syzbot

scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
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BUG: KMSAN: use-after-free in scsi_vpd_inquiry drivers/scsi/scsi.c:323 [inline]
BUG: KMSAN: use-after-free in scsi_get_vpd_buf+0x4cc/0x720 drivers/scsi/scsi.c:455
 scsi_vpd_inquiry drivers/scsi/scsi.c:323 [inline]
 scsi_get_vpd_buf+0x4cc/0x720 drivers/scsi/scsi.c:455
 scsi_update_vpd_page drivers/scsi/scsi.c:479 [inline]
 scsi_attach_vpd+0x974/0xe70 drivers/scsi/scsi.c:529
 scsi_add_lun drivers/scsi/scsi_scan.c:1110 [inline]
 scsi_probe_and_add_lun+0x6933/0x7f20 drivers/scsi/scsi_scan.c:1288
 __scsi_scan_target+0x2fb/0x2050 drivers/scsi/scsi_scan.c:1776
 scsi_scan_channel drivers/scsi/scsi_scan.c:1864 [inline]
 scsi_scan_host_selected+0x68f/0x9a0 drivers/scsi/scsi_scan.c:1893
 do_scsi_scan_host drivers/scsi/scsi_scan.c:2032 [inline]
 do_scan_async+0x1ad/0xdc0 drivers/scsi/scsi_scan.c:2042
 async_run_entry_fn+0x90/0x570 kernel/async.c:129
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3346
 worker_thread+0xedf/0x1590 kernel/workqueue.c:3427
 kthread+0xd59/0xf00 kernel/kthread.c:463
 ret_from_fork+0x233/0x380 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Uninit was created at:
 slab_free_hook mm/slub.c:2440 [inline]
 slab_free mm/slub.c:6566 [inline]
 kfree+0x254/0x1460 mm/slub.c:6773
 call_usermodehelper_freeinfo kernel/umh.c:43 [inline]
 umh_complete kernel/umh.c:57 [inline]
 call_usermodehelper_exec_async+0x666/0x6f0 kernel/umh.c:119
 ret_from_fork+0x233/0x380 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

CPU: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: async async_run_entry_fn
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