[PATCH] net: stop endless flood about dst entry refcount underflow or overflow

Kernel generates a lot of warnings when dst entry reference counter overflows and becomes negative. This patch prints address of dst entry, its refcount and then resets reference counter to INT_MAX/2. That bug was seen several times at machines with outdated 3.10.y kernels. Most like it's already

Re: [PATCH] net: stop endless flood about dst entry refcount underflow or overflow

On Tue, 2015-07-14 at 14:43 +0300, Konstantin Khlebnikov wrote: Kernel generates a lot of warnings when dst entry reference counter overflows and becomes negative. This patch prints address of dst entry, its refcount and then resets reference counter to INT_MAX/2. That bug was seen several

Re: [PATCH] net: stop endless flood about dst entry refcount underflow or overflow

On 14.07.2015 15:04, Eric Dumazet wrote: On Tue, 2015-07-14 at 14:43 +0300, Konstantin Khlebnikov wrote: Kernel generates a lot of warnings when dst entry reference counter overflows and becomes negative. This patch prints address of dst entry, its refcount and then resets reference counter to

Re: [PATCH] net: stop endless flood about dst entry refcount underflow or overflow

On Tue, 2015-07-14 at 15:15 +0300, Konstantin Khlebnikov wrote: Simple warn-once will hide a lot of information which could be useful. Also dst entry leak is better than freeing actually active entry. Then BUG_ON() . Really, we need to fix leaks, not brown paper them. -- To unsubscribe

Re: [PATCH] net: stop endless flood about dst entry refcount underflow or overflow

From: Eric Dumazet eric.duma...@gmail.com Date: Tue, 14 Jul 2015 14:26:07 +0200 On Tue, 2015-07-14 at 15:15 +0300, Konstantin Khlebnikov wrote: Simple warn-once will hide a lot of information which could be useful. Also dst entry leak is better than freeing actually active entry. Then