Warning: Permanently added '10.128.0.215' (ED25519) to the list of known hosts. 2025/09/04 10:29:33 ignoring optional flag "type"="gce" 2025/09/04 10:29:33 parsed 1 programs [ 39.496076][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 39.496098][ T24] audit: type=1400 audit(1756981773.910:92): avc: denied { unlink } for pid=317 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2025/09/04 10:29:33 executed programs: 0 [ 39.560113][ T317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 39.605685][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.612832][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.620257][ T324] device bridge_slave_0 entered promiscuous mode [ 39.627119][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.634171][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.641474][ T324] device bridge_slave_1 entered promiscuous mode [ 39.671111][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.678671][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.685974][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.693007][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.709066][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.716453][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.724273][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.731809][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.740573][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.748767][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.755830][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.764767][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.772947][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.780252][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.791089][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.800018][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.812474][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.823280][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.831438][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.839077][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.847325][ T324] device veth0_vlan entered promiscuous mode [ 39.856789][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.866002][ T324] device veth1_macvtap entered promiscuous mode [ 39.874781][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.884480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.903517][ T24] audit: type=1400 audit(1756981774.310:93): avc: denied { read } for pid=328 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 39.928265][ T24] audit: type=1400 audit(1756981774.340:94): avc: denied { open } for pid=328 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 39.954280][ T24] audit: type=1400 audit(1756981774.340:95): avc: denied { ioctl } for pid=328 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c80 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 39.991774][ T333] FAULT_INJECTION: forcing a failure. [ 39.991774][ T333] name failslab, interval 1, probability 0, space 0, times 1 [ 40.004730][ T333] CPU: 0 PID: 333 Comm: syz-executor.0 Not tainted syzkaller #0 [ 40.012444][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 40.022650][ T333] Call Trace: [ 40.025928][ T333] __dump_stack+0x21/0x24 [ 40.030244][ T333] dump_stack_lvl+0x169/0x1d8 [ 40.034903][ T333] ? show_regs_print_info+0x18/0x18 [ 40.040080][ T333] dump_stack+0x15/0x1c [ 40.044311][ T333] should_fail+0x3c1/0x510 [ 40.048719][ T333] ? security_inode_alloc+0x33/0x110 [ 40.053987][ T333] __should_failslab+0xa4/0xe0 [ 40.058828][ T333] should_failslab+0x9/0x20 [ 40.063416][ T333] kmem_cache_alloc+0x3d/0x2e0 [ 40.068163][ T333] ? slab_post_alloc_hook+0x5d/0x2f0 [ 40.073778][ T333] security_inode_alloc+0x33/0x110 [ 40.078875][ T333] inode_init_always+0x70a/0x9b0 [ 40.083803][ T333] new_inode_pseudo+0x91/0x210 [ 40.088560][ T333] new_inode+0x28/0x1e0 [ 40.092700][ T333] ? start_creating+0x1db/0x2f0 [ 40.097629][ T333] __debugfs_create_file+0x149/0x4b0 [ 40.102892][ T333] ? up_write+0x57/0x120 [ 40.107214][ T333] debugfs_create_file+0x4a/0x60 [ 40.112163][ T333] bdi_register_va+0x2a9/0x5f0 [ 40.117003][ T333] bdi_register+0xd1/0x120 [ 40.121496][ T333] ? bdi_register_va+0x5f0/0x5f0 [ 40.126418][ T333] ? __kasan_check_read+0x11/0x20 [ 40.131424][ T333] ? blk_alloc_devt+0xda/0x330 [ 40.136174][ T333] __device_add_disk+0x548/0x1020 [ 40.141181][ T333] device_add_disk+0x2a/0x40 [ 40.145764][ T333] loop_add+0x5bd/0x7b0 [ 40.150086][ T333] loop_control_ioctl+0x369/0x550 [ 40.155148][ T333] ? loop_remove+0xb0/0xb0 [ 40.159551][ T333] ? __fget_files+0x2c4/0x320 [ 40.164214][ T333] ? security_file_ioctl+0x84/0xa0 [ 40.169318][ T333] ? loop_remove+0xb0/0xb0 [ 40.173833][ T333] __se_sys_ioctl+0x121/0x1a0 [ 40.178613][ T333] __x64_sys_ioctl+0x7b/0x90 [ 40.183219][ T333] do_syscall_64+0x31/0x40 [ 40.187625][ T333] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 40.193506][ T333] RIP: 0033:0x7f1f61438da9 [ 40.197926][ T333] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 40.217732][ T333] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.226138][ T333] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 40.234196][ T333] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.242339][ T333] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 40.250390][ T333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.258436][ T333] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 40.267096][ T333] debugfs: out of free dentries, can not create file 'stats' [ 40.315651][ T330] udevd[330]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 40.328671][ T337] FAULT_INJECTION: forcing a failure. [ 40.328671][ T337] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 40.342174][ T337] CPU: 0 PID: 337 Comm: syz-executor.0 Not tainted syzkaller #0 [ 40.349810][ T337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 40.360121][ T337] Call Trace: [ 40.363414][ T337] __dump_stack+0x21/0x24 [ 40.367822][ T337] dump_stack_lvl+0x169/0x1d8 [ 40.372751][ T337] ? show_regs_print_info+0x18/0x18 [ 40.377931][ T337] ? __kasan_slab_alloc+0xcf/0xf0 [ 40.382935][ T337] ? slab_post_alloc_hook+0x5d/0x2f0 [ 40.388204][ T337] ? kmem_cache_alloc+0x165/0x2e0 [ 40.393208][ T337] ? security_inode_alloc+0x33/0x110 [ 40.398472][ T337] ? new_inode_pseudo+0x91/0x210 [ 40.403397][ T337] dump_stack+0x15/0x1c [ 40.407664][ T337] should_fail+0x3c1/0x510 [ 40.412084][ T337] should_fail_alloc_page+0x4f/0x60 [ 40.417377][ T337] __alloc_pages_nodemask+0x109/0x5f0 [ 40.422851][ T337] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 40.428465][ T337] ? __kasan_check_write+0x14/0x20 [ 40.433562][ T337] ? _raw_spin_lock+0x8e/0xe0 [ 40.438441][ T337] __get_free_pages+0xe/0x30 [ 40.443028][ T337] selinux_genfs_get_sid+0x59/0x250 [ 40.448241][ T337] ? lockref_get+0xbc/0x120 [ 40.452851][ T337] inode_doinit_with_dentry+0x86d/0xd70 [ 40.458392][ T337] ? security_inode_alloc+0x33/0x110 [ 40.463747][ T337] ? sb_finish_set_opts+0x7c0/0x7c0 [ 40.468987][ T337] ? current_time+0x18c/0x2a0 [ 40.473677][ T337] selinux_d_instantiate+0x27/0x40 [ 40.478937][ T337] security_d_instantiate+0x9e/0xf0 [ 40.484238][ T337] d_instantiate+0x55/0x90 [ 40.488773][ T337] __debugfs_create_file+0x2e1/0x4b0 [ 40.494060][ T337] ? up_write+0x57/0x120 [ 40.498293][ T337] debugfs_create_file+0x4a/0x60 [ 40.503239][ T337] bdi_register_va+0x2a9/0x5f0 [ 40.508035][ T337] bdi_register+0xd1/0x120 [ 40.512440][ T337] ? bdi_register_va+0x5f0/0x5f0 [ 40.517476][ T337] ? __kasan_check_read+0x11/0x20 [ 40.522649][ T337] ? blk_alloc_devt+0xda/0x330 [ 40.527421][ T337] __device_add_disk+0x548/0x1020 [ 40.532555][ T337] device_add_disk+0x2a/0x40 [ 40.537139][ T337] loop_add+0x5bd/0x7b0 [ 40.541291][ T337] loop_control_ioctl+0x369/0x550 [ 40.546382][ T337] ? loop_remove+0xb0/0xb0 [ 40.550792][ T337] ? __fget_files+0x2c4/0x320 [ 40.555558][ T337] ? security_file_ioctl+0x84/0xa0 [ 40.560734][ T337] ? loop_remove+0xb0/0xb0 [ 40.565172][ T337] __se_sys_ioctl+0x121/0x1a0 [ 40.569859][ T337] __x64_sys_ioctl+0x7b/0x90 [ 40.574661][ T337] do_syscall_64+0x31/0x40 [ 40.579153][ T337] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 40.585210][ T337] RIP: 0033:0x7f1f61438da9 [ 40.589708][ T337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 40.609472][ T337] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.617864][ T337] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 40.625905][ T337] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.633870][ T337] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 40.641840][ T337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.649805][ T337] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 40.701615][ T342] FAULT_INJECTION: forcing a failure. [ 40.701615][ T342] name failslab, interval 1, probability 0, space 0, times 0 [ 40.714482][ T342] CPU: 1 PID: 342 Comm: syz-executor.0 Not tainted syzkaller #0 [ 40.722118][ T342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 40.732492][ T342] Call Trace: [ 40.735997][ T342] __dump_stack+0x21/0x24 [ 40.740548][ T342] dump_stack_lvl+0x169/0x1d8 [ 40.745221][ T342] ? show_regs_print_info+0x18/0x18 [ 40.750420][ T342] dump_stack+0x15/0x1c [ 40.754736][ T342] should_fail+0x3c1/0x510 [ 40.759138][ T342] ? security_inode_alloc+0x33/0x110 [ 40.764428][ T342] __should_failslab+0xa4/0xe0 [ 40.769360][ T342] should_failslab+0x9/0x20 [ 40.774029][ T342] kmem_cache_alloc+0x3d/0x2e0 [ 40.778878][ T342] ? slab_post_alloc_hook+0x5d/0x2f0 [ 40.784158][ T342] security_inode_alloc+0x33/0x110 [ 40.789345][ T342] inode_init_always+0x70a/0x9b0 [ 40.794266][ T342] new_inode_pseudo+0x91/0x210 [ 40.799026][ T342] new_inode+0x28/0x1e0 [ 40.803161][ T342] ? start_creating+0x1db/0x2f0 [ 40.807990][ T342] __debugfs_create_file+0x149/0x4b0 [ 40.813354][ T342] ? up_write+0x57/0x120 [ 40.817875][ T342] debugfs_create_file+0x4a/0x60 [ 40.822941][ T342] bdi_register_va+0x2a9/0x5f0 [ 40.827871][ T342] bdi_register+0xd1/0x120 [ 40.832411][ T342] ? bdi_register_va+0x5f0/0x5f0 [ 40.837348][ T342] ? __kasan_check_read+0x11/0x20 [ 40.842484][ T342] ? blk_alloc_devt+0xda/0x330 [ 40.847239][ T342] __device_add_disk+0x548/0x1020 [ 40.852259][ T342] device_add_disk+0x2a/0x40 [ 40.856836][ T342] loop_add+0x5bd/0x7b0 [ 40.860973][ T342] loop_control_ioctl+0x369/0x550 [ 40.865977][ T342] ? loop_remove+0xb0/0xb0 [ 40.870380][ T342] ? __fget_files+0x2c4/0x320 [ 40.875047][ T342] ? security_file_ioctl+0x84/0xa0 [ 40.880408][ T342] ? loop_remove+0xb0/0xb0 [ 40.884824][ T342] __se_sys_ioctl+0x121/0x1a0 [ 40.889617][ T342] __x64_sys_ioctl+0x7b/0x90 [ 40.894293][ T342] do_syscall_64+0x31/0x40 [ 40.898795][ T342] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 40.904674][ T342] RIP: 0033:0x7f1f61438da9 [ 40.909080][ T342] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 40.929652][ T342] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.938372][ T342] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 40.946346][ T342] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.954494][ T342] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 40.962735][ T342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.971108][ T342] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 40.980419][ T342] debugfs: out of free dentries, can not create file 'stats' [ 41.045157][ T335] udevd[335]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 41.058390][ T345] FAULT_INJECTION: forcing a failure. [ 41.058390][ T345] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.071742][ T345] CPU: 0 PID: 345 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.079793][ T345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 41.090140][ T345] Call Trace: [ 41.093425][ T345] __dump_stack+0x21/0x24 [ 41.097926][ T345] dump_stack_lvl+0x169/0x1d8 [ 41.102686][ T345] ? show_regs_print_info+0x18/0x18 [ 41.107901][ T345] ? __kasan_slab_alloc+0xcf/0xf0 [ 41.113021][ T345] ? slab_post_alloc_hook+0x5d/0x2f0 [ 41.118383][ T345] ? kmem_cache_alloc+0x165/0x2e0 [ 41.123394][ T345] ? security_inode_alloc+0x33/0x110 [ 41.128683][ T345] ? new_inode_pseudo+0x91/0x210 [ 41.133671][ T345] dump_stack+0x15/0x1c [ 41.137843][ T345] should_fail+0x3c1/0x510 [ 41.142263][ T345] should_fail_alloc_page+0x4f/0x60 [ 41.147458][ T345] __alloc_pages_nodemask+0x109/0x5f0 [ 41.152946][ T345] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 41.158476][ T345] ? __kasan_check_write+0x14/0x20 [ 41.163665][ T345] ? _raw_spin_lock+0x8e/0xe0 [ 41.168454][ T345] __get_free_pages+0xe/0x30 [ 41.173030][ T345] selinux_genfs_get_sid+0x59/0x250 [ 41.178693][ T345] ? lockref_get+0xbc/0x120 [ 41.183306][ T345] inode_doinit_with_dentry+0x86d/0xd70 [ 41.188931][ T345] ? security_inode_alloc+0x33/0x110 [ 41.194219][ T345] ? sb_finish_set_opts+0x7c0/0x7c0 [ 41.199418][ T345] ? current_time+0x18c/0x2a0 [ 41.204186][ T345] selinux_d_instantiate+0x27/0x40 [ 41.209480][ T345] security_d_instantiate+0x9e/0xf0 [ 41.214689][ T345] d_instantiate+0x55/0x90 [ 41.219125][ T345] __debugfs_create_file+0x2e1/0x4b0 [ 41.224481][ T345] ? up_write+0x57/0x120 [ 41.228705][ T345] debugfs_create_file+0x4a/0x60 [ 41.233712][ T345] bdi_register_va+0x2a9/0x5f0 [ 41.238622][ T345] bdi_register+0xd1/0x120 [ 41.243020][ T345] ? bdi_register_va+0x5f0/0x5f0 [ 41.247942][ T345] ? __kasan_check_read+0x11/0x20 [ 41.252972][ T345] ? blk_alloc_devt+0xda/0x330 [ 41.257811][ T345] __device_add_disk+0x548/0x1020 [ 41.262838][ T345] device_add_disk+0x2a/0x40 [ 41.267420][ T345] loop_add+0x5bd/0x7b0 [ 41.271574][ T345] loop_control_ioctl+0x369/0x550 [ 41.276672][ T345] ? loop_remove+0xb0/0xb0 [ 41.281082][ T345] ? __fget_files+0x2c4/0x320 [ 41.285755][ T345] ? security_file_ioctl+0x84/0xa0 [ 41.290866][ T345] ? loop_remove+0xb0/0xb0 [ 41.295359][ T345] __se_sys_ioctl+0x121/0x1a0 [ 41.300050][ T345] __x64_sys_ioctl+0x7b/0x90 [ 41.304631][ T345] do_syscall_64+0x31/0x40 [ 41.309038][ T345] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 41.315145][ T345] RIP: 0033:0x7f1f61438da9 [ 41.319655][ T345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 41.339353][ T345] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.348190][ T345] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 41.356428][ T345] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.364512][ T345] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 41.372481][ T345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.380445][ T345] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 41.415466][ T331] udevd[331]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 41.428536][ T348] FAULT_INJECTION: forcing a failure. [ 41.428536][ T348] name failslab, interval 1, probability 0, space 0, times 0 [ 41.441366][ T348] CPU: 1 PID: 348 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.449008][ T348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 41.459160][ T348] Call Trace: [ 41.462440][ T348] __dump_stack+0x21/0x24 [ 41.466760][ T348] dump_stack_lvl+0x169/0x1d8 [ 41.471424][ T348] ? show_regs_print_info+0x18/0x18 [ 41.476615][ T348] dump_stack+0x15/0x1c [ 41.480753][ T348] should_fail+0x3c1/0x510 [ 41.485245][ T348] ? security_inode_alloc+0x33/0x110 [ 41.490523][ T348] __should_failslab+0xa4/0xe0 [ 41.495428][ T348] should_failslab+0x9/0x20 [ 41.500023][ T348] kmem_cache_alloc+0x3d/0x2e0 [ 41.504788][ T348] ? slab_post_alloc_hook+0x5d/0x2f0 [ 41.510072][ T348] security_inode_alloc+0x33/0x110 [ 41.515179][ T348] inode_init_always+0x70a/0x9b0 [ 41.520286][ T348] new_inode_pseudo+0x91/0x210 [ 41.525127][ T348] new_inode+0x28/0x1e0 [ 41.529287][ T348] ? start_creating+0x1db/0x2f0 [ 41.534130][ T348] __debugfs_create_file+0x149/0x4b0 [ 41.539412][ T348] ? up_write+0x57/0x120 [ 41.543644][ T348] debugfs_create_file+0x4a/0x60 [ 41.548573][ T348] bdi_register_va+0x2a9/0x5f0 [ 41.553348][ T348] bdi_register+0xd1/0x120 [ 41.557775][ T348] ? bdi_register_va+0x5f0/0x5f0 [ 41.562807][ T348] ? __kasan_check_read+0x11/0x20 [ 41.567914][ T348] ? blk_alloc_devt+0xda/0x330 [ 41.572771][ T348] __device_add_disk+0x548/0x1020 [ 41.577962][ T348] device_add_disk+0x2a/0x40 [ 41.582540][ T348] loop_add+0x5bd/0x7b0 [ 41.586686][ T348] loop_control_ioctl+0x369/0x550 [ 41.591787][ T348] ? loop_remove+0xb0/0xb0 [ 41.596192][ T348] ? __fget_files+0x2c4/0x320 [ 41.600862][ T348] ? security_file_ioctl+0x84/0xa0 [ 41.605959][ T348] ? loop_remove+0xb0/0xb0 [ 41.610372][ T348] __se_sys_ioctl+0x121/0x1a0 [ 41.615037][ T348] __x64_sys_ioctl+0x7b/0x90 [ 41.619702][ T348] do_syscall_64+0x31/0x40 [ 41.624115][ T348] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 41.629998][ T348] RIP: 0033:0x7f1f61438da9 [ 41.634583][ T348] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 41.654556][ T348] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.662969][ T348] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 41.670934][ T348] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.678896][ T348] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 41.686963][ T348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.695040][ T348] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 41.704101][ T348] debugfs: out of free dentries, can not create file 'stats' [ 41.770876][ T353] FAULT_INJECTION: forcing a failure. [ 41.770876][ T353] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.784490][ T353] CPU: 1 PID: 353 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.792238][ T353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 41.802275][ T353] Call Trace: [ 41.805637][ T353] __dump_stack+0x21/0x24 [ 41.810042][ T353] dump_stack_lvl+0x169/0x1d8 [ 41.814700][ T353] ? show_regs_print_info+0x18/0x18 [ 41.819879][ T353] ? __kasan_slab_alloc+0xcf/0xf0 [ 41.824884][ T353] ? slab_post_alloc_hook+0x5d/0x2f0 [ 41.830250][ T353] ? kmem_cache_alloc+0x165/0x2e0 [ 41.835355][ T353] ? security_inode_alloc+0x33/0x110 [ 41.840626][ T353] ? new_inode_pseudo+0x91/0x210 [ 41.845546][ T353] dump_stack+0x15/0x1c [ 41.849714][ T353] should_fail+0x3c1/0x510 [ 41.854118][ T353] should_fail_alloc_page+0x4f/0x60 [ 41.859420][ T353] __alloc_pages_nodemask+0x109/0x5f0 [ 41.864792][ T353] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 41.870351][ T353] ? __kasan_check_write+0x14/0x20 [ 41.875486][ T353] ? _raw_spin_lock+0x8e/0xe0 [ 41.880153][ T353] __get_free_pages+0xe/0x30 [ 41.884763][ T353] selinux_genfs_get_sid+0x59/0x250 [ 41.889972][ T353] ? lockref_get+0xbc/0x120 [ 41.894492][ T353] inode_doinit_with_dentry+0x86d/0xd70 [ 41.900047][ T353] ? security_inode_alloc+0x33/0x110 [ 41.905417][ T353] ? sb_finish_set_opts+0x7c0/0x7c0 [ 41.910694][ T353] ? current_time+0x18c/0x2a0 [ 41.915357][ T353] selinux_d_instantiate+0x27/0x40 [ 41.920457][ T353] security_d_instantiate+0x9e/0xf0 [ 41.925724][ T353] d_instantiate+0x55/0x90 [ 41.930152][ T353] __debugfs_create_file+0x2e1/0x4b0 [ 41.935456][ T353] ? up_write+0x57/0x120 [ 41.939769][ T353] debugfs_create_file+0x4a/0x60 [ 41.944783][ T353] bdi_register_va+0x2a9/0x5f0 [ 41.949561][ T353] bdi_register+0xd1/0x120 [ 41.954066][ T353] ? bdi_register_va+0x5f0/0x5f0 [ 41.958998][ T353] ? __kasan_check_read+0x11/0x20 [ 41.964107][ T353] ? blk_alloc_devt+0xda/0x330 [ 41.968855][ T353] __device_add_disk+0x548/0x1020 [ 41.973859][ T353] device_add_disk+0x2a/0x40 [ 41.978524][ T353] loop_add+0x5bd/0x7b0 [ 41.982659][ T353] loop_control_ioctl+0x369/0x550 [ 41.987683][ T353] ? loop_remove+0xb0/0xb0 [ 41.992082][ T353] ? __fget_files+0x2c4/0x320 [ 41.996742][ T353] ? security_file_ioctl+0x84/0xa0 [ 42.001845][ T353] ? loop_remove+0xb0/0xb0 [ 42.006254][ T353] __se_sys_ioctl+0x121/0x1a0 [ 42.010918][ T353] __x64_sys_ioctl+0x7b/0x90 [ 42.015608][ T353] do_syscall_64+0x31/0x40 [ 42.020113][ T353] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.025988][ T353] RIP: 0033:0x7f1f61438da9 [ 42.030455][ T353] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.050059][ T353] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.058453][ T353] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 42.066521][ T353] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.074659][ T353] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 42.082710][ T353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.090684][ T353] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 42.151178][ T358] FAULT_INJECTION: forcing a failure. [ 42.151178][ T358] name failslab, interval 1, probability 0, space 0, times 0 [ 42.164082][ T358] CPU: 0 PID: 358 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.171735][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 42.181787][ T358] Call Trace: [ 42.185069][ T358] __dump_stack+0x21/0x24 [ 42.189386][ T358] dump_stack_lvl+0x169/0x1d8 [ 42.194153][ T358] ? show_regs_print_info+0x18/0x18 [ 42.199362][ T358] dump_stack+0x15/0x1c [ 42.203612][ T358] should_fail+0x3c1/0x510 [ 42.208102][ T358] ? security_inode_alloc+0x33/0x110 [ 42.213479][ T358] __should_failslab+0xa4/0xe0 [ 42.218230][ T358] should_failslab+0x9/0x20 [ 42.223168][ T358] kmem_cache_alloc+0x3d/0x2e0 [ 42.227960][ T358] ? slab_post_alloc_hook+0x5d/0x2f0 [ 42.233336][ T358] security_inode_alloc+0x33/0x110 [ 42.238462][ T358] inode_init_always+0x70a/0x9b0 [ 42.243395][ T358] new_inode_pseudo+0x91/0x210 [ 42.248157][ T358] new_inode+0x28/0x1e0 [ 42.252318][ T358] ? start_creating+0x1db/0x2f0 [ 42.257335][ T358] __debugfs_create_file+0x149/0x4b0 [ 42.262816][ T358] ? up_write+0x57/0x120 [ 42.267081][ T358] debugfs_create_file+0x4a/0x60 [ 42.272007][ T358] bdi_register_va+0x2a9/0x5f0 [ 42.276766][ T358] bdi_register+0xd1/0x120 [ 42.281340][ T358] ? bdi_register_va+0x5f0/0x5f0 [ 42.286281][ T358] ? __kasan_check_read+0x11/0x20 [ 42.291286][ T358] ? blk_alloc_devt+0xda/0x330 [ 42.296031][ T358] __device_add_disk+0x548/0x1020 [ 42.301044][ T358] device_add_disk+0x2a/0x40 [ 42.305700][ T358] loop_add+0x5bd/0x7b0 [ 42.310019][ T358] loop_control_ioctl+0x369/0x550 [ 42.315134][ T358] ? loop_remove+0xb0/0xb0 [ 42.319547][ T358] ? __fget_files+0x2c4/0x320 [ 42.324253][ T358] ? security_file_ioctl+0x84/0xa0 [ 42.329362][ T358] ? loop_remove+0xb0/0xb0 [ 42.333791][ T358] __se_sys_ioctl+0x121/0x1a0 [ 42.338660][ T358] __x64_sys_ioctl+0x7b/0x90 [ 42.343243][ T358] do_syscall_64+0x31/0x40 [ 42.347674][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.353657][ T358] RIP: 0033:0x7f1f61438da9 [ 42.358065][ T358] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.378097][ T358] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.386498][ T358] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 42.394460][ T358] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.402427][ T358] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 42.410496][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.418450][ T358] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 42.427291][ T358] debugfs: out of free dentries, can not create file 'stats' [ 42.465579][ T335] udevd[335]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 42.475733][ T361] FAULT_INJECTION: forcing a failure. [ 42.475733][ T361] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.489350][ T361] CPU: 0 PID: 361 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.496991][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 42.507408][ T361] Call Trace: [ 42.510684][ T361] __dump_stack+0x21/0x24 [ 42.515097][ T361] dump_stack_lvl+0x169/0x1d8 [ 42.519950][ T361] ? show_regs_print_info+0x18/0x18 [ 42.525149][ T361] ? __kasan_slab_alloc+0xcf/0xf0 [ 42.530174][ T361] ? slab_post_alloc_hook+0x5d/0x2f0 [ 42.535444][ T361] ? kmem_cache_alloc+0x165/0x2e0 [ 42.540465][ T361] ? security_inode_alloc+0x33/0x110 [ 42.545730][ T361] ? new_inode_pseudo+0x91/0x210 [ 42.550664][ T361] dump_stack+0x15/0x1c [ 42.554997][ T361] should_fail+0x3c1/0x510 [ 42.559397][ T361] should_fail_alloc_page+0x4f/0x60 [ 42.564663][ T361] __alloc_pages_nodemask+0x109/0x5f0 [ 42.570014][ T361] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 42.575602][ T361] ? __kasan_check_write+0x14/0x20 [ 42.580781][ T361] ? _raw_spin_lock+0x8e/0xe0 [ 42.585439][ T361] __get_free_pages+0xe/0x30 [ 42.590197][ T361] selinux_genfs_get_sid+0x59/0x250 [ 42.595464][ T361] ? lockref_get+0xbc/0x120 [ 42.600050][ T361] inode_doinit_with_dentry+0x86d/0xd70 [ 42.605578][ T361] ? security_inode_alloc+0x33/0x110 [ 42.610855][ T361] ? sb_finish_set_opts+0x7c0/0x7c0 [ 42.616046][ T361] ? current_time+0x18c/0x2a0 [ 42.620704][ T361] selinux_d_instantiate+0x27/0x40 [ 42.625798][ T361] security_d_instantiate+0x9e/0xf0 [ 42.631238][ T361] d_instantiate+0x55/0x90 [ 42.635635][ T361] __debugfs_create_file+0x2e1/0x4b0 [ 42.641075][ T361] ? up_write+0x57/0x120 [ 42.645299][ T361] debugfs_create_file+0x4a/0x60 [ 42.650227][ T361] bdi_register_va+0x2a9/0x5f0 [ 42.654985][ T361] bdi_register+0xd1/0x120 [ 42.659381][ T361] ? bdi_register_va+0x5f0/0x5f0 [ 42.664301][ T361] ? __kasan_check_read+0x11/0x20 [ 42.669414][ T361] ? blk_alloc_devt+0xda/0x330 [ 42.674246][ T361] __device_add_disk+0x548/0x1020 [ 42.679258][ T361] device_add_disk+0x2a/0x40 [ 42.683836][ T361] loop_add+0x5bd/0x7b0 [ 42.688078][ T361] loop_control_ioctl+0x369/0x550 [ 42.693110][ T361] ? loop_remove+0xb0/0xb0 [ 42.697507][ T361] ? __fget_files+0x2c4/0x320 [ 42.702169][ T361] ? security_file_ioctl+0x84/0xa0 [ 42.707286][ T361] ? loop_remove+0xb0/0xb0 [ 42.711719][ T361] __se_sys_ioctl+0x121/0x1a0 [ 42.716633][ T361] __x64_sys_ioctl+0x7b/0x90 [ 42.721257][ T361] do_syscall_64+0x31/0x40 [ 42.725695][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 42.732162][ T361] RIP: 0033:0x7f1f61438da9 [ 42.736875][ T361] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 42.757016][ T361] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.765622][ T361] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 42.773611][ T361] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.781581][ T361] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 42.789687][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.797658][ T361] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 42.873697][ T366] FAULT_INJECTION: forcing a failure. [ 42.873697][ T366] name failslab, interval 1, probability 0, space 0, times 0 [ 42.886917][ T366] CPU: 1 PID: 366 Comm: syz-executor.0 Not tainted syzkaller #0 [ 42.894550][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 42.904698][ T366] Call Trace: [ 42.907974][ T366] __dump_stack+0x21/0x24 [ 42.912286][ T366] dump_stack_lvl+0x169/0x1d8 [ 42.916952][ T366] ? show_regs_print_info+0x18/0x18 [ 42.922133][ T366] dump_stack+0x15/0x1c [ 42.926296][ T366] should_fail+0x3c1/0x510 [ 42.930868][ T366] ? security_inode_alloc+0x33/0x110 [ 42.936136][ T366] __should_failslab+0xa4/0xe0 [ 42.940999][ T366] should_failslab+0x9/0x20 [ 42.945498][ T366] kmem_cache_alloc+0x3d/0x2e0 [ 42.950335][ T366] ? slab_post_alloc_hook+0x5d/0x2f0 [ 42.955699][ T366] security_inode_alloc+0x33/0x110 [ 42.961065][ T366] inode_init_always+0x70a/0x9b0 [ 42.965993][ T366] new_inode_pseudo+0x91/0x210 [ 42.971006][ T366] new_inode+0x28/0x1e0 [ 42.975150][ T366] ? start_creating+0x1db/0x2f0 [ 42.979989][ T366] __debugfs_create_file+0x149/0x4b0 [ 42.985269][ T366] ? up_write+0x57/0x120 [ 42.989513][ T366] debugfs_create_file+0x4a/0x60 [ 42.994440][ T366] bdi_register_va+0x2a9/0x5f0 [ 42.999203][ T366] bdi_register+0xd1/0x120 [ 43.004058][ T366] ? bdi_register_va+0x5f0/0x5f0 [ 43.009010][ T366] ? __kasan_check_read+0x11/0x20 [ 43.014144][ T366] ? blk_alloc_devt+0xda/0x330 [ 43.018900][ T366] __device_add_disk+0x548/0x1020 [ 43.024116][ T366] device_add_disk+0x2a/0x40 [ 43.028861][ T366] loop_add+0x5bd/0x7b0 [ 43.032995][ T366] loop_control_ioctl+0x369/0x550 [ 43.037998][ T366] ? loop_remove+0xb0/0xb0 [ 43.042393][ T366] ? __fget_files+0x2c4/0x320 [ 43.047140][ T366] ? security_file_ioctl+0x84/0xa0 [ 43.052249][ T366] ? loop_remove+0xb0/0xb0 [ 43.056686][ T366] __se_sys_ioctl+0x121/0x1a0 [ 43.061444][ T366] __x64_sys_ioctl+0x7b/0x90 [ 43.066044][ T366] do_syscall_64+0x31/0x40 [ 43.070442][ T366] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.076313][ T366] RIP: 0033:0x7f1f61438da9 [ 43.080729][ T366] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.100402][ T366] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.108796][ T366] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 43.116776][ T366] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.124854][ T366] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 43.132807][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.140760][ T366] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 43.149861][ T366] debugfs: out of free dentries, can not create file 'stats' [ 43.190025][ T371] FAULT_INJECTION: forcing a failure. [ 43.190025][ T371] name failslab, interval 1, probability 0, space 0, times 0 [ 43.202846][ T371] CPU: 0 PID: 371 Comm: syz-executor.0 Not tainted syzkaller #0 [ 43.210577][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 43.220912][ T371] Call Trace: [ 43.224317][ T371] __dump_stack+0x21/0x24 [ 43.228682][ T371] dump_stack_lvl+0x169/0x1d8 [ 43.233623][ T371] ? thaw_kernel_threads+0x220/0x220 [ 43.238896][ T371] ? show_regs_print_info+0x18/0x18 [ 43.244076][ T371] ? __lookup_slow+0x2e4/0x3e0 [ 43.248829][ T371] dump_stack+0x15/0x1c [ 43.252980][ T371] should_fail+0x3c1/0x510 [ 43.257381][ T371] ? new_inode_pseudo+0x7a/0x210 [ 43.262305][ T371] __should_failslab+0xa4/0xe0 [ 43.267052][ T371] should_failslab+0x9/0x20 [ 43.271559][ T371] kmem_cache_alloc+0x3d/0x2e0 [ 43.276308][ T371] ? lookup_one_len_common+0x460/0x460 [ 43.281767][ T371] new_inode_pseudo+0x7a/0x210 [ 43.286529][ T371] new_inode+0x28/0x1e0 [ 43.290703][ T371] ? start_creating+0x1db/0x2f0 [ 43.295651][ T371] __debugfs_create_file+0x149/0x4b0 [ 43.300936][ T371] ? up_write+0x57/0x120 [ 43.305187][ T371] debugfs_create_file+0x4a/0x60 [ 43.310119][ T371] bdi_register_va+0x2a9/0x5f0 [ 43.314894][ T371] bdi_register+0xd1/0x120 [ 43.319296][ T371] ? bdi_register_va+0x5f0/0x5f0 [ 43.324215][ T371] ? __kasan_check_read+0x11/0x20 [ 43.329247][ T371] ? blk_alloc_devt+0xda/0x330 [ 43.333995][ T371] __device_add_disk+0x548/0x1020 [ 43.339092][ T371] device_add_disk+0x2a/0x40 [ 43.343664][ T371] loop_add+0x5bd/0x7b0 [ 43.348154][ T371] loop_control_ioctl+0x369/0x550 [ 43.353186][ T371] ? loop_remove+0xb0/0xb0 [ 43.357691][ T371] ? __fget_files+0x2c4/0x320 [ 43.362350][ T371] ? security_file_ioctl+0x84/0xa0 [ 43.367789][ T371] ? loop_remove+0xb0/0xb0 [ 43.372303][ T371] __se_sys_ioctl+0x121/0x1a0 [ 43.377242][ T371] __x64_sys_ioctl+0x7b/0x90 [ 43.381814][ T371] do_syscall_64+0x31/0x40 [ 43.386213][ T371] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.392088][ T371] RIP: 0033:0x7f1f61438da9 [ 43.396497][ T371] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.416198][ T371] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.424958][ T371] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 43.432932][ T371] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.440979][ T371] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 43.449035][ T371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.457153][ T371] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 43.466372][ T371] debugfs: out of free dentries, can not create file 'stats' [ 43.500709][ T376] FAULT_INJECTION: forcing a failure. [ 43.500709][ T376] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.514332][ T376] CPU: 1 PID: 376 Comm: syz-executor.0 Not tainted syzkaller #0 [ 43.521956][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 43.532104][ T376] Call Trace: [ 43.535405][ T376] __dump_stack+0x21/0x24 [ 43.539717][ T376] dump_stack_lvl+0x169/0x1d8 [ 43.544496][ T376] ? show_regs_print_info+0x18/0x18 [ 43.549870][ T376] ? __kasan_slab_alloc+0xcf/0xf0 [ 43.554891][ T376] ? slab_post_alloc_hook+0x5d/0x2f0 [ 43.560442][ T376] ? kmem_cache_alloc+0x165/0x2e0 [ 43.565475][ T376] ? security_inode_alloc+0x33/0x110 [ 43.570770][ T376] ? new_inode_pseudo+0x91/0x210 [ 43.575923][ T376] dump_stack+0x15/0x1c [ 43.580080][ T376] should_fail+0x3c1/0x510 [ 43.584742][ T376] should_fail_alloc_page+0x4f/0x60 [ 43.589925][ T376] __alloc_pages_nodemask+0x109/0x5f0 [ 43.595476][ T376] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 43.601032][ T376] ? __kasan_check_write+0x14/0x20 [ 43.606131][ T376] ? _raw_spin_lock+0x8e/0xe0 [ 43.610890][ T376] __get_free_pages+0xe/0x30 [ 43.615551][ T376] selinux_genfs_get_sid+0x59/0x250 [ 43.621021][ T376] ? lockref_get+0xbc/0x120 [ 43.625612][ T376] inode_doinit_with_dentry+0x86d/0xd70 [ 43.631326][ T376] ? security_inode_alloc+0x33/0x110 [ 43.636684][ T376] ? sb_finish_set_opts+0x7c0/0x7c0 [ 43.641953][ T376] ? current_time+0x18c/0x2a0 [ 43.646802][ T376] selinux_d_instantiate+0x27/0x40 [ 43.651994][ T376] security_d_instantiate+0x9e/0xf0 [ 43.657183][ T376] d_instantiate+0x55/0x90 [ 43.661679][ T376] __debugfs_create_file+0x2e1/0x4b0 [ 43.667157][ T376] ? up_write+0x57/0x120 [ 43.671394][ T376] debugfs_create_file+0x4a/0x60 [ 43.676323][ T376] bdi_register_va+0x2a9/0x5f0 [ 43.681097][ T376] bdi_register+0xd1/0x120 [ 43.685500][ T376] ? bdi_register_va+0x5f0/0x5f0 [ 43.690429][ T376] ? __kasan_check_read+0x11/0x20 [ 43.695530][ T376] ? blk_alloc_devt+0xda/0x330 [ 43.700396][ T376] __device_add_disk+0x548/0x1020 [ 43.705509][ T376] device_add_disk+0x2a/0x40 [ 43.710086][ T376] loop_add+0x5bd/0x7b0 [ 43.714231][ T376] loop_control_ioctl+0x369/0x550 [ 43.719244][ T376] ? loop_remove+0xb0/0xb0 [ 43.723655][ T376] ? __fget_files+0x2c4/0x320 [ 43.728328][ T376] ? security_file_ioctl+0x84/0xa0 [ 43.733607][ T376] ? loop_remove+0xb0/0xb0 [ 43.738033][ T376] __se_sys_ioctl+0x121/0x1a0 [ 43.742706][ T376] __x64_sys_ioctl+0x7b/0x90 [ 43.747298][ T376] do_syscall_64+0x31/0x40 [ 43.751705][ T376] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.757627][ T376] RIP: 0033:0x7f1f61438da9 [ 43.762036][ T376] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 43.781976][ T376] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.790587][ T376] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 43.798821][ T376] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.806788][ T376] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 43.814752][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.822724][ T376] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 43.880988][ T381] FAULT_INJECTION: forcing a failure. [ 43.880988][ T381] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.894384][ T381] CPU: 1 PID: 381 Comm: syz-executor.0 Not tainted syzkaller #0 [ 43.902232][ T381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 43.912449][ T381] Call Trace: [ 43.915732][ T381] __dump_stack+0x21/0x24 [ 43.920226][ T381] dump_stack_lvl+0x169/0x1d8 [ 43.924971][ T381] ? show_regs_print_info+0x18/0x18 [ 43.930158][ T381] ? __kasan_slab_alloc+0xcf/0xf0 [ 43.935259][ T381] ? slab_post_alloc_hook+0x5d/0x2f0 [ 43.940720][ T381] ? kmem_cache_alloc+0x165/0x2e0 [ 43.945828][ T381] ? security_inode_alloc+0x33/0x110 [ 43.951223][ T381] ? new_inode_pseudo+0x91/0x210 [ 43.956156][ T381] dump_stack+0x15/0x1c [ 43.960338][ T381] should_fail+0x3c1/0x510 [ 43.964847][ T381] should_fail_alloc_page+0x4f/0x60 [ 43.970031][ T381] __alloc_pages_nodemask+0x109/0x5f0 [ 43.975487][ T381] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 43.981020][ T381] ? __kasan_check_write+0x14/0x20 [ 43.986285][ T381] ? _raw_spin_lock+0x8e/0xe0 [ 43.990942][ T381] __get_free_pages+0xe/0x30 [ 43.995514][ T381] selinux_genfs_get_sid+0x59/0x250 [ 44.000691][ T381] ? lockref_get+0xbc/0x120 [ 44.005175][ T381] inode_doinit_with_dentry+0x86d/0xd70 [ 44.010703][ T381] ? security_inode_alloc+0x33/0x110 [ 44.015966][ T381] ? sb_finish_set_opts+0x7c0/0x7c0 [ 44.021146][ T381] ? current_time+0x18c/0x2a0 [ 44.025802][ T381] selinux_d_instantiate+0x27/0x40 [ 44.030891][ T381] security_d_instantiate+0x9e/0xf0 [ 44.036066][ T381] d_instantiate+0x55/0x90 [ 44.040460][ T381] __debugfs_create_file+0x2e1/0x4b0 [ 44.045828][ T381] ? up_write+0x57/0x120 [ 44.050055][ T381] debugfs_create_file+0x4a/0x60 [ 44.055159][ T381] bdi_register_va+0x2a9/0x5f0 [ 44.059930][ T381] bdi_register+0xd1/0x120 [ 44.064325][ T381] ? bdi_register_va+0x5f0/0x5f0 [ 44.069241][ T381] ? __kasan_check_read+0x11/0x20 [ 44.074259][ T381] ? blk_alloc_devt+0xda/0x330 [ 44.079002][ T381] __device_add_disk+0x548/0x1020 [ 44.084180][ T381] device_add_disk+0x2a/0x40 [ 44.088752][ T381] loop_add+0x5bd/0x7b0 [ 44.093067][ T381] loop_control_ioctl+0x369/0x550 [ 44.098074][ T381] ? loop_remove+0xb0/0xb0 [ 44.102562][ T381] ? __fget_files+0x2c4/0x320 [ 44.107226][ T381] ? security_file_ioctl+0x84/0xa0 [ 44.112332][ T381] ? loop_remove+0xb0/0xb0 [ 44.116737][ T381] __se_sys_ioctl+0x121/0x1a0 [ 44.121490][ T381] __x64_sys_ioctl+0x7b/0x90 [ 44.126073][ T381] do_syscall_64+0x31/0x40 [ 44.130472][ T381] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.136347][ T381] RIP: 0033:0x7f1f61438da9 [ 44.140758][ T381] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.160350][ T381] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.168855][ T381] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 44.176810][ T381] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.184865][ T381] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 44.192967][ T381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.201111][ T381] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 44.261123][ T386] FAULT_INJECTION: forcing a failure. [ 44.261123][ T386] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.274527][ T386] CPU: 0 PID: 386 Comm: syz-executor.0 Not tainted syzkaller #0 [ 44.282250][ T386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 44.292402][ T386] Call Trace: [ 44.295712][ T386] __dump_stack+0x21/0x24 [ 44.300300][ T386] dump_stack_lvl+0x169/0x1d8 [ 44.304960][ T386] ? show_regs_print_info+0x18/0x18 [ 44.310140][ T386] ? __kasan_slab_alloc+0xcf/0xf0 [ 44.315616][ T386] ? slab_post_alloc_hook+0x5d/0x2f0 [ 44.321077][ T386] ? kmem_cache_alloc+0x165/0x2e0 [ 44.326100][ T386] ? security_inode_alloc+0x33/0x110 [ 44.331724][ T386] ? new_inode_pseudo+0x91/0x210 [ 44.336890][ T386] dump_stack+0x15/0x1c [ 44.341259][ T386] should_fail+0x3c1/0x510 [ 44.345674][ T386] should_fail_alloc_page+0x4f/0x60 [ 44.350864][ T386] __alloc_pages_nodemask+0x109/0x5f0 [ 44.356240][ T386] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 44.361774][ T386] ? __kasan_check_write+0x14/0x20 [ 44.366880][ T386] ? _raw_spin_lock+0x8e/0xe0 [ 44.371557][ T386] __get_free_pages+0xe/0x30 [ 44.376141][ T386] selinux_genfs_get_sid+0x59/0x250 [ 44.381326][ T386] ? lockref_get+0xbc/0x120 [ 44.385839][ T386] inode_doinit_with_dentry+0x86d/0xd70 [ 44.391391][ T386] ? security_inode_alloc+0x33/0x110 [ 44.396655][ T386] ? sb_finish_set_opts+0x7c0/0x7c0 [ 44.401920][ T386] ? current_time+0x18c/0x2a0 [ 44.406593][ T386] selinux_d_instantiate+0x27/0x40 [ 44.412474][ T386] security_d_instantiate+0x9e/0xf0 [ 44.417679][ T386] d_instantiate+0x55/0x90 [ 44.422088][ T386] __debugfs_create_file+0x2e1/0x4b0 [ 44.427371][ T386] ? up_write+0x57/0x120 [ 44.431687][ T386] debugfs_create_file+0x4a/0x60 [ 44.436731][ T386] bdi_register_va+0x2a9/0x5f0 [ 44.441580][ T386] bdi_register+0xd1/0x120 [ 44.446084][ T386] ? bdi_register_va+0x5f0/0x5f0 [ 44.451007][ T386] ? __kasan_check_read+0x11/0x20 [ 44.456024][ T386] ? blk_alloc_devt+0xda/0x330 [ 44.460858][ T386] __device_add_disk+0x548/0x1020 [ 44.465868][ T386] device_add_disk+0x2a/0x40 [ 44.470439][ T386] loop_add+0x5bd/0x7b0 [ 44.474580][ T386] loop_control_ioctl+0x369/0x550 [ 44.479588][ T386] ? loop_remove+0xb0/0xb0 [ 44.483982][ T386] ? __fget_files+0x2c4/0x320 [ 44.488639][ T386] ? security_file_ioctl+0x84/0xa0 [ 44.493835][ T386] ? loop_remove+0xb0/0xb0 [ 44.498230][ T386] __se_sys_ioctl+0x121/0x1a0 [ 44.502902][ T386] __x64_sys_ioctl+0x7b/0x90 [ 44.507642][ T386] do_syscall_64+0x31/0x40 [ 44.512156][ T386] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.518032][ T386] RIP: 0033:0x7f1f61438da9 [ 44.522449][ T386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.542170][ T386] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.550689][ T386] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 44.559039][ T386] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.567205][ T386] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 44.575487][ T386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.583448][ T386] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 2025/09/04 10:29:39 executed programs: 22 [ 44.645218][ T335] udevd[335]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 44.660265][ T389] FAULT_INJECTION: forcing a failure. [ 44.660265][ T389] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.673565][ T389] CPU: 0 PID: 389 Comm: syz-executor.0 Not tainted syzkaller #0 [ 44.681225][ T389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 44.691354][ T389] Call Trace: [ 44.694644][ T389] __dump_stack+0x21/0x24 [ 44.698972][ T389] dump_stack_lvl+0x169/0x1d8 [ 44.703656][ T389] ? show_regs_print_info+0x18/0x18 [ 44.708965][ T389] ? __kasan_slab_alloc+0xcf/0xf0 [ 44.714072][ T389] ? slab_post_alloc_hook+0x5d/0x2f0 [ 44.719345][ T389] ? kmem_cache_alloc+0x165/0x2e0 [ 44.724352][ T389] ? security_inode_alloc+0x33/0x110 [ 44.729622][ T389] ? new_inode_pseudo+0x91/0x210 [ 44.734564][ T389] dump_stack+0x15/0x1c [ 44.738824][ T389] should_fail+0x3c1/0x510 [ 44.743307][ T389] should_fail_alloc_page+0x4f/0x60 [ 44.748570][ T389] __alloc_pages_nodemask+0x109/0x5f0 [ 44.754022][ T389] ? gfp_pfmemalloc_allowed+0x130/0x130 [ 44.759742][ T389] ? __kasan_check_write+0x14/0x20 [ 44.765101][ T389] ? _raw_spin_lock+0x8e/0xe0 [ 44.769856][ T389] __get_free_pages+0xe/0x30 [ 44.774610][ T389] selinux_genfs_get_sid+0x59/0x250 [ 44.779903][ T389] ? lockref_get+0xbc/0x120 [ 44.784403][ T389] inode_doinit_with_dentry+0x86d/0xd70 [ 44.790366][ T389] ? security_inode_alloc+0x33/0x110 [ 44.795809][ T389] ? sb_finish_set_opts+0x7c0/0x7c0 [ 44.800986][ T389] ? current_time+0x18c/0x2a0 [ 44.805728][ T389] selinux_d_instantiate+0x27/0x40 [ 44.811334][ T389] security_d_instantiate+0x9e/0xf0 [ 44.816597][ T389] d_instantiate+0x55/0x90 [ 44.821004][ T389] __debugfs_create_file+0x2e1/0x4b0 [ 44.826274][ T389] ? up_write+0x57/0x120 [ 44.830590][ T389] debugfs_create_file+0x4a/0x60 [ 44.835521][ T389] bdi_register_va+0x2a9/0x5f0 [ 44.840263][ T389] bdi_register+0xd1/0x120 [ 44.844655][ T389] ? bdi_register_va+0x5f0/0x5f0 [ 44.849603][ T389] ? __kasan_check_read+0x11/0x20 [ 44.854608][ T389] ? blk_alloc_devt+0xda/0x330 [ 44.859349][ T389] __device_add_disk+0x548/0x1020 [ 44.864460][ T389] device_add_disk+0x2a/0x40 [ 44.869124][ T389] loop_add+0x5bd/0x7b0 [ 44.873264][ T389] loop_control_ioctl+0x369/0x550 [ 44.878359][ T389] ? loop_remove+0xb0/0xb0 [ 44.882886][ T389] ? __fget_files+0x2c4/0x320 [ 44.887709][ T389] ? security_file_ioctl+0x84/0xa0 [ 44.892912][ T389] ? loop_remove+0xb0/0xb0 [ 44.897324][ T389] __se_sys_ioctl+0x121/0x1a0 [ 44.902302][ T389] __x64_sys_ioctl+0x7b/0x90 [ 44.907149][ T389] do_syscall_64+0x31/0x40 [ 44.911927][ T389] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.918024][ T389] RIP: 0033:0x7f1f61438da9 [ 44.922449][ T389] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 44.942163][ T389] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.950572][ T389] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 44.958529][ T389] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.966485][ T389] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 44.974613][ T389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.982569][ T389] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 45.087035][ T331] udevd[331]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 45.100155][ T392] FAULT_INJECTION: forcing a failure. [ 45.100155][ T392] name failslab, interval 1, probability 0, space 0, times 0 [ 45.112821][ T392] CPU: 0 PID: 392 Comm: syz-executor.0 Not tainted syzkaller #0 [ 45.120454][ T392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 45.130668][ T392] Call Trace: [ 45.133957][ T392] __dump_stack+0x21/0x24 [ 45.138298][ T392] dump_stack_lvl+0x169/0x1d8 [ 45.142964][ T392] ? show_regs_print_info+0x18/0x18 [ 45.148162][ T392] dump_stack+0x15/0x1c [ 45.152312][ T392] should_fail+0x3c1/0x510 [ 45.156836][ T392] ? security_inode_alloc+0x33/0x110 [ 45.162289][ T392] __should_failslab+0xa4/0xe0 [ 45.167054][ T392] should_failslab+0x9/0x20 [ 45.171550][ T392] kmem_cache_alloc+0x3d/0x2e0 [ 45.176315][ T392] ? slab_post_alloc_hook+0x5d/0x2f0 [ 45.181598][ T392] security_inode_alloc+0x33/0x110 [ 45.186708][ T392] inode_init_always+0x70a/0x9b0 [ 45.191741][ T392] new_inode_pseudo+0x91/0x210 [ 45.196482][ T392] new_inode+0x28/0x1e0 [ 45.200657][ T392] ? start_creating+0x1db/0x2f0 [ 45.205489][ T392] __debugfs_create_file+0x149/0x4b0 [ 45.210757][ T392] ? up_write+0x57/0x120 [ 45.215009][ T392] debugfs_create_file+0x4a/0x60 [ 45.220111][ T392] bdi_register_va+0x2a9/0x5f0 [ 45.224940][ T392] bdi_register+0xd1/0x120 [ 45.229336][ T392] ? bdi_register_va+0x5f0/0x5f0 [ 45.234271][ T392] ? __kasan_check_read+0x11/0x20 [ 45.239280][ T392] ? blk_alloc_devt+0xda/0x330 [ 45.244058][ T392] __device_add_disk+0x548/0x1020 [ 45.249336][ T392] device_add_disk+0x2a/0x40 [ 45.254171][ T392] loop_add+0x5bd/0x7b0 [ 45.258334][ T392] loop_control_ioctl+0x369/0x550 [ 45.263350][ T392] ? loop_remove+0xb0/0xb0 [ 45.267762][ T392] ? __fget_files+0x2c4/0x320 [ 45.272620][ T392] ? security_file_ioctl+0x84/0xa0 [ 45.277820][ T392] ? loop_remove+0xb0/0xb0 [ 45.282217][ T392] __se_sys_ioctl+0x121/0x1a0 [ 45.286877][ T392] __x64_sys_ioctl+0x7b/0x90 [ 45.291448][ T392] do_syscall_64+0x31/0x40 [ 45.295930][ T392] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.302216][ T392] RIP: 0033:0x7f1f61438da9 [ 45.306622][ T392] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 45.326213][ T392] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.334622][ T392] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 45.342952][ T392] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.350905][ T392] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 45.358873][ T392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.366827][ T392] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 45.375667][ T392] debugfs: out of free dentries, can not create file 'stats' [ 45.425186][ T331] udevd[331]: inotify_add_watch(7, /dev/loop11, 10) failed: No such file or directory [ 45.438500][ T395] FAULT_INJECTION: forcing a failure. [ 45.438500][ T395] name failslab, interval 1, probability 0, space 0, times 0 [ 45.451248][ T395] CPU: 0 PID: 395 Comm: syz-executor.0 Not tainted syzkaller #0 [ 45.458961][ T395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 45.469229][ T395] Call Trace: [ 45.472518][ T395] __dump_stack+0x21/0x24 [ 45.476836][ T395] dump_stack_lvl+0x169/0x1d8 [ 45.481523][ T395] ? thaw_kernel_threads+0x220/0x220 [ 45.486944][ T395] ? show_regs_print_info+0x18/0x18 [ 45.492143][ T395] ? _raw_spin_lock_bh+0x8e/0xe0 [ 45.497069][ T395] ? _raw_spin_lock_irq+0xe0/0xe0 [ 45.502173][ T395] dump_stack+0x15/0x1c [ 45.506423][ T395] should_fail+0x3c1/0x510 [ 45.510842][ T395] ? kobj_map+0x6e/0x640 [ 45.515151][ T395] __should_failslab+0xa4/0xe0 [ 45.519912][ T395] should_failslab+0x9/0x20 [ 45.524394][ T395] __kmalloc+0x60/0x330 [ 45.528528][ T395] kobj_map+0x6e/0x640 [ 45.532578][ T395] ? __kasan_check_write+0x14/0x20 [ 45.537673][ T395] ? kobject_get+0xd3/0x120 [ 45.542255][ T395] ? exact_match+0x20/0x20 [ 45.546758][ T395] ? bdev_check_media_change+0x350/0x350 [ 45.552553][ T395] __device_add_disk+0x5e0/0x1020 [ 45.557666][ T395] device_add_disk+0x2a/0x40 [ 45.562678][ T395] loop_add+0x5bd/0x7b0 [ 45.566817][ T395] loop_control_ioctl+0x369/0x550 [ 45.572028][ T395] ? loop_remove+0xb0/0xb0 [ 45.576516][ T395] ? __fget_files+0x2c4/0x320 [ 45.581193][ T395] ? security_file_ioctl+0x84/0xa0 [ 45.586388][ T395] ? loop_remove+0xb0/0xb0 [ 45.590817][ T395] __se_sys_ioctl+0x121/0x1a0 [ 45.595496][ T395] __x64_sys_ioctl+0x7b/0x90 [ 45.600073][ T395] do_syscall_64+0x31/0x40 [ 45.604583][ T395] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.610457][ T395] RIP: 0033:0x7f1f61438da9 [ 45.615081][ T395] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 45.634854][ T395] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.643426][ T395] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 45.651419][ T395] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.659480][ T395] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 45.667448][ T395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.675623][ T395] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 45.791369][ T400] FAULT_INJECTION: forcing a failure. [ 45.791369][ T400] name failslab, interval 1, probability 0, space 0, times 0 [ 45.804386][ T400] CPU: 0 PID: 400 Comm: syz-executor.0 Not tainted syzkaller #0 [ 45.812474][ T400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 45.822541][ T400] Call Trace: [ 45.825821][ T400] __dump_stack+0x21/0x24 [ 45.830161][ T400] dump_stack_lvl+0x169/0x1d8 [ 45.834827][ T400] ? thaw_kernel_threads+0x220/0x220 [ 45.840107][ T400] ? show_regs_print_info+0x18/0x18 [ 45.845305][ T400] ? _raw_spin_lock_bh+0x8e/0xe0 [ 45.850233][ T400] ? _raw_spin_lock_irq+0xe0/0xe0 [ 45.855252][ T400] dump_stack+0x15/0x1c [ 45.859389][ T400] should_fail+0x3c1/0x510 [ 45.863802][ T400] ? kobj_map+0x6e/0x640 [ 45.868117][ T400] __should_failslab+0xa4/0xe0 [ 45.872891][ T400] should_failslab+0x9/0x20 [ 45.877386][ T400] __kmalloc+0x60/0x330 [ 45.881541][ T400] kobj_map+0x6e/0x640 [ 45.885600][ T400] ? __kasan_check_write+0x14/0x20 [ 45.890693][ T400] ? kobject_get+0xd3/0x120 [ 45.895197][ T400] ? exact_match+0x20/0x20 [ 45.899596][ T400] ? bdev_check_media_change+0x350/0x350 [ 45.905413][ T400] __device_add_disk+0x5e0/0x1020 [ 45.910426][ T400] device_add_disk+0x2a/0x40 [ 45.915086][ T400] loop_add+0x5bd/0x7b0 [ 45.919237][ T400] loop_control_ioctl+0x369/0x550 [ 45.924328][ T400] ? loop_remove+0xb0/0xb0 [ 45.928742][ T400] ? __fget_files+0x2c4/0x320 [ 45.933413][ T400] ? security_file_ioctl+0x84/0xa0 [ 45.938509][ T400] ? loop_remove+0xb0/0xb0 [ 45.942915][ T400] __se_sys_ioctl+0x121/0x1a0 [ 45.947575][ T400] __x64_sys_ioctl+0x7b/0x90 [ 45.952235][ T400] do_syscall_64+0x31/0x40 [ 45.956685][ T400] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.962706][ T400] RIP: 0033:0x7f1f61438da9 [ 45.967133][ T400] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 45.986907][ T400] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.995320][ T400] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 46.003398][ T400] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.011645][ T400] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 46.019883][ T400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.027949][ T400] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 46.070845][ T403] FAULT_INJECTION: forcing a failure. [ 46.070845][ T403] name failslab, interval 1, probability 0, space 0, times 0 [ 46.083840][ T403] CPU: 1 PID: 403 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.091467][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 46.101567][ T403] Call Trace: [ 46.104844][ T403] __dump_stack+0x21/0x24 [ 46.109157][ T403] dump_stack_lvl+0x169/0x1d8 [ 46.113832][ T403] ? thaw_kernel_threads+0x220/0x220 [ 46.119131][ T403] ? show_regs_print_info+0x18/0x18 [ 46.124404][ T403] ? _raw_spin_lock_bh+0x8e/0xe0 [ 46.129334][ T403] ? _raw_spin_lock_irq+0xe0/0xe0 [ 46.134337][ T403] dump_stack+0x15/0x1c [ 46.138531][ T403] should_fail+0x3c1/0x510 [ 46.142938][ T403] ? kobj_map+0x6e/0x640 [ 46.147167][ T403] __should_failslab+0xa4/0xe0 [ 46.151917][ T403] should_failslab+0x9/0x20 [ 46.156404][ T403] __kmalloc+0x60/0x330 [ 46.160571][ T403] kobj_map+0x6e/0x640 [ 46.164621][ T403] ? __kasan_check_write+0x14/0x20 [ 46.169710][ T403] ? kobject_get+0xd3/0x120 [ 46.174218][ T403] ? exact_match+0x20/0x20 [ 46.178741][ T403] ? bdev_check_media_change+0x350/0x350 [ 46.184448][ T403] __device_add_disk+0x5e0/0x1020 [ 46.189454][ T403] device_add_disk+0x2a/0x40 [ 46.194127][ T403] loop_add+0x5bd/0x7b0 [ 46.198267][ T403] loop_control_ioctl+0x369/0x550 [ 46.203276][ T403] ? loop_remove+0xb0/0xb0 [ 46.207674][ T403] ? __fget_files+0x2c4/0x320 [ 46.212335][ T403] ? security_file_ioctl+0x84/0xa0 [ 46.217559][ T403] ? loop_remove+0xb0/0xb0 [ 46.221970][ T403] __se_sys_ioctl+0x121/0x1a0 [ 46.226625][ T403] __x64_sys_ioctl+0x7b/0x90 [ 46.231203][ T403] do_syscall_64+0x31/0x40 [ 46.235610][ T403] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.241479][ T403] RIP: 0033:0x7f1f61438da9 [ 46.245873][ T403] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 46.265727][ T403] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.274259][ T403] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 46.282345][ T403] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.290617][ T403] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 46.298573][ T403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.306524][ T403] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 46.462260][ T408] FAULT_INJECTION: forcing a failure. [ 46.462260][ T408] name failslab, interval 1, probability 0, space 0, times 0 [ 46.475311][ T408] CPU: 0 PID: 408 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.482927][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 46.492965][ T408] Call Trace: [ 46.496254][ T408] __dump_stack+0x21/0x24 [ 46.500577][ T408] dump_stack_lvl+0x169/0x1d8 [ 46.505236][ T408] ? thaw_kernel_threads+0x220/0x220 [ 46.510542][ T408] ? show_regs_print_info+0x18/0x18 [ 46.515732][ T408] ? _raw_spin_lock_bh+0x8e/0xe0 [ 46.520746][ T408] ? _raw_spin_lock_irq+0xe0/0xe0 [ 46.525794][ T408] dump_stack+0x15/0x1c [ 46.530021][ T408] should_fail+0x3c1/0x510 [ 46.534467][ T408] ? kobj_map+0x6e/0x640 [ 46.538694][ T408] __should_failslab+0xa4/0xe0 [ 46.543440][ T408] should_failslab+0x9/0x20 [ 46.547926][ T408] __kmalloc+0x60/0x330 [ 46.552065][ T408] kobj_map+0x6e/0x640 [ 46.556209][ T408] ? __kasan_check_write+0x14/0x20 [ 46.561303][ T408] ? kobject_get+0xd3/0x120 [ 46.565784][ T408] ? exact_match+0x20/0x20 [ 46.570190][ T408] ? bdev_check_media_change+0x350/0x350 [ 46.575859][ T408] __device_add_disk+0x5e0/0x1020 [ 46.580997][ T408] device_add_disk+0x2a/0x40 [ 46.585715][ T408] loop_add+0x5bd/0x7b0 [ 46.589952][ T408] loop_control_ioctl+0x369/0x550 [ 46.594993][ T408] ? loop_remove+0xb0/0xb0 [ 46.599581][ T408] ? __fget_files+0x2c4/0x320 [ 46.604262][ T408] ? security_file_ioctl+0x84/0xa0 [ 46.609713][ T408] ? loop_remove+0xb0/0xb0 [ 46.614202][ T408] __se_sys_ioctl+0x121/0x1a0 [ 46.618959][ T408] __x64_sys_ioctl+0x7b/0x90 [ 46.623531][ T408] do_syscall_64+0x31/0x40 [ 46.628021][ T408] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.633926][ T408] RIP: 0033:0x7f1f61438da9 [ 46.638324][ T408] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 46.657924][ T408] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.666320][ T408] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 46.674274][ T408] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.682236][ T408] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 46.690214][ T408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.698186][ T408] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 46.770715][ T413] FAULT_INJECTION: forcing a failure. [ 46.770715][ T413] name failslab, interval 1, probability 0, space 0, times 0 [ 46.783413][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Not tainted syzkaller #0 [ 46.791030][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 46.801166][ T413] Call Trace: [ 46.804450][ T413] __dump_stack+0x21/0x24 [ 46.808798][ T413] dump_stack_lvl+0x169/0x1d8 [ 46.813460][ T413] ? show_regs_print_info+0x18/0x18 [ 46.818645][ T413] ? __kmalloc+0x1a7/0x330 [ 46.823047][ T413] ? __device_add_disk+0x5e0/0x1020 [ 46.828314][ T413] ? device_add_disk+0x2a/0x40 [ 46.833067][ T413] ? loop_add+0x5bd/0x7b0 [ 46.837382][ T413] ? __se_sys_ioctl+0x121/0x1a0 [ 46.842224][ T413] dump_stack+0x15/0x1c [ 46.846369][ T413] should_fail+0x3c1/0x510 [ 46.850771][ T413] ? kvasprintf_const+0xd7/0x240 [ 46.855704][ T413] __should_failslab+0xa4/0xe0 [ 46.860458][ T413] should_failslab+0x9/0x20 [ 46.865037][ T413] __kmalloc_track_caller+0x5f/0x320 [ 46.870310][ T413] kstrdup_const+0x55/0x90 [ 46.874721][ T413] kvasprintf_const+0xd7/0x240 [ 46.879475][ T413] kobject_set_name_vargs+0x61/0x110 [ 46.884859][ T413] dev_set_name+0xd1/0x120 [ 46.889261][ T413] ? __kmalloc+0x1a7/0x330 [ 46.893773][ T413] ? get_device+0x30/0x30 [ 46.898109][ T413] ? mutex_unlock+0x1c/0x40 [ 46.902599][ T413] ? kobj_map+0x602/0x640 [ 46.907004][ T413] __device_add_disk+0x64d/0x1020 [ 46.912019][ T413] device_add_disk+0x2a/0x40 [ 46.916616][ T413] loop_add+0x5bd/0x7b0 [ 46.920766][ T413] loop_control_ioctl+0x369/0x550 [ 46.925776][ T413] ? loop_remove+0xb0/0xb0 [ 46.930179][ T413] ? __fget_files+0x2c4/0x320 [ 46.934848][ T413] ? security_file_ioctl+0x84/0xa0 [ 46.939947][ T413] ? loop_remove+0xb0/0xb0 [ 46.944347][ T413] __se_sys_ioctl+0x121/0x1a0 [ 46.949012][ T413] __x64_sys_ioctl+0x7b/0x90 [ 46.953587][ T413] do_syscall_64+0x31/0x40 [ 46.958023][ T413] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 46.963898][ T413] RIP: 0033:0x7f1f61438da9 [ 46.968301][ T413] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 46.988070][ T413] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.996561][ T413] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 47.004613][ T413] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.012573][ T413] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 47.020628][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.028589][ T413] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 47.036867][ T413] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 47.044929][ T413] ------------[ cut here ]------------ [ 47.050389][ T413] WARNING: CPU: 1 PID: 413 at fs/sysfs/file.c:328 sysfs_create_files+0x1f4/0x310 [ 47.059675][ T413] Modules linked in: [ 47.063594][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.071221][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 47.081749][ T413] RIP: 0010:sysfs_create_files+0x1f4/0x310 [ 47.087960][ T413] Code: ff ff 48 89 fb 48 89 c7 e8 49 eb d7 ff 48 89 df e9 58 ff ff ff e8 3c fe 9d ff 4c 89 f0 45 31 f6 e9 d4 00 00 00 e8 2c fe 9d ff <0f> 0b 41 be ea ff ff ff eb 15 85 c0 4c 89 e3 0f 84 b0 00 00 00 e8 [ 47.107780][ T413] RSP: 0018:ffffc900010c7ba0 EFLAGS: 00010293 [ 47.114259][ T413] RAX: ffffffff81c5a54e RBX: dffffc0000000000 RCX: ffff888110f14f00 [ 47.122346][ T413] RDX: 0000000000000000 RSI: ffffffff8654e020 RDI: ffff8881110fc068 [ 47.130350][ T413] RBP: ffffc900010c7c78 R08: dffffc0000000000 R09: ffffed10215f4af4 [ 47.138609][ T413] R10: ffffed10215f4af4 R11: 1ffff110215f4af3 R12: ffffffff8654e020 [ 47.146608][ T413] R13: ffff8881110fc068 R14: ffff8881110fc098 R15: ffffffff851f7e00 [ 47.154825][ T413] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.163806][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.170408][ T413] CR2: 00007f1f60f99d58 CR3: 000000011076b000 CR4: 00000000003506b0 [ 47.178405][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.186508][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.194522][ T413] Call Trace: [ 47.197837][ T413] ? sysfs_create_file_ns+0x1a0/0x1a0 [ 47.203281][ T413] ? __kasan_check_write+0x14/0x20 [ 47.208418][ T413] ? kobject_get+0xd3/0x120 [ 47.212928][ T413] __device_add_disk+0xb9f/0x1020 [ 47.217974][ T413] device_add_disk+0x2a/0x40 [ 47.222573][ T413] loop_add+0x5bd/0x7b0 [ 47.226747][ T413] loop_control_ioctl+0x369/0x550 [ 47.231773][ T413] ? loop_remove+0xb0/0xb0 [ 47.236200][ T413] ? __fget_files+0x2c4/0x320 [ 47.240881][ T413] ? security_file_ioctl+0x84/0xa0 [ 47.246013][ T413] ? loop_remove+0xb0/0xb0 [ 47.250465][ T413] __se_sys_ioctl+0x121/0x1a0 [ 47.255356][ T413] __x64_sys_ioctl+0x7b/0x90 [ 47.259988][ T413] do_syscall_64+0x31/0x40 [ 47.264659][ T413] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.270581][ T413] RIP: 0033:0x7f1f61438da9 [ 47.275029][ T413] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 47.294776][ T413] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.303199][ T413] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 47.311291][ T413] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.319386][ T413] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 47.327399][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.335555][ T413] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 47.343702][ T413] ---[ end trace 7d3d3c949207a9a0 ]--- [ 47.349197][ T413] ------------[ cut here ]------------ [ 47.354689][ T413] kernfs: can not remove 'events', no directory [ 47.361089][ T413] WARNING: CPU: 0 PID: 413 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x103/0x160 [ 47.370912][ T413] Modules linked in: [ 47.374860][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.383998][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 47.394077][ T413] RIP: 0010:kernfs_remove_by_name_ns+0x103/0x160 [ 47.400482][ T413] Code: 06 4c 89 f7 e8 4e ef ff ff 4c 89 f7 e8 b6 af ff ff 45 31 f6 eb 29 e8 8c 5c 9e ff 48 c7 c7 40 d7 0a 85 4c 89 f6 e8 cd e2 a9 02 <0f> 0b 41 be fe ff ff ff eb 13 e8 6e 5c 9e ff 41 be fe ff ff ff 48 [ 47.420107][ T413] RSP: 0018:ffffc900010c7b68 EFLAGS: 00010246 [ 47.426184][ T413] RAX: 961e54ef98148b00 RBX: 0000000000000000 RCX: ffff888110f14f00 [ 47.434165][ T413] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.442263][ T413] RBP: ffffc900010c7b90 R08: dffffc0000000000 R09: ffffed103ee0a5f8 [ 47.450502][ T413] R10: ffffed103ee0a5f8 R11: 1ffff1103ee0a5f7 R12: 0000000000000000 [ 47.458596][ T413] R13: dffffc0000000000 R14: ffffffff851f7de0 R15: 0000000000000000 [ 47.466634][ T413] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.475789][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.482443][ T413] CR2: 00007f1f60f99d58 CR3: 000000011076b000 CR4: 00000000003506b0 [ 47.490440][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.498425][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.506422][ T413] Call Trace: [ 47.509723][ T413] sysfs_create_files+0x293/0x310 [ 47.514810][ T413] ? sysfs_create_file_ns+0x1a0/0x1a0 [ 47.520429][ T413] ? __kasan_check_write+0x14/0x20 [ 47.525576][ T413] ? kobject_get+0xd3/0x120 [ 47.530111][ T413] __device_add_disk+0xb9f/0x1020 [ 47.535448][ T413] device_add_disk+0x2a/0x40 [ 47.540038][ T413] loop_add+0x5bd/0x7b0 [ 47.544300][ T413] loop_control_ioctl+0x369/0x550 [ 47.549322][ T413] ? loop_remove+0xb0/0xb0 [ 47.553850][ T413] ? __fget_files+0x2c4/0x320 [ 47.558583][ T413] ? security_file_ioctl+0x84/0xa0 [ 47.563809][ T413] ? loop_remove+0xb0/0xb0 [ 47.568325][ T413] __se_sys_ioctl+0x121/0x1a0 [ 47.573003][ T413] __x64_sys_ioctl+0x7b/0x90 [ 47.577612][ T413] do_syscall_64+0x31/0x40 [ 47.582148][ T413] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.588053][ T413] RIP: 0033:0x7f1f61438da9 [ 47.592474][ T413] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 47.612121][ T413] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.620549][ T413] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 47.628543][ T413] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.636743][ T413] RBP: 00007f1f60fba120 R08: 0000000000000000 R09: 0000000000000000 [ 47.644758][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.652846][ T413] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 47.661029][ T413] ---[ end trace 7d3d3c949207a9a1 ]--- [ 47.666512][ T413] loop11: failed to create sysfs files for events [ 47.679070][ T416] ------------[ cut here ]------------ [ 47.684662][ T416] kernfs: can not remove 'events', no directory [ 47.691095][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x103/0x160 [ 47.701219][ T416] Modules linked in: [ 47.705399][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.714503][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 47.724704][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x103/0x160 [ 47.731114][ T416] Code: 06 4c 89 f7 e8 4e ef ff ff 4c 89 f7 e8 b6 af ff ff 45 31 f6 eb 29 e8 8c 5c 9e ff 48 c7 c7 40 d7 0a 85 4c 89 f6 e8 cd e2 a9 02 <0f> 0b 41 be fe ff ff ff eb 13 e8 6e 5c 9e ff 41 be fe ff ff ff 48 [ 47.750978][ T416] RSP: 0018:ffffc900010e7ca8 EFLAGS: 00010246 [ 47.757298][ T416] RAX: eeb8154eb1560700 RBX: 0000000000000001 RCX: ffff8881114462c0 [ 47.765336][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.773354][ T416] RBP: ffffc900010e7cd0 R08: dffffc0000000000 R09: ffffed103ee24e8b [ 47.781377][ T416] R10: ffffed103ee24e8b R11: 1ffff1103ee24e8a R12: 0000000000000000 [ 47.789371][ T416] R13: ffffffff8654e020 R14: ffffffff851f7de0 R15: 0000000000000000 [ 47.797365][ T416] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 47.806317][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.813073][ T416] CR2: 00007f1f60f99d58 CR3: 000000010ed55000 CR4: 00000000003506b0 [ 47.821076][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.829074][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.837149][ T416] Call Trace: [ 47.840616][ T416] sysfs_remove_files+0xa4/0x100 [ 47.845596][ T416] del_gendisk+0x23f/0x9e0 [ 47.850029][ T416] ? radix_tree_delete_item+0x25c/0x360 [ 47.855655][ T416] loop_remove+0x46/0xb0 [ 47.859919][ T416] loop_control_ioctl+0x487/0x550 [ 47.864988][ T416] ? loop_remove+0xb0/0xb0 [ 47.869438][ T416] ? __fget_files+0x2c4/0x320 [ 47.874325][ T416] ? security_file_ioctl+0x84/0xa0 [ 47.879635][ T416] ? loop_remove+0xb0/0xb0 [ 47.884089][ T416] __se_sys_ioctl+0x121/0x1a0 [ 47.888786][ T416] __x64_sys_ioctl+0x7b/0x90 [ 47.893363][ T416] do_syscall_64+0x31/0x40 [ 47.897818][ T416] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 47.903886][ T416] RIP: 0033:0x7f1f61438da9 [ 47.908299][ T416] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 47.928113][ T416] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.936731][ T416] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 47.944774][ T416] RDX: 000000000000000b RSI: 0000000000004c81 RDI: 0000000000000003 [ 47.952867][ T416] RBP: 00007f1f6148547a R08: 0000000000000000 R09: 0000000000000000 [ 47.960870][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.968906][ T416] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 47.976921][ T416] ---[ end trace 7d3d3c949207a9a2 ]--- [ 47.982379][ T416] ------------[ cut here ]------------ [ 47.987852][ T416] kernfs: can not remove 'events_async', no directory [ 47.994729][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x103/0x160 [ 48.004557][ T416] Modules linked in: [ 48.008490][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.017614][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 48.027733][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x103/0x160 [ 48.034089][ T416] Code: 06 4c 89 f7 e8 4e ef ff ff 4c 89 f7 e8 b6 af ff ff 45 31 f6 eb 29 e8 8c 5c 9e ff 48 c7 c7 40 d7 0a 85 4c 89 f6 e8 cd e2 a9 02 <0f> 0b 41 be fe ff ff ff eb 13 e8 6e 5c 9e ff 41 be fe ff ff ff 48 [ 48.053739][ T416] RSP: 0018:ffffc900010e7ca8 EFLAGS: 00010246 [ 48.059892][ T416] RAX: eeb8154eb1560700 RBX: 0000000000000002 RCX: ffff8881114462c0 [ 48.068164][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.076174][ T416] RBP: ffffc900010e7cd0 R08: dffffc0000000000 R09: ffffed103ee0a5f8 [ 48.084274][ T416] R10: ffffed103ee0a5f8 R11: 1ffff1103ee0a5f7 R12: 0000000000000000 [ 48.092424][ T416] R13: ffffffff8654e020 R14: ffffffff851f7ec0 R15: 0000000000000000 [ 48.100441][ T416] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.109543][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.116261][ T416] CR2: 00007f1f60f99d58 CR3: 000000010ed55000 CR4: 00000000003506b0 [ 48.124281][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.132257][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.140251][ T416] Call Trace: [ 48.143672][ T416] sysfs_remove_files+0xa4/0x100 [ 48.148604][ T416] del_gendisk+0x23f/0x9e0 [ 48.153009][ T416] ? radix_tree_delete_item+0x25c/0x360 [ 48.158798][ T416] loop_remove+0x46/0xb0 [ 48.163070][ T416] loop_control_ioctl+0x487/0x550 [ 48.168236][ T416] ? loop_remove+0xb0/0xb0 [ 48.172748][ T416] ? __fget_files+0x2c4/0x320 [ 48.177453][ T416] ? security_file_ioctl+0x84/0xa0 [ 48.182713][ T416] ? loop_remove+0xb0/0xb0 [ 48.187161][ T416] __se_sys_ioctl+0x121/0x1a0 [ 48.191838][ T416] __x64_sys_ioctl+0x7b/0x90 [ 48.196453][ T416] do_syscall_64+0x31/0x40 [ 48.200962][ T416] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.206959][ T416] RIP: 0033:0x7f1f61438da9 [ 48.211396][ T416] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 48.231115][ T416] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.239682][ T416] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 48.247852][ T416] RDX: 000000000000000b RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.255845][ T416] RBP: 00007f1f6148547a R08: 0000000000000000 R09: 0000000000000000 [ 48.263834][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.272325][ T416] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 48.280603][ T416] ---[ end trace 7d3d3c949207a9a3 ]--- [ 48.286075][ T416] ------------[ cut here ]------------ [ 48.291525][ T416] kernfs: can not remove 'events_poll_msecs', no directory [ 48.298819][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x103/0x160 [ 48.308644][ T416] Modules linked in: [ 48.312547][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.321576][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 48.331661][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x103/0x160 [ 48.338175][ T416] Code: 06 4c 89 f7 e8 4e ef ff ff 4c 89 f7 e8 b6 af ff ff 45 31 f6 eb 29 e8 8c 5c 9e ff 48 c7 c7 40 d7 0a 85 4c 89 f6 e8 cd e2 a9 02 <0f> 0b 41 be fe ff ff ff eb 13 e8 6e 5c 9e ff 41 be fe ff ff ff 48 [ 48.358193][ T416] RSP: 0018:ffffc900010e7ca8 EFLAGS: 00010246 [ 48.364646][ T416] RAX: eeb8154eb1560700 RBX: 0000000000000003 RCX: ffff8881114462c0 [ 48.372899][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.380906][ T416] RBP: ffffc900010e7cd0 R08: dffffc0000000000 R09: fffff5200021cec5 [ 48.389041][ T416] R10: fffff5200021cec5 R11: 1ffff9200021cec4 R12: 0000000000000000 [ 48.397176][ T416] R13: ffffffff8654e020 R14: ffffffff851f7f20 R15: 0000000000000000 [ 48.405188][ T416] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.414265][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.421021][ T416] CR2: 00007f1f60f99d58 CR3: 000000010ed55000 CR4: 00000000003506b0 [ 48.429069][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.437074][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.445063][ T416] Call Trace: [ 48.448616][ T416] sysfs_remove_files+0xa4/0x100 [ 48.453549][ T416] del_gendisk+0x23f/0x9e0 [ 48.458037][ T416] ? radix_tree_delete_item+0x25c/0x360 [ 48.463660][ T416] loop_remove+0x46/0xb0 [ 48.467916][ T416] loop_control_ioctl+0x487/0x550 [ 48.472939][ T416] ? loop_remove+0xb0/0xb0 [ 48.477418][ T416] ? __fget_files+0x2c4/0x320 [ 48.482190][ T416] ? security_file_ioctl+0x84/0xa0 [ 48.487380][ T416] ? loop_remove+0xb0/0xb0 [ 48.491871][ T416] __se_sys_ioctl+0x121/0x1a0 [ 48.496635][ T416] __x64_sys_ioctl+0x7b/0x90 [ 48.501232][ T416] do_syscall_64+0x31/0x40 [ 48.505770][ T416] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.511684][ T416] RIP: 0033:0x7f1f61438da9 [ 48.516299][ T416] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 48.535929][ T416] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.544518][ T416] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 48.552624][ T416] RDX: 000000000000000b RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.560689][ T416] RBP: 00007f1f6148547a R08: 0000000000000000 R09: 0000000000000000 [ 48.568826][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.576839][ T416] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 48.584828][ T416] ---[ end trace 7d3d3c949207a9a4 ]--- [ 48.590442][ T416] ------------[ cut here ]------------ [ 48.595962][ T416] kernfs: can not remove 'bdi', no directory [ 48.602212][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1588 kernfs_remove_by_name_ns+0x103/0x160 [ 48.612030][ T416] Modules linked in: [ 48.615963][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.625273][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 48.635643][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x103/0x160 [ 48.642152][ T416] Code: 06 4c 89 f7 e8 4e ef ff ff 4c 89 f7 e8 b6 af ff ff 45 31 f6 eb 29 e8 8c 5c 9e ff 48 c7 c7 40 d7 0a 85 4c 89 f6 e8 cd e2 a9 02 <0f> 0b 41 be fe ff ff ff eb 13 e8 6e 5c 9e ff 41 be fe ff ff ff 48 [ 48.662216][ T416] RSP: 0018:ffffc900010e7cc8 EFLAGS: 00010246 [ 48.668358][ T416] RAX: eeb8154eb1560700 RBX: ffffffff851f7800 RCX: ffff8881114462c0 [ 48.676450][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.684441][ T416] RBP: ffffc900010e7cf0 R08: dffffc0000000000 R09: ffffed103ee0a5f8 [ 48.692407][ T416] R10: ffffed103ee0a5f8 R11: 1ffff1103ee0a5f7 R12: 0000000000000000 [ 48.700604][ T416] R13: 1ffff1102221f88f R14: ffffffff851f7800 R15: 0000000000000000 [ 48.708887][ T416] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.718041][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.724768][ T416] CR2: 00007f1f60f99d58 CR3: 000000010ed55000 CR4: 00000000003506b0 [ 48.732819][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.740926][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.748954][ T416] Call Trace: [ 48.752232][ T416] sysfs_remove_link+0x50/0x60 [ 48.757013][ T416] del_gendisk+0x3ea/0x9e0 [ 48.761434][ T416] loop_remove+0x46/0xb0 [ 48.765711][ T416] loop_control_ioctl+0x487/0x550 [ 48.770751][ T416] ? loop_remove+0xb0/0xb0 [ 48.775364][ T416] ? __fget_files+0x2c4/0x320 [ 48.780056][ T416] ? security_file_ioctl+0x84/0xa0 [ 48.785395][ T416] ? loop_remove+0xb0/0xb0 [ 48.789915][ T416] __se_sys_ioctl+0x121/0x1a0 [ 48.794648][ T416] __x64_sys_ioctl+0x7b/0x90 [ 48.799427][ T416] do_syscall_64+0x31/0x40 [ 48.803973][ T416] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.809868][ T416] RIP: 0033:0x7f1f61438da9 [ 48.814307][ T416] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 48.834033][ T416] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.842435][ T416] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 48.850444][ T416] RDX: 000000000000000b RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.858466][ T416] RBP: 00007f1f6148547a R08: 0000000000000000 R09: 0000000000000000 [ 48.866652][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.874808][ T416] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 48.882864][ T416] ---[ end trace 7d3d3c949207a9a5 ]--- [ 48.888716][ T416] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 48.900430][ T416] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 48.909109][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.918155][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 [ 48.928399][ T416] RIP: 0010:strlen+0x29/0x70 [ 48.932974][ T416] Code: 00 55 48 89 e5 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 [ 48.952583][ T416] RSP: 0018:ffffc900010e7c40 EFLAGS: 00010246 [ 48.958727][ T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 48.966778][ T416] RDX: ffff8881114462c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 48.974743][ T416] RBP: ffffc900010e7c60 R08: dffffc0000000000 R09: ffffed102000b20f [ 48.982736][ T416] R10: ffffed102000b20f R11: 1ffff1102000b20e R12: ffff8881069a4000 [ 48.990778][ T416] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffffffffffff [ 48.998738][ T416] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 49.007792][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.014458][ T416] CR2: 00007f1f60f99d58 CR3: 000000010ed55000 CR4: 00000000003506b0 [ 49.022443][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.030503][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.038466][ T416] Call Trace: [ 49.041843][ T416] kernfs_find_ns+0x95/0x4b0 [ 49.046421][ T416] kernfs_remove_by_name_ns+0x89/0x160 [ 49.051885][ T416] sysfs_remove_link+0x50/0x60 [ 49.056635][ T416] del_gendisk+0x822/0x9e0 [ 49.061050][ T416] loop_remove+0x46/0xb0 [ 49.065277][ T416] loop_control_ioctl+0x487/0x550 [ 49.070299][ T416] ? loop_remove+0xb0/0xb0 [ 49.074718][ T416] ? __fget_files+0x2c4/0x320 [ 49.079568][ T416] ? security_file_ioctl+0x84/0xa0 [ 49.084751][ T416] ? loop_remove+0xb0/0xb0 [ 49.089279][ T416] __se_sys_ioctl+0x121/0x1a0 [ 49.093938][ T416] __x64_sys_ioctl+0x7b/0x90 [ 49.098558][ T416] do_syscall_64+0x31/0x40 [ 49.102963][ T416] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 49.109118][ T416] RIP: 0033:0x7f1f61438da9 [ 49.113519][ T416] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 49.133121][ T416] RSP: 002b:00007f1f60fba0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.141611][ T416] RAX: ffffffffffffffda RBX: 00007f1f61566f80 RCX: 00007f1f61438da9 [ 49.149839][ T416] RDX: 000000000000000b RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.157795][ T416] RBP: 00007f1f6148547a R08: 0000000000000000 R09: 0000000000000000 [ 49.165752][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.173813][ T416] R13: 000000000000000b R14: 00007f1f61566f80 R15: 00007ffdb4b27358 [ 49.181779][ T416] Modules linked in: [ 49.185754][ T416] ---[ end trace 7d3d3c949207a9a6 ]--- [ 49.187362][ T24] audit: type=1400 audit(1756981783.600:96): avc: denied { read } for pid=77 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 49.191428][ T416] RIP: 0010:strlen+0x29/0x70 [ 49.214654][ T24] audit: type=1400 audit(1756981783.600:97): avc: denied { search } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 49.239554][ T416] Code: 00 55 48 89 e5 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 [ 49.239830][ T24] audit: type=1400 audit(1756981783.600:98): avc: denied { write } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 49.280910][ T416] RSP: 0018:ffffc900010e7c40 EFLAGS: 00010246 [ 49.281029][ T24] audit: type=1400 audit(1756981783.600:99): avc: denied { add_name } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 49.287003][ T416] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 49.287010][ T416] RDX: ffff8881114462c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.307908][ T24] audit: type=1400 audit(1756981783.600:100): avc: denied { create } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 49.315750][ T416] RBP: ffffc900010e7c60 R08: dffffc0000000000 R09: ffffed102000b20f [ 49.324018][ T24] audit: type=1400 audit(1756981783.600:101): avc: denied { append open } for pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 49.344727][ T416] R10: ffffed102000b20f R11: 1ffff1102000b20e R12: ffff8881069a4000 [ 49.352774][ T24] audit: type=1400 audit(1756981783.600:102): avc: denied { getattr } for pid=77 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 49.375825][ T416] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffffffffffff [ 49.415196][ T416] FS: 00007f1f60fba6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 49.424301][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.430885][ T416] CR2: 00007f1f60f99d58 CR3: 000000010ed55000 CR4: 00000000003506b0 [ 49.438889][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.446895][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.455061][ T416] Kernel panic - not syncing: Fatal exception [ 49.461464][ T416] Kernel Offset: disabled [ 49.465792][ T416] Rebooting in 86400 seconds..