setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x1b, &(0x7f00000010c0)={@dev}, 0x14)
r1 = syz_open_procfs(0x0, &(0x7f00000001c0)='net/anycast6\x00')
preadv(r1, &(0x7f0000000000)=[{&(0x7f0000000080)=""/205, 0xcd}], 0x1, 0x0, 0x0)
BUG: memory leak
unreferenced object 0xffff88801af76c00 (size 512):
  comm "syz-executor.4", pid 13557, jiffies 4296707713 (age 20.976s)
  hex dump (first 32 bytes):
    01 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00  ................
    00 68 f7 1a 80 88 ff ff 00 30 71 00 00 c9 ff ff  .h.......0q.....
  backtrace:
    [<000000009a27ce54>] kmalloc include/linux/slab.h:552 [inline]
    [<000000009a27ce54>] kzalloc include/linux/slab.h:664 [inline]
    [<000000009a27ce54>] seccomp_prepare_filter kernel/seccomp.c:565 [inline]
    [<000000009a27ce54>] seccomp_prepare_user_filter kernel/seccomp.c:607 [inline]
    [<000000009a27ce54>] seccomp_set_mode_filter kernel/seccomp.c:1572 [inline]
    [<000000009a27ce54>] do_seccomp+0x2d5/0x25e0 kernel/seccomp.c:1692
    [<00000000cd4f84cd>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000076f96ed6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: leak checking failed