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BUG: KASAN: use-after-free in __add_wait_queue include/linux/wait.h:177 [inline]
BUG: KASAN: use-after-free in add_wait_queue+0x1c0/0x260 kernel/sched/wait.c:24
Read of size 4 at addr ffff88801ac1ff18 by task syz-executor110/4140

CPU: 0 PID: 4140 Comm: syz-executor110 Not tainted 5.17.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255
 __kasan_report mm/kasan/report.c:442 [inline]
 kasan_report.cold+0x83/0xdf mm/kasan/report.c:459
 __add_wait_queue include/linux/wait.h:177 [inline]
 add_wait_queue+0x1c0/0x260 kernel/sched/wait.c:24
 poll_wait include/linux/poll.h:49 [inline]
 n_tty_poll+0x5c/0x790 drivers/tty/n_tty.c:2322
 tty_poll+0x10e/0x180 drivers/tty/tty_io.c:2212
 vfs_poll include/linux/poll.h:88 [inline]
 __io_arm_poll_handler+0x373/0xb90 fs/io_uring.c:6126
 io_arm_poll_handler+0x39e/0x880 fs/io_uring.c:6218
 io_queue_sqe_arm_apoll+0x52/0x350 fs/io_uring.c:7459
 __io_queue_sqe fs/io_uring.c:7501 [inline]
 io_queue_sqe fs/io_uring.c:7528 [inline]
 io_submit_sqe fs/io_uring.c:7736 [inline]
 io_submit_sqes+0x6360/0x80f0 fs/io_uring.c:7842
 __do_sys_io_uring_enter+0x6d3/0x1030 fs/io_uring.c:10873
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f6059d99fc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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
RSP: 002b:00007ffe6874fa88 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6059d99fc9
RDX: 0000000000000000 RSI: 0000000000001261 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000fa32
R13: 00007ffe6874faac R14: 00007ffe6874fac0 R15: 00007ffe6874fab0
 </TASK>

Allocated by task 4135:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 ____kasan_kmalloc mm/kasan/common.c:515 [inline]
 ____kasan_kmalloc mm/kasan/common.c:474 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524
 kmalloc include/linux/slab.h:581 [inline]
 io_arm_poll_handler+0x30e/0x880 fs/io_uring.c:6209
 io_queue_sqe_arm_apoll+0x52/0x350 fs/io_uring.c:7459
 __io_queue_sqe fs/io_uring.c:7501 [inline]
 io_queue_sqe fs/io_uring.c:7528 [inline]
 io_submit_sqe fs/io_uring.c:7736 [inline]
 io_submit_sqes+0x6360/0x80f0 fs/io_uring.c:7842
 __do_sys_io_uring_enter+0x6d3/0x1030 fs/io_uring.c:10873
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Freed by task 4135:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:236 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754
 slab_free mm/slub.c:3509 [inline]
 kfree+0xd0/0x390 mm/slub.c:4562
 io_clean_op+0x198/0xbc0 fs/io_uring.c:7097
 io_dismantle_req fs/io_uring.c:2245 [inline]
 __io_req_complete_post+0x77d/0xaf0 fs/io_uring.c:2083
 io_req_complete_post+0x53/0x1f0 fs/io_uring.c:2096
 handle_tw_list fs/io_uring.c:2455 [inline]
 tctx_task_work+0x50f/0xf10 fs/io_uring.c:2489
 task_work_run+0xc0/0x160 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x9ab/0x2500 kernel/exit.c:806
 do_group_exit+0xb2/0x2a0 kernel/exit.c:935
 __do_sys_exit_group kernel/exit.c:946 [inline]
 __se_sys_exit_group kernel/exit.c:944 [inline]
 __x64_sys_exit_group+0x35/0x40 kernel/exit.c:944
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff88801ac1ff00
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 24 bytes inside of
 96-byte region [ffff88801ac1ff00, ffff88801ac1ff60)
The buggy address belongs to the page:
page:ffffea00006b07c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1ac1f
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 dead000000000100 dead000000000122 ffff88800fc41780
raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 44, ts 4884089645, free_ts 4883325258
 prep_new_page mm/page_alloc.c:2434 [inline]
 get_page_from_freelist+0xa6f/0x2f10 mm/page_alloc.c:4165
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5389
 alloc_slab_page mm/slub.c:1799 [inline]
 allocate_slab+0x27f/0x3c0 mm/slub.c:1944
 new_slab mm/slub.c:2004 [inline]
 ___slab_alloc+0xbe3/0x12a0 mm/slub.c:3018
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3105
 slab_alloc_node mm/slub.c:3196 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc_trace+0x2f8/0x3d0 mm/slub.c:3255
 kmalloc include/linux/slab.h:581 [inline]
 kzalloc include/linux/slab.h:714 [inline]
 blk_mq_alloc_ctxs block/blk-mq.c:3815 [inline]
 blk_mq_init_allocated_queue+0x178/0x14e0 block/blk-mq.c:4033
 blk_mq_init_queue_data block/blk-mq.c:3876 [inline]
 blk_mq_init_queue+0x98/0x100 block/blk-mq.c:3886
 scsi_alloc_sdev+0x827/0xc00 drivers/scsi/scsi_scan.c:330
 scsi_probe_and_add_lun+0x1789/0x2e00 drivers/scsi/scsi_scan.c:1167
 __scsi_scan_target+0x1ab/0xad0 drivers/scsi/scsi_scan.c:1649
 scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline]
 scsi_scan_channel+0xdf/0x160 drivers/scsi/scsi_scan.c:1713
 scsi_scan_host_selected+0x1ef/0x2a0 drivers/scsi/scsi_scan.c:1766
 do_scan_async+0x3a/0x450 drivers/scsi/scsi_scan.c:1915
 async_run_entry_fn+0x8e/0x4f0 kernel/async.c:127
 process_one_work+0x879/0x1410 kernel/workqueue.c:2307
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1352 [inline]
 free_pcp_prepare+0x374/0x870 mm/page_alloc.c:1404
 free_unref_page_prepare mm/page_alloc.c:3325 [inline]
 free_unref_page+0x19/0x690 mm/page_alloc.c:3404
 __vunmap+0x5af/0x9e0 mm/vmalloc.c:2635
 free_work+0x4b/0x70 mm/vmalloc.c:97
 process_one_work+0x879/0x1410 kernel/workqueue.c:2307
 worker_thread+0x5a0/0xf60 kernel/workqueue.c:2454
 kthread+0x299/0x340 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Memory state around the buggy address:
 ffff88801ac1fe00: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
 ffff88801ac1fe80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
>ffff88801ac1ff00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
                            ^
 ffff88801ac1ff80: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
 ffff88801ac20000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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