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BUG: KASAN: slab-out-of-bounds in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:110 [inline]
BUG: KASAN: slab-out-of-bounds in bitmap_port_gc_test net/netfilter/ipset/ip_set_bitmap_port.c:67 [inline]
BUG: KASAN: slab-out-of-bounds in bitmap_port_gc+0x112/0x4f0 net/netfilter/ipset/ip_set_bitmap_gen.h:277
Read of size 8 at addr ffff88809fef6e40 by task syz-executor006/10003

CPU: 0 PID: 10003 Comm: syz-executor006 Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xd4/0x30b mm/kasan/report.c:374
 __kasan_report.cold+0x1b/0x41 mm/kasan/report.c:506
 kasan_report+0x12/0x20 mm/kasan/common.c:639
 check_memory_region_inline mm/kasan/generic.c:185 [inline]
 check_memory_region+0x134/0x1a0 mm/kasan/generic.c:192
 __kasan_check_read+0x11/0x20 mm/kasan/common.c:95
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:110 [inline]
 bitmap_port_gc_test net/netfilter/ipset/ip_set_bitmap_port.c:67 [inline]
 bitmap_port_gc+0x112/0x4f0 net/netfilter/ipset/ip_set_bitmap_gen.h:277
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:49
Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 <f3> aa c3 cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 41 55 41 54 53
RSP: 0000:ffffc90003637b68 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff888000000000 RCX: 00000000000000c0
RDX: 1ffff11013fae685 RSI: ffffffff81a1b646 RDI: ffff888089c65f40
RBP: ffffc90003637b80 R08: ffff88809fd72040 R09: ffffed1015d0703d
R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff88809fd72040
R13: 0000000000000065 R14: 0000000000000000 R15: 0000000000000000
 process_huge_page mm/memory.c:4627 [inline]
 clear_huge_page+0xb5/0x3e0 mm/memory.c:4687
 __do_huge_pmd_anonymous_page mm/huge_memory.c:606 [inline]
 do_huge_pmd_anonymous_page+0x6a6/0x1a50 mm/huge_memory.c:774
 create_huge_pmd mm/memory.c:3888 [inline]
 __handle_mm_fault+0x3145/0x3cc0 mm/memory.c:4098
 handle_mm_fault+0x3b2/0xa50 mm/memory.c:4164
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x536/0xd80 arch/x86/mm/fault.c:1506
 do_page_fault+0x38/0x590 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1203
RIP: 0033:0x400713
Code: 03 00 00 00 be 10 00 00 00 bf 29 00 00 00 e8 84 0c 04 00 48 83 f8 ff 74 07 48 89 05 87 a9 2c 00 48 b8 62 69 74 6d 61 70 3a 70 <48> c7 04 25 40 01 00 20 00 00 00 00 c7 04 25 48 01 00 20 00 00 00
RSP: 002b:00007fff88b8f630 EFLAGS: 00010213
RAX: 703a70616d746962 RBX: 0000000000000000 RCX: 0000000000441399
RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010
RBP: 0000000000019efd R08: 0000000000000004 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004021c0
R13: 0000000000402250 R14: 0000000000000000 R15: 0000000000000000

Allocated by task 9653:
 save_stack+0x23/0x90 mm/kasan/common.c:72
 set_track mm/kasan/common.c:80 [inline]
 __kasan_kmalloc mm/kasan/common.c:513 [inline]
 __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:486
 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:527
 __do_kmalloc mm/slab.c:3656 [inline]
 __kmalloc+0x163/0x770 mm/slab.c:3665
 kmalloc include/linux/slab.h:561 [inline]
 kzalloc include/linux/slab.h:670 [inline]
 ip_set_alloc+0x38/0x5e net/netfilter/ipset/ip_set_core.c:255
 init_map_port net/netfilter/ipset/ip_set_bitmap_port.c:234 [inline]
 bitmap_port_create+0x3dc/0x7c0 net/netfilter/ipset/ip_set_bitmap_port.c:276
 ip_set_create+0x6f1/0x1500 net/netfilter/ipset/ip_set_core.c:1111
 nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 nfnetlink_rcv+0x1ba/0x460 net/netfilter/nfnetlink.c:563
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:639 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:659
 ____sys_sendmsg+0x753/0x880 net/socket.c:2330
 ___sys_sendmsg+0x100/0x170 net/socket.c:2384
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417
 __do_sys_sendmsg net/socket.c:2426 [inline]
 __se_sys_sendmsg net/socket.c:2424 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 9376:
 save_stack+0x23/0x90 mm/kasan/common.c:72
 set_track mm/kasan/common.c:80 [inline]
 kasan_set_free_info mm/kasan/common.c:335 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/common.c:474
 kasan_slab_free+0xe/0x10 mm/kasan/common.c:483
 __cache_free mm/slab.c:3426 [inline]
 kfree+0x10a/0x2c0 mm/slab.c:3757
 tomoyo_check_open_permission+0x19e/0x3e0 security/tomoyo/file.c:786
 tomoyo_file_open security/tomoyo/tomoyo.c:319 [inline]
 tomoyo_file_open+0xa9/0xd0 security/tomoyo/tomoyo.c:314
 security_file_open+0x71/0x300 security/security.c:1497
 do_dentry_open+0x37a/0x1380 fs/open.c:784
 vfs_open+0xa0/0xd0 fs/open.c:914
 do_last fs/namei.c:3356 [inline]
 path_openat+0x118b/0x3180 fs/namei.c:3473
 do_filp_open+0x1a1/0x280 fs/namei.c:3503
 do_sys_open+0x3fe/0x5d0 fs/open.c:1097
 __do_sys_open fs/open.c:1115 [inline]
 __se_sys_open fs/open.c:1110 [inline]
 __x64_sys_open+0x7e/0xc0 fs/open.c:1110
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff88809fef6e40
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 0 bytes inside of
 32-byte region [ffff88809fef6e40, ffff88809fef6e60)
The buggy address belongs to the page:
page:ffffea00027fbd80 refcount:1 mapcount:0 mapping:ffff8880aa4001c0 index:0xffff88809fef6fc1
raw: 00fffe0000000200 ffffea00024dd208 ffffea00029aad48 ffff8880aa4001c0
raw: ffff88809fef6fc1 ffff88809fef6000 0000000100000035 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88809fef6d00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
 ffff88809fef6d80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
>ffff88809fef6e00: fb fb fb fb fc fc fc fc 04 fc fc fc fc fc fc fc
                                           ^
 ffff88809fef6e80: fb fb fb fb fc fc fc fc 00 01 fc fc fc fc fc fc
 ffff88809fef6f00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
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