On Thu, Nov 30, 2023 at 5:04 PM Eric Dumazet <edumazet@xxxxxxxxxx> wrote: > > Here is the repro: > > # See https://goo.gl/kgGztJ for information about syzkaller reproducers. > #{"procs":1,"slowdown":1,"sandbox":"","sandbox_arg":0,"close_fds":false} > r0 = socket(0x1, 0x1, 0x0) > r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12}, 0x48) > bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r1, &(0x7f0000000000), > &(0x7f0000000100)=@tcp6=r0}, 0x20) > > I will release the syzbot report, and send the patch, thanks. Actually I will release the syzbot report, and let you work on a fix, perhaps as you pointed out we could be more restrictive.