][ T645] __kernfs_new_node+0x99/0x6e0
[ 74.914726][ T645] ? stack_trace_save+0x1f0/0x1f0
[ 74.919740][ T645] ? kernfs_new_node+0x170/0x170
[ 74.924669][ T645] ? ptr_to_hashval+0x60/0x60
[ 74.929339][ T645] ? arch_stack_walk+0xf8/0x140
[ 74.934258][ T645] ? snprintf+0xd6/0x120
[ 74.938488][ T645] kernfs_new_node+0x97/0x170
[ 74.943158][ T645] __kernfs_create_file+0x4a/0x270
[ 74.948451][ T645] cgroup_addrm_files+0xab8/0xfe0
[ 74.953460][ T645] ? ____kasan_kmalloc+0xdc/0x110
[ 74.958557][ T645] ? __kasan_kmalloc+0x9/0x10
[ 74.963210][ T645] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 74.968755][ T645] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 74.974887][ T645] ? delete_node+0x759/0x7b0
[ 74.979469][ T645] ? __kasan_check_read+0x11/0x20
[ 74.984527][ T645] ? delete_node+0x759/0x7b0
[ 74.989099][ T645] ? __kasan_check_write+0x14/0x20
[ 74.994200][ T645] ? idr_replace+0x1c4/0x230
[ 74.998774][ T645] ? idr_get_next+0x4b0/0x4b0
[ 75.003427][ T645] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 75.008428][ T645] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 75.013606][ T645] css_populate_dir+0x137/0x370
[ 75.018447][ T645] cgroup_apply_control_enable+0x889/0x10c0
[ 75.024328][ T645] cgroup_apply_control+0x93/0x710
[ 75.029432][ T645] ? css_next_child+0x160/0x160
[ 75.034279][ T645] ? wake_bit_function+0x230/0x230
[ 75.039376][ T645] ? kernfs_fop_write_iter+0x15b/0x410
[ 75.044811][ T645] ? __kasan_check_write+0x14/0x20
[ 75.049899][ T645] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 75.055168][ T645] cgroup_subtree_control_write+0xdde/0x1340
[ 75.061127][ T645] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 75.067086][ T645] ? __kasan_check_write+0x14/0x20
[ 75.072289][ T645] ? _copy_from_iter+0x360/0xed0
[ 75.077480][ T645] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 75.083453][ T645] cgroup_file_write+0x28e/0x590
[ 75.088525][ T645] ? cgroup_seqfile_stop+0xc0/0xc0
[ 75.093656][ T645] ? bit_wait_io_timeout+0x110/0x110
[ 75.098954][ T645] ? __kasan_check_write+0x14/0x20
[ 75.104060][ T645] kernfs_fop_write_iter+0x2cd/0x410
[ 75.109425][ T645] ? cgroup_seqfile_stop+0xc0/0xc0
[ 75.114545][ T645] vfs_write+0xbb4/0xf30
[ 75.118772][ T645] ? file_end_write+0x1b0/0x1b0
[ 75.123617][ T645] ? mutex_lock+0xb6/0x130
[ 75.128036][ T645] ? bit_wait_io_timeout+0x110/0x110
[ 75.133308][ T645] ? __fdget_pos+0x26d/0x310
[ 75.137878][ T645] ? ksys_write+0x77/0x2c0
[ 75.142288][ T645] ksys_write+0x198/0x2c0
[ 75.146598][ T645] ? __ia32_sys_read+0x90/0x90
[ 75.151363][ T645] ? debug_smp_processor_id+0x17/0x20
[ 75.156725][ T645] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 75.162856][ T645] __x64_sys_write+0x7b/0x90
[ 75.167604][ T645] do_syscall_64+0x2f/0x50
[ 75.172006][ T645] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 75.178053][ T645] RIP: 0033:0x7f2a75dbc249
[ 75.182454][ T645] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 75.202050][ T645] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 75.210457][ T645] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 75.218423][ T645] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 75.226410][ T645] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 75.234370][ T645] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 75.242497][ T645] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 75.250921][ T645]
[ 75.254142][ T645] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 75.263935][ T430] ------------[ cut here ]------------
[ 75.269419][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 75.278422][ T430] Modules linked in:
[ 75.282358][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 75.292970][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 75.303107][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 75.308742][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 75.328637][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 75.334726][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 75.343075][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 75.351445][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 75.359504][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 75.367761][ T430] R13: ffff888110880300 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 75.376982][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 75.385945][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 75.392570][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 75.400541][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 75.408546][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 75.416533][ T430] Call Trace:
[ 75.419809][ T430]
[ 75.422748][ T430] ? lockref_get_or_lock+0x340/0x340
[ 75.428042][ T430] ? umount_tree+0xf40/0xf40
[ 75.432673][ T430] ? vfs_submount+0xb0/0xb0
[ 75.437262][ T430] ? dput+0x2b6/0x320
[ 75.441274][ T430] path_umount+0x1e0/0xf40
[ 75.445683][ T430] ? __kasan_slab_free+0x11/0x20
[ 75.450618][ T430] ? user_path_at_empty+0x152/0x1b0
[ 75.455913][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 75.460951][ T430] ? user_path_at_empty+0x152/0x1b0
[ 75.466523][ T430] __x64_sys_umount+0x122/0x170
[ 75.471407][ T430] ? path_umount+0xf40/0xf40
[ 75.475991][ T430] ? exit_to_user_mode_prepare+0x7d/0x80
[ 75.481811][ T430] do_syscall_64+0x2f/0x50
[ 75.486220][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 75.492990][ T430] RIP: 0033:0x7f2a75dbd657
[ 75.497487][ 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
[ 75.517105][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 75.525536][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 75.533529][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 75.541514][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 75.549480][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 75.557745][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 75.565736][ T430]
[ 75.568745][ T430] ---[ end trace 0000000000000000 ]---
[ 75.574315][ T430] ------------[ cut here ]------------
[ 75.579758][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1177 cleanup_mnt+0x4c5/0x510
[ 75.588298][ T430] Modules linked in:
[ 75.592355][ C0] ------------[ cut here ]------------
[ 75.592363][ C0] percpu ref (css_release) <= 0 (0) after switching to atomic
[ 75.592433][ C0] WARNING: CPU: 0 PID: 430 at lib/percpu-refcount.c:198 percpu_ref_switch_to_atomic_rcu+0x570/0x620
[ 75.592452][ C0] Modules linked in:
[ 75.592460][ C0] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 75.592470][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 75.592476][ C0] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x570/0x620
[ 75.592488][ C0] Code: 00 00 00 fc ff df 41 80 3c 06 00 74 08 4c 89 ef e8 25 9c 5b ff 49 8b 55 00 48 c7 c7 00 f4 67 85 48 89 de 31 c0 e8 00 d2 ef fe <0f> 0b e9 e0 fc ff ff e8 34 e6 1c ff 0f 0b e9 71 fe ff ff 48 c7 c1
[ 75.592498][ C0] RSP: 0018:ffffc90000007bc8 EFLAGS: 00010246
[ 75.592507][ C0] RAX: 77d5ebaacf86e300 RBX: ffffffff816858d0 RCX: ffff88810cd14300
[ 75.592514][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
[ 75.592521][ C0] RBP: ffffc90000007c10 R08: ffffffff8157ac48 R09: ffffed103ee44e8b
[ 75.592528][ C0] R10: ffffed103ee44e8b R11: 1ffff1103ee44e8a R12: 7fffffffffffffff
[ 75.592535][ C0] R13: ffff888123f89b00 R14: 1ffff110247f1360 R15: ffff888123f89b20
[ 75.592542][ C0] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 75.592550][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 75.592557][ C0] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 75.592566][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 75.592572][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 75.592578][ C0] Call Trace:
[ 75.592580][ C0]
[ 75.592584][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10
[ 75.592595][ C0] rcu_do_batch+0x507/0xbc0
[ 75.592608][ C0] ? local_bh_enable+0x20/0x20
[ 75.592618][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 75.592630][ C0] ? note_gp_changes+0x158/0x260
[ 75.592640][ C0] ? clockevents_program_event+0x218/0x2d0
[ 75.592650][ C0] rcu_core+0x4dc/0xef0
[ 75.592660][ C0] ? rcu_cpu_kthread_park+0x90/0x90
[ 75.592670][ C0] ? kvm_sched_clock_read+0x18/0x40
[ 75.592679][ C0] ? sched_clock+0x9/0x10
[ 75.592689][ C0] ? sched_clock_cpu+0x18/0x3b0
[ 75.592699][ C0] ? irqtime_account_irq+0x77/0x210
[ 75.592707][ C0] rcu_core_si+0x9/0x10
[ 75.592716][ C0] __do_softirq+0x24e/0x586
[ 75.592726][ C0] invoke_softirq+0x70/0xd0
[ 75.592734][ C0] __irq_exit_rcu+0x4f/0xb0
[ 75.592750][ C0] irq_exit_rcu+0x9/0x10
[ 75.592758][ C0] sysvec_apic_timer_interrupt+0x9a/0xc0
[ 75.592767][ C0]
[ 75.592770][ C0]
[ 75.592773][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 75.592783][ C0] RIP: 0010:console_unlock+0xbf9/0x11b0
[ 75.592794][ C0] Code: 00 48 81 e3 00 02 00 00 75 17 e8 a2 e6 18 00 45 84 ff 74 1c e9 fe 04 00 00 0f 1f 84 00 00 00 00 00 e8 8b e6 18 00 fb 45 84 ff <0f> 85 e7 04 00 00 48 c7 c7 60 fb 0d 86 be 04 00 00 00 e8 30 9e 57
[ 75.592802][ C0] RSP: 0018:ffffc9000161f740 EFLAGS: 00000246
[ 75.592809][ C0] RAX: ffffffff8157a5d5 RBX: 0000000000000200 RCX: ffff88810cd14300
[ 75.592816][ C0] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
[ 75.592822][ C0] RBP: ffffc9000161f990 R08: ffffffff8157a5b0 R09: 0000000000000003
[ 75.592828][ C0] R10: fffff520002c3ed9 R11: 1ffff920002c3ed8 R12: ffffffff863fa248
[ 75.592835][ C0] R13: ffffc9000161f900 R14: dffffc0000000000 R15: 0000000000000000
[ 75.592842][ C0] ? console_unlock+0xbd0/0x11b0
[ 75.592851][ C0] ? console_unlock+0xbf5/0x11b0
[ 75.592861][ C0] ? vprintk_emit+0x440/0x440
[ 75.592870][ C0] ? _raw_spin_lock_irqsave+0xf8/0x210
[ 75.592880][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 75.592889][ C0] ? printk_parse_prefix+0x310/0x310
[ 75.592899][ C0] ? __schedule+0xc5d/0x1020
[ 75.592908][ C0] ? console_trylock+0x190/0x200
[ 75.592917][ C0] ? resume_console+0x50/0x50
[ 75.592926][ C0] ? preempt_schedule+0xd9/0xe0
[ 75.592935][ C0] ? preempt_count_add+0x90/0x1a0
[ 75.592946][ C0] vprintk_emit+0x141/0x440
[ 75.592955][ C0] ? vprintk_store+0x1250/0x1250
[ 75.592965][ C0] vprintk_default+0x26/0x30
[ 75.592974][ C0] vprintk+0x86/0x90
[ 75.592983][ C0] _printk+0xcf/0x10f
[ 75.592992][ C0] ? vprintk_store+0x1250/0x1250
[ 75.593007][ C0] ? wake_up_klogd+0xb8/0xf0
[ 75.593016][ C0] ? panic+0x690/0x690
[ 75.593024][ C0] ? __kasan_check_write+0x14/0x20
[ 75.593034][ C0] ? vprintk_default+0x26/0x30
[ 75.593044][ C0] print_modules+0xf8/0x1f0
[ 75.593054][ C0] ? is_module_text_address+0x140/0x140
[ 75.593064][ C0] ? panic+0x690/0x690
[ 75.593073][ C0] __warn+0xf6/0x310
[ 75.593083][ C0] ? cleanup_mnt+0x4c5/0x510
[ 75.593092][ C0] report_bug+0x41b/0x580
[ 75.593100][ C0] ? cleanup_mnt+0x4c5/0x510
[ 75.593108][ C0] handle_bug+0x41/0x70
[ 75.593118][ C0] exc_invalid_op+0x1b/0x50
[ 75.593128][ C0] asm_exc_invalid_op+0x12/0x20
[ 75.593137][ C0] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 75.593145][ C0] Code: 7a 9c ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ee 95 b0 ff 48 8b 7d d0 e8 b5 ff 04 00 e9 21 fd ff ff e8 db 95 b0 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 a2 80 86 80 e1 07 80 c1 03 38 c1
[ 75.593153][ C0] RSP: 0018:ffffc9000161fe18 EFLAGS: 00010293
[ 75.593160][ C0] RAX: ffffffff81bff685 RBX: ffffe8ffffd0fdec RCX: ffff88810cd14300
[ 75.593167][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 75.593173][ C0] RBP: ffffc9000161fe68 R08: ffffffff81bff363 R09: 0000000000000003
[ 75.593179][ C0] R10: fffff520002c3fc1 R11: 1ffff920002c3fc0 R12: ffff888110880350
[ 75.593186][ C0] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 75.593192][ C0] ? cleanup_mnt+0x1a3/0x510
[ 75.593200][ C0] ? cleanup_mnt+0x4c5/0x510
[ 75.593208][ C0] ? cleanup_mnt+0x4c5/0x510
[ 75.593216][ C0] __cleanup_mnt+0x19/0x20
[ 75.593223][ C0] task_work_run+0x147/0x1b0
[ 75.593235][ C0] exit_to_user_mode_loop+0x8b/0xd0
[ 75.593252][ C0] exit_to_user_mode_prepare+0x59/0x80
[ 75.593269][ C0] syscall_exit_to_user_mode+0x24/0x40
[ 75.593285][ C0] do_syscall_64+0x3b/0x50
[ 75.593303][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 75.593320][ C0] RIP: 0033:0x7f2a75dbd657
[ 75.593329][ C0] 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
[ 75.593337][ C0] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 75.593347][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 75.593356][ C0] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 75.593367][ C0] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 75.593380][ C0] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 75.593392][ C0] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 75.593407][ C0]
[ 75.593410][ C0] ---[ end trace 0000000000000000 ]---
[ 75.593415][ C0] percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff888123f89b00 pointer offset 0 size 64
[ 76.295511][ T430] CPU: 1 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 76.306266][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.316836][ T659] FAULT_INJECTION: forcing a failure.
[ 76.316836][ T659] name failslab, interval 1, probability 0, space 0, times 0
[ 76.329687][ T659] CPU: 0 PID: 659 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 76.329699][ T430] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 76.340261][ T659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.340271][ T659] Call Trace:
[ 76.340277][ T659]
[ 76.340283][ T659] dump_stack_lvl+0x151/0x1b7
[ 76.340303][ T659] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 76.340319][ T659] ? pcpu_alloc+0xe83/0x1420
[ 76.340336][ T659] dump_stack+0x15/0x17
[ 76.346069][ T430] Code: 7a 9c ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ee 95 b0 ff 48 8b 7d d0 e8 b5 ff 04 00 e9 21 fd ff ff e8 db 95 b0 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 a2 80 86 80 e1 07 80 c1 03 38 c1
[ 76.355553][ T659] should_fail+0x3c0/0x510
[ 76.355577][ T659] ? percpu_ref_init+0xc9/0x350
[ 76.355595][ T659] __should_failslab+0x9f/0xe0
[ 76.359149][ T430] RSP: 0018:ffffc9000161fe18 EFLAGS: 00010293
[ 76.362065][ T659] should_failslab+0x9/0x20
[ 76.362084][ T659] kmem_cache_alloc_trace+0x4a/0x320
[ 76.362103][ T659] ? cgroup_setup_root+0xec0/0xec0
[ 76.367004][ T430]
[ 76.372180][ T659] percpu_ref_init+0xc9/0x350
[ 76.372201][ T659] ? cgroup_setup_root+0xec0/0xec0
[ 76.372218][ T659] cgroup_apply_control_enable+0x383/0x10c0
[ 76.377023][ T430] RAX: ffffffff81bff685 RBX: ffffe8ffffd0fdec RCX: ffff88810cd14300
[ 76.380927][ T659] cgroup_apply_control+0x93/0x710
[ 76.380946][ T659] ? css_next_child+0x160/0x160
[ 76.380965][ T659] ? wake_bit_function+0x230/0x230
[ 76.380981][ T659] ? kernfs_fop_write_iter+0x15b/0x410
[ 76.401177][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 76.405145][ T659] ? __kasan_check_write+0x14/0x20
[ 76.405170][ T659] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 76.410047][ T430] RBP: ffffc9000161fe68 R08: ffffffff81bff363 R09: 0000000000000003
[ 76.414742][ T659] cgroup_subtree_control_write+0xdde/0x1340
[ 76.414764][ T659] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 76.414782][ T659] ? __kasan_check_write+0x14/0x20
[ 76.421212][ T430] R10: fffff520002c3fc1 R11: 1ffff920002c3fc0 R12: ffff888110880350
[ 76.425299][ T659] ? _copy_from_iter+0x360/0xed0
[ 76.425338][ T659] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 76.430678][ T430] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 76.435691][ T659] cgroup_file_write+0x28e/0x590
[ 76.435714][ T659] ? cgroup_seqfile_stop+0xc0/0xc0
[ 76.435730][ T659] ? bit_wait_io_timeout+0x110/0x110
[ 76.438585][ T430] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 76.442808][ T659] ? __kasan_check_write+0x14/0x20
[ 76.442839][ T659] kernfs_fop_write_iter+0x2cd/0x410
[ 76.442863][ T659] ? cgroup_seqfile_stop+0xc0/0xc0
[ 76.442881][ T659] vfs_write+0xbb4/0xf30
[ 76.442898][ T659] ? file_end_write+0x1b0/0x1b0
[ 76.442912][ T659] ? mutex_lock+0xec/0x130
[ 76.448480][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 76.453893][ T659] ? bit_wait_io_timeout+0x110/0x110
[ 76.453926][ T659] ? __fdget_pos+0x26d/0x310
[ 76.453941][ T659] ? ksys_write+0x77/0x2c0
[ 76.462178][ T430] CR2: 000055555660f3b8 CR3: 0000000120e32000 CR4: 00000000003506a0
[ 76.466983][ T659] ksys_write+0x198/0x2c0
[ 76.467006][ T659] ? __ia32_sys_read+0x90/0x90
[ 76.472051][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 76.476911][ T659] ? debug_smp_processor_id+0x17/0x20
[ 76.476930][ T659] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 76.482561][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 76.490476][ T659] __x64_sys_write+0x7b/0x90
[ 76.490498][ T659] do_syscall_64+0x2f/0x50
[ 76.495955][ T430] Call Trace:
[ 76.500869][ T659] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 76.500898][ T659] RIP: 0033:0x7f2a75dbc249
[ 76.500913][ T659] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 76.509130][ T430]
[ 76.514822][ T659] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 76.514850][ T659] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 76.514863][ T659] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 76.514872][ T659] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 76.514881][ T659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 76.514891][ T659] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 76.521334][ T430] __cleanup_mnt+0x19/0x20
[ 76.525942][ T659]
[ 76.772952][ T430] task_work_run+0x147/0x1b0
[ 76.773038][ T432] ------------[ cut here ]------------
[ 76.777562][ T430] exit_to_user_mode_loop+0x8b/0xd0
[ 76.777584][ T430] exit_to_user_mode_prepare+0x59/0x80
[ 76.783060][ T432] WARNING: CPU: 0 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 76.788234][ T430] syscall_exit_to_user_mode+0x24/0x40
[ 76.793684][ T432] Modules linked in:
[ 76.802591][ T430] do_syscall_64+0x3b/0x50
[ 76.808030][ T432]
[ 76.808038][ T432] CPU: 0 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 76.811912][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 76.816308][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.818611][ T430] RIP: 0033:0x7f2a75dbd657
[ 76.829239][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 76.845652][ 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
[ 76.849589][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 76.849605][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 76.875046][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 76.894619][ T432]
[ 76.894627][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 76.894641][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 76.894651][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 76.894661][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
[ 76.894672][ T432] R13: ffff888110881c80 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 76.906791][ T430] ORIG_RAX: 00000000000000a6
[ 76.909082][ T432] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 76.909100][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 76.917096][ T430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 76.925133][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506b0
[ 76.925150][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 76.933136][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 76.941148][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 76.941162][ T432] Call Trace:
[ 76.949143][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 76.953768][ T432]
[ 76.953775][ T432] ? __kasan_check_write+0x14/0x20
[ 76.953797][ T432] ? up_write+0xa1/0x190
[ 76.978373][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 76.985208][ T432] ? vfs_submount+0xb0/0xb0
[ 76.985233][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 77.008284][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 77.009131][ T432] namespace_unlock+0x448/0x4f0
[ 77.016836][ T430]
[ 77.020439][ T432] ? umount_tree+0xf40/0xf40
[ 77.020460][ T432] ? __detach_mounts+0x670/0x670
[ 77.030926][ T430] ---[ end trace 0000000000000000 ]---
[ 77.032693][ T432] ? selinux_umount+0xf3/0x130
[ 77.087180][ T432] ? security_sb_umount+0x9d/0xb0
[ 77.092213][ T432] path_umount+0xe89/0xf40
[ 77.096718][ T432] ? __kasan_slab_free+0x11/0x20
[ 77.101824][ T432] ? user_path_at_empty+0x152/0x1b0
[ 77.107019][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 77.112044][ T432] ? user_path_at_empty+0x152/0x1b0
[ 77.117425][ T432] __x64_sys_umount+0x122/0x170
[ 77.122277][ T432] ? path_umount+0xf40/0xf40
[ 77.126865][ T432] ? debug_smp_processor_id+0x17/0x20
[ 77.132238][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 77.138655][ T432] do_syscall_64+0x2f/0x50
[ 77.143168][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 77.149051][ T432] RIP: 0033:0x7f2a75dbd657
[ 77.153464][ T432] 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
[ 77.173096][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 77.181688][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 77.189645][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 77.197616][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 77.205585][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 77.213554][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 77.221737][ T432]
[ 77.224754][ T432] ---[ end trace 0000000000000000 ]---
[ 77.230841][ T432] ------------[ cut here ]------------
[ 77.231561][ T637] FAULT_INJECTION: forcing a failure.
[ 77.231561][ T637] name failslab, interval 1, probability 0, space 0, times 0
[ 77.236326][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 77.249008][ T637] CPU: 0 PID: 637 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 77.257921][ T432] Modules linked in:
[ 77.268450][ T637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 77.268460][ T637] Call Trace:
[ 77.268467][ T637]
[ 77.272602][ T432]
[ 77.282799][ T637] dump_stack_lvl+0x151/0x1b7
[ 77.286072][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 77.288993][ T637] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 77.291335][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 77.295985][ T637] dump_stack+0x15/0x17
[ 77.306579][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 77.311988][ T637] should_fail+0x3c0/0x510
[ 77.322044][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 77.326246][ T637] ? pids_css_alloc+0x4e/0x120
[ 77.332036][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 77.336425][ T637] __should_failslab+0x9f/0xe0
[ 77.356019][ T432]
[ 77.360838][ T637] should_failslab+0x9/0x20
[ 77.360856][ T637] kmem_cache_alloc_trace+0x4a/0x320
[ 77.360871][ T637] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 77.360890][ T637] pids_css_alloc+0x4e/0x120
[ 77.366928][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27d3c0
[ 77.371662][ T637] cgroup_apply_control_enable+0x335/0x10c0
[ 77.371684][ T637] cgroup_apply_control+0x93/0x710
[ 77.374002][ T432] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 77.378477][ T637] ? css_next_child+0x160/0x160
[ 77.383747][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 77.388904][ T637] ? wake_bit_function+0x230/0x230
[ 77.393477][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 77.401418][ T637] ? kernfs_fop_write_iter+0x15b/0x410
[ 77.407902][ T432] R13: ffff888110881c80 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 77.413000][ T637] ? __kasan_check_write+0x14/0x20
[ 77.413027][ T637] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 77.413044][ T637] cgroup_subtree_control_write+0xdde/0x1340
[ 77.413063][ T637] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 77.421036][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 77.425844][ T637] ? __kasan_check_write+0x14/0x20
[ 77.433809][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 77.438903][ T637] ? _copy_from_iter+0x360/0xed0
[ 77.446869][ T432] CR2: 00007ffe15c0e83c CR3: 00000001210ae000 CR4: 00000000003506a0
[ 77.452380][ T637] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 77.460363][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 77.465441][ T637] cgroup_file_write+0x28e/0x590
[ 77.465461][ T637] ? cgroup_seqfile_stop+0xc0/0xc0
[ 77.465475][ T637] ? bit_wait_io_timeout+0x110/0x110
[ 77.470746][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 77.476684][ T637] ? __kasan_check_write+0x14/0x20
[ 77.482650][ T432] Call Trace:
[ 77.491816][ T637] kernfs_fop_write_iter+0x2cd/0x410
[ 77.496921][ T432]
[ 77.503476][ T637] ? cgroup_seqfile_stop+0xc0/0xc0
[ 77.503497][ T637] vfs_write+0xbb4/0xf30
[ 77.508408][ T432] ? lockref_get_or_lock+0x340/0x340
[ 77.516372][ T637] ? file_end_write+0x1b0/0x1b0
[ 77.516400][ T637] ? mutex_lock+0xb6/0x130
[ 77.516416][ T637] ? bit_wait_io_timeout+0x110/0x110
[ 77.516432][ T637] ? __fdget_pos+0x26d/0x310
[ 77.522396][ T432] ? umount_tree+0xf40/0xf40
[ 77.530327][ T637] ? ksys_write+0x77/0x2c0
[ 77.535257][ T432] ? vfs_submount+0xb0/0xb0
[ 77.540326][ T637] ksys_write+0x198/0x2c0
[ 77.545606][ T432] ? dput+0x2b6/0x320
[ 77.553687][ T637] ? __ia32_sys_read+0x90/0x90
[ 77.558779][ T432] path_umount+0x1e0/0xf40
[ 77.562047][ T637] ? debug_smp_processor_id+0x17/0x20
[ 77.562064][ T637] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 77.562079][ T637] __x64_sys_write+0x7b/0x90
[ 77.567346][ T432] ? __kasan_slab_free+0x11/0x20
[ 77.570267][ T637] do_syscall_64+0x2f/0x50
[ 77.575365][ T432] ? user_path_at_empty+0x152/0x1b0
[ 77.579563][ T637] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 77.584930][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 77.589746][ T637] RIP: 0033:0x7f2a75dbc249
[ 77.594144][ T432] ? user_path_at_empty+0x152/0x1b0
[ 77.599565][ T637] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 77.604140][ T432] __x64_sys_umount+0x122/0x170
[ 77.608686][ T637] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246
[ 77.613089][ T432] ? path_umount+0xf40/0xf40
[ 77.617543][ T637] ORIG_RAX: 0000000000000001
[ 77.621856][ T432] ? debug_smp_processor_id+0x17/0x20
[ 77.625819][ T637] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 77.630556][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 77.635031][ T637] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 77.635043][ T637] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 77.635055][ T637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 77.640391][ T432] do_syscall_64+0x2f/0x50
[ 77.646423][ T637] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 77.646441][ T637]
[ 77.651008][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 77.789997][ T432] RIP: 0033:0x7f2a75dbd657
[ 77.794420][ T432] 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
[ 77.814107][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 77.822530][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 77.830488][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 77.838473][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 77.846538][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 77.854518][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 77.862498][ T432]
[ 77.865499][ T432] ---[ end trace 0000000000000000 ]---
[ 77.872978][ T429] ------------[ cut here ]------------
[ 77.878452][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 77.887438][ T429] Modules linked in:
[ 77.891359][ T429] CPU: 1 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 77.902041][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 77.912112][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 77.917761][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 77.937471][ T429] RSP: 0018:ffffc9000160fba0 EFLAGS: 00010293
[ 77.943567][ T429] RAX: ffffffff81beb524 RBX: 00000000fffffffb RCX: ffff88810dd310c0
[ 77.951627][ T429] RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000
[ 77.959588][ T429] RBP: ffffc9000160fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 77.967581][ T429] R10: fffff520002c1f65 R11: 1ffff920002c1f64 R12: dffffc0000000000
[ 77.975672][ T429] R13: ffff888110880600 R14: ffffc9000160fc00 R15: 1ffff920002c1f7c
[ 77.983665][ T429] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 77.992611][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 77.999272][ T429] CR2: 00007ffe15c0f92c CR3: 0000000120e48000 CR4: 00000000003506a0
[ 78.007281][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 78.015255][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 78.023237][ T429] Call Trace:
[ 78.026593][ T429]
[ 78.029509][ T429] ? __kasan_check_write+0x14/0x20
[ 78.034682][ T429] ? up_write+0xa1/0x190
[ 78.038930][ T429] ? vfs_submount+0xb0/0xb0
[ 78.043444][ T429] ? change_mnt_propagation+0x8de/0xbc0
[ 78.048981][ T429] namespace_unlock+0x448/0x4f0
[ 78.053844][ T429] ? umount_tree+0xf40/0xf40
[ 78.058424][ T429] ? __detach_mounts+0x670/0x670
[ 78.063484][ T429] ? selinux_umount+0xf3/0x130
[ 78.068238][ T429] ? security_sb_umount+0x9d/0xb0
[ 78.073301][ T429] path_umount+0xe89/0xf40
[ 78.077708][ T429] ? __kasan_slab_free+0x11/0x20
[ 78.082657][ T429] ? user_path_at_empty+0x152/0x1b0
[ 78.088042][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 78.093185][ T429] ? user_path_at_empty+0x152/0x1b0
[ 78.098571][ T429] __x64_sys_umount+0x122/0x170
[ 78.103546][ T429] ? path_umount+0xf40/0xf40
[ 78.108131][ T429] ? debug_smp_processor_id+0x17/0x20
[ 78.113632][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 78.119280][ T429] do_syscall_64+0x2f/0x50
[ 78.123717][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 78.129879][ T429] RIP: 0033:0x7f2a75dbd657
[ 78.134322][ 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
[ 78.154315][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 78.163213][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 78.171809][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 78.180226][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 78.188223][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 78.196710][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 78.204701][ T429]
[ 78.207713][ T429] ---[ end trace 0000000000000000 ]---
[ 78.213283][ T429] ------------[ cut here ]------------
[ 78.218825][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 78.227901][ T429] Modules linked in:
[ 78.231827][ T429] CPU: 1 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 78.242612][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 78.253037][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 78.258846][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 78.278494][ T429] RSP: 0018:ffffc9000160fca0 EFLAGS: 00010293
[ 78.284567][ T429] RAX: ffffffff81beb524 RBX: 00000000fffffffa RCX: ffff88810dd310c0
[ 78.292556][ T429] RDX: 0000000000000000 RSI: 00000000fffffffa RDI: 0000000000000000
[ 78.300527][ T429] RBP: ffffc9000160fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 78.308526][ T429] R10: fffff520002c1f85 R11: 1ffff920002c1f84 R12: dffffc0000000000
[ 78.316501][ T429] R13: ffff888110880600 R14: ffffc9000160fd00 R15: 1ffff920002c1f9c
[ 78.324489][ T429] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 78.333595][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.340237][ T429] CR2: 00007ffe15c0f92c CR3: 0000000120e48000 CR4: 00000000003506a0
[ 78.348231][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 78.356330][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 78.364325][ T429] Call Trace:
[ 78.367595][ T429]
[ 78.370510][ T429] ? lockref_get_or_lock+0x340/0x340
[ 78.375823][ T429] ? umount_tree+0xf40/0xf40
[ 78.380409][ T429] ? vfs_submount+0xb0/0xb0
[ 78.384929][ T429] ? dput+0x2b6/0x320
[ 78.388903][ T429] path_umount+0x1e0/0xf40
[ 78.393339][ T429] ? __kasan_slab_free+0x11/0x20
[ 78.398380][ T429] ? user_path_at_empty+0x152/0x1b0
[ 78.406892][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 78.411956][ T429] ? user_path_at_empty+0x152/0x1b0
[ 78.417147][ T429] __x64_sys_umount+0x122/0x170
[ 78.422033][ T429] ? path_umount+0xf40/0xf40
[ 78.426614][ T429] ? debug_smp_processor_id+0x17/0x20
[ 78.432036][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 78.437675][ T429] do_syscall_64+0x2f/0x50
[ 78.442206][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 78.448267][ T429] RIP: 0033:0x7f2a75dbd657
[ 78.452709][ 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
[ 78.472505][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 78.480929][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 78.489027][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 78.497044][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 78.505043][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 78.513225][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 78.521747][ T429]
[ 78.524765][ T429] ---[ end trace 0000000000000000 ]---
[ 78.531477][ T662] FAULT_INJECTION: forcing a failure.
[ 78.531477][ T662] name failslab, interval 1, probability 0, space 0, times 0
[ 78.547827][ T662] CPU: 1 PID: 662 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 78.558439][ T662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 78.568506][ T662] Call Trace:
[ 78.572053][ T662]
[ 78.574985][ T662] dump_stack_lvl+0x151/0x1b7
[ 78.579653][ T662] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 78.585100][ T662] ? selinux_kernfs_init_security+0x1a8/0x760
[ 78.591148][ T662] dump_stack+0x15/0x17
[ 78.595283][ T662] should_fail+0x3c0/0x510
[ 78.599701][ T662] __should_failslab+0x9f/0xe0
[ 78.604453][ T662] should_failslab+0x9/0x20
[ 78.608935][ T662] kmem_cache_alloc+0x4f/0x300
[ 78.613681][ T662] ? __kernfs_new_node+0xdb/0x6e0
[ 78.621464][ T662] __kernfs_new_node+0xdb/0x6e0
[ 78.626295][ T662] ? stack_trace_save+0x1f0/0x1f0
[ 78.631302][ T662] ? kernfs_new_node+0x170/0x170
[ 78.636222][ T662] ? ptr_to_hashval+0x60/0x60
[ 78.640971][ T662] ? up_read+0x1b0/0x1b0
[ 78.645377][ T662] ? snprintf+0xd6/0x120
[ 78.649609][ T662] kernfs_new_node+0x97/0x170
[ 78.654302][ T662] __kernfs_create_file+0x4a/0x270
[ 78.659406][ T662] cgroup_addrm_files+0xab8/0xfe0
[ 78.664432][ T662] ? ____kasan_kmalloc+0xdc/0x110
[ 78.669455][ T662] ? __kasan_kmalloc+0x9/0x10
[ 78.674111][ T662] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 78.679657][ T662] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 78.685836][ T662] ? delete_node+0x759/0x7b0
[ 78.690417][ T662] ? __kasan_check_read+0x11/0x20
[ 78.695433][ T662] ? idr_replace+0x1c4/0x230
[ 78.700227][ T662] ? idr_get_next+0x4b0/0x4b0
[ 78.705056][ T662] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 78.710120][ T662] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 78.715420][ T662] css_populate_dir+0x137/0x370
[ 78.720267][ T662] cgroup_apply_control_enable+0x889/0x10c0
[ 78.726402][ T662] cgroup_apply_control+0x93/0x710
[ 78.731493][ T662] ? css_next_child+0x160/0x160
[ 78.736322][ T662] ? wake_bit_function+0x230/0x230
[ 78.741512][ T662] ? kernfs_fop_write_iter+0x15b/0x410
[ 78.747040][ T662] ? __kasan_check_write+0x14/0x20
[ 78.752303][ T662] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 78.757577][ T662] cgroup_subtree_control_write+0xdde/0x1340
[ 78.763629][ T662] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 78.769674][ T662] ? __kasan_check_write+0x14/0x20
[ 78.774785][ T662] ? _copy_from_iter+0x360/0xed0
[ 78.779708][ T662] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 78.785906][ T662] cgroup_file_write+0x28e/0x590
[ 78.790854][ T662] ? cgroup_seqfile_stop+0xc0/0xc0
[ 78.795978][ T662] ? bit_wait_io_timeout+0x110/0x110
[ 78.801271][ T662] ? __kasan_check_write+0x14/0x20
[ 78.806381][ T662] kernfs_fop_write_iter+0x2cd/0x410
[ 78.811654][ T662] ? cgroup_seqfile_stop+0xc0/0xc0
[ 78.816762][ T662] vfs_write+0xbb4/0xf30
[ 78.821007][ T662] ? file_end_write+0x1b0/0x1b0
[ 78.825840][ T662] ? mutex_lock+0xec/0x130
[ 78.830238][ T662] ? bit_wait_io_timeout+0x110/0x110
[ 78.835515][ T662] ? __fdget_pos+0x26d/0x310
[ 78.840130][ T662] ? ksys_write+0x77/0x2c0
[ 78.844545][ T662] ksys_write+0x198/0x2c0
[ 78.848874][ T662] ? __ia32_sys_read+0x90/0x90
[ 78.853628][ T662] ? debug_smp_processor_id+0x17/0x20
[ 78.858990][ T662] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 78.865047][ T662] __x64_sys_write+0x7b/0x90
[ 78.869620][ T662] do_syscall_64+0x2f/0x50
[ 78.874021][ T662] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 78.879915][ T662] RIP: 0033:0x7f2a75dbc249
[ 78.884317][ T662] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 78.903915][ T662] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 78.912331][ T662] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 78.920399][ T662] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 78.928359][ T662] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 78.936337][ T662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 78.944290][ T662] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 78.952250][ T662]
[ 78.955971][ T662] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 78.977607][ T431] ------------[ cut here ]------------
[ 78.983122][ T431] WARNING: CPU: 1 PID: 431 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 78.992087][ T431] Modules linked in:
[ 78.995981][ T431] CPU: 1 PID: 431 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 79.006574][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.016733][ T431] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 79.022466][ T431] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 79.042205][ T431] RSP: 0018:ffffc9000162fca0 EFLAGS: 00010293
[ 79.048341][ T431] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd00000
[ 79.057855][ T431] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 79.069966][ T431] RBP: ffffc9000162fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 79.078858][ T431] R10: fffff520002c5f85 R11: 1ffff920002c5f84 R12: dffffc0000000000
[ 79.086850][ T431] R13: ffff88810e639680 R14: ffffc9000162fd00 R15: 1ffff920002c5f9c
[ 79.094940][ T431] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 79.104044][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.110711][ T431] CR2: 00007ffd7a051c88 CR3: 00000001210f6000 CR4: 00000000003506a0
[ 79.118711][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.126698][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.134856][ T431] Call Trace:
[ 79.138131][ T431]
[ 79.141071][ T431] ? lockref_get_or_lock+0x340/0x340
[ 79.146472][ T431] ? umount_tree+0xf40/0xf40
[ 79.151089][ T431] ? vfs_submount+0xb0/0xb0
[ 79.155590][ T431] ? dput+0x2b6/0x320
[ 79.159560][ T431] path_umount+0x1e0/0xf40
[ 79.164025][ T431] ? __kasan_slab_free+0x11/0x20
[ 79.168990][ T431] ? user_path_at_empty+0x152/0x1b0
[ 79.171050][ T653] FAULT_INJECTION: forcing a failure.
[ 79.171050][ T653] name failslab, interval 1, probability 0, space 0, times 0
[ 79.174198][ T431] ? namespace_unlock+0x4f0/0x4f0
[ 79.192331][ T431] ? user_path_at_empty+0x152/0x1b0
[ 79.197530][ T431] __x64_sys_umount+0x122/0x170
[ 79.202411][ T431] ? path_umount+0xf40/0xf40
[ 79.207359][ T431] ? exit_to_user_mode_prepare+0x7d/0x80
[ 79.213018][ T431] do_syscall_64+0x2f/0x50
[ 79.217466][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 79.223931][ T431] RIP: 0033:0x7f2a75dbd657
[ 79.228355][ 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
[ 79.238372][ T653] CPU: 0 PID: 653 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 79.248146][ T431] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 79.258769][ T653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.258780][ T653] Call Trace:
[ 79.258786][ T653]
[ 79.258794][ T653] dump_stack_lvl+0x151/0x1b7
[ 79.264926][ T431] ORIG_RAX: 00000000000000a6
[ 79.275033][ T653] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 79.278305][ T431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 79.281224][ T653] ? pcpu_alloc+0xe83/0x1420
[ 79.281245][ T653] dump_stack+0x15/0x17
[ 79.285893][ T431] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 79.290542][ T653] should_fail+0x3c0/0x510
[ 79.296140][ T431] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 79.304068][ T653] ? percpu_ref_init+0xc9/0x350
[ 79.308655][ T431] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 79.312784][ T653] __should_failslab+0x9f/0xe0
[ 79.320958][ T431] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 79.325330][ T653] should_failslab+0x9/0x20
[ 79.333306][ T431]
[ 79.338106][ T653] kmem_cache_alloc_trace+0x4a/0x320
[ 79.346075][ T431] ---[ end trace 0000000000000000 ]---
[ 79.350890][ T653] ? cgroup_setup_root+0xec0/0xec0
[ 79.383243][ T653] percpu_ref_init+0xc9/0x350
[ 79.387910][ T653] ? cgroup_setup_root+0xec0/0xec0
[ 79.393239][ T653] cgroup_apply_control_enable+0x383/0x10c0
[ 79.399323][ T653] cgroup_apply_control+0x93/0x710
[ 79.404475][ T653] ? css_next_child+0x160/0x160
[ 79.409322][ T653] ? wake_bit_function+0x230/0x230
[ 79.414446][ T653] ? kernfs_fop_write_iter+0x15b/0x410
[ 79.419977][ T653] ? __kasan_check_write+0x14/0x20
[ 79.425077][ T653] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 79.430349][ T653] cgroup_subtree_control_write+0xdde/0x1340
[ 79.436450][ T653] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 79.442425][ T653] ? __kasan_check_write+0x14/0x20
[ 79.447528][ T653] ? _copy_from_iter+0x360/0xed0
[ 79.452453][ T653] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 79.458427][ T653] cgroup_file_write+0x28e/0x590
[ 79.463357][ T653] ? cgroup_seqfile_stop+0xc0/0xc0
[ 79.468467][ T653] ? bit_wait_io_timeout+0x110/0x110
[ 79.474270][ T653] ? __kasan_check_write+0x14/0x20
[ 79.479374][ T653] kernfs_fop_write_iter+0x2cd/0x410
[ 79.484815][ T653] ? cgroup_seqfile_stop+0xc0/0xc0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 79.489930][ T653] vfs_write+0xbb4/0xf30
[ 79.494160][ T653] ? file_end_write+0x1b0/0x1b0
[ 79.499001][ T653] ? mutex_lock+0xec/0x130
[ 79.503523][ T653] ? bit_wait_io_timeout+0x110/0x110
[ 79.508804][ T653] ? __fdget_pos+0x26d/0x310
[ 79.513615][ T653] ? ksys_write+0x77/0x2c0
[ 79.518101][ T653] ksys_write+0x198/0x2c0
[ 79.524547][ T653] ? save_fpregs_to_fpstate+0x210/0x210
[ 79.530203][ T653] ? __ia32_sys_read+0x90/0x90
[ 79.534979][ T653] ? __kasan_check_write+0x14/0x20
[ 79.540196][ T653] ? switch_fpu_return+0x129/0x260
[ 79.545299][ T653] __x64_sys_write+0x7b/0x90
[ 79.549940][ T653] do_syscall_64+0x2f/0x50
[ 79.554432][ T653] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 79.560777][ T653] RIP: 0033:0x7f2a75dbc249
[ 79.565275][ T653] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 79.585137][ T653] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 79.593650][ T653] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 79.601707][ T653] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 79.610013][ T653] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 79.617973][ T653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 79.626111][ T653] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 79.634072][ T653]
[ 79.639183][ T434] ------------[ cut here ]------------
[ 79.644683][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 79.653628][ T434] Modules linked in:
[ 79.657586][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 79.668247][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.678584][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 79.684221][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 79.704177][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 79.710226][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 79.718282][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 79.726380][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 79.734712][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 79.743813][ T434] R13: ffff8881112fbc80 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 79.751806][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 79.760760][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.767427][ T434] CR2: 00007ffe15c0f92c CR3: 000000012112d000 CR4: 00000000003506b0
[ 79.776067][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.784065][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.792246][ T434] Call Trace:
[ 79.795519][ T434]
[ 79.798473][ T434] ? __kasan_check_write+0x14/0x20
[ 79.803777][ T434] ? up_write+0xa1/0x190
[ 79.808005][ T434] ? vfs_submount+0xb0/0xb0
[ 79.812588][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 79.818262][ T434] namespace_unlock+0x448/0x4f0
[ 79.823244][ T434] ? umount_tree+0xf40/0xf40
[ 79.827843][ T434] ? __detach_mounts+0x670/0x670
[ 79.832782][ T434] ? selinux_umount+0xf3/0x130
[ 79.837532][ T434] ? security_sb_umount+0x9d/0xb0
[ 79.842553][ T434] path_umount+0xe89/0xf40
[ 79.846948][ T434] ? __kasan_slab_free+0x11/0x20
[ 79.851974][ T434] ? user_path_at_empty+0x152/0x1b0
[ 79.857239][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 79.862282][ T434] ? user_path_at_empty+0x152/0x1b0
[ 79.867565][ T434] __x64_sys_umount+0x122/0x170
[ 79.872589][ T434] ? path_umount+0xf40/0xf40
[ 79.877172][ T434] ? debug_smp_processor_id+0x17/0x20
[ 79.882566][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 79.888187][ T434] do_syscall_64+0x2f/0x50
[ 79.892612][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 79.898485][ T434] RIP: 0033:0x7f2a75dbd657
[ 79.902898][ T434] 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
[ 79.922704][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 79.931129][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 79.939352][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 79.947364][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 79.955635][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 79.963634][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 79.971612][ T434]
[ 79.974611][ T434] ---[ end trace 0000000000000000 ]---
[ 79.983874][ T432] ------------[ cut here ]------------
[ 79.989353][ T432] WARNING: CPU: 0 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 79.998395][ T432] Modules linked in:
[ 80.002286][ T432] CPU: 0 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 80.012884][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 80.023150][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 80.028878][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 80.048493][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 80.054578][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 80.062549][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 80.070505][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 80.078482][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 80.086473][ T432] R13: ffff88810e638d80 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 80.094456][ T432] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 80.103390][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 80.109963][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506b0
[ 80.118071][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 80.126304][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 80.134278][ T432] Call Trace:
[ 80.137543][ T432]
[ 80.140490][ T432] ? lockref_get_or_lock+0x340/0x340
[ 80.146156][ T432] ? umount_tree+0xf40/0xf40
[ 80.150771][ T432] ? vfs_submount+0xb0/0xb0
[ 80.155280][ T432] ? dput+0x2b6/0x320
[ 80.159299][ T432] path_umount+0x1e0/0xf40
[ 80.163727][ T432] ? __kasan_slab_free+0x11/0x20
[ 80.168661][ T432] ? user_path_at_empty+0x152/0x1b0
[ 80.173867][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 80.178976][ T432] ? user_path_at_empty+0x152/0x1b0
[ 80.184277][ T432] __x64_sys_umount+0x122/0x170
[ 80.189302][ T432] ? path_umount+0xf40/0xf40
[ 80.193892][ T432] ? debug_smp_processor_id+0x17/0x20
[ 80.199252][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 80.204894][ T432] do_syscall_64+0x2f/0x50
[ 80.209302][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 80.215217][ T432] RIP: 0033:0x7f2a75dbd657
[ 80.219628][ T432] 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
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 80.239419][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 80.247936][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 80.255930][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 80.264252][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 80.272225][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 80.280193][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 80.288193][ T432]
[ 80.291310][ T432] ---[ end trace 0000000000000000 ]---
[ 80.301381][ T684] FAULT_INJECTION: forcing a failure.
[ 80.301381][ T684] name failslab, interval 1, probability 0, space 0, times 0
[ 80.315850][ T684] CPU: 1 PID: 684 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 80.326458][ T684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 80.336499][ T684] Call Trace:
[ 80.339777][ T684]
[ 80.342779][ T684] dump_stack_lvl+0x151/0x1b7
[ 80.347442][ T684] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 80.353604][ T684] ? pcpu_alloc+0xe83/0x1420
[ 80.358194][ T684] dump_stack+0x15/0x17
[ 80.362334][ T684] should_fail+0x3c0/0x510
[ 80.366743][ T684] ? percpu_ref_init+0xc9/0x350
[ 80.371589][ T684] __should_failslab+0x9f/0xe0
[ 80.376349][ T684] should_failslab+0x9/0x20
[ 80.380843][ T684] kmem_cache_alloc_trace+0x4a/0x320
[ 80.386111][ T684] ? cgroup_setup_root+0xec0/0xec0
[ 80.391289][ T684] percpu_ref_init+0xc9/0x350
[ 80.395949][ T684] ? cgroup_setup_root+0xec0/0xec0
[ 80.401075][ T684] cgroup_apply_control_enable+0x383/0x10c0
[ 80.407077][ T684] cgroup_apply_control+0x93/0x710
[ 80.412347][ T684] ? css_next_child+0x160/0x160
[ 80.417193][ T684] ? wake_bit_function+0x230/0x230
[ 80.422289][ T684] ? kernfs_fop_write_iter+0x15b/0x410
[ 80.427834][ T684] ? __kasan_check_write+0x14/0x20
[ 80.432957][ T684] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 80.438224][ T684] cgroup_subtree_control_write+0xdde/0x1340
[ 80.444288][ T684] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 80.450267][ T684] ? __kasan_check_write+0x14/0x20
[ 80.455360][ T684] ? _copy_from_iter+0x360/0xed0
[ 80.460363][ T684] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 80.466450][ T684] cgroup_file_write+0x28e/0x590
[ 80.471381][ T684] ? cgroup_seqfile_stop+0xc0/0xc0
[ 80.476722][ T684] ? bit_wait_io_timeout+0x110/0x110
[ 80.482009][ T684] ? __kasan_check_write+0x14/0x20
[ 80.487127][ T684] kernfs_fop_write_iter+0x2cd/0x410
[ 80.492556][ T684] ? cgroup_seqfile_stop+0xc0/0xc0
[ 80.497832][ T684] vfs_write+0xbb4/0xf30
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 80.502089][ T684] ? file_end_write+0x1b0/0x1b0
[ 80.507026][ T684] ? mutex_lock+0xb6/0x130
[ 80.511429][ T684] ? bit_wait_io_timeout+0x110/0x110
[ 80.516791][ T684] ? __fdget_pos+0x26d/0x310
[ 80.521373][ T684] ? ksys_write+0x77/0x2c0
[ 80.525790][ T684] ksys_write+0x198/0x2c0
[ 80.530097][ T684] ? __ia32_sys_read+0x90/0x90
[ 80.534844][ T684] ? debug_smp_processor_id+0x17/0x20
[ 80.540210][ T684] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 80.546542][ T684] __x64_sys_write+0x7b/0x90
[ 80.551113][ T684] do_syscall_64+0x2f/0x50
[ 80.555519][ T684] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 80.561402][ T684] RIP: 0033:0x7f2a75dbc249
[ 80.565803][ T684] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 80.585407][ T684] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 80.593814][ T684] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 80.601797][ T684] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 80.609791][ T684] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 80.617926][ T684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 80.625892][ T684] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 80.633856][ T684]
[ 80.681762][ T665] FAULT_INJECTION: forcing a failure.
[ 80.681762][ T665] name failslab, interval 1, probability 0, space 0, times 0
[ 80.694769][ T665] CPU: 0 PID: 665 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 80.705357][ T665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 80.715702][ T665] Call Trace:
[ 80.718990][ T665]
[ 80.722041][ T665] dump_stack_lvl+0x151/0x1b7
[ 80.726712][ T665] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 80.732244][ T665] ? pcpu_alloc+0xe83/0x1420
[ 80.736822][ T665] dump_stack+0x15/0x17
[ 80.740974][ T665] should_fail+0x3c0/0x510
[ 80.745397][ T665] ? percpu_ref_init+0xc9/0x350
[ 80.750268][ T665] __should_failslab+0x9f/0xe0
[ 80.755020][ T665] should_failslab+0x9/0x20
[ 80.759518][ T665] kmem_cache_alloc_trace+0x4a/0x320
[ 80.764801][ T665] ? cgroup_setup_root+0xec0/0xec0
[ 80.770086][ T665] percpu_ref_init+0xc9/0x350
[ 80.774851][ T665] ? cgroup_setup_root+0xec0/0xec0
[ 80.780062][ T665] cgroup_apply_control_enable+0x383/0x10c0
[ 80.785989][ T665] cgroup_apply_control+0x93/0x710
[ 80.791153][ T665] ? css_next_child+0x160/0x160
[ 80.796009][ T665] ? wake_bit_function+0x230/0x230
[ 80.801136][ T665] ? kernfs_fop_write_iter+0x15b/0x410
[ 80.806600][ T665] ? __kasan_check_write+0x14/0x20
[ 80.811701][ T665] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 80.816976][ T665] cgroup_subtree_control_write+0xdde/0x1340
[ 80.822942][ T665] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 80.828913][ T665] ? __kasan_check_write+0x14/0x20
[ 80.834004][ T665] ? _copy_from_iter+0x360/0xed0
[ 80.839434][ T665] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 80.845398][ T665] cgroup_file_write+0x28e/0x590
[ 80.850321][ T665] ? cgroup_seqfile_stop+0xc0/0xc0
[ 80.855449][ T665] ? bit_wait_io_timeout+0x110/0x110
[ 80.860890][ T665] ? __kasan_check_write+0x14/0x20
[ 80.866261][ T665] kernfs_fop_write_iter+0x2cd/0x410
[ 80.871623][ T665] ? cgroup_seqfile_stop+0xc0/0xc0
[ 80.876716][ T665] vfs_write+0xbb4/0xf30
[ 80.881261][ T665] ? file_end_write+0x1b0/0x1b0
[ 80.886103][ T665] ? mutex_lock+0xec/0x130
[ 80.890500][ T665] ? bit_wait_io_timeout+0x110/0x110
[ 80.895857][ T665] ? __fdget_pos+0x26d/0x310
[ 80.900605][ T665] ? ksys_write+0x77/0x2c0
[ 80.905010][ T665] ksys_write+0x198/0x2c0
[ 80.909329][ T665] ? __ia32_sys_read+0x90/0x90
[ 80.914259][ T665] ? debug_smp_processor_id+0x17/0x20
[ 80.919614][ T665] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 80.925815][ T665] __x64_sys_write+0x7b/0x90
[ 80.930391][ T665] do_syscall_64+0x2f/0x50
[ 80.934802][ T665] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 80.940721][ T665] RIP: 0033:0x7f2a75dbc249
[ 80.945129][ T665] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 80.964832][ T665] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 80.973402][ T665] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 80.981359][ T665] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 80.989516][ T665] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 80.997557][ T665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 81.005685][ T665] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 81.013644][ T665]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 81.061247][ T683] FAULT_INJECTION: forcing a failure.
[ 81.061247][ T683] name failslab, interval 1, probability 0, space 0, times 0
[ 81.074091][ T683] CPU: 1 PID: 683 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 81.084781][ T683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 81.095032][ T683] Call Trace:
[ 81.098563][ T683]
[ 81.101490][ T683] dump_stack_lvl+0x151/0x1b7
[ 81.106153][ T683] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 81.111594][ T683] ? selinux_kernfs_init_security+0x1a8/0x760
[ 81.117639][ T683] dump_stack+0x15/0x17
[ 81.121779][ T683] should_fail+0x3c0/0x510
[ 81.126178][ T683] ? __kernfs_new_node+0x99/0x6e0
[ 81.131184][ T683] __should_failslab+0x9f/0xe0
[ 81.135939][ T683] should_failslab+0x9/0x20
[ 81.140429][ T683] __kmalloc_track_caller+0x6c/0x340
[ 81.145717][ T683] kstrdup_const+0x55/0x90
[ 81.150224][ T683] __kernfs_new_node+0x99/0x6e0
[ 81.155072][ T683] ? stack_trace_save+0x1f0/0x1f0
[ 81.160182][ T683] ? kernfs_new_node+0x170/0x170
[ 81.165113][ T683] ? ptr_to_hashval+0x60/0x60
[ 81.169773][ T683] ? arch_stack_walk+0xf8/0x140
[ 81.174610][ T683] ? snprintf+0xd6/0x120
[ 81.178884][ T683] kernfs_new_node+0x97/0x170
[ 81.183785][ T683] __kernfs_create_file+0x4a/0x270
[ 81.188900][ T683] cgroup_addrm_files+0xab8/0xfe0
[ 81.193919][ T683] ? ____kasan_kmalloc+0xdc/0x110
[ 81.198929][ T683] ? __kasan_kmalloc+0x9/0x10
[ 81.203600][ T683] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 81.209132][ T683] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 81.215277][ T683] ? delete_node+0x759/0x7b0
[ 81.219874][ T683] ? __kasan_check_read+0x11/0x20
[ 81.224886][ T683] ? delete_node+0x759/0x7b0
[ 81.229460][ T683] ? __kasan_check_write+0x14/0x20
[ 81.234569][ T683] ? idr_replace+0x1c4/0x230
[ 81.239157][ T683] ? idr_get_next+0x4b0/0x4b0
[ 81.243919][ T683] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 81.248940][ T683] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 81.254157][ T683] css_populate_dir+0x137/0x370
[ 81.259091][ T683] cgroup_apply_control_enable+0x889/0x10c0
[ 81.264984][ T683] cgroup_apply_control+0x93/0x710
[ 81.270110][ T683] ? css_next_child+0x160/0x160
[ 81.274954][ T683] ? wake_bit_function+0x230/0x230
[ 81.280052][ T683] ? kernfs_fop_write_iter+0x15b/0x410
[ 81.285493][ T683] ? __kasan_check_write+0x14/0x20
[ 81.290583][ T683] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 81.295865][ T683] cgroup_subtree_control_write+0xdde/0x1340
[ 81.301943][ T683] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 81.308467][ T683] ? __kasan_check_write+0x14/0x20
[ 81.313585][ T683] ? _copy_from_iter+0x360/0xed0
[ 81.318634][ T683] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 81.324622][ T683] cgroup_file_write+0x28e/0x590
[ 81.329558][ T683] ? cgroup_seqfile_stop+0xc0/0xc0
[ 81.334660][ T683] ? bit_wait_io_timeout+0x110/0x110
[ 81.340020][ T683] ? __kasan_check_write+0x14/0x20
[ 81.345305][ T683] kernfs_fop_write_iter+0x2cd/0x410
[ 81.350619][ T683] ? cgroup_seqfile_stop+0xc0/0xc0
[ 81.355734][ T683] vfs_write+0xbb4/0xf30
[ 81.360067][ T683] ? file_end_write+0x1b0/0x1b0
[ 81.364992][ T683] ? mutex_lock+0xb6/0x130
[ 81.369397][ T683] ? bit_wait_io_timeout+0x110/0x110
[ 81.374674][ T683] ? __fdget_pos+0x26d/0x310
[ 81.379740][ T683] ? ksys_write+0x77/0x2c0
[ 81.384178][ T683] ksys_write+0x198/0x2c0
[ 81.388532][ T683] ? __ia32_sys_read+0x90/0x90
[ 81.393308][ T683] ? debug_smp_processor_id+0x17/0x20
[ 81.398669][ T683] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 81.405848][ T683] __x64_sys_write+0x7b/0x90
[ 81.410510][ T683] do_syscall_64+0x2f/0x50
[ 81.415014][ T683] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 81.420922][ T683] RIP: 0033:0x7f2a75dbc249
[ 81.425319][ T683] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 81.445096][ T683] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 81.453583][ T683] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 81.461545][ T683] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 81.469510][ T683] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 81.478251][ T683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 81.486298][ T683] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 81.494264][ T683]
[ 81.497417][ T683] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 81.571206][ T700] FAULT_INJECTION: forcing a failure.
[ 81.571206][ T700] name failslab, interval 1, probability 0, space 0, times 0
[ 81.584000][ T700] CPU: 1 PID: 700 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 81.594597][ T700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 81.604670][ T700] Call Trace:
[ 81.608017][ T700]
[ 81.611458][ T700] dump_stack_lvl+0x151/0x1b7
[ 81.616120][ T700] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 81.621728][ T700] ? pcpu_alloc+0xe83/0x1420
[ 81.626294][ T700] dump_stack+0x15/0x17
[ 81.630431][ T700] should_fail+0x3c0/0x510
[ 81.635793][ T700] ? percpu_ref_init+0xc9/0x350
[ 81.640732][ T700] __should_failslab+0x9f/0xe0
[ 81.645499][ T700] should_failslab+0x9/0x20
[ 81.649991][ T700] kmem_cache_alloc_trace+0x4a/0x320
[ 81.655255][ T700] ? cgroup_setup_root+0xec0/0xec0
[ 81.660430][ T700] percpu_ref_init+0xc9/0x350
[ 81.665093][ T700] ? cgroup_setup_root+0xec0/0xec0
[ 81.670290][ T700] cgroup_apply_control_enable+0x383/0x10c0
[ 81.676162][ T700] cgroup_apply_control+0x93/0x710
[ 81.681252][ T700] ? css_next_child+0x160/0x160
[ 81.686089][ T700] ? wake_bit_function+0x230/0x230
[ 81.691176][ T700] ? kernfs_fop_write_iter+0x15b/0x410
[ 81.696696][ T700] ? __kasan_check_write+0x14/0x20
[ 81.701879][ T700] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 81.707418][ T700] cgroup_subtree_control_write+0xdde/0x1340
[ 81.713486][ T700] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 81.719536][ T700] ? __kasan_check_write+0x14/0x20
[ 81.724626][ T700] ? _copy_from_iter+0x360/0xed0
[ 81.729562][ T700] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 81.735818][ T700] cgroup_file_write+0x28e/0x590
[ 81.740848][ T700] ? cgroup_seqfile_stop+0xc0/0xc0
[ 81.746206][ T700] ? bit_wait_io_timeout+0x110/0x110
[ 81.751823][ T700] ? __kasan_check_write+0x14/0x20
[ 81.756917][ T700] kernfs_fop_write_iter+0x2cd/0x410
[ 81.763048][ T700] ? cgroup_seqfile_stop+0xc0/0xc0
[ 81.768223][ T700] vfs_write+0xbb4/0xf30
[ 81.772446][ T700] ? file_end_write+0x1b0/0x1b0
[ 81.777287][ T700] ? mutex_lock+0xec/0x130
[ 81.781679][ T700] ? bit_wait_io_timeout+0x110/0x110
[ 81.786953][ T700] ? __fdget_pos+0x26d/0x310
[ 81.791526][ T700] ? ksys_write+0x77/0x2c0
[ 81.795920][ T700] ksys_write+0x198/0x2c0
[ 81.800323][ T700] ? __ia32_sys_read+0x90/0x90
[ 81.805086][ T700] ? debug_smp_processor_id+0x17/0x20
[ 81.810492][ T700] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 81.816796][ T700] __x64_sys_write+0x7b/0x90
[ 81.821376][ T700] do_syscall_64+0x2f/0x50
[ 81.825767][ T700] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 81.831638][ T700] RIP: 0033:0x7f2a75dbc249
[ 81.836032][ T700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 81.859100][ T700] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 81.867510][ T700] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 81.875956][ T700] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 81.886763][ T700] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 81.895827][ T700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 81.903790][ T700] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 81.912093][ T700]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 81.917547][ T432] ------------[ cut here ]------------
[ 81.923048][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 81.931999][ T432] Modules linked in:
[ 81.935882][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 81.946500][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 81.956588][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 81.962255][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 81.982136][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 81.988279][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 81.996396][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 82.004402][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 82.012412][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 82.020395][ T432] R13: ffff88810e642780 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 82.028386][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 82.037333][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 82.043935][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 82.051921][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 82.059897][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 82.067901][ T432] Call Trace:
[ 82.071196][ T432]
[ 82.074122][ T432] ? __kasan_check_write+0x14/0x20
[ 82.079235][ T432] ? up_write+0xa1/0x190
[ 82.083595][ T432] ? vfs_submount+0xb0/0xb0
[ 82.088100][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 82.093673][ T432] namespace_unlock+0x448/0x4f0
[ 82.098542][ T432] ? umount_tree+0xf40/0xf40
[ 82.103181][ T432] ? __detach_mounts+0x670/0x670
[ 82.108153][ T432] ? selinux_umount+0xf3/0x130
[ 82.112939][ T432] ? security_sb_umount+0x9d/0xb0
[ 82.118058][ T432] path_umount+0xe89/0xf40
[ 82.122496][ T432] ? __kasan_slab_free+0x11/0x20
[ 82.127441][ T432] ? user_path_at_empty+0x152/0x1b0
[ 82.132662][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 82.137693][ T432] ? user_path_at_empty+0x152/0x1b0
[ 82.142996][ T432] __x64_sys_umount+0x122/0x170
[ 82.147858][ T432] ? path_umount+0xf40/0xf40
[ 82.152465][ T432] ? debug_smp_processor_id+0x17/0x20
[ 82.157834][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 82.163580][ T432] do_syscall_64+0x2f/0x50
[ 82.168000][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 82.173917][ T432] RIP: 0033:0x7f2a75dbd657
[ 82.178348][ T432] 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
[ 82.197974][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 82.206421][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 82.214404][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 82.222475][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 82.230543][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 82.238546][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 82.246580][ T432]
[ 82.249601][ T432] ---[ end trace 0000000000000000 ]---
[ 82.255130][ T432] ------------[ cut here ]------------
[ 82.260579][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 82.269556][ T432] Modules linked in:
[ 82.273489][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 82.284091][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 82.294157][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 82.299780][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 82.319681][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 82.325929][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d27d3c0
[ 82.333934][ T432] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 82.341925][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 82.349897][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 82.357904][ T432] R13: ffff88810e642780 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 82.366004][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 82.375403][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 82.382003][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 82.390053][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 82.398050][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 82.406042][ T432] Call Trace:
[ 82.409305][ T432]
[ 82.412297][ T432] ? lockref_get_or_lock+0x340/0x340
[ 82.417591][ T432] ? umount_tree+0xf40/0xf40
[ 82.422207][ T432] ? vfs_submount+0xb0/0xb0
[ 82.426707][ T432] ? dput+0x2b6/0x320
[ 82.431084][ T432] path_umount+0x1e0/0xf40
[ 82.435493][ T432] ? __kasan_slab_free+0x11/0x20
[ 82.440440][ T432] ? user_path_at_empty+0x152/0x1b0
[ 82.445664][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 82.450695][ T432] ? user_path_at_empty+0x152/0x1b0
[ 82.455931][ T432] __x64_sys_umount+0x122/0x170
[ 82.460812][ T432] ? path_umount+0xf40/0xf40
[ 82.465399][ T432] ? debug_smp_processor_id+0x17/0x20
[ 82.470802][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 82.476530][ T432] do_syscall_64+0x2f/0x50
[ 82.480974][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 82.486870][ T432] RIP: 0033:0x7f2a75dbd657
[ 82.491428][ T432] 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
[ 82.511274][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 82.519672][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 82.527677][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 82.535791][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 82.544050][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 82.552042][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 82.560137][ T432]
[ 82.563287][ T432] ---[ end trace 0000000000000000 ]---
[ 82.581284][ T713] FAULT_INJECTION: forcing a failure.
[ 82.581284][ T713] name failslab, interval 1, probability 0, space 0, times 0
[ 82.594217][ T713] CPU: 0 PID: 713 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 82.604806][ T713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 82.614852][ T713] Call Trace:
[ 82.618120][ T713]
[ 82.621048][ T713] dump_stack_lvl+0x151/0x1b7
[ 82.625728][ T713] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 82.631174][ T713] ? pcpu_alloc+0xe83/0x1420
[ 82.635757][ T713] dump_stack+0x15/0x17
[ 82.639903][ T713] should_fail+0x3c0/0x510
[ 82.644342][ T713] ? percpu_ref_init+0xc9/0x350
[ 82.649185][ T713] __should_failslab+0x9f/0xe0
[ 82.653933][ T713] should_failslab+0x9/0x20
[ 82.658438][ T713] kmem_cache_alloc_trace+0x4a/0x320
[ 82.663714][ T713] ? cgroup_setup_root+0xec0/0xec0
[ 82.668829][ T713] percpu_ref_init+0xc9/0x350
[ 82.673502][ T713] ? cgroup_setup_root+0xec0/0xec0
[ 82.678629][ T713] cgroup_apply_control_enable+0x383/0x10c0
[ 82.684508][ T713] cgroup_apply_control+0x93/0x710
[ 82.689612][ T713] ? css_next_child+0x160/0x160
[ 82.694457][ T713] ? wake_bit_function+0x230/0x230
[ 82.699644][ T713] ? kernfs_fop_write_iter+0x15b/0x410
[ 82.705086][ T713] ? __kasan_check_write+0x14/0x20
[ 82.710182][ T713] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 82.715545][ T713] cgroup_subtree_control_write+0xdde/0x1340
[ 82.721716][ T713] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 82.727676][ T713] ? __kasan_check_write+0x14/0x20
[ 82.732771][ T713] ? _copy_from_iter+0x360/0xed0
[ 82.737700][ T713] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 82.743684][ T713] cgroup_file_write+0x28e/0x590
[ 82.748618][ T713] ? cgroup_seqfile_stop+0xc0/0xc0
[ 82.753715][ T713] ? bit_wait_io_timeout+0x110/0x110
[ 82.758988][ T713] ? __kasan_check_write+0x14/0x20
[ 82.764084][ T713] kernfs_fop_write_iter+0x2cd/0x410
[ 82.769353][ T713] ? cgroup_seqfile_stop+0xc0/0xc0
[ 82.774462][ T713] vfs_write+0xbb4/0xf30
[ 82.778688][ T713] ? file_end_write+0x1b0/0x1b0
[ 82.783521][ T713] ? mutex_lock+0xec/0x130
[ 82.787928][ T713] ? bit_wait_io_timeout+0x110/0x110
[ 82.793283][ T713] ? __fdget_pos+0x26d/0x310
[ 82.797871][ T713] ? ksys_write+0x77/0x2c0
[ 82.802272][ T713] ksys_write+0x198/0x2c0
[ 82.806606][ T713] ? __ia32_sys_read+0x90/0x90
[ 82.811354][ T713] ? debug_smp_processor_id+0x17/0x20
[ 82.816806][ T713] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 82.822853][ T713] __x64_sys_write+0x7b/0x90
[ 82.827432][ T713] do_syscall_64+0x2f/0x50
[ 82.831832][ T713] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 82.837710][ T713] RIP: 0033:0x7f2a75dbc249
[ 82.842104][ T713] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 82.861698][ T713] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 82.870196][ T713] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 82.878164][ T713] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 82.886126][ T713] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 82.894091][ T713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 82.902044][ T713] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 82.910004][ T713]
[ 82.915323][ T433] ------------[ cut here ]------------
[ 82.921014][ T433] WARNING: CPU: 1 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 82.930072][ T433] Modules linked in:
[ 82.934096][ T433] CPU: 1 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 82.944774][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 82.954878][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 82.960509][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 82.980154][ T433] RSP: 0018:ffffc9000164fba0 EFLAGS: 00010293
[ 82.986259][ T433] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d2790c0
[ 82.994393][ T433] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 83.002546][ T433] RBP: ffffc9000164fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 83.010703][ T433] R10: fffff520002c9f65 R11: 1ffff920002c9f64 R12: dffffc0000000000
[ 83.018708][ T433] R13: ffff88810e638300 R14: ffffc9000164fc00 R15: 1ffff920002c9f7c
[ 83.026700][ T433] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 83.035647][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 83.042261][ T433] CR2: 0000555556619738 CR3: 0000000121060000 CR4: 00000000003506a0
[ 83.050247][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 83.058240][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 83.066226][ T433] Call Trace:
[ 83.069489][ T433]
[ 83.072433][ T433] ? __kasan_check_write+0x14/0x20
[ 83.077552][ T433] ? up_write+0xa1/0x190
[ 83.081808][ T433] ? vfs_submount+0xb0/0xb0
[ 83.086314][ T433] ? change_mnt_propagation+0x8de/0xbc0
[ 83.091882][ T433] namespace_unlock+0x448/0x4f0
[ 83.096764][ T433] ? umount_tree+0xf40/0xf40
[ 83.101382][ T433] ? __detach_mounts+0x670/0x670
[ 83.106327][ T433] ? selinux_umount+0xf3/0x130
[ 83.111188][ T433] ? security_sb_umount+0x9d/0xb0
[ 83.116240][ T433] path_umount+0xe89/0xf40
[ 83.120757][ T433] ? __kasan_slab_free+0x11/0x20
[ 83.125786][ T433] ? user_path_at_empty+0x152/0x1b0
[ 83.131012][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 83.136123][ T433] ? user_path_at_empty+0x152/0x1b0
[ 83.141349][ T433] __x64_sys_umount+0x122/0x170
[ 83.146197][ T433] ? path_umount+0xf40/0xf40
[ 83.150903][ T433] ? debug_smp_processor_id+0x17/0x20
[ 83.156277][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 83.161930][ T433] do_syscall_64+0x2f/0x50
[ 83.166367][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 83.172417][ T433] RIP: 0033:0x7f2a75dbd657
[ 83.176834][ T433] 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
[ 83.197008][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 83.205454][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 83.213615][ T433] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 83.221605][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 83.229568][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 83.237553][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 83.245637][ T433]
[ 83.248643][ T433] ---[ end trace 0000000000000000 ]---
[ 83.254370][ T433] ------------[ cut here ]------------
[ 83.259812][ T433] WARNING: CPU: 1 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 83.261198][ T709] FAULT_INJECTION: forcing a failure.
[ 83.261198][ T709] name failslab, interval 1, probability 0, space 0, times 0
[ 83.269428][ T433] Modules linked in:
[ 83.282488][ T709] CPU: 0 PID: 709 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 83.285951][ T433] CPU: 1 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 83.296512][ T709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 83.296522][ T709] Call Trace:
[ 83.296527][ T709]
[ 83.296533][ T709] dump_stack_lvl+0x151/0x1b7
[ 83.296556][ T709] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 83.307126][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 83.317349][ T709] ? pcpu_alloc+0xe83/0x1420
[ 83.320710][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 83.323632][ T709] dump_stack+0x15/0x17
[ 83.328309][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 83.334013][ T709] should_fail+0x3c0/0x510
[ 83.344160][ T433] RSP: 0018:ffffc9000164fca0 EFLAGS: 00010293
[ 83.348710][ T709] ? percpu_ref_init+0xc9/0x350
[ 83.354335][ T433]
[ 83.358474][ T709] __should_failslab+0x9f/0xe0
[ 83.378107][ T433] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d2790c0
[ 83.382464][ T709] should_failslab+0x9/0x20
[ 83.388509][ T433] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 83.393336][ T709] kmem_cache_alloc_trace+0x4a/0x320
[ 83.393357][ T709] ? cgroup_setup_root+0xec0/0xec0
[ 83.395653][ T433] RBP: ffffc9000164fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 83.400383][ T709] percpu_ref_init+0xc9/0x350
[ 83.408349][ T433] R10: fffff520002c9f85 R11: 1ffff920002c9f84 R12: dffffc0000000000
[ 83.412800][ T709] ? cgroup_setup_root+0xec0/0xec0
[ 83.412820][ T709] cgroup_apply_control_enable+0x383/0x10c0
[ 83.420780][ T433] R13: ffff88810e638300 R14: ffffc9000164fd00 R15: 1ffff920002c9f9c
[ 83.426135][ T709] cgroup_apply_control+0x93/0x710
[ 83.431268][ T433] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 83.439176][ T709] ? css_next_child+0x160/0x160
[ 83.443846][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 83.452045][ T709] ? wake_bit_function+0x230/0x230
[ 83.452065][ T709] ? kernfs_fop_write_iter+0x15b/0x410
[ 83.457146][ T433] CR2: 0000555556619738 CR3: 0000000121060000 CR4: 00000000003506a0
[ 83.463017][ T709] ? __kasan_check_write+0x14/0x20
[ 83.463036][ T709] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 83.471079][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 83.476158][ T709] cgroup_subtree_control_write+0xdde/0x1340
[ 83.485284][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 83.490180][ T709] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 83.496765][ T433] Call Trace:
[ 83.501822][ T709] ? __kasan_check_write+0x14/0x20
[ 83.501842][ T709] ? _copy_from_iter+0x360/0xed0
[ 83.507357][ T433]
[ 83.515299][ T709] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 83.515320][ T709] cgroup_file_write+0x28e/0x590
[ 83.520399][ T433] ? lockref_get_or_lock+0x340/0x340
[ 83.525752][ T709] ? cgroup_seqfile_stop+0xc0/0xc0
[ 83.525770][ T709] ? bit_wait_io_timeout+0x110/0x110
[ 83.533730][ T433] ? umount_tree+0xf40/0xf40
[ 83.539668][ T709] ? __kasan_check_write+0x14/0x20
[ 83.547634][ T433] ? vfs_submount+0xb0/0xb0
[ 83.553577][ T709] kernfs_fop_write_iter+0x2cd/0x410
[ 83.553595][ T709] ? cgroup_seqfile_stop+0xc0/0xc0
[ 83.556854][ T433] ? dput+0x2b6/0x320
[ 83.561946][ T709] vfs_write+0xbb4/0xf30
[ 83.561967][ T709] ? file_end_write+0x1b0/0x1b0
[ 83.566867][ T433] path_umount+0x1e0/0xf40
[ 83.569779][ T709] ? mutex_lock+0xec/0x130
[ 83.575832][ T433] ? __kasan_slab_free+0x11/0x20
[ 83.580738][ T709] ? bit_wait_io_timeout+0x110/0x110
[ 83.586003][ T433] ? user_path_at_empty+0x152/0x1b0
[ 83.591095][ T709] ? __fdget_pos+0x26d/0x310
[ 83.591112][ T709] ? ksys_write+0x77/0x2c0
[ 83.596371][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 83.601200][ T709] ksys_write+0x198/0x2c0
[ 83.601218][ T709] ? __ia32_sys_read+0x90/0x90
[ 83.606329][ T433] ? user_path_at_empty+0x152/0x1b0
[ 83.610812][ T709] ? debug_smp_processor_id+0x17/0x20
[ 83.610830][ T709] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 83.616099][ T433] __x64_sys_umount+0x122/0x170
[ 83.621181][ T709] __x64_sys_write+0x7b/0x90
[ 83.621200][ T709] do_syscall_64+0x2f/0x50
[ 83.625147][ T433] ? path_umount+0xf40/0xf40
[ 83.629359][ T709] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 83.634194][ T433] ? debug_smp_processor_id+0x17/0x20
[ 83.638579][ T709] RIP: 0033:0x7f2a75dbc249
[ 83.642976][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 83.647874][ T709] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 83.653147][ T433] do_syscall_64+0x2f/0x50
[ 83.658298][ T709] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246
[ 83.662881][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 83.667251][ T709] ORIG_RAX: 0000000000000001
[ 83.672266][ T433] RIP: 0033:0x7f2a75dbd657
[ 83.676550][ T709] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 83.681382][ T433] 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
[ 83.686549][ T709] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 83.691900][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 83.697926][ T709] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 83.703617][ T433] ORIG_RAX: 00000000000000a6
[ 83.709288][ T709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 83.713987][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 83.719752][ T709] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 83.726013][ T433] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 83.731320][ T709]
[ 83.876030][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 83.884018][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 83.891987][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 83.899949][ T433]
[ 83.902977][ T433] ---[ end trace 0000000000000000 ]---
[ 83.961383][ T710] FAULT_INJECTION: forcing a failure.
[ 83.961383][ T710] name failslab, interval 1, probability 0, space 0, times 0
[ 83.974533][ T710] CPU: 1 PID: 710 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 83.985236][ T710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 83.995368][ T710] Call Trace:
[ 83.998656][ T710]
[ 84.001572][ T710] dump_stack_lvl+0x151/0x1b7
[ 84.006245][ T710] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 84.011781][ T710] ? pcpu_alloc+0xe83/0x1420
[ 84.016386][ T710] dump_stack+0x15/0x17
[ 84.020540][ T710] should_fail+0x3c0/0x510
[ 84.024956][ T710] ? percpu_ref_init+0xc9/0x350
[ 84.029793][ T710] __should_failslab+0x9f/0xe0
[ 84.034544][ T710] should_failslab+0x9/0x20
[ 84.039199][ T710] kmem_cache_alloc_trace+0x4a/0x320
[ 84.044599][ T710] ? cgroup_setup_root+0xec0/0xec0
[ 84.049700][ T710] percpu_ref_init+0xc9/0x350
[ 84.054365][ T710] ? cgroup_setup_root+0xec0/0xec0
[ 84.059485][ T710] cgroup_apply_control_enable+0x383/0x10c0
[ 84.065452][ T710] cgroup_apply_control+0x93/0x710
[ 84.070551][ T710] ? css_next_child+0x160/0x160
[ 84.075384][ T710] ? wake_bit_function+0x230/0x230
[ 84.080482][ T710] ? kernfs_fop_write_iter+0x15b/0x410
[ 84.086456][ T710] ? __kasan_check_write+0x14/0x20
[ 84.091583][ T710] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 84.096888][ T710] cgroup_subtree_control_write+0xdde/0x1340
[ 84.102868][ T710] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 84.108936][ T710] ? __kasan_check_write+0x14/0x20
[ 84.114050][ T710] ? _copy_from_iter+0x360/0xed0
[ 84.118996][ T710] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 84.124973][ T710] cgroup_file_write+0x28e/0x590
[ 84.129904][ T710] ? cgroup_seqfile_stop+0xc0/0xc0
[ 84.135001][ T710] ? bit_wait_io_timeout+0x110/0x110
[ 84.140289][ T710] ? __kasan_check_write+0x14/0x20
[ 84.145391][ T710] kernfs_fop_write_iter+0x2cd/0x410
[ 84.150692][ T710] ? cgroup_seqfile_stop+0xc0/0xc0
[ 84.155814][ T710] vfs_write+0xbb4/0xf30
[ 84.160053][ T710] ? file_end_write+0x1b0/0x1b0
[ 84.164899][ T710] ? mutex_lock+0xec/0x130
[ 84.169301][ T710] ? bit_wait_io_timeout+0x110/0x110
[ 84.174576][ T710] ? __fdget_pos+0x26d/0x310
[ 84.179242][ T710] ? ksys_write+0x77/0x2c0
[ 84.183736][ T710] ksys_write+0x198/0x2c0
[ 84.188089][ T710] ? __ia32_sys_read+0x90/0x90
[ 84.192841][ T710] ? debug_smp_processor_id+0x17/0x20
[ 84.198388][ T710] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 84.204478][ T710] __x64_sys_write+0x7b/0x90
[ 84.209260][ T710] do_syscall_64+0x2f/0x50
[ 84.213667][ T710] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 84.219550][ T710] RIP: 0033:0x7f2a75dbc249
[ 84.224053][ T710] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 84.243651][ T710] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 84.252244][ T710] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 84.260217][ T710] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 84.268178][ T710] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 84.276243][ T710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 84.284216][ T710] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 84.292205][ T710]
[ 84.331269][ T708] FAULT_INJECTION: forcing a failure.
[ 84.331269][ T708] name failslab, interval 1, probability 0, space 0, times 0
[ 84.344267][ T708] CPU: 1 PID: 708 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 84.355065][ T708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 84.365124][ T708] Call Trace:
[ 84.368392][ T708]
[ 84.371306][ T708] dump_stack_lvl+0x151/0x1b7
[ 84.375970][ T708] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 84.381409][ T708] ? selinux_kernfs_init_security+0x1a8/0x760
[ 84.387929][ T708] dump_stack+0x15/0x17
[ 84.392076][ T708] should_fail+0x3c0/0x510
[ 84.396485][ T708] __should_failslab+0x9f/0xe0
[ 84.401245][ T708] should_failslab+0x9/0x20
[ 84.405734][ T708] kmem_cache_alloc+0x4f/0x300
[ 84.410482][ T708] ? __kernfs_new_node+0xdb/0x6e0
[ 84.415506][ T708] __kernfs_new_node+0xdb/0x6e0
[ 84.420346][ T708] ? stack_trace_save+0x1f0/0x1f0
[ 84.425360][ T708] ? kernfs_new_node+0x170/0x170
[ 84.430281][ T708] ? ptr_to_hashval+0x60/0x60
[ 84.434939][ T708] ? up_read+0x1b0/0x1b0
[ 84.439184][ T708] ? snprintf+0xd6/0x120
[ 84.443419][ T708] kernfs_new_node+0x97/0x170
[ 84.448294][ T708] __kernfs_create_file+0x4a/0x270
[ 84.453517][ T708] cgroup_addrm_files+0xab8/0xfe0
[ 84.458547][ T708] ? ____kasan_kmalloc+0xdc/0x110
[ 84.463565][ T708] ? __kasan_kmalloc+0x9/0x10
[ 84.468245][ T708] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 84.473866][ T708] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 84.480010][ T708] ? delete_node+0x759/0x7b0
[ 84.484761][ T708] ? __kasan_check_read+0x11/0x20
[ 84.489796][ T708] ? idr_replace+0x1c4/0x230
[ 84.494381][ T708] ? idr_get_next+0x4b0/0x4b0
[ 84.499070][ T708] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 84.504281][ T708] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 84.509494][ T708] css_populate_dir+0x137/0x370
[ 84.514339][ T708] cgroup_apply_control_enable+0x889/0x10c0
[ 84.520329][ T708] cgroup_apply_control+0x93/0x710
[ 84.525508][ T708] ? css_next_child+0x160/0x160
[ 84.530337][ T708] ? wake_bit_function+0x230/0x230
[ 84.535525][ T708] ? kernfs_fop_write_iter+0x15b/0x410
[ 84.540976][ T708] ? __kasan_check_write+0x14/0x20
[ 84.546088][ T708] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 84.551380][ T708] cgroup_subtree_control_write+0xdde/0x1340
[ 84.557352][ T708] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 84.563517][ T708] ? __kasan_check_write+0x14/0x20
[ 84.568632][ T708] ? _copy_from_iter+0x360/0xed0
[ 84.573571][ T708] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 84.579537][ T708] cgroup_file_write+0x28e/0x590
[ 84.584554][ T708] ? cgroup_seqfile_stop+0xc0/0xc0
[ 84.589671][ T708] ? bit_wait_io_timeout+0x110/0x110
[ 84.594959][ T708] ? __kasan_check_write+0x14/0x20
[ 84.600139][ T708] kernfs_fop_write_iter+0x2cd/0x410
[ 84.605406][ T708] ? cgroup_seqfile_stop+0xc0/0xc0
[ 84.610595][ T708] vfs_write+0xbb4/0xf30
[ 84.614818][ T708] ? file_end_write+0x1b0/0x1b0
[ 84.619822][ T708] ? mutex_lock+0xb6/0x130
[ 84.624600][ T708] ? bit_wait_io_timeout+0x110/0x110
[ 84.629877][ T708] ? __fdget_pos+0x26d/0x310
[ 84.634444][ T708] ? ksys_write+0x77/0x2c0
[ 84.638841][ T708] ksys_write+0x198/0x2c0
[ 84.643257][ T708] ? __ia32_sys_read+0x90/0x90
[ 84.648030][ T708] ? debug_smp_processor_id+0x17/0x20
[ 84.653412][ T708] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 84.659485][ T708] __x64_sys_write+0x7b/0x90
[ 84.664081][ T708] do_syscall_64+0x2f/0x50
[ 84.668512][ T708] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 84.674405][ T708] RIP: 0033:0x7f2a75dbc249
[ 84.678806][ T708] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 84.698415][ T708] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 84.706818][ T708] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 84.714779][ T708] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 84.722763][ T708] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 84.730846][ T708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 84.738809][ T708] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 84.746871][ T708]
[ 84.750289][ T708] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 84.801300][ T720] FAULT_INJECTION: forcing a failure.
[ 84.801300][ T720] name failslab, interval 1, probability 0, space 0, times 0
[ 84.814064][ T720] CPU: 0 PID: 720 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 84.824666][ T720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 84.834798][ T720] Call Trace:
[ 84.838211][ T720]
[ 84.841159][ T720] dump_stack_lvl+0x151/0x1b7
[ 84.845832][ T720] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 84.851279][ T720] ? pcpu_alloc+0xe83/0x1420
[ 84.855853][ T720] dump_stack+0x15/0x17
[ 84.859988][ T720] should_fail+0x3c0/0x510
[ 84.864401][ T720] ? percpu_ref_init+0xc9/0x350
[ 84.869261][ T720] __should_failslab+0x9f/0xe0
[ 84.874013][ T720] should_failslab+0x9/0x20
[ 84.878497][ T720] kmem_cache_alloc_trace+0x4a/0x320
[ 84.883770][ T720] ? cgroup_setup_root+0xec0/0xec0
[ 84.888860][ T720] percpu_ref_init+0xc9/0x350
[ 84.893529][ T720] ? cgroup_setup_root+0xec0/0xec0
[ 84.898640][ T720] cgroup_apply_control_enable+0x383/0x10c0
[ 84.904511][ T720] cgroup_apply_control+0x93/0x710
[ 84.909655][ T720] ? css_next_child+0x160/0x160
[ 84.914498][ T720] ? wake_bit_function+0x230/0x230
[ 84.919773][ T720] ? kernfs_fop_write_iter+0x15b/0x410
[ 84.925219][ T720] ? __kasan_check_write+0x14/0x20
[ 84.930316][ T720] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 84.935592][ T720] cgroup_subtree_control_write+0xdde/0x1340
[ 84.941654][ T720] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 84.947637][ T720] ? __kasan_check_write+0x14/0x20
[ 84.952743][ T720] ? _copy_from_iter+0x360/0xed0
[ 84.957664][ T720] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 84.963852][ T720] cgroup_file_write+0x28e/0x590
[ 84.968915][ T720] ? cgroup_seqfile_stop+0xc0/0xc0
[ 84.974022][ T720] ? bit_wait_io_timeout+0x110/0x110
[ 84.979658][ T720] ? __kasan_check_write+0x14/0x20
[ 84.984785][ T720] kernfs_fop_write_iter+0x2cd/0x410
[ 84.990515][ T720] ? cgroup_seqfile_stop+0xc0/0xc0
[ 84.995625][ T720] vfs_write+0xbb4/0xf30
[ 84.999859][ T720] ? file_end_write+0x1b0/0x1b0
[ 85.004717][ T720] ? mutex_lock+0xb6/0x130
[ 85.009121][ T720] ? bit_wait_io_timeout+0x110/0x110
[ 85.014866][ T720] ? __fdget_pos+0x26d/0x310
[ 85.019520][ T720] ? ksys_write+0x77/0x2c0
[ 85.024340][ T720] ksys_write+0x198/0x2c0
[ 85.028668][ T720] ? __ia32_sys_read+0x90/0x90
[ 85.033425][ T720] ? debug_smp_processor_id+0x17/0x20
[ 85.038954][ T720] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 85.045098][ T720] __x64_sys_write+0x7b/0x90
[ 85.049686][ T720] do_syscall_64+0x2f/0x50
[ 85.054087][ T720] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 85.059970][ T720] RIP: 0033:0x7f2a75dbc249
[ 85.064369][ T720] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 85.084582][ T720] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.093128][ T720] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 85.101108][ T720] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 85.109179][ T720] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 85.117161][ T720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 85.125221][ T720] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 85.133310][ T720]
[ 85.171399][ T729] FAULT_INJECTION: forcing a failure.
[ 85.171399][ T729] name failslab, interval 1, probability 0, space 0, times 0
[ 85.184246][ T729] CPU: 1 PID: 729 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 85.194835][ T729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.204966][ T729] Call Trace:
[ 85.208234][ T729]
[ 85.211146][ T729] dump_stack_lvl+0x151/0x1b7
[ 85.215811][ T729] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 85.221285][ T729] ? pcpu_alloc+0xe83/0x1420
[ 85.225894][ T729] dump_stack+0x15/0x17
[ 85.230053][ T729] should_fail+0x3c0/0x510
[ 85.234467][ T729] ? percpu_ref_init+0xc9/0x350
[ 85.239312][ T729] __should_failslab+0x9f/0xe0
[ 85.244062][ T729] should_failslab+0x9/0x20
[ 85.248660][ T729] kmem_cache_alloc_trace+0x4a/0x320
[ 85.254025][ T729] ? cgroup_setup_root+0xec0/0xec0
[ 85.259130][ T729] percpu_ref_init+0xc9/0x350
[ 85.263861][ T729] ? cgroup_setup_root+0xec0/0xec0
[ 85.268958][ T729] cgroup_apply_control_enable+0x383/0x10c0
[ 85.274838][ T729] cgroup_apply_control+0x93/0x710
[ 85.279942][ T729] ? css_next_child+0x160/0x160
[ 85.284788][ T729] ? wake_bit_function+0x230/0x230
[ 85.289938][ T729] ? kernfs_fop_write_iter+0x15b/0x410
[ 85.295383][ T729] ? __kasan_check_write+0x14/0x20
[ 85.300495][ T729] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 85.305763][ T729] cgroup_subtree_control_write+0xdde/0x1340
[ 85.311826][ T729] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 85.317788][ T729] ? __kasan_check_write+0x14/0x20
[ 85.322884][ T729] ? _copy_from_iter+0x360/0xed0
[ 85.327809][ T729] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 85.333796][ T729] cgroup_file_write+0x28e/0x590
[ 85.338894][ T729] ? cgroup_seqfile_stop+0xc0/0xc0
[ 85.343999][ T729] ? bit_wait_io_timeout+0x110/0x110
[ 85.349287][ T729] ? __kasan_check_write+0x14/0x20
[ 85.354395][ T729] kernfs_fop_write_iter+0x2cd/0x410
[ 85.359684][ T729] ? cgroup_seqfile_stop+0xc0/0xc0
[ 85.364868][ T729] vfs_write+0xbb4/0xf30
[ 85.369094][ T729] ? file_end_write+0x1b0/0x1b0
[ 85.374121][ T729] ? mutex_lock+0xec/0x130
[ 85.378519][ T729] ? bit_wait_io_timeout+0x110/0x110
[ 85.383809][ T729] ? __fdget_pos+0x26d/0x310
[ 85.388380][ T729] ? ksys_write+0x77/0x2c0
[ 85.392868][ T729] ksys_write+0x198/0x2c0
[ 85.397183][ T729] ? __ia32_sys_read+0x90/0x90
[ 85.401931][ T729] ? debug_smp_processor_id+0x17/0x20
[ 85.407293][ T729] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 85.413363][ T729] __x64_sys_write+0x7b/0x90
[ 85.417958][ T729] do_syscall_64+0x2f/0x50
[ 85.422378][ T729] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 85.428261][ T729] RIP: 0033:0x7f2a75dbc249
[ 85.432675][ T729] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 85.452371][ T729] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 85.460775][ T729] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 85.468745][ T729] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 85.476743][ T729] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 85.484733][ T729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 85.492687][ T729] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 85.500648][ T729]
[ 85.505947][ T434] ------------[ cut here ]------------
[ 85.514519][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 85.523488][ T434] Modules linked in:
[ 85.527374][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 85.538167][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.548354][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 85.554070][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 85.573783][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 85.579845][ T434] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27a180
[ 85.587924][ T434] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 85.595915][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 85.604008][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 85.613049][ T434] R13: ffff88810e638c00 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 85.621051][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 85.630334][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.637060][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 85.645058][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 85.653051][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 85.661065][ T434] Call Trace:
[ 85.664333][ T434]
[ 85.667347][ T434] ? __kasan_check_write+0x14/0x20
[ 85.672606][ T434] ? up_write+0xa1/0x190
[ 85.676856][ T434] ? vfs_submount+0xb0/0xb0
[ 85.681410][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 85.687307][ T434] namespace_unlock+0x448/0x4f0
[ 85.692177][ T434] ? umount_tree+0xf40/0xf40
[ 85.696847][ T434] ? __detach_mounts+0x670/0x670
[ 85.701795][ T434] ? selinux_umount+0xf3/0x130
[ 85.706639][ T434] ? security_sb_umount+0x9d/0xb0
[ 85.711766][ T434] path_umount+0xe89/0xf40
[ 85.716264][ T434] ? __kasan_slab_free+0x11/0x20
[ 85.721217][ T434] ? user_path_at_empty+0x152/0x1b0
[ 85.726429][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 85.731479][ T434] ? user_path_at_empty+0x152/0x1b0
[ 85.736835][ T434] __x64_sys_umount+0x122/0x170
[ 85.741686][ T434] ? path_umount+0xf40/0xf40
[ 85.746267][ T434] ? debug_smp_processor_id+0x17/0x20
[ 85.751643][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 85.757263][ T434] do_syscall_64+0x2f/0x50
[ 85.761682][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 85.767737][ T434] RIP: 0033:0x7f2a75dbd657
[ 85.772154][ T434] 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
[ 85.792127][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 85.800703][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 85.808687][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 85.816658][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 85.824633][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 85.832608][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 85.840567][ T434]
[ 85.843588][ T434] ---[ end trace 0000000000000000 ]---
[ 85.849270][ T434] ------------[ cut here ]------------
[ 85.854748][ T434] WARNING: CPU: 0 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 85.861347][ T723] FAULT_INJECTION: forcing a failure.
[ 85.861347][ T723] name failslab, interval 1, probability 0, space 0, times 0
[ 85.863923][ T434] Modules linked in:
[ 85.877120][ T723] CPU: 1 PID: 723 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 85.880544][ T434] CPU: 0 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 85.891204][ T723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.891216][ T723] Call Trace:
[ 85.891220][ T723]
[ 85.891226][ T723] dump_stack_lvl+0x151/0x1b7
[ 85.891249][ T723] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 85.901930][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.912401][ T723] ? pcpu_alloc+0xe83/0x1420
[ 85.912422][ T723] dump_stack+0x15/0x17
[ 85.915683][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 85.918606][ T723] should_fail+0x3c0/0x510
[ 85.923269][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 85.928770][ T723] ? percpu_ref_init+0xc9/0x350
[ 85.939211][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 85.943745][ T723] __should_failslab+0x9f/0xe0
[ 85.943765][ T723] should_failslab+0x9/0x20
[ 85.947903][ T434]
[ 85.947909][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 85.953510][ T723] kmem_cache_alloc_trace+0x4a/0x320
[ 85.953530][ T723] ? cgroup_setup_root+0xec0/0xec0
[ 85.957998][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 85.978187][ T723] percpu_ref_init+0xc9/0x350
[ 85.978207][ T723] ? cgroup_setup_root+0xec0/0xec0
[ 85.983045][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 85.989158][ T723] cgroup_apply_control_enable+0x383/0x10c0
[ 85.993910][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 85.998379][ T723] cgroup_apply_control+0x93/0x710
[ 86.000704][ T434] R13: ffff88810e638c00 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 86.008826][ T723] ? css_next_child+0x160/0x160
[ 86.008842][ T723] ? wake_bit_function+0x230/0x230
[ 86.014209][ T434] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 86.019299][ T723] ? kernfs_fop_write_iter+0x15b/0x410
[ 86.027258][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.031901][ T723] ? __kasan_check_write+0x14/0x20
[ 86.037264][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506b0
[ 86.045296][ T723] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 86.045316][ T723] cgroup_subtree_control_write+0xdde/0x1340
[ 86.051284][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 86.059288][ T723] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 86.064389][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 86.072405][ T723] ? __kasan_check_write+0x14/0x20
[ 86.072425][ T723] ? _copy_from_iter+0x360/0xed0
[ 86.077242][ T434] Call Trace:
[ 86.077249][ T434]
[ 86.082325][ T723] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 86.082345][ T723] cgroup_file_write+0x28e/0x590
[ 86.092487][ T434] ? lockref_get_or_lock+0x340/0x340
[ 86.099555][ T723] ? cgroup_seqfile_stop+0xc0/0xc0
[ 86.106304][ T434] ? umount_tree+0xf40/0xf40
[ 86.111374][ T723] ? bit_wait_io_timeout+0x110/0x110
[ 86.119343][ T434] ? vfs_submount+0xb0/0xb0
[ 86.124598][ T723] ? __kasan_check_write+0x14/0x20
[ 86.124616][ T723] kernfs_fop_write_iter+0x2cd/0x410
[ 86.130755][ T434] ? dput+0x2b6/0x320
[ 86.138694][ T723] ? cgroup_seqfile_stop+0xc0/0xc0
[ 86.144661][ T434] path_umount+0x1e0/0xf40
[ 86.152601][ T723] vfs_write+0xbb4/0xf30
[ 86.152622][ T723] ? file_end_write+0x1b0/0x1b0
[ 86.157804][ T434] ? __kasan_slab_free+0x11/0x20
[ 86.162812][ T723] ? mutex_lock+0xec/0x130
[ 86.162831][ T723] ? bit_wait_io_timeout+0x110/0x110
[ 86.166091][ T434] ? user_path_at_empty+0x152/0x1b0
[ 86.169006][ T723] ? __fdget_pos+0x26d/0x310
[ 86.174979][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 86.179873][ T723] ? ksys_write+0x77/0x2c0
[ 86.185240][ T434] ? user_path_at_empty+0x152/0x1b0
[ 86.190305][ T723] ksys_write+0x198/0x2c0
[ 86.194878][ T434] __x64_sys_umount+0x122/0x170
[ 86.200133][ T723] ? __ia32_sys_read+0x90/0x90
[ 86.204725][ T434] ? path_umount+0xf40/0xf40
[ 86.209798][ T723] ? debug_smp_processor_id+0x17/0x20
[ 86.215090][ T434] ? debug_smp_processor_id+0x17/0x20
[ 86.219550][ T723] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 86.224650][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 86.229020][ T723] __x64_sys_write+0x7b/0x90
[ 86.233252][ T434] do_syscall_64+0x2f/0x50
[ 86.238070][ T723] do_syscall_64+0x2f/0x50
[ 86.243059][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 86.247418][ T723] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 86.252708][ T434] RIP: 0033:0x7f2a75dbd657
[ 86.257849][ T723] RIP: 0033:0x7f2a75dbc249
[ 86.262426][ T434] 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
[ 86.267400][ T723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 86.271798][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 86.277130][ T723] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246
[ 86.281793][ T434] ORIG_RAX: 00000000000000a6
[ 86.286620][ T723] ORIG_RAX: 0000000000000001
[ 86.291383][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 86.295928][ T723] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 86.301325][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 86.306638][ T723] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 86.312707][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 86.318283][ T723] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 86.322860][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 86.327233][ T723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 86.331635][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 86.337526][ T723] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 86.343407][ T434]
[ 86.347788][ T723]
[ 86.352189][ T434] ---[ end trace 0000000000000000 ]---
[ 86.531258][ T718] FAULT_INJECTION: forcing a failure.
[ 86.531258][ T718] name failslab, interval 1, probability 0, space 0, times 0
[ 86.543920][ T718] CPU: 1 PID: 718 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 86.554596][ T718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 86.564745][ T718] Call Trace:
[ 86.568029][ T718]
[ 86.570950][ T718] dump_stack_lvl+0x151/0x1b7
[ 86.575614][ T718] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 86.581085][ T718] dump_stack+0x15/0x17
[ 86.585233][ T718] should_fail+0x3c0/0x510
[ 86.589659][ T718] ? pids_css_alloc+0x4e/0x120
[ 86.594430][ T718] __should_failslab+0x9f/0xe0
[ 86.599183][ T718] should_failslab+0x9/0x20
[ 86.603742][ T718] kmem_cache_alloc_trace+0x4a/0x320
[ 86.609041][ T718] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 86.614257][ T718] pids_css_alloc+0x4e/0x120
[ 86.618853][ T718] cgroup_apply_control_enable+0x335/0x10c0
[ 86.624759][ T718] cgroup_apply_control+0x93/0x710
[ 86.629866][ T718] ? css_next_child+0x160/0x160
[ 86.634704][ T718] ? wake_bit_function+0x230/0x230
[ 86.639808][ T718] ? kernfs_fop_write_iter+0x15b/0x410
[ 86.645271][ T718] ? __kasan_check_write+0x14/0x20
[ 86.650433][ T718] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 86.655720][ T718] cgroup_subtree_control_write+0xdde/0x1340
[ 86.661704][ T718] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 86.667668][ T718] ? __kasan_check_write+0x14/0x20
[ 86.672762][ T718] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 86.677680][ T718] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 86.683645][ T718] cgroup_file_write+0x28e/0x590
[ 86.688576][ T718] ? cgroup_seqfile_stop+0xc0/0xc0
[ 86.693690][ T718] ? bit_wait_io_timeout+0x110/0x110
[ 86.699001][ T718] ? __kasan_check_write+0x14/0x20
[ 86.704184][ T718] kernfs_fop_write_iter+0x2cd/0x410
[ 86.709456][ T718] ? cgroup_seqfile_stop+0xc0/0xc0
[ 86.714603][ T718] vfs_write+0xbb4/0xf30
[ 86.718848][ T718] ? file_end_write+0x1b0/0x1b0
[ 86.723692][ T718] ? mutex_lock+0xb6/0x130
[ 86.728118][ T718] ? bit_wait_io_timeout+0x110/0x110
[ 86.733473][ T718] ? __fdget_pos+0x26d/0x310
[ 86.738055][ T718] ? ksys_write+0x77/0x2c0
[ 86.742465][ T718] ksys_write+0x198/0x2c0
[ 86.746796][ T718] ? __ia32_sys_read+0x90/0x90
[ 86.751572][ T718] ? debug_smp_processor_id+0x17/0x20
[ 86.756940][ T718] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 86.762987][ T718] __x64_sys_write+0x7b/0x90
[ 86.767571][ T718] do_syscall_64+0x2f/0x50
[ 86.771996][ T718] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 86.777873][ T718] RIP: 0033:0x7f2a75dbc249
[ 86.782282][ T718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 86.801882][ T718] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 86.810291][ T718] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 86.818252][ T718] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 86.826238][ T718] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 86.834318][ T718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 86.842542][ T718] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 86.850505][ T718]
[ 86.911328][ T716] FAULT_INJECTION: forcing a failure.
[ 86.911328][ T716] name failslab, interval 1, probability 0, space 0, times 0
[ 86.924139][ T716] CPU: 1 PID: 716 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 86.934750][ T716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 86.944815][ T716] Call Trace:
[ 86.948086][ T716]
[ 86.951001][ T716] dump_stack_lvl+0x151/0x1b7
[ 86.955699][ T716] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 86.961245][ T716] ? selinux_kernfs_init_security+0x1a8/0x760
[ 86.967301][ T716] dump_stack+0x15/0x17
[ 86.971452][ T716] should_fail+0x3c0/0x510
[ 86.975856][ T716] ? __kernfs_new_node+0x99/0x6e0
[ 86.980867][ T716] __should_failslab+0x9f/0xe0
[ 86.985628][ T716] should_failslab+0x9/0x20
[ 86.990110][ T716] __kmalloc_track_caller+0x6c/0x340
[ 86.995382][ T716] kstrdup_const+0x55/0x90
[ 86.999794][ T716] __kernfs_new_node+0x99/0x6e0
[ 87.004625][ T716] ? stack_trace_save+0x1f0/0x1f0
[ 87.010046][ T716] ? kernfs_new_node+0x170/0x170
[ 87.015024][ T716] ? ptr_to_hashval+0x60/0x60
[ 87.019685][ T716] ? arch_stack_walk+0xf8/0x140
[ 87.024520][ T716] ? snprintf+0xd6/0x120
[ 87.028744][ T716] kernfs_new_node+0x97/0x170
[ 87.033406][ T716] __kernfs_create_file+0x4a/0x270
[ 87.038508][ T716] cgroup_addrm_files+0xab8/0xfe0
[ 87.043520][ T716] ? ____kasan_kmalloc+0xdc/0x110
[ 87.048537][ T716] ? __kasan_kmalloc+0x9/0x10
[ 87.053256][ T716] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 87.058782][ T716] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 87.064932][ T716] ? delete_node+0x759/0x7b0
[ 87.069509][ T716] ? __kasan_check_read+0x11/0x20
[ 87.074528][ T716] ? delete_node+0x759/0x7b0
[ 87.079097][ T716] ? __kasan_check_write+0x14/0x20
[ 87.084202][ T716] ? idr_replace+0x1c4/0x230
[ 87.088770][ T716] ? idr_get_next+0x4b0/0x4b0
[ 87.093429][ T716] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 87.098465][ T716] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 87.103658][ T716] css_populate_dir+0x137/0x370
[ 87.108492][ T716] cgroup_apply_control_enable+0x889/0x10c0
[ 87.114456][ T716] cgroup_apply_control+0x93/0x710
[ 87.119552][ T716] ? css_next_child+0x160/0x160
[ 87.124402][ T716] ? wake_bit_function+0x230/0x230
[ 87.129494][ T716] ? kernfs_fop_write_iter+0x15b/0x410
[ 87.134963][ T716] ? __kasan_check_write+0x14/0x20
[ 87.140071][ T716] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 87.145337][ T716] cgroup_subtree_control_write+0xdde/0x1340
[ 87.151315][ T716] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 87.157342][ T716] ? __kasan_check_write+0x14/0x20
[ 87.162487][ T716] ? _copy_from_iter+0x360/0xed0
[ 87.167421][ T716] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 87.173417][ T716] cgroup_file_write+0x28e/0x590
[ 87.178375][ T716] ? cgroup_seqfile_stop+0xc0/0xc0
[ 87.183489][ T716] ? bit_wait_io_timeout+0x110/0x110
[ 87.188757][ T716] ? __kasan_check_write+0x14/0x20
[ 87.193861][ T716] kernfs_fop_write_iter+0x2cd/0x410
[ 87.199243][ T716] ? cgroup_seqfile_stop+0xc0/0xc0
[ 87.204337][ T716] vfs_write+0xbb4/0xf30
[ 87.208575][ T716] ? file_end_write+0x1b0/0x1b0
[ 87.213405][ T716] ? mutex_lock+0xec/0x130
[ 87.217822][ T716] ? bit_wait_io_timeout+0x110/0x110
[ 87.223127][ T716] ? __fdget_pos+0x26d/0x310
[ 87.227701][ T716] ? ksys_write+0x77/0x2c0
[ 87.232102][ T716] ksys_write+0x198/0x2c0
[ 87.236420][ T716] ? __ia32_sys_read+0x90/0x90
[ 87.241175][ T716] ? debug_smp_processor_id+0x17/0x20
[ 87.246526][ T716] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 87.252574][ T716] __x64_sys_write+0x7b/0x90
[ 87.257166][ T716] do_syscall_64+0x2f/0x50
[ 87.261562][ T716] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 87.267433][ T716] RIP: 0033:0x7f2a75dbc249
[ 87.271838][ T716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 87.291432][ T716] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 87.299830][ T716] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 87.307783][ T716] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 87.315743][ T716] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 87.323728][ T716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 87.331701][ T716] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 87.339750][ T716]
[ 87.344078][ T716] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 87.391236][ T731] FAULT_INJECTION: forcing a failure.
[ 87.391236][ T731] name failslab, interval 1, probability 0, space 0, times 0
[ 87.403916][ T731] CPU: 0 PID: 731 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 87.414525][ T731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 87.424565][ T731] Call Trace:
[ 87.427848][ T731]
[ 87.430771][ T731] dump_stack_lvl+0x151/0x1b7
[ 87.435452][ T731] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 87.440898][ T731] ? pcpu_alloc+0xe83/0x1420
[ 87.445576][ T731] dump_stack+0x15/0x17
[ 87.449774][ T731] should_fail+0x3c0/0x510
[ 87.454190][ T731] ? percpu_ref_init+0xc9/0x350
[ 87.459032][ T731] __should_failslab+0x9f/0xe0
[ 87.463781][ T731] should_failslab+0x9/0x20
[ 87.468267][ T731] kmem_cache_alloc_trace+0x4a/0x320
[ 87.473653][ T731] ? cgroup_setup_root+0xec0/0xec0
[ 87.478743][ T731] percpu_ref_init+0xc9/0x350
[ 87.483403][ T731] ? cgroup_setup_root+0xec0/0xec0
[ 87.488491][ T731] cgroup_apply_control_enable+0x383/0x10c0
[ 87.494391][ T731] cgroup_apply_control+0x93/0x710
[ 87.499480][ T731] ? css_next_child+0x160/0x160
[ 87.504305][ T731] ? wake_bit_function+0x230/0x230
[ 87.509394][ T731] ? kernfs_fop_write_iter+0x15b/0x410
[ 87.514841][ T731] ? __kasan_check_write+0x14/0x20
[ 87.519942][ T731] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 87.525221][ T731] cgroup_subtree_control_write+0xdde/0x1340
[ 87.531203][ T731] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 87.537255][ T731] ? __kasan_check_write+0x14/0x20
[ 87.542380][ T731] ? _copy_from_iter+0x360/0xed0
[ 87.547338][ T731] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 87.553309][ T731] cgroup_file_write+0x28e/0x590
[ 87.558244][ T731] ? cgroup_seqfile_stop+0xc0/0xc0
[ 87.563373][ T731] ? bit_wait_io_timeout+0x110/0x110
[ 87.568673][ T731] ? __kasan_check_write+0x14/0x20
[ 87.573794][ T731] kernfs_fop_write_iter+0x2cd/0x410
[ 87.579070][ T731] ? cgroup_seqfile_stop+0xc0/0xc0
[ 87.584176][ T731] vfs_write+0xbb4/0xf30
[ 87.588398][ T731] ? file_end_write+0x1b0/0x1b0
[ 87.593245][ T731] ? mutex_lock+0xb6/0x130
[ 87.597641][ T731] ? bit_wait_io_timeout+0x110/0x110
[ 87.602929][ T731] ? __fdget_pos+0x26d/0x310
[ 87.607502][ T731] ? ksys_write+0x77/0x2c0
[ 87.611912][ T731] ksys_write+0x198/0x2c0
[ 87.616350][ T731] ? save_fpregs_to_fpstate+0x210/0x210
[ 87.621919][ T731] ? __ia32_sys_read+0x90/0x90
[ 87.626806][ T731] ? debug_smp_processor_id+0x17/0x20
[ 87.632196][ T731] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 87.638316][ T731] __x64_sys_write+0x7b/0x90
[ 87.642998][ T731] do_syscall_64+0x2f/0x50
[ 87.647429][ T731] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 87.653397][ T731] RIP: 0033:0x7f2a75dbc249
[ 87.657803][ T731] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 87.677414][ T731] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 87.685986][ T731] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 87.693942][ T731] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 87.702022][ T731] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 87.710722][ T731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 87.718717][ T731] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 87.726815][ T731]
[ 87.771217][ T739] FAULT_INJECTION: forcing a failure.
[ 87.771217][ T739] name failslab, interval 1, probability 0, space 0, times 0
[ 87.783939][ T739] CPU: 1 PID: 739 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 87.794724][ T739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 87.804870][ T739] Call Trace:
[ 87.808141][ T739]
[ 87.811062][ T739] dump_stack_lvl+0x151/0x1b7
[ 87.815739][ T739] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 87.821201][ T739] ? pcpu_alloc+0xe83/0x1420
[ 87.825828][ T739] dump_stack+0x15/0x17
[ 87.829970][ T739] should_fail+0x3c0/0x510
[ 87.834400][ T739] ? percpu_ref_init+0xc9/0x350
[ 87.839235][ T739] __should_failslab+0x9f/0xe0
[ 87.843985][ T739] should_failslab+0x9/0x20
[ 87.848582][ T739] kmem_cache_alloc_trace+0x4a/0x320
[ 87.854027][ T739] ? cgroup_setup_root+0xec0/0xec0
[ 87.859128][ T739] percpu_ref_init+0xc9/0x350
[ 87.863788][ T739] ? cgroup_setup_root+0xec0/0xec0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 87.868983][ T739] cgroup_apply_control_enable+0x383/0x10c0
[ 87.874871][ T739] cgroup_apply_control+0x93/0x710
[ 87.880056][ T739] ? css_next_child+0x160/0x160
[ 87.884891][ T739] ? wake_bit_function+0x230/0x230
[ 87.889992][ T739] ? kernfs_fop_write_iter+0x15b/0x410
[ 87.895467][ T739] ? __kasan_check_write+0x14/0x20
[ 87.900569][ T739] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 87.905860][ T739] cgroup_subtree_control_write+0xdde/0x1340
[ 87.911842][ T739] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 87.917991][ T739] ? __kasan_check_write+0x14/0x20
[ 87.923114][ T739] ? _copy_from_iter+0x360/0xed0
[ 87.928055][ T739] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 87.934028][ T739] cgroup_file_write+0x28e/0x590
[ 87.939085][ T739] ? cgroup_seqfile_stop+0xc0/0xc0
[ 87.944194][ T739] ? bit_wait_io_timeout+0x110/0x110
[ 87.949474][ T739] ? __kasan_check_write+0x14/0x20
[ 87.954589][ T739] kernfs_fop_write_iter+0x2cd/0x410
[ 87.959962][ T739] ? cgroup_seqfile_stop+0xc0/0xc0
[ 87.965079][ T739] vfs_write+0xbb4/0xf30
[ 87.969396][ T739] ? file_end_write+0x1b0/0x1b0
[ 87.974237][ T739] ? mutex_lock+0xb6/0x130
[ 87.978661][ T739] ? bit_wait_io_timeout+0x110/0x110
[ 87.984142][ T739] ? __fdget_pos+0x26d/0x310
[ 87.989075][ T739] ? ksys_write+0x77/0x2c0
[ 87.993482][ T739] ksys_write+0x198/0x2c0
[ 87.997825][ T739] ? __ia32_sys_read+0x90/0x90
[ 88.002594][ T739] ? debug_smp_processor_id+0x17/0x20
[ 88.008459][ T739] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 88.014525][ T739] __x64_sys_write+0x7b/0x90
[ 88.019110][ T739] do_syscall_64+0x2f/0x50
[ 88.023514][ T739] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 88.029482][ T739] RIP: 0033:0x7f2a75dbc249
[ 88.033878][ T739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 88.053477][ T739] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 88.062852][ T739] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 88.070821][ T739] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 88.078959][ T739] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 88.087007][ T739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 88.095054][ T739] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 88.103109][ T739]
[ 88.108915][ T432] ------------[ cut here ]------------
[ 88.114469][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 88.123626][ T432] Modules linked in:
[ 88.127639][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 88.139111][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 88.149750][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 88.155604][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 88.175410][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 88.181631][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27d3c0
[ 88.190367][ T432] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 88.198387][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 88.206995][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
[ 88.215266][ T432] R13: ffff88810e643800 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 88.223434][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 88.232438][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.239389][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 88.247655][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.255930][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.263924][ T432] Call Trace:
[ 88.267471][ T432]
[ 88.270411][ T432] ? __kasan_check_write+0x14/0x20
[ 88.276761][ T432] ? up_write+0xa1/0x190
[ 88.282155][ T432] ? vfs_submount+0xb0/0xb0
[ 88.286651][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 88.292215][ T432] namespace_unlock+0x448/0x4f0
[ 88.297080][ T432] ? umount_tree+0xf40/0xf40
[ 88.302065][ T432] ? __detach_mounts+0x670/0x670
[ 88.307112][ T432] ? selinux_umount+0xf3/0x130
[ 88.311903][ T432] ? security_sb_umount+0x9d/0xb0
[ 88.316983][ T432] path_umount+0xe89/0xf40
[ 88.321424][ T432] ? __kasan_slab_free+0x11/0x20
[ 88.326360][ T432] ? user_path_at_empty+0x152/0x1b0
[ 88.331574][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 88.336686][ T432] ? user_path_at_empty+0x152/0x1b0
[ 88.341913][ T432] __x64_sys_umount+0x122/0x170
[ 88.346891][ T432] ? path_umount+0xf40/0xf40
[ 88.351733][ T432] ? debug_smp_processor_id+0x17/0x20
[ 88.357122][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 88.363146][ T432] do_syscall_64+0x2f/0x50
[ 88.367784][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 88.373789][ T432] RIP: 0033:0x7f2a75dbd657
[ 88.378212][ T432] 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
[ 88.397924][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 88.406801][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 88.414810][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 88.423156][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 88.431327][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 88.439304][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 88.447389][ T432]
[ 88.450560][ T432] ---[ end trace 0000000000000000 ]---
[ 88.456181][ T432] ------------[ cut here ]------------
[ 88.461767][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 88.471166][ T432] Modules linked in:
[ 88.475247][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 88.485851][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 88.496239][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 88.502171][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 88.522838][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 88.528902][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d27d3c0
[ 88.536999][ T432] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 88.545206][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 88.553340][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 88.561532][ T432] R13: ffff88810e643800 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 88.569500][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 88.578670][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.585278][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 88.593275][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.601290][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.609273][ T432] Call Trace:
[ 88.612670][ T432]
[ 88.615607][ T432] ? lockref_get_or_lock+0x340/0x340
[ 88.620941][ T432] ? umount_tree+0xf40/0xf40
[ 88.625634][ T432] ? vfs_submount+0xb0/0xb0
[ 88.630150][ T432] ? dput+0x2b6/0x320
[ 88.634249][ T432] path_umount+0x1e0/0xf40
[ 88.638664][ T432] ? __kasan_slab_free+0x11/0x20
[ 88.643820][ T432] ? user_path_at_empty+0x152/0x1b0
[ 88.649203][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 88.654348][ T432] ? user_path_at_empty+0x152/0x1b0
[ 88.659551][ T432] __x64_sys_umount+0x122/0x170
[ 88.664654][ T432] ? path_umount+0xf40/0xf40
[ 88.669775][ T432] ? debug_smp_processor_id+0x17/0x20
[ 88.675267][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 88.681010][ T432] do_syscall_64+0x2f/0x50
[ 88.685508][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 88.691414][ T432] RIP: 0033:0x7f2a75dbd657
[ 88.695820][ T432] 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
[ 88.715940][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 88.724450][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 88.732441][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 88.741160][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 88.749321][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 88.757325][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 88.765400][ T432]
[ 88.768414][ T432] ---[ end trace 0000000000000000 ]---
[ 88.791308][ T742] FAULT_INJECTION: forcing a failure.
[ 88.791308][ T742] name failslab, interval 1, probability 0, space 0, times 0
[ 88.805294][ T742] CPU: 1 PID: 742 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 88.816303][ T742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 88.826804][ T742] Call Trace:
[ 88.830260][ T742]
[ 88.833354][ T742] dump_stack_lvl+0x151/0x1b7
[ 88.838140][ T742] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 88.843711][ T742] ? pcpu_alloc+0xe83/0x1420
[ 88.848409][ T742] dump_stack+0x15/0x17
[ 88.852553][ T742] should_fail+0x3c0/0x510
[ 88.856963][ T742] ? percpu_ref_init+0xc9/0x350
[ 88.861799][ T742] __should_failslab+0x9f/0xe0
[ 88.866550][ T742] should_failslab+0x9/0x20
[ 88.871045][ T742] kmem_cache_alloc_trace+0x4a/0x320
[ 88.876404][ T742] ? cgroup_setup_root+0xec0/0xec0
[ 88.881499][ T742] percpu_ref_init+0xc9/0x350
[ 88.886261][ T742] ? cgroup_setup_root+0xec0/0xec0
[ 88.891361][ T742] cgroup_apply_control_enable+0x383/0x10c0
[ 88.897517][ T742] cgroup_apply_control+0x93/0x710
[ 88.902650][ T742] ? css_next_child+0x160/0x160
[ 88.907487][ T742] ? wake_bit_function+0x230/0x230
[ 88.912698][ T742] ? kernfs_fop_write_iter+0x15b/0x410
[ 88.918355][ T742] ? __kasan_check_write+0x14/0x20
[ 88.923475][ T742] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 88.928844][ T742] cgroup_subtree_control_write+0xdde/0x1340
[ 88.934821][ T742] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 88.940891][ T742] ? __kasan_check_write+0x14/0x20
[ 88.946219][ T742] ? _copy_from_iter+0x360/0xed0
[ 88.951351][ T742] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 88.957462][ T742] cgroup_file_write+0x28e/0x590
[ 88.962773][ T742] ? cgroup_seqfile_stop+0xc0/0xc0
[ 88.968076][ T742] ? bit_wait_io_timeout+0x110/0x110
[ 88.973388][ T742] ? __kasan_check_write+0x14/0x20
[ 88.978509][ T742] kernfs_fop_write_iter+0x2cd/0x410
[ 88.984502][ T742] ? cgroup_seqfile_stop+0xc0/0xc0
[ 88.989770][ T742] vfs_write+0xbb4/0xf30
[ 88.994112][ T742] ? file_end_write+0x1b0/0x1b0
[ 88.998960][ T742] ? mutex_lock+0xec/0x130
[ 89.003453][ T742] ? bit_wait_io_timeout+0x110/0x110
[ 89.008727][ T742] ? __fdget_pos+0x26d/0x310
[ 89.013307][ T742] ? ksys_write+0x77/0x2c0
[ 89.017710][ T742] ksys_write+0x198/0x2c0
[ 89.022026][ T742] ? __ia32_sys_read+0x90/0x90
[ 89.026863][ T742] ? debug_smp_processor_id+0x17/0x20
[ 89.032224][ T742] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 89.038298][ T742] __x64_sys_write+0x7b/0x90
[ 89.042872][ T742] do_syscall_64+0x2f/0x50
[ 89.047277][ T742] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 89.053182][ T742] RIP: 0033:0x7f2a75dbc249
[ 89.057589][ T742] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 89.077278][ T742] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 89.085893][ T742] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 89.093857][ T742] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 89.101968][ T742] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 89.110756][ T742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 89.119502][ T742] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 89.128328][ T742]
[ 89.171308][ T733] FAULT_INJECTION: forcing a failure.
[ 89.171308][ T733] name failslab, interval 1, probability 0, space 0, times 0
[ 89.184341][ T733] CPU: 1 PID: 733 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 89.195036][ T733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 89.205303][ T733] Call Trace:
[ 89.208578][ T733]
[ 89.211505][ T733] dump_stack_lvl+0x151/0x1b7
[ 89.216216][ T733] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 89.221679][ T733] dump_stack+0x15/0x17
[ 89.225826][ T733] should_fail+0x3c0/0x510
[ 89.230326][ T733] ? pids_css_alloc+0x4e/0x120
[ 89.235101][ T733] __should_failslab+0x9f/0xe0
[ 89.239862][ T733] should_failslab+0x9/0x20
[ 89.244401][ T733] kmem_cache_alloc_trace+0x4a/0x320
[ 89.250318][ T733] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 89.255510][ T733] pids_css_alloc+0x4e/0x120
[ 89.260096][ T733] cgroup_apply_control_enable+0x335/0x10c0
[ 89.266087][ T733] cgroup_apply_control+0x93/0x710
[ 89.271222][ T733] ? css_next_child+0x160/0x160
[ 89.276164][ T733] ? wake_bit_function+0x230/0x230
[ 89.281656][ T733] ? __schedule+0xb2a/0x1020
[ 89.286273][ T733] ? kernfs_fop_write_iter+0x15b/0x410
[ 89.291822][ T733] ? __kasan_check_write+0x14/0x20
[ 89.296947][ T733] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 89.302324][ T733] cgroup_subtree_control_write+0xdde/0x1340
[ 89.308509][ T733] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 89.314586][ T733] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 89.319715][ T733] ? _copy_from_iter+0x360/0xed0
[ 89.324796][ T733] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 89.330914][ T733] cgroup_file_write+0x28e/0x590
[ 89.336031][ T733] ? cgroup_seqfile_stop+0xc0/0xc0
[ 89.341304][ T733] ? bit_wait_io_timeout+0x110/0x110
[ 89.346582][ T733] ? __kasan_check_write+0x14/0x20
[ 89.351985][ T733] kernfs_fop_write_iter+0x2cd/0x410
[ 89.357675][ T733] ? cgroup_seqfile_stop+0xc0/0xc0
[ 89.362795][ T733] vfs_write+0xbb4/0xf30
[ 89.367253][ T733] ? file_end_write+0x1b0/0x1b0
[ 89.372711][ T733] ? mutex_lock+0xb6/0x130
[ 89.377222][ T733] ? bit_wait_io_timeout+0x110/0x110
[ 89.382652][ T733] ? __fdget_pos+0x26d/0x310
[ 89.388020][ T733] ? ksys_write+0x77/0x2c0
[ 89.392599][ T733] ksys_write+0x198/0x2c0
[ 89.397034][ T733] ? __ia32_sys_read+0x90/0x90
[ 89.401811][ T733] ? debug_smp_processor_id+0x17/0x20
[ 89.407268][ T733] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 89.413422][ T733] __x64_sys_write+0x7b/0x90
[ 89.418129][ T733] do_syscall_64+0x2f/0x50
[ 89.422998][ T733] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 89.429557][ T733] RIP: 0033:0x7f2a75dbc249
[ 89.434153][ T733] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 89.454380][ T733] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 89.462872][ T733] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 89.470842][ T733] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 89.479223][ T733] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 89.487537][ T733] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 89.495806][ T733] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 89.504094][ T733]
[ 89.551239][ T736] FAULT_INJECTION: forcing a failure.
[ 89.551239][ T736] name failslab, interval 1, probability 0, space 0, times 0
[ 89.564232][ T736] CPU: 0 PID: 736 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 89.575029][ T736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 89.585076][ T736] Call Trace:
[ 89.588429][ T736]
[ 89.591344][ T736] dump_stack_lvl+0x151/0x1b7
[ 89.596185][ T736] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 89.601996][ T736] dump_stack+0x15/0x17
[ 89.606183][ T736] should_fail+0x3c0/0x510
[ 89.610606][ T736] ? pids_css_alloc+0x4e/0x120
[ 89.615404][ T736] __should_failslab+0x9f/0xe0
[ 89.620171][ T736] should_failslab+0x9/0x20
[ 89.624675][ T736] kmem_cache_alloc_trace+0x4a/0x320
[ 89.629966][ T736] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 89.635324][ T736] pids_css_alloc+0x4e/0x120
[ 89.639893][ T736] cgroup_apply_control_enable+0x335/0x10c0
[ 89.645767][ T736] cgroup_apply_control+0x93/0x710
[ 89.650955][ T736] ? css_next_child+0x160/0x160
[ 89.655870][ T736] ? wake_bit_function+0x230/0x230
[ 89.660960][ T736] ? kernfs_fop_write_iter+0x15b/0x410
[ 89.666411][ T736] ? __kasan_check_write+0x14/0x20
[ 89.671530][ T736] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 89.676814][ T736] cgroup_subtree_control_write+0xdde/0x1340
[ 89.682895][ T736] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 89.688869][ T736] ? __kasan_check_write+0x14/0x20
[ 89.693977][ T736] ? _copy_from_iter+0x360/0xed0
[ 89.698903][ T736] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 89.704886][ T736] cgroup_file_write+0x28e/0x590
[ 89.709807][ T736] ? cgroup_seqfile_stop+0xc0/0xc0
[ 89.714918][ T736] ? bit_wait_io_timeout+0x110/0x110
[ 89.720288][ T736] ? __kasan_check_write+0x14/0x20
[ 89.725381][ T736] kernfs_fop_write_iter+0x2cd/0x410
[ 89.730688][ T736] ? cgroup_seqfile_stop+0xc0/0xc0
[ 89.735869][ T736] vfs_write+0xbb4/0xf30
[ 89.740377][ T736] ? file_end_write+0x1b0/0x1b0
[ 89.745231][ T736] ? mutex_lock+0xec/0x130
[ 89.749644][ T736] ? bit_wait_io_timeout+0x110/0x110
[ 89.755095][ T736] ? __fdget_pos+0x26d/0x310
[ 89.762220][ T736] ? ksys_write+0x77/0x2c0
[ 89.766621][ T736] ksys_write+0x198/0x2c0
[ 89.770959][ T736] ? __ia32_sys_read+0x90/0x90
[ 89.775719][ T736] ? debug_smp_processor_id+0x17/0x20
[ 89.781080][ T736] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 89.787245][ T736] __x64_sys_write+0x7b/0x90
[ 89.791820][ T736] do_syscall_64+0x2f/0x50
[ 89.796252][ T736] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 89.802206][ T736] RIP: 0033:0x7f2a75dbc249
[ 89.808434][ T736] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 89.829418][ T736] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 89.837993][ T736] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 89.845952][ T736] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 89.853951][ T736] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 89.862087][ T736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 89.870129][ T736] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 89.878191][ T736]
[ 89.883897][ T430] ------------[ cut here ]------------
[ 89.889660][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 89.899189][ T430] Modules linked in:
[ 89.903746][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 89.916212][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 89.926461][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 89.932212][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 89.954739][ T430] RSP: 0018:ffffc9000161fba0 EFLAGS: 00010293
[ 89.960882][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 89.968946][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 89.977062][ T430] RBP: ffffc9000161fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 89.985146][ T430] R10: fffff520002c3f65 R11: 1ffff920002c3f64 R12: dffffc0000000000
[ 89.993141][ T430] R13: ffff88810e638780 R14: ffffc9000161fc00 R15: 1ffff920002c3f7c
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 90.001135][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 90.010053][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.017006][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 90.025049][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 90.033071][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 90.041068][ T430] Call Trace:
[ 90.044446][ T430]
[ 90.047368][ T430] ? __kasan_check_write+0x14/0x20
[ 90.052502][ T430] ? up_write+0xa1/0x190
[ 90.056754][ T430] ? vfs_submount+0xb0/0xb0
[ 90.061288][ T430] ? preempt_schedule+0xd9/0xe0
[ 90.066248][ T430] ? __kasan_check_read+0x11/0x20
[ 90.071553][ T430] namespace_unlock+0x448/0x4f0
[ 90.076442][ T430] ? umount_tree+0xf40/0xf40
[ 90.081062][ T430] ? change_mnt_propagation+0x881/0xbc0
[ 90.086632][ T430] path_umount+0xe89/0xf40
[ 90.091076][ T430] ? __kasan_slab_free+0x11/0x20
[ 90.096012][ T430] ? user_path_at_empty+0x152/0x1b0
[ 90.101226][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 90.106265][ T430] ? user_path_at_empty+0x152/0x1b0
[ 90.111502][ T430] __x64_sys_umount+0x122/0x170
[ 90.116438][ T430] ? path_umount+0xf40/0xf40
[ 90.121137][ T430] ? debug_smp_processor_id+0x17/0x20
[ 90.126507][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 90.132174][ T430] do_syscall_64+0x2f/0x50
[ 90.136682][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 90.142609][ T430] RIP: 0033:0x7f2a75dbd657
[ 90.147046][ 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
[ 90.167254][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 90.175716][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 90.183823][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 90.191921][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 90.199885][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 90.208254][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 90.216361][ T430]
[ 90.219527][ T430] ---[ end trace 0000000000000000 ]---
[ 90.225158][ T430] ------------[ cut here ]------------
[ 90.230937][ T430] WARNING: CPU: 1 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 90.240156][ T430] Modules linked in:
[ 90.241382][ T753] FAULT_INJECTION: forcing a failure.
[ 90.241382][ T753] name failslab, interval 1, probability 0, space 0, times 0
[ 90.244101][ T430] CPU: 1 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 90.256659][ T753] CPU: 0 PID: 753 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 90.267218][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 90.278033][ T753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 90.278050][ T753] Call Trace:
[ 90.278056][ T753]
[ 90.278064][ T753] dump_stack_lvl+0x151/0x1b7
[ 90.288239][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 90.298350][ T753] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 90.298372][ T753] ? pcpu_alloc+0xe83/0x1420
[ 90.301650][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 90.304557][ T753] dump_stack+0x15/0x17
[ 90.309637][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 90.315244][ T753] should_fail+0x3c0/0x510
[ 90.315264][ T753] ? percpu_ref_init+0xc9/0x350
[ 90.315279][ T753] __should_failslab+0x9f/0xe0
[ 90.320743][ T430]
[ 90.325294][ T753] should_failslab+0x9/0x20
[ 90.344897][ T430] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd14300
[ 90.349043][ T753] kmem_cache_alloc_trace+0x4a/0x320
[ 90.355396][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 90.360063][ T753] ? cgroup_setup_root+0xec0/0xec0
[ 90.364932][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 90.369677][ T753] percpu_ref_init+0xc9/0x350
[ 90.372037][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 90.376462][ T753] ? cgroup_setup_root+0xec0/0xec0
[ 90.384517][ T430] R13: ffff88810e638780 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 90.389761][ T753] cgroup_apply_control_enable+0x383/0x10c0
[ 90.397831][ T430] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 90.403006][ T753] cgroup_apply_control+0x93/0x710
[ 90.410978][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.415723][ T753] ? css_next_child+0x160/0x160
[ 90.423698][ T430] CR2: 00007f2a75e05a28 CR3: 0000000120e32000 CR4: 00000000003506a0
[ 90.428856][ T753] ? wake_bit_function+0x230/0x230
[ 90.436822][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 90.442868][ T753] ? kernfs_fop_write_iter+0x15b/0x410
[ 90.442888][ T753] ? __kasan_check_write+0x14/0x20
[ 90.451886][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 90.456962][ T753] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 90.463798][ T430] Call Trace:
[ 90.468629][ T753] cgroup_subtree_control_write+0xdde/0x1340
[ 90.476650][ T430]
[ 90.481710][ T753] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 90.489672][ T430] ? lockref_get_or_lock+0x340/0x340
[ 90.495113][ T753] ? __kasan_check_write+0x14/0x20
[ 90.495133][ T753] ? _copy_from_iter+0x360/0xed0
[ 90.500305][ T430] ? umount_tree+0xf40/0xf40
[ 90.508342][ T753] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 90.508363][ T753] cgroup_file_write+0x28e/0x590
[ 90.513622][ T430] ? vfs_submount+0xb0/0xb0
[ 90.516888][ T753] ? cgroup_seqfile_stop+0xc0/0xc0
[ 90.522872][ T430] ? dput+0x2b6/0x320
[ 90.525761][ T753] ? bit_wait_io_timeout+0x110/0x110
[ 90.531766][ T430] path_umount+0x1e0/0xf40
[ 90.537015][ T753] ? __kasan_check_write+0x14/0x20
[ 90.542133][ T430] ? __kasan_slab_free+0x11/0x20
[ 90.547029][ T753] kernfs_fop_write_iter+0x2cd/0x410
[ 90.551724][ T430] ? user_path_at_empty+0x152/0x1b0
[ 90.557651][ T753] ? cgroup_seqfile_stop+0xc0/0xc0
[ 90.562587][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 90.567039][ T753] vfs_write+0xbb4/0xf30
[ 90.572196][ T430] ? user_path_at_empty+0x152/0x1b0
[ 90.576109][ T753] ? file_end_write+0x1b0/0x1b0
[ 90.581386][ T430] __x64_sys_umount+0x122/0x170
[ 90.585861][ T753] ? mutex_lock+0xec/0x130
[ 90.590965][ T430] ? path_umount+0xf40/0xf40
[ 90.595859][ T753] ? bit_wait_io_timeout+0x110/0x110
[ 90.601144][ T430] ? debug_smp_processor_id+0x17/0x20
[ 90.606305][ T753] ? __fdget_pos+0x26d/0x310
[ 90.611397][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 90.616378][ T753] ? ksys_write+0x77/0x2c0
[ 90.620601][ T430] do_syscall_64+0x2f/0x50
[ 90.625771][ T753] ksys_write+0x198/0x2c0
[ 90.625789][ T753] ? __ia32_sys_read+0x90/0x90
[ 90.630629][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 90.635482][ T753] ? debug_smp_processor_id+0x17/0x20
[ 90.635500][ T753] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 90.639914][ T430] RIP: 0033:0x7f2a75dbd657
[ 90.644500][ T753] __x64_sys_write+0x7b/0x90
[ 90.644519][ T753] do_syscall_64+0x2f/0x50
[ 90.654942][ 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
[ 90.660844][ T753] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 90.665500][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 90.671102][ T753] RIP: 0033:0x7f2a75dbc249
[ 90.671118][ T753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 90.671131][ T753] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 90.671147][ T753] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 90.675536][ T430] ORIG_RAX: 00000000000000a6
[ 90.679922][ T753] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 90.684241][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 90.688969][ T753] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 90.694847][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 90.700309][ T753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 90.706401][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 90.710934][ T753] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 90.710953][ T753]
[ 90.715543][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 90.863861][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 90.871891][ T430]
[ 90.874909][ T430] ---[ end trace 0000000000000000 ]---
[ 90.882460][ T434] ------------[ cut here ]------------
[ 90.888106][ T434] WARNING: CPU: 1 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 90.897112][ T434] Modules linked in:
[ 90.901032][ T434] CPU: 1 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 90.911736][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 90.921799][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 90.927429][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 90.947395][ T434] RSP: 0018:ffffc9000165fba0 EFLAGS: 00010293
[ 90.953864][ T434] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27a180
[ 90.961983][ T434] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 90.970044][ T434] RBP: ffffc9000165fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 90.978026][ T434] R10: fffff520002cbf65 R11: 1ffff920002cbf64 R12: dffffc0000000000
[ 90.986191][ T434] R13: ffff88810e642480 R14: ffffc9000165fc00 R15: 1ffff920002cbf7c
[ 90.994176][ T434] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 91.003355][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 91.010020][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506a0
[ 91.018193][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 91.026184][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 91.034455][ T434] Call Trace:
[ 91.037738][ T434]
[ 91.040671][ T434] ? __kasan_check_write+0x14/0x20
[ 91.045816][ T434] ? up_write+0xa1/0x190
[ 91.050057][ T434] ? vfs_submount+0xb0/0xb0
[ 91.054692][ T434] ? change_mnt_propagation+0x8de/0xbc0
[ 91.060278][ T434] namespace_unlock+0x448/0x4f0
[ 91.065157][ T434] ? umount_tree+0xf40/0xf40
[ 91.069743][ T434] ? __detach_mounts+0x670/0x670
[ 91.074788][ T434] ? selinux_umount+0xf3/0x130
[ 91.079646][ T434] ? security_sb_umount+0x9d/0xb0
[ 91.084896][ T434] path_umount+0xe89/0xf40
[ 91.089321][ T434] ? __kasan_slab_free+0x11/0x20
[ 91.094278][ T434] ? user_path_at_empty+0x152/0x1b0
[ 91.099648][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 91.104696][ T434] ? user_path_at_empty+0x152/0x1b0
[ 91.109900][ T434] __x64_sys_umount+0x122/0x170
[ 91.114956][ T434] ? path_umount+0xf40/0xf40
[ 91.119544][ T434] ? debug_smp_processor_id+0x17/0x20
[ 91.124933][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 91.130568][ T434] do_syscall_64+0x2f/0x50
[ 91.135019][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 91.140931][ T434] RIP: 0033:0x7f2a75dbd657
[ 91.145422][ T434] 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
[ 91.165150][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 91.173571][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 91.181556][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 91.189534][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 91.197532][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 91.206120][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 91.214293][ T434]
[ 91.217308][ T434] ---[ end trace 0000000000000000 ]---
[ 91.222884][ T434] ------------[ cut here ]------------
[ 91.229204][ T434] WARNING: CPU: 1 PID: 434 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 91.238411][ T434] Modules linked in:
[ 91.242608][ T434] CPU: 1 PID: 434 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 91.253315][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 91.263407][ T434] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 91.269060][ T434] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 91.288956][ T434] RSP: 0018:ffffc9000165fca0 EFLAGS: 00010293
[ 91.295143][ T434] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27a180
[ 91.303137][ T434] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 91.311135][ T434] RBP: ffffc9000165fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 91.319221][ T434] R10: fffff520002cbf85 R11: 1ffff920002cbf84 R12: dffffc0000000000
[ 91.327550][ T434] R13: ffff88810e642480 R14: ffffc9000165fd00 R15: 1ffff920002cbf9c
[ 91.335788][ T434] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 91.345115][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 91.351705][ T434] CR2: 0000555556619738 CR3: 000000012112d000 CR4: 00000000003506a0
[ 91.360141][ T434] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 91.368206][ T434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 91.376192][ T434] Call Trace:
[ 91.379549][ T434]
[ 91.382494][ T434] ? lockref_get_or_lock+0x340/0x340
[ 91.387783][ T434] ? umount_tree+0xf40/0xf40
[ 91.392427][ T434] ? vfs_submount+0xb0/0xb0
[ 91.396923][ T434] ? dput+0x2b6/0x320
[ 91.400967][ T434] path_umount+0x1e0/0xf40
[ 91.405396][ T434] ? __kasan_slab_free+0x11/0x20
[ 91.410421][ T434] ? user_path_at_empty+0x152/0x1b0
[ 91.415646][ T434] ? namespace_unlock+0x4f0/0x4f0
[ 91.420668][ T434] ? user_path_at_empty+0x152/0x1b0
[ 91.426203][ T434] __x64_sys_umount+0x122/0x170
[ 91.431086][ T434] ? path_umount+0xf40/0xf40
[ 91.435745][ T434] ? debug_smp_processor_id+0x17/0x20
[ 91.441257][ T434] ? exit_to_user_mode_prepare+0x3a/0x80
[ 91.446893][ T434] do_syscall_64+0x2f/0x50
[ 91.451342][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 91.457238][ T434] RIP: 0033:0x7f2a75dbd657
[ 91.461762][ T434] 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
[ 91.482210][ T434] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 91.490714][ T434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 91.498719][ T434] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 91.506732][ T434] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 91.514711][ T434] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 91.522790][ T434] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 91.530773][ T434]
[ 91.533802][ T434] ---[ end trace 0000000000000000 ]---
[ 91.551142][ T744] FAULT_INJECTION: forcing a failure.
[ 91.551142][ T744] name failslab, interval 1, probability 0, space 0, times 0
[ 91.563982][ T744] CPU: 0 PID: 744 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 91.574709][ T744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 91.584764][ T744] Call Trace:
[ 91.588043][ T744]
[ 91.590992][ T744] dump_stack_lvl+0x151/0x1b7
[ 91.595662][ T744] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 91.601105][ T744] ? pcpu_alloc+0xe83/0x1420
[ 91.605682][ T744] dump_stack+0x15/0x17
[ 91.609826][ T744] should_fail+0x3c0/0x510
[ 91.614245][ T744] ? percpu_ref_init+0xc9/0x350
[ 91.619081][ T744] __should_failslab+0x9f/0xe0
[ 91.623829][ T744] should_failslab+0x9/0x20
[ 91.628318][ T744] kmem_cache_alloc_trace+0x4a/0x320
[ 91.633587][ T744] ? cgroup_setup_root+0xec0/0xec0
[ 91.638681][ T744] percpu_ref_init+0xc9/0x350
[ 91.643349][ T744] ? cgroup_setup_root+0xec0/0xec0
[ 91.648567][ T744] cgroup_apply_control_enable+0x383/0x10c0
[ 91.654490][ T744] cgroup_apply_control+0x93/0x710
[ 91.659602][ T744] ? css_next_child+0x160/0x160
[ 91.664439][ T744] ? wake_bit_function+0x230/0x230
[ 91.669542][ T744] ? kernfs_fop_write_iter+0x15b/0x410
[ 91.674998][ T744] ? __kasan_check_write+0x14/0x20
[ 91.680210][ T744] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 91.685492][ T744] cgroup_subtree_control_write+0xdde/0x1340
[ 91.691464][ T744] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 91.697435][ T744] ? __kasan_check_write+0x14/0x20
[ 91.702549][ T744] ? _copy_from_iter+0x360/0xed0
[ 91.707583][ T744] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 91.713561][ T744] cgroup_file_write+0x28e/0x590
[ 91.718501][ T744] ? cgroup_seqfile_stop+0xc0/0xc0
[ 91.723602][ T744] ? bit_wait_io_timeout+0x110/0x110
[ 91.729060][ T744] ? __kasan_check_write+0x14/0x20
[ 91.734160][ T744] kernfs_fop_write_iter+0x2cd/0x410
[ 91.739441][ T744] ? cgroup_seqfile_stop+0xc0/0xc0
[ 91.744730][ T744] vfs_write+0xbb4/0xf30
[ 91.749045][ T744] ? file_end_write+0x1b0/0x1b0
[ 91.753966][ T744] ? mutex_lock+0xb6/0x130
[ 91.758477][ T744] ? bit_wait_io_timeout+0x110/0x110
[ 91.763749][ T744] ? __fdget_pos+0x26d/0x310
[ 91.768364][ T744] ? ksys_write+0x77/0x2c0
[ 91.772765][ T744] ksys_write+0x198/0x2c0
[ 91.777092][ T744] ? __ia32_sys_read+0x90/0x90
[ 91.781931][ T744] ? debug_smp_processor_id+0x17/0x20
[ 91.788024][ T744] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 91.794279][ T744] __x64_sys_write+0x7b/0x90
[ 91.799333][ T744] do_syscall_64+0x2f/0x50
[ 91.804405][ T744] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 91.811532][ T744] RIP: 0033:0x7f2a75dbc249
[ 91.816066][ T744] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 91.835923][ T744] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 91.844526][ T744] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 91.852608][ T744] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 91.860588][ T744] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 91.868545][ T744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 91.876619][ T744] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 91.884589][ T744]
[ 91.911268][ T747] FAULT_INJECTION: forcing a failure.
[ 91.911268][ T747] name failslab, interval 1, probability 0, space 0, times 0
[ 91.924140][ T747] CPU: 0 PID: 747 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 91.934837][ T747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 91.944970][ T747] Call Trace:
[ 91.948411][ T747]
[ 91.951354][ T747] dump_stack_lvl+0x151/0x1b7
[ 91.956369][ T747] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 91.961986][ T747] dump_stack+0x15/0x17
[ 91.966119][ T747] should_fail+0x3c0/0x510
[ 91.970614][ T747] ? pids_css_alloc+0x4e/0x120
[ 91.975612][ T747] __should_failslab+0x9f/0xe0
[ 91.980383][ T747] should_failslab+0x9/0x20
[ 91.984877][ T747] kmem_cache_alloc_trace+0x4a/0x320
[ 91.990148][ T747] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 91.995337][ T747] pids_css_alloc+0x4e/0x120
[ 91.999912][ T747] cgroup_apply_control_enable+0x335/0x10c0
[ 92.005791][ T747] cgroup_apply_control+0x93/0x710
[ 92.010970][ T747] ? css_next_child+0x160/0x160
[ 92.015812][ T747] ? wake_bit_function+0x230/0x230
[ 92.020960][ T747] ? kernfs_fop_write_iter+0x15b/0x410
[ 92.026429][ T747] ? __kasan_check_write+0x14/0x20
[ 92.031645][ T747] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 92.037002][ T747] cgroup_subtree_control_write+0xdde/0x1340
[ 92.042985][ T747] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 92.049105][ T747] ? __kasan_check_write+0x14/0x20
[ 92.054228][ T747] ? _copy_from_iter+0x360/0xed0
[ 92.059241][ T747] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 92.065208][ T747] cgroup_file_write+0x28e/0x590
[ 92.070132][ T747] ? cgroup_seqfile_stop+0xc0/0xc0
[ 92.075639][ T747] ? bit_wait_io_timeout+0x110/0x110
[ 92.080992][ T747] ? __kasan_check_write+0x14/0x20
[ 92.086205][ T747] kernfs_fop_write_iter+0x2cd/0x410
[ 92.091583][ T747] ? cgroup_seqfile_stop+0xc0/0xc0
[ 92.096832][ T747] vfs_write+0xbb4/0xf30
[ 92.101102][ T747] ? file_end_write+0x1b0/0x1b0
[ 92.105958][ T747] ? mutex_lock+0xec/0x130
[ 92.110467][ T747] ? bit_wait_io_timeout+0x110/0x110
[ 92.115761][ T747] ? __fdget_pos+0x26d/0x310
[ 92.120455][ T747] ? ksys_write+0x77/0x2c0
[ 92.124922][ T747] ksys_write+0x198/0x2c0
[ 92.129245][ T747] ? __ia32_sys_read+0x90/0x90
[ 92.133996][ T747] ? debug_smp_processor_id+0x17/0x20
[ 92.139374][ T747] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 92.145446][ T747] __x64_sys_write+0x7b/0x90
[ 92.150044][ T747] do_syscall_64+0x2f/0x50
[ 92.154440][ T747] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 92.160351][ T747] RIP: 0033:0x7f2a75dbc249
[ 92.164761][ T747] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 92.184840][ T747] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 92.193245][ T747] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 92.201215][ T747] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 92.209165][ T747] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 92.217212][ T747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 92.225179][ T747] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 92.233148][ T747]
[ 92.281289][ T750] FAULT_INJECTION: forcing a failure.
[ 92.281289][ T750] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[ 92.294654][ T750] CPU: 0 PID: 750 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 92.305348][ T750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 92.315393][ T750] Call Trace:
[ 92.318708][ T750]
[ 92.321644][ T750] dump_stack_lvl+0x151/0x1b7
[ 92.326317][ T750] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 92.331777][ T750] ? __kasan_check_write+0x14/0x20
[ 92.336903][ T750] ? _raw_spin_lock_irq+0xa4/0x1b0
[ 92.342009][ T750] dump_stack+0x15/0x17
[ 92.346155][ T750] should_fail+0x3c0/0x510
[ 92.350556][ T750] should_fail_alloc_page+0x50/0x60
[ 92.355754][ T750] __alloc_pages+0x207/0x850
[ 92.360347][ T750] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 92.366735][ T750] ? zone_watermark_fast+0x210/0x210
[ 92.372319][ T750] allocate_slab+0x69/0x4d0
[ 92.376838][ T750] ___slab_alloc+0x2c2/0x6a0
[ 92.381514][ T750] ? pids_css_alloc+0x4e/0x120
[ 92.386382][ T750] ? pids_css_alloc+0x4e/0x120
[ 92.391161][ T750] __slab_alloc+0x4a/0x90
[ 92.395492][ T750] kmem_cache_alloc_trace+0x221/0x320
[ 92.400890][ T750] ? pids_css_alloc+0x4e/0x120
[ 92.405750][ T750] pids_css_alloc+0x4e/0x120
[ 92.410351][ T750] cgroup_apply_control_enable+0x335/0x10c0
[ 92.416239][ T750] cgroup_apply_control+0x93/0x710
[ 92.421370][ T750] ? css_next_child+0x160/0x160
[ 92.426209][ T750] ? wake_bit_function+0x230/0x230
[ 92.431308][ T750] ? kernfs_fop_write_iter+0x15b/0x410
[ 92.436754][ T750] ? __kasan_check_write+0x14/0x20
[ 92.441867][ T750] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 92.447138][ T750] cgroup_subtree_control_write+0xdde/0x1340
[ 92.453292][ T750] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 92.459288][ T750] ? __kasan_check_write+0x14/0x20
[ 92.464479][ T750] ? _copy_from_iter+0x360/0xed0
[ 92.469406][ T750] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 92.475559][ T750] cgroup_file_write+0x28e/0x590
[ 92.480485][ T750] ? cgroup_seqfile_stop+0xc0/0xc0
[ 92.485612][ T750] ? bit_wait_io_timeout+0x110/0x110
[ 92.490886][ T750] ? __kasan_check_write+0x14/0x20
[ 92.496070][ T750] kernfs_fop_write_iter+0x2cd/0x410
[ 92.501342][ T750] ? cgroup_seqfile_stop+0xc0/0xc0
[ 92.506545][ T750] vfs_write+0xbb4/0xf30
[ 92.511108][ T750] ? file_end_write+0x1b0/0x1b0
[ 92.515964][ T750] ? mutex_lock+0xec/0x130
[ 92.520380][ T750] ? bit_wait_io_timeout+0x110/0x110
[ 92.525690][ T750] ? __fdget_pos+0x26d/0x310
[ 92.530272][ T750] ? ksys_write+0x77/0x2c0
[ 92.534706][ T750] ksys_write+0x198/0x2c0
[ 92.539291][ T750] ? __ia32_sys_read+0x90/0x90
[ 92.544043][ T750] ? debug_smp_processor_id+0x17/0x20
[ 92.549485][ T750] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 92.555547][ T750] __x64_sys_write+0x7b/0x90
[ 92.560123][ T750] do_syscall_64+0x2f/0x50
[ 92.564534][ T750] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 92.570416][ T750] RIP: 0033:0x7f2a75dbc249
[ 92.574839][ T750] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 92.594603][ T750] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 92.603176][ T750] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 92.611219][ T750] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 92.619180][ T750] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 92.627138][ T750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 92.635179][ T750] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 92.643225][ T750]
[ 92.649751][ T429] ------------[ cut here ]------------
[ 92.655301][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 92.664258][ T429] Modules linked in:
[ 92.668243][ T429] CPU: 1 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 92.678845][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 92.689001][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 92.694651][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 92.714367][ T429] RSP: 0018:ffffc9000160fba0 EFLAGS: 00010293
[ 92.720526][ T429] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810dd310c0
[ 92.728521][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 92.736701][ T429] RBP: ffffc9000160fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 92.744687][ T429] R10: fffff520002c1f65 R11: 1ffff920002c1f64 R12: dffffc0000000000
[ 92.752667][ T429] R13: ffff88810e642d80 R14: ffffc9000160fc00 R15: 1ffff920002c1f7c
[ 92.760632][ T429] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 92.769582][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 92.776272][ T429] CR2: 00007f2a75e05a28 CR3: 0000000120e48000 CR4: 00000000003506a0
[ 92.784426][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 92.792483][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 92.800469][ T429] Call Trace:
[ 92.803876][ T429]
[ 92.806933][ T429] ? __kasan_check_write+0x14/0x20
[ 92.812067][ T429] ? up_write+0xa1/0x190
[ 92.816307][ T429] ? vfs_submount+0xb0/0xb0
[ 92.820817][ T429] ? change_mnt_propagation+0x8de/0xbc0
[ 92.826359][ T429] namespace_unlock+0x448/0x4f0
[ 92.831247][ T429] ? umount_tree+0xf40/0xf40
[ 92.835943][ T429] ? __detach_mounts+0x670/0x670
[ 92.840888][ T429] ? selinux_umount+0xf3/0x130
[ 92.845657][ T429] ? security_sb_umount+0x9d/0xb0
[ 92.850771][ T429] path_umount+0xe89/0xf40
[ 92.855182][ T429] ? __kasan_slab_free+0x11/0x20
[ 92.860108][ T429] ? user_path_at_empty+0x152/0x1b0
[ 92.865454][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 92.870474][ T429] ? user_path_at_empty+0x152/0x1b0
[ 92.875688][ T429] __x64_sys_umount+0x122/0x170
[ 92.880531][ T429] ? path_umount+0xf40/0xf40
[ 92.885122][ T429] ? debug_smp_processor_id+0x17/0x20
[ 92.890503][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 92.896156][ T429] do_syscall_64+0x2f/0x50
[ 92.900575][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 92.906480][ T429] RIP: 0033:0x7f2a75dbd657
[ 92.910924][ 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
[ 92.930758][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 92.939358][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 92.947540][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 92.955619][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 92.963591][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 92.971567][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 92.979537][ T429]
[ 92.982563][ T429] ---[ end trace 0000000000000000 ]---
[ 92.988207][ T433] ------------[ cut here ]------------
[ 92.993875][ T433] WARNING: CPU: 0 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 93.002946][ T433] Modules linked in:
[ 93.006829][ T433] CPU: 0 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 93.017746][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 93.028263][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 93.034073][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 93.053756][ T433] RSP: 0018:ffffc9000164fba0 EFLAGS: 00010293
[ 93.059953][ T433] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810d2790c0
[ 93.067963][ T433] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 93.076117][ T433] RBP: ffffc9000164fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 93.084091][ T433] R10: fffff520002c9f65 R11: 1ffff920002c9f64 R12: dffffc0000000000
[ 93.092153][ T433] R13: ffff88810e642300 R14: ffffc9000164fc00 R15: 1ffff920002c9f7c
[ 93.100117][ T433] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 93.109219][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.115852][ T433] CR2: 00007f2a75e05a28 CR3: 0000000121060000 CR4: 00000000003506b0
[ 93.123877][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 93.131889][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 93.139846][ T433] Call Trace:
[ 93.143122][ T433]
[ 93.146124][ T433] ? __kasan_check_write+0x14/0x20
[ 93.151253][ T433] ? up_write+0xa1/0x190
[ 93.155484][ T433] ? vfs_submount+0xb0/0xb0
[ 93.159998][ T433] ? change_mnt_propagation+0x8de/0xbc0
[ 93.165562][ T433] namespace_unlock+0x448/0x4f0
[ 93.170464][ T433] ? umount_tree+0xf40/0xf40
[ 93.175247][ T433] ? __detach_mounts+0x670/0x670
[ 93.180187][ T433] ? selinux_umount+0xf3/0x130
[ 93.184953][ T433] ? security_sb_umount+0x9d/0xb0
[ 93.189975][ T433] path_umount+0xe89/0xf40
[ 93.194408][ T433] ? __kasan_slab_free+0x11/0x20
[ 93.199343][ T433] ? user_path_at_empty+0x152/0x1b0
[ 93.204559][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 93.209888][ T433] ? user_path_at_empty+0x152/0x1b0
[ 93.215211][ T433] __x64_sys_umount+0x122/0x170
[ 93.220082][ T433] ? path_umount+0xf40/0xf40
[ 93.224701][ T433] ? debug_smp_processor_id+0x17/0x20
[ 93.230166][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 93.235831][ T433] do_syscall_64+0x2f/0x50
[ 93.240335][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 93.246237][ T433] RIP: 0033:0x7f2a75dbd657
[ 93.250819][ T433] 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
[ 93.270517][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 93.279307][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 93.287442][ T433] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 93.295428][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 93.303432][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 93.311489][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 93.319446][ T433]
[ 93.322478][ T433] ---[ end trace 0000000000000000 ]---
[ 93.328002][ T429] ------------[ cut here ]------------
[ 93.333548][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 93.342591][ T429] Modules linked in:
[ 93.346485][ T429] CPU: 1 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 93.357250][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 93.367436][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 93.373081][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 93.392810][ T429] RSP: 0018:ffffc9000160fca0 EFLAGS: 00010293
[ 93.398861][ T429] RAX: ffffffff81beb524 RBX: 00000000fffffffc RCX: ffff88810dd310c0
[ 93.406958][ T429] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: 0000000000000000
[ 93.414951][ T429] RBP: ffffc9000160fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 93.423286][ T429] R10: fffff520002c1f71 R11: 1ffff920002c1f70 R12: dffffc0000000000
[ 93.431448][ T429] R13: ffff88810e642d80 R14: ffffc9000160fd00 R15: 1ffff920002c1f9c
[ 93.439419][ T429] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 93.448375][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.454951][ T429] CR2: 00007f2a75e05a28 CR3: 0000000120e48000 CR4: 00000000003506a0
[ 93.462916][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 93.471163][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 93.479139][ T429] Call Trace:
[ 93.482549][ T429]
[ 93.485480][ T429] ? lockref_get_or_lock+0x340/0x340
[ 93.490795][ T429] ? umount_tree+0xf40/0xf40
[ 93.495397][ T429] ? vfs_submount+0xb0/0xb0
[ 93.499908][ T429] ? dput+0x2b6/0x320
[ 93.503905][ T429] path_umount+0x1e0/0xf40
[ 93.508329][ T429] ? __kasan_slab_free+0x11/0x20
[ 93.513362][ T429] ? user_path_at_empty+0x152/0x1b0
[ 93.518565][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 93.523736][ T429] ? user_path_at_empty+0x152/0x1b0
[ 93.529064][ T429] __x64_sys_umount+0x122/0x170
[ 93.534224][ T429] ? path_umount+0xf40/0xf40
[ 93.538937][ T429] ? debug_smp_processor_id+0x17/0x20
[ 93.544397][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 93.550203][ T429] do_syscall_64+0x2f/0x50
[ 93.554635][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 93.560599][ T429] RIP: 0033:0x7f2a75dbd657
[ 93.565008][ 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
[ 93.584869][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 93.593333][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 93.601331][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 93.609295][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 93.617266][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 93.625230][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 93.633216][ T429]
[ 93.636280][ T429] ---[ end trace 0000000000000000 ]---
[ 93.641911][ T433] ------------[ cut here ]------------
[ 93.647373][ T433] WARNING: CPU: 0 PID: 433 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 93.656341][ T433] Modules linked in:
[ 93.660222][ T433] CPU: 0 PID: 433 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 93.670815][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 93.680872][ T433] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 93.686495][ T433] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 93.706124][ T433] RSP: 0018:ffffc9000164fca0 EFLAGS: 00010293
[ 93.712195][ T433] RAX: ffffffff81beb524 RBX: 00000000fffffffb RCX: ffff88810d2790c0
[ 93.720340][ T433] RDX: 0000000000000000 RSI: 00000000fffffffb RDI: 0000000000000000
[ 93.728331][ T433] RBP: ffffc9000164fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 93.736350][ T433] R10: fffff520002c9f71 R11: 1ffff920002c9f70 R12: dffffc0000000000
[ 93.744349][ T433] R13: ffff88810e642300 R14: ffffc9000164fd00 R15: 1ffff920002c9f9c
[ 93.752341][ T433] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 93.761275][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.767847][ T433] CR2: 00007f2a75e05a28 CR3: 0000000121060000 CR4: 00000000003506b0
[ 93.775827][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 93.783799][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 93.791788][ T433] Call Trace:
[ 93.795058][ T433]
[ 93.798070][ T433] ? lockref_get_or_lock+0x340/0x340
[ 93.803364][ T433] ? umount_tree+0xf40/0xf40
[ 93.807951][ T433] ? vfs_submount+0xb0/0xb0
[ 93.812542][ T433] ? dput+0x2b6/0x320
[ 93.816513][ T433] path_umount+0x1e0/0xf40
[ 93.820936][ T433] ? __kasan_slab_free+0x11/0x20
[ 93.825859][ T433] ? user_path_at_empty+0x152/0x1b0
[ 93.831058][ T433] ? namespace_unlock+0x4f0/0x4f0
[ 93.836162][ T433] ? user_path_at_empty+0x152/0x1b0
[ 93.841399][ T433] __x64_sys_umount+0x122/0x170
[ 93.846260][ T433] ? path_umount+0xf40/0xf40
[ 93.850860][ T433] ? debug_smp_processor_id+0x17/0x20
[ 93.856225][ T433] ? exit_to_user_mode_prepare+0x3a/0x80
[ 93.861863][ T433] do_syscall_64+0x2f/0x50
[ 93.866358][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 93.872256][ T433] RIP: 0033:0x7f2a75dbd657
[ 93.876860][ T433] 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
[ 93.896653][ T433] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 93.905101][ T433] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 93.913313][ T433] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 93.921414][ T433] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 93.929393][ T433] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 93.937374][ T433] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 93.945734][ T433]
[ 93.948762][ T433] ---[ end trace 0000000000000000 ]---
[ 93.960862][ C1] percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff8881f7386000 pointer offset 4032 size 64
[ 93.977273][ T726] FAULT_INJECTION: forcing a failure.
[ 93.977273][ T726] name failslab, interval 1, probability 0, space 0, times 0
[ 93.990524][ T726] CPU: 1 PID: 726 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 94.003826][ T726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 94.015501][ T726] Call Trace:
[ 94.018894][ T726]
[ 94.021992][ T726] dump_stack_lvl+0x151/0x1b7
[ 94.026835][ T726] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 94.032434][ T726] dump_stack+0x15/0x17
[ 94.036588][ T726] should_fail+0x3c0/0x510
[ 94.041205][ T726] ? pids_css_alloc+0x4e/0x120
[ 94.045967][ T726] __should_failslab+0x9f/0xe0
[ 94.050839][ T726] should_failslab+0x9/0x20
[ 94.055348][ T726] kmem_cache_alloc_trace+0x4a/0x320
[ 94.060620][ T726] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 94.065909][ T726] pids_css_alloc+0x4e/0x120
[ 94.070495][ T726] cgroup_apply_control_enable+0x335/0x10c0
[ 94.076557][ T726] cgroup_apply_control+0x93/0x710
[ 94.081846][ T726] ? css_next_child+0x160/0x160
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 94.086681][ T726] ? wake_bit_function+0x230/0x230
[ 94.091782][ T726] ? kernfs_fop_write_iter+0x15b/0x410
[ 94.097671][ T726] ? __kasan_check_write+0x14/0x20
[ 94.102771][ T726] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 94.108041][ T726] cgroup_subtree_control_write+0xdde/0x1340
[ 94.114008][ T726] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 94.119984][ T726] ? __kasan_check_write+0x14/0x20
[ 94.125077][ T726] ? _copy_from_iter+0x360/0xed0
[ 94.130201][ T726] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 94.136184][ T726] cgroup_file_write+0x28e/0x590
[ 94.141115][ T726] ? cgroup_seqfile_stop+0xc0/0xc0
[ 94.146241][ T726] ? bit_wait_io_timeout+0x110/0x110
[ 94.151640][ T726] ? __kasan_check_write+0x14/0x20
[ 94.156751][ T726] kernfs_fop_write_iter+0x2cd/0x410
[ 94.162134][ T726] ? cgroup_seqfile_stop+0xc0/0xc0
[ 94.167278][ T726] vfs_write+0xbb4/0xf30
[ 94.171516][ T726] ? file_end_write+0x1b0/0x1b0
[ 94.176447][ T726] ? mutex_lock+0xec/0x130
[ 94.180951][ T726] ? bit_wait_io_timeout+0x110/0x110
[ 94.187288][ T726] ? __fdget_pos+0x26d/0x310
[ 94.191926][ T726] ? ksys_write+0x77/0x2c0
[ 94.196398][ T726] ksys_write+0x198/0x2c0
[ 94.200976][ T726] ? __ia32_sys_read+0x90/0x90
[ 94.205786][ T726] ? debug_smp_processor_id+0x17/0x20
[ 94.211177][ T726] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 94.217282][ T726] __x64_sys_write+0x7b/0x90
[ 94.221880][ T726] do_syscall_64+0x2f/0x50
[ 94.226290][ T726] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 94.232171][ T726] RIP: 0033:0x7f2a75dbc249
[ 94.236580][ T726] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 94.256361][ T726] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 94.264767][ T726] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 94.272747][ T726] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 94.280798][ T726] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 94.288962][ T726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 94.296961][ T726] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 94.304949][ T726]
[ 94.311022][ T431] ------------[ cut here ]------------
[ 94.316523][ T431] WARNING: CPU: 1 PID: 431 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 94.325732][ T431] Modules linked in:
[ 94.329618][ T431] CPU: 1 PID: 431 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 94.340214][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 94.350360][ T431] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 94.356003][ T431] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 94.375916][ T431] RSP: 0018:ffffc9000162fca0 EFLAGS: 00010293
[ 94.382166][ T431] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd00000
[ 94.390142][ T431] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 94.398137][ T431] RBP: ffffc9000162fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 94.406214][ T431] R10: fffff520002c5f85 R11: 1ffff920002c5f84 R12: dffffc0000000000
[ 94.414324][ T431] R13: ffff88810e642a80 R14: ffffc9000162fd00 R15: 1ffff920002c5f9c
[ 94.422490][ T431] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 94.431888][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.438745][ T431] CR2: 00007f2a75e1b942 CR3: 00000001210f6000 CR4: 00000000003506a0
[ 94.446747][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 94.454744][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 94.462833][ T431] Call Trace:
[ 94.466119][ T431]
[ 94.469039][ T431] ? lockref_get_or_lock+0x340/0x340
[ 94.474607][ T431] ? umount_tree+0xf40/0xf40
[ 94.479232][ T431] ? vfs_submount+0xb0/0xb0
[ 94.483774][ T431] ? dput+0x2b6/0x320
[ 94.487970][ T431] path_umount+0x1e0/0xf40
[ 94.492744][ T431] ? __kasan_slab_free+0x11/0x20
[ 94.497971][ T431] ? user_path_at_empty+0x152/0x1b0
[ 94.503218][ T431] ? namespace_unlock+0x4f0/0x4f0
[ 94.508330][ T431] ? user_path_at_empty+0x152/0x1b0
[ 94.513586][ T431] __x64_sys_umount+0x122/0x170
[ 94.518439][ T431] ? path_umount+0xf40/0xf40
[ 94.523491][ T431] ? debug_smp_processor_id+0x17/0x20
[ 94.528949][ T431] ? exit_to_user_mode_prepare+0x3a/0x80
[ 94.535035][ T431] do_syscall_64+0x2f/0x50
[ 94.539481][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 94.545463][ T431] RIP: 0033:0x7f2a75dbd657
[ 94.550145][ 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
[ 94.575854][ T431] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 94.584294][ T431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 94.592553][ T431] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 94.600621][ T431] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 94.608703][ T431] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 94.616860][ T431] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 94.624853][ T431]
[ 94.627883][ T431] ---[ end trace 0000000000000000 ]---
[ 94.633478][ T431] ------------[ cut here ]------------
[ 94.639139][ T431] WARNING: CPU: 1 PID: 431 at fs/namespace.c:1177 cleanup_mnt+0x4c5/0x510
[ 94.648124][ T431] Modules linked in:
[ 94.652133][ C1] percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff888120608400 pointer offset 0 size 64
[ 94.668276][ T771] FAULT_INJECTION: forcing a failure.
[ 94.668276][ T771] name failslab, interval 1, probability 0, space 0, times 0
[ 94.668390][ T431] CPU: 1 PID: 431 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 94.681674][ T771] CPU: 0 PID: 771 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 94.691571][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 94.702173][ T771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 94.702183][ T771] Call Trace:
[ 94.702189][ T771]
[ 94.702195][ T771] dump_stack_lvl+0x151/0x1b7
[ 94.702219][ T771] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 94.702238][ T771] ? selinux_kernfs_init_security+0x1a8/0x760
[ 94.702258][ T771] dump_stack+0x15/0x17
[ 94.712518][ T431] RIP: 0010:cleanup_mnt+0x4c5/0x510
[ 94.722625][ T771] should_fail+0x3c0/0x510
[ 94.722647][ T771] ? __kernfs_new_node+0x99/0x6e0
[ 94.725909][ T431] Code: 7a 9c ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ee 95 b0 ff 48 8b 7d d0 e8 b5 ff 04 00 e9 21 fd ff ff e8 db 95 b0 ff <0f> 0b e9 e5 fc ff ff 48 c7 c1 98 a2 80 86 80 e1 07 80 c1 03 38 c1
[ 94.728831][ T771] __should_failslab+0x9f/0xe0
[ 94.733493][ T431] RSP: 0018:ffffc9000162fe18 EFLAGS: 00010293
[ 94.738917][ T771] should_failslab+0x9/0x20
[ 94.745316][ T431]
[ 94.749093][ T771] __kmalloc_track_caller+0x6c/0x340
[ 94.754286][ T431] RAX: ffffffff81bff685 RBX: ffffe8ffffd0fdec RCX: ffff88810cd00000
[ 94.758663][ T771] kstrdup_const+0x55/0x90
[ 94.763675][ T431] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 94.783420][ T771] __kernfs_new_node+0x99/0x6e0
[ 94.783442][ T771] ? stack_trace_save+0x1f0/0x1f0
[ 94.788218][ T431] RBP: ffffc9000162fe68 R08: ffffffff81bff363 R09: 0000000000000003
[ 94.794262][ T771] ? kernfs_new_node+0x170/0x170
[ 94.794282][ T771] ? ptr_to_hashval+0x60/0x60
[ 94.798756][ T431] R10: fffff520002c5fc1 R11: 1ffff920002c5fc0 R12: ffff88810e642ad0
[ 94.801065][ T771] ? arch_stack_walk+0xf8/0x140
[ 94.801084][ T771] ? snprintf+0xd6/0x120
[ 94.801096][ T771] kernfs_new_node+0x97/0x170
[ 94.801111][ T771] __kernfs_create_file+0x4a/0x270
[ 94.806396][ T431] R13: 0000000000000008 R14: dffffc0000000000 R15: 00000000ffffffff
[ 94.814424][ T771] cgroup_addrm_files+0xab8/0xfe0
[ 94.814444][ T771] ? ____kasan_kmalloc+0xdc/0x110
[ 94.819753][ T431] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 94.827792][ T771] ? __kasan_kmalloc+0x9/0x10
[ 94.827808][ T771] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 94.832644][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.837632][ T771] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 94.845691][ T431] CR2: 00007f2a75e1b942 CR3: 00000001210f6000 CR4: 00000000003506a0
[ 94.850591][ T771] ? delete_node+0x759/0x7b0
[ 94.944723][ T771] ? __kasan_check_read+0x11/0x20
[ 94.949744][ T771] ? delete_node+0x759/0x7b0
[ 94.954322][ T771] ? __kasan_check_write+0x14/0x20
[ 94.959510][ T771] ? idr_replace+0x1c4/0x230
[ 94.964091][ T771] ? idr_get_next+0x4b0/0x4b0
[ 94.968756][ T771] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 94.973768][ T771] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 94.978956][ T771] css_populate_dir+0x137/0x370
[ 94.983896][ T771] cgroup_apply_control_enable+0x889/0x10c0
[ 94.989775][ T771] cgroup_apply_control+0x93/0x710
[ 94.995573][ T771] ? css_next_child+0x160/0x160
[ 95.000412][ T771] ? wake_bit_function+0x230/0x230
[ 95.005774][ T771] ? kernfs_fop_write_iter+0x15b/0x410
[ 95.011255][ T771] ? __kasan_check_write+0x14/0x20
[ 95.016446][ T771] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 95.021718][ T771] cgroup_subtree_control_write+0xdde/0x1340
[ 95.027700][ T771] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 95.033672][ T771] ? __kasan_check_write+0x14/0x20
[ 95.038884][ T771] ? _copy_from_iter+0x360/0xed0
[ 95.043810][ T771] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 95.049776][ T771] cgroup_file_write+0x28e/0x590
[ 95.054786][ T771] ? cgroup_seqfile_stop+0xc0/0xc0
[ 95.061708][ T771] ? bit_wait_io_timeout+0x110/0x110
[ 95.066982][ T771] ? __kasan_check_write+0x14/0x20
[ 95.072094][ T771] kernfs_fop_write_iter+0x2cd/0x410
[ 95.077455][ T771] ? cgroup_seqfile_stop+0xc0/0xc0
[ 95.082726][ T771] vfs_write+0xbb4/0xf30
[ 95.086956][ T771] ? file_end_write+0x1b0/0x1b0
[ 95.091791][ T771] ? mutex_lock+0xec/0x130
[ 95.096339][ T771] ? bit_wait_io_timeout+0x110/0x110
[ 95.101615][ T771] ? __fdget_pos+0x26d/0x310
[ 95.107061][ T771] ? ksys_write+0x77/0x2c0
[ 95.111463][ T771] ksys_write+0x198/0x2c0
[ 95.115817][ T771] ? __ia32_sys_read+0x90/0x90
[ 95.120568][ T771] ? debug_smp_processor_id+0x17/0x20
[ 95.125929][ T771] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 95.131984][ T771] __x64_sys_write+0x7b/0x90
[ 95.136563][ T771] do_syscall_64+0x2f/0x50
[ 95.141059][ T771] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 95.147982][ T771] RIP: 0033:0x7f2a75dbc249
[ 95.153255][ T771] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 95.172935][ T771] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 95.181346][ T771] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 95.189308][ T771] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 95.197383][ T771] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 95.206312][ T771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 95.214376][ T771] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 95.224016][ T771]
[ 95.227357][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 95.235534][ T771] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 95.235684][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 95.250708][ T431] Call Trace:
[ 95.254111][ T431]
[ 95.257051][ T431] __cleanup_mnt+0x19/0x20
[ 95.261821][ T431] task_work_run+0x147/0x1b0
[ 95.266539][ T431] exit_to_user_mode_loop+0x8b/0xd0
[ 95.271949][ T431] exit_to_user_mode_prepare+0x59/0x80
[ 95.272365][ T759] FAULT_INJECTION: forcing a failure.
[ 95.272365][ T759] name failslab, interval 1, probability 0, space 0, times 0
[ 95.277620][ T431] syscall_exit_to_user_mode+0x24/0x40
[ 95.290367][ T759] CPU: 0 PID: 759 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 95.296064][ T431] do_syscall_64+0x3b/0x50
[ 95.306331][ T759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 95.306347][ T759] Call Trace:
[ 95.306353][ T759]
[ 95.306359][ T759] dump_stack_lvl+0x151/0x1b7
[ 95.306379][ T759] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 95.306397][ T759] dump_stack+0x15/0x17
[ 95.311033][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 95.320933][ T759] should_fail+0x3c0/0x510
[ 95.320969][ T759] ? pids_css_alloc+0x4e/0x120
[ 95.320992][ T759] __should_failslab+0x9f/0xe0
[ 95.321008][ T759] should_failslab+0x9/0x20
[ 95.324809][ T431] RIP: 0033:0x7f2a75dbd657
[ 95.327203][ T759] kmem_cache_alloc_trace+0x4a/0x320
[ 95.327225][ T759] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 95.332092][ 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
[ 95.337417][ T759] pids_css_alloc+0x4e/0x120
[ 95.337440][ T759] cgroup_apply_control_enable+0x335/0x10c0
[ 95.341645][ T431] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 95.347632][ T759] cgroup_apply_control+0x93/0x710
[ 95.347652][ T759] ? css_next_child+0x160/0x160
[ 95.352115][ T431] ORIG_RAX: 00000000000000a6
[ 95.356794][ T759] ? wake_bit_function+0x230/0x230
[ 95.356815][ T759] ? kernfs_fop_write_iter+0x15b/0x410
[ 95.361626][ T431] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 95.366131][ T759] ? __kasan_check_write+0x14/0x20
[ 95.366153][ T759] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 95.370685][ T431] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 95.375911][ T759] cgroup_subtree_control_write+0xdde/0x1340
[ 95.375935][ T759] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 95.381227][ T431] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 95.400757][ T759] ? __kasan_check_write+0x14/0x20
[ 95.400780][ T759] ? _copy_from_iter+0x360/0xed0
[ 95.400798][ T759] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 95.405428][ T431] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 95.411410][ T759] cgroup_file_write+0x28e/0x590
[ 95.411432][ T759] ? cgroup_seqfile_stop+0xc0/0xc0
[ 95.411447][ T759] ? bit_wait_io_timeout+0x110/0x110
[ 95.417730][ T431] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 95.422774][ T759] ? __kasan_check_write+0x14/0x20
[ 95.422794][ T759] kernfs_fop_write_iter+0x2cd/0x410
[ 95.422810][ T759] ? cgroup_seqfile_stop+0xc0/0xc0
[ 95.427693][ T431]
[ 95.432293][ T759] vfs_write+0xbb4/0xf30
[ 95.432315][ T759] ? file_end_write+0x1b0/0x1b0
[ 95.432331][ T759] ? mutex_lock+0xec/0x130
[ 95.437466][ T431] ---[ end trace 0000000000000000 ]---
[ 95.443023][ T759] ? bit_wait_io_timeout+0x110/0x110
[ 95.443044][ T759] ? __fdget_pos+0x26d/0x310
[ 95.443059][ T759] ? ksys_write+0x77/0x2c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 95.443073][ T759] ksys_write+0x198/0x2c0
[ 95.599306][ T759] ? __ia32_sys_read+0x90/0x90
[ 95.604093][ T759] ? debug_smp_processor_id+0x17/0x20
[ 95.609452][ T759] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 95.615611][ T759] __x64_sys_write+0x7b/0x90
[ 95.620284][ T759] do_syscall_64+0x2f/0x50
[ 95.624790][ T759] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 95.630763][ T759] RIP: 0033:0x7f2a75dbc249
[ 95.635166][ T759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 95.654769][ T759] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 95.663172][ T759] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 95.671131][ T759] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 95.679286][ T759] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 95.687343][ T759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 95.695326][ T759] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 95.703326][ T759]
[ 95.761464][ T768] FAULT_INJECTION: forcing a failure.
[ 95.761464][ T768] name failslab, interval 1, probability 0, space 0, times 0
[ 95.774343][ T768] CPU: 1 PID: 768 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 95.785028][ T768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 95.795281][ T768] Call Trace:
[ 95.798547][ T768]
[ 95.801565][ T768] dump_stack_lvl+0x151/0x1b7
[ 95.806399][ T768] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 95.811839][ T768] dump_stack+0x15/0x17
[ 95.816375][ T768] should_fail+0x3c0/0x510
[ 95.820802][ T768] ? pids_css_alloc+0x4e/0x120
[ 95.825735][ T768] __should_failslab+0x9f/0xe0
[ 95.830507][ T768] should_failslab+0x9/0x20
[ 95.835798][ T768] kmem_cache_alloc_trace+0x4a/0x320
[ 95.841296][ T768] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 95.846499][ T768] pids_css_alloc+0x4e/0x120
[ 95.851082][ T768] cgroup_apply_control_enable+0x335/0x10c0
[ 95.856989][ T768] cgroup_apply_control+0x93/0x710
[ 95.862265][ T768] ? css_next_child+0x160/0x160
[ 95.867283][ T768] ? wake_bit_function+0x230/0x230
[ 95.873387][ T768] ? kernfs_fop_write_iter+0x15b/0x410
[ 95.878852][ T768] ? __kasan_check_write+0x14/0x20
[ 95.884128][ T768] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 95.889424][ T768] cgroup_subtree_control_write+0xdde/0x1340
[ 95.896290][ T768] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 95.902443][ T768] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 95.907722][ T768] ? _copy_from_iter+0x360/0xed0
[ 95.914050][ T768] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 95.920102][ T768] cgroup_file_write+0x28e/0x590
[ 95.925116][ T768] ? cgroup_seqfile_stop+0xc0/0xc0
[ 95.930342][ T768] ? bit_wait_io_timeout+0x110/0x110
[ 95.935808][ T768] ? __kasan_check_write+0x14/0x20
[ 95.940998][ T768] kernfs_fop_write_iter+0x2cd/0x410
[ 95.946272][ T768] ? cgroup_seqfile_stop+0xc0/0xc0
[ 95.951485][ T768] vfs_write+0xbb4/0xf30
[ 95.956059][ T768] ? file_end_write+0x1b0/0x1b0
[ 95.960980][ T768] ? mutex_lock+0xb6/0x130
[ 95.965386][ T768] ? bit_wait_io_timeout+0x110/0x110
[ 95.970772][ T768] ? __fdget_pos+0x26d/0x310
[ 95.975368][ T768] ? ksys_write+0x77/0x2c0
[ 95.979953][ T768] ksys_write+0x198/0x2c0
[ 95.984333][ T768] ? __ia32_sys_read+0x90/0x90
[ 95.989230][ T768] ? debug_smp_processor_id+0x17/0x20
[ 95.995128][ T768] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 96.001185][ T768] __x64_sys_write+0x7b/0x90
[ 96.005763][ T768] do_syscall_64+0x2f/0x50
[ 96.010182][ T768] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 96.016056][ T768] RIP: 0033:0x7f2a75dbc249
[ 96.020630][ T768] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 96.042144][ T768] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 96.050642][ T768] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 96.058723][ T768] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 96.067482][ T768] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 96.075796][ T768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 96.083956][ T768] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 96.092901][ T768]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 96.141381][ T775] FAULT_INJECTION: forcing a failure.
[ 96.141381][ T775] name failslab, interval 1, probability 0, space 0, times 0
[ 96.154273][ T775] CPU: 1 PID: 775 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 96.165272][ T775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 96.175326][ T775] Call Trace:
[ 96.178600][ T775]
[ 96.181526][ T775] dump_stack_lvl+0x151/0x1b7
[ 96.186327][ T775] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 96.191774][ T775] ? selinux_kernfs_init_security+0x1a8/0x760
[ 96.197843][ T775] dump_stack+0x15/0x17
[ 96.201995][ T775] should_fail+0x3c0/0x510
[ 96.206406][ T775] ? __kernfs_new_node+0x99/0x6e0
[ 96.211522][ T775] __should_failslab+0x9f/0xe0
[ 96.216295][ T775] should_failslab+0x9/0x20
[ 96.220787][ T775] __kmalloc_track_caller+0x6c/0x340
[ 96.226197][ T775] kstrdup_const+0x55/0x90
[ 96.230789][ T775] __kernfs_new_node+0x99/0x6e0
[ 96.235658][ T775] ? stack_trace_save+0x1f0/0x1f0
[ 96.240701][ T775] ? kernfs_new_node+0x170/0x170
[ 96.245636][ T775] ? ptr_to_hashval+0x60/0x60
[ 96.250322][ T775] ? arch_stack_walk+0xf8/0x140
[ 96.255249][ T775] ? snprintf+0xd6/0x120
[ 96.259909][ T775] kernfs_new_node+0x97/0x170
[ 96.264609][ T775] __kernfs_create_file+0x4a/0x270
[ 96.269707][ T775] cgroup_addrm_files+0xab8/0xfe0
[ 96.274805][ T775] ? ____kasan_kmalloc+0xdc/0x110
[ 96.279829][ T775] ? __kasan_kmalloc+0x9/0x10
[ 96.284847][ T775] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 96.290576][ T775] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 96.296924][ T775] ? delete_node+0x759/0x7b0
[ 96.301521][ T775] ? __kasan_check_read+0x11/0x20
[ 96.306628][ T775] ? delete_node+0x759/0x7b0
[ 96.311227][ T775] ? __kasan_check_write+0x14/0x20
[ 96.316326][ T775] ? idr_replace+0x1c4/0x230
[ 96.320994][ T775] ? idr_get_next+0x4b0/0x4b0
[ 96.325743][ T775] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 96.330758][ T775] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 96.335958][ T775] css_populate_dir+0x137/0x370
[ 96.340792][ T775] cgroup_apply_control_enable+0x889/0x10c0
[ 96.346689][ T775] cgroup_apply_control+0x93/0x710
[ 96.351920][ T775] ? css_next_child+0x160/0x160
[ 96.356843][ T775] ? wake_bit_function+0x230/0x230
[ 96.361937][ T775] ? kernfs_fop_write_iter+0x15b/0x410
[ 96.367470][ T775] ? __kasan_check_write+0x14/0x20
[ 96.372565][ T775] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 96.377869][ T775] cgroup_subtree_control_write+0xdde/0x1340
[ 96.383839][ T775] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 96.389820][ T775] ? __kasan_check_write+0x14/0x20
[ 96.394918][ T775] ? _copy_from_iter+0x360/0xed0
[ 96.399982][ T775] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 96.406040][ T775] cgroup_file_write+0x28e/0x590
[ 96.410969][ T775] ? cgroup_seqfile_stop+0xc0/0xc0
[ 96.416162][ T775] ? bit_wait_io_timeout+0x110/0x110
[ 96.421575][ T775] ? __kasan_check_write+0x14/0x20
[ 96.426839][ T775] kernfs_fop_write_iter+0x2cd/0x410
[ 96.432367][ T775] ? cgroup_seqfile_stop+0xc0/0xc0
[ 96.437602][ T775] vfs_write+0xbb4/0xf30
[ 96.442006][ T775] ? file_end_write+0x1b0/0x1b0
[ 96.446923][ T775] ? mutex_lock+0xec/0x130
[ 96.451341][ T775] ? bit_wait_io_timeout+0x110/0x110
[ 96.456722][ T775] ? __fdget_pos+0x26d/0x310
[ 96.461589][ T775] ? ksys_write+0x77/0x2c0
[ 96.466180][ T775] ksys_write+0x198/0x2c0
[ 96.470588][ T775] ? __ia32_sys_read+0x90/0x90
[ 96.475374][ T775] ? debug_smp_processor_id+0x17/0x20
[ 96.480921][ T775] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 96.486986][ T775] __x64_sys_write+0x7b/0x90
[ 96.491579][ T775] do_syscall_64+0x2f/0x50
[ 96.496000][ T775] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 96.501899][ T775] RIP: 0033:0x7f2a75dbc249
[ 96.506500][ T775] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 96.526358][ T775] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 96.534850][ T775] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 96.542823][ T775] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 96.550979][ T775] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 96.559090][ T775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 96.567153][ T775] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 96.575123][ T775]
[ 96.579038][ T775] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 96.621267][ T758] FAULT_INJECTION: forcing a failure.
[ 96.621267][ T758] name failslab, interval 1, probability 0, space 0, times 0
[ 96.634000][ T758] CPU: 1 PID: 758 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 96.644695][ T758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 96.654825][ T758] Call Trace:
[ 96.658126][ T758]
[ 96.661046][ T758] dump_stack_lvl+0x151/0x1b7
[ 96.665733][ T758] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 96.671180][ T758] ? pcpu_alloc+0xe83/0x1420
[ 96.675765][ T758] dump_stack+0x15/0x17
[ 96.679913][ T758] should_fail+0x3c0/0x510
[ 96.684317][ T758] ? percpu_ref_init+0xc9/0x350
[ 96.689159][ T758] __should_failslab+0x9f/0xe0
[ 96.694004][ T758] should_failslab+0x9/0x20
[ 96.698495][ T758] kmem_cache_alloc_trace+0x4a/0x320
[ 96.703769][ T758] ? cgroup_setup_root+0xec0/0xec0
[ 96.708898][ T758] percpu_ref_init+0xc9/0x350
[ 96.713657][ T758] ? cgroup_setup_root+0xec0/0xec0
[ 96.719084][ T758] cgroup_apply_control_enable+0x383/0x10c0
[ 96.725172][ T758] cgroup_apply_control+0x93/0x710
[ 96.730479][ T758] ? css_next_child+0x160/0x160
[ 96.735586][ T758] ? wake_bit_function+0x230/0x230
[ 96.741248][ T758] ? kernfs_fop_write_iter+0x15b/0x410
[ 96.746816][ T758] ? __kasan_check_write+0x14/0x20
[ 96.752033][ T758] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 96.757423][ T758] cgroup_subtree_control_write+0xdde/0x1340
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 96.763398][ T758] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 96.773114][ T758] ? __kasan_check_write+0x14/0x20
[ 96.778495][ T758] ? _copy_from_iter+0x360/0xed0
[ 96.783682][ T758] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 96.790124][ T758] cgroup_file_write+0x28e/0x590
[ 96.795077][ T758] ? cgroup_seqfile_stop+0xc0/0xc0
[ 96.800508][ T758] ? bit_wait_io_timeout+0x110/0x110
[ 96.805879][ T758] ? __kasan_check_write+0x14/0x20
[ 96.811048][ T758] kernfs_fop_write_iter+0x2cd/0x410
[ 96.816319][ T758] ? cgroup_seqfile_stop+0xc0/0xc0
[ 96.821421][ T758] vfs_write+0xbb4/0xf30
[ 96.825752][ T758] ? file_end_write+0x1b0/0x1b0
[ 96.830786][ T758] ? mutex_lock+0xec/0x130
[ 96.835235][ T758] ? bit_wait_io_timeout+0x110/0x110
[ 96.840523][ T758] ? __fdget_pos+0x26d/0x310
[ 96.845121][ T758] ? ksys_write+0x77/0x2c0
[ 96.849526][ T758] ksys_write+0x198/0x2c0
[ 96.853861][ T758] ? __ia32_sys_read+0x90/0x90
[ 96.858615][ T758] ? debug_smp_processor_id+0x17/0x20
[ 96.864140][ T758] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 96.870715][ T758] __x64_sys_write+0x7b/0x90
[ 96.875307][ T758] do_syscall_64+0x2f/0x50
[ 96.879710][ T758] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 96.885590][ T758] RIP: 0033:0x7f2a75dbc249
[ 96.889990][ T758] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 96.909840][ T758] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 96.918453][ T758] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 96.926709][ T758] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 96.934676][ T758] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 96.942645][ T758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 96.950600][ T758] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 96.958651][ T758]
[ 96.965108][ T430] ------------[ cut here ]------------
[ 96.970622][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 96.979655][ T430] Modules linked in:
[ 96.983601][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 96.994452][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 97.004535][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 97.010166][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 97.029794][ T430] RSP: 0018:ffffc9000161fba0 EFLAGS: 00010293
[ 97.035897][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 97.044014][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 97.052123][ T430] RBP: ffffc9000161fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 97.060117][ T430] R10: fffff520002c3f65 R11: 1ffff920002c3f64 R12: dffffc0000000000
[ 97.068134][ T430] R13: ffff88810e643b00 R14: ffffc9000161fc00 R15: 1ffff920002c3f7c
[ 97.076218][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 97.085251][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 97.091980][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 97.100099][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 97.108112][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 97.116114][ T430] Call Trace:
[ 97.119396][ T430]
[ 97.122448][ T430] ? __kasan_check_write+0x14/0x20
[ 97.127557][ T430] ? up_write+0xa1/0x190
[ 97.131831][ T430] ? vfs_submount+0xb0/0xb0
[ 97.136355][ T430] ? change_mnt_propagation+0x8de/0xbc0
[ 97.141948][ T430] namespace_unlock+0x448/0x4f0
[ 97.146911][ T430] ? umount_tree+0xf40/0xf40
[ 97.151804][ T430] ? __detach_mounts+0x670/0x670
[ 97.157046][ T430] ? selinux_umount+0xf3/0x130
[ 97.161943][ T430] ? security_sb_umount+0x9d/0xb0
[ 97.167100][ T430] path_umount+0xe89/0xf40
[ 97.171781][ T430] ? __kasan_slab_free+0x11/0x20
[ 97.176743][ T430] ? user_path_at_empty+0x152/0x1b0
[ 97.181984][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 97.187030][ T430] ? user_path_at_empty+0x152/0x1b0
[ 97.192319][ T430] __x64_sys_umount+0x122/0x170
[ 97.197635][ T430] ? path_umount+0xf40/0xf40
[ 97.202432][ T430] ? debug_smp_processor_id+0x17/0x20
[ 97.207816][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 97.213854][ T430] do_syscall_64+0x2f/0x50
[ 97.218389][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 97.224325][ T430] RIP: 0033:0x7f2a75dbd657
[ 97.229098][ 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
[ 97.248737][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 97.257194][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 97.265288][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 97.273294][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 97.281868][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 97.289849][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 97.298141][ T430]
[ 97.301175][ T430] ---[ end trace 0000000000000000 ]---
[ 97.306827][ T430] ------------[ cut here ]------------
[ 97.312498][ T430] WARNING: CPU: 1 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 97.321450][ T430] Modules linked in:
[ 97.325567][ T430] CPU: 1 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 97.336178][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 97.346512][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 97.352180][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 97.372168][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 97.378247][ T430] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd14300
[ 97.386249][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 97.394287][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 97.402297][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 97.410304][ T430] R13: ffff88810e643b00 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 97.418333][ T430] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 97.427300][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 97.433995][ T430] CR2: 0000561da0256028 CR3: 0000000120e32000 CR4: 00000000003506a0
[ 97.441992][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 97.449957][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 97.457949][ T430] Call Trace:
[ 97.461441][ T430]
[ 97.464363][ T430] ? lockref_get_or_lock+0x340/0x340
[ 97.469747][ T430] ? umount_tree+0xf40/0xf40
[ 97.474514][ T430] ? vfs_submount+0xb0/0xb0
[ 97.479046][ T430] ? dput+0x2b6/0x320
[ 97.483065][ T430] path_umount+0x1e0/0xf40
[ 97.487507][ T430] ? __kasan_slab_free+0x11/0x20
[ 97.492562][ T430] ? user_path_at_empty+0x152/0x1b0
[ 97.497795][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 97.502955][ T430] ? user_path_at_empty+0x152/0x1b0
[ 97.508165][ T430] __x64_sys_umount+0x122/0x170
[ 97.513050][ T430] ? path_umount+0xf40/0xf40
[ 97.517647][ T430] ? debug_smp_processor_id+0x17/0x20
[ 97.523056][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 97.528715][ T430] do_syscall_64+0x2f/0x50
[ 97.533170][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 97.539068][ T430] RIP: 0033:0x7f2a75dbd657
[ 97.543667][ 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
[ 97.563673][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 97.572335][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 97.580337][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 97.588432][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 97.596526][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 97.604533][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 97.612525][ T430]
[ 97.615540][ T430] ---[ end trace 0000000000000000 ]---
[ 97.621448][ T790] FAULT_INJECTION: forcing a failure.
[ 97.621448][ T790] name failslab, interval 1, probability 0, space 0, times 0
[ 97.634683][ T790] CPU: 1 PID: 790 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 97.645508][ T790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 97.655845][ T790] Call Trace:
[ 97.659154][ T790]
[ 97.662074][ T790] dump_stack_lvl+0x151/0x1b7
[ 97.667052][ T790] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 97.672546][ T790] ? selinux_kernfs_init_security+0x1a8/0x760
[ 97.678693][ T790] dump_stack+0x15/0x17
[ 97.682840][ T790] should_fail+0x3c0/0x510
[ 97.687455][ T790] __should_failslab+0x9f/0xe0
[ 97.692214][ T790] should_failslab+0x9/0x20
[ 97.696702][ T790] kmem_cache_alloc+0x4f/0x300
[ 97.701451][ T790] ? __kernfs_new_node+0xdb/0x6e0
[ 97.706546][ T790] __kernfs_new_node+0xdb/0x6e0
[ 97.711483][ T790] ? stack_trace_save+0x1f0/0x1f0
[ 97.716580][ T790] ? kernfs_new_node+0x170/0x170
[ 97.721606][ T790] ? ptr_to_hashval+0x60/0x60
[ 97.726373][ T790] ? up_read+0x1b0/0x1b0
[ 97.730599][ T790] ? snprintf+0xd6/0x120
[ 97.734825][ T790] kernfs_new_node+0x97/0x170
[ 97.739883][ T790] __kernfs_create_file+0x4a/0x270
[ 97.745341][ T790] cgroup_addrm_files+0xab8/0xfe0
[ 97.750364][ T790] ? ____kasan_kmalloc+0xdc/0x110
[ 97.755393][ T790] ? __kasan_kmalloc+0x9/0x10
[ 97.760071][ T790] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 97.765795][ T790] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 97.771941][ T790] ? delete_node+0x759/0x7b0
[ 97.776711][ T790] ? __kasan_check_read+0x11/0x20
[ 97.781757][ T790] ? idr_replace+0x1c4/0x230
[ 97.786432][ T790] ? idr_get_next+0x4b0/0x4b0
[ 97.791106][ T790] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 97.796246][ T790] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 97.801671][ T790] css_populate_dir+0x137/0x370
[ 97.806717][ T790] cgroup_apply_control_enable+0x889/0x10c0
[ 97.813273][ T790] cgroup_apply_control+0x93/0x710
[ 97.818556][ T790] ? css_next_child+0x160/0x160
[ 97.823414][ T790] ? wake_bit_function+0x230/0x230
[ 97.828528][ T790] ? kernfs_fop_write_iter+0x15b/0x410
[ 97.833971][ T790] ? __kasan_check_write+0x14/0x20
[ 97.839077][ T790] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 97.844466][ T790] cgroup_subtree_control_write+0xdde/0x1340
[ 97.850531][ T790] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 97.856600][ T790] ? __kasan_check_write+0x14/0x20
[ 97.862067][ T790] ? _copy_from_iter+0x360/0xed0
[ 97.867270][ T790] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 97.873248][ T790] cgroup_file_write+0x28e/0x590
[ 97.878437][ T790] ? cgroup_seqfile_stop+0xc0/0xc0
[ 97.883538][ T790] ? bit_wait_io_timeout+0x110/0x110
[ 97.888809][ T790] ? __kasan_check_write+0x14/0x20
[ 97.893915][ T790] kernfs_fop_write_iter+0x2cd/0x410
[ 97.899195][ T790] ? cgroup_seqfile_stop+0xc0/0xc0
[ 97.904346][ T790] vfs_write+0xbb4/0xf30
[ 97.908680][ T790] ? file_end_write+0x1b0/0x1b0
[ 97.913615][ T790] ? mutex_lock+0xec/0x130
[ 97.918127][ T790] ? bit_wait_io_timeout+0x110/0x110
[ 97.923399][ T790] ? __fdget_pos+0x26d/0x310
[ 97.927978][ T790] ? ksys_write+0x77/0x2c0
[ 97.932396][ T790] ksys_write+0x198/0x2c0
[ 97.936726][ T790] ? __ia32_sys_read+0x90/0x90
[ 97.941479][ T790] ? debug_smp_processor_id+0x17/0x20
[ 97.946919][ T790] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 97.953314][ T790] __x64_sys_write+0x7b/0x90
[ 97.957915][ T790] do_syscall_64+0x2f/0x50
[ 97.962502][ T790] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 97.968582][ T790] RIP: 0033:0x7f2a75dbc249
[ 97.972991][ T790] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 97.993746][ T790] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 98.002156][ T790] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 98.010758][ T790] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 98.018727][ T790] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 98.026788][ T790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 98.034977][ T790] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 98.042948][ T790]
[ 98.046984][ T790] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 98.091498][ T778] FAULT_INJECTION: forcing a failure.
[ 98.091498][ T778] name failslab, interval 1, probability 0, space 0, times 0
[ 98.104447][ T778] CPU: 1 PID: 778 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 98.115295][ T778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 98.125430][ T778] Call Trace:
[ 98.128706][ T778]
[ 98.131619][ T778] dump_stack_lvl+0x151/0x1b7
[ 98.136285][ T778] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 98.141720][ T778] ? selinux_kernfs_init_security+0x1a8/0x760
[ 98.147951][ T778] dump_stack+0x15/0x17
[ 98.152103][ T778] should_fail+0x3c0/0x510
[ 98.156685][ T778] ? __kernfs_new_node+0x99/0x6e0
[ 98.161787][ T778] __should_failslab+0x9f/0xe0
[ 98.166536][ T778] should_failslab+0x9/0x20
[ 98.171115][ T778] __kmalloc_track_caller+0x6c/0x340
[ 98.176397][ T778] kstrdup_const+0x55/0x90
[ 98.180817][ T778] __kernfs_new_node+0x99/0x6e0
[ 98.186213][ T778] ? stack_trace_save+0x1f0/0x1f0
[ 98.191412][ T778] ? kernfs_new_node+0x170/0x170
[ 98.196340][ T778] ? ptr_to_hashval+0x60/0x60
[ 98.201027][ T778] ? arch_stack_walk+0xf8/0x140
[ 98.205996][ T778] ? snprintf+0xd6/0x120
[ 98.210233][ T778] kernfs_new_node+0x97/0x170
[ 98.216992][ T778] __kernfs_create_file+0x4a/0x270
[ 98.222100][ T778] cgroup_addrm_files+0xab8/0xfe0
[ 98.227110][ T778] ? ____kasan_kmalloc+0xdc/0x110
[ 98.232123][ T778] ? __kasan_kmalloc+0x9/0x10
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 98.236890][ T778] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 98.243573][ T778] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 98.249712][ T778] ? delete_node+0x759/0x7b0
[ 98.254285][ T778] ? __kasan_check_read+0x11/0x20
[ 98.259295][ T778] ? delete_node+0x759/0x7b0
[ 98.264056][ T778] ? __kasan_check_write+0x14/0x20
[ 98.269148][ T778] ? idr_replace+0x1c4/0x230
[ 98.273825][ T778] ? idr_get_next+0x4b0/0x4b0
[ 98.278505][ T778] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 98.283523][ T778] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 98.288789][ T778] css_populate_dir+0x137/0x370
[ 98.294321][ T778] cgroup_apply_control_enable+0x889/0x10c0
[ 98.300196][ T778] cgroup_apply_control+0x93/0x710
[ 98.305288][ T778] ? css_next_child+0x160/0x160
[ 98.310112][ T778] ? wake_bit_function+0x230/0x230
[ 98.315203][ T778] ? kernfs_fop_write_iter+0x15b/0x410
[ 98.320636][ T778] ? __kasan_check_write+0x14/0x20
[ 98.325727][ T778] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 98.330990][ T778] cgroup_subtree_control_write+0xdde/0x1340
[ 98.336966][ T778] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 98.343010][ T778] ? __kasan_check_write+0x14/0x20
[ 98.348194][ T778] ? _copy_from_iter+0x360/0xed0
[ 98.353108][ T778] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 98.359158][ T778] cgroup_file_write+0x28e/0x590
[ 98.364086][ T778] ? cgroup_seqfile_stop+0xc0/0xc0
[ 98.369171][ T778] ? bit_wait_io_timeout+0x110/0x110
[ 98.374433][ T778] ? __kasan_check_write+0x14/0x20
[ 98.379520][ T778] kernfs_fop_write_iter+0x2cd/0x410
[ 98.384796][ T778] ? cgroup_seqfile_stop+0xc0/0xc0
[ 98.389896][ T778] vfs_write+0xbb4/0xf30
[ 98.394116][ T778] ? file_end_write+0x1b0/0x1b0
[ 98.398980][ T778] ? mutex_lock+0xec/0x130
[ 98.403393][ T778] ? bit_wait_io_timeout+0x110/0x110
[ 98.408896][ T778] ? __fdget_pos+0x26d/0x310
[ 98.414372][ T778] ? ksys_write+0x77/0x2c0
[ 98.418774][ T778] ksys_write+0x198/0x2c0
[ 98.423166][ T778] ? __ia32_sys_read+0x90/0x90
[ 98.429042][ T778] ? debug_smp_processor_id+0x17/0x20
[ 98.434518][ T778] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 98.442008][ T778] __x64_sys_write+0x7b/0x90
[ 98.446890][ T778] do_syscall_64+0x2f/0x50
[ 98.451329][ T778] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 98.457247][ T778] RIP: 0033:0x7f2a75dbc249
[ 98.462231][ T778] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 98.482287][ T778] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 98.490770][ T778] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 98.498818][ T778] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 98.507207][ T778] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 98.515171][ T778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 98.523128][ T778] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 98.531344][ T778]
[ 98.534948][ T778] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 98.591250][ T786] FAULT_INJECTION: forcing a failure.
[ 98.591250][ T786] name failslab, interval 1, probability 0, space 0, times 0
[ 98.604211][ T786] CPU: 0 PID: 786 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 98.614813][ T786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 98.624857][ T786] Call Trace:
[ 98.628120][ T786]
[ 98.631041][ T786] dump_stack_lvl+0x151/0x1b7
[ 98.635712][ T786] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 98.641156][ T786] dump_stack+0x15/0x17
[ 98.645308][ T786] should_fail+0x3c0/0x510
[ 98.649715][ T786] ? pids_css_alloc+0x4e/0x120
[ 98.654466][ T786] __should_failslab+0x9f/0xe0
[ 98.659219][ T786] should_failslab+0x9/0x20
[ 98.663713][ T786] kmem_cache_alloc_trace+0x4a/0x320
[ 98.668996][ T786] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 98.674188][ T786] pids_css_alloc+0x4e/0x120
[ 98.678771][ T786] cgroup_apply_control_enable+0x335/0x10c0
[ 98.684670][ T786] cgroup_apply_control+0x93/0x710
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 98.689771][ T786] ? css_next_child+0x160/0x160
[ 98.694705][ T786] ? wake_bit_function+0x230/0x230
[ 98.699817][ T786] ? kernfs_fop_write_iter+0x15b/0x410
[ 98.705261][ T786] ? __kasan_check_write+0x14/0x20
[ 98.710372][ T786] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 98.715768][ T786] cgroup_subtree_control_write+0xdde/0x1340
[ 98.721750][ T786] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 98.728511][ T786] ? __kasan_check_write+0x14/0x20
[ 98.733603][ T786] ? _copy_from_iter+0x360/0xed0
[ 98.738518][ T786] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 98.744475][ T786] cgroup_file_write+0x28e/0x590
[ 98.749409][ T786] ? cgroup_seqfile_stop+0xc0/0xc0
[ 98.754500][ T786] ? bit_wait_io_timeout+0x110/0x110
[ 98.759773][ T786] ? __kasan_check_write+0x14/0x20
[ 98.764865][ T786] kernfs_fop_write_iter+0x2cd/0x410
[ 98.770128][ T786] ? cgroup_seqfile_stop+0xc0/0xc0
[ 98.775238][ T786] vfs_write+0xbb4/0xf30
[ 98.779486][ T786] ? file_end_write+0x1b0/0x1b0
[ 98.784320][ T786] ? mutex_lock+0xec/0x130
[ 98.788718][ T786] ? bit_wait_io_timeout+0x110/0x110
[ 98.793986][ T786] ? __fdget_pos+0x26d/0x310
[ 98.798559][ T786] ? ksys_write+0x77/0x2c0
[ 98.802966][ T786] ksys_write+0x198/0x2c0
[ 98.807290][ T786] ? __ia32_sys_read+0x90/0x90
[ 98.812047][ T786] ? debug_smp_processor_id+0x17/0x20
[ 98.817397][ T786] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 98.823442][ T786] __x64_sys_write+0x7b/0x90
[ 98.828022][ T786] do_syscall_64+0x2f/0x50
[ 98.832419][ T786] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 98.838293][ T786] RIP: 0033:0x7f2a75dbc249
[ 98.842687][ T786] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 98.862274][ T786] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 98.870677][ T786] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 98.878632][ T786] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 98.886588][ T786] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 98.894629][ T786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 98.902581][ T786] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 98.910556][ T786]
[ 98.951382][ T792] FAULT_INJECTION: forcing a failure.
[ 98.951382][ T792] name failslab, interval 1, probability 0, space 0, times 0
[ 98.964228][ T792] CPU: 0 PID: 792 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 98.974935][ T792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 98.985006][ T792] Call Trace:
[ 98.988397][ T792]
[ 98.991320][ T792] dump_stack_lvl+0x151/0x1b7
[ 98.995992][ T792] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 99.001441][ T792] ? pcpu_alloc+0xe83/0x1420
[ 99.006055][ T792] dump_stack+0x15/0x17
[ 99.010377][ T792] should_fail+0x3c0/0x510
[ 99.014778][ T792] ? percpu_ref_init+0xc9/0x350
[ 99.019610][ T792] __should_failslab+0x9f/0xe0
[ 99.024454][ T792] should_failslab+0x9/0x20
[ 99.028978][ T792] kmem_cache_alloc_trace+0x4a/0x320
[ 99.034521][ T792] ? cgroup_setup_root+0xec0/0xec0
[ 99.039902][ T792] percpu_ref_init+0xc9/0x350
[ 99.044593][ T792] ? cgroup_setup_root+0xec0/0xec0
[ 99.049776][ T792] cgroup_apply_control_enable+0x383/0x10c0
[ 99.055783][ T792] cgroup_apply_control+0x93/0x710
[ 99.060988][ T792] ? css_next_child+0x160/0x160
[ 99.065831][ T792] ? wake_bit_function+0x230/0x230
[ 99.071224][ T792] ? kernfs_fop_write_iter+0x15b/0x410
[ 99.076765][ T792] ? __kasan_check_write+0x14/0x20
[ 99.081879][ T792] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 99.087338][ T792] cgroup_subtree_control_write+0xdde/0x1340
[ 99.093311][ T792] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 99.099365][ T792] ? __kasan_check_write+0x14/0x20
[ 99.104477][ T792] ? _copy_from_iter+0x360/0xed0
[ 99.109411][ T792] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 99.115569][ T792] cgroup_file_write+0x28e/0x590
[ 99.120600][ T792] ? cgroup_seqfile_stop+0xc0/0xc0
[ 99.125699][ T792] ? bit_wait_io_timeout+0x110/0x110
[ 99.130984][ T792] ? __kasan_check_write+0x14/0x20
[ 99.136130][ T792] kernfs_fop_write_iter+0x2cd/0x410
[ 99.141400][ T792] ? cgroup_seqfile_stop+0xc0/0xc0
[ 99.146582][ T792] vfs_write+0xbb4/0xf30
[ 99.150818][ T792] ? file_end_write+0x1b0/0x1b0
[ 99.155673][ T792] ? mutex_lock+0xb6/0x130
[ 99.160078][ T792] ? bit_wait_io_timeout+0x110/0x110
[ 99.165342][ T792] ? __fdget_pos+0x26d/0x310
[ 99.169914][ T792] ? ksys_write+0x77/0x2c0
[ 99.174402][ T792] ksys_write+0x198/0x2c0
[ 99.178719][ T792] ? __ia32_sys_read+0x90/0x90
[ 99.183469][ T792] ? debug_smp_processor_id+0x17/0x20
[ 99.188821][ T792] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 99.194876][ T792] __x64_sys_write+0x7b/0x90
[ 99.199540][ T792] do_syscall_64+0x2f/0x50
[ 99.203941][ T792] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 99.209838][ T792] RIP: 0033:0x7f2a75dbc249
[ 99.214330][ T792] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 99.234261][ T792] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 99.242673][ T792] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 99.250636][ T792] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 99.258596][ T792] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 99.266682][ T792] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 99.274669][ T792] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 99.282643][ T792]
[ 99.331307][ T806] FAULT_INJECTION: forcing a failure.
[ 99.331307][ T806] name failslab, interval 1, probability 0, space 0, times 0
[ 99.345115][ T806] CPU: 0 PID: 806 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 99.355710][ T806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 99.365766][ T806] Call Trace:
[ 99.369216][ T806]
[ 99.372128][ T806] dump_stack_lvl+0x151/0x1b7
[ 99.376798][ T806] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 99.382235][ T806] dump_stack+0x15/0x17
[ 99.386368][ T806] should_fail+0x3c0/0x510
[ 99.390783][ T806] ? pids_css_alloc+0x4e/0x120
[ 99.395545][ T806] __should_failslab+0x9f/0xe0
[ 99.400308][ T806] should_failslab+0x9/0x20
[ 99.405063][ T806] kmem_cache_alloc_trace+0x4a/0x320
[ 99.410351][ T806] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 99.415533][ T806] pids_css_alloc+0x4e/0x120
[ 99.420190][ T806] cgroup_apply_control_enable+0x335/0x10c0
[ 99.426074][ T806] cgroup_apply_control+0x93/0x710
[ 99.431178][ T806] ? css_next_child+0x160/0x160
[ 99.436007][ T806] ? wake_bit_function+0x230/0x230
[ 99.441218][ T806] ? kernfs_fop_write_iter+0x15b/0x410
[ 99.446757][ T806] ? __kasan_check_write+0x14/0x20
[ 99.451876][ T806] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 99.457329][ T806] cgroup_subtree_control_write+0xdde/0x1340
[ 99.463297][ T806] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 99.469344][ T806] ? __kasan_check_write+0x14/0x20
[ 99.474442][ T806] ? _copy_from_iter+0x360/0xed0
[ 99.479356][ T806] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 99.485314][ T806] cgroup_file_write+0x28e/0x590
[ 99.490230][ T806] ? cgroup_seqfile_stop+0xc0/0xc0
[ 99.495517][ T806] ? bit_wait_io_timeout+0x110/0x110
[ 99.500787][ T806] ? __kasan_check_write+0x14/0x20
[ 99.505900][ T806] kernfs_fop_write_iter+0x2cd/0x410
[ 99.511167][ T806] ? cgroup_seqfile_stop+0xc0/0xc0
[ 99.516286][ T806] vfs_write+0xbb4/0xf30
[ 99.520743][ T806] ? file_end_write+0x1b0/0x1b0
[ 99.525706][ T806] ? mutex_lock+0xb6/0x130
[ 99.530117][ T806] ? bit_wait_io_timeout+0x110/0x110
[ 99.535384][ T806] ? __fdget_pos+0x26d/0x310
[ 99.539971][ T806] ? ksys_write+0x77/0x2c0
[ 99.544453][ T806] ksys_write+0x198/0x2c0
[ 99.548767][ T806] ? __ia32_sys_read+0x90/0x90
[ 99.553683][ T806] ? debug_smp_processor_id+0x17/0x20
[ 99.559033][ T806] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 99.565097][ T806] __x64_sys_write+0x7b/0x90
[ 99.569666][ T806] do_syscall_64+0x2f/0x50
[ 99.574063][ T806] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 99.580046][ T806] RIP: 0033:0x7f2a75dbc249
[ 99.584501][ T806] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 99.604233][ T806] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 99.612651][ T806] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 99.620810][ T806] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 99.628770][ T806] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 99.636721][ T806] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 99.644681][ T806] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 99.652948][ T806]
[ 99.701341][ T800] FAULT_INJECTION: forcing a failure.
[ 99.701341][ T800] name failslab, interval 1, probability 0, space 0, times 0
[ 99.714087][ T800] CPU: 1 PID: 800 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 99.724661][ T800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 99.734877][ T800] Call Trace:
[ 99.738216][ T800]
[ 99.741148][ T800] dump_stack_lvl+0x151/0x1b7
[ 99.745910][ T800] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 99.751383][ T800] ? pcpu_alloc+0xe83/0x1420
[ 99.756054][ T800] dump_stack+0x15/0x17
[ 99.760209][ T800] should_fail+0x3c0/0x510
[ 99.764624][ T800] ? percpu_ref_init+0xc9/0x350
[ 99.769552][ T800] __should_failslab+0x9f/0xe0
[ 99.774308][ T800] should_failslab+0x9/0x20
[ 99.778796][ T800] kmem_cache_alloc_trace+0x4a/0x320
[ 99.784066][ T800] ? cgroup_setup_root+0xec0/0xec0
[ 99.789177][ T800] percpu_ref_init+0xc9/0x350
[ 99.793853][ T800] ? cgroup_setup_root+0xec0/0xec0
[ 99.798980][ T800] cgroup_apply_control_enable+0x383/0x10c0
[ 99.804872][ T800] cgroup_apply_control+0x93/0x710
[ 99.809991][ T800] ? css_next_child+0x160/0x160
[ 99.814920][ T800] ? wake_bit_function+0x230/0x230
[ 99.820029][ T800] ? kernfs_fop_write_iter+0x15b/0x410
[ 99.825576][ T800] ? __kasan_check_write+0x14/0x20
[ 99.830682][ T800] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 99.836037][ T800] cgroup_subtree_control_write+0xdde/0x1340
[ 99.842002][ T800] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 99.847983][ T800] ? __kasan_check_write+0x14/0x20
[ 99.853176][ T800] ? _copy_from_iter+0x360/0xed0
[ 99.858100][ T800] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 99.864064][ T800] cgroup_file_write+0x28e/0x590
[ 99.868984][ T800] ? cgroup_seqfile_stop+0xc0/0xc0
[ 99.874075][ T800] ? bit_wait_io_timeout+0x110/0x110
[ 99.879341][ T800] ? __kasan_check_write+0x14/0x20
[ 99.884436][ T800] kernfs_fop_write_iter+0x2cd/0x410
[ 99.891352][ T800] ? cgroup_seqfile_stop+0xc0/0xc0
[ 99.896448][ T800] vfs_write+0xbb4/0xf30
[ 99.900771][ T800] ? file_end_write+0x1b0/0x1b0
[ 99.905615][ T800] ? mutex_lock+0xec/0x130
[ 99.910018][ T800] ? bit_wait_io_timeout+0x110/0x110
[ 99.915302][ T800] ? __fdget_pos+0x26d/0x310
[ 99.919873][ T800] ? ksys_write+0x77/0x2c0
[ 99.924273][ T800] ksys_write+0x198/0x2c0
[ 99.928585][ T800] ? __ia32_sys_read+0x90/0x90
[ 99.933337][ T800] ? debug_smp_processor_id+0x17/0x20
[ 99.938777][ T800] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 99.944829][ T800] __x64_sys_write+0x7b/0x90
[ 99.949409][ T800] do_syscall_64+0x2f/0x50
[ 99.953819][ T800] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 99.959703][ T800] RIP: 0033:0x7f2a75dbc249
[ 99.964117][ T800] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 99.983813][ T800] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 99.992231][ T800] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 100.000193][ T800] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 100.008160][ T800] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 100.016112][ T800] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 100.024061][ T800] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 100.032024][ T800]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 100.101258][ T801] FAULT_INJECTION: forcing a failure.
[ 100.101258][ T801] name failslab, interval 1, probability 0, space 0, times 0
[ 100.113906][ T801] CPU: 0 PID: 801 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 100.124494][ T801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 100.134537][ T801] Call Trace:
[ 100.137806][ T801]
[ 100.140781][ T801] dump_stack_lvl+0x151/0x1b7
[ 100.145534][ T801] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 100.150981][ T801] ? pcpu_alloc+0xe83/0x1420
[ 100.155651][ T801] dump_stack+0x15/0x17
[ 100.159821][ T801] should_fail+0x3c0/0x510
[ 100.164232][ T801] ? percpu_ref_init+0xc9/0x350
[ 100.169787][ T801] __should_failslab+0x9f/0xe0
[ 100.174543][ T801] should_failslab+0x9/0x20
[ 100.179037][ T801] kmem_cache_alloc_trace+0x4a/0x320
[ 100.184308][ T801] ? cgroup_setup_root+0xec0/0xec0
[ 100.189404][ T801] percpu_ref_init+0xc9/0x350
[ 100.194085][ T801] ? cgroup_setup_root+0xec0/0xec0
[ 100.199215][ T801] cgroup_apply_control_enable+0x383/0x10c0
[ 100.205384][ T801] cgroup_apply_control+0x93/0x710
[ 100.210485][ T801] ? css_next_child+0x160/0x160
[ 100.217058][ T801] ? wake_bit_function+0x230/0x230
[ 100.222159][ T801] ? kernfs_fop_write_iter+0x15b/0x410
[ 100.227610][ T801] ? __kasan_check_write+0x14/0x20
[ 100.232705][ T801] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 100.238060][ T801] cgroup_subtree_control_write+0xdde/0x1340
[ 100.244049][ T801] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 100.250051][ T801] ? __kasan_check_write+0x14/0x20
[ 100.255319][ T801] ? _copy_from_iter+0x360/0xed0
[ 100.260348][ T801] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 100.266312][ T801] cgroup_file_write+0x28e/0x590
[ 100.271367][ T801] ? cgroup_seqfile_stop+0xc0/0xc0
[ 100.276712][ T801] ? bit_wait_io_timeout+0x110/0x110
[ 100.282014][ T801] ? __kasan_check_write+0x14/0x20
[ 100.287110][ T801] kernfs_fop_write_iter+0x2cd/0x410
[ 100.292375][ T801] ? cgroup_seqfile_stop+0xc0/0xc0
[ 100.297646][ T801] vfs_write+0xbb4/0xf30
[ 100.301881][ T801] ? file_end_write+0x1b0/0x1b0
[ 100.306716][ T801] ? mutex_lock+0xec/0x130
[ 100.311115][ T801] ? bit_wait_io_timeout+0x110/0x110
[ 100.316382][ T801] ? __fdget_pos+0x26d/0x310
[ 100.320959][ T801] ? ksys_write+0x77/0x2c0
[ 100.325445][ T801] ksys_write+0x198/0x2c0
[ 100.329755][ T801] ? __ia32_sys_read+0x90/0x90
[ 100.334778][ T801] ? debug_smp_processor_id+0x17/0x20
[ 100.340229][ T801] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 100.346284][ T801] __x64_sys_write+0x7b/0x90
[ 100.354419][ T801] do_syscall_64+0x2f/0x50
[ 100.358834][ T801] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 100.364713][ T801] RIP: 0033:0x7f2a75dbc249
[ 100.369110][ T801] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 100.388856][ T801] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 100.397576][ T801] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 100.405784][ T801] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 100.413845][ T801] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 100.421800][ T801] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 100.429766][ T801] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 100.437923][ T801]
[ 100.481212][ T804] FAULT_INJECTION: forcing a failure.
[ 100.481212][ T804] name failslab, interval 1, probability 0, space 0, times 0
[ 100.493997][ T804] CPU: 1 PID: 804 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 100.504655][ T804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 100.514786][ T804] Call Trace:
[ 100.518077][ T804]
[ 100.521092][ T804] dump_stack_lvl+0x151/0x1b7
[ 100.525794][ T804] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 100.531239][ T804] ? selinux_kernfs_init_security+0x1a8/0x760
[ 100.537419][ T804] dump_stack+0x15/0x17
[ 100.541580][ T804] should_fail+0x3c0/0x510
[ 100.545999][ T804] ? __kernfs_new_node+0x99/0x6e0
[ 100.551107][ T804] __should_failslab+0x9f/0xe0
[ 100.555864][ T804] should_failslab+0x9/0x20
[ 100.560348][ T804] __kmalloc_track_caller+0x6c/0x340
[ 100.565618][ T804] kstrdup_const+0x55/0x90
[ 100.570019][ T804] __kernfs_new_node+0x99/0x6e0
[ 100.574971][ T804] ? stack_trace_save+0x1f0/0x1f0
[ 100.580172][ T804] ? kernfs_new_node+0x170/0x170
[ 100.585211][ T804] ? ptr_to_hashval+0x60/0x60
[ 100.589877][ T804] ? arch_stack_walk+0xf8/0x140
[ 100.594809][ T804] ? snprintf+0xd6/0x120
[ 100.599037][ T804] kernfs_new_node+0x97/0x170
[ 100.603912][ T804] __kernfs_create_file+0x4a/0x270
[ 100.609530][ T804] cgroup_addrm_files+0xab8/0xfe0
[ 100.614630][ T804] ? ____kasan_kmalloc+0xdc/0x110
[ 100.619681][ T804] ? __kasan_kmalloc+0x9/0x10
[ 100.624342][ T804] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 100.629876][ T804] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 100.636013][ T804] ? delete_node+0x759/0x7b0
[ 100.640589][ T804] ? __kasan_check_read+0x11/0x20
[ 100.645597][ T804] ? delete_node+0x759/0x7b0
[ 100.650177][ T804] ? __kasan_check_write+0x14/0x20
[ 100.655272][ T804] ? idr_replace+0x1c4/0x230
[ 100.659845][ T804] ? idr_get_next+0x4b0/0x4b0
[ 100.664521][ T804] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 100.669642][ T804] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 100.674924][ T804] css_populate_dir+0x137/0x370
[ 100.679765][ T804] cgroup_apply_control_enable+0x889/0x10c0
[ 100.685651][ T804] cgroup_apply_control+0x93/0x710
[ 100.690757][ T804] ? css_next_child+0x160/0x160
[ 100.695593][ T804] ? wake_bit_function+0x230/0x230
[ 100.700780][ T804] ? kernfs_fop_write_iter+0x15b/0x410
[ 100.706310][ T804] ? __kasan_check_write+0x14/0x20
[ 100.711405][ T804] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 100.716680][ T804] cgroup_subtree_control_write+0xdde/0x1340
[ 100.722864][ T804] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 100.728846][ T804] ? __kasan_check_write+0x14/0x20
[ 100.734030][ T804] ? _copy_from_iter+0x360/0xed0
[ 100.738958][ T804] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 100.744924][ T804] cgroup_file_write+0x28e/0x590
[ 100.749849][ T804] ? cgroup_seqfile_stop+0xc0/0xc0
[ 100.754943][ T804] ? bit_wait_io_timeout+0x110/0x110
[ 100.760213][ T804] ? __kasan_check_write+0x14/0x20
[ 100.765305][ T804] kernfs_fop_write_iter+0x2cd/0x410
[ 100.770678][ T804] ? cgroup_seqfile_stop+0xc0/0xc0
[ 100.775785][ T804] vfs_write+0xbb4/0xf30
[ 100.780030][ T804] ? file_end_write+0x1b0/0x1b0
[ 100.784874][ T804] ? mutex_lock+0xec/0x130
[ 100.789369][ T804] ? bit_wait_io_timeout+0x110/0x110
[ 100.794726][ T804] ? __fdget_pos+0x26d/0x310
[ 100.799302][ T804] ? ksys_write+0x77/0x2c0
[ 100.803793][ T804] ksys_write+0x198/0x2c0
[ 100.808132][ T804] ? __ia32_sys_read+0x90/0x90
[ 100.812991][ T804] ? debug_smp_processor_id+0x17/0x20
[ 100.818349][ T804] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 100.824402][ T804] __x64_sys_write+0x7b/0x90
[ 100.828975][ T804] do_syscall_64+0x2f/0x50
[ 100.833655][ T804] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 100.839531][ T804] RIP: 0033:0x7f2a75dbc249
[ 100.843927][ T804] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 100.863517][ T804] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 100.871920][ T804] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 100.879901][ T804] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 100.887851][ T804] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 100.895828][ T804] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 100.903798][ T804] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 100.911780][ T804]
[ 100.915153][ T804] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 100.961413][ T809] FAULT_INJECTION: forcing a failure.
[ 100.961413][ T809] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 100.974812][ T809] CPU: 0 PID: 809 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 100.985470][ T809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 100.996020][ T809] Call Trace:
[ 100.999302][ T809]
[ 101.002234][ T809] dump_stack_lvl+0x151/0x1b7
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 101.006902][ T809] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 101.012364][ T809] ? __kasan_check_write+0x14/0x20
[ 101.017640][ T809] ? _raw_spin_lock_irq+0xa4/0x1b0
[ 101.022841][ T809] dump_stack+0x15/0x17
[ 101.026993][ T809] should_fail+0x3c0/0x510
[ 101.031490][ T809] should_fail_alloc_page+0x50/0x60
[ 101.036694][ T809] __alloc_pages+0x207/0x850
[ 101.041272][ T809] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 101.047498][ T809] ? zone_watermark_fast+0x210/0x210
[ 101.052780][ T809] allocate_slab+0x69/0x4d0
[ 101.057267][ T809] ___slab_alloc+0x2c2/0x6a0
[ 101.061943][ T809] ? pids_css_alloc+0x4e/0x120
[ 101.066692][ T809] ? pids_css_alloc+0x4e/0x120
[ 101.071440][ T809] __slab_alloc+0x4a/0x90
[ 101.075750][ T809] kmem_cache_alloc_trace+0x221/0x320
[ 101.081102][ T809] ? pids_css_alloc+0x4e/0x120
[ 101.085849][ T809] pids_css_alloc+0x4e/0x120
[ 101.090422][ T809] cgroup_apply_control_enable+0x335/0x10c0
[ 101.096559][ T809] cgroup_apply_control+0x93/0x710
[ 101.101658][ T809] ? css_next_child+0x160/0x160
[ 101.106490][ T809] ? wake_bit_function+0x230/0x230
[ 101.111581][ T809] ? kernfs_fop_write_iter+0x15b/0x410
[ 101.117051][ T809] ? __kasan_check_write+0x14/0x20
[ 101.122147][ T809] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 101.127416][ T809] cgroup_subtree_control_write+0xdde/0x1340
[ 101.133383][ T809] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 101.139350][ T809] ? __kasan_check_write+0x14/0x20
[ 101.144448][ T809] ? _copy_from_iter+0x360/0xed0
[ 101.149462][ T809] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 101.155482][ T809] cgroup_file_write+0x28e/0x590
[ 101.160413][ T809] ? cgroup_seqfile_stop+0xc0/0xc0
[ 101.165609][ T809] ? bit_wait_io_timeout+0x110/0x110
[ 101.170967][ T809] ? __kasan_check_write+0x14/0x20
[ 101.176061][ T809] kernfs_fop_write_iter+0x2cd/0x410
[ 101.181337][ T809] ? cgroup_seqfile_stop+0xc0/0xc0
[ 101.186448][ T809] vfs_write+0xbb4/0xf30
[ 101.190673][ T809] ? file_end_write+0x1b0/0x1b0
[ 101.195503][ T809] ? mutex_lock+0xec/0x130
[ 101.199899][ T809] ? bit_wait_io_timeout+0x110/0x110
[ 101.205169][ T809] ? __fdget_pos+0x26d/0x310
[ 101.209914][ T809] ? ksys_write+0x77/0x2c0
[ 101.214326][ T809] ksys_write+0x198/0x2c0
[ 101.218688][ T809] ? __ia32_sys_read+0x90/0x90
[ 101.223446][ T809] ? debug_smp_processor_id+0x17/0x20
[ 101.228808][ T809] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 101.235127][ T809] __x64_sys_write+0x7b/0x90
[ 101.239705][ T809] do_syscall_64+0x2f/0x50
[ 101.244119][ T809] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 101.250018][ T809] RIP: 0033:0x7f2a75dbc249
[ 101.254421][ T809] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 101.274032][ T809] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 101.282697][ T809] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 101.290780][ T809] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 101.298741][ T809] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 101.306712][ T809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 101.315129][ T809] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 101.323089][ T809]
[ 101.328878][ T432] ------------[ cut here ]------------
[ 101.334407][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 101.343374][ T432] Modules linked in:
[ 101.347274][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 101.357879][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 101.367946][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 101.373692][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 101.393313][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 101.399403][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 101.407419][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 101.415415][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 101.423420][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
[ 101.431504][ T432] R13: ffff888110887800 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 101.439581][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 101.448528][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 101.455303][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 101.463395][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 101.471387][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 101.479477][ T432] Call Trace:
[ 101.482771][ T432]
[ 101.485737][ T432] ? __kasan_check_write+0x14/0x20
[ 101.491219][ T432] ? up_write+0xa1/0x190
[ 101.495461][ T432] ? vfs_submount+0xb0/0xb0
[ 101.499979][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 101.505539][ T432] namespace_unlock+0x448/0x4f0
[ 101.510395][ T432] ? umount_tree+0xf40/0xf40
[ 101.515052][ T432] ? __detach_mounts+0x670/0x670
[ 101.519990][ T432] ? selinux_umount+0xf3/0x130
[ 101.524780][ T432] ? security_sb_umount+0x9d/0xb0
[ 101.529799][ T432] path_umount+0xe89/0xf40
[ 101.534261][ T432] ? __kasan_slab_free+0x11/0x20
[ 101.539201][ T432] ? user_path_at_empty+0x152/0x1b0
[ 101.544440][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 101.549464][ T432] ? user_path_at_empty+0x152/0x1b0
[ 101.554699][ T432] __x64_sys_umount+0x122/0x170
[ 101.560048][ T432] ? path_umount+0xf40/0xf40
[ 101.564774][ T432] ? debug_smp_processor_id+0x17/0x20
[ 101.571693][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 101.577712][ T432] do_syscall_64+0x2f/0x50
[ 101.582170][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 101.588235][ T432] RIP: 0033:0x7f2a75dbd657
[ 101.592670][ T432] 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
[ 101.612399][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 101.620844][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 101.628813][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 101.636894][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 101.644887][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 101.652883][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 101.660872][ T432]
[ 101.663880][ T432] ---[ end trace 0000000000000000 ]---
[ 101.669428][ T432] ------------[ cut here ]------------
[ 101.674999][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 101.684036][ T432] Modules linked in:
[ 101.687916][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 101.698506][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 101.708578][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 101.714333][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 101.733969][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 101.740026][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27d3c0
[ 101.748040][ T432] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 101.756022][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 101.764055][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 101.772030][ T432] R13: ffff888110887800 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 101.779986][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 101.788926][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 101.795613][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 101.803592][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 101.811558][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 101.819613][ T432] Call Trace:
[ 101.822901][ T432]
[ 101.825816][ T432] ? lockref_get_or_lock+0x340/0x340
[ 101.831117][ T432] ? umount_tree+0xf40/0xf40
[ 101.835693][ T432] ? vfs_submount+0xb0/0xb0
[ 101.840358][ T432] ? dput+0x2b6/0x320
[ 101.844363][ T432] path_umount+0x1e0/0xf40
[ 101.848767][ T432] ? __kasan_slab_free+0x11/0x20
[ 101.853713][ T432] ? user_path_at_empty+0x152/0x1b0
[ 101.858904][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 101.863923][ T432] ? user_path_at_empty+0x152/0x1b0
[ 101.869107][ T432] __x64_sys_umount+0x122/0x170
[ 101.873957][ T432] ? path_umount+0xf40/0xf40
[ 101.878543][ T432] ? debug_smp_processor_id+0x17/0x20
[ 101.884035][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 101.889741][ T432] do_syscall_64+0x2f/0x50
[ 101.894172][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 101.900053][ T432] RIP: 0033:0x7f2a75dbd657
[ 101.904461][ T432] 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
[ 101.924171][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 101.932597][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 101.940553][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 101.948617][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 101.956595][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 101.964666][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 101.972724][ T432]
[ 101.975733][ T432] ---[ end trace 0000000000000000 ]---
[ 101.981904][ T431] ------------[ cut here ]------------
[ 101.987389][ T431] WARNING: CPU: 0 PID: 431 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 101.996397][ T431] Modules linked in:
[ 102.000273][ T431] CPU: 0 PID: 431 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 102.010939][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 102.021078][ T431] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 102.026702][ T431] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 102.047497][ T431] RSP: 0018:ffffc9000162fba0 EFLAGS: 00010293
[ 102.053598][ T431] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd00000
[ 102.061567][ T431] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 102.069623][ T431] RBP: ffffc9000162fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 102.077680][ T431] R10: fffff520002c5f65 R11: 1ffff920002c5f64 R12: dffffc0000000000
[ 102.085654][ T431] R13: ffff888110886180 R14: ffffc9000162fc00 R15: 1ffff920002c5f7c
[ 102.093802][ T431] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 102.102724][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 102.109291][ T431] CR2: 000055555660f3b8 CR3: 00000001210f6000 CR4: 00000000003506b0
[ 102.117356][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 102.125373][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 102.133338][ T431] Call Trace:
[ 102.136605][ T431]
[ 102.139529][ T431] ? __kasan_check_write+0x14/0x20
[ 102.144643][ T431] ? up_write+0xa1/0x190
[ 102.148884][ T431] ? vfs_submount+0xb0/0xb0
[ 102.153402][ T431] ? change_mnt_propagation+0x8de/0xbc0
[ 102.159138][ T431] namespace_unlock+0x448/0x4f0
[ 102.163992][ T431] ? umount_tree+0xf40/0xf40
[ 102.168603][ T431] ? __detach_mounts+0x670/0x670
[ 102.173558][ T431] ? selinux_umount+0xf3/0x130
[ 102.178309][ T431] ? security_sb_umount+0x9d/0xb0
[ 102.183334][ T431] path_umount+0xe89/0xf40
[ 102.187745][ T431] ? __kasan_slab_free+0x11/0x20
[ 102.192686][ T431] ? user_path_at_empty+0x152/0x1b0
[ 102.197870][ T431] ? namespace_unlock+0x4f0/0x4f0
[ 102.202896][ T431] ? user_path_at_empty+0x152/0x1b0
[ 102.208085][ T431] __x64_sys_umount+0x122/0x170
[ 102.213031][ T431] ? path_umount+0xf40/0xf40
[ 102.217607][ T431] ? debug_smp_processor_id+0x17/0x20
[ 102.223327][ T431] ? exit_to_user_mode_prepare+0x3a/0x80
[ 102.228956][ T431] do_syscall_64+0x2f/0x50
[ 102.233376][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 102.239433][ T431] RIP: 0033:0x7f2a75dbd657
[ 102.243942][ 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
[ 102.263827][ T431] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 102.272248][ T431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 102.280377][ T431] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 102.288374][ T431] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 102.296444][ T431] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 102.304530][ T431] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 102.312504][ T431]
[ 102.315506][ T431] ---[ end trace 0000000000000000 ]---
[ 102.321158][ T431] ------------[ cut here ]------------
[ 102.326600][ T431] WARNING: CPU: 0 PID: 431 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 102.335624][ T431] Modules linked in:
[ 102.339595][ T431] CPU: 0 PID: 431 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 102.350196][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 102.360263][ T431] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 102.366028][ T431] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 102.385825][ T431] RSP: 0018:ffffc9000162fca0 EFLAGS: 00010293
[ 102.391910][ T431] RAX: ffffffff81beb524 RBX: 00000000fffffffd RCX: ffff88810cd00000
[ 102.400069][ T431] RDX: 0000000000000000 RSI: 00000000fffffffd RDI: 0000000000000000
[ 102.408128][ T431] RBP: ffffc9000162fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 102.416582][ T431] R10: fffff520002c5f85 R11: 1ffff920002c5f84 R12: dffffc0000000000
[ 102.424616][ T431] R13: ffff888110886180 R14: ffffc9000162fd00 R15: 1ffff920002c5f9c
[ 102.432607][ T431] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 102.441714][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 102.448291][ T431] CR2: 000055555660f3b8 CR3: 00000001210f6000 CR4: 00000000003506b0
[ 102.456269][ T431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 102.464246][ T431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 102.472306][ T431] Call Trace:
[ 102.476066][ T431]
[ 102.479173][ T431] ? lockref_get_or_lock+0x340/0x340
[ 102.484473][ T431] ? umount_tree+0xf40/0xf40
[ 102.489072][ T431] ? vfs_submount+0xb0/0xb0
[ 102.493662][ T431] ? dput+0x2b6/0x320
[ 102.497629][ T431] path_umount+0x1e0/0xf40
[ 102.502050][ T431] ? __kasan_slab_free+0x11/0x20
[ 102.506983][ T431] ? user_path_at_empty+0x152/0x1b0
[ 102.512182][ T431] ? namespace_unlock+0x4f0/0x4f0
[ 102.517203][ T431] ? user_path_at_empty+0x152/0x1b0
[ 102.522404][ T431] __x64_sys_umount+0x122/0x170
[ 102.527256][ T431] ? path_umount+0xf40/0xf40
[ 102.531852][ T431] ? debug_smp_processor_id+0x17/0x20
[ 102.537217][ T431] ? exit_to_user_mode_prepare+0x3a/0x80
[ 102.542854][ T431] do_syscall_64+0x2f/0x50
[ 102.547264][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 102.553157][ T431] RIP: 0033:0x7f2a75dbd657
[ 102.557643][ 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
[ 102.577336][ T431] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 102.585752][ T431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 102.593735][ T431] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 102.601704][ T431] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 102.609662][ T431] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 102.617633][ T431] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 102.625968][ T431]
[ 102.629069][ T431] ---[ end trace 0000000000000000 ]---
[ 102.634998][ T787] FAULT_INJECTION: forcing a failure.
[ 102.634998][ T787] name failslab, interval 1, probability 0, space 0, times 0
[ 102.647903][ T787] CPU: 0 PID: 787 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 102.658615][ T787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 102.668773][ T787] Call Trace:
[ 102.672044][ T787]
[ 102.674974][ T787] dump_stack_lvl+0x151/0x1b7
[ 102.679638][ T787] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 102.685082][ T787] ? pcpu_alloc+0xe83/0x1420
[ 102.689769][ T787] dump_stack+0x15/0x17
[ 102.693921][ T787] should_fail+0x3c0/0x510
[ 102.698325][ T787] ? percpu_ref_init+0xc9/0x350
[ 102.703170][ T787] __should_failslab+0x9f/0xe0
[ 102.707922][ T787] should_failslab+0x9/0x20
[ 102.712418][ T787] kmem_cache_alloc_trace+0x4a/0x320
[ 102.717697][ T787] ? cgroup_setup_root+0xec0/0xec0
[ 102.722924][ T787] percpu_ref_init+0xc9/0x350
[ 102.727623][ T787] ? cgroup_setup_root+0xec0/0xec0
[ 102.732722][ T787] cgroup_apply_control_enable+0x383/0x10c0
[ 102.738627][ T787] cgroup_apply_control+0x93/0x710
[ 102.743729][ T787] ? css_next_child+0x160/0x160
[ 102.748587][ T787] ? wake_bit_function+0x230/0x230
[ 102.753700][ T787] ? kernfs_fop_write_iter+0x15b/0x410
[ 102.759753][ T787] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 102.764882][ T787] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 102.770156][ T787] cgroup_subtree_control_write+0xdde/0x1340
[ 102.776128][ T787] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 102.782091][ T787] ? __kasan_check_write+0x14/0x20
[ 102.787185][ T787] ? _copy_from_iter+0x360/0xed0
[ 102.792108][ T787] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 102.798073][ T787] cgroup_file_write+0x28e/0x590
[ 102.803015][ T787] ? cgroup_seqfile_stop+0xc0/0xc0
[ 102.808146][ T787] ? bit_wait_io_timeout+0x110/0x110
[ 102.813482][ T787] ? __kasan_check_write+0x14/0x20
[ 102.818595][ T787] kernfs_fop_write_iter+0x2cd/0x410
[ 102.823888][ T787] ? cgroup_seqfile_stop+0xc0/0xc0
[ 102.829001][ T787] vfs_write+0xbb4/0xf30
[ 102.833248][ T787] ? file_end_write+0x1b0/0x1b0
[ 102.838103][ T787] ? mutex_lock+0xec/0x130
[ 102.842662][ T787] ? bit_wait_io_timeout+0x110/0x110
[ 102.847965][ T787] ? __fdget_pos+0x26d/0x310
[ 102.852655][ T787] ? ksys_write+0x77/0x2c0
[ 102.857057][ T787] ksys_write+0x198/0x2c0
[ 102.861377][ T787] ? __ia32_sys_read+0x90/0x90
[ 102.866121][ T787] ? debug_smp_processor_id+0x17/0x20
[ 102.871476][ T787] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 102.877538][ T787] __x64_sys_write+0x7b/0x90
[ 102.882130][ T787] do_syscall_64+0x2f/0x50
[ 102.886539][ T787] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 102.892421][ T787] RIP: 0033:0x7f2a75dbc249
[ 102.896829][ T787] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 102.916544][ T787] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 102.924999][ T787] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 102.932987][ T787] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 102.940951][ T787] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 102.949004][ T787] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 102.956977][ T787] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 102.964948][ T787]
[ 103.001226][ T821] FAULT_INJECTION: forcing a failure.
[ 103.001226][ T821] name failslab, interval 1, probability 0, space 0, times 0
[ 103.014001][ T821] CPU: 0 PID: 821 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 103.024852][ T821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 103.034908][ T821] Call Trace:
[ 103.038280][ T821]
[ 103.041193][ T821] dump_stack_lvl+0x151/0x1b7
[ 103.045861][ T821] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 103.051307][ T821] ? pcpu_alloc+0xe83/0x1420
[ 103.055882][ T821] dump_stack+0x15/0x17
[ 103.060023][ T821] should_fail+0x3c0/0x510
[ 103.064422][ T821] ? percpu_ref_init+0xc9/0x350
[ 103.069262][ T821] __should_failslab+0x9f/0xe0
[ 103.074013][ T821] should_failslab+0x9/0x20
[ 103.078512][ T821] kmem_cache_alloc_trace+0x4a/0x320
[ 103.083895][ T821] ? cgroup_setup_root+0xec0/0xec0
[ 103.089008][ T821] percpu_ref_init+0xc9/0x350
[ 103.093676][ T821] ? cgroup_setup_root+0xec0/0xec0
[ 103.098798][ T821] cgroup_apply_control_enable+0x383/0x10c0
[ 103.104700][ T821] cgroup_apply_control+0x93/0x710
[ 103.109793][ T821] ? css_next_child+0x160/0x160
[ 103.114640][ T821] ? wake_bit_function+0x230/0x230
[ 103.119734][ T821] ? kernfs_fop_write_iter+0x15b/0x410
[ 103.125205][ T821] ? __kasan_check_write+0x14/0x20
[ 103.130952][ T821] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 103.136220][ T821] cgroup_subtree_control_write+0xdde/0x1340
[ 103.142183][ T821] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 103.148153][ T821] ? __kasan_check_write+0x14/0x20
[ 103.153242][ T821] ? _copy_from_iter+0x360/0xed0
[ 103.158250][ T821] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 103.164209][ T821] cgroup_file_write+0x28e/0x590
[ 103.169141][ T821] ? cgroup_seqfile_stop+0xc0/0xc0
[ 103.174235][ T821] ? bit_wait_io_timeout+0x110/0x110
[ 103.179529][ T821] ? __kasan_check_write+0x14/0x20
[ 103.184626][ T821] kernfs_fop_write_iter+0x2cd/0x410
[ 103.189899][ T821] ? cgroup_seqfile_stop+0xc0/0xc0
[ 103.195004][ T821] vfs_write+0xbb4/0xf30
[ 103.199406][ T821] ? file_end_write+0x1b0/0x1b0
[ 103.204252][ T821] ? mutex_lock+0xec/0x130
[ 103.208684][ T821] ? bit_wait_io_timeout+0x110/0x110
[ 103.213961][ T821] ? __fdget_pos+0x26d/0x310
[ 103.218748][ T821] ? ksys_write+0x77/0x2c0
[ 103.223147][ T821] ksys_write+0x198/0x2c0
[ 103.227542][ T821] ? __ia32_sys_read+0x90/0x90
[ 103.232469][ T821] ? debug_smp_processor_id+0x17/0x20
[ 103.237818][ T821] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 103.243969][ T821] __x64_sys_write+0x7b/0x90
[ 103.248551][ T821] do_syscall_64+0x2f/0x50
[ 103.252957][ T821] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 103.258862][ T821] RIP: 0033:0x7f2a75dbc249
[ 103.263280][ T821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 103.282884][ T821] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 103.291279][ T821] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 103.299235][ T821] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 103.307203][ T821] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 103.315178][ T821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 103.323147][ T821] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 103.331110][ T821]
[ 103.371383][ T835] FAULT_INJECTION: forcing a failure.
[ 103.371383][ T835] name failslab, interval 1, probability 0, space 0, times 0
[ 103.384060][ T835] CPU: 0 PID: 835 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 103.394745][ T835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 103.404791][ T835] Call Trace:
[ 103.408056][ T835]
[ 103.410969][ T835] dump_stack_lvl+0x151/0x1b7
[ 103.415645][ T835] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 103.421085][ T835] ? selinux_kernfs_init_security+0x1a8/0x760
[ 103.427140][ T835] dump_stack+0x15/0x17
[ 103.431461][ T835] should_fail+0x3c0/0x510
[ 103.435867][ T835] ? __kernfs_new_node+0x99/0x6e0
[ 103.440898][ T835] __should_failslab+0x9f/0xe0
[ 103.445664][ T835] should_failslab+0x9/0x20
[ 103.450168][ T835] __kmalloc_track_caller+0x6c/0x340
[ 103.455543][ T835] kstrdup_const+0x55/0x90
[ 103.459955][ T835] __kernfs_new_node+0x99/0x6e0
[ 103.464802][ T835] ? stack_trace_save+0x1f0/0x1f0
[ 103.469852][ T835] ? kernfs_new_node+0x170/0x170
[ 103.474789][ T835] ? ptr_to_hashval+0x60/0x60
[ 103.479464][ T835] ? arch_stack_walk+0xf8/0x140
[ 103.484300][ T835] ? snprintf+0xd6/0x120
[ 103.488532][ T835] kernfs_new_node+0x97/0x170
[ 103.493219][ T835] __kernfs_create_file+0x4a/0x270
[ 103.498322][ T835] cgroup_addrm_files+0xab8/0xfe0
[ 103.503339][ T835] ? ____kasan_kmalloc+0xdc/0x110
[ 103.508363][ T835] ? __kasan_kmalloc+0x9/0x10
[ 103.513026][ T835] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 103.518555][ T835] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 103.524695][ T835] ? delete_node+0x759/0x7b0
[ 103.529452][ T835] ? __kasan_check_read+0x11/0x20
[ 103.534737][ T835] ? delete_node+0x759/0x7b0
[ 103.539321][ T835] ? __kasan_check_write+0x14/0x20
[ 103.544437][ T835] ? idr_replace+0x1c4/0x230
[ 103.549016][ T835] ? idr_get_next+0x4b0/0x4b0
[ 103.553771][ T835] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 103.558794][ T835] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 103.563980][ T835] css_populate_dir+0x137/0x370
[ 103.568823][ T835] cgroup_apply_control_enable+0x889/0x10c0
[ 103.574738][ T835] cgroup_apply_control+0x93/0x710
[ 103.579846][ T835] ? css_next_child+0x160/0x160
[ 103.584684][ T835] ? wake_bit_function+0x230/0x230
[ 103.589793][ T835] ? strim+0x9a/0x1b0
[ 103.593754][ T835] ? __kasan_check_write+0x14/0x20
[ 103.598863][ T835] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 103.604126][ T835] cgroup_subtree_control_write+0xdde/0x1340
[ 103.610092][ T835] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 103.616069][ T835] ? __kasan_check_write+0x14/0x20
[ 103.621169][ T835] ? _copy_from_iter+0x360/0xed0
[ 103.626086][ T835] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 103.632045][ T835] cgroup_file_write+0x28e/0x590
[ 103.636974][ T835] ? cgroup_seqfile_stop+0xc0/0xc0
[ 103.642072][ T835] ? bit_wait_io_timeout+0x110/0x110
[ 103.647347][ T835] ? __kasan_check_write+0x14/0x20
[ 103.652437][ T835] kernfs_fop_write_iter+0x2cd/0x410
[ 103.657700][ T835] ? cgroup_seqfile_stop+0xc0/0xc0
[ 103.662902][ T835] vfs_write+0xbb4/0xf30
[ 103.667312][ T835] ? file_end_write+0x1b0/0x1b0
[ 103.672144][ T835] ? mutex_lock+0xec/0x130
[ 103.676540][ T835] ? bit_wait_io_timeout+0x110/0x110
[ 103.681897][ T835] ? __fdget_pos+0x26d/0x310
[ 103.686716][ T835] ? ksys_write+0x77/0x2c0
[ 103.691132][ T835] ksys_write+0x198/0x2c0
[ 103.695447][ T835] ? __ia32_sys_read+0x90/0x90
[ 103.700193][ T835] ? debug_smp_processor_id+0x17/0x20
[ 103.705544][ T835] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 103.711595][ T835] __x64_sys_write+0x7b/0x90
[ 103.716215][ T835] do_syscall_64+0x2f/0x50
[ 103.720731][ T835] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 103.726672][ T835] RIP: 0033:0x7f2a75dbc249
[ 103.731155][ T835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 103.751099][ T835] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 103.759514][ T835] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 103.767473][ T835] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 103.775426][ T835] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 103.783384][ T835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 103.791361][ T835] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 103.799343][ T835]
[ 103.802874][ T835] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 103.851292][ T818] FAULT_INJECTION: forcing a failure.
[ 103.851292][ T818] name failslab, interval 1, probability 0, space 0, times 0
[ 103.863990][ T818] CPU: 0 PID: 818 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 103.874727][ T818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 103.884781][ T818] Call Trace:
[ 103.888047][ T818]
[ 103.890969][ T818] dump_stack_lvl+0x151/0x1b7
[ 103.895630][ T818] ? bfq_pos_tree_add_move+0x43e/0x43e
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 103.901067][ T818] ? selinux_kernfs_init_security+0x1a8/0x760
[ 103.907116][ T818] dump_stack+0x15/0x17
[ 103.911267][ T818] should_fail+0x3c0/0x510
[ 103.915682][ T818] __should_failslab+0x9f/0xe0
[ 103.920430][ T818] should_failslab+0x9/0x20
[ 103.925014][ T818] kmem_cache_alloc+0x4f/0x300
[ 103.929765][ T818] ? __kernfs_new_node+0xdb/0x6e0
[ 103.934783][ T818] __kernfs_new_node+0xdb/0x6e0
[ 103.939646][ T818] ? stack_trace_save+0x1f0/0x1f0
[ 103.945513][ T818] ? kernfs_new_node+0x170/0x170
[ 103.950882][ T818] ? ptr_to_hashval+0x60/0x60
[ 103.955655][ T818] ? up_read+0x1b0/0x1b0
[ 103.959894][ T818] ? snprintf+0xd6/0x120
[ 103.964234][ T818] kernfs_new_node+0x97/0x170
[ 103.968921][ T818] __kernfs_create_file+0x4a/0x270
[ 103.974036][ T818] cgroup_addrm_files+0xab8/0xfe0
[ 103.979049][ T818] ? ____kasan_kmalloc+0xdc/0x110
[ 103.984069][ T818] ? __kasan_kmalloc+0x9/0x10
[ 103.988725][ T818] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 103.994291][ T818] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 104.000429][ T818] ? delete_node+0x759/0x7b0
[ 104.005011][ T818] ? __kasan_check_read+0x11/0x20
[ 104.010041][ T818] ? idr_replace+0x1c4/0x230
[ 104.014620][ T818] ? idr_get_next+0x4b0/0x4b0
[ 104.019276][ T818] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 104.024301][ T818] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 104.029498][ T818] css_populate_dir+0x137/0x370
[ 104.034345][ T818] cgroup_apply_control_enable+0x889/0x10c0
[ 104.040237][ T818] cgroup_apply_control+0x93/0x710
[ 104.045339][ T818] ? css_next_child+0x160/0x160
[ 104.050169][ T818] ? wake_bit_function+0x230/0x230
[ 104.055262][ T818] ? __x64_sys_write+0x7b/0x90
[ 104.060030][ T818] ? __kasan_check_write+0x14/0x20
[ 104.065123][ T818] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 104.070402][ T818] cgroup_subtree_control_write+0xdde/0x1340
[ 104.076376][ T818] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 104.082351][ T818] ? __kasan_check_write+0x14/0x20
[ 104.087447][ T818] ? _copy_from_iter+0x360/0xed0
[ 104.092384][ T818] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 104.098368][ T818] cgroup_file_write+0x28e/0x590
[ 104.103284][ T818] ? cgroup_seqfile_stop+0xc0/0xc0
[ 104.108396][ T818] ? bit_wait_io_timeout+0x110/0x110
[ 104.113680][ T818] ? __kasan_check_write+0x14/0x20
[ 104.118811][ T818] kernfs_fop_write_iter+0x2cd/0x410
[ 104.124081][ T818] ? cgroup_seqfile_stop+0xc0/0xc0
[ 104.129175][ T818] vfs_write+0xbb4/0xf30
[ 104.133421][ T818] ? file_end_write+0x1b0/0x1b0
[ 104.138259][ T818] ? mutex_lock+0xec/0x130
[ 104.142741][ T818] ? bit_wait_io_timeout+0x110/0x110
[ 104.148092][ T818] ? __fdget_pos+0x26d/0x310
[ 104.152662][ T818] ? ksys_write+0x77/0x2c0
[ 104.157059][ T818] ksys_write+0x198/0x2c0
[ 104.161382][ T818] ? __ia32_sys_read+0x90/0x90
[ 104.166213][ T818] ? debug_smp_processor_id+0x17/0x20
[ 104.171563][ T818] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 104.177728][ T818] __x64_sys_write+0x7b/0x90
[ 104.182314][ T818] do_syscall_64+0x2f/0x50
[ 104.186715][ T818] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 104.192773][ T818] RIP: 0033:0x7f2a75dbc249
[ 104.197362][ T818] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 104.216955][ T818] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 104.225352][ T818] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 104.233320][ T818] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 104.241277][ T818] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 104.249247][ T818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 104.257208][ T818] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 104.265176][ T818]
[ 104.268749][ T818] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 104.277289][ T430] ------------[ cut here ]------------
[ 104.282804][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 104.291781][ T430] Modules linked in:
[ 104.295671][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 104.306290][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 104.316379][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 104.322123][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 104.341838][ T430] RSP: 0018:ffffc9000161fba0 EFLAGS: 00010293
[ 104.347986][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 104.355998][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 104.364109][ T430] RBP: ffffc9000161fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 104.372255][ T430] R10: fffff520002c3f65 R11: 1ffff920002c3f64 R12: dffffc0000000000
[ 104.380229][ T430] R13: ffff88810e638a80 R14: ffffc9000161fc00 R15: 1ffff920002c3f7c
[ 104.388224][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 104.397166][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 104.403801][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 104.411823][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 104.419829][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 104.427862][ T430] Call Trace:
[ 104.431297][ T430]
[ 104.434228][ T430] ? __kasan_check_write+0x14/0x20
[ 104.439321][ T430] ? up_write+0xa1/0x190
[ 104.443591][ T430] ? vfs_submount+0xb0/0xb0
[ 104.448097][ T430] ? change_mnt_propagation+0x8de/0xbc0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 104.453673][ T430] namespace_unlock+0x448/0x4f0
[ 104.458805][ T430] ? umount_tree+0xf40/0xf40
[ 104.463417][ T430] ? __detach_mounts+0x670/0x670
[ 104.468339][ T430] ? selinux_umount+0xf3/0x130
[ 104.473136][ T430] ? security_sb_umount+0x9d/0xb0
[ 104.478243][ T430] path_umount+0xe89/0xf40
[ 104.482705][ T430] ? __kasan_slab_free+0x11/0x20
[ 104.487637][ T430] ? user_path_at_empty+0x152/0x1b0
[ 104.492856][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 104.497876][ T430] ? user_path_at_empty+0x152/0x1b0
[ 104.503111][ T430] __x64_sys_umount+0x122/0x170
[ 104.507981][ T430] ? path_umount+0xf40/0xf40
[ 104.512688][ T430] ? debug_smp_processor_id+0x17/0x20
[ 104.518066][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 104.523724][ T430] do_syscall_64+0x2f/0x50
[ 104.528155][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 104.534067][ T430] RIP: 0033:0x7f2a75dbd657
[ 104.538475][ 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
[ 104.558378][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 104.566820][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 104.574812][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 104.582802][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 104.590793][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 104.598761][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 104.606784][ T430]
[ 104.609796][ T430] ---[ end trace 0000000000000000 ]---
[ 104.615323][ T430] ------------[ cut here ]------------
[ 104.620828][ T430] WARNING: CPU: 0 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 104.629770][ T430] Modules linked in:
[ 104.631230][ T834] FAULT_INJECTION: forcing a failure.
[ 104.631230][ T834] name failslab, interval 1, probability 0, space 0, times 0
[ 104.634090][ T430] CPU: 0 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 104.647068][ T834] CPU: 1 PID: 834 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 104.657180][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 104.668331][ T834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 104.668342][ T834] Call Trace:
[ 104.668347][ T834]
[ 104.668353][ T834] dump_stack_lvl+0x151/0x1b7
[ 104.678537][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 104.688629][ T834] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 104.688658][ T834] dump_stack+0x15/0x17
[ 104.692008][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 104.694919][ T834] should_fail+0x3c0/0x510
[ 104.699653][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 104.705523][ T834] ? pids_css_alloc+0x4e/0x120
[ 104.705543][ T834] __should_failslab+0x9f/0xe0
[ 104.711159][ T430]
[ 104.716058][ T834] should_failslab+0x9/0x20
[ 104.735920][ T430] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd14300
[ 104.740306][ T834] kmem_cache_alloc_trace+0x4a/0x320
[ 104.746714][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 104.751435][ T834] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 104.756186][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 104.758675][ T834] pids_css_alloc+0x4e/0x120
[ 104.763164][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 104.771193][ T834] cgroup_apply_control_enable+0x335/0x10c0
[ 104.771216][ T834] cgroup_apply_control+0x93/0x710
[ 104.776643][ T430] R13: ffff88810e638a80 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 104.784603][ T834] ? css_next_child+0x160/0x160
[ 104.784631][ T834] ? wake_bit_function+0x230/0x230
[ 104.784649][ T834] ? kernfs_fop_write_iter+0x15b/0x410
[ 104.789833][ T430] FS: 000055555660f400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 104.797783][ T834] ? __kasan_check_write+0x14/0x20
[ 104.797802][ T834] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 104.802424][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 104.810357][ T834] cgroup_subtree_control_write+0xdde/0x1340
[ 104.816416][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506b0
[ 104.821570][ T834] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 104.829532][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 104.834349][ T834] ? __kasan_check_write+0x14/0x20
[ 104.834367][ T834] ? _copy_from_iter+0x360/0xed0
[ 104.839455][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 104.845252][ T834] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 104.845272][ T834] cgroup_file_write+0x28e/0x590
[ 104.854276][ T430] Call Trace:
[ 104.859368][ T834] ? cgroup_seqfile_stop+0xc0/0xc0
[ 104.864649][ T430]
[ 104.872235][ T834] ? bit_wait_io_timeout+0x110/0x110
[ 104.878198][ T430] ? lockref_get_or_lock+0x340/0x340
[ 104.886499][ T834] ? __kasan_check_write+0x14/0x20
[ 104.886517][ T834] kernfs_fop_write_iter+0x2cd/0x410
[ 104.892491][ T430] ? umount_tree+0xf40/0xf40
[ 104.900430][ T834] ? cgroup_seqfile_stop+0xc0/0xc0
[ 104.905758][ T430] ? vfs_submount+0xb0/0xb0
[ 104.910659][ T834] vfs_write+0xbb4/0xf30
[ 104.918800][ T430] ? dput+0x2b6/0x320
[ 104.925098][ T834] ? file_end_write+0x1b0/0x1b0
[ 104.925131][ T834] ? mutex_lock+0xec/0x130
[ 104.925147][ T834] ? bit_wait_io_timeout+0x110/0x110
[ 104.930161][ T430] path_umount+0x1e0/0xf40
[ 104.933438][ T834] ? __fdget_pos+0x26d/0x310
[ 104.933454][ T834] ? ksys_write+0x77/0x2c0
[ 104.938718][ T430] ? __kasan_slab_free+0x11/0x20
[ 104.941631][ T834] ksys_write+0x198/0x2c0
[ 104.941650][ T834] ? __ia32_sys_read+0x90/0x90
[ 104.946992][ T430] ? user_path_at_empty+0x152/0x1b0
[ 104.952342][ T834] ? debug_smp_processor_id+0x17/0x20
[ 104.952361][ T834] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 104.957550][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 104.963414][ T834] __x64_sys_write+0x7b/0x90
[ 104.963433][ T834] do_syscall_64+0x2f/0x50
[ 104.967997][ T430] ? user_path_at_empty+0x152/0x1b0
[ 104.973082][ T834] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 104.973103][ T834] RIP: 0033:0x7f2a75dbc249
[ 104.977614][ T430] __x64_sys_umount+0x122/0x170
[ 104.981839][ T834] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 104.981855][ T834] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246
[ 104.985815][ T430] ? path_umount+0xf40/0xf40
[ 104.990638][ T834] ORIG_RAX: 0000000000000001
[ 104.995137][ T430] ? debug_smp_processor_id+0x17/0x20
[ 105.000550][ T834] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 105.004963][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 105.009705][ T834] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 105.014108][ T430] do_syscall_64+0x2f/0x50
[ 105.019001][ T834] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 105.023343][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 105.028060][ T834] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 105.033270][ T430] RIP: 0033:0x7f2a75dbd657
[ 105.038586][ T834] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 105.044829][ 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
[ 105.049818][ T834]
[ 105.054391][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 105.212279][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 105.220324][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 105.228298][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 105.236274][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 105.244246][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 105.252235][ T430]
[ 105.255253][ T430] ---[ end trace 0000000000000000 ]---
[ 105.311298][ T841] FAULT_INJECTION: forcing a failure.
[ 105.311298][ T841] name failslab, interval 1, probability 0, space 0, times 0
[ 105.323953][ T841] CPU: 1 PID: 841 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 105.334538][ T841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 105.344579][ T841] Call Trace:
[ 105.347856][ T841]
[ 105.350774][ T841] dump_stack_lvl+0x151/0x1b7
[ 105.355435][ T841] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 105.360870][ T841] ? pcpu_alloc+0xe83/0x1420
[ 105.365450][ T841] dump_stack+0x15/0x17
[ 105.369610][ T841] should_fail+0x3c0/0x510
[ 105.374034][ T841] ? percpu_ref_init+0xc9/0x350
[ 105.378879][ T841] __should_failslab+0x9f/0xe0
[ 105.383633][ T841] should_failslab+0x9/0x20
[ 105.388134][ T841] kmem_cache_alloc_trace+0x4a/0x320
[ 105.393418][ T841] ? cgroup_setup_root+0xec0/0xec0
[ 105.398528][ T841] percpu_ref_init+0xc9/0x350
[ 105.403213][ T841] ? cgroup_setup_root+0xec0/0xec0
[ 105.408316][ T841] cgroup_apply_control_enable+0x383/0x10c0
[ 105.414207][ T841] cgroup_apply_control+0x93/0x710
[ 105.419304][ T841] ? css_next_child+0x160/0x160
[ 105.424146][ T841] ? wake_bit_function+0x230/0x230
[ 105.429241][ T841] ? kernfs_fop_write_iter+0x15b/0x410
[ 105.434676][ T841] ? __kasan_check_write+0x14/0x20
[ 105.439777][ T841] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 105.445055][ T841] cgroup_subtree_control_write+0xdde/0x1340
[ 105.451054][ T841] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 105.457026][ T841] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 105.462129][ T841] ? _copy_from_iter+0x360/0xed0
[ 105.467047][ T841] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 105.473098][ T841] cgroup_file_write+0x28e/0x590
[ 105.478218][ T841] ? cgroup_seqfile_stop+0xc0/0xc0
[ 105.483324][ T841] ? bit_wait_io_timeout+0x110/0x110
[ 105.488607][ T841] ? __kasan_check_write+0x14/0x20
[ 105.493732][ T841] kernfs_fop_write_iter+0x2cd/0x410
[ 105.499123][ T841] ? cgroup_seqfile_stop+0xc0/0xc0
[ 105.504557][ T841] vfs_write+0xbb4/0xf30
[ 105.509044][ T841] ? file_end_write+0x1b0/0x1b0
[ 105.513907][ T841] ? mutex_lock+0xec/0x130
[ 105.518307][ T841] ? bit_wait_io_timeout+0x110/0x110
[ 105.523805][ T841] ? __fdget_pos+0x26d/0x310
[ 105.529598][ T841] ? ksys_write+0x77/0x2c0
[ 105.534001][ T841] ksys_write+0x198/0x2c0
[ 105.538321][ T841] ? __ia32_sys_read+0x90/0x90
[ 105.543065][ T841] ? debug_smp_processor_id+0x17/0x20
[ 105.548420][ T841] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 105.554686][ T841] __x64_sys_write+0x7b/0x90
[ 105.559353][ T841] do_syscall_64+0x2f/0x50
[ 105.563879][ T841] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 105.569759][ T841] RIP: 0033:0x7f2a75dbc249
[ 105.574154][ T841] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 105.594227][ T841] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 105.602701][ T841] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 105.610675][ T841] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 105.618656][ T841] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 105.626710][ T841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 105.635018][ T841] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 105.643166][ T841]
[ 105.691336][ T838] FAULT_INJECTION: forcing a failure.
[ 105.691336][ T838] name failslab, interval 1, probability 0, space 0, times 0
[ 105.703995][ T838] CPU: 1 PID: 838 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 105.714687][ T838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 105.724911][ T838] Call Trace:
[ 105.728274][ T838]
[ 105.731197][ T838] dump_stack_lvl+0x151/0x1b7
[ 105.735870][ T838] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 105.741436][ T838] ? selinux_kernfs_init_security+0x1a8/0x760
[ 105.747507][ T838] dump_stack+0x15/0x17
[ 105.751654][ T838] should_fail+0x3c0/0x510
[ 105.756086][ T838] ? __kernfs_new_node+0x99/0x6e0
[ 105.761148][ T838] __should_failslab+0x9f/0xe0
[ 105.766296][ T838] should_failslab+0x9/0x20
[ 105.770791][ T838] __kmalloc_track_caller+0x6c/0x340
[ 105.776071][ T838] kstrdup_const+0x55/0x90
[ 105.780488][ T838] __kernfs_new_node+0x99/0x6e0
[ 105.785325][ T838] ? stack_trace_save+0x1f0/0x1f0
[ 105.790457][ T838] ? kernfs_new_node+0x170/0x170
[ 105.795401][ T838] ? ptr_to_hashval+0x60/0x60
[ 105.800131][ T838] ? arch_stack_walk+0xf8/0x140
[ 105.805513][ T838] ? snprintf+0xd6/0x120
[ 105.809755][ T838] kernfs_new_node+0x97/0x170
[ 105.814670][ T838] __kernfs_create_file+0x4a/0x270
[ 105.819881][ T838] cgroup_addrm_files+0xab8/0xfe0
[ 105.825027][ T838] ? ____kasan_kmalloc+0xdc/0x110
[ 105.830034][ T838] ? __kasan_kmalloc+0x9/0x10
[ 105.835321][ T838] ? kmem_cache_alloc_trace+0x1f0/0x320
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 105.841964][ T838] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 105.848201][ T838] ? delete_node+0x759/0x7b0
[ 105.852780][ T838] ? __kasan_check_read+0x11/0x20
[ 105.857792][ T838] ? delete_node+0x759/0x7b0
[ 105.862374][ T838] ? __kasan_check_write+0x14/0x20
[ 105.867574][ T838] ? idr_replace+0x1c4/0x230
[ 105.872336][ T838] ? idr_get_next+0x4b0/0x4b0
[ 105.876991][ T838] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 105.882004][ T838] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 105.887804][ T838] css_populate_dir+0x137/0x370
[ 105.892652][ T838] cgroup_apply_control_enable+0x889/0x10c0
[ 105.898647][ T838] cgroup_apply_control+0x93/0x710
[ 105.903753][ T838] ? css_next_child+0x160/0x160
[ 105.908592][ T838] ? wake_bit_function+0x230/0x230
[ 105.913716][ T838] ? kernfs_fop_write_iter+0x15b/0x410
[ 105.919199][ T838] ? __kasan_check_write+0x14/0x20
[ 105.924321][ T838] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 105.929602][ T838] cgroup_subtree_control_write+0xdde/0x1340
[ 105.935576][ T838] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 105.941570][ T838] ? __kasan_check_write+0x14/0x20
[ 105.946672][ T838] ? _copy_from_iter+0x360/0xed0
[ 105.951596][ T838] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 105.957572][ T838] cgroup_file_write+0x28e/0x590
[ 105.962514][ T838] ? cgroup_seqfile_stop+0xc0/0xc0
[ 105.967658][ T838] ? bit_wait_io_timeout+0x110/0x110
[ 105.972930][ T838] ? __kasan_check_write+0x14/0x20
[ 105.978023][ T838] kernfs_fop_write_iter+0x2cd/0x410
[ 105.983300][ T838] ? cgroup_seqfile_stop+0xc0/0xc0
[ 105.988392][ T838] vfs_write+0xbb4/0xf30
[ 105.992615][ T838] ? file_end_write+0x1b0/0x1b0
[ 105.997459][ T838] ? mutex_lock+0xb6/0x130
[ 106.001853][ T838] ? bit_wait_io_timeout+0x110/0x110
[ 106.007121][ T838] ? __fdget_pos+0x26d/0x310
[ 106.011686][ T838] ? ksys_write+0x77/0x2c0
[ 106.016097][ T838] ksys_write+0x198/0x2c0
[ 106.020419][ T838] ? __ia32_sys_read+0x90/0x90
[ 106.025181][ T838] ? debug_smp_processor_id+0x17/0x20
[ 106.030572][ T838] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 106.036617][ T838] __x64_sys_write+0x7b/0x90
[ 106.041195][ T838] do_syscall_64+0x2f/0x50
[ 106.045619][ T838] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 106.051539][ T838] RIP: 0033:0x7f2a75dbc249
[ 106.055986][ T838] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 106.075998][ T838] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 106.084399][ T838] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 106.092356][ T838] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 106.100413][ T838] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 106.108381][ T838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 106.116541][ T838] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 106.124502][ T838]
[ 106.127581][ T838] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 106.181304][ T845] FAULT_INJECTION: forcing a failure.
[ 106.181304][ T845] name failslab, interval 1, probability 0, space 0, times 0
[ 106.194116][ T845] CPU: 1 PID: 845 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 106.204712][ T845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 106.214758][ T845] Call Trace:
[ 106.218069][ T845]
[ 106.220996][ T845] dump_stack_lvl+0x151/0x1b7
[ 106.225672][ T845] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 106.231164][ T845] ? pcpu_alloc+0xe83/0x1420
[ 106.235747][ T845] dump_stack+0x15/0x17
[ 106.239894][ T845] should_fail+0x3c0/0x510
[ 106.244648][ T845] ? percpu_ref_init+0xc9/0x350
[ 106.249636][ T845] __should_failslab+0x9f/0xe0
[ 106.254394][ T845] should_failslab+0x9/0x20
[ 106.258894][ T845] kmem_cache_alloc_trace+0x4a/0x320
[ 106.264183][ T845] ? cgroup_setup_root+0xec0/0xec0
[ 106.269494][ T845] percpu_ref_init+0xc9/0x350
[ 106.274262][ T845] ? cgroup_setup_root+0xec0/0xec0
[ 106.279384][ T845] cgroup_apply_control_enable+0x383/0x10c0
[ 106.285262][ T845] cgroup_apply_control+0x93/0x710
[ 106.290361][ T845] ? css_next_child+0x160/0x160
[ 106.295291][ T845] ? wake_bit_function+0x230/0x230
[ 106.300424][ T845] ? kernfs_fop_write_iter+0x15b/0x410
[ 106.305968][ T845] ? __kasan_check_write+0x14/0x20
[ 106.311171][ T845] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 106.316472][ T845] cgroup_subtree_control_write+0xdde/0x1340
[ 106.322443][ T845] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 106.328469][ T845] ? __kasan_check_write+0x14/0x20
[ 106.333611][ T845] ? _copy_from_iter+0x360/0xed0
[ 106.338609][ T845] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 106.344571][ T845] cgroup_file_write+0x28e/0x590
[ 106.349490][ T845] ? cgroup_seqfile_stop+0xc0/0xc0
[ 106.354589][ T845] ? bit_wait_io_timeout+0x110/0x110
[ 106.359870][ T845] ? __kasan_check_write+0x14/0x20
[ 106.365018][ T845] kernfs_fop_write_iter+0x2cd/0x410
[ 106.370302][ T845] ? cgroup_seqfile_stop+0xc0/0xc0
[ 106.375406][ T845] vfs_write+0xbb4/0xf30
[ 106.379637][ T845] ? file_end_write+0x1b0/0x1b0
[ 106.384488][ T845] ? mutex_lock+0xb6/0x130
[ 106.388902][ T845] ? bit_wait_io_timeout+0x110/0x110
[ 106.394192][ T845] ? __fdget_pos+0x26d/0x310
[ 106.398785][ T845] ? ksys_write+0x77/0x2c0
[ 106.403190][ T845] ksys_write+0x198/0x2c0
[ 106.407517][ T845] ? save_fpregs_to_fpstate+0x210/0x210
[ 106.413103][ T845] ? __ia32_sys_read+0x90/0x90
[ 106.417962][ T845] ? debug_smp_processor_id+0x17/0x20
[ 106.423324][ T845] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 106.429371][ T845] __x64_sys_write+0x7b/0x90
[ 106.433955][ T845] do_syscall_64+0x2f/0x50
[ 106.438464][ T845] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 106.444357][ T845] RIP: 0033:0x7f2a75dbc249
[ 106.448873][ T845] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 106.468458][ T845] RSP: 002b:00007f2a75d601e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 106.476864][ T845] RAX: ffffffffffffffda RBX: 00007f2a75e394a8 RCX: 00007f2a75dbc249
[ 106.484831][ T845] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 106.492789][ T845] RBP: 00007f2a75d601f0 R08: 0000000000000002 R09: 0000000000003634
[ 106.500941][ T845] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 106.508895][ T845] R13: 00007ffe15c1098f R14: 00007f2a75d60300 R15: 0000000000022000
[ 106.516884][ T845]
[ 106.521858][ T432] ------------[ cut here ]------------
[ 106.527348][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 106.536489][ T432] Modules linked in:
[ 106.540750][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 106.551374][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 106.561478][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 106.567101][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 106.586818][ T432] RSP: 0018:ffffc9000163fba0 EFLAGS: 00010293
[ 106.592989][ T432] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810d27d3c0
[ 106.601107][ T432] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 106.609074][ T432] RBP: ffffc9000163fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 106.617436][ T432] R10: fffff520002c7f65 R11: 1ffff920002c7f64 R12: dffffc0000000000
[ 106.625435][ T432] R13: ffff888110886600 R14: ffffc9000163fc00 R15: 1ffff920002c7f7c
[ 106.633682][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 106.642621][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 106.649204][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 106.657290][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 106.665347][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 106.673431][ T432] Call Trace:
[ 106.676700][ T432]
[ 106.679621][ T432] ? __kasan_check_write+0x14/0x20
[ 106.684742][ T432] ? up_write+0xa1/0x190
[ 106.688974][ T432] ? vfs_submount+0xb0/0xb0
[ 106.693487][ T432] ? change_mnt_propagation+0x8de/0xbc0
[ 106.699029][ T432] namespace_unlock+0x448/0x4f0
[ 106.703989][ T432] ? umount_tree+0xf40/0xf40
[ 106.708591][ T432] ? __detach_mounts+0x670/0x670
[ 106.713580][ T432] ? selinux_umount+0xf3/0x130
[ 106.718342][ T432] ? security_sb_umount+0x9d/0xb0
[ 106.723492][ T432] path_umount+0xe89/0xf40
[ 106.728001][ T432] ? __kasan_slab_free+0x11/0x20
[ 106.732947][ T432] ? user_path_at_empty+0x152/0x1b0
[ 106.738135][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 106.743161][ T432] ? user_path_at_empty+0x152/0x1b0
[ 106.748353][ T432] __x64_sys_umount+0x122/0x170
[ 106.753203][ T432] ? path_umount+0xf40/0xf40
[ 106.757986][ T432] ? debug_smp_processor_id+0x17/0x20
[ 106.763448][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 106.769077][ T432] do_syscall_64+0x2f/0x50
[ 106.773502][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 106.779389][ T432] RIP: 0033:0x7f2a75dbd657
[ 106.783898][ T432] 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
[ 106.803776][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 106.812220][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 106.820184][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 106.828248][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 106.836218][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 106.844201][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 106.852523][ T432]
[ 106.855529][ T432] ---[ end trace 0000000000000000 ]---
[ 106.861026][ T432] ------------[ cut here ]------------
[ 106.866467][ T432] WARNING: CPU: 1 PID: 432 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 106.875445][ T432] Modules linked in:
[ 106.879330][ T432] CPU: 1 PID: 432 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 106.889988][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 106.900407][ T432] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 106.906042][ T432] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 106.925735][ T432] RSP: 0018:ffffc9000163fca0 EFLAGS: 00010293
[ 106.931803][ T432] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810d27d3c0
[ 106.939861][ T432] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 106.947833][ T432] RBP: ffffc9000163fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 106.955804][ T432] R10: fffff520002c7f85 R11: 1ffff920002c7f84 R12: dffffc0000000000
[ 106.963774][ T432] R13: ffff888110886600 R14: ffffc9000163fd00 R15: 1ffff920002c7f9c
[ 106.971745][ T432] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 106.980668][ T432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 106.987261][ T432] CR2: 0000555556619738 CR3: 00000001210ae000 CR4: 00000000003506a0
[ 106.995497][ T432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 107.003487][ T432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 107.011474][ T432] Call Trace:
[ 107.014755][ T432]
[ 107.017689][ T432] ? lockref_get_or_lock+0x340/0x340
[ 107.023087][ T432] ? umount_tree+0xf40/0xf40
[ 107.027672][ T432] ? vfs_submount+0xb0/0xb0
[ 107.032178][ T432] ? dput+0x2b6/0x320
[ 107.036152][ T432] path_umount+0x1e0/0xf40
[ 107.040560][ T432] ? __kasan_slab_free+0x11/0x20
[ 107.045501][ T432] ? user_path_at_empty+0x152/0x1b0
[ 107.050688][ T432] ? namespace_unlock+0x4f0/0x4f0
[ 107.055716][ T432] ? user_path_at_empty+0x152/0x1b0
[ 107.060918][ T432] __x64_sys_umount+0x122/0x170
[ 107.065849][ T432] ? path_umount+0xf40/0xf40
[ 107.070425][ T432] ? debug_smp_processor_id+0x17/0x20
[ 107.075897][ T432] ? exit_to_user_mode_prepare+0x3a/0x80
[ 107.081538][ T432] do_syscall_64+0x2f/0x50
[ 107.086030][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 107.091926][ T432] RIP: 0033:0x7f2a75dbd657
[ 107.096336][ T432] 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
[ 107.116299][ T432] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 107.124714][ T432] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 107.132770][ T432] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 107.140749][ T432] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 107.149495][ T432] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 107.157461][ T432] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 107.165530][ T432]
[ 107.168542][ T432] ---[ end trace 0000000000000000 ]---
[ 107.174647][ T836] FAULT_INJECTION: forcing a failure.
[ 107.174647][ T836] name failslab, interval 1, probability 0, space 0, times 0
[ 107.187569][ T836] CPU: 1 PID: 836 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 107.198328][ T836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 107.208731][ T836] Call Trace:
[ 107.212004][ T836]
[ 107.214939][ T836] dump_stack_lvl+0x151/0x1b7
[ 107.219801][ T836] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 107.225260][ T836] ? selinux_kernfs_init_security+0x1a8/0x760
[ 107.231429][ T836] dump_stack+0x15/0x17
[ 107.235589][ T836] should_fail+0x3c0/0x510
[ 107.240013][ T836] __should_failslab+0x9f/0xe0
[ 107.244959][ T836] should_failslab+0x9/0x20
[ 107.249475][ T836] kmem_cache_alloc+0x4f/0x300
[ 107.254226][ T836] ? __kernfs_new_node+0xdb/0x6e0
[ 107.260121][ T836] __kernfs_new_node+0xdb/0x6e0
[ 107.265054][ T836] ? stack_trace_save+0x1f0/0x1f0
[ 107.270455][ T836] ? kernfs_new_node+0x170/0x170
[ 107.275487][ T836] ? ptr_to_hashval+0x60/0x60
[ 107.280194][ T836] ? up_read+0x1b0/0x1b0
[ 107.284438][ T836] ? snprintf+0xd6/0x120
[ 107.288689][ T836] kernfs_new_node+0x97/0x170
[ 107.293381][ T836] __kernfs_create_file+0x4a/0x270
[ 107.298624][ T836] cgroup_addrm_files+0xab8/0xfe0
[ 107.303643][ T836] ? ____kasan_kmalloc+0xdc/0x110
[ 107.311267][ T836] ? __kasan_kmalloc+0x9/0x10
[ 107.315930][ T836] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 107.321474][ T836] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 107.327750][ T836] ? delete_node+0x759/0x7b0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 107.332339][ T836] ? __kasan_check_read+0x11/0x20
[ 107.337457][ T836] ? idr_replace+0x1c4/0x230
[ 107.342150][ T836] ? idr_get_next+0x4b0/0x4b0
[ 107.346897][ T836] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 107.351926][ T836] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 107.357108][ T836] css_populate_dir+0x137/0x370
[ 107.361944][ T836] cgroup_apply_control_enable+0x889/0x10c0
[ 107.367927][ T836] cgroup_apply_control+0x93/0x710
[ 107.373027][ T836] ? css_next_child+0x160/0x160
[ 107.377863][ T836] ? wake_bit_function+0x230/0x230
[ 107.383082][ T836] ? kernfs_fop_write_iter+0x15b/0x410
[ 107.388521][ T836] ? __kasan_check_write+0x14/0x20
[ 107.393615][ T836] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 107.398980][ T836] cgroup_subtree_control_write+0xdde/0x1340
[ 107.405050][ T836] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 107.411543][ T836] ? __kasan_check_write+0x14/0x20
[ 107.416748][ T836] ? _copy_from_iter+0x360/0xed0
[ 107.421830][ T836] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 107.427825][ T836] cgroup_file_write+0x28e/0x590
[ 107.432846][ T836] ? cgroup_seqfile_stop+0xc0/0xc0
[ 107.437945][ T836] ? bit_wait_io_timeout+0x110/0x110
[ 107.443242][ T836] ? __kasan_check_write+0x14/0x20
[ 107.448370][ T836] kernfs_fop_write_iter+0x2cd/0x410
[ 107.453642][ T836] ? cgroup_seqfile_stop+0xc0/0xc0
[ 107.458737][ T836] vfs_write+0xbb4/0xf30
[ 107.462977][ T836] ? file_end_write+0x1b0/0x1b0
[ 107.467816][ T836] ? mutex_lock+0xec/0x130
[ 107.472307][ T836] ? bit_wait_io_timeout+0x110/0x110
[ 107.477662][ T836] ? __fdget_pos+0x26d/0x310
[ 107.482241][ T836] ? ksys_write+0x77/0x2c0
[ 107.486729][ T836] ksys_write+0x198/0x2c0
[ 107.491043][ T836] ? __ia32_sys_read+0x90/0x90
[ 107.495808][ T836] ? debug_smp_processor_id+0x17/0x20
[ 107.501248][ T836] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 107.507298][ T836] __x64_sys_write+0x7b/0x90
[ 107.511878][ T836] do_syscall_64+0x2f/0x50
[ 107.516284][ T836] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 107.522341][ T836] RIP: 0033:0x7f2a75dbc249
[ 107.526740][ T836] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 107.546687][ T836] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 107.555100][ T836] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 107.563156][ T836] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 107.571118][ T836] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 107.579330][ T836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 107.587468][ T836] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 107.595439][ T836]
[ 107.598756][ T836] cgroup: cgroup_addrm_files: failed to add events, err=-12
[ 107.641511][ T849] FAULT_INJECTION: forcing a failure.
[ 107.641511][ T849] name failslab, interval 1, probability 0, space 0, times 0
[ 107.654349][ T849] CPU: 0 PID: 849 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 107.665268][ T849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 107.675746][ T849] Call Trace:
[ 107.679029][ T849]
[ 107.682127][ T849] dump_stack_lvl+0x151/0x1b7
[ 107.686900][ T849] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 107.692540][ T849] ? pcpu_alloc+0xe83/0x1420
[ 107.697130][ T849] dump_stack+0x15/0x17
[ 107.701283][ T849] should_fail+0x3c0/0x510
[ 107.705686][ T849] ? percpu_ref_init+0xc9/0x350
[ 107.710520][ T849] __should_failslab+0x9f/0xe0
[ 107.715531][ T849] should_failslab+0x9/0x20
[ 107.720027][ T849] kmem_cache_alloc_trace+0x4a/0x320
[ 107.725310][ T849] ? cgroup_setup_root+0xec0/0xec0
[ 107.730410][ T849] percpu_ref_init+0xc9/0x350
[ 107.735187][ T849] ? cgroup_setup_root+0xec0/0xec0
[ 107.740318][ T849] cgroup_apply_control_enable+0x383/0x10c0
[ 107.746544][ T849] cgroup_apply_control+0x93/0x710
[ 107.751649][ T849] ? css_next_child+0x160/0x160
[ 107.756506][ T849] ? wake_bit_function+0x230/0x230
[ 107.761852][ T849] ? kernfs_fop_write_iter+0x15b/0x410
[ 107.767295][ T849] ? __kasan_check_write+0x14/0x20
[ 107.772405][ T849] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 107.777706][ T849] cgroup_subtree_control_write+0xdde/0x1340
[ 107.783675][ T849] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 107.789736][ T849] ? __kasan_check_write+0x14/0x20
[ 107.796393][ T849] ? _copy_from_iter+0x360/0xed0
[ 107.801312][ T849] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 107.807274][ T849] cgroup_file_write+0x28e/0x590
[ 107.812197][ T849] ? cgroup_seqfile_stop+0xc0/0xc0
[ 107.817402][ T849] ? bit_wait_io_timeout+0x110/0x110
[ 107.822766][ T849] ? __kasan_check_write+0x14/0x20
[ 107.827869][ T849] kernfs_fop_write_iter+0x2cd/0x410
[ 107.833506][ T849] ? cgroup_seqfile_stop+0xc0/0xc0
[ 107.838634][ T849] vfs_write+0xbb4/0xf30
[ 107.842864][ T849] ? file_end_write+0x1b0/0x1b0
[ 107.847897][ T849] ? mutex_lock+0xec/0x130
[ 107.852391][ T849] ? bit_wait_io_timeout+0x110/0x110
[ 107.857680][ T849] ? __fdget_pos+0x26d/0x310
[ 107.862270][ T849] ? ksys_write+0x77/0x2c0
[ 107.866674][ T849] ksys_write+0x198/0x2c0
[ 107.870984][ T849] ? __ia32_sys_read+0x90/0x90
[ 107.875728][ T849] ? debug_smp_processor_id+0x17/0x20
[ 107.881433][ T849] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 107.887480][ T849] __x64_sys_write+0x7b/0x90
[ 107.892072][ T849] do_syscall_64+0x2f/0x50
[ 107.896473][ T849] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 107.902351][ T849] RIP: 0033:0x7f2a75dbc249
[ 107.906776][ T849] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 107.926642][ T849] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 107.935077][ T849] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 107.943047][ T849] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 107.951013][ T849] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 107.958965][ T849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 107.966941][ T849] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 107.974900][ T849]
[ 108.031308][ T852] FAULT_INJECTION: forcing a failure.
[ 108.031308][ T852] name failslab, interval 1, probability 0, space 0, times 0
[ 108.044143][ T852] CPU: 0 PID: 852 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 108.054983][ T852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 108.065031][ T852] Call Trace:
[ 108.068304][ T852]
[ 108.071224][ T852] dump_stack_lvl+0x151/0x1b7
[ 108.075975][ T852] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 108.081629][ T852] dump_stack+0x15/0x17
[ 108.085946][ T852] should_fail+0x3c0/0x510
[ 108.090740][ T852] ? pids_css_alloc+0x4e/0x120
[ 108.095853][ T852] __should_failslab+0x9f/0xe0
[ 108.100692][ T852] should_failslab+0x9/0x20
[ 108.105182][ T852] kmem_cache_alloc_trace+0x4a/0x320
[ 108.110551][ T852] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 108.115740][ T852] pids_css_alloc+0x4e/0x120
[ 108.120508][ T852] cgroup_apply_control_enable+0x335/0x10c0
[ 108.126385][ T852] cgroup_apply_control+0x93/0x710
[ 108.131483][ T852] ? css_next_child+0x160/0x160
[ 108.136312][ T852] ? wake_bit_function+0x230/0x230
[ 108.141499][ T852] ? kernfs_fop_write_iter+0x15b/0x410
[ 108.146938][ T852] ? __kasan_check_write+0x14/0x20
[ 108.152037][ T852] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 108.157321][ T852] cgroup_subtree_control_write+0xdde/0x1340
[ 108.163471][ T852] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 108.169526][ T852] ? __kasan_check_write+0x14/0x20
[ 108.174653][ T852] ? _copy_from_iter+0x360/0xed0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 108.179675][ T852] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 108.185904][ T852] cgroup_file_write+0x28e/0x590
[ 108.190937][ T852] ? cgroup_seqfile_stop+0xc0/0xc0
[ 108.196211][ T852] ? bit_wait_io_timeout+0x110/0x110
[ 108.201595][ T852] ? __kasan_check_write+0x14/0x20
[ 108.206869][ T852] kernfs_fop_write_iter+0x2cd/0x410
[ 108.212237][ T852] ? cgroup_seqfile_stop+0xc0/0xc0
[ 108.217534][ T852] vfs_write+0xbb4/0xf30
[ 108.222025][ T852] ? file_end_write+0x1b0/0x1b0
[ 108.226875][ T852] ? mutex_lock+0xec/0x130
[ 108.231274][ T852] ? bit_wait_io_timeout+0x110/0x110
[ 108.237071][ T852] ? __fdget_pos+0x26d/0x310
[ 108.241933][ T852] ? ksys_write+0x77/0x2c0
[ 108.246343][ T852] ksys_write+0x198/0x2c0
[ 108.250923][ T852] ? __ia32_sys_read+0x90/0x90
[ 108.255992][ T852] ? debug_smp_processor_id+0x17/0x20
[ 108.261968][ T852] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 108.268065][ T852] __x64_sys_write+0x7b/0x90
[ 108.272641][ T852] do_syscall_64+0x2f/0x50
[ 108.277055][ T852] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 108.283047][ T852] RIP: 0033:0x7f2a75dbc249
[ 108.287442][ T852] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 108.307464][ T852] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 108.315955][ T852] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 108.324007][ T852] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 108.331989][ T852] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 108.340137][ T852] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 108.348094][ T852] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 108.356174][ T852]
[ 108.361078][ T429] ------------[ cut here ]------------
[ 108.366823][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 108.375793][ T429] Modules linked in:
[ 108.379712][ T429] CPU: 1 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 108.391023][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 108.401344][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 108.407241][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 108.427279][ T429] RSP: 0018:ffffc9000160fba0 EFLAGS: 00010293
[ 108.433499][ T429] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810dd310c0
[ 108.442110][ T429] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 108.450448][ T429] RBP: ffffc9000160fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 108.458458][ T429] R10: fffff520002c1f65 R11: 1ffff920002c1f64 R12: dffffc0000000000
[ 108.466447][ T429] R13: ffff888110887980 R14: ffffc9000160fc00 R15: 1ffff920002c1f7c
[ 108.474698][ T429] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 108.483810][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 108.490555][ T429] CR2: 0000555556619738 CR3: 0000000120e48000 CR4: 00000000003506a0
[ 108.498730][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 108.506814][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 108.514820][ T429] Call Trace:
[ 108.518094][ T429]
[ 108.521217][ T429] ? __kasan_check_write+0x14/0x20
[ 108.526342][ T429] ? up_write+0xa1/0x190
[ 108.530670][ T429] ? vfs_submount+0xb0/0xb0
[ 108.535189][ T429] ? change_mnt_propagation+0x8de/0xbc0
[ 108.540764][ T429] namespace_unlock+0x448/0x4f0
[ 108.545604][ T429] ? umount_tree+0xf40/0xf40
[ 108.550192][ T429] ? __detach_mounts+0x670/0x670
[ 108.555249][ T429] ? selinux_umount+0xf3/0x130
[ 108.560014][ T429] ? security_sb_umount+0x9d/0xb0
[ 108.565224][ T429] path_umount+0xe89/0xf40
[ 108.570417][ T429] ? __kasan_slab_free+0x11/0x20
[ 108.575639][ T429] ? user_path_at_empty+0x152/0x1b0
[ 108.580870][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 108.585893][ T429] ? user_path_at_empty+0x152/0x1b0
[ 108.591126][ T429] __x64_sys_umount+0x122/0x170
[ 108.596022][ T429] ? path_umount+0xf40/0xf40
[ 108.600687][ T429] ? debug_smp_processor_id+0x17/0x20
[ 108.609765][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 108.615440][ T429] do_syscall_64+0x2f/0x50
[ 108.619860][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 108.625779][ T429] RIP: 0033:0x7f2a75dbd657
[ 108.630189][ 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
[ 108.649828][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 108.658375][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 108.666460][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 108.674564][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 108.682567][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 108.690530][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 108.698551][ T429]
[ 108.701771][ T429] ---[ end trace 0000000000000000 ]---
[ 108.707310][ T429] ------------[ cut here ]------------
[ 108.712791][ T429] WARNING: CPU: 1 PID: 429 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 108.721821][ T429] Modules linked in:
[ 108.725886][ T429] CPU: 1 PID: 429 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 108.736587][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 108.746647][ T429] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 108.752320][ T429] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 108.771968][ T429] RSP: 0018:ffffc9000160fca0 EFLAGS: 00010293
[ 108.778041][ T429] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810dd310c0
[ 108.786017][ T429] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 108.794336][ T429] RBP: ffffc9000160fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 108.802307][ T429] R10: fffff520002c1f85 R11: 1ffff920002c1f84 R12: dffffc0000000000
[ 108.810265][ T429] R13: ffff888110887980 R14: ffffc9000160fd00 R15: 1ffff920002c1f9c
[ 108.818239][ T429] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 108.827175][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 108.833758][ T429] CR2: 0000555556619738 CR3: 0000000120e48000 CR4: 00000000003506a0
[ 108.841741][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 108.849786][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 108.857764][ T429] Call Trace:
[ 108.861058][ T429]
[ 108.863988][ T429] ? lockref_get_or_lock+0x340/0x340
[ 108.869282][ T429] ? umount_tree+0xf40/0xf40
[ 108.873876][ T429] ? vfs_submount+0xb0/0xb0
[ 108.878457][ T429] ? dput+0x2b6/0x320
[ 108.882523][ T429] path_umount+0x1e0/0xf40
[ 108.887018][ T429] ? __kasan_slab_free+0x11/0x20
[ 108.891970][ T429] ? user_path_at_empty+0x152/0x1b0
[ 108.897167][ T429] ? namespace_unlock+0x4f0/0x4f0
[ 108.902193][ T429] ? user_path_at_empty+0x152/0x1b0
[ 108.907387][ T429] __x64_sys_umount+0x122/0x170
[ 108.912245][ T429] ? path_umount+0xf40/0xf40
[ 108.916828][ T429] ? debug_smp_processor_id+0x17/0x20
[ 108.922214][ T429] ? exit_to_user_mode_prepare+0x3a/0x80
[ 108.927858][ T429] do_syscall_64+0x2f/0x50
[ 108.932287][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 108.938171][ T429] RIP: 0033:0x7f2a75dbd657
[ 108.942591][ 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
[ 108.962630][ T429] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 108.971396][ T429] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 108.979454][ T429] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 108.987684][ T429] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 108.995659][ T429] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 109.003632][ T429] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 109.011635][ T429]
[ 109.014648][ T429] ---[ end trace 0000000000000000 ]---
[ 109.021407][ T860] FAULT_INJECTION: forcing a failure.
[ 109.021407][ T860] name failslab, interval 1, probability 0, space 0, times 0
[ 109.034133][ T860] CPU: 0 PID: 860 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 109.045313][ T860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 109.055526][ T860] Call Trace:
[ 109.058793][ T860]
[ 109.061711][ T860] dump_stack_lvl+0x151/0x1b7
[ 109.066384][ T860] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 109.072710][ T860] ? pcpu_alloc+0xe83/0x1420
[ 109.077296][ T860] dump_stack+0x15/0x17
[ 109.081443][ T860] should_fail+0x3c0/0x510
[ 109.085852][ T860] ? percpu_ref_init+0xc9/0x350
[ 109.090777][ T860] __should_failslab+0x9f/0xe0
[ 109.095544][ T860] should_failslab+0x9/0x20
[ 109.100040][ T860] kmem_cache_alloc_trace+0x4a/0x320
[ 109.105490][ T860] ? cgroup_setup_root+0xec0/0xec0
[ 109.110682][ T860] percpu_ref_init+0xc9/0x350
[ 109.115350][ T860] ? cgroup_setup_root+0xec0/0xec0
[ 109.120534][ T860] cgroup_apply_control_enable+0x383/0x10c0
[ 109.126417][ T860] cgroup_apply_control+0x93/0x710
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 109.132035][ T860] ? css_next_child+0x160/0x160
[ 109.136982][ T860] ? wake_bit_function+0x230/0x230
[ 109.142253][ T860] ? kernfs_fop_write_iter+0x15b/0x410
[ 109.147715][ T860] ? __kasan_check_write+0x14/0x20
[ 109.152838][ T860] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 109.158120][ T860] cgroup_subtree_control_write+0xdde/0x1340
[ 109.164132][ T860] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 109.170192][ T860] ? __kasan_check_write+0x14/0x20
[ 109.175514][ T860] ? _copy_from_iter+0x360/0xed0
[ 109.180523][ T860] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 109.186580][ T860] cgroup_file_write+0x28e/0x590
[ 109.191646][ T860] ? cgroup_seqfile_stop+0xc0/0xc0
[ 109.196833][ T860] ? bit_wait_io_timeout+0x110/0x110
[ 109.202367][ T860] ? __kasan_check_write+0x14/0x20
[ 109.207990][ T860] kernfs_fop_write_iter+0x2cd/0x410
[ 109.213438][ T860] ? cgroup_seqfile_stop+0xc0/0xc0
[ 109.218541][ T860] vfs_write+0xbb4/0xf30
[ 109.222862][ T860] ? file_end_write+0x1b0/0x1b0
[ 109.227882][ T860] ? mutex_lock+0xec/0x130
[ 109.232289][ T860] ? bit_wait_io_timeout+0x110/0x110
[ 109.237578][ T860] ? __fdget_pos+0x26d/0x310
[ 109.242328][ T860] ? ksys_write+0x77/0x2c0
[ 109.247076][ T860] ksys_write+0x198/0x2c0
[ 109.251585][ T860] ? __ia32_sys_read+0x90/0x90
[ 109.256529][ T860] ? debug_smp_processor_id+0x17/0x20
[ 109.261904][ T860] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 109.268117][ T860] __x64_sys_write+0x7b/0x90
[ 109.272798][ T860] do_syscall_64+0x2f/0x50
[ 109.277202][ T860] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 109.283335][ T860] RIP: 0033:0x7f2a75dbc249
[ 109.287868][ T860] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 109.307918][ T860] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 109.316412][ T860] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 109.324396][ T860] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 109.332369][ T860] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 109.340376][ T860] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 109.348433][ T860] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 109.356418][ T860]
[ 109.391157][ T846] FAULT_INJECTION: forcing a failure.
[ 109.391157][ T846] name failslab, interval 1, probability 0, space 0, times 0
[ 109.404147][ T846] CPU: 1 PID: 846 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 109.414897][ T846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 109.425036][ T846] Call Trace:
[ 109.428304][ T846]
[ 109.431467][ T846] dump_stack_lvl+0x151/0x1b7
[ 109.436240][ T846] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 109.441949][ T846] dump_stack+0x15/0x17
[ 109.446091][ T846] should_fail+0x3c0/0x510
[ 109.450494][ T846] ? pids_css_alloc+0x4e/0x120
[ 109.455372][ T846] __should_failslab+0x9f/0xe0
[ 109.460120][ T846] should_failslab+0x9/0x20
[ 109.464732][ T846] kmem_cache_alloc_trace+0x4a/0x320
[ 109.470012][ T846] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 109.475202][ T846] pids_css_alloc+0x4e/0x120
[ 109.480077][ T846] cgroup_apply_control_enable+0x335/0x10c0
[ 109.485979][ T846] cgroup_apply_control+0x93/0x710
[ 109.491095][ T846] ? css_next_child+0x160/0x160
[ 109.495932][ T846] ? wake_bit_function+0x230/0x230
[ 109.501209][ T846] ? kernfs_fop_write_iter+0x15b/0x410
[ 109.506655][ T846] ? __kasan_check_write+0x14/0x20
[ 109.511882][ T846] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 109.517154][ T846] cgroup_subtree_control_write+0xdde/0x1340
[ 109.523582][ T846] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 109.529723][ T846] ? __kasan_check_write+0x14/0x20
[ 109.534828][ T846] ? _copy_from_iter+0x360/0xed0
[ 109.539775][ T846] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 109.545777][ T846] cgroup_file_write+0x28e/0x590
[ 109.550728][ T846] ? cgroup_seqfile_stop+0xc0/0xc0
[ 109.556007][ T846] ? bit_wait_io_timeout+0x110/0x110
[ 109.561366][ T846] ? __kasan_check_write+0x14/0x20
[ 109.566475][ T846] kernfs_fop_write_iter+0x2cd/0x410
[ 109.571778][ T846] ? cgroup_seqfile_stop+0xc0/0xc0
[ 109.577014][ T846] vfs_write+0xbb4/0xf30
[ 109.581249][ T846] ? file_end_write+0x1b0/0x1b0
[ 109.586320][ T846] ? mutex_lock+0xec/0x130
[ 109.590850][ T846] ? bit_wait_io_timeout+0x110/0x110
[ 109.596213][ T846] ? __fdget_pos+0x26d/0x310
[ 109.600900][ T846] ? ksys_write+0x77/0x2c0
[ 109.605301][ T846] ksys_write+0x198/0x2c0
[ 109.609627][ T846] ? __ia32_sys_read+0x90/0x90
[ 109.614460][ T846] ? debug_smp_processor_id+0x17/0x20
[ 109.620265][ T846] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 109.626407][ T846] __x64_sys_write+0x7b/0x90
[ 109.631263][ T846] do_syscall_64+0x2f/0x50
[ 109.635709][ T846] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 109.641593][ T846] RIP: 0033:0x7f2a75dbc249
[ 109.645993][ T846] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 109.665666][ T846] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 109.674063][ T846] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 109.682468][ T846] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 109.690526][ T846] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 109.698932][ T846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 109.706901][ T846] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 109.714864][ T846]
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 109.751213][ T815] FAULT_INJECTION: forcing a failure.
[ 109.751213][ T815] name failslab, interval 1, probability 0, space 0, times 0
[ 109.764051][ T815] CPU: 1 PID: 815 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 109.774623][ T815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 109.784686][ T815] Call Trace:
[ 109.787955][ T815]
[ 109.791061][ T815] dump_stack_lvl+0x151/0x1b7
[ 109.795980][ T815] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 109.801457][ T815] ? pcpu_alloc+0xe83/0x1420
[ 109.806393][ T815] dump_stack+0x15/0x17
[ 109.810629][ T815] should_fail+0x3c0/0x510
[ 109.815125][ T815] ? percpu_ref_init+0xc9/0x350
[ 109.819975][ T815] __should_failslab+0x9f/0xe0
[ 109.824738][ T815] should_failslab+0x9/0x20
[ 109.829502][ T815] kmem_cache_alloc_trace+0x4a/0x320
[ 109.834783][ T815] ? cgroup_setup_root+0xec0/0xec0
[ 109.839975][ T815] percpu_ref_init+0xc9/0x350
[ 109.844670][ T815] ? cgroup_setup_root+0xec0/0xec0
[ 109.849891][ T815] cgroup_apply_control_enable+0x383/0x10c0
[ 109.855908][ T815] cgroup_apply_control+0x93/0x710
[ 109.861013][ T815] ? css_next_child+0x160/0x160
[ 109.865938][ T815] ? wake_bit_function+0x230/0x230
[ 109.871051][ T815] ? __kasan_check_write+0x14/0x20
[ 109.876153][ T815] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 109.881423][ T815] cgroup_subtree_control_write+0xdde/0x1340
[ 109.887410][ T815] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 109.893377][ T815] ? __kasan_check_write+0x14/0x20
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 109.898470][ T815] ? _copy_from_iter+0x360/0xed0
[ 109.903396][ T815] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 109.909505][ T815] cgroup_file_write+0x28e/0x590
[ 109.914452][ T815] ? cgroup_seqfile_stop+0xc0/0xc0
[ 109.919577][ T815] ? bit_wait_io_timeout+0x110/0x110
[ 109.924957][ T815] ? __kasan_check_write+0x14/0x20
[ 109.930246][ T815] kernfs_fop_write_iter+0x2cd/0x410
[ 109.935872][ T815] ? cgroup_seqfile_stop+0xc0/0xc0
[ 109.940978][ T815] vfs_write+0xbb4/0xf30
[ 109.945518][ T815] ? file_end_write+0x1b0/0x1b0
[ 109.950789][ T815] ? mutex_lock+0xec/0x130
[ 109.955301][ T815] ? bit_wait_io_timeout+0x110/0x110
[ 109.961122][ T815] ? __fdget_pos+0x26d/0x310
[ 109.965715][ T815] ? ksys_write+0x77/0x2c0
[ 109.970426][ T815] ksys_write+0x198/0x2c0
[ 109.974762][ T815] ? __ia32_sys_read+0x90/0x90
[ 109.979533][ T815] ? debug_smp_processor_id+0x17/0x20
[ 109.984909][ T815] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 109.991091][ T815] __x64_sys_write+0x7b/0x90
[ 109.996692][ T815] do_syscall_64+0x2f/0x50
[ 110.001204][ T815] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 110.007140][ T815] RIP: 0033:0x7f2a75dbc249
[ 110.011549][ T815] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 110.031431][ T815] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 110.039849][ T815] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 110.047923][ T815] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 110.055913][ T815] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 110.063985][ T815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 110.072032][ T815] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 110.080008][ T815]
[ 110.121410][ T872] FAULT_INJECTION: forcing a failure.
[ 110.121410][ T872] name failslab, interval 1, probability 0, space 0, times 0
[ 110.134580][ T872] CPU: 0 PID: 872 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 110.145162][ T872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 110.155254][ T872] Call Trace:
[ 110.158693][ T872]
[ 110.161630][ T872] dump_stack_lvl+0x151/0x1b7
[ 110.166307][ T872] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 110.171788][ T872] dump_stack+0x15/0x17
[ 110.175949][ T872] should_fail+0x3c0/0x510
[ 110.180366][ T872] ? pids_css_alloc+0x4e/0x120
[ 110.185235][ T872] __should_failslab+0x9f/0xe0
[ 110.189999][ T872] should_failslab+0x9/0x20
[ 110.194523][ T872] kmem_cache_alloc_trace+0x4a/0x320
[ 110.199813][ T872] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 110.205013][ T872] pids_css_alloc+0x4e/0x120
[ 110.209790][ T872] cgroup_apply_control_enable+0x335/0x10c0
[ 110.215768][ T872] cgroup_apply_control+0x93/0x710
[ 110.220873][ T872] ? css_next_child+0x160/0x160
[ 110.225720][ T872] ? wake_bit_function+0x230/0x230
[ 110.230826][ T872] ? kernfs_fop_write_iter+0x15b/0x410
[ 110.236294][ T872] ? __kasan_check_write+0x14/0x20
[ 110.241397][ T872] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 110.246764][ T872] cgroup_subtree_control_write+0xdde/0x1340
[ 110.252736][ T872] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 110.258701][ T872] ? __kasan_check_write+0x14/0x20
[ 110.263794][ T872] ? _copy_from_iter+0x360/0xed0
[ 110.268894][ T872] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 110.274856][ T872] cgroup_file_write+0x28e/0x590
[ 110.279780][ T872] ? cgroup_seqfile_stop+0xc0/0xc0
[ 110.284914][ T872] ? bit_wait_io_timeout+0x110/0x110
[ 110.290195][ T872] ? __kasan_check_write+0x14/0x20
[ 110.295300][ T872] kernfs_fop_write_iter+0x2cd/0x410
[ 110.300574][ T872] ? cgroup_seqfile_stop+0xc0/0xc0
[ 110.305671][ T872] vfs_write+0xbb4/0xf30
[ 110.309908][ T872] ? file_end_write+0x1b0/0x1b0
[ 110.314742][ T872] ? mutex_lock+0xec/0x130
[ 110.319153][ T872] ? bit_wait_io_timeout+0x110/0x110
[ 110.324421][ T872] ? __fdget_pos+0x26d/0x310
[ 110.328995][ T872] ? ksys_write+0x77/0x2c0
[ 110.333412][ T872] ksys_write+0x198/0x2c0
[ 110.337740][ T872] ? __ia32_sys_read+0x90/0x90
[ 110.342489][ T872] ? debug_smp_processor_id+0x17/0x20
[ 110.347883][ T872] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 110.353940][ T872] __x64_sys_write+0x7b/0x90
[ 110.358515][ T872] do_syscall_64+0x2f/0x50
[ 110.362927][ T872] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 110.368805][ T872] RIP: 0033:0x7f2a75dbc249
[ 110.373202][ T872] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 110.392798][ T872] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 110.401293][ T872] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 110.409270][ T872] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 110.417233][ T872] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 110.425299][ T872] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 110.433271][ T872] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 110.441250][ T872]
[ 110.481278][ T864] FAULT_INJECTION: forcing a failure.
[ 110.481278][ T864] name failslab, interval 1, probability 0, space 0, times 0
[ 110.493922][ T864] CPU: 1 PID: 864 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 110.504643][ T864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 110.515119][ T864] Call Trace:
[ 110.518402][ T864]
[ 110.521318][ T864] dump_stack_lvl+0x151/0x1b7
[ 110.526002][ T864] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 110.531857][ T864] ? pcpu_alloc+0xe83/0x1420
[ 110.536442][ T864] dump_stack+0x15/0x17
[ 110.540595][ T864] should_fail+0x3c0/0x510
[ 110.545090][ T864] ? percpu_ref_init+0xc9/0x350
[ 110.549939][ T864] __should_failslab+0x9f/0xe0
[ 110.554698][ T864] should_failslab+0x9/0x20
[ 110.559189][ T864] kmem_cache_alloc_trace+0x4a/0x320
[ 110.564479][ T864] ? cgroup_setup_root+0xec0/0xec0
[ 110.569669][ T864] percpu_ref_init+0xc9/0x350
[ 110.574348][ T864] ? cgroup_setup_root+0xec0/0xec0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 110.579450][ T864] cgroup_apply_control_enable+0x383/0x10c0
[ 110.585421][ T864] cgroup_apply_control+0x93/0x710
[ 110.590516][ T864] ? css_next_child+0x160/0x160
[ 110.595346][ T864] ? wake_bit_function+0x230/0x230
[ 110.600436][ T864] ? kernfs_fop_write_iter+0x15b/0x410
[ 110.605878][ T864] ? __kasan_check_write+0x14/0x20
[ 110.610988][ T864] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 110.617140][ T864] cgroup_subtree_control_write+0xdde/0x1340
[ 110.623302][ T864] ? cgroup_subtree_control_show+0x1c0/0x1c0
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 110.629280][ T864] ? __kasan_check_write+0x14/0x20
[ 110.634376][ T864] ? _copy_from_iter+0x360/0xed0
[ 110.639410][ T864] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 110.645385][ T864] cgroup_file_write+0x28e/0x590
[ 110.650324][ T864] ? cgroup_seqfile_stop+0xc0/0xc0
[ 110.655439][ T864] ? bit_wait_io_timeout+0x110/0x110
[ 110.660844][ T864] ? __kasan_check_write+0x14/0x20
[ 110.665949][ T864] kernfs_fop_write_iter+0x2cd/0x410
[ 110.671224][ T864] ? cgroup_seqfile_stop+0xc0/0xc0
[ 110.676339][ T864] vfs_write+0xbb4/0xf30
[ 110.680583][ T864] ? file_end_write+0x1b0/0x1b0
[ 110.685590][ T864] ? mutex_lock+0xec/0x130
[ 110.690020][ T864] ? bit_wait_io_timeout+0x110/0x110
[ 110.695438][ T864] ? __fdget_pos+0x26d/0x310
[ 110.700490][ T864] ? ksys_write+0x77/0x2c0
[ 110.704892][ T864] ksys_write+0x198/0x2c0
[ 110.709219][ T864] ? __ia32_sys_read+0x90/0x90
[ 110.714087][ T864] ? debug_smp_processor_id+0x17/0x20
[ 110.719462][ T864] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 110.725509][ T864] __x64_sys_write+0x7b/0x90
[ 110.730108][ T864] do_syscall_64+0x2f/0x50
[ 110.734522][ T864] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 110.740414][ T864] RIP: 0033:0x7f2a75dbc249
[ 110.744823][ T864] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 110.764592][ T864] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 110.773197][ T864] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 110.781440][ T864] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 110.789401][ T864] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 110.797362][ T864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 110.805345][ T864] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 110.813764][ T864]
[ 110.851452][ T876] FAULT_INJECTION: forcing a failure.
[ 110.851452][ T876] name failslab, interval 1, probability 0, space 0, times 0
[ 110.864169][ T876] CPU: 0 PID: 876 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 110.874756][ T876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 110.884889][ T876] Call Trace:
[ 110.888178][ T876]
[ 110.891110][ T876] dump_stack_lvl+0x151/0x1b7
[ 110.895878][ T876] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 110.901602][ T876] ? selinux_kernfs_init_security+0x1a8/0x760
[ 110.907691][ T876] dump_stack+0x15/0x17
[ 110.911838][ T876] should_fail+0x3c0/0x510
[ 110.916328][ T876] ? __kernfs_new_node+0x99/0x6e0
[ 110.921339][ T876] __should_failslab+0x9f/0xe0
[ 110.926101][ T876] should_failslab+0x9/0x20
[ 110.930608][ T876] __kmalloc_track_caller+0x6c/0x340
[ 110.935894][ T876] kstrdup_const+0x55/0x90
[ 110.940297][ T876] __kernfs_new_node+0x99/0x6e0
[ 110.945133][ T876] ? stack_trace_save+0x1f0/0x1f0
[ 110.950143][ T876] ? kernfs_new_node+0x170/0x170
[ 110.955066][ T876] ? ptr_to_hashval+0x60/0x60
[ 110.959820][ T876] ? arch_stack_walk+0xf8/0x140
[ 110.964677][ T876] ? snprintf+0xd6/0x120
[ 110.968991][ T876] kernfs_new_node+0x97/0x170
[ 110.973675][ T876] __kernfs_create_file+0x4a/0x270
[ 110.978810][ T876] cgroup_addrm_files+0xab8/0xfe0
[ 110.983829][ T876] ? ____kasan_kmalloc+0xdc/0x110
[ 110.988988][ T876] ? __kasan_kmalloc+0x9/0x10
[ 110.993791][ T876] ? kmem_cache_alloc_trace+0x1f0/0x320
[ 110.999340][ T876] ? trace_raw_output_cgroup_event+0x1f0/0x1f0
[ 111.005487][ T876] ? delete_node+0x759/0x7b0
[ 111.010090][ T876] ? __kasan_check_read+0x11/0x20
[ 111.015127][ T876] ? delete_node+0x759/0x7b0
[ 111.019869][ T876] ? __kasan_check_write+0x14/0x20
[ 111.025068][ T876] ? idr_replace+0x1c4/0x230
[ 111.029665][ T876] ? idr_get_next+0x4b0/0x4b0
[ 111.034422][ T876] ? _raw_spin_lock_bh+0xa3/0x1b0
[ 111.039733][ T876] ? _raw_spin_lock_irq+0x1b0/0x1b0
[ 111.044920][ T876] css_populate_dir+0x137/0x370
[ 111.049774][ T876] cgroup_apply_control_enable+0x889/0x10c0
[ 111.055654][ T876] cgroup_apply_control+0x93/0x710
[ 111.060753][ T876] ? css_next_child+0x160/0x160
[ 111.065598][ T876] ? wake_bit_function+0x230/0x230
[ 111.070882][ T876] ? kernfs_fop_write_iter+0x15b/0x410
[ 111.076341][ T876] ? __kasan_check_write+0x14/0x20
[ 111.081473][ T876] ? cgroup_kn_lock_live+0x1b0/0x2f0
[ 111.087020][ T876] cgroup_subtree_control_write+0xdde/0x1340
[ 111.093006][ T876] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 111.098989][ T876] ? __kasan_check_write+0x14/0x20
[ 111.104256][ T876] ? _copy_from_iter+0x360/0xed0
[ 111.109203][ T876] ? cgroup_subtree_control_show+0x1c0/0x1c0
[ 111.115186][ T876] cgroup_file_write+0x28e/0x590
[ 111.120213][ T876] ? cgroup_seqfile_stop+0xc0/0xc0
[ 111.125342][ T876] ? bit_wait_io_timeout+0x110/0x110
[ 111.130621][ T876] ? __kasan_check_write+0x14/0x20
[ 111.135729][ T876] kernfs_fop_write_iter+0x2cd/0x410
[ 111.141004][ T876] ? cgroup_seqfile_stop+0xc0/0xc0
[ 111.146121][ T876] vfs_write+0xbb4/0xf30
[ 111.150347][ T876] ? file_end_write+0x1b0/0x1b0
[ 111.155185][ T876] ? mutex_lock+0xec/0x130
[ 111.159720][ T876] ? bit_wait_io_timeout+0x110/0x110
[ 111.164987][ T876] ? __fdget_pos+0x26d/0x310
[ 111.170180][ T876] ? ksys_write+0x77/0x2c0
[ 111.174587][ T876] ksys_write+0x198/0x2c0
[ 111.178900][ T876] ? __ia32_sys_read+0x90/0x90
[ 111.183733][ T876] ? debug_smp_processor_id+0x17/0x20
[ 111.189094][ T876] ? fpregs_assert_state_consistent+0xb6/0xe0
[ 111.195179][ T876] __x64_sys_write+0x7b/0x90
[ 111.199758][ T876] do_syscall_64+0x2f/0x50
[ 111.204158][ T876] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 111.210238][ T876] RIP: 0033:0x7f2a75dbc249
[ 111.214740][ T876] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 111.234446][ T876] RSP: 002b:00007f2a75d3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 111.242852][ T876] RAX: ffffffffffffffda RBX: 00007f2a75e394b8 RCX: 00007f2a75dbc249
[ 111.250827][ T876] RDX: 0000000000000006 RSI: 00000000200000c0 RDI: 0000000000000004
[ 111.258795][ T876] RBP: 00007f2a75d3f1f0 R08: 0000000000000002 R09: 0000000000003634
[ 111.266771][ T876] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 111.275232][ T876] R13: 00007ffe15c1098f R14: 00007f2a75d3f300 R15: 0000000000022000
[ 111.283199][ T876]
[ 111.286972][ T876] cgroup: cgroup_addrm_files: failed to add max, err=-12
[ 111.297052][ T430] ------------[ cut here ]------------
[ 111.302552][ T430] WARNING: CPU: 1 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 111.311515][ T430] Modules linked in:
[ 111.315398][ T430] CPU: 1 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 111.326224][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 111.336836][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 111.342589][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 111.362507][ T430] RSP: 0018:ffffc9000161fba0 EFLAGS: 00010293
[ 111.368568][ T430] RAX: ffffffff81beb524 RBX: 00000000ffffffff RCX: ffff88810cd14300
[ 111.376556][ T430] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 111.384647][ T430] RBP: ffffc9000161fc70 R08: ffffffff81beb218 R09: 0000000000000003
[ 111.392868][ T430] R10: fffff520002c3f65 R11: 1ffff920002c3f64 R12: dffffc0000000000
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[ 111.401040][ T430] R13: ffff88811086ac00 R14: ffffc9000161fc00 R15: 1ffff920002c3f7c
[ 111.409260][ T430] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 111.418315][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 111.424960][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506a0
[ 111.433046][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 111.441037][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 111.449178][ T430] Call Trace:
[ 111.452672][ T430]
[ 111.455680][ T430] ? __kasan_check_write+0x14/0x20
[ 111.460826][ T430] ? up_write+0xa1/0x190
[ 111.465331][ T430] ? vfs_submount+0xb0/0xb0
[ 111.469832][ T430] ? change_mnt_propagation+0x8de/0xbc0
[ 111.475408][ T430] namespace_unlock+0x448/0x4f0
[ 111.480265][ T430] ? umount_tree+0xf40/0xf40
[ 111.484904][ T430] ? __detach_mounts+0x670/0x670
[ 111.489874][ T430] ? selinux_umount+0xf3/0x130
[ 111.494718][ T430] ? security_sb_umount+0x9d/0xb0
[ 111.499850][ T430] path_umount+0xe89/0xf40
[ 111.504330][ T430] ? __kasan_slab_free+0x11/0x20
[ 111.509271][ T430] ? user_path_at_empty+0x152/0x1b0
[ 111.514528][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 111.519667][ T430] ? user_path_at_empty+0x152/0x1b0
[ 111.524887][ T430] __x64_sys_umount+0x122/0x170
[ 111.529741][ T430] ? path_umount+0xf40/0xf40
[ 111.534869][ T430] ? debug_smp_processor_id+0x17/0x20
[ 111.540252][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 111.545925][ T430] do_syscall_64+0x2f/0x50
[ 111.550432][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 111.556363][ T430] RIP: 0033:0x7f2a75dbd657
[ 111.560795][ 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
[ 111.580733][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 111.589518][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 111.597599][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 111.605671][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 111.613656][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 111.621657][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 111.629617][ T430]
[ 111.632751][ T430] ---[ end trace 0000000000000000 ]---
[ 111.638247][ T430] ------------[ cut here ]------------
[ 111.643733][ T430] WARNING: CPU: 1 PID: 430 at fs/namespace.c:1236 mntput_no_expire+0x484/0x6c0
[ 111.650815][ C0] !!!!!!!!!!! css_release ALREADY QUEUED !!!!!!!!!!!!!!!!!!!!!!
[ 111.652974][ T430] Modules linked in:
[ 111.660529][ C0] ------------[ cut here ]------------
[ 111.664573][ T430] CPU: 1 PID: 430 Comm: syz-executor214 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 111.669994][ C0] kernel BUG at kernel/cgroup/cgroup.c:5219!
[ 111.680729][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 111.686694][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 111.696726][ T430] RIP: 0010:mntput_no_expire+0x484/0x6c0
[ 111.702752][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.18.0-rc2-syzkaller-dirty #0
[ 111.708368][ T430] Code: 48 c7 c2 40 8b 25 86 e8 2a 14 8b ff e9 91 fc ff ff e8 50 d7 b1 ff e9 87 fc ff ff e8 46 d7 b1 ff e9 7d fc ff ff e8 3c d7 b1 ff <0f> 0b e9 fa fc ff ff e8 30 d7 b1 ff e8 eb 81 9e ff e9 f0 fc ff ff
[ 111.718572][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 111.718582][ C0] RIP: 0010:css_release+0xfb/0x100
[ 111.738351][ T430] RSP: 0018:ffffc9000161fca0 EFLAGS: 00010293
[ 111.748373][ C0] Code: b6 3d 05 bf 08 00 00 00 48 89 da e8 9f 5e e1 ff 5b 41 5e 41 5f 5d c3 e8 a3 32 08 00 48 c7 c7 00 33 0c 85 31 c0 e8 35 c2 44 03 <0f> 0b 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 18
[ 111.748389][ C0] RSP: 0018:ffffc90000007ba0 EFLAGS: 00010246
[ 111.753612][ T430]
[ 111.759618][ C0]
[ 111.759624][ C0] RAX: 000000000000003d RBX: ffff888117832c68 RCX: e6f6b9858a001200
[ 111.779581][ T430] RAX: ffffffff81beb524 RBX: 00000000fffffffe RCX: ffff88810cd14300
[ 111.785699][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
[ 111.785713][ C0] RBP: ffffc90000007bb8 R08: ffffffff8157ac48 R09: ffffed103ee465d1
[ 111.788022][ T430] RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 0000000000000000
[ 111.790329][ C0] R10: ffffed103ee465d1 R11: 1ffff1103ee465d0 R12: ffff888117832c10
[ 111.798285][ T430] RBP: ffffc9000161fd70 R08: ffffffff81beb218 R09: 0000000000000003
[ 111.806217][ C0] R13: ffff88811842fc00 R14: ffff888117832c01 R15: ffff888117832c18
[ 111.806232][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 111.814313][ T430] R10: fffff520002c3f85 R11: 1ffff920002c3f84 R12: dffffc0000000000
[ 111.822225][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 111.822240][ C0] CR2: 00007f2a75e05a28 CR3: 000000012112d000 CR4: 00000000003506b0
[ 111.830267][ T430] R13: ffff88811086ac00 R14: ffffc9000161fd00 R15: 1ffff920002c3f9c
[ 111.838218][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 111.838229][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 111.838241][ C0] Call Trace:
[ 111.846188][ T430] FS: 000055555660f400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
[ 111.854220][ C0]
[ 111.854230][ C0] percpu_ref_switch_to_atomic_rcu+0x60d/0x620
[ 111.863173][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 111.871081][ C0] ? percpu_ref_noop_confirm_switch+0x10/0x10
[ 111.877741][ T430] CR2: 0000555556619738 CR3: 0000000120e32000 CR4: 00000000003506a0
[ 111.885775][ C0] rcu_do_batch+0x507/0xbc0
[ 111.893749][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 111.901903][ C0] ? local_bh_enable+0x20/0x20
[ 111.909944][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 111.913227][ C0] ? _raw_spin_lock_irqsave+0xf8/0x210
[ 111.913250][ C0] ? _raw_spin_lock+0x1b0/0x1b0
[ 111.913265][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 111.922277][ T430] Call Trace:
[ 111.925088][ C0] ? rcu_report_qs_rnp+0x2c0/0x390
[ 111.931223][ T430]
[ 111.937974][ C0] rcu_core+0x4dc/0xef0
[ 111.944079][ T430] ? lockref_get_or_lock+0x340/0x340
[ 111.952090][ C0] ? rcu_cpu_kthread_park+0x90/0x90
[ 111.956664][ T430] ? umount_tree+0xf40/0xf40
[ 111.964722][ C0] ? sched_slice+0x6a0/0x6a0
[ 111.964756][ C0] rcu_core_si+0x9/0x10
[ 111.964775][ C0] __do_softirq+0x24e/0x586
[ 111.969520][ T430] ? vfs_submount+0xb0/0xb0
[ 111.977471][ C0] invoke_softirq+0x70/0xd0
[ 111.977491][ C0] __irq_exit_rcu+0x4f/0xb0
[ 111.982937][ T430] ? dput+0x2b6/0x320
[ 111.987747][ C0] irq_exit_rcu+0x9/0x10
[ 111.993631][ T430] path_umount+0x1e0/0xf40
[ 111.996885][ C0] sysvec_apic_timer_interrupt+0x9a/0xc0
[ 112.001979][ T430] ? __kasan_slab_free+0x11/0x20
[ 112.004880][ C0]
[ 112.009091][ T430] ? user_path_at_empty+0x152/0x1b0
[ 112.014356][ C0]
[ 112.014362][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 112.014383][ C0] RIP: 0010:acpi_idle_do_entry+0xb8/0x1f0
[ 112.019576][ T430] ? namespace_unlock+0x4f0/0x4f0
[ 112.024160][ C0] Code: 8b 1b 48 89 de 48 83 e6 08 31 ff e8 42 b6 bd fc 48 83 e3 08 0f 85 ab 00 00 00 eb 0c e8 11 b1 bd fc 0f 00 2d 8a cb bc 00 fb f4 e9 a1 00 00 00 49 83 c6 04 4c 89 f0 48 c1 e8 03 42 8a 04 38 84
[ 112.024176][ C0] RSP: 0018:ffffffff86007be8 EFLAGS: 00000246
[ 112.028737][ T430] ? user_path_at_empty+0x152/0x1b0
[ 112.033037][ C0]
[ 112.033044][ C0] RAX: 1ffffffff0c03630 RBX: 0000000000000000 RCX: 0000000000000000
[ 112.033058][ C0] RDX: ffffffff8601b180 RSI: 0000000000000000 RDI: 0000000000000000
[ 112.037624][ T430] __x64_sys_umount+0x122/0x170
[ 112.042097][ C0] RBP: ffffffff86007c00 R08: ffffffff84b2db3e R09: fffffbfff0c03631
[ 112.042111][ C0] R10: fffffbfff0c03631 R11: 1ffffffff0c03630 R12: 0000000000000001
[ 112.046588][ T430] ? path_umount+0xf40/0xf40
[ 112.051068][ C0] R13: ffff888100072804 R14: ffff8881091aa864 R15: dffffc0000000000
[ 112.051084][ C0] ? acpi_idle_do_entry+0x9e/0x1f0
[ 112.055036][ T430] ? debug_smp_processor_id+0x17/0x20
[ 112.059253][ C0] ? acpi_idle_do_entry+0x9e/0x1f0
[ 112.063668][ T430] ? exit_to_user_mode_prepare+0x3a/0x80
[ 112.069258][ C0] acpi_idle_enter+0x32d/0x4f0
[ 112.074190][ T430] do_syscall_64+0x2f/0x50
[ 112.077089][ C0] ? rcu_dynticks_eqs_enter+0xe/0x10
[ 112.082268][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 112.085173][ C0] cpuidle_enter_state+0x541/0x10e0
[ 112.091226][ T430] RIP: 0033:0x7f2a75dbd657
[ 112.096902][ C0] ? cpuidle_enter_s2idle+0x610/0x610
[ 112.101909][ 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
[ 112.121560][ C0] ? sched_clock_cpu+0x18/0x3b0
[ 112.121582][ C0] cpuidle_enter+0x5f/0xa0
[ 112.121597][ C0] do_idle+0x379/0x5e0
[ 112.127812][ T430] RSP: 002b:00007ffe15c0f918 EFLAGS: 00000206
[ 112.132989][ C0] ? idle_inject_timer_fn+0x60/0x60
[ 112.135743][ T430] ORIG_RAX: 00000000000000a6
[ 112.143798][ C0] cpu_startup_entry+0x25/0x30
[ 112.143820][ C0] rest_init+0x107/0x130
[ 112.152297][ T430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a75dbd657
[ 112.157206][ C0] ? time_init+0x38/0x38
[ 112.165343][ T430] RDX: 00007ffe15c0f9da RSI: 000000000000000a RDI: 00007ffe15c0f9d0
[ 112.173286][ C0] arch_call_rest_init+0xe/0x10
[ 112.173308][ C0] start_kernel+0x465/0x4d7
[ 112.177890][ T430] RBP: 00007ffe15c0f9d0 R08: 00000000ffffffff R09: 00007ffe15c0f7b0
[ 112.185838][ C0] x86_64_start_reservations+0x2a/0x2c
[ 112.191066][ T430] R10: 00005555566117a3 R11: 0000000000000206 R12: 00007ffe15c10a90
[ 112.196397][ C0] x86_64_start_kernel+0x9b/0xa0
[ 112.201508][ T430] R13: 0000555556611700 R14: 00007ffe15c0f940 R15: 00007ffe15c10ad0
[ 112.207188][ C0] secondary_startup_64_no_verify+0xc4/0xcb
[ 112.212036][ T430]
[ 112.216410][ C0]
[ 112.221711][ T430] ---[ end trace 0000000000000000 ]---
[ 112.227537][ C0] Modules linked in:
[ 112.385864][ C0] ---[ end trace 0000000000000000 ]---
[ 112.391323][ C0] RIP: 0010:css_release+0xfb/0x100
[ 112.396529][ C0] Code: b6 3d 05 bf 08 00 00 00 48 89 da e8 9f 5e e1 ff 5b 41 5e 41 5f 5d c3 e8 a3 32 08 00 48 c7 c7 00 33 0c 85 31 c0 e8 35 c2 44 03 <0f> 0b 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 18
[ 112.417036][ C0] RSP: 0018:ffffc90000007ba0 EFLAGS: 00010246
[ 112.423133][ C0] RAX: 000000000000003d RBX: ffff888117832c68 RCX: e6f6b9858a001200
[ 112.431120][ C0] RDX: 0000000000000101 RSI: 0000000000000101 RDI: 0000000000000000
[ 112.439182][ C0] RBP: ffffc90000007bb8 R08: ffffffff8157ac48 R09: ffffed103ee465d1
[ 112.447406][ C0] R10: ffffed103ee465d1 R11: 1ffff1103ee465d0 R12: ffff888117832c10
[ 112.455574][ C0] R13: ffff88811842fc00 R14: ffff888117832c01 R15: ffff888117832c18
[ 112.463738][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
[ 112.472680][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 112.479335][ C0] CR2: 00007f2a75e05a28 CR3: 000000012112d000 CR4: 00000000003506b0
[ 112.487329][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 112.495324][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 112.503334][ C0] Kernel panic - not syncing: Fatal exception in interrupt
[ 112.510978][ C0] Kernel Offset: disabled
[ 112.515319][ C0] Rebooting in 86400 seconds..