Re: UBSAN: Undefined behaviour in net/ipv4/ip_output.c

2019-01-24 Thread Kyungtae Kim
That's my bad. Thank you for your comment and effort. Regards, Kyungtae Kim On Wed, Jan 23, 2019 at 4:34 PM Willem de Bruijn wrote: > > On Mon, Jan 21, 2019 at 2:25 PM Kyungtae Kim wrote: > > > > I'm reporting a bug in linux-5.0-rc2: "UBSAN: Undefined beha

Re: UBSAN: Undefined behaviour in net/ipv4/ip_output.c

2019-01-23 Thread Willem de Bruijn
On Mon, Jan 21, 2019 at 2:25 PM Kyungtae Kim wrote: > > I'm reporting a bug in linux-5.0-rc2: "UBSAN: Undefined behaviour in > net/ipv4/ip_output.c" > > kernel config: https://kt0755.github.io/etc/config-5.0-rc2 > repro: https://kt0755.github.io/etc/repro.b6a1

UBSAN: Undefined behaviour in net/ipv4/ip_output.c

2019-01-21 Thread Kyungtae Kim
I'm reporting a bug in linux-5.0-rc2: "UBSAN: Undefined behaviour in net/ipv4/ip_output.c" kernel config: https://kt0755.github.io/etc/config-5.0-rc2 repro: https://kt0755.github.io/etc/repro.b6a11.c Integer overflow happened in __ip_append_data() when 2 * sk->sk_sndbuf (at li