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BUG: KASAN: out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline]
BUG: KASAN: out-of-bounds in put_bh include/linux/buffer_head.h:308 [inline]
BUG: KASAN: out-of-bounds in end_buffer_read_sync+0xc1/0xd0 fs/buffer.c:161
Write of size 4 at addr ffffc9000582f2c0 by task ksoftirqd/1/22

CPU: 1 PID: 22 Comm: ksoftirqd/1 Not tainted 6.6.0-rc4-syzkaller-00029-gcbf3a2cb156a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0x163/0x540 mm/kasan/report.c:475
 kasan_report+0x175/0x1b0 mm/kasan/report.c:588
 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:187
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline]
 put_bh include/linux/buffer_head.h:308 [inline]
 end_buffer_read_sync+0xc1/0xd0 fs/buffer.c:161
 end_bio_bh_io_sync+0xb7/0x110 fs/buffer.c:2780
 req_bio_endio block/blk-mq.c:783 [inline]
 blk_update_request+0x53f/0x1020 block/blk-mq.c:928
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1051
 blk_complete_reqs block/blk-mq.c:1131 [inline]
 blk_done_softirq+0x103/0x150 block/blk-mq.c:1136
 __do_softirq+0x2ab/0x908 kernel/softirq.c:553
 run_ksoftirqd+0xc5/0x120 kernel/softirq.c:921
 smpboot_thread_fn+0x530/0x9f0 kernel/smpboot.c:164
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc90005828000, ffffc90005831000) created by:
 copy_process+0x5d1/0x41a0 kernel/fork.c:2327

The buggy address belongs to the physical page:
page:ffffea00009d0d80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x27436
memcg:ffff8880167b1402
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff ffff8880167b1402
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 6469, tgid 6469 (syz-executor.4), ts 157253348504, free_ts 149466193757
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170
 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x9a3/0x1490 mm/vmalloc.c:3320
 alloc_thread_stack_node kernel/fork.c:309 [inline]
 dup_task_struct+0x3e5/0x7d0 kernel/fork.c:1118
 copy_process+0x5d1/0x41a0 kernel/fork.c:2327
 kernel_clone+0x222/0x840 kernel/fork.c:2909
 __do_sys_clone3 kernel/fork.c:3210 [inline]
 __se_sys_clone3+0x2cb/0x340 kernel/fork.c:3194
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2451
 release_pages+0x2113/0x23f0 mm/swap.c:1042
 __folio_batch_release+0x84/0x100 mm/swap.c:1062
 folio_batch_release include/linux/pagevec.h:83 [inline]
 truncate_inode_pages_range+0x45d/0x11a0 mm/truncate.c:371
 kill_bdev block/bdev.c:76 [inline]
 blkdev_flush_mapping+0x15a/0x2b0 block/bdev.c:630
 blkdev_put_whole block/bdev.c:661 [inline]
 blkdev_put+0x4a9/0x770 block/bdev.c:898
 ntfs3_kill_sb+0x44/0x1b0 fs/ntfs3/super.c:1728
 deactivate_locked_super+0xa4/0x110 fs/super.c:481
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 task_work_run+0x24a/0x300 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffffc9000582f180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000582f200: 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00 00 00 00
>ffffc9000582f280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                              ^
 ffffc9000582f300: 00 00 00 f3 f3 f3 f3 f3 f3 f3 f3 f3 00 00 00 00
 ffffc9000582f380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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