------------[ cut here ]------------
kobject: '(null)' (ffff8880686de6f8): is not initialized, yet kobject_put() is being called.
WARNING: CPU: 0 PID: 4432 at lib/kobject.c:728 kobject_put+0x8c/0x450 lib/kobject.c:726
Modules linked in:
CPU: 0 PID: 4432 Comm: syz.3.20 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:kobject_put+0x8c/0x450 lib/kobject.c:726
Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 46 0c b5 f7 48 8b 33 48 c7 c7 c0 c6 b1 8b 48 89 da e8 54 4e 2f f7 <0f> 0b eb 05 e8 6b c7 63 f7 4c 8d 73 38 4c 89 f7 be 04 00 00 00 e8
RSP: 0018:ffffc900034175e0 EFLAGS: 00010246
RAX: 9bdd1c739c881000 RBX: ffff8880686de6f8 RCX: ffff88807e2a9e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffffc90003417267 R09: 1ffff92000682e4c
R10: dffffc0000000000 R11: fffff52000682e4d R12: 1ffff1100d0dbce6
R13: dffffc0000000000 R14: ffff8880686de734 R15: 0000000000000200
FS:  0000555593726500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5cb7535c0 CR3: 00000000243d8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __scsi_remove_device+0xc8/0x3b0 drivers/scsi/scsi_sysfs.c:1477
 scsi_alloc_sdev+0x91d/0xae0 drivers/scsi/scsi_scan.c:380
 scsi_probe_and_add_lun+0x1a0/0x44b0 drivers/scsi/scsi_scan.c:1183
 __scsi_scan_target+0x1d4/0x1050 drivers/scsi/scsi_scan.c:1715
 scsi_scan_channel drivers/scsi/scsi_scan.c:1803 [inline]
 scsi_scan_host_selected+0x374/0x6a0 drivers/scsi/scsi_scan.c:1832
 scsi_scan drivers/scsi/scsi_sysfs.c:151 [inline]
 store_scan+0x49c/0x530 drivers/scsi/scsi_sysfs.c:191
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2271 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f26ba19e159
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
RSP: 002b:00007ffc517b2a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f26ba425fa0 RCX: 00007f26ba19e159
RDX: 0000000000000006 RSI: 0000200000000200 RDI: 0000000000000003
RBP: 00007f26ba23503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f26ba425fac R14: 00007f26ba425fa0 R15: 00007f26ba425fa0
 </TASK>