On 04/14/2019 01:44 PM, David Miller wrote:
> From: Eric Dumazet
> Date: Sat, 13 Apr 2019 17:32:21 -0700
>
>> fib_compute_spec_dst() needs to be called under rcu protection.
>>
>> syzbot reported :
> ...
>> Fixes: ed0de45a1008 ("ipv4: recompile ip options in ipv4_link_failure")
>> Signed-off-
From: Eric Dumazet
Date: Sat, 13 Apr 2019 17:32:21 -0700
> fib_compute_spec_dst() needs to be called under rcu protection.
>
> syzbot reported :
...
> Fixes: ed0de45a1008 ("ipv4: recompile ip options in ipv4_link_failure")
> Signed-off-by: Eric Dumazet
> Reported-by: syzbot
Applied, thanks E
Thank you. The one in cipso_v4_error needs the same fix (?) Add Nazarov
Sergey.
On Sat, Apr 13, 2019 at 05:32:21PM -0700, Eric Dumazet wrote:
> fib_compute_spec_dst() needs to be called under rcu protection.
>
> syzbot reported :
>
> WARNING: suspicious RCU usage
> 5.1.0-rc4+ #165 Not tainted
>
fib_compute_spec_dst() needs to be called under rcu protection.
syzbot reported :
WARNING: suspicious RCU usage
5.1.0-rc4+ #165 Not tainted
include/linux/inetdevice.h:220 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks =
