Re: possible stack corruption in icmp_send (__stack_chk_fail)

2021-02-17 Thread Willem de Bruijn
On Wed, Feb 17, 2021 at 6:18 PM Jason A. Donenfeld wrote: > > On 2/18/21, Willem de Bruijn wrote: > > On Wed, Feb 17, 2021 at 5:56 PM Jason A. Donenfeld wrote: > >> > >> Hi Willem, > >> > >> On Wed, Feb 17, 2021 at 11:27 PM Willem de Bruijn > >> wrote: > >> > A vmlinux image might help. I could

Re: possible stack corruption in icmp_send (__stack_chk_fail)

2021-02-17 Thread Jason A. Donenfeld
On 2/18/21, Willem de Bruijn wrote: > On Wed, Feb 17, 2021 at 5:56 PM Jason A. Donenfeld wrote: >> >> Hi Willem, >> >> On Wed, Feb 17, 2021 at 11:27 PM Willem de Bruijn >> wrote: >> > A vmlinux image might help. I couldn't find one for this kernel. >> >> https://data.zx2c4.com/icmp_send-crash-e0

Re: possible stack corruption in icmp_send (__stack_chk_fail)

2021-02-17 Thread Willem de Bruijn
On Wed, Feb 17, 2021 at 5:56 PM Jason A. Donenfeld wrote: > > Hi Willem, > > On Wed, Feb 17, 2021 at 11:27 PM Willem de Bruijn > wrote: > > A vmlinux image might help. I couldn't find one for this kernel. > > https://data.zx2c4.com/icmp_send-crash-e03b4a42-706a-43bf-bc40-1f15966b3216.tar.xz > has

Re: possible stack corruption in icmp_send (__stack_chk_fail)

2021-02-17 Thread Jason A. Donenfeld
Hi Willem, On Wed, Feb 17, 2021 at 11:27 PM Willem de Bruijn wrote: > A vmlinux image might help. I couldn't find one for this kernel. https://data.zx2c4.com/icmp_send-crash-e03b4a42-706a-43bf-bc40-1f15966b3216.tar.xz has .debs with vmlinuz in there, which you can extract to vmlinux, as well as

Re: possible stack corruption in icmp_send (__stack_chk_fail)

2021-02-17 Thread Willem de Bruijn
On Wed, Feb 17, 2021 at 1:12 PM Jason A. Donenfeld wrote: > > Hi Netdev & Willem, > > I've received a report of stack corruption -- via the stack protector > check -- in icmp_send. I was sent a vmcore, and was able to extract > the OOPS from there. However, I've been unable to produce the bug and

possible stack corruption in icmp_send (__stack_chk_fail)

2021-02-17 Thread Jason A. Donenfeld
Hi Netdev & Willem, I've received a report of stack corruption -- via the stack protector check -- in icmp_send. I was sent a vmcore, and was able to extract the OOPS from there. However, I've been unable to produce the bug and I don't see where it'd be in the code. That might point to a more sini