loop5: detected capacity change from 0 to 512
EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
==================================================================
BUG: KASAN: double-free or invalid-free in kfree+0x19e/0x220 mm/slub.c:4574

CPU: 0 PID: 30837 Comm: syz-executor.5 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 kasan_report_invalid_free+0x6b/0xa0 mm/kasan/report.c:370
 __kasan_kfree_large+0x82/0x90 mm/kasan/common.c:398
 kasan_kfree_large include/linux/kasan.h:201 [inline]
 kfree_hook mm/slub.c:1687 [inline]
 free_nonslab_page+0x3c/0xc0 mm/slub.c:3551
 kfree+0x19e/0x220 mm/slub.c:4574
 kvfree+0x35/0x40 mm/util.c:658
 ext4_xattr_move_to_block fs/ext4/xattr.c:2628 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline]
 ext4_expand_extra_isize_ea+0x1063/0x1bc0 fs/ext4/xattr.c:2783
 __ext4_expand_extra_isize+0x303/0x3f0 fs/ext4/inode.c:5859
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5902 [inline]
 __ext4_mark_inode_dirty+0x4af/0x7a0 fs/ext4/inode.c:5980
 ext4_inline_data_truncate+0x54a/0xd00 fs/ext4/inline.c:2013
 ext4_truncate+0x337/0xfa0 fs/ext4/inode.c:4232
 ext4_process_orphan+0x1d3/0x2f0 fs/ext4/orphan.c:339
 ext4_orphan_cleanup+0x93d/0x10a0 fs/ext4/orphan.c:474
 ext4_fill_super+0x8d67/0x9680 fs/ext4/super.c:4963
 mount_bdev+0x281/0x3b0 fs/super.c:1378
 ext4_mount+0x34/0x40 fs/ext4/super.c:6567
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:610
 vfs_get_tree+0x88/0x290 fs/super.c:1508
 do_new_mount+0x28b/0xac0 fs/namespace.c:2994
 path_mount+0x671/0x1070 fs/namespace.c:3324
 do_mount fs/namespace.c:3337 [inline]
 __do_sys_mount fs/namespace.c:3545 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3522
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3522
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f79357ab69a
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:00007f793451cf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000000042b RCX: 00007f79357ab69a
RDX: 0000000020000440 RSI: 0000000020000180 RDI: 00007f793451cfe0
RBP: 00007f793451d020 R08: 00007f793451d020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000440
R13: 0000000020000180 R14: 00007f793451cfe0 R15: 00000000200001c0
 </TASK>

The buggy address belongs to the page:
page:ffffea0005cd1e00 refcount:3 mapcount:0 mapping:ffff888109191d18 index:0x2 pfn:0x173478
memcg:ffff8881161e8000
aops:def_blk_aops ino:700005
flags: 0x400000000000202a(referenced|dirty|active|private|zone=1)
raw: 400000000000202a 0000000000000000 dead000000000122 ffff888109191d18
raw: 0000000000000002 ffff888169340a80 00000003ffffffff ffff8881161e8000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x108c48(GFP_NOFS|__GFP_NOFAIL|__GFP_HARDWALL|__GFP_MOVABLE), pid 30837, ts 1692496228097, free_ts 1692440969002
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2502
 prep_new_page mm/page_alloc.c:2508 [inline]
 get_page_from_freelist+0x2c14/0x2cf0 mm/page_alloc.c:4291
 __alloc_pages+0x386/0x7b0 mm/page_alloc.c:5569
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 __page_cache_alloc include/linux/pagemap.h:305 [inline]
 pagecache_get_page+0xb18/0xeb0 mm/filemap.c:1940
 find_or_create_page include/linux/pagemap.h:418 [inline]
 grow_dev_page fs/buffer.c:949 [inline]
 grow_buffers fs/buffer.c:1014 [inline]
 __getblk_slow fs/buffer.c:1041 [inline]
 __getblk_gfp+0x21e/0x7c0 fs/buffer.c:1336
 sb_getblk include/linux/buffer_head.h:361 [inline]
 __ext4_get_inode_loc+0x4ce/0xcd0 fs/ext4/inode.c:4352
 __ext4_get_inode_loc_noinmem fs/ext4/inode.c:4460 [inline]
 __ext4_iget+0x467/0x3e40 fs/ext4/inode.c:4665
 ext4_orphan_get+0x1e4/0x630 fs/ext4/ialloc.c:1393
 ext4_orphan_cleanup+0x7e6/0x10a0 fs/ext4/orphan.c:467
 ext4_fill_super+0x8d67/0x9680 fs/ext4/super.c:4963
 mount_bdev+0x281/0x3b0 fs/super.c:1378
 ext4_mount+0x34/0x40 fs/ext4/super.c:6567
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:610
 vfs_get_tree+0x88/0x290 fs/super.c:1508
 do_new_mount+0x28b/0xac0 fs/namespace.c:2994
 path_mount+0x671/0x1070 fs/namespace.c:3324
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1370 [inline]
 free_pcp_prepare mm/page_alloc.c:1442 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3441
 free_unref_page_list+0x15d/0x980 mm/page_alloc.c:3562
 release_pages+0x1310/0x1370 mm/swap.c:1009
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:320
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu mm/mmu_gather.c:247 [inline]
 tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338
 unmap_region+0x304/0x350 mm/mmap.c:2688
 __do_munmap+0x1421/0x1a90 mm/mmap.c:2920
 __vm_munmap+0x166/0x2a0 mm/mmap.c:2943
 __do_sys_munmap mm/mmap.c:2969 [inline]
 __se_sys_munmap mm/mmap.c:2965 [inline]
 __x64_sys_munmap+0x6b/0x80 mm/mmap.c:2965
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Memory state around the buggy address:
 ffff888173478180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888173478200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888173478280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                                                ^
 ffff888173478300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888173478380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs (loop5): 1 truncate cleaned up
EXT4-fs (loop5): mounted filesystem without journal. Opts: inode_readahead_blks=0x0000000000000000,nogrpid,debug_want_extra_isize=0x0000000000000046,dioread_nolock,max_batch_time=0x0000000000000008,resgid=0x0000000000000000,,errors=continue. Quota mode: writeback.