[ 395.902230][ T3245] block nbd0: Receive control failed (result -32) [ 395.902232][ T43] block nbd0: Receive control failed (result -32) [ 395.903660][ T4309] block nbd0: shutting down sockets [ 396.148051][ T4312] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 396.744961][ T43] block nbd0: Receive control failed (result -32) [ 396.745099][ T4312] block nbd0: shutting down sockets [ 396.898064][ T4315] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 397.588357][ T43] block nbd0: Receive control failed (result -32) [ 397.588416][ T4315] block nbd0: shutting down sockets [ 397.727451][ T4319] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 398.429493][ T43] block nbd0: Receive control failed (result -32) [ 398.429522][ T4319] block nbd0: shutting down sockets [ 398.567935][ T4322] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 399.271245][ T43] block nbd0: Receive control failed (result -32) [ 399.271246][ T3245] block nbd0: Receive control failed (result -32) [ 399.271672][ T4322] block nbd0: shutting down sockets [ 399.396695][ T4325] block nbd0: Device being setup by another task [ 399.398236][ T4324] FAULT_INJECTION: forcing a failure. [ 399.398236][ T4324] name failslab, interval 1, probability 0, space 0, times 0 [ 399.400976][ T4324] CPU: 0 PID: 4324 Comm: syz-executor.0 Not tainted 6.1.68-syzkaller #0 [ 399.402880][ T4324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 399.405051][ T4324] Call trace: [ 399.405770][ T4324] dump_backtrace+0x1c8/0x1f4 [ 399.406855][ T4324] show_stack+0x2c/0x3c [ 399.407873][ T4324] dump_stack_lvl+0xc0/0x104 [ 399.408901][ T4324] dump_stack+0x1c/0x4c [ 399.409842][ T4324] should_fail_ex+0x1bc/0x1e0 [ 399.410916][ T4324] __should_failslab+0x64/0x78 [ 399.411973][ T4324] should_failslab+0x10/0x28 [ 399.412960][ T4324] slab_pre_alloc_hook+0x54/0x1f4 [ 399.414060][ T4324] kmem_cache_alloc_lru+0x60/0x2ac [ 399.415150][ T4324] alloc_inode+0x7c/0x104 [ 399.416181][ T4324] new_inode+0x2c/0xc0 [ 399.417074][ T4324] debugfs_create_dir+0x98/0x1e0 [ 399.418082][ T4324] nbd_start_device+0x1b4/0x504 [ 399.419123][ T4324] nbd_ioctl+0x228/0x66c [ 399.420058][ T4324] blkdev_ioctl+0x218/0x664 [ 399.421131][ T4324] __arm64_sys_ioctl+0xd0/0x148 [ 399.422243][ T4324] invoke_syscall+0x64/0x178 [ 399.423238][ T4324] el0_svc_common+0xb8/0x174 [ 399.424221][ T4324] do_el0_svc+0x48/0x174 [ 399.425157][ T4324] el0_svc+0x34/0x110 [ 399.426084][ T4324] el0t_64_sync_handler+0x84/0xf0 [ 399.427212][ T4324] el0t_64_sync+0x18c/0x190 [ 399.428284][ T4324] debugfs: out of free dentries, can not create directory 'nbd0' [ 399.430103][ T4324] block nbd0: Failed to create debugfs dir for 'nbd0' [ 400.117649][ T43] block nbd0: Receive control failed (result -32) [ 400.117791][ T4324] block nbd0: shutting down sockets [ 400.287942][ T4328] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 400.960154][ T43] block nbd0: Receive control failed (result -32) [ 400.960161][ T3245] block nbd0: Receive control failed (result -32) [ 400.961548][ T4328] block nbd0: shutting down sockets [ 401.127990][ T4330] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 401.803719][ T43] block nbd0: Receive control failed (result -32) [ 401.803754][ T3245] block nbd0: Receive control failed (result -32) [ 401.805657][ T4330] block nbd0: shutting down sockets [ 402.087414][ T1358] device bridge_slave_1 left promiscuous mode [ 402.088892][ T1358] bridge0: port 2(bridge_slave_1) entered disabled state [ 402.126985][ T1358] device bridge_slave_0 left promiscuous mode [ 402.128370][ T1358] bridge0: port 1(bridge_slave_0) entered disabled state [ 402.167299][ T1358] device veth0_macvtap left promiscuous mode [ 402.168685][ T1358] device veth1_vlan left promiscuous mode [ 402.169929][ T1358] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.169' (ED25519) to the list of known hosts. [ 403.346705][ T4338] block nbd0: Device being setup by another task [ 403.350315][ T4337] FAULT_INJECTION: forcing a failure. [ 403.350315][ T4337] name failslab, interval 1, probability 0, space 0, times 0 [ 403.353176][ T4337] CPU: 0 PID: 4337 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 403.355113][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 403.357483][ T4337] Call trace: [ 403.358274][ T4337] dump_backtrace+0x1c8/0x1f4 [ 403.359352][ T4337] show_stack+0x2c/0x3c [ 403.360317][ T4337] dump_stack_lvl+0xc0/0x104 [ 403.361353][ T4337] dump_stack+0x1c/0x4c [ 403.362273][ T4337] should_fail_ex+0x1bc/0x1e0 [ 403.363410][ T4337] __should_failslab+0x64/0x78 [ 403.364483][ T4337] should_failslab+0x10/0x28 [ 403.365716][ T4337] __kmem_cache_alloc_node+0x6c/0x348 [ 403.367051][ T4337] __kmalloc+0x98/0xd8 [ 403.368005][ T4337] tomoyo_supervisor+0x700/0x888 [ 403.369204][ T4337] tomoyo_path_number_perm+0x200/0x2a8 [ 403.370427][ T4337] tomoyo_file_ioctl+0x2c/0x3c [ 403.371503][ T4337] security_file_ioctl+0x4c/0x8c [ 403.372708][ T4337] __arm64_sys_ioctl+0x5c/0x148 [ 403.373798][ T4337] invoke_syscall+0x64/0x178 [ 403.374946][ T4337] el0_svc_common+0xb8/0x174 [ 403.376129][ T4337] do_el0_svc+0x48/0x174 [ 403.377156][ T4337] el0_svc+0x34/0x110 [ 403.378002][ T4337] el0t_64_sync_handler+0x84/0xf0 [ 403.379239][ T4337] el0t_64_sync+0x18c/0x190 [ 403.506160][ T4337] block nbd0: shutting down sockets [ 403.608214][ T4341] FAULT_INJECTION: forcing a failure. [ 403.608214][ T4341] name failslab, interval 1, probability 0, space 0, times 0 [ 403.611346][ T4341] CPU: 0 PID: 4341 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 403.613290][ T4341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 403.615752][ T4341] Call trace: [ 403.616490][ T4341] dump_backtrace+0x1c8/0x1f4 [ 403.617703][ T4341] show_stack+0x2c/0x3c [ 403.618694][ T4341] dump_stack_lvl+0xc0/0x104 [ 403.619785][ T4341] dump_stack+0x1c/0x4c [ 403.620804][ T4341] should_fail_ex+0x1bc/0x1e0 [ 403.622010][ T4341] __should_failslab+0x64/0x78 [ 403.623142][ T4341] should_failslab+0x10/0x28 [ 403.624338][ T4341] __kmem_cache_alloc_node+0x6c/0x348 [ 403.625556][ T4341] __kmalloc+0x98/0xd8 [ 403.626550][ T4341] tomoyo_supervisor+0x700/0x888 [ 403.627724][ T4341] tomoyo_path_number_perm+0x200/0x2a8 [ 403.629079][ T4341] tomoyo_file_ioctl+0x2c/0x3c [ 403.630256][ T4341] security_file_ioctl+0x4c/0x8c [ 403.631661][ T4341] __arm64_sys_ioctl+0x5c/0x148 [ 403.632842][ T4341] invoke_syscall+0x64/0x178 [ 403.633876][ T4341] el0_svc_common+0xb8/0x174 [ 403.635005][ T4341] do_el0_svc+0x48/0x174 [ 403.635991][ T4341] el0_svc+0x34/0x110 [ 403.636983][ T4341] el0t_64_sync_handler+0x84/0xf0 [ 403.638104][ T4341] el0t_64_sync+0x18c/0x190 [ 403.765982][ T4341] block nbd0: shutting down sockets [ 403.876009][ T4343] FAULT_INJECTION: forcing a failure. [ 403.876009][ T4343] name failslab, interval 1, probability 0, space 0, times 0 [ 403.876707][ T4344] block nbd0: Device being setup by another task [ 403.878926][ T4343] CPU: 1 PID: 4343 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 403.882299][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 403.884664][ T4343] Call trace: [ 403.885443][ T4343] dump_backtrace+0x1c8/0x1f4 [ 403.886457][ T4343] show_stack+0x2c/0x3c [ 403.887373][ T4343] dump_stack_lvl+0xc0/0x104 [ 403.888392][ T4343] dump_stack+0x1c/0x4c [ 403.889383][ T4343] should_fail_ex+0x1bc/0x1e0 [ 403.890473][ T4343] __should_failslab+0x64/0x78 [ 403.891514][ T4343] should_failslab+0x10/0x28 [ 403.892668][ T4343] __kmem_cache_alloc_node+0x6c/0x348 [ 403.893817][ T4343] __kmalloc+0x98/0xd8 [ 403.894675][ T4343] tomoyo_supervisor+0x700/0x888 [ 403.895712][ T4343] tomoyo_path_number_perm+0x200/0x2a8 [ 403.896941][ T4343] tomoyo_file_ioctl+0x2c/0x3c [ 403.898036][ T4343] security_file_ioctl+0x4c/0x8c [ 403.899162][ T4343] __arm64_sys_ioctl+0x5c/0x148 [ 403.900203][ T4343] invoke_syscall+0x64/0x178 [ 403.901278][ T4343] el0_svc_common+0xb8/0x174 [ 403.902302][ T4343] do_el0_svc+0x48/0x174 [ 403.903292][ T4343] el0_svc+0x34/0x110 [ 403.904142][ T4343] el0t_64_sync_handler+0x84/0xf0 [ 403.905168][ T4343] el0t_64_sync+0x18c/0x190 [ 404.033957][ T4343] block nbd0: shutting down sockets [ 404.127031][ T4346] FAULT_INJECTION: forcing a failure. [ 404.127031][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 404.129866][ T4346] CPU: 1 PID: 4346 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 404.131674][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 404.133805][ T4346] Call trace: [ 404.134524][ T4346] dump_backtrace+0x1c8/0x1f4 [ 404.135494][ T4346] show_stack+0x2c/0x3c [ 404.136405][ T4346] dump_stack_lvl+0xc0/0x104 [ 404.137467][ T4346] dump_stack+0x1c/0x4c [ 404.138388][ T4346] should_fail_ex+0x1bc/0x1e0 [ 404.139416][ T4346] __should_failslab+0x64/0x78 [ 404.140509][ T4346] should_failslab+0x10/0x28 [ 404.141487][ T4346] __kmem_cache_alloc_node+0x6c/0x348 [ 404.142693][ T4346] __kmalloc+0x98/0xd8 [ 404.143591][ T4346] tomoyo_supervisor+0x700/0x888 [ 404.144716][ T4346] tomoyo_path_number_perm+0x200/0x2a8 [ 404.145890][ T4346] tomoyo_file_ioctl+0x2c/0x3c [ 404.147012][ T4346] security_file_ioctl+0x4c/0x8c [ 404.148116][ T4346] __arm64_sys_ioctl+0x5c/0x148 [ 404.149222][ T4346] invoke_syscall+0x64/0x178 [ 404.150274][ T4346] el0_svc_common+0xb8/0x174 [ 404.151374][ T4346] do_el0_svc+0x48/0x174 [ 404.152324][ T4346] el0_svc+0x34/0x110 [ 404.153193][ T4346] el0t_64_sync_handler+0x84/0xf0 [ 404.154340][ T4346] el0t_64_sync+0x18c/0x190 [ 404.285426][ T4346] block nbd0: shutting down sockets [ 404.367045][ T4348] FAULT_INJECTION: forcing a failure. [ 404.367045][ T4348] name failslab, interval 1, probability 0, space 0, times 0 [ 404.370107][ T4348] CPU: 1 PID: 4348 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 404.371944][ T4348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 404.374149][ T4348] Call trace: [ 404.374891][ T4348] dump_backtrace+0x1c8/0x1f4 [ 404.376010][ T4348] show_stack+0x2c/0x3c [ 404.376965][ T4348] dump_stack_lvl+0xc0/0x104 [ 404.378097][ T4348] dump_stack+0x1c/0x4c [ 404.379007][ T4348] should_fail_ex+0x1bc/0x1e0 [ 404.380083][ T4348] __should_failslab+0x64/0x78 [ 404.381115][ T4348] should_failslab+0x10/0x28 [ 404.382125][ T4348] __kmem_cache_alloc_node+0x6c/0x348 [ 404.383208][ T4348] __kmalloc+0x98/0xd8 [ 404.384185][ T4348] tomoyo_supervisor+0x700/0x888 [ 404.385331][ T4348] tomoyo_path_number_perm+0x200/0x2a8 [ 404.386633][ T4348] tomoyo_file_ioctl+0x2c/0x3c [ 404.387942][ T4348] security_file_ioctl+0x4c/0x8c [ 404.389108][ T4348] __arm64_sys_ioctl+0x5c/0x148 [ 404.390235][ T4348] invoke_syscall+0x64/0x178 [ 404.391201][ T4348] el0_svc_common+0xb8/0x174 [ 404.392236][ T4348] do_el0_svc+0x48/0x174 [ 404.393149][ T4348] el0_svc+0x34/0x110 [ 404.393975][ T4348] el0t_64_sync_handler+0x84/0xf0 [ 404.395141][ T4348] el0t_64_sync+0x18c/0x190 [ 404.524922][ T4348] block nbd0: shutting down sockets [ 404.607122][ T4350] FAULT_INJECTION: forcing a failure. [ 404.607122][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 404.609868][ T4350] CPU: 1 PID: 4350 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 404.611796][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 404.613940][ T4350] Call trace: [ 404.614637][ T4350] dump_backtrace+0x1c8/0x1f4 [ 404.615683][ T4350] show_stack+0x2c/0x3c [ 404.616678][ T4350] dump_stack_lvl+0xc0/0x104 [ 404.617695][ T4350] dump_stack+0x1c/0x4c [ 404.618577][ T4350] should_fail_ex+0x1bc/0x1e0 [ 404.619646][ T4350] __should_failslab+0x64/0x78 [ 404.620709][ T4350] should_failslab+0x10/0x28 [ 404.621718][ T4350] __kmem_cache_alloc_node+0x6c/0x348 [ 404.622994][ T4350] __kmalloc+0x98/0xd8 [ 404.623897][ T4350] tomoyo_supervisor+0x700/0x888 [ 404.625020][ T4350] tomoyo_path_number_perm+0x200/0x2a8 [ 404.626409][ T4350] tomoyo_file_ioctl+0x2c/0x3c [ 404.627495][ T4350] security_file_ioctl+0x4c/0x8c [ 404.628683][ T4350] __arm64_sys_ioctl+0x5c/0x148 [ 404.629761][ T4350] invoke_syscall+0x64/0x178 [ 404.630763][ T4350] el0_svc_common+0xb8/0x174 [ 404.631866][ T4350] do_el0_svc+0x48/0x174 [ 404.632823][ T4350] el0_svc+0x34/0x110 [ 404.633818][ T4350] el0t_64_sync_handler+0x84/0xf0 [ 404.634997][ T4350] el0t_64_sync+0x18c/0x190 [ 404.764968][ T4350] block nbd0: shutting down sockets [ 404.847130][ T4352] FAULT_INJECTION: forcing a failure. [ 404.847130][ T4352] name failslab, interval 1, probability 0, space 0, times 0 [ 404.850011][ T4352] CPU: 1 PID: 4352 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 404.851965][ T4352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 404.854198][ T4352] Call trace: [ 404.854859][ T4352] dump_backtrace+0x1c8/0x1f4 [ 404.855888][ T4352] show_stack+0x2c/0x3c [ 404.856784][ T4352] dump_stack_lvl+0xc0/0x104 [ 404.857878][ T4352] dump_stack+0x1c/0x4c [ 404.858842][ T4352] should_fail_ex+0x1bc/0x1e0 [ 404.859880][ T4352] __should_failslab+0x64/0x78 [ 404.860926][ T4352] should_failslab+0x10/0x28 [ 404.862010][ T4352] __kmem_cache_alloc_node+0x6c/0x348 [ 404.863285][ T4352] __kmalloc+0x98/0xd8 [ 404.864177][ T4352] tomoyo_supervisor+0x700/0x888 [ 404.865322][ T4352] tomoyo_path_number_perm+0x200/0x2a8 [ 404.866523][ T4352] tomoyo_file_ioctl+0x2c/0x3c [ 404.867620][ T4352] security_file_ioctl+0x4c/0x8c [ 404.868818][ T4352] __arm64_sys_ioctl+0x5c/0x148 [ 404.869884][ T4352] invoke_syscall+0x64/0x178 [ 404.870935][ T4352] el0_svc_common+0xb8/0x174 [ 404.872028][ T4352] do_el0_svc+0x48/0x174 [ 404.872938][ T4352] el0_svc+0x34/0x110 [ 404.873791][ T4352] el0t_64_sync_handler+0x84/0xf0 [ 404.874904][ T4352] el0t_64_sync+0x18c/0x190 [ 405.004784][ T4352] block nbd0: shutting down sockets [ 405.087155][ T4354] FAULT_INJECTION: forcing a failure. [ 405.087155][ T4354] name failslab, interval 1, probability 0, space 0, times 0 [ 405.089936][ T4354] CPU: 1 PID: 4354 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 405.091828][ T4354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 405.094178][ T4354] Call trace: [ 405.094875][ T4354] dump_backtrace+0x1c8/0x1f4 [ 405.095928][ T4354] show_stack+0x2c/0x3c [ 405.096830][ T4354] dump_stack_lvl+0xc0/0x104 [ 405.097913][ T4354] dump_stack+0x1c/0x4c [ 405.098818][ T4354] should_fail_ex+0x1bc/0x1e0 [ 405.099873][ T4354] __should_failslab+0x64/0x78 [ 405.100973][ T4354] should_failslab+0x10/0x28 [ 405.102022][ T4354] __kmem_cache_alloc_node+0x6c/0x348 [ 405.103235][ T4354] __kmalloc+0x98/0xd8 [ 405.104145][ T4354] tomoyo_supervisor+0x700/0x888 [ 405.105206][ T4354] tomoyo_path_number_perm+0x200/0x2a8 [ 405.106446][ T4354] tomoyo_file_ioctl+0x2c/0x3c [ 405.107444][ T4354] security_file_ioctl+0x4c/0x8c [ 405.108559][ T4354] __arm64_sys_ioctl+0x5c/0x148 [ 405.109670][ T4354] invoke_syscall+0x64/0x178 [ 405.110660][ T4354] el0_svc_common+0xb8/0x174 [ 405.111671][ T4354] do_el0_svc+0x48/0x174 [ 405.112595][ T4354] el0_svc+0x34/0x110 [ 405.113492][ T4354] el0t_64_sync_handler+0x84/0xf0 [ 405.114709][ T4354] el0t_64_sync+0x18c/0x190 [ 405.245308][ T4354] block nbd0: shutting down sockets [ 405.327084][ T4356] FAULT_INJECTION: forcing a failure. [ 405.327084][ T4356] name failslab, interval 1, probability 0, space 0, times 0 [ 405.330080][ T4356] CPU: 1 PID: 4356 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 405.331773][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 405.334094][ T4356] Call trace: [ 405.334775][ T4356] dump_backtrace+0x1c8/0x1f4 [ 405.335899][ T4356] show_stack+0x2c/0x3c [ 405.336808][ T4356] dump_stack_lvl+0xc0/0x104 [ 405.337877][ T4356] dump_stack+0x1c/0x4c [ 405.338863][ T4356] should_fail_ex+0x1bc/0x1e0 [ 405.339840][ T4356] __should_failslab+0x64/0x78 [ 405.340860][ T4356] should_failslab+0x10/0x28 [ 405.341846][ T4356] __kmem_cache_alloc_node+0x6c/0x348 [ 405.343008][ T4356] __kmalloc+0x98/0xd8 [ 405.343907][ T4356] tomoyo_supervisor+0x700/0x888 [ 405.345095][ T4356] tomoyo_path_number_perm+0x200/0x2a8 [ 405.346340][ T4356] tomoyo_file_ioctl+0x2c/0x3c [ 405.347461][ T4356] security_file_ioctl+0x4c/0x8c [ 405.348613][ T4356] __arm64_sys_ioctl+0x5c/0x148 [ 405.349648][ T4356] invoke_syscall+0x64/0x178 [ 405.350662][ T4356] el0_svc_common+0xb8/0x174 [ 405.351638][ T4356] do_el0_svc+0x48/0x174 [ 405.352584][ T4356] el0_svc+0x34/0x110 [ 405.353512][ T4356] el0t_64_sync_handler+0x84/0xf0 [ 405.354683][ T4356] el0t_64_sync+0x18c/0x190 [ 405.485111][ T4356] block nbd0: shutting down sockets [ 405.594973][ T4358] FAULT_INJECTION: forcing a failure. [ 405.594973][ T4358] name failslab, interval 1, probability 0, space 0, times 0 [ 405.597884][ T4358] CPU: 1 PID: 4358 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 405.599875][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 405.602157][ T4358] Call trace: [ 405.602774][ T4358] dump_backtrace+0x1c8/0x1f4 [ 405.603896][ T4358] show_stack+0x2c/0x3c [ 405.604817][ T4358] dump_stack_lvl+0xc0/0x104 [ 405.605727][ T4358] dump_stack+0x1c/0x4c [ 405.606681][ T4358] should_fail_ex+0x1bc/0x1e0 [ 405.607777][ T4358] __should_failslab+0x64/0x78 [ 405.608916][ T4358] should_failslab+0x10/0x28 [ 405.609910][ T4358] __kmem_cache_alloc_node+0x6c/0x348 [ 405.611193][ T4358] __kmalloc+0x98/0xd8 [ 405.612087][ T4358] tomoyo_supervisor+0x700/0x888 [ 405.613222][ T4358] tomoyo_path_number_perm+0x200/0x2a8 [ 405.614458][ T4358] tomoyo_file_ioctl+0x2c/0x3c [ 405.615562][ T4358] security_file_ioctl+0x4c/0x8c [ 405.616622][ T4358] __arm64_sys_ioctl+0x5c/0x148 [ 405.617723][ T4358] invoke_syscall+0x64/0x178 [ 405.618776][ T4358] el0_svc_common+0xb8/0x174 [ 405.619791][ T4358] do_el0_svc+0x48/0x174 [ 405.620758][ T4358] el0_svc+0x34/0x110 [ 405.621689][ T4358] el0t_64_sync_handler+0x84/0xf0 [ 405.622852][ T4358] el0t_64_sync+0x18c/0x190 [ 405.626722][ T4359] block nbd0: Device being setup by another task [ 405.753027][ T4358] block nbd0: shutting down sockets [ 405.847037][ T4361] FAULT_INJECTION: forcing a failure. [ 405.847037][ T4361] name failslab, interval 1, probability 0, space 0, times 0 [ 405.849919][ T4361] CPU: 0 PID: 4361 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 405.851718][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 405.854048][ T4361] Call trace: [ 405.854835][ T4361] dump_backtrace+0x1c8/0x1f4 [ 405.855878][ T4361] show_stack+0x2c/0x3c [ 405.856874][ T4361] dump_stack_lvl+0xc0/0x104 [ 405.857935][ T4361] dump_stack+0x1c/0x4c [ 405.858914][ T4361] should_fail_ex+0x1bc/0x1e0 [ 405.860058][ T4361] __should_failslab+0x64/0x78 [ 405.861194][ T4361] should_failslab+0x10/0x28 [ 405.862231][ T4361] __kmem_cache_alloc_node+0x6c/0x348 [ 405.863431][ T4361] __kmalloc+0x98/0xd8 [ 405.864370][ T4361] tomoyo_supervisor+0x700/0x888 [ 405.865523][ T4361] tomoyo_path_number_perm+0x200/0x2a8 [ 405.866782][ T4361] tomoyo_file_ioctl+0x2c/0x3c [ 405.867887][ T4361] security_file_ioctl+0x4c/0x8c [ 405.869025][ T4361] __arm64_sys_ioctl+0x5c/0x148 [ 405.870113][ T4361] invoke_syscall+0x64/0x178 [ 405.871098][ T4361] el0_svc_common+0xb8/0x174 [ 405.872145][ T4361] do_el0_svc+0x48/0x174 [ 405.873134][ T4361] el0_svc+0x34/0x110 [ 405.874049][ T4361] el0t_64_sync_handler+0x84/0xf0 [ 405.875243][ T4361] el0t_64_sync+0x18c/0x190 [ 406.005079][ T4361] block nbd0: shutting down sockets [ 406.114991][ T4363] FAULT_INJECTION: forcing a failure. [ 406.114991][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 406.116694][ T4364] block nbd0: Device being setup by another task [ 406.118184][ T4363] CPU: 1 PID: 4363 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 406.121495][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 406.123914][ T4363] Call trace: [ 406.124601][ T4363] dump_backtrace+0x1c8/0x1f4 [ 406.125671][ T4363] show_stack+0x2c/0x3c [ 406.126606][ T4363] dump_stack_lvl+0xc0/0x104 [ 406.127621][ T4363] dump_stack+0x1c/0x4c [ 406.128577][ T4363] should_fail_ex+0x1bc/0x1e0 [ 406.129736][ T4363] __should_failslab+0x64/0x78 [ 406.130889][ T4363] should_failslab+0x10/0x28 [ 406.132001][ T4363] __kmem_cache_alloc_node+0x6c/0x348 [ 406.133217][ T4363] __kmalloc+0x98/0xd8 [ 406.134094][ T4363] tomoyo_supervisor+0x700/0x888 [ 406.135280][ T4363] tomoyo_path_number_perm+0x200/0x2a8 [ 406.136573][ T4363] tomoyo_file_ioctl+0x2c/0x3c [ 406.137756][ T4363] security_file_ioctl+0x4c/0x8c [ 406.138907][ T4363] __arm64_sys_ioctl+0x5c/0x148 [ 406.139976][ T4363] invoke_syscall+0x64/0x178 [ 406.141090][ T4363] el0_svc_common+0xb8/0x174 [ 406.142111][ T4363] do_el0_svc+0x48/0x174 [ 406.143092][ T4363] el0_svc+0x34/0x110 [ 406.143970][ T4363] el0t_64_sync_handler+0x84/0xf0 [ 406.145312][ T4363] el0t_64_sync+0x18c/0x190 [ 406.272763][ T4363] block nbd0: shutting down sockets [ 406.366986][ T4366] FAULT_INJECTION: forcing a failure. [ 406.366986][ T4366] name failslab, interval 1, probability 0, space 0, times 0 [ 406.369973][ T4366] CPU: 1 PID: 4366 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 406.371821][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 406.374085][ T4366] Call trace: [ 406.374919][ T4366] dump_backtrace+0x1c8/0x1f4 [ 406.375972][ T4366] show_stack+0x2c/0x3c [ 406.376990][ T4366] dump_stack_lvl+0xc0/0x104 [ 406.378137][ T4366] dump_stack+0x1c/0x4c [ 406.379175][ T4366] should_fail_ex+0x1bc/0x1e0 [ 406.380148][ T4366] __should_failslab+0x64/0x78 [ 406.381321][ T4366] should_failslab+0x10/0x28 [ 406.382357][ T4366] __kmem_cache_alloc_node+0x6c/0x348 [ 406.383702][ T4366] __kmalloc+0x98/0xd8 [ 406.384774][ T4366] tomoyo_supervisor+0x700/0x888 [ 406.386034][ T4366] tomoyo_path_number_perm+0x200/0x2a8 [ 406.387353][ T4366] tomoyo_file_ioctl+0x2c/0x3c [ 406.388401][ T4366] security_file_ioctl+0x4c/0x8c [ 406.389561][ T4366] __arm64_sys_ioctl+0x5c/0x148 [ 406.390610][ T4366] invoke_syscall+0x64/0x178 [ 406.391782][ T4366] el0_svc_common+0xb8/0x174 [ 406.392898][ T4366] do_el0_svc+0x48/0x174 [ 406.393970][ T4366] el0_svc+0x34/0x110 [ 406.394971][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 406.396203][ T4366] el0t_64_sync+0x18c/0x190 [ 406.525447][ T4366] block nbd0: shutting down sockets [ 406.607081][ T4368] FAULT_INJECTION: forcing a failure. [ 406.607081][ T4368] name failslab, interval 1, probability 0, space 0, times 0 [ 406.610040][ T4368] CPU: 1 PID: 4368 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 406.612080][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 406.614326][ T4368] Call trace: [ 406.615011][ T4368] dump_backtrace+0x1c8/0x1f4 [ 406.616256][ T4368] show_stack+0x2c/0x3c [ 406.617208][ T4368] dump_stack_lvl+0xc0/0x104 [ 406.618190][ T4368] dump_stack+0x1c/0x4c [ 406.619123][ T4368] should_fail_ex+0x1bc/0x1e0 [ 406.620203][ T4368] __should_failslab+0x64/0x78 [ 406.621339][ T4368] should_failslab+0x10/0x28 [ 406.622366][ T4368] __kmem_cache_alloc_node+0x6c/0x348 [ 406.623620][ T4368] __kmalloc+0x98/0xd8 [ 406.624680][ T4368] tomoyo_supervisor+0x700/0x888 [ 406.625861][ T4368] tomoyo_path_number_perm+0x200/0x2a8 [ 406.627089][ T4368] tomoyo_file_ioctl+0x2c/0x3c [ 406.628269][ T4368] security_file_ioctl+0x4c/0x8c [ 406.629352][ T4368] __arm64_sys_ioctl+0x5c/0x148 [ 406.630550][ T4368] invoke_syscall+0x64/0x178 [ 406.631664][ T4368] el0_svc_common+0xb8/0x174 [ 406.632875][ T4368] do_el0_svc+0x48/0x174 [ 406.633845][ T4368] el0_svc+0x34/0x110 [ 406.634886][ T4368] el0t_64_sync_handler+0x84/0xf0 [ 406.636057][ T4368] el0t_64_sync+0x18c/0x190 [ 406.765024][ T4368] block nbd0: shutting down sockets [ 406.847113][ T4370] FAULT_INJECTION: forcing a failure. [ 406.847113][ T4370] name failslab, interval 1, probability 0, space 0, times 0 [ 406.850006][ T4370] CPU: 1 PID: 4370 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 406.851954][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 406.854127][ T4370] Call trace: [ 406.854737][ T4370] dump_backtrace+0x1c8/0x1f4 [ 406.855751][ T4370] show_stack+0x2c/0x3c [ 406.856669][ T4370] dump_stack_lvl+0xc0/0x104 [ 406.857688][ T4370] dump_stack+0x1c/0x4c [ 406.858620][ T4370] should_fail_ex+0x1bc/0x1e0 [ 406.859736][ T4370] __should_failslab+0x64/0x78 [ 406.860912][ T4370] should_failslab+0x10/0x28 [ 406.861974][ T4370] __kmem_cache_alloc_node+0x6c/0x348 [ 406.863081][ T4370] __kmalloc+0x98/0xd8 [ 406.863985][ T4370] tomoyo_supervisor+0x700/0x888 [ 406.865177][ T4370] tomoyo_path_number_perm+0x200/0x2a8 [ 406.866457][ T4370] tomoyo_file_ioctl+0x2c/0x3c [ 406.867622][ T4370] security_file_ioctl+0x4c/0x8c [ 406.868861][ T4370] __arm64_sys_ioctl+0x5c/0x148 [ 406.870002][ T4370] invoke_syscall+0x64/0x178 [ 406.871107][ T4370] el0_svc_common+0xb8/0x174 [ 406.872184][ T4370] do_el0_svc+0x48/0x174 [ 406.873029][ T4370] el0_svc+0x34/0x110 [ 406.874089][ T4370] el0t_64_sync_handler+0x84/0xf0 [ 406.875221][ T4370] el0t_64_sync+0x18c/0x190 [ 407.005173][ T4370] block nbd0: shutting down sockets [ 407.098241][ T4373] FAULT_INJECTION: forcing a failure. [ 407.098241][ T4373] name failslab, interval 1, probability 0, space 0, times 0 [ 407.101105][ T4373] CPU: 1 PID: 4373 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 407.102972][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 407.105343][ T4373] Call trace: [ 407.106076][ T4373] dump_backtrace+0x1c8/0x1f4 [ 407.107117][ T4373] show_stack+0x2c/0x3c [ 407.108160][ T4373] dump_stack_lvl+0xc0/0x104 [ 407.109318][ T4373] dump_stack+0x1c/0x4c [ 407.110332][ T4373] should_fail_ex+0x1bc/0x1e0 [ 407.111429][ T4373] __should_failslab+0x64/0x78 [ 407.112593][ T4373] should_failslab+0x10/0x28 [ 407.113565][ T4373] __kmem_cache_alloc_node+0x6c/0x348 [ 407.114702][ T4373] __kmalloc+0x98/0xd8 [ 407.115565][ T4373] tomoyo_supervisor+0x700/0x888 [ 407.116712][ T4373] tomoyo_path_number_perm+0x200/0x2a8 [ 407.117915][ T4373] tomoyo_file_ioctl+0x2c/0x3c [ 407.118964][ T4373] security_file_ioctl+0x4c/0x8c [ 407.119991][ T4373] __arm64_sys_ioctl+0x5c/0x148 [ 407.121147][ T4373] invoke_syscall+0x64/0x178 [ 407.122143][ T4373] el0_svc_common+0xb8/0x174 [ 407.123272][ T4373] do_el0_svc+0x48/0x174 [ 407.124256][ T4373] el0_svc+0x34/0x110 [ 407.125208][ T4373] el0t_64_sync_handler+0x84/0xf0 [ 407.126378][ T4373] el0t_64_sync+0x18c/0x190 [ 407.255993][ T4373] block nbd0: shutting down sockets [ 407.347063][ T4375] FAULT_INJECTION: forcing a failure. [ 407.347063][ T4375] name failslab, interval 1, probability 0, space 0, times 0 [ 407.350036][ T4375] CPU: 1 PID: 4375 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 407.352252][ T4375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 407.354727][ T4375] Call trace: [ 407.355508][ T4375] dump_backtrace+0x1c8/0x1f4 [ 407.356536][ T4375] show_stack+0x2c/0x3c [ 407.357378][ T4375] dump_stack_lvl+0xc0/0x104 [ 407.358512][ T4375] dump_stack+0x1c/0x4c [ 407.359487][ T4375] should_fail_ex+0x1bc/0x1e0 [ 407.360644][ T4375] __should_failslab+0x64/0x78 [ 407.361778][ T4375] should_failslab+0x10/0x28 [ 407.362827][ T4375] __kmem_cache_alloc_node+0x6c/0x348 [ 407.364182][ T4375] __kmalloc+0x98/0xd8 [ 407.365163][ T4375] tomoyo_supervisor+0x700/0x888 [ 407.366442][ T4375] tomoyo_path_number_perm+0x200/0x2a8 [ 407.367770][ T4375] tomoyo_file_ioctl+0x2c/0x3c [ 407.368948][ T4375] security_file_ioctl+0x4c/0x8c [ 407.370144][ T4375] __arm64_sys_ioctl+0x5c/0x148 [ 407.371420][ T4375] invoke_syscall+0x64/0x178 [ 407.372545][ T4375] el0_svc_common+0xb8/0x174 [ 407.373557][ T4375] do_el0_svc+0x48/0x174 [ 407.374545][ T4375] el0_svc+0x34/0x110 [ 407.375513][ T4375] el0t_64_sync_handler+0x84/0xf0 [ 407.376697][ T4375] el0t_64_sync+0x18c/0x190 [ 407.505293][ T4375] block nbd0: shutting down sockets [ 407.587032][ T4377] FAULT_INJECTION: forcing a failure. [ 407.587032][ T4377] name failslab, interval 1, probability 0, space 0, times 0 [ 407.590046][ T4377] CPU: 1 PID: 4377 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 407.591942][ T4377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 407.594132][ T4377] Call trace: [ 407.594863][ T4377] dump_backtrace+0x1c8/0x1f4 [ 407.595911][ T4377] show_stack+0x2c/0x3c [ 407.596839][ T4377] dump_stack_lvl+0xc0/0x104 [ 407.598026][ T4377] dump_stack+0x1c/0x4c [ 407.598944][ T4377] should_fail_ex+0x1bc/0x1e0 [ 407.600031][ T4377] __should_failslab+0x64/0x78 [ 407.601162][ T4377] should_failslab+0x10/0x28 [ 407.602259][ T4377] __kmem_cache_alloc_node+0x6c/0x348 [ 407.603536][ T4377] __kmalloc+0x98/0xd8 [ 407.604516][ T4377] tomoyo_supervisor+0x700/0x888 [ 407.605618][ T4377] tomoyo_path_number_perm+0x200/0x2a8 [ 407.606944][ T4377] tomoyo_file_ioctl+0x2c/0x3c [ 407.608126][ T4377] security_file_ioctl+0x4c/0x8c [ 407.609338][ T4377] __arm64_sys_ioctl+0x5c/0x148 [ 407.610437][ T4377] invoke_syscall+0x64/0x178 [ 407.611486][ T4377] el0_svc_common+0xb8/0x174 [ 407.612564][ T4377] do_el0_svc+0x48/0x174 [ 407.613580][ T4377] el0_svc+0x34/0x110 [ 407.614427][ T4377] el0t_64_sync_handler+0x84/0xf0 [ 407.615596][ T4377] el0t_64_sync+0x18c/0x190 [ 407.745204][ T4377] block nbd0: shutting down sockets [ 407.827020][ T4379] FAULT_INJECTION: forcing a failure. [ 407.827020][ T4379] name failslab, interval 1, probability 0, space 0, times 0 [ 407.829877][ T4379] CPU: 1 PID: 4379 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 407.831786][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 407.833973][ T4379] Call trace: [ 407.834955][ T4379] dump_backtrace+0x1c8/0x1f4 [ 407.835966][ T4379] show_stack+0x2c/0x3c [ 407.836895][ T4379] dump_stack_lvl+0xc0/0x104 [ 407.837923][ T4379] dump_stack+0x1c/0x4c [ 407.838892][ T4379] should_fail_ex+0x1bc/0x1e0 [ 407.840019][ T4379] __should_failslab+0x64/0x78 [ 407.841173][ T4379] should_failslab+0x10/0x28 [ 407.842126][ T4379] __kmem_cache_alloc_node+0x6c/0x348 [ 407.843352][ T4379] __kmalloc+0x98/0xd8 [ 407.844302][ T4379] tomoyo_supervisor+0x700/0x888 [ 407.845528][ T4379] tomoyo_path_number_perm+0x200/0x2a8 [ 407.846850][ T4379] tomoyo_file_ioctl+0x2c/0x3c [ 407.847872][ T4379] security_file_ioctl+0x4c/0x8c [ 407.849029][ T4379] __arm64_sys_ioctl+0x5c/0x148 [ 407.850155][ T4379] invoke_syscall+0x64/0x178 [ 407.851263][ T4379] el0_svc_common+0xb8/0x174 [ 407.852237][ T4379] do_el0_svc+0x48/0x174 [ 407.853189][ T4379] el0_svc+0x34/0x110 [ 407.854020][ T4379] el0t_64_sync_handler+0x84/0xf0 [ 407.855265][ T4379] el0t_64_sync+0x18c/0x190 [ 407.985617][ T4379] block nbd0: shutting down sockets [ 408.096001][ T4381] FAULT_INJECTION: forcing a failure. [ 408.096001][ T4381] name failslab, interval 1, probability 0, space 0, times 0 [ 408.099080][ T4381] CPU: 0 PID: 4381 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 408.101075][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 408.103511][ T4381] Call trace: [ 408.104273][ T4381] dump_backtrace+0x1c8/0x1f4 [ 408.105217][ T4381] show_stack+0x2c/0x3c [ 408.106334][ T4381] dump_stack_lvl+0xc0/0x104 [ 408.107479][ T4381] dump_stack+0x1c/0x4c [ 408.108331][ T4381] should_fail_ex+0x1bc/0x1e0 [ 408.109438][ T4381] __should_failslab+0x64/0x78 [ 408.110620][ T4381] should_failslab+0x10/0x28 [ 408.111720][ T4381] __kmem_cache_alloc_node+0x6c/0x348 [ 408.112922][ T4381] __kmalloc+0x98/0xd8 [ 408.113890][ T4381] tomoyo_supervisor+0x700/0x888 [ 408.115062][ T4381] tomoyo_path_number_perm+0x200/0x2a8 [ 408.116410][ T4381] tomoyo_file_ioctl+0x2c/0x3c [ 408.117575][ T4381] security_file_ioctl+0x4c/0x8c [ 408.118730][ T4381] __arm64_sys_ioctl+0x5c/0x148 [ 408.119912][ T4381] invoke_syscall+0x64/0x178 [ 408.120917][ T4381] el0_svc_common+0xb8/0x174 [ 408.122004][ T4381] do_el0_svc+0x48/0x174 [ 408.123004][ T4381] el0_svc+0x34/0x110 [ 408.123980][ T4381] el0t_64_sync_handler+0x84/0xf0 [ 408.125127][ T4381] el0t_64_sync+0x18c/0x190 [ 408.126362][ T4382] block nbd0: Device being setup by another task [ 408.253875][ T4381] block nbd0: shutting down sockets [ 408.364994][ T4384] FAULT_INJECTION: forcing a failure. [ 408.364994][ T4384] name failslab, interval 1, probability 0, space 0, times 0 [ 408.367982][ T4384] CPU: 0 PID: 4384 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 408.369806][ T4384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 408.371987][ T4384] Call trace: [ 408.372675][ T4384] dump_backtrace+0x1c8/0x1f4 [ 408.373838][ T4384] show_stack+0x2c/0x3c [ 408.374779][ T4384] dump_stack_lvl+0xc0/0x104 [ 408.375916][ T4384] dump_stack+0x1c/0x4c [ 408.376711][ T4385] block nbd0: Device being setup by another task [ 408.376836][ T4384] should_fail_ex+0x1bc/0x1e0 [ 408.379441][ T4384] __should_failslab+0x64/0x78 [ 408.380586][ T4384] should_failslab+0x10/0x28 [ 408.381688][ T4384] __kmem_cache_alloc_node+0x6c/0x348 [ 408.383009][ T4384] __kmalloc+0x98/0xd8 [ 408.383893][ T4384] tomoyo_supervisor+0x700/0x888 [ 408.385006][ T4384] tomoyo_path_number_perm+0x200/0x2a8 [ 408.386264][ T4384] tomoyo_file_ioctl+0x2c/0x3c [ 408.387346][ T4384] security_file_ioctl+0x4c/0x8c [ 408.388569][ T4384] __arm64_sys_ioctl+0x5c/0x148 [ 408.389796][ T4384] invoke_syscall+0x64/0x178 [ 408.390795][ T4384] el0_svc_common+0xb8/0x174 [ 408.391783][ T4384] do_el0_svc+0x48/0x174 [ 408.392758][ T4384] el0_svc+0x34/0x110 [ 408.393657][ T4384] el0t_64_sync_handler+0x84/0xf0 [ 408.394777][ T4384] el0t_64_sync+0x18c/0x190 [ 408.523266][ T4384] block nbd0: shutting down sockets [ 408.617025][ T4387] FAULT_INJECTION: forcing a failure. [ 408.617025][ T4387] name failslab, interval 1, probability 0, space 0, times 0 [ 408.619838][ T4387] CPU: 0 PID: 4387 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 408.621786][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 408.624051][ T4387] Call trace: [ 408.624767][ T4387] dump_backtrace+0x1c8/0x1f4 [ 408.625823][ T4387] show_stack+0x2c/0x3c [ 408.626770][ T4387] dump_stack_lvl+0xc0/0x104 [ 408.627818][ T4387] dump_stack+0x1c/0x4c [ 408.628777][ T4387] should_fail_ex+0x1bc/0x1e0 [ 408.629882][ T4387] __should_failslab+0x64/0x78 [ 408.631094][ T4387] should_failslab+0x10/0x28 [ 408.632150][ T4387] __kmem_cache_alloc_node+0x6c/0x348 [ 408.633447][ T4387] __kmalloc+0x98/0xd8 [ 408.634320][ T4387] tomoyo_supervisor+0x700/0x888 [ 408.635355][ T4387] tomoyo_path_number_perm+0x200/0x2a8 [ 408.636668][ T4387] tomoyo_file_ioctl+0x2c/0x3c [ 408.637835][ T4387] security_file_ioctl+0x4c/0x8c [ 408.638970][ T4387] __arm64_sys_ioctl+0x5c/0x148 [ 408.640155][ T4387] invoke_syscall+0x64/0x178 [ 408.641265][ T4387] el0_svc_common+0xb8/0x174 [ 408.642268][ T4387] do_el0_svc+0x48/0x174 [ 408.643188][ T4387] el0_svc+0x34/0x110 [ 408.644174][ T4387] el0t_64_sync_handler+0x84/0xf0 [ 408.645409][ T4387] el0t_64_sync+0x18c/0x190 [ 408.774729][ T4387] block nbd0: shutting down sockets [ 408.916711][ T4390] block nbd0: Device being setup by another task [ 408.958152][ T4389] FAULT_INJECTION: forcing a failure. [ 408.958152][ T4389] name failslab, interval 1, probability 0, space 0, times 0 [ 408.961203][ T4389] CPU: 1 PID: 4389 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 408.963164][ T4389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 408.965519][ T4389] Call trace: [ 408.966261][ T4389] dump_backtrace+0x1c8/0x1f4 [ 408.967525][ T4389] show_stack+0x2c/0x3c [ 408.968517][ T4389] dump_stack_lvl+0xc0/0x104 [ 408.969611][ T4389] dump_stack+0x1c/0x4c [ 408.970670][ T4389] should_fail_ex+0x1bc/0x1e0 [ 408.971842][ T4389] __should_failslab+0x64/0x78 [ 408.972993][ T4389] should_failslab+0x10/0x28 [ 408.974017][ T4389] __kmem_cache_alloc_node+0x6c/0x348 [ 408.975302][ T4389] __kmalloc_node_track_caller+0x84/0xc0 [ 408.976701][ T4389] kstrdup_const+0x90/0xdc [ 408.977715][ T4389] __kernfs_new_node+0x5c/0x2e8 [ 408.978823][ T4389] kernfs_create_dir_ns+0x68/0x144 [ 408.980084][ T4389] sysfs_create_dir_ns+0x8c/0x168 [ 408.981319][ T4389] kobject_add_internal+0x314/0x64c [ 408.982501][ T4389] kobject_add+0xb8/0x130 [ 408.983443][ T4389] blk_mq_register_hctx+0x54/0x184 [ 408.984594][ T4389] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 408.985888][ T4389] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 408.987316][ T4389] nbd_start_device+0xc4/0x504 [ 408.988484][ T4389] nbd_ioctl+0x228/0x66c [ 408.989494][ T4389] blkdev_ioctl+0x218/0x664 [ 408.990589][ T4389] __arm64_sys_ioctl+0xd0/0x148 [ 408.991735][ T4389] invoke_syscall+0x64/0x178 [ 408.992721][ T4389] el0_svc_common+0xb8/0x174 [ 408.993739][ T4389] do_el0_svc+0x48/0x174 [ 408.994693][ T4389] el0_svc+0x34/0x110 [ 408.995651][ T4389] el0t_64_sync_handler+0x84/0xf0 [ 408.996791][ T4389] el0t_64_sync+0x18c/0x190 [ 408.997940][ T4389] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 409.044943][ T4389] block nbd0: shutting down sockets [ 409.216724][ T4393] block nbd0: Device being setup by another task [ 409.218325][ T4392] FAULT_INJECTION: forcing a failure. [ 409.218325][ T4392] name failslab, interval 1, probability 0, space 0, times 0 [ 409.221231][ T4392] CPU: 0 PID: 4392 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 409.223120][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 409.225350][ T4392] Call trace: [ 409.226067][ T4392] dump_backtrace+0x1c8/0x1f4 [ 409.227288][ T4392] show_stack+0x2c/0x3c [ 409.228224][ T4392] dump_stack_lvl+0xc0/0x104 [ 409.229349][ T4392] dump_stack+0x1c/0x4c [ 409.230272][ T4392] should_fail_ex+0x1bc/0x1e0 [ 409.231416][ T4392] __should_failslab+0x64/0x78 [ 409.232523][ T4392] should_failslab+0x10/0x28 [ 409.233723][ T4392] slab_pre_alloc_hook+0x54/0x1f4 [ 409.235004][ T4392] kmem_cache_alloc_lru+0x60/0x2ac [ 409.236259][ T4392] alloc_inode+0x7c/0x104 [ 409.237277][ T4392] new_inode+0x2c/0xc0 [ 409.238269][ T4392] debugfs_create_dir+0x98/0x1e0 [ 409.239468][ T4392] nbd_start_device+0x1b4/0x504 [ 409.240641][ T4392] nbd_ioctl+0x228/0x66c [ 409.241663][ T4392] blkdev_ioctl+0x218/0x664 [ 409.242687][ T4392] __arm64_sys_ioctl+0xd0/0x148 [ 409.243967][ T4392] invoke_syscall+0x64/0x178 [ 409.245068][ T4392] el0_svc_common+0xb8/0x174 [ 409.246095][ T4392] do_el0_svc+0x48/0x174 [ 409.247206][ T4392] el0_svc+0x34/0x110 [ 409.248158][ T4392] el0t_64_sync_handler+0x84/0xf0 [ 409.249357][ T4392] el0t_64_sync+0x18c/0x190 [ 409.250435][ T4392] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.252242][ T4392] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.313057][ T4392] block nbd0: shutting down sockets [ 409.438922][ T4395] ------------[ cut here ]------------ [ 409.440314][ T4395] kernfs: can not remove 'nr_tags', no directory [ 409.441688][ T4395] WARNING: CPU: 1 PID: 4395 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 409.444059][ T4395] Modules linked in: [ 409.444976][ T4395] CPU: 1 PID: 4395 Comm: syz-executor398 Not tainted 6.1.68-syzkaller #0 [ 409.446789][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 409.449413][ T4395] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 409.451278][ T4395] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 409.452632][ T4395] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 409.454089][ T4395] sp : ffff80000de83ac0 [ 409.455029][ T4395] x29: ffff80000de83ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 409.456878][ T4395] x26: ffff0000c69d8908 x25: ffff80000de83be8 x24: ffff0000c57b5500 [ 409.458893][ T4395] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 409.460848][ T4395] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 409.462680][ T4395] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 409.464493][ T4395] x14: 0000000000000000 x13: 205d353933345420 x12: ffff80000d193000 [ 409.466373][ T4395] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 932e763153639900 [ 409.468266][ T4395] x8 : 932e763153639900 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 409.470149][ T4395] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 409.471936][ T4395] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 409.473780][ T4395] Call trace: [ 409.474616][ T4395] kernfs_remove_by_name_ns+0xb4/0x110 [ 409.475833][ T4395] sysfs_remove_group+0x68/0x160 [ 409.476995][ T4395] sysfs_remove_groups+0x3c/0x78 [ 409.478095][ T4395] __kobject_del+0x34/0x134 [ 409.479120][ T4395] kobject_del+0x2c/0x4c [ 409.480101][ T4395] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 409.481385][ T4395] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 409.482690][ T4395] nbd_start_device+0xc4/0x504 [ 409.483716][ T4395] nbd_ioctl+0x228/0x66c [ 409.484755][ T4395] blkdev_ioctl+0x218/0x664 [ 409.485865][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 409.486963][ T4395] invoke_syscall+0x64/0x178 [ 409.487953][ T4395] el0_svc_common+0xb8/0x174 [ 409.489167][ T4395] do_el0_svc+0x48/0x174 [ 409.490071][ T4395] el0_svc+0x34/0x110 [ 409.491029][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 409.492285][ T4395] el0t_64_sync+0x18c/0x190 [ 409.493317][ T4395] ---[ end trace 0000000000000000 ]--- [ 409.494744][ T4395] ------------[ cut here ]------------ [ 409.495905][ T4395] kernfs: can not remove 'nr_reserved_tags', no directory [ 409.497592][ T4395] WARNING: CPU: 1 PID: 4395 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 409.499730][ T4395] Modules linked in: [ 409.500593][ T4395] CPU: 1 PID: 4395 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 409.502991][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 409.505264][ T4395] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 409.506969][ T4395] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 409.508378][ T4395] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 409.509757][ T4395] sp : ffff80000de83ac0 [ 409.510737][ T4395] x29: ffff80000de83ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 409.512772][ T4395] x26: ffff0000c69d8908 x25: ffff80000de83be8 x24: ffff0000c57b5500 [ 409.514593][ T4395] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 409.516484][ T4395] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 409.518327][ T4395] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 409.520268][ T4395] x14: 0000000000000000 x13: 205d353933345420 x12: ffff80000d193000 [ 409.522242][ T4395] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 932e763153639900 [ 409.523951][ T4395] x8 : 932e763153639900 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 409.525808][ T4395] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 409.527794][ T4395] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 409.529628][ T4395] Call trace: [ 409.530410][ T4395] kernfs_remove_by_name_ns+0xb4/0x110 [ 409.531744][ T4395] sysfs_remove_group+0x68/0x160 [ 409.532903][ T4395] sysfs_remove_groups+0x3c/0x78 [ 409.534089][ T4395] __kobject_del+0x34/0x134 [ 409.535216][ T4395] kobject_del+0x2c/0x4c [ 409.536189][ T4395] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 409.537466][ T4395] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 409.538904][ T4395] nbd_start_device+0xc4/0x504 [ 409.540053][ T4395] nbd_ioctl+0x228/0x66c [ 409.541183][ T4395] blkdev_ioctl+0x218/0x664 [ 409.542202][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 409.543350][ T4395] invoke_syscall+0x64/0x178 [ 409.544513][ T4395] el0_svc_common+0xb8/0x174 [ 409.545544][ T4395] do_el0_svc+0x48/0x174 [ 409.546573][ T4395] el0_svc+0x34/0x110 [ 409.547519][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 409.548664][ T4395] el0t_64_sync+0x18c/0x190 [ 409.549833][ T4395] ---[ end trace 0000000000000000 ]--- [ 409.551121][ T4395] ------------[ cut here ]------------ [ 409.552286][ T4395] kernfs: can not remove 'cpu_list', no directory [ 409.553852][ T4395] WARNING: CPU: 1 PID: 4395 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 409.556123][ T4395] Modules linked in: [ 409.557103][ T4395] CPU: 1 PID: 4395 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 409.559316][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 409.561711][ T4395] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 409.563658][ T4395] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 409.564863][ T4395] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 409.566180][ T4395] sp : ffff80000de83ac0 [ 409.567018][ T4395] x29: ffff80000de83ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 409.568869][ T4395] x26: ffff0000c69d8908 x25: ffff80000de83be8 x24: ffff0000c57b5500 [ 409.570731][ T4395] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 409.572618][ T4395] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 409.574467][ T4395] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 409.576215][ T4395] x14: 0000000000000000 x13: 205d353933345420 x12: ffff80000d193000 [ 409.578096][ T4395] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 932e763153639900 [ 409.580095][ T4395] x8 : 932e763153639900 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 409.582059][ T4395] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 409.584028][ T4395] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 409.585966][ T4395] Call trace: [ 409.586653][ T4395] kernfs_remove_by_name_ns+0xb4/0x110 [ 409.587856][ T4395] sysfs_remove_group+0x68/0x160 [ 409.588936][ T4395] sysfs_remove_groups+0x3c/0x78 [ 409.590145][ T4395] __kobject_del+0x34/0x134 [ 409.591183][ T4395] kobject_del+0x2c/0x4c [ 409.592185][ T4395] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 409.593508][ T4395] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 409.594798][ T4395] nbd_start_device+0xc4/0x504 [ 409.595949][ T4395] nbd_ioctl+0x228/0x66c [ 409.596995][ T4395] blkdev_ioctl+0x218/0x664 [ 409.598048][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 409.599454][ T4395] invoke_syscall+0x64/0x178 [ 409.600572][ T4395] el0_svc_common+0xb8/0x174 [ 409.601651][ T4395] do_el0_svc+0x48/0x174 [ 409.602613][ T4395] el0_svc+0x34/0x110 [ 409.603474][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 409.604690][ T4395] el0t_64_sync+0x18c/0x190 [ 409.605773][ T4395] ---[ end trace 0000000000000000 ]--- [ 409.609671][ T4395] block nbd0: shutting down sockets [ 409.726820][ T4398] FAULT_INJECTION: forcing a failure. [ 409.726820][ T4398] name failslab, interval 1, probability 0, space 0, times 0 [ 409.729992][ T4398] CPU: 1 PID: 4398 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 409.732008][ T4398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 409.734102][ T4398] Call trace: [ 409.734796][ T4398] dump_backtrace+0x1c8/0x1f4 [ 409.735942][ T4398] show_stack+0x2c/0x3c [ 409.736929][ T4398] dump_stack_lvl+0xc0/0x104 [ 409.738092][ T4398] dump_stack+0x1c/0x4c [ 409.739086][ T4398] should_fail_ex+0x1bc/0x1e0 [ 409.740238][ T4398] __should_failslab+0x64/0x78 [ 409.741268][ T4398] should_failslab+0x10/0x28 [ 409.742222][ T4398] slab_pre_alloc_hook+0x54/0x1f4 [ 409.743326][ T4398] kmem_cache_alloc_lru+0x60/0x2ac [ 409.744400][ T4398] alloc_inode+0x7c/0x104 [ 409.745334][ T4398] new_inode+0x2c/0xc0 [ 409.746272][ T4398] debugfs_create_dir+0x98/0x1e0 [ 409.747308][ T4398] nbd_start_device+0x1b4/0x504 [ 409.748493][ T4398] nbd_ioctl+0x228/0x66c [ 409.749482][ T4398] blkdev_ioctl+0x218/0x664 [ 409.750637][ T4398] __arm64_sys_ioctl+0xd0/0x148 [ 409.751664][ T4398] invoke_syscall+0x64/0x178 [ 409.752664][ T4398] el0_svc_common+0xb8/0x174 [ 409.753703][ T4398] do_el0_svc+0x48/0x174 [ 409.754645][ T4398] el0_svc+0x34/0x110 [ 409.755605][ T4398] el0t_64_sync_handler+0x84/0xf0 [ 409.756770][ T4398] el0t_64_sync+0x18c/0x190 [ 409.757885][ T4398] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.759782][ T4398] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.875861][ T4398] block nbd0: shutting down sockets [ 409.956990][ T4400] FAULT_INJECTION: forcing a failure. [ 409.956990][ T4400] name failslab, interval 1, probability 0, space 0, times 0 [ 409.959918][ T4400] CPU: 0 PID: 4400 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 409.962181][ T4400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 409.964554][ T4400] Call trace: [ 409.965265][ T4400] dump_backtrace+0x1c8/0x1f4 [ 409.966300][ T4400] show_stack+0x2c/0x3c [ 409.967219][ T4400] dump_stack_lvl+0xc0/0x104 [ 409.968370][ T4400] dump_stack+0x1c/0x4c [ 409.969425][ T4400] should_fail_ex+0x1bc/0x1e0 [ 409.970413][ T4400] __should_failslab+0x64/0x78 [ 409.971487][ T4400] should_failslab+0x10/0x28 [ 409.972554][ T4400] slab_pre_alloc_hook+0x54/0x1f4 [ 409.973606][ T4400] kmem_cache_alloc_lru+0x60/0x2ac [ 409.974778][ T4400] alloc_inode+0x7c/0x104 [ 409.975927][ T4400] new_inode+0x2c/0xc0 [ 409.976971][ T4400] debugfs_create_dir+0x98/0x1e0 [ 409.978111][ T4400] nbd_start_device+0x1b4/0x504 [ 409.979276][ T4400] nbd_ioctl+0x228/0x66c [ 409.980378][ T4400] blkdev_ioctl+0x218/0x664 [ 409.981338][ T4400] __arm64_sys_ioctl+0xd0/0x148 [ 409.982455][ T4400] invoke_syscall+0x64/0x178 [ 409.983395][ T4400] el0_svc_common+0xb8/0x174 [ 409.984394][ T4400] do_el0_svc+0x48/0x174 [ 409.985382][ T4400] el0_svc+0x34/0x110 [ 409.986368][ T4400] el0t_64_sync_handler+0x84/0xf0 [ 409.987587][ T4400] el0t_64_sync+0x18c/0x190 [ 409.988718][ T4400] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.990639][ T4400] block nbd0: Failed to create debugfs dir for 'nbd0' [ 410.114773][ T4400] block nbd0: shutting down sockets [ 410.236693][ T4403] block nbd0: Device being setup by another task [ 410.278882][ T4402] FAULT_INJECTION: forcing a failure. [ 410.278882][ T4402] name failslab, interval 1, probability 0, space 0, times 0 [ 410.281916][ T4402] CPU: 1 PID: 4402 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 410.284282][ T4402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 410.286569][ T4402] Call trace: [ 410.287282][ T4402] dump_backtrace+0x1c8/0x1f4 [ 410.288369][ T4402] show_stack+0x2c/0x3c [ 410.289420][ T4402] dump_stack_lvl+0xc0/0x104 [ 410.290426][ T4402] dump_stack+0x1c/0x4c [ 410.291349][ T4402] should_fail_ex+0x1bc/0x1e0 [ 410.292395][ T4402] __should_failslab+0x64/0x78 [ 410.293490][ T4402] should_failslab+0x10/0x28 [ 410.294478][ T4402] __kmem_cache_alloc_node+0x6c/0x348 [ 410.295765][ T4402] __kmalloc_node_track_caller+0x84/0xc0 [ 410.297268][ T4402] kstrdup_const+0x90/0xdc [ 410.298320][ T4402] __kernfs_new_node+0x5c/0x2e8 [ 410.299465][ T4402] kernfs_create_dir_ns+0x68/0x144 [ 410.300730][ T4402] sysfs_create_dir_ns+0x8c/0x168 [ 410.301928][ T4402] kobject_add_internal+0x314/0x64c [ 410.303113][ T4402] kobject_add+0xb8/0x130 [ 410.304021][ T4402] blk_mq_register_hctx+0x54/0x184 [ 410.305238][ T4402] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 410.306540][ T4402] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 410.308051][ T4402] nbd_start_device+0xc4/0x504 [ 410.309135][ T4402] nbd_ioctl+0x228/0x66c [ 410.310105][ T4402] blkdev_ioctl+0x218/0x664 [ 410.311108][ T4402] __arm64_sys_ioctl+0xd0/0x148 [ 410.312269][ T4402] invoke_syscall+0x64/0x178 [ 410.313378][ T4402] el0_svc_common+0xb8/0x174 [ 410.314398][ T4402] do_el0_svc+0x48/0x174 [ 410.315325][ T4402] el0_svc+0x34/0x110 [ 410.316393][ T4402] el0t_64_sync_handler+0x84/0xf0 [ 410.317598][ T4402] el0t_64_sync+0x18c/0x190 [ 410.318614][ T4402] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 410.385026][ T4402] block nbd0: shutting down sockets [ 410.496695][ T4406] block nbd0: Device being setup by another task [ 410.498226][ T4405] FAULT_INJECTION: forcing a failure. [ 410.498226][ T4405] name failslab, interval 1, probability 0, space 0, times 0 [ 410.501282][ T4405] CPU: 0 PID: 4405 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 410.503517][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 410.505837][ T4405] Call trace: [ 410.506626][ T4405] dump_backtrace+0x1c8/0x1f4 [ 410.507626][ T4405] show_stack+0x2c/0x3c [ 410.508602][ T4405] dump_stack_lvl+0xc0/0x104 [ 410.509607][ T4405] dump_stack+0x1c/0x4c [ 410.510638][ T4405] should_fail_ex+0x1bc/0x1e0 [ 410.511631][ T4405] __should_failslab+0x64/0x78 [ 410.513002][ T4405] should_failslab+0x10/0x28 [ 410.514162][ T4405] slab_pre_alloc_hook+0x54/0x1f4 [ 410.515361][ T4405] kmem_cache_alloc_lru+0x60/0x2ac [ 410.516497][ T4405] alloc_inode+0x7c/0x104 [ 410.517510][ T4405] new_inode+0x2c/0xc0 [ 410.518392][ T4405] debugfs_create_dir+0x98/0x1e0 [ 410.519539][ T4405] nbd_start_device+0x1b4/0x504 [ 410.520646][ T4405] nbd_ioctl+0x228/0x66c [ 410.521599][ T4405] blkdev_ioctl+0x218/0x664 [ 410.522680][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 410.523899][ T4405] invoke_syscall+0x64/0x178 [ 410.524908][ T4405] el0_svc_common+0xb8/0x174 [ 410.525892][ T4405] do_el0_svc+0x48/0x174 [ 410.526929][ T4405] el0_svc+0x34/0x110 [ 410.527798][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 410.528947][ T4405] el0t_64_sync+0x18c/0x190 [ 410.529951][ T4405] debugfs: out of free dentries, can not create directory 'nbd0' [ 410.531735][ T4405] block nbd0: Failed to create debugfs dir for 'nbd0' [ 410.654052][ T4405] block nbd0: shutting down sockets [ 410.788125][ T4408] ------------[ cut here ]------------ [ 410.789342][ T4408] kernfs: can not remove 'nr_tags', no directory [ 410.790869][ T4408] WARNING: CPU: 1 PID: 4408 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 410.793083][ T4408] Modules linked in: [ 410.793951][ T4408] CPU: 1 PID: 4408 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 410.796187][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 410.798402][ T4408] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 410.800249][ T4408] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 410.801670][ T4408] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 410.803080][ T4408] sp : ffff80000de4bac0 [ 410.804047][ T4408] x29: ffff80000de4bac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 410.805839][ T4408] x26: ffff0000c69d8908 x25: ffff80000de4bbe8 x24: ffff0001ffb3a000 [ 410.807656][ T4408] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 410.809757][ T4408] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 410.811791][ T4408] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 410.813604][ T4408] x14: 0000000000000000 x13: 205d383034345420 x12: ffff80000d193000 [ 410.815486][ T4408] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0155f15d07e7a500 [ 410.817320][ T4408] x8 : 0155f15d07e7a500 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 410.819095][ T4408] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 410.820917][ T4408] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 410.822745][ T4408] Call trace: [ 410.823486][ T4408] kernfs_remove_by_name_ns+0xb4/0x110 [ 410.824723][ T4408] sysfs_remove_group+0x68/0x160 [ 410.825880][ T4408] sysfs_remove_groups+0x3c/0x78 [ 410.827074][ T4408] __kobject_del+0x34/0x134 [ 410.828057][ T4408] kobject_del+0x2c/0x4c [ 410.829002][ T4408] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 410.830289][ T4408] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 410.831639][ T4408] nbd_start_device+0xc4/0x504 [ 410.832672][ T4408] nbd_ioctl+0x228/0x66c [ 410.833638][ T4408] blkdev_ioctl+0x218/0x664 [ 410.834821][ T4408] __arm64_sys_ioctl+0xd0/0x148 [ 410.835913][ T4408] invoke_syscall+0x64/0x178 [ 410.837063][ T4408] el0_svc_common+0xb8/0x174 [ 410.838205][ T4408] do_el0_svc+0x48/0x174 [ 410.839095][ T4408] el0_svc+0x34/0x110 [ 410.839961][ T4408] el0t_64_sync_handler+0x84/0xf0 [ 410.841245][ T4408] el0t_64_sync+0x18c/0x190 [ 410.842237][ T4408] ---[ end trace 0000000000000000 ]--- [ 410.843448][ T4408] ------------[ cut here ]------------ [ 410.844606][ T4408] kernfs: can not remove 'nr_reserved_tags', no directory [ 410.846163][ T4408] WARNING: CPU: 1 PID: 4408 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 410.848632][ T4408] Modules linked in: [ 410.849648][ T4408] CPU: 1 PID: 4408 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 410.851950][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 410.854327][ T4408] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 410.856056][ T4408] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 410.857493][ T4408] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 410.858898][ T4408] sp : ffff80000de4bac0 [ 410.860046][ T4408] x29: ffff80000de4bac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 410.861911][ T4408] x26: ffff0000c69d8908 x25: ffff80000de4bbe8 x24: ffff0001ffb3a000 [ 410.863938][ T4408] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 410.865774][ T4408] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 410.867822][ T4408] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 410.869712][ T4408] x14: 0000000000000000 x13: 205d383034345420 x12: ffff80000d193000 [ 410.871656][ T4408] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0155f15d07e7a500 [ 410.873671][ T4408] x8 : 0155f15d07e7a500 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 410.875526][ T4408] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 410.877413][ T4408] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 410.879157][ T4408] Call trace: [ 410.879910][ T4408] kernfs_remove_by_name_ns+0xb4/0x110 [ 410.881191][ T4408] sysfs_remove_group+0x68/0x160 [ 410.882399][ T4408] sysfs_remove_groups+0x3c/0x78 [ 410.883517][ T4408] __kobject_del+0x34/0x134 [ 410.884550][ T4408] kobject_del+0x2c/0x4c [ 410.885552][ T4408] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 410.886984][ T4408] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 410.888176][ T4408] nbd_start_device+0xc4/0x504 [ 410.889213][ T4408] nbd_ioctl+0x228/0x66c [ 410.890239][ T4408] blkdev_ioctl+0x218/0x664 [ 410.891306][ T4408] __arm64_sys_ioctl+0xd0/0x148 [ 410.892473][ T4408] invoke_syscall+0x64/0x178 [ 410.893564][ T4408] el0_svc_common+0xb8/0x174 [ 410.894561][ T4408] do_el0_svc+0x48/0x174 [ 410.895504][ T4408] el0_svc+0x34/0x110 [ 410.896496][ T4408] el0t_64_sync_handler+0x84/0xf0 [ 410.897720][ T4408] el0t_64_sync+0x18c/0x190 [ 410.898705][ T4408] ---[ end trace 0000000000000000 ]--- [ 410.900078][ T4408] ------------[ cut here ]------------ [ 410.901337][ T4408] kernfs: can not remove 'cpu_list', no directory [ 410.902870][ T4408] WARNING: CPU: 1 PID: 4408 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 410.905167][ T4408] Modules linked in: [ 410.906085][ T4408] CPU: 1 PID: 4408 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 410.908373][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 410.910786][ T4408] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 410.912659][ T4408] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 410.914211][ T4408] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 410.915624][ T4408] sp : ffff80000de4bac0 [ 410.916718][ T4408] x29: ffff80000de4bac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 410.918520][ T4408] x26: ffff0000c69d8908 x25: ffff80000de4bbe8 x24: ffff0001ffb3a000 [ 410.920528][ T4408] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 410.922345][ T4408] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 410.924318][ T4408] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 410.926300][ T4408] x14: 0000000000000000 x13: 205d383034345420 x12: ffff80000d193000 [ 410.928285][ T4408] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0155f15d07e7a500 [ 410.930268][ T4408] x8 : 0155f15d07e7a500 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 410.932246][ T4408] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 410.934146][ T4408] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 410.935944][ T4408] Call trace: [ 410.936623][ T4408] kernfs_remove_by_name_ns+0xb4/0x110 [ 410.937929][ T4408] sysfs_remove_group+0x68/0x160 [ 410.939060][ T4408] sysfs_remove_groups+0x3c/0x78 [ 410.940327][ T4408] __kobject_del+0x34/0x134 [ 410.941407][ T4408] kobject_del+0x2c/0x4c [ 410.942447][ T4408] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 410.943927][ T4408] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 410.945216][ T4408] nbd_start_device+0xc4/0x504 [ 410.946259][ T4408] nbd_ioctl+0x228/0x66c [ 410.947278][ T4408] blkdev_ioctl+0x218/0x664 [ 410.948364][ T4408] __arm64_sys_ioctl+0xd0/0x148 [ 410.949532][ T4408] invoke_syscall+0x64/0x178 [ 410.950620][ T4408] el0_svc_common+0xb8/0x174 [ 410.951610][ T4408] do_el0_svc+0x48/0x174 [ 410.952662][ T4408] el0_svc+0x34/0x110 [ 410.953465][ T4408] el0t_64_sync_handler+0x84/0xf0 [ 410.954699][ T4408] el0t_64_sync+0x18c/0x190 [ 410.955728][ T4408] ---[ end trace 0000000000000000 ]--- [ 410.958434][ T4408] block nbd0: shutting down sockets [ 411.026908][ T4410] FAULT_INJECTION: forcing a failure. [ 411.026908][ T4410] name failslab, interval 1, probability 0, space 0, times 0 [ 411.029803][ T4410] CPU: 1 PID: 4410 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 411.032079][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 411.034438][ T4410] Call trace: [ 411.035143][ T4410] dump_backtrace+0x1c8/0x1f4 [ 411.036199][ T4410] show_stack+0x2c/0x3c [ 411.037197][ T4410] dump_stack_lvl+0xc0/0x104 [ 411.038294][ T4410] dump_stack+0x1c/0x4c [ 411.039267][ T4410] should_fail_ex+0x1bc/0x1e0 [ 411.040508][ T4410] __should_failslab+0x64/0x78 [ 411.041697][ T4410] should_failslab+0x10/0x28 [ 411.042707][ T4410] slab_pre_alloc_hook+0x54/0x1f4 [ 411.043782][ T4410] kmem_cache_alloc_lru+0x60/0x2ac [ 411.044945][ T4410] alloc_inode+0x7c/0x104 [ 411.045977][ T4410] new_inode+0x2c/0xc0 [ 411.047031][ T4410] debugfs_create_dir+0x98/0x1e0 [ 411.048221][ T4410] nbd_start_device+0x1b4/0x504 [ 411.049315][ T4410] nbd_ioctl+0x228/0x66c [ 411.050354][ T4410] blkdev_ioctl+0x218/0x664 [ 411.051370][ T4410] __arm64_sys_ioctl+0xd0/0x148 [ 411.052585][ T4410] invoke_syscall+0x64/0x178 [ 411.053575][ T4410] el0_svc_common+0xb8/0x174 [ 411.054644][ T4410] do_el0_svc+0x48/0x174 [ 411.055687][ T4410] el0_svc+0x34/0x110 [ 411.056551][ T4410] el0t_64_sync_handler+0x84/0xf0 [ 411.057776][ T4410] el0t_64_sync+0x18c/0x190 [ 411.058777][ T4410] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.060588][ T4410] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.185032][ T4410] block nbd0: shutting down sockets [ 411.267015][ T4412] FAULT_INJECTION: forcing a failure. [ 411.267015][ T4412] name failslab, interval 1, probability 0, space 0, times 0 [ 411.269988][ T4412] CPU: 0 PID: 4412 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 411.272195][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 411.274459][ T4412] Call trace: [ 411.275173][ T4412] dump_backtrace+0x1c8/0x1f4 [ 411.276329][ T4412] show_stack+0x2c/0x3c [ 411.277276][ T4412] dump_stack_lvl+0xc0/0x104 [ 411.278291][ T4412] dump_stack+0x1c/0x4c [ 411.279275][ T4412] should_fail_ex+0x1bc/0x1e0 [ 411.280410][ T4412] __should_failslab+0x64/0x78 [ 411.281602][ T4412] should_failslab+0x10/0x28 [ 411.282767][ T4412] slab_pre_alloc_hook+0x54/0x1f4 [ 411.283894][ T4412] kmem_cache_alloc_lru+0x60/0x2ac [ 411.285191][ T4412] alloc_inode+0x7c/0x104 [ 411.286249][ T4412] new_inode+0x2c/0xc0 [ 411.287184][ T4412] debugfs_create_dir+0x98/0x1e0 [ 411.288319][ T4412] nbd_start_device+0x1b4/0x504 [ 411.289467][ T4412] nbd_ioctl+0x228/0x66c [ 411.290363][ T4412] blkdev_ioctl+0x218/0x664 [ 411.291475][ T4412] __arm64_sys_ioctl+0xd0/0x148 [ 411.292711][ T4412] invoke_syscall+0x64/0x178 [ 411.293796][ T4412] el0_svc_common+0xb8/0x174 [ 411.294863][ T4412] do_el0_svc+0x48/0x174 [ 411.295742][ T4412] el0_svc+0x34/0x110 [ 411.296627][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 411.297780][ T4412] el0t_64_sync+0x18c/0x190 [ 411.298860][ T4412] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.300619][ T4412] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.425329][ T4412] block nbd0: shutting down sockets [ 411.506904][ T4414] FAULT_INJECTION: forcing a failure. [ 411.506904][ T4414] name failslab, interval 1, probability 0, space 0, times 0 [ 411.509693][ T4414] CPU: 0 PID: 4414 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 411.511937][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 411.514328][ T4414] Call trace: [ 411.515090][ T4414] dump_backtrace+0x1c8/0x1f4 [ 411.516134][ T4414] show_stack+0x2c/0x3c [ 411.517021][ T4414] dump_stack_lvl+0xc0/0x104 [ 411.517976][ T4414] dump_stack+0x1c/0x4c [ 411.518933][ T4414] should_fail_ex+0x1bc/0x1e0 [ 411.520116][ T4414] __should_failslab+0x64/0x78 [ 411.521181][ T4414] should_failslab+0x10/0x28 [ 411.522170][ T4414] slab_pre_alloc_hook+0x54/0x1f4 [ 411.523329][ T4414] kmem_cache_alloc_lru+0x60/0x2ac [ 411.524595][ T4414] alloc_inode+0x7c/0x104 [ 411.525631][ T4414] new_inode+0x2c/0xc0 [ 411.526503][ T4414] debugfs_create_dir+0x98/0x1e0 [ 411.527557][ T4414] nbd_start_device+0x1b4/0x504 [ 411.528633][ T4414] nbd_ioctl+0x228/0x66c [ 411.529636][ T4414] blkdev_ioctl+0x218/0x664 [ 411.530660][ T4414] __arm64_sys_ioctl+0xd0/0x148 [ 411.531895][ T4414] invoke_syscall+0x64/0x178 [ 411.533093][ T4414] el0_svc_common+0xb8/0x174 [ 411.534232][ T4414] do_el0_svc+0x48/0x174 [ 411.535355][ T4414] el0_svc+0x34/0x110 [ 411.536323][ T4414] el0t_64_sync_handler+0x84/0xf0 [ 411.537546][ T4414] el0t_64_sync+0x18c/0x190 [ 411.538782][ T4414] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.540563][ T4414] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.664777][ T4414] block nbd0: shutting down sockets [ 411.736896][ T4416] FAULT_INJECTION: forcing a failure. [ 411.736896][ T4416] name failslab, interval 1, probability 0, space 0, times 0 [ 411.739791][ T4416] CPU: 0 PID: 4416 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 411.742030][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 411.744329][ T4416] Call trace: [ 411.745049][ T4416] dump_backtrace+0x1c8/0x1f4 [ 411.746135][ T4416] show_stack+0x2c/0x3c [ 411.747049][ T4416] dump_stack_lvl+0xc0/0x104 [ 411.748064][ T4416] dump_stack+0x1c/0x4c [ 411.748946][ T4416] should_fail_ex+0x1bc/0x1e0 [ 411.750178][ T4416] __should_failslab+0x64/0x78 [ 411.751429][ T4416] should_failslab+0x10/0x28 [ 411.752472][ T4416] slab_pre_alloc_hook+0x54/0x1f4 [ 411.753648][ T4416] kmem_cache_alloc_lru+0x60/0x2ac [ 411.754785][ T4416] alloc_inode+0x7c/0x104 [ 411.755860][ T4416] new_inode+0x2c/0xc0 [ 411.756788][ T4416] debugfs_create_dir+0x98/0x1e0 [ 411.757849][ T4416] nbd_start_device+0x1b4/0x504 [ 411.758833][ T4416] nbd_ioctl+0x228/0x66c [ 411.759847][ T4416] blkdev_ioctl+0x218/0x664 [ 411.760909][ T4416] __arm64_sys_ioctl+0xd0/0x148 [ 411.762050][ T4416] invoke_syscall+0x64/0x178 [ 411.763066][ T4416] el0_svc_common+0xb8/0x174 [ 411.764010][ T4416] do_el0_svc+0x48/0x174 [ 411.764917][ T4416] el0_svc+0x34/0x110 [ 411.765929][ T4416] el0t_64_sync_handler+0x84/0xf0 [ 411.767127][ T4416] el0t_64_sync+0x18c/0x190 [ 411.768170][ T4416] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.770126][ T4416] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.894600][ T4416] block nbd0: shutting down sockets [ 411.976958][ T4418] FAULT_INJECTION: forcing a failure. [ 411.976958][ T4418] name failslab, interval 1, probability 0, space 0, times 0 [ 411.979854][ T4418] CPU: 0 PID: 4418 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 411.982082][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 411.984290][ T4418] Call trace: [ 411.985076][ T4418] dump_backtrace+0x1c8/0x1f4 [ 411.986171][ T4418] show_stack+0x2c/0x3c [ 411.987129][ T4418] dump_stack_lvl+0xc0/0x104 [ 411.988173][ T4418] dump_stack+0x1c/0x4c [ 411.989094][ T4418] should_fail_ex+0x1bc/0x1e0 [ 411.990244][ T4418] __should_failslab+0x64/0x78 [ 411.991400][ T4418] should_failslab+0x10/0x28 [ 411.992395][ T4418] slab_pre_alloc_hook+0x54/0x1f4 [ 411.993528][ T4418] kmem_cache_alloc_lru+0x60/0x2ac [ 411.994727][ T4418] alloc_inode+0x7c/0x104 [ 411.995650][ T4418] new_inode+0x2c/0xc0 [ 411.996519][ T4418] debugfs_create_dir+0x98/0x1e0 [ 411.997661][ T4418] nbd_start_device+0x1b4/0x504 [ 411.998746][ T4418] nbd_ioctl+0x228/0x66c [ 411.999728][ T4418] blkdev_ioctl+0x218/0x664 [ 412.000827][ T4418] __arm64_sys_ioctl+0xd0/0x148 [ 412.002040][ T4418] invoke_syscall+0x64/0x178 [ 412.003120][ T4418] el0_svc_common+0xb8/0x174 [ 412.004097][ T4418] do_el0_svc+0x48/0x174 [ 412.005127][ T4418] el0_svc+0x34/0x110 [ 412.006007][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 412.007173][ T4418] el0t_64_sync+0x18c/0x190 [ 412.008302][ T4418] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.010081][ T4418] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.134612][ T4418] block nbd0: shutting down sockets [ 412.226896][ T4420] FAULT_INJECTION: forcing a failure. [ 412.226896][ T4420] name failslab, interval 1, probability 0, space 0, times 0 [ 412.229756][ T4420] CPU: 1 PID: 4420 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 412.231860][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 412.234226][ T4420] Call trace: [ 412.234995][ T4420] dump_backtrace+0x1c8/0x1f4 [ 412.236037][ T4420] show_stack+0x2c/0x3c [ 412.236850][ T4420] dump_stack_lvl+0xc0/0x104 [ 412.237953][ T4420] dump_stack+0x1c/0x4c [ 412.239107][ T4420] should_fail_ex+0x1bc/0x1e0 [ 412.240070][ T4420] __should_failslab+0x64/0x78 [ 412.241256][ T4420] should_failslab+0x10/0x28 [ 412.242376][ T4420] slab_pre_alloc_hook+0x54/0x1f4 [ 412.243663][ T4420] kmem_cache_alloc_lru+0x60/0x2ac [ 412.244892][ T4420] alloc_inode+0x7c/0x104 [ 412.245921][ T4420] new_inode+0x2c/0xc0 [ 412.246792][ T4420] debugfs_create_dir+0x98/0x1e0 [ 412.247910][ T4420] nbd_start_device+0x1b4/0x504 [ 412.249014][ T4420] nbd_ioctl+0x228/0x66c [ 412.250029][ T4420] blkdev_ioctl+0x218/0x664 [ 412.251035][ T4420] __arm64_sys_ioctl+0xd0/0x148 [ 412.252225][ T4420] invoke_syscall+0x64/0x178 [ 412.253256][ T4420] el0_svc_common+0xb8/0x174 [ 412.254348][ T4420] do_el0_svc+0x48/0x174 [ 412.255407][ T4420] el0_svc+0x34/0x110 [ 412.256465][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 412.257546][ T4420] el0t_64_sync+0x18c/0x190 [ 412.258545][ T4420] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.260300][ T4420] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.385184][ T4420] block nbd0: shutting down sockets [ 412.467008][ T4422] FAULT_INJECTION: forcing a failure. [ 412.467008][ T4422] name failslab, interval 1, probability 0, space 0, times 0 [ 412.469766][ T4422] CPU: 1 PID: 4422 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 412.472074][ T4422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 412.474171][ T4422] Call trace: [ 412.474871][ T4422] dump_backtrace+0x1c8/0x1f4 [ 412.475981][ T4422] show_stack+0x2c/0x3c [ 412.477021][ T4422] dump_stack_lvl+0xc0/0x104 [ 412.478168][ T4422] dump_stack+0x1c/0x4c [ 412.479215][ T4422] should_fail_ex+0x1bc/0x1e0 [ 412.480305][ T4422] __should_failslab+0x64/0x78 [ 412.481544][ T4422] should_failslab+0x10/0x28 [ 412.482549][ T4422] slab_pre_alloc_hook+0x54/0x1f4 [ 412.483850][ T4422] kmem_cache_alloc_lru+0x60/0x2ac [ 412.484962][ T4422] alloc_inode+0x7c/0x104 [ 412.485985][ T4422] new_inode+0x2c/0xc0 [ 412.487122][ T4422] debugfs_create_dir+0x98/0x1e0 [ 412.488294][ T4422] nbd_start_device+0x1b4/0x504 [ 412.489466][ T4422] nbd_ioctl+0x228/0x66c [ 412.490409][ T4422] blkdev_ioctl+0x218/0x664 [ 412.491437][ T4422] __arm64_sys_ioctl+0xd0/0x148 [ 412.492530][ T4422] invoke_syscall+0x64/0x178 [ 412.493614][ T4422] el0_svc_common+0xb8/0x174 [ 412.494720][ T4422] do_el0_svc+0x48/0x174 [ 412.495804][ T4422] el0_svc+0x34/0x110 [ 412.496683][ T4422] el0t_64_sync_handler+0x84/0xf0 [ 412.497828][ T4422] el0t_64_sync+0x18c/0x190 [ 412.499015][ T4422] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.500866][ T4422] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.625230][ T4422] block nbd0: shutting down sockets [ 412.706972][ T4424] FAULT_INJECTION: forcing a failure. [ 412.706972][ T4424] name failslab, interval 1, probability 0, space 0, times 0 [ 412.709605][ T4424] CPU: 1 PID: 4424 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 412.712035][ T4424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 412.714258][ T4424] Call trace: [ 412.715038][ T4424] dump_backtrace+0x1c8/0x1f4 [ 412.716218][ T4424] show_stack+0x2c/0x3c [ 412.717181][ T4424] dump_stack_lvl+0xc0/0x104 [ 412.718401][ T4424] dump_stack+0x1c/0x4c [ 412.719302][ T4424] should_fail_ex+0x1bc/0x1e0 [ 412.720396][ T4424] __should_failslab+0x64/0x78 [ 412.721374][ T4424] should_failslab+0x10/0x28 [ 412.722513][ T4424] slab_pre_alloc_hook+0x54/0x1f4 [ 412.723776][ T4424] kmem_cache_alloc_lru+0x60/0x2ac [ 412.724895][ T4424] alloc_inode+0x7c/0x104 [ 412.725927][ T4424] new_inode+0x2c/0xc0 [ 412.726875][ T4424] debugfs_create_dir+0x98/0x1e0 [ 412.727955][ T4424] nbd_start_device+0x1b4/0x504 [ 412.729039][ T4424] nbd_ioctl+0x228/0x66c [ 412.730031][ T4424] blkdev_ioctl+0x218/0x664 [ 412.731222][ T4424] __arm64_sys_ioctl+0xd0/0x148 [ 412.732373][ T4424] invoke_syscall+0x64/0x178 [ 412.733414][ T4424] el0_svc_common+0xb8/0x174 [ 412.734461][ T4424] do_el0_svc+0x48/0x174 [ 412.735559][ T4424] el0_svc+0x34/0x110 [ 412.736512][ T4424] el0t_64_sync_handler+0x84/0xf0 [ 412.737804][ T4424] el0t_64_sync+0x18c/0x190 [ 412.738844][ T4424] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.740619][ T4424] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.865202][ T4424] block nbd0: shutting down sockets [ 412.947032][ T4426] FAULT_INJECTION: forcing a failure. [ 412.947032][ T4426] name failslab, interval 1, probability 0, space 0, times 0 [ 412.950002][ T4426] CPU: 1 PID: 4426 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 412.952204][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 412.954528][ T4426] Call trace: [ 412.955243][ T4426] dump_backtrace+0x1c8/0x1f4 [ 412.956324][ T4426] show_stack+0x2c/0x3c [ 412.957298][ T4426] dump_stack_lvl+0xc0/0x104 [ 412.958337][ T4426] dump_stack+0x1c/0x4c [ 412.959248][ T4426] should_fail_ex+0x1bc/0x1e0 [ 412.960350][ T4426] __should_failslab+0x64/0x78 [ 412.961465][ T4426] should_failslab+0x10/0x28 [ 412.962480][ T4426] slab_pre_alloc_hook+0x54/0x1f4 [ 412.963617][ T4426] kmem_cache_alloc_lru+0x60/0x2ac [ 412.964706][ T4426] alloc_inode+0x7c/0x104 [ 412.965755][ T4426] new_inode+0x2c/0xc0 [ 412.966800][ T4426] debugfs_create_dir+0x98/0x1e0 [ 412.968028][ T4426] nbd_start_device+0x1b4/0x504 [ 412.969248][ T4426] nbd_ioctl+0x228/0x66c [ 412.970350][ T4426] blkdev_ioctl+0x218/0x664 [ 412.971442][ T4426] __arm64_sys_ioctl+0xd0/0x148 [ 412.972596][ T4426] invoke_syscall+0x64/0x178 [ 412.973651][ T4426] el0_svc_common+0xb8/0x174 [ 412.974705][ T4426] do_el0_svc+0x48/0x174 [ 412.975652][ T4426] el0_svc+0x34/0x110 [ 412.976640][ T4426] el0t_64_sync_handler+0x84/0xf0 [ 412.977889][ T4426] el0t_64_sync+0x18c/0x190 [ 412.978911][ T4426] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.980596][ T4426] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.105138][ T4426] block nbd0: shutting down sockets [ 413.196914][ T4428] FAULT_INJECTION: forcing a failure. [ 413.196914][ T4428] name failslab, interval 1, probability 0, space 0, times 0 [ 413.199717][ T4428] CPU: 1 PID: 4428 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 413.201988][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 413.204269][ T4428] Call trace: [ 413.205002][ T4428] dump_backtrace+0x1c8/0x1f4 [ 413.206103][ T4428] show_stack+0x2c/0x3c [ 413.207112][ T4428] dump_stack_lvl+0xc0/0x104 [ 413.208200][ T4428] dump_stack+0x1c/0x4c [ 413.209242][ T4428] should_fail_ex+0x1bc/0x1e0 [ 413.210408][ T4428] __should_failslab+0x64/0x78 [ 413.211462][ T4428] should_failslab+0x10/0x28 [ 413.212466][ T4428] slab_pre_alloc_hook+0x54/0x1f4 [ 413.213515][ T4428] kmem_cache_alloc_lru+0x60/0x2ac [ 413.214757][ T4428] alloc_inode+0x7c/0x104 [ 413.215866][ T4428] new_inode+0x2c/0xc0 [ 413.216788][ T4428] debugfs_create_dir+0x98/0x1e0 [ 413.217975][ T4428] nbd_start_device+0x1b4/0x504 [ 413.219065][ T4428] nbd_ioctl+0x228/0x66c [ 413.220098][ T4428] blkdev_ioctl+0x218/0x664 [ 413.221231][ T4428] __arm64_sys_ioctl+0xd0/0x148 [ 413.222340][ T4428] invoke_syscall+0x64/0x178 [ 413.223401][ T4428] el0_svc_common+0xb8/0x174 [ 413.224492][ T4428] do_el0_svc+0x48/0x174 [ 413.225616][ T4428] el0_svc+0x34/0x110 [ 413.226641][ T4428] el0t_64_sync_handler+0x84/0xf0 [ 413.227781][ T4428] el0t_64_sync+0x18c/0x190 [ 413.228920][ T4428] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.230703][ T4428] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.355029][ T4428] block nbd0: shutting down sockets [ 413.496695][ T4431] block nbd0: Device being setup by another task [ 413.538715][ T4430] FAULT_INJECTION: forcing a failure. [ 413.538715][ T4430] name failslab, interval 1, probability 0, space 0, times 0 [ 413.541820][ T4430] CPU: 0 PID: 4430 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 413.543965][ T4430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 413.546358][ T4430] Call trace: [ 413.547159][ T4430] dump_backtrace+0x1c8/0x1f4 [ 413.548301][ T4430] show_stack+0x2c/0x3c [ 413.549289][ T4430] dump_stack_lvl+0xc0/0x104 [ 413.550299][ T4430] dump_stack+0x1c/0x4c [ 413.551367][ T4430] should_fail_ex+0x1bc/0x1e0 [ 413.552395][ T4430] __should_failslab+0x64/0x78 [ 413.553526][ T4430] should_failslab+0x10/0x28 [ 413.554600][ T4430] __kmem_cache_alloc_node+0x6c/0x348 [ 413.556002][ T4430] __kmalloc_node_track_caller+0x84/0xc0 [ 413.557301][ T4430] kstrdup_const+0x90/0xdc [ 413.558378][ T4430] __kernfs_new_node+0x5c/0x2e8 [ 413.559435][ T4430] kernfs_create_dir_ns+0x68/0x144 [ 413.560617][ T4430] sysfs_create_dir_ns+0x8c/0x168 [ 413.561804][ T4430] kobject_add_internal+0x314/0x64c [ 413.562962][ T4430] kobject_add+0xb8/0x130 [ 413.563963][ T4430] blk_mq_register_hctx+0x54/0x184 [ 413.565071][ T4430] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 413.566378][ T4430] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 413.567698][ T4430] nbd_start_device+0xc4/0x504 [ 413.568904][ T4430] nbd_ioctl+0x228/0x66c [ 413.569939][ T4430] blkdev_ioctl+0x218/0x664 [ 413.571038][ T4430] __arm64_sys_ioctl+0xd0/0x148 [ 413.572166][ T4430] invoke_syscall+0x64/0x178 [ 413.573320][ T4430] el0_svc_common+0xb8/0x174 [ 413.574471][ T4430] do_el0_svc+0x48/0x174 [ 413.575464][ T4430] el0_svc+0x34/0x110 [ 413.576419][ T4430] el0t_64_sync_handler+0x84/0xf0 [ 413.577553][ T4430] el0t_64_sync+0x18c/0x190 [ 413.578704][ T4430] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 413.622391][ T4430] block nbd0: shutting down sockets [ 413.758602][ T4433] ------------[ cut here ]------------ [ 413.760051][ T4433] kernfs: can not remove 'nr_tags', no directory [ 413.761622][ T4433] WARNING: CPU: 0 PID: 4433 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.763748][ T4433] Modules linked in: [ 413.764605][ T4433] CPU: 0 PID: 4433 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 413.766773][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 413.769436][ T4433] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.771216][ T4433] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.772627][ T4433] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.773998][ T4433] sp : ffff80000decbac0 [ 413.775018][ T4433] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 413.776826][ T4433] x26: ffff0000c69d8908 x25: ffff80000decbbe8 x24: ffff0000cb80a300 [ 413.778631][ T4433] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 413.780489][ T4433] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.782498][ T4433] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 413.784427][ T4433] x14: 0000000000000000 x13: 205d333334345420 x12: ffff80000d193000 [ 413.786424][ T4433] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6528b8b020e5bc00 [ 413.788337][ T4433] x8 : 6528b8b020e5bc00 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 413.790104][ T4433] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.791984][ T4433] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.793778][ T4433] Call trace: [ 413.794459][ T4433] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.795795][ T4433] sysfs_remove_group+0x68/0x160 [ 413.797011][ T4433] sysfs_remove_groups+0x3c/0x78 [ 413.798173][ T4433] __kobject_del+0x34/0x134 [ 413.799296][ T4433] kobject_del+0x2c/0x4c [ 413.800210][ T4433] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.801605][ T4433] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.802956][ T4433] nbd_start_device+0xc4/0x504 [ 413.804072][ T4433] nbd_ioctl+0x228/0x66c [ 413.805123][ T4433] blkdev_ioctl+0x218/0x664 [ 413.806128][ T4433] __arm64_sys_ioctl+0xd0/0x148 [ 413.807209][ T4433] invoke_syscall+0x64/0x178 [ 413.808304][ T4433] el0_svc_common+0xb8/0x174 [ 413.809395][ T4433] do_el0_svc+0x48/0x174 [ 413.810387][ T4433] el0_svc+0x34/0x110 [ 413.811330][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 413.812598][ T4433] el0t_64_sync+0x18c/0x190 [ 413.813645][ T4433] ---[ end trace 0000000000000000 ]--- [ 413.815006][ T4433] ------------[ cut here ]------------ [ 413.816232][ T4433] kernfs: can not remove 'nr_reserved_tags', no directory [ 413.817920][ T4433] WARNING: CPU: 0 PID: 4433 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.820266][ T4433] Modules linked in: [ 413.821088][ T4433] CPU: 0 PID: 4433 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 413.823410][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 413.825705][ T4433] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.827455][ T4433] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.828850][ T4433] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.830322][ T4433] sp : ffff80000decbac0 [ 413.831251][ T4433] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 413.833253][ T4433] x26: ffff0000c69d8908 x25: ffff80000decbbe8 x24: ffff0000cb80a300 [ 413.835108][ T4433] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 413.837075][ T4433] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.838844][ T4433] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 413.840664][ T4433] x14: 0000000000000000 x13: 205d333334345420 x12: ffff80000d193000 [ 413.842581][ T4433] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6528b8b020e5bc00 [ 413.844484][ T4433] x8 : 6528b8b020e5bc00 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 413.846374][ T4433] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.848286][ T4433] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.850115][ T4433] Call trace: [ 413.850886][ T4433] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.852078][ T4433] sysfs_remove_group+0x68/0x160 [ 413.853349][ T4433] sysfs_remove_groups+0x3c/0x78 [ 413.854623][ T4433] __kobject_del+0x34/0x134 [ 413.855609][ T4433] kobject_del+0x2c/0x4c [ 413.856702][ T4433] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.858029][ T4433] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.859451][ T4433] nbd_start_device+0xc4/0x504 [ 413.860501][ T4433] nbd_ioctl+0x228/0x66c [ 413.861492][ T4433] blkdev_ioctl+0x218/0x664 [ 413.862585][ T4433] __arm64_sys_ioctl+0xd0/0x148 [ 413.863725][ T4433] invoke_syscall+0x64/0x178 [ 413.864772][ T4433] el0_svc_common+0xb8/0x174 [ 413.865846][ T4433] do_el0_svc+0x48/0x174 [ 413.866893][ T4433] el0_svc+0x34/0x110 [ 413.867858][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 413.868974][ T4433] el0t_64_sync+0x18c/0x190 [ 413.870084][ T4433] ---[ end trace 0000000000000000 ]--- [ 413.871361][ T4433] ------------[ cut here ]------------ [ 413.872773][ T4433] kernfs: can not remove 'cpu_list', no directory [ 413.874203][ T4433] WARNING: CPU: 0 PID: 4433 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.876377][ T4433] Modules linked in: [ 413.877235][ T4433] CPU: 0 PID: 4433 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 413.879494][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 413.881759][ T4433] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.883562][ T4433] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.884880][ T4433] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.886170][ T4433] sp : ffff80000decbac0 [ 413.887130][ T4433] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 413.889006][ T4433] x26: ffff0000c69d8908 x25: ffff80000decbbe8 x24: ffff0000cb80a300 [ 413.890887][ T4433] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 413.892653][ T4433] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.894567][ T4433] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 413.896325][ T4433] x14: 0000000000000000 x13: 205d333334345420 x12: ffff80000d193000 [ 413.898099][ T4433] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6528b8b020e5bc00 [ 413.900128][ T4433] x8 : 6528b8b020e5bc00 x7 : 0000000000000000 x6 : ffff80000ae18f30 [ 413.901934][ T4433] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9de2a8 [ 413.903632][ T4433] x2 : ffff0001fe9de2a8 x1 : ffff80000b9b3eab x0 : 0000000000000001 [ 413.905587][ T4433] Call trace: [ 413.906371][ T4433] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.907668][ T4433] sysfs_remove_group+0x68/0x160 [ 413.908780][ T4433] sysfs_remove_groups+0x3c/0x78 [ 413.910001][ T4433] __kobject_del+0x34/0x134 [ 413.911112][ T4433] kobject_del+0x2c/0x4c [ 413.912092][ T4433] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.913378][ T4433] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.914692][ T4433] nbd_start_device+0xc4/0x504 [ 413.915715][ T4433] nbd_ioctl+0x228/0x66c [ 413.916635][ T4433] blkdev_ioctl+0x218/0x664 [ 413.917642][ T4433] __arm64_sys_ioctl+0xd0/0x148 [ 413.918836][ T4433] invoke_syscall+0x64/0x178 [ 413.919862][ T4433] el0_svc_common+0xb8/0x174 [ 413.920997][ T4433] do_el0_svc+0x48/0x174 [ 413.921976][ T4433] el0_svc+0x34/0x110 [ 413.922878][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 413.924062][ T4433] el0t_64_sync+0x18c/0x190 [ 413.925038][ T4433] ---[ end trace 0000000000000000 ]--- [ 413.928786][ T4433] block nbd0: shutting down sockets [ 414.056734][ T4436] block nbd0: Device being setup by another task [ 414.108462][ T4435] FAULT_INJECTION: forcing a failure. [ 414.108462][ T4435] name failslab, interval 1, probability 0, space 0, times 0 [ 414.111414][ T4435] CPU: 1 PID: 4435 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 414.113789][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 414.116158][ T4435] Call trace: [ 414.116933][ T4435] dump_backtrace+0x1c8/0x1f4 [ 414.118089][ T4435] show_stack+0x2c/0x3c [ 414.119113][ T4435] dump_stack_lvl+0xc0/0x104 [ 414.120191][ T4435] dump_stack+0x1c/0x4c [ 414.121236][ T4435] should_fail_ex+0x1bc/0x1e0 [ 414.122302][ T4435] __should_failslab+0x64/0x78 [ 414.123261][ T4435] should_failslab+0x10/0x28 [ 414.124355][ T4435] __kmem_cache_alloc_node+0x6c/0x348 [ 414.125490][ T4435] __kmalloc_node_track_caller+0x84/0xc0 [ 414.126781][ T4435] kstrdup_const+0x90/0xdc [ 414.127763][ T4435] __kernfs_new_node+0x5c/0x2e8 [ 414.128937][ T4435] kernfs_create_dir_ns+0x68/0x144 [ 414.130107][ T4435] sysfs_create_dir_ns+0x8c/0x168 [ 414.131244][ T4435] kobject_add_internal+0x314/0x64c [ 414.132485][ T4435] kobject_add+0xb8/0x130 [ 414.133416][ T4435] blk_mq_register_hctx+0x54/0x184 [ 414.134609][ T4435] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 414.135912][ T4435] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 414.137217][ T4435] nbd_start_device+0xc4/0x504 [ 414.138367][ T4435] nbd_ioctl+0x228/0x66c [ 414.139294][ T4435] blkdev_ioctl+0x218/0x664 [ 414.140288][ T4435] __arm64_sys_ioctl+0xd0/0x148 [ 414.141396][ T4435] invoke_syscall+0x64/0x178 [ 414.142551][ T4435] el0_svc_common+0xb8/0x174 [ 414.143666][ T4435] do_el0_svc+0x48/0x174 [ 414.144661][ T4435] el0_svc+0x34/0x110 [ 414.145542][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 414.146668][ T4435] el0t_64_sync+0x18c/0x190 [ 414.147837][ T4435] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 414.196871][ T4435] block nbd0: shutting down sockets [ 414.338930][ T4438] ------------[ cut here ]------------ [ 414.340370][ T4438] kernfs: can not remove 'nr_tags', no directory [ 414.341853][ T4438] WARNING: CPU: 1 PID: 4438 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.344135][ T4438] Modules linked in: [ 414.345145][ T4438] CPU: 1 PID: 4438 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 414.347466][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 414.349822][ T4438] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.351586][ T4438] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.353076][ T4438] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.354499][ T4438] sp : ffff80000df23ac0 [ 414.355494][ T4438] x29: ffff80000df23ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 414.357458][ T4438] x26: ffff0000c69d8908 x25: ffff80000df23be8 x24: ffff0000ca3d1000 [ 414.359442][ T4438] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 414.361318][ T4438] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.363017][ T4438] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 414.364873][ T4438] x14: 0000000000000000 x13: 205d383334345420 x12: ffff80000d193000 [ 414.366793][ T4438] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6343ff01a68cd400 [ 414.368635][ T4438] x8 : 6343ff01a68cd400 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 414.370463][ T4438] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.372286][ T4438] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.374193][ T4438] Call trace: [ 414.374913][ T4438] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.376156][ T4438] sysfs_remove_group+0x68/0x160 [ 414.377277][ T4438] sysfs_remove_groups+0x3c/0x78 [ 414.378431][ T4438] __kobject_del+0x34/0x134 [ 414.379450][ T4438] kobject_del+0x2c/0x4c [ 414.380374][ T4438] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.381862][ T4438] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.383222][ T4438] nbd_start_device+0xc4/0x504 [ 414.384353][ T4438] nbd_ioctl+0x228/0x66c [ 414.385254][ T4438] blkdev_ioctl+0x218/0x664 [ 414.386415][ T4438] __arm64_sys_ioctl+0xd0/0x148 [ 414.387635][ T4438] invoke_syscall+0x64/0x178 [ 414.388655][ T4438] el0_svc_common+0xb8/0x174 [ 414.389674][ T4438] do_el0_svc+0x48/0x174 [ 414.390638][ T4438] el0_svc+0x34/0x110 [ 414.391678][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 414.392772][ T4438] el0t_64_sync+0x18c/0x190 [ 414.393825][ T4438] ---[ end trace 0000000000000000 ]--- [ 414.395155][ T4438] ------------[ cut here ]------------ [ 414.396450][ T4438] kernfs: can not remove 'nr_reserved_tags', no directory [ 414.398282][ T4438] WARNING: CPU: 1 PID: 4438 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.400350][ T4438] Modules linked in: [ 414.401345][ T4438] CPU: 1 PID: 4438 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 414.403736][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 414.406114][ T4438] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.407915][ T4438] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.409300][ T4438] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.410574][ T4438] sp : ffff80000df23ac0 [ 414.411571][ T4438] x29: ffff80000df23ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 414.413599][ T4438] x26: ffff0000c69d8908 x25: ffff80000df23be8 x24: ffff0000ca3d1000 [ 414.415496][ T4438] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 414.417350][ T4438] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.419157][ T4438] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 414.421001][ T4438] x14: 0000000000000000 x13: 205d383334345420 x12: ffff80000d193000 [ 414.422948][ T4438] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6343ff01a68cd400 [ 414.424884][ T4438] x8 : 6343ff01a68cd400 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 414.426803][ T4438] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.428632][ T4438] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.430568][ T4438] Call trace: [ 414.431338][ T4438] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.432567][ T4438] sysfs_remove_group+0x68/0x160 [ 414.433588][ T4438] sysfs_remove_groups+0x3c/0x78 [ 414.434646][ T4438] __kobject_del+0x34/0x134 [ 414.435727][ T4438] kobject_del+0x2c/0x4c [ 414.436712][ T4438] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.438071][ T4438] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.439348][ T4438] nbd_start_device+0xc4/0x504 [ 414.440446][ T4438] nbd_ioctl+0x228/0x66c [ 414.441494][ T4438] blkdev_ioctl+0x218/0x664 [ 414.442543][ T4438] __arm64_sys_ioctl+0xd0/0x148 [ 414.443685][ T4438] invoke_syscall+0x64/0x178 [ 414.444874][ T4438] el0_svc_common+0xb8/0x174 [ 414.445941][ T4438] do_el0_svc+0x48/0x174 [ 414.446986][ T4438] el0_svc+0x34/0x110 [ 414.447902][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 414.449064][ T4438] el0t_64_sync+0x18c/0x190 [ 414.450161][ T4438] ---[ end trace 0000000000000000 ]--- [ 414.451475][ T4438] ------------[ cut here ]------------ [ 414.452583][ T4438] kernfs: can not remove 'cpu_list', no directory [ 414.454055][ T4438] WARNING: CPU: 1 PID: 4438 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.456278][ T4438] Modules linked in: [ 414.457346][ T4438] CPU: 1 PID: 4438 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 414.459614][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 414.461989][ T4438] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.463703][ T4438] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.465102][ T4438] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.466475][ T4438] sp : ffff80000df23ac0 [ 414.467501][ T4438] x29: ffff80000df23ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 414.469319][ T4438] x26: ffff0000c69d8908 x25: ffff80000df23be8 x24: ffff0000ca3d1000 [ 414.471206][ T4438] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 414.473128][ T4438] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.474890][ T4438] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 414.476663][ T4438] x14: 0000000000000000 x13: 205d383334345420 x12: ffff80000d193000 [ 414.478725][ T4438] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6343ff01a68cd400 [ 414.480542][ T4438] x8 : 6343ff01a68cd400 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 414.482509][ T4438] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.484383][ T4438] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.486446][ T4438] Call trace: [ 414.487212][ T4438] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.488625][ T4438] sysfs_remove_group+0x68/0x160 [ 414.489840][ T4438] sysfs_remove_groups+0x3c/0x78 [ 414.491014][ T4438] __kobject_del+0x34/0x134 [ 414.492005][ T4438] kobject_del+0x2c/0x4c [ 414.493124][ T4438] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.494501][ T4438] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.495742][ T4438] nbd_start_device+0xc4/0x504 [ 414.496760][ T4438] nbd_ioctl+0x228/0x66c [ 414.497857][ T4438] blkdev_ioctl+0x218/0x664 [ 414.498961][ T4438] __arm64_sys_ioctl+0xd0/0x148 [ 414.500140][ T4438] invoke_syscall+0x64/0x178 [ 414.501151][ T4438] el0_svc_common+0xb8/0x174 [ 414.502253][ T4438] do_el0_svc+0x48/0x174 [ 414.503189][ T4438] el0_svc+0x34/0x110 [ 414.504066][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 414.505375][ T4438] el0t_64_sync+0x18c/0x190 [ 414.506419][ T4438] ---[ end trace 0000000000000000 ]--- [ 414.509826][ T4438] block nbd0: shutting down sockets [ 414.626758][ T4441] block nbd0: Device being setup by another task [ 414.688545][ T4440] FAULT_INJECTION: forcing a failure. [ 414.688545][ T4440] name failslab, interval 1, probability 0, space 0, times 0 [ 414.691585][ T4440] CPU: 0 PID: 4440 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 414.693988][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 414.696338][ T4440] Call trace: [ 414.697125][ T4440] dump_backtrace+0x1c8/0x1f4 [ 414.698270][ T4440] show_stack+0x2c/0x3c [ 414.699367][ T4440] dump_stack_lvl+0xc0/0x104 [ 414.700436][ T4440] dump_stack+0x1c/0x4c [ 414.701572][ T4440] should_fail_ex+0x1bc/0x1e0 [ 414.702593][ T4440] __should_failslab+0x64/0x78 [ 414.703742][ T4440] should_failslab+0x10/0x28 [ 414.704971][ T4440] __kmem_cache_alloc_node+0x6c/0x348 [ 414.706260][ T4440] __kmalloc_node_track_caller+0x84/0xc0 [ 414.707607][ T4440] kstrdup_const+0x90/0xdc [ 414.708776][ T4440] __kernfs_new_node+0x5c/0x2e8 [ 414.709914][ T4440] kernfs_create_dir_ns+0x68/0x144 [ 414.711147][ T4440] sysfs_create_dir_ns+0x8c/0x168 [ 414.712312][ T4440] kobject_add_internal+0x314/0x64c [ 414.713596][ T4440] kobject_add+0xb8/0x130 [ 414.714534][ T4440] blk_mq_register_hctx+0x54/0x184 [ 414.715587][ T4440] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 414.716968][ T4440] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 414.718393][ T4440] nbd_start_device+0xc4/0x504 [ 414.719495][ T4440] nbd_ioctl+0x228/0x66c [ 414.720656][ T4440] blkdev_ioctl+0x218/0x664 [ 414.721630][ T4440] __arm64_sys_ioctl+0xd0/0x148 [ 414.722789][ T4440] invoke_syscall+0x64/0x178 [ 414.723833][ T4440] el0_svc_common+0xb8/0x174 [ 414.724895][ T4440] do_el0_svc+0x48/0x174 [ 414.725975][ T4440] el0_svc+0x34/0x110 [ 414.727099][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 414.728237][ T4440] el0t_64_sync+0x18c/0x190 [ 414.729232][ T4440] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 414.778272][ T4440] block nbd0: shutting down sockets [ 414.947892][ T4443] ------------[ cut here ]------------ [ 414.949142][ T4443] kernfs: can not remove 'nr_tags', no directory [ 414.950582][ T4443] WARNING: CPU: 1 PID: 4443 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.952756][ T4443] Modules linked in: [ 414.953536][ T4443] CPU: 1 PID: 4443 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 414.955851][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 414.958222][ T4443] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.959992][ T4443] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.961408][ T4443] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.962653][ T4443] sp : ffff80000de53ac0 [ 414.963658][ T4443] x29: ffff80000de53ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 414.965482][ T4443] x26: ffff0000c69d8908 x25: ffff80000de53be8 x24: ffff0001ffb7cf80 [ 414.967455][ T4443] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 414.969326][ T4443] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.971253][ T4443] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 414.973184][ T4443] x14: 0000000000000000 x13: 205d333434345420 x12: ffff80000d193000 [ 414.975125][ T4443] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 630a307374fa6400 [ 414.976962][ T4443] x8 : 630a307374fa6400 x7 : 0000000000000000 x6 : ffff80000ae18f30 [ 414.978775][ T4443] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f52a8 [ 414.980874][ T4443] x2 : ffff0001fe9f52a8 x1 : ffff80000b9b3eab x0 : 0000000000000001 [ 414.982654][ T4443] Call trace: [ 414.983474][ T4443] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.984868][ T4443] sysfs_remove_group+0x68/0x160 [ 414.985905][ T4443] sysfs_remove_groups+0x3c/0x78 [ 414.987073][ T4443] __kobject_del+0x34/0x134 [ 414.988139][ T4443] kobject_del+0x2c/0x4c [ 414.989127][ T4443] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.990392][ T4443] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.991572][ T4443] nbd_start_device+0xc4/0x504 [ 414.992728][ T4443] nbd_ioctl+0x228/0x66c [ 414.993718][ T4443] blkdev_ioctl+0x218/0x664 [ 414.994766][ T4443] __arm64_sys_ioctl+0xd0/0x148 [ 414.995975][ T4443] invoke_syscall+0x64/0x178 [ 414.997104][ T4443] el0_svc_common+0xb8/0x174 [ 414.998039][ T4443] do_el0_svc+0x48/0x174 [ 414.999083][ T4443] el0_svc+0x34/0x110 [ 415.000008][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 415.001094][ T4443] el0t_64_sync+0x18c/0x190 [ 415.002099][ T4443] ---[ end trace 0000000000000000 ]--- [ 415.003445][ T4443] ------------[ cut here ]------------ [ 415.004623][ T4443] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.006300][ T4443] WARNING: CPU: 1 PID: 4443 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.008606][ T4443] Modules linked in: [ 415.009485][ T4443] CPU: 1 PID: 4443 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.011724][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.014144][ T4443] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.015880][ T4443] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.017281][ T4443] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.018564][ T4443] sp : ffff80000de53ac0 [ 415.019517][ T4443] x29: ffff80000de53ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 415.021392][ T4443] x26: ffff0000c69d8908 x25: ffff80000de53be8 x24: ffff0001ffb7cf80 [ 415.023184][ T4443] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 415.024963][ T4443] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.026766][ T4443] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 415.028644][ T4443] x14: 0000000000000000 x13: 205d333434345420 x12: ffff80000d193000 [ 415.030425][ T4443] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 630a307374fa6400 [ 415.032266][ T4443] x8 : 630a307374fa6400 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 415.033845][ T4443] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.035783][ T4443] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.037687][ T4443] Call trace: [ 415.038498][ T4443] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.039672][ T4443] sysfs_remove_group+0x68/0x160 [ 415.040900][ T4443] sysfs_remove_groups+0x3c/0x78 [ 415.041979][ T4443] __kobject_del+0x34/0x134 [ 415.043087][ T4443] kobject_del+0x2c/0x4c [ 415.044107][ T4443] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.045707][ T4443] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.046985][ T4443] nbd_start_device+0xc4/0x504 [ 415.048135][ T4443] nbd_ioctl+0x228/0x66c [ 415.049102][ T4443] blkdev_ioctl+0x218/0x664 [ 415.050160][ T4443] __arm64_sys_ioctl+0xd0/0x148 [ 415.051285][ T4443] invoke_syscall+0x64/0x178 [ 415.052236][ T4443] el0_svc_common+0xb8/0x174 [ 415.053269][ T4443] do_el0_svc+0x48/0x174 [ 415.054240][ T4443] el0_svc+0x34/0x110 [ 415.055173][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 415.056490][ T4443] el0t_64_sync+0x18c/0x190 [ 415.057462][ T4443] ---[ end trace 0000000000000000 ]--- [ 415.058841][ T4443] ------------[ cut here ]------------ [ 415.060182][ T4443] kernfs: can not remove 'cpu_list', no directory [ 415.061840][ T4443] WARNING: CPU: 1 PID: 4443 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.064139][ T4443] Modules linked in: [ 415.065018][ T4443] CPU: 1 PID: 4443 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.067265][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.069605][ T4443] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.071464][ T4443] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.072844][ T4443] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.074110][ T4443] sp : ffff80000de53ac0 [ 415.075050][ T4443] x29: ffff80000de53ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 415.076778][ T4443] x26: ffff0000c69d8908 x25: ffff80000de53be8 x24: ffff0001ffb7cf80 [ 415.078667][ T4443] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 415.080444][ T4443] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.082444][ T4443] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 415.084379][ T4443] x14: 0000000000000000 x13: 205d333434345420 x12: ffff80000d193000 [ 415.086288][ T4443] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 630a307374fa6400 [ 415.087979][ T4443] x8 : 630a307374fa6400 x7 : 0000000000000000 x6 : ffff80000ae18f30 [ 415.089824][ T4443] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f52a8 [ 415.091748][ T4443] x2 : ffff0001fe9f52a8 x1 : ffff80000b9b3eab x0 : 0000000000000001 [ 415.093637][ T4443] Call trace: [ 415.094450][ T4443] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.095766][ T4443] sysfs_remove_group+0x68/0x160 [ 415.097018][ T4443] sysfs_remove_groups+0x3c/0x78 [ 415.098242][ T4443] __kobject_del+0x34/0x134 [ 415.099371][ T4443] kobject_del+0x2c/0x4c [ 415.100225][ T4443] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.101607][ T4443] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.102943][ T4443] nbd_start_device+0xc4/0x504 [ 415.104105][ T4443] nbd_ioctl+0x228/0x66c [ 415.105080][ T4443] blkdev_ioctl+0x218/0x664 [ 415.106116][ T4443] __arm64_sys_ioctl+0xd0/0x148 [ 415.107385][ T4443] invoke_syscall+0x64/0x178 [ 415.108484][ T4443] el0_svc_common+0xb8/0x174 [ 415.109545][ T4443] do_el0_svc+0x48/0x174 [ 415.110527][ T4443] el0_svc+0x34/0x110 [ 415.111393][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 415.112488][ T4443] el0t_64_sync+0x18c/0x190 [ 415.113578][ T4443] ---[ end trace 0000000000000000 ]--- [ 415.117267][ T4443] block nbd0: shutting down sockets [ 415.226757][ T4446] FAULT_INJECTION: forcing a failure. [ 415.226757][ T4446] name failslab, interval 1, probability 0, space 0, times 0 [ 415.229411][ T4446] CPU: 1 PID: 4446 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.231612][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.233953][ T4446] Call trace: [ 415.234729][ T4446] dump_backtrace+0x1c8/0x1f4 [ 415.235691][ T4446] show_stack+0x2c/0x3c [ 415.236730][ T4446] dump_stack_lvl+0xc0/0x104 [ 415.237779][ T4446] dump_stack+0x1c/0x4c [ 415.238674][ T4446] should_fail_ex+0x1bc/0x1e0 [ 415.239823][ T4446] __should_failslab+0x64/0x78 [ 415.240887][ T4446] should_failslab+0x10/0x28 [ 415.241977][ T4446] slab_pre_alloc_hook+0x54/0x1f4 [ 415.243231][ T4446] kmem_cache_alloc_lru+0x60/0x2ac [ 415.244502][ T4446] alloc_inode+0x7c/0x104 [ 415.245498][ T4446] new_inode+0x2c/0xc0 [ 415.246565][ T4446] debugfs_create_dir+0x98/0x1e0 [ 415.247806][ T4446] nbd_start_device+0x1b4/0x504 [ 415.248945][ T4446] nbd_ioctl+0x228/0x66c [ 415.250006][ T4446] blkdev_ioctl+0x218/0x664 [ 415.251165][ T4446] __arm64_sys_ioctl+0xd0/0x148 [ 415.252218][ T4446] invoke_syscall+0x64/0x178 [ 415.253225][ T4446] el0_svc_common+0xb8/0x174 [ 415.254248][ T4446] do_el0_svc+0x48/0x174 [ 415.255187][ T4446] el0_svc+0x34/0x110 [ 415.256045][ T4446] el0t_64_sync_handler+0x84/0xf0 [ 415.257208][ T4446] el0t_64_sync+0x18c/0x190 [ 415.258368][ T4446] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.260249][ T4446] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.367421][ T4446] block nbd0: shutting down sockets [ 415.466746][ T4449] block nbd0: Device being setup by another task [ 415.509114][ T4448] FAULT_INJECTION: forcing a failure. [ 415.509114][ T4448] name failslab, interval 1, probability 0, space 0, times 0 [ 415.512165][ T4448] CPU: 0 PID: 4448 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.514462][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.516765][ T4448] Call trace: [ 415.517553][ T4448] dump_backtrace+0x1c8/0x1f4 [ 415.518774][ T4448] show_stack+0x2c/0x3c [ 415.519751][ T4448] dump_stack_lvl+0xc0/0x104 [ 415.520863][ T4448] dump_stack+0x1c/0x4c [ 415.521849][ T4448] should_fail_ex+0x1bc/0x1e0 [ 415.522928][ T4448] __should_failslab+0x64/0x78 [ 415.523990][ T4448] should_failslab+0x10/0x28 [ 415.525058][ T4448] __kmem_cache_alloc_node+0x6c/0x348 [ 415.526311][ T4448] __kmalloc_node_track_caller+0x84/0xc0 [ 415.527554][ T4448] kstrdup_const+0x90/0xdc [ 415.528469][ T4448] __kernfs_new_node+0x5c/0x2e8 [ 415.529500][ T4448] kernfs_create_dir_ns+0x68/0x144 [ 415.530495][ T4448] sysfs_create_dir_ns+0x8c/0x168 [ 415.531577][ T4448] kobject_add_internal+0x314/0x64c [ 415.532793][ T4448] kobject_add+0xb8/0x130 [ 415.533824][ T4448] blk_mq_register_hctx+0x54/0x184 [ 415.535017][ T4448] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 415.536424][ T4448] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 415.537747][ T4448] nbd_start_device+0xc4/0x504 [ 415.538912][ T4448] nbd_ioctl+0x228/0x66c [ 415.539984][ T4448] blkdev_ioctl+0x218/0x664 [ 415.540989][ T4448] __arm64_sys_ioctl+0xd0/0x148 [ 415.542170][ T4448] invoke_syscall+0x64/0x178 [ 415.543119][ T4448] el0_svc_common+0xb8/0x174 [ 415.544284][ T4448] do_el0_svc+0x48/0x174 [ 415.545213][ T4448] el0_svc+0x34/0x110 [ 415.546197][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 415.547372][ T4448] el0t_64_sync+0x18c/0x190 [ 415.548413][ T4448] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 415.656278][ T4448] block nbd0: shutting down sockets [ 415.777893][ T4451] ------------[ cut here ]------------ [ 415.779167][ T4451] kernfs: can not remove 'nr_tags', no directory [ 415.780679][ T4451] WARNING: CPU: 1 PID: 4451 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.782864][ T4451] Modules linked in: [ 415.783704][ T4451] CPU: 1 PID: 4451 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.785997][ T4451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.788337][ T4451] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.790114][ T4451] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.791514][ T4451] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.792856][ T4451] sp : ffff80000decbac0 [ 415.793851][ T4451] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 415.795772][ T4451] x26: ffff0000c69d8908 x25: ffff80000decbbe8 x24: ffff0001ffb88000 [ 415.797756][ T4451] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 415.799686][ T4451] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.801573][ T4451] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 415.803562][ T4451] x14: 0000000000000000 x13: 205d313534345420 x12: ffff80000d193000 [ 415.805476][ T4451] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6eb9fc6f64fef300 [ 415.807395][ T4451] x8 : 6eb9fc6f64fef300 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 415.809406][ T4451] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.811418][ T4451] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.813386][ T4451] Call trace: [ 415.814186][ T4451] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.815528][ T4451] sysfs_remove_group+0x68/0x160 [ 415.816607][ T4451] sysfs_remove_groups+0x3c/0x78 [ 415.817850][ T4451] __kobject_del+0x34/0x134 [ 415.818887][ T4451] kobject_del+0x2c/0x4c [ 415.819766][ T4451] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.821273][ T4451] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.822750][ T4451] nbd_start_device+0xc4/0x504 [ 415.823921][ T4451] nbd_ioctl+0x228/0x66c [ 415.825006][ T4451] blkdev_ioctl+0x218/0x664 [ 415.826090][ T4451] __arm64_sys_ioctl+0xd0/0x148 [ 415.827238][ T4451] invoke_syscall+0x64/0x178 [ 415.828280][ T4451] el0_svc_common+0xb8/0x174 [ 415.829354][ T4451] do_el0_svc+0x48/0x174 [ 415.830357][ T4451] el0_svc+0x34/0x110 [ 415.831250][ T4451] el0t_64_sync_handler+0x84/0xf0 [ 415.832284][ T4451] el0t_64_sync+0x18c/0x190 [ 415.833276][ T4451] ---[ end trace 0000000000000000 ]--- [ 415.834510][ T4451] ------------[ cut here ]------------ [ 415.835682][ T4451] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.837331][ T4451] WARNING: CPU: 1 PID: 4451 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.839393][ T4451] Modules linked in: [ 415.840314][ T4451] CPU: 1 PID: 4451 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.842538][ T4451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.844891][ T4451] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.846568][ T4451] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.847966][ T4451] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.849368][ T4451] sp : ffff80000decbac0 [ 415.850359][ T4451] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 415.852129][ T4451] x26: ffff0000c69d8908 x25: ffff80000decbbe8 x24: ffff0001ffb88000 [ 415.854061][ T4451] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 415.855885][ T4451] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.857643][ T4451] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 415.859426][ T4451] x14: 0000000000000000 x13: 205d313534345420 x12: ffff80000d193000 [ 415.861402][ T4451] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6eb9fc6f64fef300 [ 415.863251][ T4451] x8 : 6eb9fc6f64fef300 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 415.865022][ T4451] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.866888][ T4451] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.868671][ T4451] Call trace: [ 415.869443][ T4451] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.870684][ T4451] sysfs_remove_group+0x68/0x160 [ 415.871845][ T4451] sysfs_remove_groups+0x3c/0x78 [ 415.873031][ T4451] __kobject_del+0x34/0x134 [ 415.874015][ T4451] kobject_del+0x2c/0x4c [ 415.875060][ T4451] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.876303][ T4451] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.877656][ T4451] nbd_start_device+0xc4/0x504 [ 415.878694][ T4451] nbd_ioctl+0x228/0x66c [ 415.879553][ T4451] blkdev_ioctl+0x218/0x664 [ 415.880526][ T4451] __arm64_sys_ioctl+0xd0/0x148 [ 415.881659][ T4451] invoke_syscall+0x64/0x178 [ 415.882577][ T4451] el0_svc_common+0xb8/0x174 [ 415.883643][ T4451] do_el0_svc+0x48/0x174 [ 415.884704][ T4451] el0_svc+0x34/0x110 [ 415.885696][ T4451] el0t_64_sync_handler+0x84/0xf0 [ 415.886914][ T4451] el0t_64_sync+0x18c/0x190 [ 415.887996][ T4451] ---[ end trace 0000000000000000 ]--- [ 415.889406][ T4451] ------------[ cut here ]------------ [ 415.890643][ T4451] kernfs: can not remove 'cpu_list', no directory [ 415.892142][ T4451] WARNING: CPU: 1 PID: 4451 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.894355][ T4451] Modules linked in: [ 415.895356][ T4451] CPU: 1 PID: 4451 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 415.897543][ T4451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 415.899876][ T4451] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.901809][ T4451] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.903236][ T4451] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.904545][ T4451] sp : ffff80000decbac0 [ 415.905418][ T4451] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 415.907321][ T4451] x26: ffff0000c69d8908 x25: ffff80000decbbe8 x24: ffff0001ffb88000 [ 415.909276][ T4451] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 415.911178][ T4451] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.913134][ T4451] x17: ffff80000d3cf508 x16: 0000000000001167 x15: 0000000000000000 [ 415.915102][ T4451] x14: 0000000000000000 x13: 205d313534345420 x12: ffff80000d193000 [ 415.917074][ T4451] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6eb9fc6f64fef300 [ 415.919125][ T4451] x8 : 6eb9fc6f64fef300 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 415.921069][ T4451] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.922754][ T4451] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.924705][ T4451] Call trace: [ 415.925704][ T4451] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.926998][ T4451] sysfs_remove_group+0x68/0x160 [ 415.928286][ T4451] sysfs_remove_groups+0x3c/0x78 [ 415.929401][ T4451] __kobject_del+0x34/0x134 [ 415.930554][ T4451] kobject_del+0x2c/0x4c [ 415.931473][ T4451] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.933008][ T4451] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.934345][ T4451] nbd_start_device+0xc4/0x504 [ 415.935408][ T4451] nbd_ioctl+0x228/0x66c [ 415.936414][ T4451] blkdev_ioctl+0x218/0x664 [ 415.937475][ T4451] __arm64_sys_ioctl+0xd0/0x148 [ 415.938578][ T4451] invoke_syscall+0x64/0x178 [ 415.939617][ T4451] el0_svc_common+0xb8/0x174 [ 415.940619][ T4451] do_el0_svc+0x48/0x174 [ 415.941617][ T4451] el0_svc+0x34/0x110 [ 415.942478][ T4451] el0t_64_sync_handler+0x84/0xf0 [ 415.943630][ T4451] el0t_64_sync+0x18c/0x190 [ 415.944830][ T4451] ---[ end trace 0000000000000000 ]--- [ 415.948633][ T4451] block nbd0: shutting down sockets [ 416.037013][ T4453] FAULT_INJECTION: forcing a failure. [ 416.037013][ T4453] name failslab, interval 1, probability 0, space 0, times 0 [ 416.039831][ T4453] CPU: 0 PID: 4453 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 416.042008][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 416.044274][ T4453] Call trace: [ 416.045034][ T4453] dump_backtrace+0x1c8/0x1f4 [ 416.046098][ T4453] show_stack+0x2c/0x3c [ 416.047047][ T4453] dump_stack_lvl+0xc0/0x104 [ 416.048204][ T4453] dump_stack+0x1c/0x4c [ 416.049201][ T4453] should_fail_ex+0x1bc/0x1e0 [ 416.050414][ T4453] __should_failslab+0x64/0x78 [ 416.051535][ T4453] should_failslab+0x10/0x28 [ 416.052723][ T4453] slab_pre_alloc_hook+0x54/0x1f4 [ 416.053802][ T4453] kmem_cache_alloc_lru+0x60/0x2ac [ 416.055043][ T4453] alloc_inode+0x7c/0x104 [ 416.055974][ T4453] new_inode+0x2c/0xc0 [ 416.056976][ T4453] debugfs_create_dir+0x98/0x1e0 [ 416.058002][ T4453] nbd_start_device+0x1b4/0x504 [ 416.059184][ T4453] nbd_ioctl+0x228/0x66c [ 416.060174][ T4453] blkdev_ioctl+0x218/0x664 [ 416.061221][ T4453] __arm64_sys_ioctl+0xd0/0x148 [ 416.062284][ T4453] invoke_syscall+0x64/0x178 [ 416.063318][ T4453] el0_svc_common+0xb8/0x174 [ 416.064319][ T4453] do_el0_svc+0x48/0x174 [ 416.065313][ T4453] el0_svc+0x34/0x110 [ 416.066174][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 416.067323][ T4453] el0t_64_sync+0x18c/0x190 [ 416.068435][ T4453] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.070192][ T4453] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.194903][ T4453] block nbd0: shutting down sockets [ 416.276929][ T4455] FAULT_INJECTION: forcing a failure. [ 416.276929][ T4455] name failslab, interval 1, probability 0, space 0, times 0 [ 416.279874][ T4455] CPU: 0 PID: 4455 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 416.282101][ T4455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 416.284537][ T4455] Call trace: [ 416.285303][ T4455] dump_backtrace+0x1c8/0x1f4 [ 416.286335][ T4455] show_stack+0x2c/0x3c [ 416.287207][ T4455] dump_stack_lvl+0xc0/0x104 [ 416.288289][ T4455] dump_stack+0x1c/0x4c [ 416.289263][ T4455] should_fail_ex+0x1bc/0x1e0 [ 416.290375][ T4455] __should_failslab+0x64/0x78 [ 416.291508][ T4455] should_failslab+0x10/0x28 [ 416.292536][ T4455] slab_pre_alloc_hook+0x54/0x1f4 [ 416.293608][ T4455] kmem_cache_alloc_lru+0x60/0x2ac [ 416.294802][ T4455] alloc_inode+0x7c/0x104 [ 416.295822][ T4455] new_inode+0x2c/0xc0 [ 416.296737][ T4455] debugfs_create_dir+0x98/0x1e0 [ 416.297937][ T4455] nbd_start_device+0x1b4/0x504 [ 416.299150][ T4455] nbd_ioctl+0x228/0x66c [ 416.300102][ T4455] blkdev_ioctl+0x218/0x664 [ 416.301202][ T4455] __arm64_sys_ioctl+0xd0/0x148 [ 416.302311][ T4455] invoke_syscall+0x64/0x178 [ 416.303305][ T4455] el0_svc_common+0xb8/0x174 [ 416.304313][ T4455] do_el0_svc+0x48/0x174 [ 416.305242][ T4455] el0_svc+0x34/0x110 [ 416.306182][ T4455] el0t_64_sync_handler+0x84/0xf0 [ 416.307365][ T4455] el0t_64_sync+0x18c/0x190 [ 416.308465][ T4455] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.310320][ T4455] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.434708][ T4455] block nbd0: shutting down sockets [ 416.516926][ T4457] FAULT_INJECTION: forcing a failure. [ 416.516926][ T4457] name failslab, interval 1, probability 0, space 0, times 0 [ 416.519993][ T4457] CPU: 0 PID: 4457 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 416.522139][ T4457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 416.524415][ T4457] Call trace: [ 416.525123][ T4457] dump_backtrace+0x1c8/0x1f4 [ 416.526193][ T4457] show_stack+0x2c/0x3c [ 416.527147][ T4457] dump_stack_lvl+0xc0/0x104 [ 416.528275][ T4457] dump_stack+0x1c/0x4c [ 416.529172][ T4457] should_fail_ex+0x1bc/0x1e0 [ 416.530339][ T4457] __should_failslab+0x64/0x78 [ 416.531363][ T4457] should_failslab+0x10/0x28 [ 416.532264][ T4457] slab_pre_alloc_hook+0x54/0x1f4 [ 416.533428][ T4457] kmem_cache_alloc_lru+0x60/0x2ac [ 416.534571][ T4457] alloc_inode+0x7c/0x104 [ 416.535598][ T4457] new_inode+0x2c/0xc0 [ 416.536518][ T4457] debugfs_create_dir+0x98/0x1e0 [ 416.537633][ T4457] nbd_start_device+0x1b4/0x504 [ 416.538636][ T4457] nbd_ioctl+0x228/0x66c [ 416.539590][ T4457] blkdev_ioctl+0x218/0x664 [ 416.540589][ T4457] __arm64_sys_ioctl+0xd0/0x148 [ 416.541745][ T4457] invoke_syscall+0x64/0x178 [ 416.542840][ T4457] el0_svc_common+0xb8/0x174 [ 416.543862][ T4457] do_el0_svc+0x48/0x174 [ 416.544848][ T4457] el0_svc+0x34/0x110 [ 416.545764][ T4457] el0t_64_sync_handler+0x84/0xf0 [ 416.546915][ T4457] el0t_64_sync+0x18c/0x190 [ 416.547929][ T4457] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.549688][ T4457] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.674989][ T4457] block nbd0: shutting down sockets [ 416.757031][ T4459] FAULT_INJECTION: forcing a failure. [ 416.757031][ T4459] name failslab, interval 1, probability 0, space 0, times 0 [ 416.759603][ T4459] CPU: 0 PID: 4459 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 416.761640][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 416.763885][ T4459] Call trace: [ 416.764599][ T4459] dump_backtrace+0x1c8/0x1f4 [ 416.765612][ T4459] show_stack+0x2c/0x3c [ 416.766535][ T4459] dump_stack_lvl+0xc0/0x104 [ 416.767483][ T4459] dump_stack+0x1c/0x4c [ 416.768476][ T4459] should_fail_ex+0x1bc/0x1e0 [ 416.769493][ T4459] __should_failslab+0x64/0x78 [ 416.770602][ T4459] should_failslab+0x10/0x28 [ 416.771669][ T4459] slab_pre_alloc_hook+0x54/0x1f4 [ 416.772773][ T4459] kmem_cache_alloc_lru+0x60/0x2ac [ 416.774014][ T4459] alloc_inode+0x7c/0x104 [ 416.774980][ T4459] new_inode+0x2c/0xc0 [ 416.775949][ T4459] debugfs_create_dir+0x98/0x1e0 [ 416.777046][ T4459] nbd_start_device+0x1b4/0x504 [ 416.778057][ T4459] nbd_ioctl+0x228/0x66c [ 416.778952][ T4459] blkdev_ioctl+0x218/0x664 [ 416.779979][ T4459] __arm64_sys_ioctl+0xd0/0x148 [ 416.781128][ T4459] invoke_syscall+0x64/0x178 [ 416.782109][ T4459] el0_svc_common+0xb8/0x174 [ 416.783156][ T4459] do_el0_svc+0x48/0x174 [ 416.784158][ T4459] el0_svc+0x34/0x110 [ 416.785066][ T4459] el0t_64_sync_handler+0x84/0xf0 [ 416.786165][ T4459] el0t_64_sync+0x18c/0x190 [ 416.787188][ T4459] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.788890][ T4459] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.914880][ T4459] block nbd0: shutting down sockets [ 416.996937][ T4461] FAULT_INJECTION: forcing a failure. [ 416.996937][ T4461] name failslab, interval 1, probability 0, space 0, times 0 [ 416.999642][ T4461] CPU: 0 PID: 4461 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 417.001790][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 417.003971][ T4461] Call trace: [ 417.004629][ T4461] dump_backtrace+0x1c8/0x1f4 [ 417.005697][ T4461] show_stack+0x2c/0x3c [ 417.006582][ T4461] dump_stack_lvl+0xc0/0x104 [ 417.007496][ T4461] dump_stack+0x1c/0x4c [ 417.008428][ T4461] should_fail_ex+0x1bc/0x1e0 [ 417.009419][ T4461] __should_failslab+0x64/0x78 [ 417.010395][ T4461] should_failslab+0x10/0x28 [ 417.011388][ T4461] slab_pre_alloc_hook+0x54/0x1f4 [ 417.012465][ T4461] kmem_cache_alloc_lru+0x60/0x2ac [ 417.013615][ T4461] alloc_inode+0x7c/0x104 [ 417.014667][ T4461] new_inode+0x2c/0xc0 [ 417.015600][ T4461] debugfs_create_dir+0x98/0x1e0 [ 417.016722][ T4461] nbd_start_device+0x1b4/0x504 [ 417.017883][ T4461] nbd_ioctl+0x228/0x66c [ 417.018818][ T4461] blkdev_ioctl+0x218/0x664 [ 417.019775][ T4461] __arm64_sys_ioctl+0xd0/0x148 [ 417.020844][ T4461] invoke_syscall+0x64/0x178 [ 417.021889][ T4461] el0_svc_common+0xb8/0x174 [ 417.022872][ T4461] do_el0_svc+0x48/0x174 [ 417.023825][ T4461] el0_svc+0x34/0x110 [ 417.024791][ T4461] el0t_64_sync_handler+0x84/0xf0 [ 417.025981][ T4461] el0t_64_sync+0x18c/0x190 [ 417.026978][ T4461] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.028705][ T4461] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.154783][ T4461] block nbd0: shutting down sockets [ 417.236918][ T4463] FAULT_INJECTION: forcing a failure. [ 417.236918][ T4463] name failslab, interval 1, probability 0, space 0, times 0 [ 417.239866][ T4463] CPU: 0 PID: 4463 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 417.242075][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 417.244275][ T4463] Call trace: [ 417.245080][ T4463] dump_backtrace+0x1c8/0x1f4 [ 417.246174][ T4463] show_stack+0x2c/0x3c [ 417.247055][ T4463] dump_stack_lvl+0xc0/0x104 [ 417.248136][ T4463] dump_stack+0x1c/0x4c [ 417.249114][ T4463] should_fail_ex+0x1bc/0x1e0 [ 417.250229][ T4463] __should_failslab+0x64/0x78 [ 417.251335][ T4463] should_failslab+0x10/0x28 [ 417.252457][ T4463] slab_pre_alloc_hook+0x54/0x1f4 [ 417.253718][ T4463] kmem_cache_alloc_lru+0x60/0x2ac [ 417.254862][ T4463] alloc_inode+0x7c/0x104 [ 417.255885][ T4463] new_inode+0x2c/0xc0 [ 417.256805][ T4463] debugfs_create_dir+0x98/0x1e0 [ 417.257936][ T4463] nbd_start_device+0x1b4/0x504 [ 417.258994][ T4463] nbd_ioctl+0x228/0x66c [ 417.259982][ T4463] blkdev_ioctl+0x218/0x664 [ 417.261009][ T4463] __arm64_sys_ioctl+0xd0/0x148 [ 417.262121][ T4463] invoke_syscall+0x64/0x178 [ 417.263243][ T4463] el0_svc_common+0xb8/0x174 [ 417.264325][ T4463] do_el0_svc+0x48/0x174 [ 417.265276][ T4463] el0_svc+0x34/0x110 [ 417.266190][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 417.267335][ T4463] el0t_64_sync+0x18c/0x190 [ 417.268444][ T4463] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.270249][ T4463] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.394759][ T4463] block nbd0: shutting down sockets [ 417.516699][ T4466] block nbd0: Device being setup by another task [ 417.568283][ T4465] FAULT_INJECTION: forcing a failure. [ 417.568283][ T4465] name failslab, interval 1, probability 0, space 0, times 0 [ 417.571376][ T4465] CPU: 0 PID: 4465 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 417.573553][ T4465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 417.575854][ T4465] Call trace: [ 417.576586][ T4465] dump_backtrace+0x1c8/0x1f4 [ 417.577696][ T4465] show_stack+0x2c/0x3c [ 417.578720][ T4465] dump_stack_lvl+0xc0/0x104 [ 417.579843][ T4465] dump_stack+0x1c/0x4c [ 417.580823][ T4465] should_fail_ex+0x1bc/0x1e0 [ 417.581920][ T4465] __should_failslab+0x64/0x78 [ 417.583060][ T4465] should_failslab+0x10/0x28 [ 417.584061][ T4465] __kmem_cache_alloc_node+0x6c/0x348 [ 417.585385][ T4465] __kmalloc_node_track_caller+0x84/0xc0 [ 417.586652][ T4465] kstrdup_const+0x90/0xdc [ 417.587877][ T4465] __kernfs_new_node+0x5c/0x2e8 [ 417.589024][ T4465] kernfs_create_dir_ns+0x68/0x144 [ 417.590256][ T4465] sysfs_create_dir_ns+0x8c/0x168 [ 417.591449][ T4465] kobject_add_internal+0x314/0x64c [ 417.592674][ T4465] kobject_add+0xb8/0x130 [ 417.593668][ T4465] blk_mq_register_hctx+0x54/0x184 [ 417.594860][ T4465] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.596178][ T4465] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.597504][ T4465] nbd_start_device+0xc4/0x504 [ 417.598550][ T4465] nbd_ioctl+0x228/0x66c [ 417.599464][ T4465] blkdev_ioctl+0x218/0x664 [ 417.600470][ T4465] __arm64_sys_ioctl+0xd0/0x148 [ 417.601569][ T4465] invoke_syscall+0x64/0x178 [ 417.602640][ T4465] el0_svc_common+0xb8/0x174 [ 417.603696][ T4465] do_el0_svc+0x48/0x174 [ 417.604733][ T4465] el0_svc+0x34/0x110 [ 417.605628][ T4465] el0t_64_sync_handler+0x84/0xf0 [ 417.606860][ T4465] el0t_64_sync+0x18c/0x190 [ 417.607993][ T4465] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 417.662262][ T4465] block nbd0: shutting down sockets [ 417.786695][ T4469] block nbd0: Device being setup by another task [ 417.788232][ T4468] FAULT_INJECTION: forcing a failure. [ 417.788232][ T4468] name failslab, interval 1, probability 0, space 0, times 0 [ 417.791043][ T4468] CPU: 0 PID: 4468 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 417.793281][ T4468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 417.795597][ T4468] Call trace: [ 417.796303][ T4468] dump_backtrace+0x1c8/0x1f4 [ 417.797400][ T4468] show_stack+0x2c/0x3c [ 417.798323][ T4468] dump_stack_lvl+0xc0/0x104 [ 417.799369][ T4468] dump_stack+0x1c/0x4c [ 417.800377][ T4468] should_fail_ex+0x1bc/0x1e0 [ 417.801444][ T4468] __should_failslab+0x64/0x78 [ 417.802551][ T4468] should_failslab+0x10/0x28 [ 417.803582][ T4468] slab_pre_alloc_hook+0x54/0x1f4 [ 417.804749][ T4468] kmem_cache_alloc_lru+0x60/0x2ac [ 417.805933][ T4468] alloc_inode+0x7c/0x104 [ 417.806852][ T4468] new_inode+0x2c/0xc0 [ 417.807865][ T4468] debugfs_create_dir+0x98/0x1e0 [ 417.808962][ T4468] nbd_start_device+0x1b4/0x504 [ 417.810144][ T4468] nbd_ioctl+0x228/0x66c [ 417.811132][ T4468] blkdev_ioctl+0x218/0x664 [ 417.812188][ T4468] __arm64_sys_ioctl+0xd0/0x148 [ 417.813222][ T4468] invoke_syscall+0x64/0x178 [ 417.814265][ T4468] el0_svc_common+0xb8/0x174 [ 417.815338][ T4468] do_el0_svc+0x48/0x174 [ 417.816350][ T4468] el0_svc+0x34/0x110 [ 417.817243][ T4468] el0t_64_sync_handler+0x84/0xf0 [ 417.818312][ T4468] el0t_64_sync+0x18c/0x190 [ 417.819365][ T4468] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.821169][ T4468] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.930905][ T4468] block nbd0: shutting down sockets [ 418.077967][ T4471] ------------[ cut here ]------------ [ 418.079284][ T4471] kernfs: can not remove 'nr_tags', no directory [ 418.080899][ T4471] WARNING: CPU: 1 PID: 4471 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.083313][ T4471] Modules linked in: [ 418.084234][ T4471] CPU: 1 PID: 4471 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 418.086514][ T4471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 418.088773][ T4471] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.090561][ T4471] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.091863][ T4471] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.093288][ T4471] sp : ffff80000df2bac0 [ 418.094249][ T4471] x29: ffff80000df2bac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 418.096268][ T4471] x26: ffff0000c69d8908 x25: ffff80000df2bbe8 x24: ffff0001ffbac000 [ 418.098160][ T4471] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 418.099874][ T4471] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.101669][ T4471] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 418.103627][ T4471] x14: 0000000000000000 x13: 205d313734345420 x12: ffff80000d193000 [ 418.105341][ T4471] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 409735b9c9dd6500 [ 418.107269][ T4471] x8 : 409735b9c9dd6500 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 418.109030][ T4471] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.110823][ T4471] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.112612][ T4471] Call trace: [ 418.113410][ T4471] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.114627][ T4471] sysfs_remove_group+0x68/0x160 [ 418.115776][ T4471] sysfs_remove_groups+0x3c/0x78 [ 418.116908][ T4471] __kobject_del+0x34/0x134 [ 418.117886][ T4471] kobject_del+0x2c/0x4c [ 418.118876][ T4471] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.120194][ T4471] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.121443][ T4471] nbd_start_device+0xc4/0x504 [ 418.122550][ T4471] nbd_ioctl+0x228/0x66c [ 418.123512][ T4471] blkdev_ioctl+0x218/0x664 [ 418.124572][ T4471] __arm64_sys_ioctl+0xd0/0x148 [ 418.125652][ T4471] invoke_syscall+0x64/0x178 [ 418.126595][ T4471] el0_svc_common+0xb8/0x174 [ 418.127651][ T4471] do_el0_svc+0x48/0x174 [ 418.128625][ T4471] el0_svc+0x34/0x110 [ 418.129494][ T4471] el0t_64_sync_handler+0x84/0xf0 [ 418.130563][ T4471] el0t_64_sync+0x18c/0x190 [ 418.131577][ T4471] ---[ end trace 0000000000000000 ]--- [ 418.132897][ T4471] ------------[ cut here ]------------ [ 418.134130][ T4471] kernfs: can not remove 'nr_reserved_tags', no directory [ 418.135870][ T4471] WARNING: CPU: 1 PID: 4471 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.137959][ T4471] Modules linked in: [ 418.138862][ T4471] CPU: 1 PID: 4471 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 418.141120][ T4471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 418.143416][ T4471] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.145174][ T4471] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.146419][ T4471] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.147765][ T4471] sp : ffff80000df2bac0 [ 418.148776][ T4471] x29: ffff80000df2bac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 418.150635][ T4471] x26: ffff0000c69d8908 x25: ffff80000df2bbe8 x24: ffff0001ffbac000 [ 418.152450][ T4471] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 418.154320][ T4471] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.156324][ T4471] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 418.158156][ T4471] x14: 0000000000000000 x13: 205d313734345420 x12: ffff80000d193000 [ 418.159993][ T4471] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 409735b9c9dd6500 [ 418.161865][ T4471] x8 : 409735b9c9dd6500 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 418.163714][ T4471] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.165468][ T4471] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.167258][ T4471] Call trace: [ 418.167972][ T4471] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.169263][ T4471] sysfs_remove_group+0x68/0x160 [ 418.170365][ T4471] sysfs_remove_groups+0x3c/0x78 [ 418.171524][ T4471] __kobject_del+0x34/0x134 [ 418.172527][ T4471] kobject_del+0x2c/0x4c [ 418.173402][ T4471] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.174778][ T4471] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.176061][ T4471] nbd_start_device+0xc4/0x504 [ 418.177113][ T4471] nbd_ioctl+0x228/0x66c [ 418.178021][ T4471] blkdev_ioctl+0x218/0x664 [ 418.179039][ T4471] __arm64_sys_ioctl+0xd0/0x148 [ 418.180153][ T4471] invoke_syscall+0x64/0x178 [ 418.181250][ T4471] el0_svc_common+0xb8/0x174 [ 418.182289][ T4471] do_el0_svc+0x48/0x174 [ 418.183237][ T4471] el0_svc+0x34/0x110 [ 418.184153][ T4471] el0t_64_sync_handler+0x84/0xf0 [ 418.185359][ T4471] el0t_64_sync+0x18c/0x190 [ 418.186400][ T4471] ---[ end trace 0000000000000000 ]--- [ 418.187735][ T4471] ------------[ cut here ]------------ [ 418.189013][ T4471] kernfs: can not remove 'cpu_list', no directory [ 418.190456][ T4471] WARNING: CPU: 1 PID: 4471 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.192519][ T4471] Modules linked in: [ 418.193327][ T4471] CPU: 1 PID: 4471 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 418.195474][ T4471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 418.197696][ T4471] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.199390][ T4471] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.200798][ T4471] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.202045][ T4471] sp : ffff80000df2bac0 [ 418.202978][ T4471] x29: ffff80000df2bac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 418.204922][ T4471] x26: ffff0000c69d8908 x25: ffff80000df2bbe8 x24: ffff0001ffbac000 [ 418.206710][ T4471] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 418.208544][ T4471] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.210448][ T4471] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 418.212414][ T4471] x14: 0000000000000000 x13: 205d313734345420 x12: ffff80000d193000 [ 418.214222][ T4471] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 409735b9c9dd6500 [ 418.216042][ T4471] x8 : 409735b9c9dd6500 x7 : 0000000000000000 x6 : ffff80000ae18f30 [ 418.217858][ T4471] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f52a8 [ 418.219703][ T4471] x2 : ffff0001fe9f52a8 x1 : ffff80000b9b3eab x0 : 0000000000000001 [ 418.221456][ T4471] Call trace: [ 418.222164][ T4471] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.223386][ T4471] sysfs_remove_group+0x68/0x160 [ 418.224455][ T4471] sysfs_remove_groups+0x3c/0x78 [ 418.225486][ T4471] __kobject_del+0x34/0x134 [ 418.226575][ T4471] kobject_del+0x2c/0x4c [ 418.227420][ T4471] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.228735][ T4471] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.230056][ T4471] nbd_start_device+0xc4/0x504 [ 418.231169][ T4471] nbd_ioctl+0x228/0x66c [ 418.232037][ T4471] blkdev_ioctl+0x218/0x664 [ 418.233115][ T4471] __arm64_sys_ioctl+0xd0/0x148 [ 418.234117][ T4471] invoke_syscall+0x64/0x178 [ 418.235079][ T4471] el0_svc_common+0xb8/0x174 [ 418.236215][ T4471] do_el0_svc+0x48/0x174 [ 418.237174][ T4471] el0_svc+0x34/0x110 [ 418.238077][ T4471] el0t_64_sync_handler+0x84/0xf0 [ 418.239240][ T4471] el0t_64_sync+0x18c/0x190 [ 418.240199][ T4471] ---[ end trace 0000000000000000 ]--- [ 418.243827][ T4471] block nbd0: shutting down sockets [ 418.366698][ T4474] block nbd0: Device being setup by another task [ 418.418447][ T4473] FAULT_INJECTION: forcing a failure. [ 418.418447][ T4473] name failslab, interval 1, probability 0, space 0, times 0 [ 418.421465][ T4473] CPU: 0 PID: 4473 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 418.423762][ T4473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 418.426071][ T4473] Call trace: [ 418.426834][ T4473] dump_backtrace+0x1c8/0x1f4 [ 418.427939][ T4473] show_stack+0x2c/0x3c [ 418.428872][ T4473] dump_stack_lvl+0xc0/0x104 [ 418.429863][ T4473] dump_stack+0x1c/0x4c [ 418.430757][ T4473] should_fail_ex+0x1bc/0x1e0 [ 418.431887][ T4473] __should_failslab+0x64/0x78 [ 418.432990][ T4473] should_failslab+0x10/0x28 [ 418.434026][ T4473] __kmem_cache_alloc_node+0x6c/0x348 [ 418.435330][ T4473] __kmalloc_node_track_caller+0x84/0xc0 [ 418.436618][ T4473] kstrdup_const+0x90/0xdc [ 418.437661][ T4473] __kernfs_new_node+0x5c/0x2e8 [ 418.438766][ T4473] kernfs_create_dir_ns+0x68/0x144 [ 418.439995][ T4473] sysfs_create_dir_ns+0x8c/0x168 [ 418.441094][ T4473] kobject_add_internal+0x314/0x64c [ 418.442281][ T4473] kobject_add+0xb8/0x130 [ 418.443324][ T4473] blk_mq_register_hctx+0x54/0x184 [ 418.444561][ T4473] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 418.445921][ T4473] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 418.447253][ T4473] nbd_start_device+0xc4/0x504 [ 418.448375][ T4473] nbd_ioctl+0x228/0x66c [ 418.449341][ T4473] blkdev_ioctl+0x218/0x664 [ 418.450361][ T4473] __arm64_sys_ioctl+0xd0/0x148 [ 418.451412][ T4473] invoke_syscall+0x64/0x178 [ 418.452570][ T4473] el0_svc_common+0xb8/0x174 [ 418.453695][ T4473] do_el0_svc+0x48/0x174 [ 418.454677][ T4473] el0_svc+0x34/0x110 [ 418.455552][ T4473] el0t_64_sync_handler+0x84/0xf0 [ 418.456648][ T4473] el0t_64_sync+0x18c/0x190 [ 418.457793][ T4473] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 418.515427][ T4473] block nbd0: shutting down sockets [ 418.626695][ T4477] block nbd0: Device being setup by another task [ 418.628286][ T4476] FAULT_INJECTION: forcing a failure. [ 418.628286][ T4476] name failslab, interval 1, probability 0, space 0, times 0 [ 418.631134][ T4476] CPU: 0 PID: 4476 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 418.633271][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 418.635624][ T4476] Call trace: [ 418.636317][ T4476] dump_backtrace+0x1c8/0x1f4 [ 418.637393][ T4476] show_stack+0x2c/0x3c [ 418.638426][ T4476] dump_stack_lvl+0xc0/0x104 [ 418.639415][ T4476] dump_stack+0x1c/0x4c [ 418.640365][ T4476] should_fail_ex+0x1bc/0x1e0 [ 418.641423][ T4476] __should_failslab+0x64/0x78 [ 418.642601][ T4476] should_failslab+0x10/0x28 [ 418.643641][ T4476] slab_pre_alloc_hook+0x54/0x1f4 [ 418.644784][ T4476] kmem_cache_alloc_lru+0x60/0x2ac [ 418.645955][ T4476] alloc_inode+0x7c/0x104 [ 418.646973][ T4476] new_inode+0x2c/0xc0 [ 418.647854][ T4476] debugfs_create_dir+0x98/0x1e0 [ 418.649044][ T4476] nbd_start_device+0x1b4/0x504 [ 418.650118][ T4476] nbd_ioctl+0x228/0x66c [ 418.651087][ T4476] blkdev_ioctl+0x218/0x664 [ 418.652174][ T4476] __arm64_sys_ioctl+0xd0/0x148 [ 418.653232][ T4476] invoke_syscall+0x64/0x178 [ 418.654310][ T4476] el0_svc_common+0xb8/0x174 [ 418.655370][ T4476] do_el0_svc+0x48/0x174 [ 418.656372][ T4476] el0_svc+0x34/0x110 [ 418.657273][ T4476] el0t_64_sync_handler+0x84/0xf0 [ 418.658480][ T4476] el0t_64_sync+0x18c/0x190 [ 418.659508][ T4476] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.661299][ T4476] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.782762][ T4476] block nbd0: shutting down sockets [ 418.947867][ T4480] ------------[ cut here ]------------ [ 418.949121][ T4480] kernfs: can not remove 'nr_tags', no directory [ 418.950642][ T4480] WARNING: CPU: 0 PID: 4480 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.952898][ T4480] Modules linked in: [ 418.953777][ T4480] CPU: 0 PID: 4480 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 418.956050][ T4480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 418.958284][ T4480] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.960098][ T4480] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.961486][ T4480] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.962933][ T4480] sp : ffff80000df33ac0 [ 418.963874][ T4480] x29: ffff80000df33ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 418.965778][ T4480] x26: ffff0000c69d8908 x25: ffff80000df33be8 x24: ffff0000cb80a500 [ 418.967700][ T4480] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 418.969480][ T4480] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.971321][ T4480] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 418.973091][ T4480] x14: 0000000000000000 x13: 205d303834345420 x12: ffff80000d193000 [ 418.974936][ T4480] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c00a079e62a31100 [ 418.976762][ T4480] x8 : c00a079e62a31100 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 418.978519][ T4480] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.980231][ T4480] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.982096][ T4480] Call trace: [ 418.982872][ T4480] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.984091][ T4480] sysfs_remove_group+0x68/0x160 [ 418.985279][ T4480] sysfs_remove_groups+0x3c/0x78 [ 418.986369][ T4480] __kobject_del+0x34/0x134 [ 418.987375][ T4480] kobject_del+0x2c/0x4c [ 418.988348][ T4480] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.989667][ T4480] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.990926][ T4480] nbd_start_device+0xc4/0x504 [ 418.991942][ T4480] nbd_ioctl+0x228/0x66c [ 418.992854][ T4480] blkdev_ioctl+0x218/0x664 [ 418.993832][ T4480] __arm64_sys_ioctl+0xd0/0x148 [ 418.995043][ T4480] invoke_syscall+0x64/0x178 [ 418.996005][ T4480] el0_svc_common+0xb8/0x174 [ 418.997066][ T4480] do_el0_svc+0x48/0x174 [ 418.998034][ T4480] el0_svc+0x34/0x110 [ 418.998879][ T4480] el0t_64_sync_handler+0x84/0xf0 [ 418.999993][ T4480] el0t_64_sync+0x18c/0x190 [ 419.000954][ T4480] ---[ end trace 0000000000000000 ]--- [ 419.002229][ T4480] ------------[ cut here ]------------ [ 419.003522][ T4480] kernfs: can not remove 'nr_reserved_tags', no directory [ 419.005106][ T4480] WARNING: CPU: 0 PID: 4480 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.007260][ T4480] Modules linked in: [ 419.008165][ T4480] CPU: 0 PID: 4480 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 419.010403][ T4480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 419.012710][ T4480] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.014489][ T4480] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.015850][ T4480] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.017141][ T4480] sp : ffff80000df33ac0 [ 419.018044][ T4480] x29: ffff80000df33ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 419.019804][ T4480] x26: ffff0000c69d8908 x25: ffff80000df33be8 x24: ffff0000cb80a500 [ 419.021497][ T4480] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 419.023217][ T4480] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.024912][ T4480] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 419.026670][ T4480] x14: 0000000000000000 x13: 205d303834345420 x12: ffff80000d193000 [ 419.028467][ T4480] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c00a079e62a31100 [ 419.030267][ T4480] x8 : c00a079e62a31100 x7 : 0000000000000000 x6 : ffff80000ae18f30 [ 419.031982][ T4480] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9de2a8 [ 419.033852][ T4480] x2 : ffff0001fe9de2a8 x1 : ffff80000b9b3eab x0 : 0000000000000001 [ 419.035848][ T4480] Call trace: [ 419.036566][ T4480] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.037680][ T4480] sysfs_remove_group+0x68/0x160 [ 419.038868][ T4480] sysfs_remove_groups+0x3c/0x78 [ 419.039953][ T4480] __kobject_del+0x34/0x134 [ 419.040975][ T4480] kobject_del+0x2c/0x4c [ 419.041932][ T4480] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.043208][ T4480] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.044423][ T4480] nbd_start_device+0xc4/0x504 [ 419.045568][ T4480] nbd_ioctl+0x228/0x66c [ 419.046523][ T4480] blkdev_ioctl+0x218/0x664 [ 419.047567][ T4480] __arm64_sys_ioctl+0xd0/0x148 [ 419.048645][ T4480] invoke_syscall+0x64/0x178 [ 419.049715][ T4480] el0_svc_common+0xb8/0x174 [ 419.050777][ T4480] do_el0_svc+0x48/0x174 [ 419.051773][ T4480] el0_svc+0x34/0x110 [ 419.052634][ T4480] el0t_64_sync_handler+0x84/0xf0 [ 419.053822][ T4480] el0t_64_sync+0x18c/0x190 [ 419.054823][ T4480] ---[ end trace 0000000000000000 ]--- [ 419.056114][ T4480] ------------[ cut here ]------------ [ 419.057300][ T4480] kernfs: can not remove 'cpu_list', no directory [ 419.058750][ T4480] WARNING: CPU: 0 PID: 4480 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.060908][ T4480] Modules linked in: [ 419.061718][ T4480] CPU: 0 PID: 4480 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 419.063941][ T4480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 419.066148][ T4480] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.067918][ T4480] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.069267][ T4480] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.070495][ T4480] sp : ffff80000df33ac0 [ 419.071388][ T4480] x29: ffff80000df33ac0 x28: ffff80000bce3000 x27: ffff0000c69d8908 [ 419.073244][ T4480] x26: ffff0000c69d8908 x25: ffff80000df33be8 x24: ffff0000cb80a500 [ 419.075022][ T4480] x23: ffff0000c5b10000 x22: 0000000000000000 x21: 0000000000000000 [ 419.076891][ T4480] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.078777][ T4480] x17: ffff80000d3cf508 x16: 0000000000001178 x15: 0000000000000000 [ 419.080603][ T4480] x14: 0000000000000000 x13: 205d303834345420 x12: ffff80000d193000 [ 419.082475][ T4480] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c00a079e62a31100 [ 419.084149][ T4480] x8 : c00a079e62a31100 x7 : 0000000000000000 x6 : ffff80000ae1d564 [ 419.085884][ T4480] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.087644][ T4480] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.089443][ T4480] Call trace: [ 419.090204][ T4480] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.091306][ T4480] sysfs_remove_group+0x68/0x160 [ 419.092379][ T4480] sysfs_remove_groups+0x3c/0x78 [ 419.093408][ T4480] __kobject_del+0x34/0x134 [ 419.094408][ T4480] kobject_del+0x2c/0x4c [ 419.095358][ T4480] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.096705][ T4480] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.097967][ T4480] nbd_start_device+0xc4/0x504 [ 419.099028][ T4480] nbd_ioctl+0x228/0x66c [ 419.099997][ T4480] blkdev_ioctl+0x218/0x664 [ 419.100995][ T4480] __arm64_sys_ioctl+0xd0/0x148 [ 419.102034][ T4480] invoke_syscall+0x64/0x178 [ 419.103109][ T4480] el0_svc_common+0xb8/0x174 [ 419.104141][ T4480] do_el0_svc+0x48/0x174 [ 419.105088][ T4480] el0_svc+0x34/0x110 [ 419.106110][ T4480] el0t_64_sync_handler+0x84/0xf0 [ 419.107353][ T4480] el0t_64_sync+0x18c/0x190 [ 419.108331][ T4480] ---[ end trace 0000000000000000 ]--- [ 419.111105][ T4480] block nbd0: shutting down sockets [ 419.196980][ T4482] FAULT_INJECTION: forcing a failure. [ 419.196980][ T4482] name failslab, interval 1, probability 0, space 0, times 0 [ 419.199898][ T4482] CPU: 0 PID: 4482 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 419.202172][ T4482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 419.204467][ T4482] Call trace: [ 419.205207][ T4482] dump_backtrace+0x1c8/0x1f4 [ 419.206226][ T4482] show_stack+0x2c/0x3c [ 419.207324][ T4482] dump_stack_lvl+0xc0/0x104 [ 419.208377][ T4482] dump_stack+0x1c/0x4c [ 419.209311][ T4482] should_fail_ex+0x1bc/0x1e0 [ 419.210421][ T4482] __should_failslab+0x64/0x78 [ 419.211565][ T4482] should_failslab+0x10/0x28 [ 419.212627][ T4482] slab_pre_alloc_hook+0x54/0x1f4 [ 419.213833][ T4482] kmem_cache_alloc_lru+0x60/0x2ac [ 419.215035][ T4482] alloc_inode+0x7c/0x104 [ 419.216002][ T4482] new_inode+0x2c/0xc0 [ 419.216886][ T4482] debugfs_create_dir+0x98/0x1e0 [ 419.218021][ T4482] nbd_start_device+0x1b4/0x504 [ 419.219209][ T4482] nbd_ioctl+0x228/0x66c [ 419.220131][ T4482] blkdev_ioctl+0x218/0x664 [ 419.221190][ T4482] __arm64_sys_ioctl+0xd0/0x148 [ 419.222293][ T4482] invoke_syscall+0x64/0x178 [ 419.223361][ T4482] el0_svc_common+0xb8/0x174 [ 419.224318][ T4482] do_el0_svc+0x48/0x174 [ 419.225281][ T4482] el0_svc+0x34/0x110 [ 419.226219][ T4482] el0t_64_sync_handler+0x84/0xf0 [ 419.227386][ T4482] el0t_64_sync+0x18c/0x190 [ 419.228467][ T4482] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.230249][ T4482] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.354744][ T4482] block nbd0: shutting down sockets [ 419.436936][ T4484] FAULT_INJECTION: forcing a failure. [ 419.436936][ T4484] name failslab, interval 1, probability 0, space 0, times 0 [ 419.439895][ T4484] CPU: 1 PID: 4484 Comm: syz-executor398 Tainted: G W 6.1.68-syzkaller #0 [ 419.442025][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023