On 2019/9/3 14:58, Tim Froidcoeur wrote:
> Hi,
>
> I also tried to reproduce this in a targeted way, and run into the
> same difficulty as you: satisfying the first condition “
> (sk->sk_wmem_queued >> 1) > limit “.
> I will not have bandwidth the coming days to try and reproduce it in
> this wa
Hi,
I also tried to reproduce this in a targeted way, and run into the
same difficulty as you: satisfying the first condition “
(sk->sk_wmem_queued >> 1) > limit “.
I will not have bandwidth the coming days to try and reproduce it in
this way. Maybe simply forcing a very small send buffer using sy
On Sat, Aug 31, 2019 at 03:14:35PM +0200, Matthieu Baerts wrote:
Hi Sasha,
Thank you for your reply!
On 31/08/2019 14:20, Sasha Levin wrote:
On Sat, Aug 24, 2019 at 08:03:51AM +0200, Tim Froidcoeur wrote:
Commit 8c3088f895a0 ("tcp: be more careful in tcp_fragment()")
triggers following stack
Hi Sasha,
Thank you for your reply!
On 31/08/2019 14:20, Sasha Levin wrote:
> On Sat, Aug 24, 2019 at 08:03:51AM +0200, Tim Froidcoeur wrote:
>> Commit 8c3088f895a0 ("tcp: be more careful in tcp_fragment()")
>> triggers following stack trace:
>>
>> [25244.848046] kernel BUG at ./include/linux/skb
On Sat, Aug 24, 2019 at 08:03:51AM +0200, Tim Froidcoeur wrote:
Commit 8c3088f895a0 ("tcp: be more careful in tcp_fragment()")
triggers following stack trace:
[25244.848046] kernel BUG at ./include/linux/skbuff.h:1406!
[25244.859335] RIP: 0010:skb_queue_prev+0x9/0xc
[25244.888167] Call Trace:
[2
Tim
Can you share the reproduce steps for this issue? C or syzkaller is ok.
Thanks a lot.
maowenan would like to recall the message, "[PATCH 4.14] tcp: fix
tcp_rtx_queue_tail in case of empty retransmit queue".
[] skb_peek_tail include/linux/skbuff.h:1516 [inline]
[] tcp_write_queue_tail include/net/tcp.h:1478 [inline]
[] tcp_rtx_queue_tail include/net/tcp.h:1543 [inline]
[] tcp_fragment+0xc64/0xce8 net/ipv4/tcp_output.c:1175
[] tcp_write_wakeup+0x3f8/0x4a0 net/ipv4/tcp_output.c:3496
[] tcp_send_probe0+0x
From: Christoph Paasch
Date: Fri, 30 Aug 2019 16:26:57 -0700
> (I don't see it in the stable-queue)
I don't handle any stable branch before the most recent two, so this isn't
my territory.
Hello,
On 24/08/19 - 15:05:20, Jonathan Lemon wrote:
>
>
> On 23 Aug 2019, at 23:03, Tim Froidcoeur wrote:
>
> > Commit 8c3088f895a0 ("tcp: be more careful in tcp_fragment()")
> > triggers following stack trace:
> >
> > [25244.848046] kernel BUG at ./include/linux/skbuff.h:1406!
> > [25244.8593
On 23 Aug 2019, at 23:03, Tim Froidcoeur wrote:
> Commit 8c3088f895a0 ("tcp: be more careful in tcp_fragment()")
> triggers following stack trace:
>
> [25244.848046] kernel BUG at ./include/linux/skbuff.h:1406!
> [25244.859335] RIP: 0010:skb_queue_prev+0x9/0xc
> [25244.888167] Call Trace:
> [25
Commit 8c3088f895a0 ("tcp: be more careful in tcp_fragment()")
triggers following stack trace:
[25244.848046] kernel BUG at ./include/linux/skbuff.h:1406!
[25244.859335] RIP: 0010:skb_queue_prev+0x9/0xc
[25244.888167] Call Trace:
[25244.889182]
[25244.890001] tcp_fragment+0x9c/0x2cf
[25244.8912
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