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BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
BUG: KASAN: slab-out-of-bounds in do_replace net/ipv4/netfilter/ip_tables.c:1129 [inline]
BUG: KASAN: slab-out-of-bounds in do_ipt_set_ctl+0xd57/0x1240 net/ipv4/netfilter/ip_tables.c:1631
Read of size 1088 at addr ffff88802a21e060 by task syz-executor.3/11768

CPU: 0 PID: 11768 Comm: syz-executor.3 Not tainted 6.9.0-rc2-next-20240405-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
 copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
 do_replace net/ipv4/netfilter/ip_tables.c:1129 [inline]
 do_ipt_set_ctl+0xd57/0x1240 net/ipv4/netfilter/ip_tables.c:1631
 nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101
 do_sock_setsockopt+0x3af/0x720 net/socket.c:2311
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7ffa7f47de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffa802450c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ffa7f5abf80 RCX: 00007ffa7f47de69
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007ffa7f4ca47a R08: 000000000000045c R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007ffa7f5abf80 R15: 00007ffc24083318
 </TASK>

Allocated by task 11768:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slub.c:4078 [inline]
 __kmalloc_noprof+0x200/0x400 mm/slub.c:4091
 kmalloc_noprof include/linux/slab.h:664 [inline]
 kzalloc_noprof include/linux/slab.h:775 [inline]
 sockopt_alloc_buf kernel/bpf/cgroup.c:1776 [inline]
 __cgroup_bpf_run_filter_setsockopt+0x2e9/0x1050 kernel/bpf/cgroup.c:1817
 do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

The buggy address belongs to the object at ffff88802a21e000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 96 bytes inside of
 allocated 1116-byte region [ffff88802a21e000, ffff88802a21e45c)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2a218
head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff80000000040(head|node=0|zone=1|lastcpupid=0xfff)
page_type: 0xffffefff(slab)
raw: 00fff80000000040 ffff888015042000 ffffea0001f65400 dead000000000002
raw: 0000000000000000 0000000080080008 00000001ffffefff 0000000000000000
head: 00fff80000000040 ffff888015042000 ffffea0001f65400 dead000000000002
head: 0000000000000000 0000000080080008 00000001ffffefff 0000000000000000
head: 00fff80000000003 ffffea0000a88601 ffffea0000a88648 00000000ffffffff
head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid -1936297500 (swapper/0), ts 1, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1490
 prep_new_page mm/page_alloc.c:1498 [inline]
 get_page_from_freelist+0x2e7e/0x2f40 mm/page_alloc.c:3454
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4712
 __alloc_pages_node_noprof include/linux/gfp.h:244 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:271 [inline]
 alloc_slab_page+0x5f/0x120 mm/slub.c:2259
 allocate_slab+0x5a/0x2e0 mm/slub.c:2422
 new_slab mm/slub.c:2475 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3624
 __slab_alloc+0x58/0xa0 mm/slub.c:3714
 __slab_alloc_node mm/slub.c:3767 [inline]
 slab_alloc_node mm/slub.c:3945 [inline]
 __do_kmalloc_node mm/slub.c:4077 [inline]
 __kmalloc_noprof+0x25e/0x400 mm/slub.c:4091
 kmalloc_noprof include/linux/slab.h:664 [inline]
 sk_prot_alloc+0xe0/0x210 net/core/sock.c:2080
 sk_alloc+0x38/0x370 net/core/sock.c:2133
 __netlink_create+0x6c/0x280 net/netlink/af_netlink.c:647
 __netlink_kernel_create+0x1d8/0x780 net/netlink/af_netlink.c:2030
 netlink_kernel_create include/linux/netlink.h:62 [inline]
 xfrm_user_net_init+0xa2/0x150 net/xfrm/xfrm_user.c:3846
 ops_init+0x352/0x610 net/core/net_namespace.c:136
 __register_pernet_operations net/core/net_namespace.c:1243 [inline]
 register_pernet_operations+0x2cb/0x660 net/core/net_namespace.c:1312
 register_pernet_subsys+0x28/0x40 net/core/net_namespace.c:1353
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802a21e300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802a21e380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88802a21e400: 00 00 00 00 00 00 00 00 00 00 00 04 fc fc fc fc
                                                    ^
 ffff88802a21e480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802a21e500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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