lkml.org 
[lkml]   [2022]   [Oct]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [syzbot] kernel BUG in warn_crc32c_csum_combine
On Sun, Oct 23, 2022 at 07:49:44PM -0700, Eric Dumazet wrote:
>
> pfkey_send_acquire() allocates and skb, and then later this skb seems
> to be too small to fit all dump info.
>
> Maybe ->available status flips during the duration of the call ?
>
> (So count_esp_combs() might return a value, but later dump_esp_combs()
> needs more space)

Thanks!

> Relevant patch suggests this could happen
>
> commit ba953a9d89a00c078b85f4b190bc1dde66fe16b5
> Author: Herbert Xu <herbert@gondor.apana.org.au>
> Date: Thu Aug 4 18:03:46 2022 +0800
>
> af_key: Do not call xfrm_probe_algs in parallel

Yes this looks like the same issue just in a different spot.

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

\
 
 \ /
  Last update: 2022-10-24 09:45    [W:0.563 / U:0.948 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site