==================================================================
BUG: KASAN: stack-out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: stack-out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:257 [inline]
BUG: KASAN: stack-out-of-bounds in put_bh include/linux/buffer_head.h:320 [inline]
BUG: KASAN: stack-out-of-bounds in end_buffer_read_sync+0x5c/0x90 fs/buffer.c:160
Write of size 4 at addr ffffc9000a1bf9c8 by task ksoftirqd/1/21

CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.1.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:395
 kasan_report+0xbb/0x1f0 mm/kasan/report.c:495
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 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:320 [inline]
 end_buffer_read_sync+0x5c/0x90 fs/buffer.c:160
 end_bio_bh_io_sync+0xa9/0xf0 fs/buffer.c:2655
 req_bio_endio block/blk-mq.c:762 [inline]
 blk_update_request+0x31f/0x10b0 block/blk-mq.c:894
 blk_mq_end_request+0x46/0x70 block/blk-mq.c:1021
 blk_complete_reqs+0xa0/0xd0 block/blk-mq.c:1099
 __do_softirq+0x1f7/0xad8 kernel/softirq.c:571
 run_ksoftirqd kernel/softirq.c:934 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
 smpboot_thread_fn+0x548/0x8f0 kernel/smpboot.c:164
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc9000a1b8000, ffffc9000a1c1000) created by:
 kernel_clone+0xb8/0x710 kernel/fork.c:2671

The buggy address belongs to the physical page:
page:ffffea0001d69a40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x75a69
memcg:ffff88801c6b2282
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff ffff88801c6b2282
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 4005, tgid 4005 (syz-executor.0), ts 201665368403, free_ts 171275556378
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x10b5/0x2d50 mm/page_alloc.c:4288
 __alloc_pages+0x1c7/0x5a0 mm/page_alloc.c:5555
 vm_area_alloc_pages mm/vmalloc.c:2975 [inline]
 __vmalloc_area_node mm/vmalloc.c:3043 [inline]
 __vmalloc_node_range+0x6f7/0xff0 mm/vmalloc.c:3213
 alloc_thread_stack_node kernel/fork.c:311 [inline]
 dup_task_struct kernel/fork.c:974 [inline]
 copy_process+0x52d/0x6850 kernel/fork.c:2084
 kernel_clone+0xb8/0x710 kernel/fork.c:2671
 __do_sys_clone+0xa1/0xe0 kernel/fork.c:2812
 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+0x63/0xcd
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1459 [inline]
 free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1509
 free_unref_page_prepare mm/page_alloc.c:3387 [inline]
 free_unref_page+0x19/0x4d0 mm/page_alloc.c:3483
 kasan_depopulate_vmalloc_pte+0x5c/0x70 mm/kasan/shadow.c:372
 apply_to_pte_range mm/memory.c:2640 [inline]
 apply_to_pmd_range mm/memory.c:2684 [inline]
 apply_to_pud_range mm/memory.c:2720 [inline]
 apply_to_p4d_range mm/memory.c:2756 [inline]
 __apply_to_page_range+0x4fe/0xbc0 mm/memory.c:2790
 kasan_release_vmalloc+0xa7/0xc0 mm/kasan/shadow.c:486
 __purge_vmap_area_lazy+0x6e1/0x2270 mm/vmalloc.c:1770
 drain_vmap_area_work+0x49/0xc0 mm/vmalloc.c:1799
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Memory state around the buggy address:
 ffffc9000a1bf880: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000a1bf900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000a1bf980: 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00
                                              ^
 ffffc9000a1bfa00: 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00
 ffffc9000a1bfa80: 00 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 00 00 00
==================================================================