syzbot

panic: malloc: allocation too large, type = 2, size = 1768304430
Starting stack trace...
panic(ffffffff8309d87b) at panic+0x1d0 sys/kern/subr_prf.c:229
malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:334
bpf_allocbufs(ffff800001314600) at bpf_allocbufs+0x85 sys/net/bpf.c:1659
bpf_setif(ffff800001314600,ffff80003c5dc370) at bpf_setif+0x17d sys/net/bpf.c:1201
bpfioctl(41700,8020426c,ffff80003c5dc370,1,ffff8000ffff91d8) at bpfioctl+0xd2a sys/net/bpf.c:955
VOP_IOCTL(fffffd8060abed98,8020426c,ffff80003c5dc370,1,fffffd807f7d3270,ffff8000ffff91d8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264
vn_ioctl(fffffd805d8afb48,8020426c,ffff80003c5dc370,ffff8000ffff91d8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531
sys_ioctl(ffff8000ffff91d8,ffff80003c5dc550,ffff80003c5dc4a0) at sys_ioctl+0x5c3
syscall(ffff80003c5dc550) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c5dc550) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xcd3662aefb0, count: 247
End of stack trace.