Switch to use dividing to prevent integer overflow when size is too
big to calculate allocation size properly.
Reported-by: Eric Biggers
Fixes: 6e6e41c31122 ("ptr_ring: fail early if queue occupies more than
KMALLOC_MAX_SIZE")
Signed-off-by: Jason Wang
---
include/linux/ptr_ring.h | 2 +-
1 fi
On 2018年02月11日 03:32, Eric Biggers wrote:
Hi Jason,
On Fri, Feb 09, 2018 at 05:45:49PM +0800, Jason Wang wrote:
To avoid slab to warn about exceeded size, fail early if queue
occupies more than KMALLOC_MAX_SIZE.
Reported-by: syzbot+e4d4f9ddd42955397...@syzkaller.appspotmail.com
Fixes: 2e0ab8
On 2018年02月09日 23:53, Michael S. Tsirkin wrote:
On Fri, Feb 09, 2018 at 05:45:50PM +0800, Jason Wang wrote:
This patch switch to use kvmalloc_array() for using a vmalloc()
fallback to help in case kmalloc() fails.
Above isn't really saying anything about the motivation, it
just explains what
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On Wed, Feb 7, 2018 at 11:38 PM, Jiri Pirko wrote:
> Thu, Feb 08, 2018 at 12:08:36AM CET, xiyou.wangc...@gmail.com wrote:
>>On Tue, Feb 6, 2018 at 11:01 PM, Jiri Pirko wrote:
>>> Wed, Feb 07, 2018 at 06:09:15AM CET, xiyou.wangc...@gmail.com wrote:
Hi, Jiri
Your commit 7fa9d974f3c2a0
Hi Jason,
On Fri, Feb 09, 2018 at 05:45:49PM +0800, Jason Wang wrote:
> To avoid slab to warn about exceeded size, fail early if queue
> occupies more than KMALLOC_MAX_SIZE.
>
> Reported-by: syzbot+e4d4f9ddd42955397...@syzkaller.appspotmail.com
> Fixes: 2e0ab8ca83c12 ("ptr_ring: array based FIFO
On 2/9/18 11:06 AM, Serhey Popovych wrote:
> @@ -289,29 +293,16 @@ get_failed:
> } else if (strcmp(*argv, "external") == 0) {
> metadata = 1;
> } else if (strcmp(*argv, "6rd-prefix") == 0) {
> - inet_prefix prefix;
> -
>
On 02/10/2018 06:08 AM, Alexei Starovoitov wrote:
> On 2/9/18 8:54 AM, Naveen N. Rao wrote:
>> Naveen N. Rao wrote:
>>> Alexei Starovoitov wrote:
On 2/8/18 4:03 AM, Sandipan Das wrote:
> The imm field of a bpf_insn is a signed 32-bit integer. For
> JIT-ed bpf-to-bpf function calls, i
On 2/8/18 9:26 AM, Stephen Hemminger wrote:
> From: Stephen Hemminger
>
> This set of patches adds JSON output to route printing.
> Tested for the simple cases, but there are many variations and there
> such as lw tunnels which have not be tested.
>
> The color formatting may need some additiona
Hi,
On Sat, 10 Feb 2018 14:08:58 +0100
Daniel Borkmann wrote:
> Hi Shmulik,
>
> On 02/10/2018 08:46 AM, Shmulik Ladkani wrote:
> > Hi,
> >
> > Apparently one cannot use TC cls_bpf/act_bpf if running from a user ns
> > other than the init_user_ns, as bpf_prog_load does not permit loading
> > th
On 2018-02-10 14:56, Kai Heng Feng wrote:
>
>> On 9 Feb 2018, at 3:16 PM, Kalle Valo wrote:
>> Sure, but we have to make sure that we don't create regressions on
>> existing systems. For example, did you test this with any system which
>> don't support btcoex? (just asking, haven't tested this my
On Fri, Feb 09, 2018 at 05:59:12PM +, Jon Maloy wrote:
> The two commits
> d153b153446f7 (" sched/core: Fix wake_affine() performance regression") and
> f2cdd9cc6c97 ("sched/core: Address more wake_affine() regressions")
> are causing a serious performance degradation in Linux 4.5.
>
> The ef
> On 9 Feb 2018, at 3:16 PM, Kalle Valo wrote:
> Sure, but we have to make sure that we don't create regressions on
> existing systems. For example, did you test this with any system which
> don't support btcoex? (just asking, haven't tested this myself)
No not really, but I will definitely test
Hi Shmulik,
On 02/10/2018 08:46 AM, Shmulik Ladkani wrote:
> Hi,
>
> Apparently one cannot use TC cls_bpf/act_bpf if running from a user ns
> other than the init_user_ns, as bpf_prog_load does not permit loading
> these type of progs, snip:
>
> if (type != BPF_PROG_TYPE_SOCKET_FILTER &&
On Fri, Feb 2, 2018 at 3:21 AM, syzbot
wrote:
> Hello,
>
> syzbot hit the following crash on net-next commit
> b2fe5fa68642860e7de76167c3111623aa0d5de1 (Wed Jan 31 22:31:10 2018 +)
> Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
>
> Unfortunately, I don't have any reproduc
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On 09.02.2018 16:34, Kirill Tkhai wrote:
> Hi,
>
> after commit 80d8bfaac9e2430d710084a10ec78e68bd61e6ec "iptables: insist that
> the lock is held."
> it became impossible restore to configure iptables from child user namespace:
>
> kirill@:~/criu$ unshare -U -m -p -f -n --map-root-user --mount-
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