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BUG: KASAN: use-after-free in __lock_acquire+0x77/0x1f80
Read of size 8 at addr ffff88806b8a9388 by task syz-executor.0/7322

CPU: 0 PID: 7322 Comm: syz-executor.0 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x1b5/0x2a0
 print_report+0x163/0x4c0
 kasan_report+0xce/0x100
 __lock_acquire+0x77/0x1f80
 lock_acquire+0x20b/0x600
 _raw_write_lock+0x2e/0x40
 __update_extent_tree_range+0x431/0x1d50
 f2fs_update_read_extent_cache+0x41e/0x590
 f2fs_outplace_write_data+0x200/0x3d0
 f2fs_do_write_data_page+0x1393/0x27c0
 f2fs_write_single_data_page+0x14c1/0x2140
 f2fs_write_data_pages+0x1948/0x2ed0
 do_writepages+0x3a6/0x660
 filemap_fdatawrite_wbc+0x125/0x180
 file_write_and_wait_range+0x21f/0x320
 f2fs_do_sync_file+0x7b6/0x1de0
 f2fs_file_write_iter+0x7fc/0x2c20
 vfs_write+0x7dd/0xc50
 ksys_write+0x17c/0x2a0
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f31c3c8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f31c4a31168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f31c3dabf80 RCX: 00007f31c3c8c0c9
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
RBP: 00007f31c3ce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd506629af R14: 00007f31c4a31300 R15: 0000000000022000
 </TASK>

Allocated by task 7322:
 kasan_set_track+0x40/0x70
 __kasan_slab_alloc+0x69/0x80
 slab_post_alloc_hook+0x68/0x390
 kmem_cache_alloc+0x12c/0x280
 __grab_extent_tree+0x183/0x400
 f2fs_init_extent_tree+0x214/0x450
 f2fs_new_inode+0xdb4/0x1090
 __f2fs_tmpfile+0xa5/0x380
 f2fs_ioc_start_atomic_write+0x419/0x970
 __f2fs_ioctl+0x1ace/0xb2b0
 __se_sys_ioctl+0xf1/0x160
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 7327:
 kasan_set_track+0x40/0x70
 kasan_save_free_info+0x2b/0x40
 ____kasan_slab_free+0xd6/0x120
 kmem_cache_free+0x2b5/0x580
 __destroy_extent_tree+0x311/0x720
 f2fs_destroy_extent_tree+0x17/0x30
 f2fs_evict_inode+0x467/0x1650
 evict+0x2a4/0x620
 f2fs_abort_atomic_write+0xda/0x440
 __f2fs_ioctl+0x315c/0xb2b0
 __se_sys_ioctl+0xf1/0x160
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88806b8a9340
 which belongs to the cache f2fs_extent_tree of size 144
The buggy address is located 72 bytes inside of
 144-byte region [ffff88806b8a9340, ffff88806b8a93d0)

The buggy address belongs to the physical page:
page:ffffea0001ae2a40 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88806b8a99c0 pfn:0x6b8a9
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffff88801bcef8c0 ffffea0001aa2980 0000000000000002
raw: ffff88806b8a99c0 0000000080130012 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x112c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 6464, tgid 6463 (syz-executor.0), ts 110100758063, free_ts 13712936475
 get_page_from_freelist+0x3403/0x3580
 __alloc_pages+0x291/0x7e0
 alloc_slab_page+0x6a/0x160
 new_slab+0x84/0x2f0
 ___slab_alloc+0xa07/0x1000
 kmem_cache_alloc+0x1b0/0x280
 __grab_extent_tree+0x183/0x400
 f2fs_init_extent_tree+0x214/0x450
 f2fs_new_inode+0xdb4/0x1090
 __f2fs_tmpfile+0xa5/0x380
 f2fs_ioc_start_atomic_write+0x419/0x970
 __f2fs_ioctl+0x1ace/0xb2b0
 __se_sys_ioctl+0xf1/0x160
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
 free_unref_page_prepare+0xf3a/0x1040
 free_unref_page+0x37/0x3f0
 free_contig_range+0x9e/0x150
 destroy_args+0x102/0x930
 debug_vm_pgtable+0x446/0x4b0
 do_one_initcall+0x292/0xa20
 do_initcall_level+0x157/0x210
 do_initcalls+0x3f/0x80
 kernel_init_freeable+0x42e/0x5e0
 kernel_init+0x1d/0x2a0
 ret_from_fork+0x1f/0x30

Memory state around the buggy address:
 ffff88806b8a9280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806b8a9300: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
>ffff88806b8a9380: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
                      ^
 ffff88806b8a9400: fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88806b8a9480: fb fb fb fb fc fc fc fc fc fc fc fc fb fb fb fb
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