BUG: KASAN: use-after-free in hfsplus_release_folio+0x554/0x5f0 fs/hfsplus/inode.c:92
Read of size 4 at addr ffff88805f436038 by task syz-executor.3/24260

CPU: 0 PID: 24260 Comm: syz-executor.3 Not tainted 6.2.0-rc7-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
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/0x461 mm/kasan/report.c:417
 kasan_report+0xbf/0x1f0 mm/kasan/report.c:517
 hfsplus_release_folio+0x554/0x5f0 fs/hfsplus/inode.c:92
 filemap_release_folio+0x13f/0x1b0 mm/filemap.c:3967
 block_invalidate_folio+0x4dc/0x5e0 fs/buffer.c:1526
 folio_invalidate mm/truncate.c:159 [inline]
 truncate_cleanup_folio+0x31a/0x3f0 mm/truncate.c:179
 truncate_inode_pages_range+0x238/0xec0 mm/truncate.c:368
 hfsplus_evict_inode+0x1a/0xe0 fs/hfsplus/super.c:168
 evict+0x2ed/0x6b0 fs/inode.c:664
 iput_final fs/inode.c:1747 [inline]
 iput.part.0+0x59b/0x880 fs/inode.c:1773
 iput+0x5c/0x80 fs/inode.c:1763
 hfsplus_put_super+0x274/0x3f0 fs/hfsplus/super.c:302
 generic_shutdown_super+0x158/0x410 fs/super.c:492
 kill_block_super+0x9b/0xf0 fs/super.c:1386
 deactivate_locked_super+0x98/0x160 fs/super.c:332
 deactivate_super+0xb1/0xd0 fs/super.c:363
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1291
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcab4e8d537
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 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:00007ffd8b6a7258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcab4e8d537
RDX: 00007ffd8b6a732b RSI: 000000000000000a RDI: 00007ffd8b6a7320
RBP: 00007ffd8b6a7320 R08: 00000000ffffffff R09: 00007ffd8b6a70f0
R10: 000055555685c8b3 R11: 0000000000000246 R12: 00007fcab4ee6b24
R13: 00007ffd8b6a83e0 R14: 000055555685c810 R15: 00007ffd8b6a8420
 </TASK>

Allocated by task 27212:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:371 [inline]
 ____kasan_kmalloc mm/kasan/common.c:330 [inline]
 __kasan_kmalloc+0xa3/0xb0 mm/kasan/common.c:380
 kmalloc include/linux/slab.h:580 [inline]
 kzalloc include/linux/slab.h:720 [inline]
 hfsplus_btree_open+0x52/0xcd0 fs/hfsplus/btree.c:142
 hfsplus_fill_super+0xae5/0x1a30 fs/hfsplus/super.c:473
 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

Freed by task 24260:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:518
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x13b/0x1a0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:177 [inline]
 __cache_free mm/slab.c:3396 [inline]
 __do_kmem_cache_free mm/slab.c:3582 [inline]
 __kmem_cache_free+0xcd/0x3b0 mm/slab.c:3589
 hfsplus_btree_close+0x1e5/0x380 fs/hfsplus/btree.c:280
 hfsplus_put_super+0x224/0x3f0 fs/hfsplus/super.c:300
 generic_shutdown_super+0x158/0x410 fs/super.c:492
 kill_block_super+0x9b/0xf0 fs/super.c:1386
 deactivate_locked_super+0x98/0x160 fs/super.c:332
 deactivate_super+0xb1/0xd0 fs/super.c:363
 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1291
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88805f436000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 56 bytes inside of
 4096-byte region [ffff88805f436000, ffff88805f437000)

The buggy address belongs to the physical page:
page:ffffea00017d0d80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5f436
head:ffffea00017d0d80 order:1 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
flags: 0x4fff00000010200(slab|head|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000010200 ffff888012440900 ffffea00019e4490 ffffea0001aaef90
raw: 0000000000000000 ffff88805f436000 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0x140cc0(GFP_USER|__GFP_COMP), pid 27212, tgid 27211 (syz-executor.3), ts 3549492249722, free_ts 3549368168089
 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_node include/linux/gfp.h:237 [inline]
 kmem_getpages mm/slab.c:1363 [inline]
 cache_grow_begin+0x94/0x390 mm/slab.c:2576
 fallback_alloc+0x1e2/0x2d0 mm/slab.c:3119
 __do_cache_alloc mm/slab.c:3223 [inline]
 slab_alloc_node mm/slab.c:3256 [inline]
 __kmem_cache_alloc_node+0x174/0x510 mm/slab.c:3546
 kmalloc_trace+0x26/0x60 mm/slab_common.c:1062
 kmalloc include/linux/slab.h:580 [inline]
 kzalloc include/linux/slab.h:720 [inline]
 hfsplus_btree_open+0x52/0xcd0 fs/hfsplus/btree.c:142
 hfsplus_fill_super+0xae5/0x1a30 fs/hfsplus/super.c:473
 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
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1446 [inline]
 free_pcp_prepare+0x65c/0xc00 mm/page_alloc.c:1496
 free_unref_page_prepare mm/page_alloc.c:3369 [inline]
 free_unref_page+0x1d/0x490 mm/page_alloc.c:3464
 slab_destroy mm/slab.c:1619 [inline]
 slabs_destroy+0x85/0xc0 mm/slab.c:1639
 __cache_free_alien mm/slab.c:774 [inline]
 cache_free_alien mm/slab.c:790 [inline]
 ___cache_free+0x204/0x3d0 mm/slab.c:3423
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x4f/0x1a0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x192/0x220 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x63/0x90 mm/kasan/common.c:302
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:761 [inline]
 slab_alloc_node mm/slab.c:3263 [inline]
 slab_alloc mm/slab.c:3272 [inline]
 __kmem_cache_alloc_lru mm/slab.c:3449 [inline]
 kmem_cache_alloc+0x225/0x460 mm/slab.c:3458
 getname_flags.part.0+0x50/0x4f0 fs/namei.c:139
 getname_flags+0x9e/0xe0 include/linux/audit.h:320
 getname fs/namei.c:218 [inline]
 __do_sys_unlinkat fs/namei.c:4362 [inline]
 __se_sys_unlinkat fs/namei.c:4356 [inline]
 __x64_sys_unlinkat+0xe4/0x130 fs/namei.c:4356
 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

Memory state around the buggy address:
 ffff88805f435f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88805f435f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88805f436000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                        ^
 ffff88805f436080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88805f436100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================