scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 BUG: unable to handle page fault for address: ffffdc0000000001 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11826067 P4D 11826067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 41 Comm: kworker/u4:2 Not tainted 5.19.0-syzkaller-14374-g5d6a0f4da927 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: events_unbound async_run_entry_fn RIP: 0010:__hlist_del include/linux/list.h:886 [inline] RIP: 0010:hlist_del include/linux/list.h:898 [inline] RIP: 0010:__alloc_object lib/debugobjects.c:213 [inline] RIP: 0010:alloc_object lib/debugobjects.c:253 [inline] RIP: 0010:__debug_object_init+0x761/0xd10 lib/debugobjects.c:570 Code: 00 00 4d 8b 47 08 4c 89 c7 48 c1 ef 03 80 3c 0f 00 0f 85 74 04 00 00 48 85 f6 49 89 30 74 1a 48 8d 7e 08 49 89 fa 49 c1 ea 03 <41> 80 3c 0a 00 0f 85 2f 04 00 00 4c 89 46 08 48 b8 00 01 00 00 00 RSP: 0000:ffffc90000d2f670 EFLAGS: 00010802 RAX: 0000000000000000 RBX: 0000000000001c37 RCX: dffffc0000000000 RDX: ffff8880b9b36c20 RSI: ffff000000000000 RDI: ffff000000000008 RBP: 0000000000001c3b R08: ffffffff91340700 R09: 0000000000001c2b R10: 1fffe00000000001 R11: 0000000000000215 R12: ffff8880b9b36c20 R13: 0000000000000209 R14: ffffed1017366d85 R15: ffff8881472293f0 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000001 CR3: 000000000bc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __init_work+0x48/0x50 kernel/workqueue.c:523 pm_runtime_init+0x1fe/0x400 drivers/base/power/runtime.c:1717 device_pm_init drivers/base/power/power.h:168 [inline] device_initialize+0x23f/0x540 drivers/base/core.c:2985 scsi_sysfs_device_initialize+0x257/0xa60 drivers/scsi/scsi_sysfs.c:1627 scsi_alloc_sdev+0x9b4/0xcc0 drivers/scsi/scsi_scan.c:364 scsi_probe_and_add_lun+0x22be/0x3660 drivers/scsi/scsi_scan.c:1191 __scsi_scan_target+0x21f/0xdb0 drivers/scsi/scsi_scan.c:1673 scsi_scan_channel drivers/scsi/scsi_scan.c:1761 [inline] scsi_scan_channel+0x148/0x1e0 drivers/scsi/scsi_scan.c:1737 scsi_scan_host_selected+0x2df/0x3b0 drivers/scsi/scsi_scan.c:1790 do_scsi_scan_host+0x1e8/0x260 drivers/scsi/scsi_scan.c:1929 do_scan_async+0x3e/0x500 drivers/scsi/scsi_scan.c:1939 async_run_entry_fn+0x98/0x530 kernel/async.c:127 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: CR2: ffffdc0000000001 ---[ end trace 0000000000000000 ]--- RIP: 0010:__hlist_del include/linux/list.h:886 [inline] RIP: 0010:hlist_del include/linux/list.h:898 [inline] RIP: 0010:__alloc_object lib/debugobjects.c:213 [inline] RIP: 0010:alloc_object lib/debugobjects.c:253 [inline] RIP: 0010:__debug_object_init+0x761/0xd10 lib/debugobjects.c:570 Code: 00 00 4d 8b 47 08 4c 89 c7 48 c1 ef 03 80 3c 0f 00 0f 85 74 04 00 00 48 85 f6 49 89 30 74 1a 48 8d 7e 08 49 89 fa 49 c1 ea 03 <41> 80 3c 0a 00 0f 85 2f 04 00 00 4c 89 46 08 48 b8 00 01 00 00 00 RSP: 0000:ffffc90000d2f670 EFLAGS: 00010802 RAX: 0000000000000000 RBX: 0000000000001c37 RCX: dffffc0000000000 RDX: ffff8880b9b36c20 RSI: ffff000000000000 RDI: ffff000000000008 RBP: 0000000000001c3b R08: ffffffff91340700 R09: 0000000000001c2b R10: 1fffe00000000001 R11: 0000000000000215 R12: ffff8880b9b36c20 R13: 0000000000000209 R14: ffffed1017366d85 R15: ffff8881472293f0 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000001 CR3: 000000000bc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 4d 8b 47 08 mov 0x8(%r15),%r8 6: 4c 89 c7 mov %r8,%rdi 9: 48 c1 ef 03 shr $0x3,%rdi d: 80 3c 0f 00 cmpb $0x0,(%rdi,%rcx,1) 11: 0f 85 74 04 00 00 jne 0x48b 17: 48 85 f6 test %rsi,%rsi 1a: 49 89 30 mov %rsi,(%r8) 1d: 74 1a je 0x39 1f: 48 8d 7e 08 lea 0x8(%rsi),%rdi 23: 49 89 fa mov %rdi,%r10 26: 49 c1 ea 03 shr $0x3,%r10 * 2a: 41 80 3c 0a 00 cmpb $0x0,(%r10,%rcx,1) <-- trapping instruction 2f: 0f 85 2f 04 00 00 jne 0x464 35: 4c 89 46 08 mov %r8,0x8(%rsi) 39: 48 rex.W 3a: b8 00 01 00 00 mov $0x100,%eax