==================================================================
BUG: KASAN: slab-use-after-free in sanity_check_extent_cache+0x300/0x390 fs/f2fs/extent_cache.c:46
Read of size 4 at addr ffff0000dbeed080 by task syz-executor.0/6733

CPU: 1 PID: 6733 Comm: syz-executor.0 Tainted: G        W          6.10.0-rc2-syzkaller-00003-g8867bbd4a056 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x198/0x538 mm/kasan/report.c:488
 kasan_report+0xd8/0x138 mm/kasan/report.c:601
 __asan_report_load4_noabort+0x20/0x2c mm/kasan/report_generic.c:380
 sanity_check_extent_cache+0x300/0x390 fs/f2fs/extent_cache.c:46
 do_read_inode fs/f2fs/inode.c:515 [inline]
 f2fs_iget+0x2e30/0x46c4 fs/f2fs/inode.c:566
 f2fs_nfs_get_inode+0x80/0x118 fs/f2fs/super.c:3265
 generic_fh_to_dentry+0x9c/0x104 fs/libfs.c:1456
 f2fs_fh_to_dentry+0x44/0x58 fs/f2fs/super.c:3279
 exportfs_decode_fh_raw+0x128/0x4ac fs/exportfs/expfs.c:444
 exportfs_decode_fh+0x50/0x80 fs/exportfs/expfs.c:584
 do_handle_to_path fs/fhandle.c:155 [inline]
 handle_to_path fs/fhandle.c:210 [inline]
 do_handle_open+0x534/0x718 fs/fhandle.c:226
 __do_sys_open_by_handle_at fs/fhandle.c:267 [inline]
 __se_sys_open_by_handle_at fs/fhandle.c:258 [inline]
 __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:258
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Allocated by task 6700:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:565
 unpoison_slab_object mm/kasan/common.c:312 [inline]
 __kasan_slab_alloc+0x74/0x8c mm/kasan/common.c:338
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3940 [inline]
 slab_alloc_node mm/slub.c:4000 [inline]
 kmem_cache_alloc_noprof+0x1c0/0x350 mm/slub.c:4007
 f2fs_kmem_cache_alloc_nofail fs/f2fs/f2fs.h:2815 [inline]
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2825 [inline]
 __grab_extent_tree+0x188/0x40c fs/f2fs/extent_cache.c:334
 f2fs_init_read_extent_tree+0x3b4/0x85c fs/f2fs/extent_cache.c:405
 do_read_inode fs/f2fs/inode.c:512 [inline]
 f2fs_iget+0x2e20/0x46c4 fs/f2fs/inode.c:566
 f2fs_nfs_get_inode+0x80/0x118 fs/f2fs/super.c:3265
 generic_fh_to_dentry+0x9c/0x104 fs/libfs.c:1456
 f2fs_fh_to_dentry+0x44/0x58 fs/f2fs/super.c:3279
 exportfs_decode_fh_raw+0x128/0x4ac fs/exportfs/expfs.c:444
 exportfs_decode_fh+0x50/0x80 fs/exportfs/expfs.c:584
 do_handle_to_path fs/fhandle.c:155 [inline]
 handle_to_path fs/fhandle.c:210 [inline]
 do_handle_open+0x534/0x718 fs/fhandle.c:226
 __do_sys_open_by_handle_at fs/fhandle.c:267 [inline]
 __se_sys_open_by_handle_at fs/fhandle.c:258 [inline]
 __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:258
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Freed by task 6700:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x40/0x78 mm/kasan/common.c:68
 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:579
 poison_slab_object+0x128/0x180 mm/kasan/common.c:240
 __kasan_slab_free+0x3c/0x70 mm/kasan/common.c:256
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2195 [inline]
 slab_free mm/slub.c:4436 [inline]
 kmem_cache_free+0x178/0x4e4 mm/slub.c:4511
 __destroy_extent_tree+0x318/0x740 fs/f2fs/extent_cache.c:1132
 f2fs_destroy_extent_tree+0x24/0x40 fs/f2fs/extent_cache.c:1143
 f2fs_evict_inode+0x3d8/0x14f4 fs/f2fs/inode.c:837
 evict+0x260/0x68c fs/inode.c:667
 iput_final fs/inode.c:1741 [inline]
 iput+0x760/0x844 fs/inode.c:1767
 iget_failed+0xec/0x134 fs/bad_inode.c:248
 f2fs_iget+0x185c/0x46c4 fs/f2fs/inode.c:627
 f2fs_nfs_get_inode+0x80/0x118 fs/f2fs/super.c:3265
 generic_fh_to_dentry+0x9c/0x104 fs/libfs.c:1456
 f2fs_fh_to_dentry+0x44/0x58 fs/f2fs/super.c:3279
 exportfs_decode_fh_raw+0x128/0x4ac fs/exportfs/expfs.c:444
 exportfs_decode_fh+0x50/0x80 fs/exportfs/expfs.c:584
 do_handle_to_path fs/fhandle.c:155 [inline]
 handle_to_path fs/fhandle.c:210 [inline]
 do_handle_open+0x534/0x718 fs/fhandle.c:226
 __do_sys_open_by_handle_at fs/fhandle.c:267 [inline]
 __se_sys_open_by_handle_at fs/fhandle.c:258 [inline]
 __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:258
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

The buggy address belongs to the object at ffff0000dbeed000
 which belongs to the cache f2fs_extent_tree of size 144
The buggy address is located 128 bytes inside of
 freed 144-byte region [ffff0000dbeed000, ffff0000dbeed090)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11beed
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
page_type: 0xffffefff(slab)
raw: 05ffc00000000000 ffff0000c4f28640 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080130013 00000001ffffefff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000dbeecf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000dbeed000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000dbeed080: fb fb fc fc fc fc fc fc fc fc 00 00 00 00 00 00
                   ^
 ffff0000dbeed100: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
 ffff0000dbeed180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
F2FS-fs (loop0): sanity_check_extent_cache: inode (ino=8) extent info [5634, 0, 3] is incorrect, run fsck to fix