[syzbot] [hfs?] KASAN: invalid-free in hfs_release_folio

From: syzbot
Date: Sat Mar 04 2023 - 03:49:56 EST

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Hello,

syzbot found the following issue on:

HEAD commit: 982818426a0f Merge tag 'arm-fixes-6.3-1' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17e07e60c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=7dc345c19eeec583
dashboard link: https://syzkaller.appspot.com/bug?extid=9cfc27352679b68259f8
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: i386

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+9cfc27352679b68259f8@xxxxxxxxxxxxxxxxxxxxxxxxx

==================================================================
BUG: KASAN: double-free in slab_free mm/slub.c:3787 [inline]
BUG: KASAN: double-free in __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
Free of addr ffff88805136c100 by task kswapd0/101

CPU: 2 PID: 101 Comm: kswapd0 Not tainted 6.2.0-syzkaller-12765-g982818426a0f #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:319
print_report mm/kasan/report.c:430 [inline]
kasan_report_invalid_free+0xe8/0x100 mm/kasan/report.c:501
____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:3787 [inline]
__kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
hfs_release_folio+0x462/0x570 fs/hfs/inode.c:123
filemap_release_folio+0x13f/0x1b0 mm/filemap.c:4121
shrink_folio_list+0x1fe3/0x3c80 mm/vmscan.c:2010
evict_folios+0x794/0x1940 mm/vmscan.c:5121
try_to_shrink_lruvec+0x82c/0xb90 mm/vmscan.c:5297
shrink_one+0x46b/0x810 mm/vmscan.c:5341
shrink_many mm/vmscan.c:5394 [inline]
lru_gen_shrink_node mm/vmscan.c:5511 [inline]
shrink_node+0x2064/0x35f0 mm/vmscan.c:6459
kswapd_shrink_node mm/vmscan.c:7262 [inline]
balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7452
kswapd+0x70b/0x1000 mm/vmscan.c:7712
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>

Allocated by task 12074:
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:967 [inline]
__kmalloc+0x5a/0xd0 mm/slab_common.c:980
kmalloc include/linux/slab.h:584 [inline]
kzalloc include/linux/slab.h:720 [inline]
__hfs_bnode_create+0x107/0x820 fs/hfs/bnode.c:259
hfs_bnode_find+0x423/0xc60 fs/hfs/bnode.c:335
hfs_brec_find+0x299/0x500 fs/hfs/bfind.c:126
hfs_brec_read+0x25/0x120 fs/hfs/bfind.c:165
hfs_cat_find_brec+0x143/0x350 fs/hfs/catalog.c:194
hfs_fill_super+0xfbd/0x1480 fs/hfs/super.c:419
mount_bdev+0x351/0x410 fs/super.c:1371
legacy_get_tree+0x109/0x220 fs/fs_context.c:610
vfs_get_tree+0x8d/0x350 fs/super.c:1501
do_new_mount fs/namespace.c:3042 [inline]
path_mount+0x1342/0x1e40 fs/namespace.c:3372
do_mount fs/namespace.c:3385 [inline]
__do_sys_mount fs/namespace.c:3594 [inline]
__se_sys_mount fs/namespace.c:3571 [inline]
__ia32_sys_mount+0x282/0x300 fs/namespace.c:3571
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 5923:
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:3787 [inline]
__kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
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:491
kill_block_super+0x9b/0xf0 fs/super.c:1398
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+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_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

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:491
insert_work+0x48/0x350 kernel/workqueue.c:1361
__queue_work+0x693/0x1440 kernel/workqueue.c:1524
queue_work_on+0xf2/0x110 kernel/workqueue.c:1552
queue_work include/linux/workqueue.h:504 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:659 [inline]
netdevice_event+0x5e9/0x8f0 drivers/infiniband/core/roce_gid_mgmt.c:802
notifier_call_chain+0xb5/0x200 kernel/notifier.c:87
call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1937
call_netdevice_notifiers_extack net/core/dev.c:1975 [inline]
call_netdevice_notifiers net/core/dev.c:1989 [inline]
__dev_notify_flags+0x120/0x2d0 net/core/dev.c:8564
dev_change_flags+0x11b/0x170 net/core/dev.c:8602
do_setlink+0x9f4/0x3d30 net/core/rtnetlink.c:2833
__rtnl_newlink+0xd69/0x1840 net/core/rtnetlink.c:3623
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3670
rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6174
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942
sock_sendmsg_nosec net/socket.c:722 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:745
__sys_sendto+0x23a/0x340 net/socket.c:2145
__do_compat_sys_socketcall+0x62e/0x720 net/compat.c:474
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

The buggy address belongs to the object at ffff88805136c100
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes inside of
192-byte region [ffff88805136c100, ffff88805136c1c0)

The buggy address belongs to the physical page:
page:ffffea000144db00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5136c
flags: 0x4fff00000000200(slab|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000200 ffff888012442a00 ffffea00012e0480 dead000000000004
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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5181, tgid 5181 (syz-executor.0), ts 303442564425, free_ts 301948879419
prep_new_page mm/page_alloc.c:2552 [inline]
get_page_from_freelist+0x1190/0x2f80 mm/page_alloc.c:4325
__alloc_pages+0x1cb/0x5c0 mm/page_alloc.c:5591
alloc_pages+0x1aa/0x270 mm/mempolicy.c:2283
alloc_slab_page mm/slub.c:1851 [inline]
allocate_slab+0x25f/0x390 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]
__kmem_cache_alloc_node+0x136/0x330 mm/slub.c:3491
kmalloc_trace+0x26/0x60 mm/slab_common.c:1061
kmalloc include/linux/slab.h:580 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:643 [inline]
netdevice_event+0x368/0x8f0 drivers/infiniband/core/roce_gid_mgmt.c:802
notifier_call_chain+0xb5/0x200 kernel/notifier.c:87
call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1937
call_netdevice_notifiers_extack net/core/dev.c:1975 [inline]
call_netdevice_notifiers net/core/dev.c:1989 [inline]
dev_set_mac_address+0x2d7/0x3e0 net/core/dev.c:8786
dev_set_mac_address_user+0x31/0x50 net/core/dev.c:8800
do_setlink+0x1af3/0x3d30 net/core/rtnetlink.c:2781
__rtnl_newlink+0xd69/0x1840 net/core/rtnetlink.c:3623
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3670
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1453 [inline]
free_pcp_prepare+0x668/0xb50 mm/page_alloc.c:1503
free_unref_page_prepare mm/page_alloc.c:3387 [inline]
free_unref_page+0x1d/0x490 mm/page_alloc.c:3482
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x192/0x220 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x63/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:769 [inline]
slab_alloc_node mm/slub.c:3452 [inline]
__kmem_cache_alloc_node+0x17c/0x330 mm/slub.c:3491
kmalloc_trace+0x26/0x60 mm/slab_common.c:1061
kmalloc include/linux/slab.h:580 [inline]
netdev_name_node_alloc net/core/dev.c:259 [inline]
netdev_name_node_head_alloc net/core/dev.c:273 [inline]
register_netdevice+0x40a/0x1640 net/core/dev.c:9968
veth_newlink+0x4ec/0x9c0 drivers/net/veth.c:1837
rtnl_newlink_create net/core/rtnetlink.c:3440 [inline]
__rtnl_newlink+0x10c2/0x1840 net/core/rtnetlink.c:3657
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3670
rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6174
netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574
netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942
sock_sendmsg_nosec net/socket.c:722 [inline]
sock_sendmsg+0xde/0x190 net/socket.c:745

Memory state around the buggy address:
ffff88805136c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88805136c080: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88805136c100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88805136c180: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff88805136c200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

---
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Next message: Uros Bizjak: "Re: [PATCH v3 2/3] ring_buffer: Change some static functions to bool"
Previous message: Svyatoslav Ryhel: "[PATCH v2 5/5] tegra30: peripherals: add 266.5MHz nodes"
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