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BUG: KASAN: out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:257 [inline]
BUG: KASAN: out-of-bounds in put_bh include/linux/buffer_head.h:323 [inline]
BUG: KASAN: out-of-bounds in end_buffer_read_sync+0xc1/0xd0 fs/buffer.c:161
Write of size 4 at addr ffffc9000afd77e0 by task ksoftirqd/0/15

CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.3.0-rc2-syzkaller-00016-g4979bf866825 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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:319 [inline]
 print_report+0x163/0x540 mm/kasan/report.c:430
 kasan_report+0x176/0x1b0 mm/kasan/report.c:536
 kasan_check_range+0x283/0x290 mm/kasan/generic.c:187
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_dec include/linux/atomic/atomic-instrumented.h:257 [inline]
 put_bh include/linux/buffer_head.h:323 [inline]
 end_buffer_read_sync+0xc1/0xd0 fs/buffer.c:161
 end_bio_bh_io_sync+0xb7/0x110 fs/buffer.c:2703
 req_bio_endio block/blk-mq.c:795 [inline]
 blk_update_request+0x4d7/0xfe0 block/blk-mq.c:927
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1054
 blk_complete_reqs block/blk-mq.c:1132 [inline]
 blk_done_softirq+0xfc/0x150 block/blk-mq.c:1137
 __do_softirq+0x2cf/0x9dc kernel/softirq.c:571
 run_ksoftirqd+0xc5/0x120 kernel/softirq.c:934
 smpboot_thread_fn+0x533/0x9f0 kernel/smpboot.c:164
 kthread+0x270/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc9000afd0000, ffffc9000afd9000) created by:
 copy_process+0x5bd/0x3fc0 kernel/fork.c:2100

The buggy address belongs to the physical page:
page:ffffea00007f1000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1fc40
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 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 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 5137, tgid 5137 (syz-executor.0), ts 691634668988, free_ts 691311517079
 prep_new_page mm/page_alloc.c:2552 [inline]
 get_page_from_freelist+0x3507/0x3690 mm/page_alloc.c:4325
 __alloc_pages+0x291/0x760 mm/page_alloc.c:5591
 vm_area_alloc_pages mm/vmalloc.c:2943 [inline]
 __vmalloc_area_node mm/vmalloc.c:3011 [inline]
 __vmalloc_node_range+0x959/0x12f0 mm/vmalloc.c:3181
 alloc_thread_stack_node kernel/fork.c:311 [inline]
 dup_task_struct+0x3e5/0x750 kernel/fork.c:984
 copy_process+0x5bd/0x3fc0 kernel/fork.c:2100
 kernel_clone+0x22f/0x940 kernel/fork.c:2684
 __do_sys_clone kernel/fork.c:2825 [inline]
 __se_sys_clone kernel/fork.c:2809 [inline]
 __x64_sys_clone+0x235/0x280 kernel/fork.c:2809
 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:1453 [inline]
 free_pcp_prepare mm/page_alloc.c:1503 [inline]
 free_unref_page_prepare+0xeb2/0xef0 mm/page_alloc.c:3387
 free_unref_page_list+0x628/0x8c0 mm/page_alloc.c:3528
 release_pages+0x219e/0x2470 mm/swap.c:1042
 __pagevec_release+0x84/0x100 mm/swap.c:1062
 pagevec_release include/linux/pagevec.h:63 [inline]
 folio_batch_release include/linux/pagevec.h:132 [inline]
 invalidate_mapping_pagevec+0x515/0x640 mm/truncate.c:536
 ntfs_loadlog_and_replay+0x33c/0x530 fs/ntfs3/fsntfs.c:329
 ntfs_fill_super+0x2707/0x47f0 fs/ntfs3/super.c:1053
 get_tree_bdev+0x402/0x620 fs/super.c:1294
 vfs_get_tree+0x8c/0x270 fs/super.c:1501
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 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

Memory state around the buggy address:
 ffffc9000afd7680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000afd7700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000afd7780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                                          ^
 ffffc9000afd7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000afd7880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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