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BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3536 [inline]
BUG: KASAN: double-free or invalid-free in kfree+0xd6/0x4d0 mm/slub.c:4584

CPU: 0 PID: 11656 Comm: syz-executor.2 Not tainted 5.19.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313
 print_report mm/kasan/report.c:429 [inline]
 kasan_report_invalid_free.cold+0x71/0x16d mm/kasan/report.c:458
 ____kasan_slab_free+0x186/0x1a0 mm/kasan/common.c:346
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1754 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
 slab_free mm/slub.c:3536 [inline]
 kfree+0xd6/0x4d0 mm/slub.c:4584
 free_prealloced_shrinker+0x2d/0x130 mm/vmscan.c:663
 destroy_unused_super.part.0+0xc2/0x120 fs/super.c:185
 destroy_unused_super fs/super.c:278 [inline]
 alloc_super+0x839/0xa10 fs/super.c:277
 sget_fc+0x10e/0x700 fs/super.c:530
 vfs_get_super fs/super.c:1134 [inline]
 get_tree_nodev+0x20/0x1b0 fs/super.c:1169
 vfs_get_tree+0x7f/0x2c0 fs/super.c:1501
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x7e8/0x1a40 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x1f5/0x260 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f13a5e89199
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f13a7038168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f13a5f9bf60 RCX: 00007f13a5e89199
RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 00007f13a70381d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc5805a0bf R14: 00007f13a7038300 R15: 0000000000022000
 </TASK>

Allocated by task 3989:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 ____kasan_kmalloc mm/kasan/common.c:515 [inline]
 ____kasan_kmalloc mm/kasan/common.c:474 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524
 kmalloc include/linux/slab.h:600 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 apparmor_sk_alloc_security+0x69/0xf0 security/apparmor/lsm.c:812
 security_sk_alloc+0x44/0x80 security/security.c:2273
 sk_prot_alloc+0x178/0x200 net/core/sock.c:1978
 sk_alloc+0x30/0x600 net/core/sock.c:2028
 inet_create net/ipv4/af_inet.c:319 [inline]
 inet_create+0x2a4/0xd60 net/ipv4/af_inet.c:245
 __sock_create+0x23e/0x590 net/socket.c:1515
 sock_create net/socket.c:1566 [inline]
 __sys_socket_create net/socket.c:1603 [inline]
 __sys_socket_create net/socket.c:1588 [inline]
 __sys_socket+0x10f/0x1c0 net/socket.c:1636
 __do_sys_socket net/socket.c:1649 [inline]
 __se_sys_socket net/socket.c:1647 [inline]
 __x64_sys_socket+0x6a/0xb0 net/socket.c:1647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Freed by task 11656:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1754 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
 slab_free mm/slub.c:3536 [inline]
 kfree+0xd6/0x4d0 mm/slub.c:4584
 prealloc_shrinker+0x14a/0x180 mm/vmscan.c:649
 alloc_super+0x7e4/0xa10 fs/super.c:268
 sget_fc+0x10e/0x700 fs/super.c:530
 vfs_get_super fs/super.c:1134 [inline]
 get_tree_nodev+0x20/0x1b0 fs/super.c:1169
 vfs_get_tree+0x7f/0x2c0 fs/super.c:1501
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x7e8/0x1a40 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x1f5/0x260 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

The buggy address belongs to the object at ffff88801c2d8ac0
 which belongs to the cache kmalloc-16 of size 16
The buggy address is located 0 bytes inside of
 16-byte region [ffff88801c2d8ac0, ffff88801c2d8ad0)

The buggy address belongs to the physical page:
page:ffffea000070b600 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88801c2d8ee0 pfn:0x1c2d8
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 0000000000000000 dead000000000001 ffff888010c413c0
raw: ffff88801c2d8ee0 000000008080007f 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 3986, tgid 3986 (syz-executor.4), ts 75392567358, free_ts 75387516016
 prep_new_page mm/page_alloc.c:2452 [inline]
 get_page_from_freelist+0x19d2/0x3b30 mm/page_alloc.c:4194
 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5411
 __alloc_pages_node include/linux/gfp.h:583 [inline]
 alloc_slab_page mm/slub.c:1826 [inline]
 allocate_slab+0x80/0x3c0 mm/slub.c:1969
 new_slab mm/slub.c:2029 [inline]
 ___slab_alloc+0x9bc/0xe10 mm/slub.c:3031
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
 slab_alloc_node mm/slub.c:3209 [inline]
 __kmalloc_node+0x2cb/0x390 mm/slub.c:4490
 xt_jumpstack_alloc net/netfilter/x_tables.c:1354 [inline]
 xt_replace_table+0x165/0x740 net/netfilter/x_tables.c:1393
 __do_replace+0x191/0x900 net/ipv6/netfilter/ip6_tables.c:1084
 do_replace net/ipv6/netfilter/ip6_tables.c:1157 [inline]
 do_ip6t_set_ctl+0x79d/0xc20 net/ipv6/netfilter/ip6_tables.c:1639
 nf_setsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:101
 tcp_setsockopt+0x10d/0x1f80 net/ipv4/tcp.c:3675
 __sys_setsockopt+0x1fd/0x550 net/socket.c:2259
 __do_sys_setsockopt net/socket.c:2270 [inline]
 __se_sys_setsockopt net/socket.c:2267 [inline]
 __x64_sys_setsockopt+0xb5/0x150 net/socket.c:2267
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1367 [inline]
 free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1417
 free_unref_page_prepare mm/page_alloc.c:3339 [inline]
 free_unref_page+0x19/0x6a0 mm/page_alloc.c:3434
 __vunmap+0x66d/0xb40 mm/vmalloc.c:2658
 free_work+0x4b/0x70 mm/vmalloc.c:97
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x299/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302

Memory state around the buggy address:
 ffff88801c2d8980: fb fb fc fc fb fb fc fc fa fb fc fc fa fb fc fc
 ffff88801c2d8a00: fa fb fc fc fa fb fc fc fb fb fc fc fa fb fc fc
>ffff88801c2d8a80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
                                           ^
 ffff88801c2d8b00: fa fb fc fc fa fb fc fc fb fb fc fc fa fb fc fc
 ffff88801c2d8b80: fb fb fc fc 00 00 fc fc fb fb fc fc fa fb fc fc
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