BUG: KASAN: double-free in slab_free mm/slub.c:3786 [inline]
BUG: KASAN: double-free in __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3799
Free of addr ffff8880001a9000 by task syz-executor.1/5171
CPU: 0 PID: 5171 Comm: syz-executor.1 Not tainted 6.4.0-rc2-syzkaller-00163-g2d1bcbc6cd70 #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+0xd9/0x150 lib/dump_stack.c:106
print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351
print_report mm/kasan/report.c:462 [inline]
kasan_report_invalid_free+0xe8/0x100 mm/kasan/report.c:537
____kasan_slab_free+0x185/0x1c0 mm/kasan/common.c:225
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
slab_free mm/slub.c:3786 [inline]
__kmem_cache_free+0xaf/0x2d0 mm/slub.c:3799
hfs_btree_close+0xab/0x390 fs/hfs/btree.c:154
hfs_mdb_put+0xbf/0x380 fs/hfs/mdb.c:360
generic_shutdown_super+0x158/0x480 fs/super.c:500
kill_block_super+0xa1/0x100 fs/super.c:1407
deactivate_locked_super+0x98/0x160 fs/super.c:331
deactivate_super+0xb1/0xd0 fs/super.c:362
cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177
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+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f5b579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ffd10f9c EFLAGS: 00000296 ORIG_RAX: 0000000000000034
RAX: 0000000000000000 RBX: 00000000ffd11040 RCX: 000000000000000a
RDX: 00000000f734e000 RSI: 0000000000000000 RDI: 00000000f72a2535
RBP: 00000000ffd11040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Allocated by task 7855:
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:374 [inline]
____kasan_kmalloc mm/kasan/common.c:333 [inline]
__kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
kasan_kmalloc include/linux/kasan.h:196 [inline]
__do_kmalloc_node mm/slab_common.c:966 [inline]
__kmalloc+0x5e/0x190 mm/slab_common.c:979
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:680 [inline]
__hfs_bnode_create+0x107/0x820 fs/hfs/bnode.c:259
hfs_bnode_create+0x181/0x530 fs/hfs/bnode.c:425
hfs_bmap_alloc+0x6f4/0x800 fs/hfs/btree.c:291
hfs_bnode_split+0xd8/0xda0 fs/hfsplus/brec.c:245
hfs_brec_insert+0x2a6/0xbc0 fs/hfs/brec.c:102
hfs_cat_create+0x3ef/0xaa0 fs/hfs/catalog.c:118
hfs_create+0x6b/0xf0 fs/hfs/dir.c:202
lookup_open.isra.0+0x105a/0x1400 fs/namei.c:3492
open_last_lookups fs/namei.c:3560 [inline]
path_openat+0x975/0x2750 fs/namei.c:3788
do_filp_open+0x1ba/0x410 fs/namei.c:3818
do_sys_openat2+0x16d/0x4c0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_creat fs/open.c:1448 [inline]
__se_sys_creat fs/open.c:1442 [inline]
__ia32_sys_creat+0xcc/0x120 fs/open.c:1442
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
Freed by task 113:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
slab_free mm/slub.c:3786 [inline]
__kmem_cache_free+0xaf/0x2d0 mm/slub.c:3799
hfs_release_folio+0x462/0x570 fs/hfs/inode.c:123
filemap_release_folio+0x13f/0x1b0 mm/filemap.c:4118
shrink_folio_list+0x2f51/0x3dc0 mm/vmscan.c:2076
evict_folios+0x794/0x1940 mm/vmscan.c:5157
try_to_shrink_lruvec+0x82c/0xb90 mm/vmscan.c:5333
shrink_one+0x462/0x710 mm/vmscan.c:5377
shrink_many mm/vmscan.c:5429 [inline]
lru_gen_shrink_node mm/vmscan.c:5546 [inline]
shrink_node+0x1fd5/0x3500 mm/vmscan.c:6487
kswapd_shrink_node mm/vmscan.c:7287 [inline]
balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7477
kswapd+0x677/0xd60 mm/vmscan.c:7737
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
The buggy address belongs to the object at ffff8880001a9000
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes inside of
192-byte region [ffff8880001a9000, ffff8880001a90c0)
The buggy address belongs to the physical page:
page:ffffea0000006a40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a9
ksm flags: 0x7ff00000000200(slab|node=0|zone=0|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 007ff00000000200 ffff888012442a00 ffffea00006a7e00 dead000000000003
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 7100, tgid 7099 (syz-executor.0), ts 206502934208, free_ts 205195459299
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x2db/0x350 mm/page_alloc.c:1731
prep_new_page mm/page_alloc.c:1738 [inline]
get_page_from_freelist+0xf41/0x2c00 mm/page_alloc.c:3502
__alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4768
__alloc_pages_node include/linux/gfp.h:237 [inline]
alloc_slab_page mm/slub.c:1853 [inline]
allocate_slab+0xa7/0x390 mm/slub.c:1998
new_slab mm/slub.c:2051 [inline]
___slab_alloc+0xa91/0x1400 mm/slub.c:3192
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3291
__slab_alloc_node mm/slub.c:3344 [inline]
slab_alloc_node mm/slub.c:3441 [inline]
__kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3490
__do_kmalloc_node mm/slab_common.c:965 [inline]
__kmalloc_node+0x51/0x1a0 mm/slab_common.c:973
kmalloc_array_node include/linux/slab.h:657 [inline]
kcalloc_node include/linux/slab.h:662 [inline]
memcg_alloc_slab_cgroups+0x8f/0x150 mm/memcontrol.c:2928
memcg_slab_post_alloc_hook+0xa9/0x390 mm/slab.h:491
slab_post_alloc_hook mm/slab.h:719 [inline]
slab_alloc_node mm/slub.c:3451 [inline]
slab_alloc mm/slub.c:3459 [inline]
__kmem_cache_alloc_lru mm/slub.c:3466 [inline]
kmem_cache_alloc+0x1af/0x3b0 mm/slub.c:3475
kmem_cache_zalloc include/linux/slab.h:670 [inline]
alloc_buffer_head+0x24/0x150 fs/buffer.c:2974
folio_alloc_buffers+0x2f2/0x810 fs/buffer.c:871
folio_create_empty_buffers+0x2c/0x470 fs/buffer.c:1606
ext4_block_write_begin+0xb9c/0xde0 fs/ext4/inode.c:1040
ext4_da_write_begin+0x407/0x8c0 fs/ext4/inode.c:2918
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1302 [inline]
free_unref_page_prepare+0x62e/0xcb0 mm/page_alloc.c:2564
free_unref_page+0x33/0x370 mm/page_alloc.c:2659
__folio_put_small mm/swap.c:106 [inline]
__folio_put+0xc5/0x140 mm/swap.c:129
folio_put include/linux/mm.h:1430 [inline]
put_page include/linux/mm.h:1499 [inline]
free_page_and_swap_cache+0x257/0x2c0 mm/swap_state.c:305
__tlb_remove_table arch/x86/include/asm/tlb.h:34 [inline]
__tlb_remove_table_free mm/mmu_gather.c:153 [inline]
tlb_remove_table_rcu+0x89/0xe0 mm/mmu_gather.c:208
rcu_do_batch kernel/rcu/tree.c:2115 [inline]
rcu_core+0x806/0x1ad0 kernel/rcu/tree.c:2377
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
Memory state around the buggy address:
ffff8880001a8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8880001a8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880001a9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880001a9080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff8880001a9100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 retq
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi