program:
r0 = syz_genetlink_get_family_id$ethtool(&(0x7f00000001c0), 0xffffffffffffffff)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$ETHTOOL_MSG_STRSET_GET(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r0, @ANYBLOB="210329bd7000fbdbdf2501"], 0x14}, 0x1, 0x0, 0x0, 0x4c811}, 0x4)
recvmmsg(r1, &(0x7f0000000340)=[{{0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000540)=""/4084, 0xff4}, {&(0x7f0000001540)=""/30, 0x1e}, {&(0x7f0000001580)=""/134, 0x86}, {&(0x7f0000001640)=""/51, 0x33}], 0x4}, 0x8}], 0x1, 0x180, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./dev\x00', &(0x7f0000000140)='devtmpfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0)
write(r2, &(0x7f0000000200)='md0', 0x3)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000500)={&(0x7f00000003c0)=ANY=[@ANYBLOB="20000000107437"], 0x20}}, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./dev/md0\x00', 0x4002, 0x0)
ioctl(r3, 0x40480923, &(0x7f0000000380)="000000005a000000030000000000000000000000000000000100000001")
ioctl(r3, 0x40140921, &(0x7f0000000420)="0000000001")
ioctl(r3, 0x400c0930, 0x0)
[ 110.050319][ T5283] Bluetooth: hci0: command tx timeout
[ 110.450365][ T5331] ------------[ cut here ]------------
[ 110.450379][ T5331] kobject: '(null)' (ffff888040ffa0f0): is not initialized, yet kobject_get() is being called.
[ 110.450391][ T5331] WARNING: lib/kobject.c:642 at kobject_add_internal+0xea/0xcd0, CPU#0: syz.0.0/5331
[ 110.463478][ T5331] Modules linked in:
[ 110.465604][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 110.469689][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 110.475067][ T5331] RIP: 0010:kobject_add_internal+0x113/0xcd0
[ 110.477790][ T5331] Code: 05 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 37 48 59 f6 49 8b 34 24 4c 89 f7 4c 89 e2 <67> 48 0f b9 3a e9 e4 00 00 00 e8 ee c8 e6 f5 b8 fe ff ff ff e9 fb
[ 110.486143][ T5331] RSP: 0018:ffffc9000ecb78a8 EFLAGS: 00010246
[ 110.489025][ T5331] RAX: 1ffff110081ff41e RBX: ffff888052df0080 RCX: dffffc0000000000
[ 110.492710][ T5331] RDX: ffff888040ffa0f0 RSI: 0000000000000000 RDI: ffffffff918da4f0
[ 110.495962][ T5331] RBP: 0000000000000000 R08: ffff888037b60000 R09: 0000000000000008
[ 110.499186][ T5331] R10: 0000000000000007 R11: 0000000000000002 R12: ffff888040ffa0f0
[ 110.502353][ T5331] R13: dffffc0000000000 R14: ffffffff918da4f0 R15: dffffc0000000000
[ 110.505502][ T5331] FS: 00007feb03fd46c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
[ 110.509161][ T5331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 110.512071][ T5331] CR2: 00005568a91a2e99 CR3: 000000004579b000 CR4: 0000000000352ef0
[ 110.515721][ T5331] Call Trace:
[ 110.517278][ T5331]
[ 110.518836][ T5331] kobject_add+0x163/0x240
[ 110.520891][ T5331] ? __pfx_kobject_add+0x10/0x10
[ 110.523179][ T5331] ? mddev_create_serial_pool+0x1ec/0x590
[ 110.525835][ T5331] ? strreplace+0xe4/0x130
[ 110.528185][ T5331] bind_rdev_to_array+0x80c/0xdd0
[ 110.530509][ T5331] ? bind_rdev_to_array+0x352/0xdd0
[ 110.532975][ T5331] ? __pfx_bind_rdev_to_array+0x10/0x10
[ 110.535456][ T5331] ? md_import_device+0x48d/0x650
[ 110.537893][ T5331] md_add_new_disk+0xe3b/0x1850
[ 110.540122][ T5331] md_ioctl+0x200a/0x2610
[ 110.542148][ T5331] ? tomoyo_path_number_perm+0x219/0x5f0
[ 110.544701][ T5331] ? __pfx_md_ioctl+0x10/0x10
[ 110.546906][ T5331] ? do_vfs_ioctl+0x116f/0x1530
[ 110.549358][ T5331] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 110.551701][ T5331] ? hook_file_ioctl+0x1f2/0x600
[ 110.553950][ T5331] ? __pfx_md_ioctl+0x10/0x10
[ 110.556079][ T5331] blkdev_ioctl+0x5e3/0x740
[ 110.558295][ T5331] ? __pfx_blkdev_ioctl+0x10/0x10
[ 110.560624][ T5331] ? __fget_files+0x2a/0x420
[ 110.562774][ T5331] ? bpf_lsm_file_ioctl+0x9/0x20
[ 110.565417][ T5331] ? __pfx_blkdev_ioctl+0x10/0x10
[ 110.568033][ T5331] __se_sys_ioctl+0xfc/0x170
[ 110.570195][ T5331] do_syscall_64+0x166/0x520
[ 110.572430][ T5331] ? trace_irq_disable+0x3b/0x140
[ 110.574741][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 110.577448][ T5331] ? clear_bhb_loop+0x70/0xc0
[ 110.579732][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 110.582472][ T5331] RIP: 0033:0x7feb0319e559
[ 110.584497][ T5331] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 110.593055][ T5331] RSP: 002b:00007feb03fd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 110.596675][ T5331] RAX: ffffffffffffffda RBX: 00007feb03426090 RCX: 00007feb0319e559
[ 110.600105][ T5331] RDX: 0000200000000420 RSI: 0000000040140921 RDI: 0000000000000005
[ 110.604071][ T5331] RBP: 00007feb032358b0 R08: 0000000000000000 R09: 0000000000000000
[ 110.608092][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 110.611970][ T5331] R13: 00007feb03426128 R14: 00007feb03426090 R15: 00007fff947f7358
[ 110.615446][ T5331]
[ 110.616754][ T5331] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 110.619813][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 110.623798][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 110.628116][ T5331] Call Trace:
[ 110.629584][ T5331]
[ 110.630898][ T5331] vpanic+0x56d/0xa60
[ 110.632719][ T5331] ? __pfx__printk+0x10/0x10
[ 110.634823][ T5331] ? __pfx_vpanic+0x10/0x10
[ 110.636909][ T5331] ? is_bpf_text_address+0x292/0x2b0
[ 110.639307][ T5331] ? is_bpf_text_address+0x26/0x2b0
[ 110.641668][ T5331] panic+0xc5/0xd0
[ 110.643372][ T5331] ? __pfx_panic+0x10/0x10
[ 110.645197][ T5331] __warn+0x315/0x4c0
[ 110.647012][ T5331] ? kobject_add_internal+0xea/0xcd0
[ 110.649370][ T5331] ? kobject_add_internal+0xea/0xcd0
[ 110.651761][ T5331] __report_bug+0x276/0x570
[ 110.653837][ T5331] ? kobject_add_internal+0xea/0xcd0
[ 110.656161][ T5331] ? __pfx___report_bug+0x10/0x10
[ 110.658431][ T5331] ? string+0x28a/0x2d0
[ 110.660311][ T5331] ? widen_string+0x3b/0x2a0
[ 110.662452][ T5331] ? string+0x28a/0x2d0
[ 110.664381][ T5331] ? vsnprintf+0xe42/0xef0
[ 110.666418][ T5331] report_bug_entry+0x19b/0x290
[ 110.668600][ T5331] ? kobject_add_internal+0x113/0xcd0
[ 110.671092][ T5331] ? kobject_add_internal+0x118/0xcd0
[ 110.673448][ T5331] handle_bug+0xce/0x200
[ 110.675421][ T5331] exc_invalid_op+0x1a/0x50
[ 110.677490][ T5331] asm_exc_invalid_op+0x1a/0x20
[ 110.679675][ T5331] RIP: 0010:kobject_add_internal+0x113/0xcd0
[ 110.682156][ T5331] Code: 05 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 37 48 59 f6 49 8b 34 24 4c 89 f7 4c 89 e2 <67> 48 0f b9 3a e9 e4 00 00 00 e8 ee c8 e6 f5 b8 fe ff ff ff e9 fb
[ 110.689516][ T5331] RSP: 0018:ffffc9000ecb78a8 EFLAGS: 00010246
[ 110.691922][ T5331] RAX: 1ffff110081ff41e RBX: ffff888052df0080 RCX: dffffc0000000000
[ 110.695256][ T5331] RDX: ffff888040ffa0f0 RSI: 0000000000000000 RDI: ffffffff918da4f0
[ 110.698850][ T5331] RBP: 0000000000000000 R08: ffff888037b60000 R09: 0000000000000008
[ 110.702510][ T5331] R10: 0000000000000007 R11: 0000000000000002 R12: ffff888040ffa0f0
[ 110.705997][ T5331] R13: dffffc0000000000 R14: ffffffff918da4f0 R15: dffffc0000000000
[ 110.709512][ T5331] ? kobject_add_internal+0xe3/0xcd0
[ 110.711963][ T5331] kobject_add+0x163/0x240
[ 110.714044][ T5331] ? __pfx_kobject_add+0x10/0x10
[ 110.716334][ T5331] ? mddev_create_serial_pool+0x1ec/0x590
[ 110.718963][ T5331] ? strreplace+0xe4/0x130
[ 110.720994][ T5331] bind_rdev_to_array+0x80c/0xdd0
[ 110.723275][ T5331] ? bind_rdev_to_array+0x352/0xdd0
[ 110.725559][ T5331] ? __pfx_bind_rdev_to_array+0x10/0x10
[ 110.728055][ T5331] ? md_import_device+0x48d/0x650
[ 110.730354][ T5331] md_add_new_disk+0xe3b/0x1850
[ 110.732572][ T5331] md_ioctl+0x200a/0x2610
[ 110.734570][ T5331] ? tomoyo_path_number_perm+0x219/0x5f0
[ 110.736885][ T5331] ? __pfx_md_ioctl+0x10/0x10
[ 110.738776][ T5331] ? do_vfs_ioctl+0x116f/0x1530
[ 110.740752][ T5331] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 110.742802][ T5331] ? hook_file_ioctl+0x1f2/0x600
[ 110.744813][ T5331] ? __pfx_md_ioctl+0x10/0x10
[ 110.746669][ T5331] blkdev_ioctl+0x5e3/0x740
[ 110.748505][ T5331] ? __pfx_blkdev_ioctl+0x10/0x10
[ 110.750520][ T5331] ? __fget_files+0x2a/0x420
[ 110.752623][ T5331] ? bpf_lsm_file_ioctl+0x9/0x20
[ 110.754571][ T5331] ? __pfx_blkdev_ioctl+0x10/0x10
[ 110.756678][ T5331] __se_sys_ioctl+0xfc/0x170
[ 110.758612][ T5331] do_syscall_64+0x166/0x520
[ 110.760382][ T5331] ? trace_irq_disable+0x3b/0x140
[ 110.762341][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 110.764760][ T5331] ? clear_bhb_loop+0x70/0xc0
[ 110.766871][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 110.769341][ T5331] RIP: 0033:0x7feb0319e559
[ 110.771212][ T5331] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
[ 110.779128][ T5331] RSP: 002b:00007feb03fd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 110.782754][ T5331] RAX: ffffffffffffffda RBX: 00007feb03426090 RCX: 00007feb0319e559
[ 110.786153][ T5331] RDX: 0000200000000420 RSI: 0000000040140921 RDI: 0000000000000005
[ 110.789525][ T5331] RBP: 00007feb032358b0 R08: 0000000000000000 R09: 0000000000000000
[ 110.792977][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 110.796447][ T5331] R13: 00007feb03426128 R14: 00007feb03426090 R15: 00007fff947f7358
[ 110.800042][ T5331]
[ 110.801923][ T5331] Kernel Offset: disabled
[ 110.803866][ T5331] Rebooting in 86400 seconds..