Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program [ 56.358753][ T8420] sysfs: cannot create duplicate filename '/devices/virtual/bdi/7:0' [ 56.367676][ T8420] CPU: 1 PID: 8420 Comm: syz-executor119 Not tainted 5.13.0-rc2-syzkaller #0 [ 56.377185][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.387236][ T8420] Call Trace: [ 56.390505][ T8420] dump_stack+0x141/0x1d7 [ 56.394857][ T8420] sysfs_warn_dup.cold+0x1c/0x29 [ 56.399842][ T8420] sysfs_create_dir_ns+0x233/0x290 [ 56.404939][ T8420] ? sysfs_create_mount_point+0xb0/0xb0 [ 56.410481][ T8420] ? rwlock_bug.part.0+0x90/0x90 [ 56.415422][ T8420] ? class_dir_child_ns_type+0x9/0x60 [ 56.420780][ T8420] kobject_add_internal+0x2d2/0xa60 [ 56.425980][ T8420] kobject_add+0x150/0x1c0 [ 56.430376][ T8420] ? kset_create_and_add+0x190/0x190 [ 56.435671][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 56.441321][ T8420] device_add+0x36a/0x2100 [ 56.445902][ T8420] ? rcu_read_lock_sched_held+0x3a/0x70 [ 56.451542][ T8420] ? kfree+0x6ae/0x7f0 [ 56.457527][ T8420] ? memcpy+0x39/0x60 [ 56.461523][ T8420] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 56.467915][ T8420] device_create_groups_vargs+0x203/0x280 [ 56.473636][ T8420] device_create+0xdf/0x120 [ 56.478134][ T8420] ? device_create_groups_vargs+0x280/0x280 [ 56.484024][ T8420] ? pointer+0xa00/0xa00 [ 56.488267][ T8420] ? vsnprintf+0x281/0x14f0 [ 56.492763][ T8420] bdi_register_va.part.0+0x9c/0x800 [ 56.498038][ T8420] ? cgwb_kill+0x450/0x450 [ 56.502442][ T8420] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 56.508243][ T8420] ? __wake_up_common_lock+0xde/0x130 [ 56.513611][ T8420] bdi_register+0x12a/0x140 [ 56.518102][ T8420] ? bdi_register_va.part.0+0x800/0x800 [ 56.523653][ T8420] __device_add_disk+0xe62/0x1230 [ 56.528672][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 56.534125][ T8420] ? blk_alloc_devt+0x240/0x240 [ 56.538966][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 56.544422][ T8420] loop_add+0x671/0x900 [ 56.548573][ T8420] loop_control_ioctl+0x16c/0x4f0 [ 56.553587][ T8420] ? loop_lookup+0x1d0/0x1d0 [ 56.558168][ T8420] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 56.564402][ T8420] ? loop_lookup+0x1d0/0x1d0 [ 56.568998][ T8420] __x64_sys_ioctl+0x193/0x200 [ 56.573751][ T8420] do_syscall_64+0x3a/0xb0 [ 56.578159][ T8420] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.584041][ T8420] RIP: 0033:0x43ee49 [ 56.587925][ T8420] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.607523][ T8420] RSP: 002b:00007ffdf082dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.615922][ T8420] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee49 [ 56.623879][ T8420] RDX: 0000000000200000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 56.631836][ T8420] RBP: 0000000000402e30 R08: 0000000000000000 R09: 0000000000400488 [ 56.639793][ T8420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402ec0 [ 56.647750][ T8420] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 56.657569][ T8420] kobject_add_internal failed for 7:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 56.671123][ T8420] ------------[ cut here ]------------ [ 56.676819][ T8420] WARNING: CPU: 0 PID: 8420 at block/genhd.c:551 __device_add_disk+0xf56/0x1230 [ 56.686257][ T8420] Modules linked in: [ 56.690141][ T8420] CPU: 0 PID: 8420 Comm: syz-executor119 Not tainted 5.13.0-rc2-syzkaller #0 [ 56.698930][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.709182][ T8420] RIP: 0010:__device_add_disk+0xf56/0x1230 [ 56.715100][ T8420] Code: f1 ff ff e8 bc 8d b6 fd 0f 0b e9 26 fa ff ff 48 89 7c 24 20 e8 ab 8d b6 fd 0f 0b 48 8b 7c 24 20 e9 5e f5 ff ff e8 9a 8d b6 fd <0f> 0b e9 1a ff ff ff 4c 89 ef e8 0b 90 fb fd e9 fb f1 ff ff 48 8b [ 56.734866][ T8420] RSP: 0018:ffffc90000f2fd30 EFLAGS: 00010293 [ 56.740943][ T8420] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.749123][ T8420] RDX: ffff888027153880 RSI: ffffffff83be45c6 RDI: 0000000000000003 [ 56.757151][ T8420] RBP: ffff88801994ac00 R08: 0000000000000000 R09: ffffffff902258f7 [ 56.765358][ T8420] R10: ffffffff83be44de R11: 0000000000000000 R12: 00000000ffffffef [ 56.773503][ T8420] R13: ffff88801994aca0 R14: ffff88801e5b0c50 R15: ffff88802ed94000 [ 56.781548][ T8420] FS: 0000000001c8e300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 56.791107][ T8420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.797759][ T8420] CR2: 0000000020000050 CR3: 000000001d2c9000 CR4: 0000000000350ef0 [ 56.805958][ T8420] Call Trace: [ 56.809233][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 56.814744][ T8420] ? blk_alloc_devt+0x240/0x240 [ 56.819597][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 56.825099][ T8420] loop_add+0x671/0x900 [ 56.829257][ T8420] loop_control_ioctl+0x16c/0x4f0 [ 56.834329][ T8420] ? loop_lookup+0x1d0/0x1d0 [ 56.838922][ T8420] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 56.845287][ T8420] ? loop_lookup+0x1d0/0x1d0 [ 56.849876][ T8420] __x64_sys_ioctl+0x193/0x200 [ 56.854693][ T8420] do_syscall_64+0x3a/0xb0 [ 56.859109][ T8420] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.865074][ T8420] RIP: 0033:0x43ee49 [ 56.868971][ T8420] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.888834][ T8420] RSP: 002b:00007ffdf082dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.897482][ T8420] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee49 [ 56.905518][ T8420] RDX: 0000000000200000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 56.913483][ T8420] RBP: 0000000000402e30 R08: 0000000000000000 R09: 0000000000400488 [ 56.922368][ T8420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402ec0 [ 56.930416][ T8420] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 56.938458][ T8420] Kernel panic - not syncing: panic_on_warn set ... [ 56.945033][ T8420] CPU: 0 PID: 8420 Comm: syz-executor119 Not tainted 5.13.0-rc2-syzkaller #0 [ 56.953772][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.963819][ T8420] Call Trace: [ 56.967079][ T8420] dump_stack+0x141/0x1d7 [ 56.971392][ T8420] panic+0x306/0x73d [ 56.975267][ T8420] ? __warn_printk+0xf3/0xf3 [ 56.979842][ T8420] ? __warn.cold+0x1a/0x44 [ 56.984237][ T8420] ? __device_add_disk+0xf56/0x1230 [ 56.989418][ T8420] __warn.cold+0x35/0x44 [ 56.993639][ T8420] ? __device_add_disk+0xf56/0x1230 [ 56.998836][ T8420] report_bug+0x1bd/0x210 [ 57.003148][ T8420] handle_bug+0x3c/0x60 [ 57.007282][ T8420] exc_invalid_op+0x14/0x40 [ 57.011772][ T8420] asm_exc_invalid_op+0x12/0x20 [ 57.016688][ T8420] RIP: 0010:__device_add_disk+0xf56/0x1230 [ 57.022489][ T8420] Code: f1 ff ff e8 bc 8d b6 fd 0f 0b e9 26 fa ff ff 48 89 7c 24 20 e8 ab 8d b6 fd 0f 0b 48 8b 7c 24 20 e9 5e f5 ff ff e8 9a 8d b6 fd <0f> 0b e9 1a ff ff ff 4c 89 ef e8 0b 90 fb fd e9 fb f1 ff ff 48 8b [ 57.042082][ T8420] RSP: 0018:ffffc90000f2fd30 EFLAGS: 00010293 [ 57.048131][ T8420] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.056083][ T8420] RDX: ffff888027153880 RSI: ffffffff83be45c6 RDI: 0000000000000003 [ 57.064038][ T8420] RBP: ffff88801994ac00 R08: 0000000000000000 R09: ffffffff902258f7 [ 57.071988][ T8420] R10: ffffffff83be44de R11: 0000000000000000 R12: 00000000ffffffef [ 57.079941][ T8420] R13: ffff88801994aca0 R14: ffff88801e5b0c50 R15: ffff88802ed94000 [ 57.087898][ T8420] ? __device_add_disk+0xe6e/0x1230 [ 57.093096][ T8420] ? __device_add_disk+0xf56/0x1230 [ 57.098284][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 57.103819][ T8420] ? blk_alloc_devt+0x240/0x240 [ 57.108656][ T8420] ? lockdep_init_map_type+0x2c3/0x7b0 [ 57.114106][ T8420] loop_add+0x671/0x900 [ 57.118245][ T8420] loop_control_ioctl+0x16c/0x4f0 [ 57.123251][ T8420] ? loop_lookup+0x1d0/0x1d0 [ 57.127838][ T8420] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 57.134064][ T8420] ? loop_lookup+0x1d0/0x1d0 [ 57.138637][ T8420] __x64_sys_ioctl+0x193/0x200 [ 57.143395][ T8420] do_syscall_64+0x3a/0xb0 [ 57.147796][ T8420] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.153665][ T8420] RIP: 0033:0x43ee49 [ 57.157537][ T8420] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.177126][ T8420] RSP: 002b:00007ffdf082dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.185518][ T8420] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee49 [ 57.193469][ T8420] RDX: 0000000000200000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 57.201418][ T8420] RBP: 0000000000402e30 R08: 0000000000000000 R09: 0000000000400488 [ 57.209369][ T8420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402ec0 [ 57.217318][ T8420] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 57.228922][ T8420] Kernel Offset: disabled [ 57.233741][ T8420] Rebooting in 86400 seconds..