loop1: detected capacity change from 0 to 2048
==================================================================
BUG: KASAN: slab-out-of-bounds in nilfs_iget_test+0x3e4/0x440 fs/nilfs2/inode.c:544
Read of size 8 at addr ffff888087b83598 by task syz-executor.1/845

CPU: 1 PID: 845 Comm: syz-executor.1 Not tainted 6.2.0-rc5-syzkaller-00020-g7bf70dbb1882 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:306 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:417
 kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
 nilfs_iget_test+0x3e4/0x440 fs/nilfs2/inode.c:544
 find_inode+0xe4/0x220 fs/inode.c:915
 ilookup5_nowait fs/inode.c:1428 [inline]
 ilookup5 fs/inode.c:1457 [inline]
 iget5_locked+0xb5/0x2c0 fs/inode.c:1238
 nilfs_iget_locked+0xa4/0xe0 fs/nilfs2/inode.c:605
 nilfs_dat_read+0x88/0x370 fs/nilfs2/dat.c:490
 nilfs_load_super_root fs/nilfs2/the_nilfs.c:121 [inline]
 load_nilfs+0x36c/0x1320 fs/nilfs2/the_nilfs.c:302
 nilfs_fill_super fs/nilfs2/super.c:1059 [inline]
 nilfs_mount+0xa9e/0xfc0 fs/nilfs2/super.c:1315
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
 do_new_mount fs/namespace.c:3145 [inline]
 path_mount+0x132a/0x1e20 fs/namespace.c:3475
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount fs/namespace.c:3674 [inline]
 __x64_sys_mount+0x283/0x300 fs/namespace.c:3674
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff93f08d5fa
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007ff93fd61f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000a07 RCX: 00007ff93f08d5fa
RDX: 0000000020000a40 RSI: 0000000020000a80 RDI: 00007ff93fd61fe0
RBP: 00007ff93fd62020 R08: 00007ff93fd62020 R09: 0000000001000808
R10: 0000000001000808 R11: 0000000000000202 R12: 0000000020000a40
R13: 0000000020000a80 R14: 00007ff93fd61fe0 R15: 0000000020000080
 </TASK>

Allocated by task 5870:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x82/0x90 mm/kasan/common.c:325
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:761 [inline]
 slab_alloc_node mm/slub.c:3452 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc_lru+0x26d/0x760 mm/slub.c:3483
 alloc_inode_sb include/linux/fs.h:3119 [inline]
 f2fs_alloc_inode+0xfe/0x5d0 fs/f2fs/super.c:1380
 alloc_inode+0x61/0x230 fs/inode.c:259
 iget_locked+0x1bb/0x700 fs/inode.c:1286
 f2fs_iget+0x5d/0x5770 fs/f2fs/inode.c:508
 f2fs_fill_super+0x3dbd/0x7680 fs/f2fs/super.c:4361
 mount_bdev+0x351/0x410 fs/super.c:1359
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
 do_new_mount fs/namespace.c:3145 [inline]
 path_mount+0x132a/0x1e20 fs/namespace.c:3475
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount fs/namespace.c:3674 [inline]
 __x64_sys_mount+0x283/0x300 fs/namespace.c:3674
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:488
 __call_rcu_common.constprop.0+0x99/0x820 kernel/rcu/tree.c:2755
 destroy_inode+0x129/0x1b0 fs/inode.c:314
 iput_final fs/inode.c:1747 [inline]
 iput.part.0+0x59b/0x880 fs/inode.c:1773
 iput+0x5c/0x80 fs/inode.c:1763
 f2fs_fill_super+0x455d/0x7680 fs/f2fs/super.c:4544
 mount_bdev+0x351/0x410 fs/super.c:1359
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
 do_new_mount fs/namespace.c:3145 [inline]
 path_mount+0x132a/0x1e20 fs/namespace.c:3475
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount fs/namespace.c:3674 [inline]
 __x64_sys_mount+0x283/0x300 fs/namespace.c:3674
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff888087b82cb0
 which belongs to the cache f2fs_inode_cache of size 2160
The buggy address is located 120 bytes to the right of
 2160-byte region [ffff888087b82cb0, ffff888087b83520)

The buggy address belongs to the physical page:
page:ffffea00021ee000 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888087b80000 pfn:0x87b80
head:ffffea00021ee000 order:3 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
memcg:ffff888067497e01
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffff88801c34b500 dead000000000122 0000000000000000
raw: ffff888087b80000 00000000800e000b 00000001ffffffff ffff888067497e01
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 5774, tgid 5772 (syz-executor.3), ts 407174815503, free_ts 0
 prep_new_page mm/page_alloc.c:2531 [inline]
 get_page_from_freelist+0x119c/0x2ce0 mm/page_alloc.c:4283
 __alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5549
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2286
 alloc_slab_page mm/slub.c:1851 [inline]
 allocate_slab+0x25f/0x350 mm/slub.c:1998
 new_slab mm/slub.c:2051 [inline]
 ___slab_alloc+0xa91/0x1400 mm/slub.c:3193
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc_lru+0x4dc/0x760 mm/slub.c:3483
 alloc_inode_sb include/linux/fs.h:3119 [inline]
 f2fs_alloc_inode+0xfe/0x5d0 fs/f2fs/super.c:1380
 alloc_inode+0x61/0x230 fs/inode.c:259
 iget_locked+0x1bb/0x700 fs/inode.c:1286
 f2fs_iget+0x5d/0x5770 fs/f2fs/inode.c:508
 f2fs_fill_super+0x338e/0x7680 fs/f2fs/super.c:4259
 mount_bdev+0x351/0x410 fs/super.c:1359
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x2f0 fs/super.c:1489
 do_new_mount fs/namespace.c:3145 [inline]
 path_mount+0x132a/0x1e20 fs/namespace.c:3475
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888087b83480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888087b83500: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888087b83580: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00
                            ^
 ffff888087b83600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888087b83680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================