quot;rxrpc: use udp tunnel APIs instead of open code in
> rxrpc_open_socket")
> Reported-by: kernel test robot
> Suggested-by: Vadim Fedorenko
> Signed-off-by: David Howells
> cc: Xin Long
> cc: a...@dev.mellanox.co.il
> cc: Jakub Kicinski
> ---
>
> net/rxrp
On Tue, Nov 3, 2020 at 9:14 PM Xin Long wrote:
>
> On Sun, Nov 1, 2020 at 1:40 PM syzbot
> wrote:
> >
> > syzbot has bisected this issue to:
> >
> > commit bcd623d8e9fa5f82bbd8cd464dc418d24139157b
> > Author: Xin Long
> > Date: Thu Oct
On Sun, Nov 1, 2020 at 1:40 PM syzbot
wrote:
>
> syzbot has bisected this issue to:
>
> commit bcd623d8e9fa5f82bbd8cd464dc418d24139157b
> Author: Xin Long
> Date: Thu Oct 29 07:05:05 2020 +
>
> sctp: call sk_setup_caps in sctp_packet_transmit instead
&
o.syz?x=15ada44d90
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1400746790
>
> The issue was bisected to:
>
> commit ff48b6222e65ebdba5a403ef1deba6214e749193
> Author: Xin Long
> Date: Sun Sep 13 11:37:31 2020 +
>
> tipc: use skb_unshare() instead
On Sat, Jun 27, 2020 at 1:25 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:b835a71e usbnet: smsc95xx: Fix use-after-free after removal
> git tree: net
> console output: https://syzkaller.appspot.com/x/log.txt?x=1095a51d10
> kernel config: https
On Sun, Aug 16, 2020 at 4:32 PM kernel test robot wrote:
>
> Hi Xin,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head: 4b6c093e21d36bede0fd88fd0aeb3b03647260e4
> commit: 5a6f6f579178dbeb33002d93b4f646c31348f
On Wed, Aug 12, 2020 at 7:21 AM kernel test robot wrote:
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head: c636eef2ee3696f261a35f34989842701a107895
> commit: 5a6f6f579178dbeb33002d93b4f646c31348fac9 tipc: set ub->ifindex for
> local ipv6 address
>
8c7ec75a ("ip_vti: not register vti_ipip_handler twice")
Acked-by: Xin Long
> ---
> net/ipv4/ip_vti.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
> index 49daaed89764..f687abb069fa 100644
> --- a/net/ipv4/ip_vti.c
On Mon, Jul 27, 2020 at 4:11 AM syzbot
wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit ed17b8d377eaf6b4a01d46942b4c647378a79bdd
> Author: Xin Long
> Date: Mon May 25 05:53:37 2020 +
>
> xfrm: fix a warning in xfrm_policy_insert_list
&
Hi, Steffen,
I've confirmed the patchset I posted yesterday would fix this:
[PATCH ipsec-next 0/3] xfrm: not register one xfrm(6)_tunnel object twice
Thanks.
On Tue, Jul 14, 2020 at 5:37 PM Steffen Klassert
wrote:
>
> Xin,
>
> this looks a bit like it was introduced with one of your recent
> p
On Tue, Jul 14, 2020 at 5:37 PM Steffen Klassert
wrote:
>
> Xin,
>
> this looks a bit like it was introduced with one of your recent
> patches. Can you please look into that?
Yes, I'm looking into it.
Thanks.
>
> Thanks!
>
> On Mon, Jul 13, 2020 at 03:04:16PM -0700, syzbot wrote:
> > Hello,
> >
22 June 2020 19:33
> >>>>>> On Mon, Jun 22, 2020 at 08:01:24PM +0200, Michael Tuexen wrote:
> >>>>>>>> On 22. Jun 2020, at 18:57, Corey Minyard wrote:
> >>>>>>>>
> >>>>>>>> On Mon, Jun 22, 202
On Wed, Jun 24, 2020 at 12:00 AM Corey Minyard wrote:
>
> On Tue, Jun 23, 2020 at 11:40:21PM +0800, Xin Long wrote:
> > On Tue, Jun 23, 2020 at 9:29 PM Corey Minyard wrote:
> > >
> > > On Tue, Jun 23, 2020 at 06:13:30PM +0800, Xin Long wrote:
> > > &g
On Tue, Jun 23, 2020 at 9:29 PM Corey Minyard wrote:
>
> On Tue, Jun 23, 2020 at 06:13:30PM +0800, Xin Long wrote:
> > On Tue, Jun 23, 2020 at 2:34 AM Michael Tuexen
> > wrote:
> > >
> > > > On 22. Jun 2020, at 20:32, Marcelo Ricardo Leitner
> > >
t;>>
> >>> On Mon, Jun 22, 2020 at 08:01:23PM +0800, Xin Long wrote:
> >>>> On Sun, Jun 21, 2020 at 11:56 PM Corey Minyard wrote:
> >>>>>
> >>>>> I've stumbled upon a strange problem with SCTP and IPv6. If I create an
> &
On Sun, Jun 21, 2020 at 11:56 PM Corey Minyard wrote:
>
> I've stumbled upon a strange problem with SCTP and IPv6. If I create an
> sctp listening socket on :: and set the IPV6_V6ONLY socket option on it,
> then I make a connection to it using ::1, the connection will drop after
> 2.5 seconds wit
that is
> part of an existing association has experienced a change of
> state (e.g., a failure or return to service of the reachability
> of an endpoint via a specific transport address).
>
> Signed-off-by: Jonas Falkevik
Reviewed-by: Xin Long
> ---
> Changes in v2:
>
On Mon, May 25, 2020 at 9:10 PM Marcelo Ricardo Leitner
wrote:
>
> On Mon, May 25, 2020 at 04:42:16PM +0800, Xin Long wrote:
> > On Sat, May 23, 2020 at 8:04 PM Jonas Falkevik
> > wrote:
> > >
> > > On Tue, May 19, 2020 at 10:42 PM Marcelo Ricardo Leitner
On Sat, May 23, 2020 at 8:04 PM Jonas Falkevik wrote:
>
> On Tue, May 19, 2020 at 10:42 PM Marcelo Ricardo Leitner
> wrote:
> >
> > On Fri, May 15, 2020 at 10:30:29AM +0200, Jonas Falkevik wrote:
> > > On Wed, May 13, 2020 at 11:32 PM Marcelo Ricardo Leitner
> > > wrote:
> > > >
> > > > On Wed,
On Fri, May 22, 2020 at 8:39 PM Yuehaibing wrote:
>
> On 2020/5/22 13:49, Xin Long wrote:
> > On Fri, May 22, 2020 at 9:45 AM Yuehaibing wrote:
> >>
> >> On 2020/5/21 14:49, Xin Long wrote:
> >>> On Tue, May 19, 2020 at 4:53 PM Steffen Klassert
> >
On Fri, May 22, 2020 at 9:45 AM Yuehaibing wrote:
>
> On 2020/5/21 14:49, Xin Long wrote:
> > On Tue, May 19, 2020 at 4:53 PM Steffen Klassert
> > wrote:
> >>
> >> On Fri, May 15, 2020 at 04:39:57PM +0800, Yuehaibing wrote:
> >>>
> >&
On Tue, May 19, 2020 at 4:53 PM Steffen Klassert
wrote:
>
> On Fri, May 15, 2020 at 04:39:57PM +0800, Yuehaibing wrote:
> >
> > Friendly ping...
> >
> > Any plan for this issue?
>
> There was still no consensus between you and Xin on how
> to fix this issue. Once this happens, I consider applying
On Mon, Oct 14, 2019 at 10:50 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:da940012 Merge tag 'char-misc-5.4-rc3' of git://git.kernel..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=11c87fc760
> kernel config:
On Fri, Aug 23, 2019 at 3:58 PM Bharath Vedartham wrote:
>
> Hi all,
>
> I just want to bring attention to the syzbot bug [1]
>
> Even though syzbot claims the bug to be in net/tipc, I feel it is in
> net/dst_cache.c. Please correct me if I am wrong.
>
> This bug is being triggered a lot of times
On Tue, Aug 27, 2019 at 1:15 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:9733a7c6 Add linux-next specific files for 20190823
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=143ec11e60
> kernel config: https:
On Mon, Aug 19, 2019 at 10:44 PM Xin Long wrote:
>
> On Sun, Aug 18, 2019 at 10:13 PM Dmitry Vyukov wrote:
> >
> > On Sun, Aug 18, 2019 at 7:07 AM Xin Long wrote:
> > >
> > > On Sat, Aug 17, 2019 at 2:38 AM syzbot
> > > wrote:
> > > >
On Sun, Aug 18, 2019 at 10:13 PM Dmitry Vyukov wrote:
>
> On Sun, Aug 18, 2019 at 7:07 AM Xin Long wrote:
> >
> > On Sat, Aug 17, 2019 at 2:38 AM syzbot
> > wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following crash on:
On Sat, Aug 17, 2019 at 2:38 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:459c5fb4 Merge branch 'mscc-PTP-support'
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=13f2d33c60
> kernel config: https://syzkaller.a
p_bucket_create net/sctp/socket.c:8374 [inline]
> [<ff3ccf22>] sctp_get_port_local+0x189/0x5b0
> net/sctp/socket.c:8121
> [<eed41612>] sctp_do_bind+0xcc/0x1e0 net/sctp/socket.c:402
> [<00002bf65239>] sctp_bind+0x44/0x70 net/sctp/s
a problem with 4.19.y? How about 5.2.y? If not, can
> > you do 'git bisect' to find the patch that fixes the issue?
> >
> > thanks,
> >
> > greg k-h
>
> Hi, please pick this to 4.14.y and 4.19.y, tested that it fixes the
> crash in both:
>
>
On Sun, Jun 2, 2019 at 9:36 PM Xin Long wrote:
>
> On Sun, Jun 2, 2019 at 6:52 PM Neil Horman wrote:
> >
> > On Sun, Jun 02, 2019 at 11:44:29AM +0800, Hillf Danton wrote:
> > >
> > > syzbot found the following crash on:
> > >
> > > HEAD com
4
> --- a/net/sctp/stream.c
> +++ b/net/sctp/stream.c
> @@ -153,13 +153,20 @@ int sctp_stream_init(struct sctp_stream *stream, __u16
> outcnt, __u16 incnt,
> int sctp_stream_init_ext(struct sctp_stream *stream, __u16 sid)
> {
> struct sctp_stream_out_ext *soute;
> + int ret;
>
> soute = kzalloc(sizeof(*soute), GFP_KERNEL);
> if (!soute)
> return -ENOMEM;
> SCTP_SO(stream, sid)->ext = soute;
>
> - return sctp_sched_init_sid(stream, sid, GFP_KERNEL);
> + ret = sctp_sched_init_sid(stream, sid, GFP_KERNEL);
> + if (ret) {
> + kfree(SCTP_SO(stream, sid)->ext);
> + SCTP_SO(stream, sid)->ext = NULL;
> + }
> +
> + return ret;
> }
>
> void sctp_stream_free(struct sctp_stream *stream)
>
Tested-by: Xin Long
Hi, Marcelo, please feel free to move forward with this patch, :-)
On Wed, May 29, 2019 at 2:28 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:cd6c84d8 Linux 5.2-rc2
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=101a184aa0
> kernel config: https://syzkaller.appspot.com/x/.conf
On Mon, Jun 24, 2019 at 3:28 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:abf02e29 Merge tag 'pm-5.2-rc6' of git://git.kernel.org/pu..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=13470eb2a0
> kernel config:
e 2019/06/01 15:51 bpf-next 0462eaac
>
> Since it happens a dozen of times per day, most likely it was
> introduced into net-next around dfb569f2 (syzbot should do new builds
> every ~12h, minus broken trees).
I think all these pcpu memory corruptions can be marked as Fixed-by:
commit c3bcde026684c62d7a2b6f626dc7cf763833875c
Author: Xin Long
Date: Mon Jun 17 21:34:15 2019 +0800
tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb
On Wed, Jun 19, 2019 at 11:48 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:f75e4cfe kmsan: use kmsan_handle_urb() in urb.c
> git tree: kmsan
> console output: https://syzkaller.appspot.com/x/log.txt?x=13d0a6fea0
> kernel config: https://syzkal
On Sat, May 25, 2019 at 5:18 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:4dde821e Merge tag 'xfs-5.2-fixes-1' of git://git.kernel.o..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=107db73aa0
> kernel config:
On Fri, May 31, 2019 at 10:59 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:bec7550c Merge tag 'docs-5.2-fixes2' of git://git.lwn.net/..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=152a0916a0
> kernel config:
On Mon, Jun 3, 2019 at 11:22 AM Young Xiao <92siuy...@gmail.com> wrote:
>
> Clearing the IFF_ALLMULTI flag on a down interface could cause an allmulti
> overflow on the underlying interface.
>
> Attempting the set IFF_ALLMULTI on the underlying interface would cause an
> error and the log message:
/0xa9
> >
> >
> > It was introduced in commit d570a59c5b5f ("sctp: only allow the out stream
> > reset when the stream outq is empty"), in orde to check stream outqs before
> > sending SCTP_STRRESET_IN_PROGRESS back to the peer of the stream. EAGAIN is
> >
On Thu, Mar 21, 2019 at 12:54 AM Jon Maloy wrote:
>
>
>
> > -Original Message-
> > From: Dmitry Vyukov
> > Sent: 20-Mar-19 17:41
> > To: Jon Maloy
> > Cc: syzbot ;
> > da...@davemloft.net; kuz...@ms2.inr.ac.ru; linux-
> > ker...@vger.kernel.org; net...@vger.kernel.org; syzkaller-
> > b..
On Wed, Mar 6, 2019 at 9:42 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:63bdf4284c38 Merge branch 'linus' of git://git.kernel.org/..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=100347cb20
> kernel config:
On Tue, Feb 26, 2019 at 8:29 PM Neil Horman wrote:
>
> On Tue, Feb 26, 2019 at 12:15:54AM +0800, Xin Long wrote:
> > On Mon, Feb 25, 2019 at 10:08 PM Neil Horman wrote:
> > >
> > > On Mon, Feb 25, 2019 at 09:20:44PM +0800, Xin Long wrote:
> > > > O
On Mon, Feb 25, 2019 at 10:08 PM Neil Horman wrote:
>
> On Mon, Feb 25, 2019 at 09:20:44PM +0800, Xin Long wrote:
> > On Mon, Feb 25, 2019 at 8:47 PM Neil Horman wrote:
> > >
> > > On Mon, Feb 25, 2019 at 07:25:37PM +0800, Xin Long wrote:
> > &
On Mon, Feb 25, 2019 at 8:47 PM Neil Horman wrote:
>
> On Mon, Feb 25, 2019 at 07:25:37PM +0800, Xin Long wrote:
> > sctp_hdr(skb) only works when skb->transport_header is set properly.
> >
> > But in the path of nf_conntrack_in: sctp_packet() -> sctp_error()
> &
ng offset, which is always right in all places.
Fixes: e6d8b64b34aa ("net: sctp: fix and consolidate SCTP checksumming code")
Reported-by: Li Shuang
Signed-off-by: Xin Long
---
include/net/sctp/checksum.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/sctp/c
On Thu, Feb 14, 2019 at 10:39 PM Marcelo Ricardo Leitner
wrote:
>
> On Thu, Feb 14, 2019 at 12:17:45PM -0200, Marcelo Ricardo Leitner wrote:
> > On Thu, Feb 14, 2019 at 10:03:30PM +0800, Xin Long wrote:
> > > On Wed, Feb 13, 2019 at 9:52 PM Marcelo Ricardo Leitner
> > &
On Wed, Feb 13, 2019 at 9:52 PM Marcelo Ricardo Leitner
wrote:
>
> On Wed, Feb 13, 2019 at 12:35:56PM +0800, Xin Long wrote:
> > On Wed, Feb 13, 2019 at 4:00 AM syzbot
> > wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following
On Wed, Feb 13, 2019 at 4:00 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:d4104460aec1 Add linux-next specific files for 20190211
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=14140124c0
> kernel config: ht
introduce stream scheduler foundations")
Reported-by: syzbot+58e480e7b28f2d890...@syzkaller.appspotmail.com
Signed-off-by: Xin Long
---
net/sctp/stream.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index f246331..2936ed1 100644
--- a/n
gso_reset_checksum() when
computing checksum in sctp_gso_segment.
Reported-by: Jianlin Shi
Signed-off-by: Xin Long
---
net/sctp/offload.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/sctp/offload.c b/net/sctp/offload.c
index 123e9f2..edfcf16 100644
--- a/net/sctp/offload.c
+++ b
On Tue, Feb 5, 2019 at 1:21 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:dc4c89997735 Add linux-next specific files for 20190201
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=17eb3dc4c0
> kernel config: htt
;)
Reported-by: Ying Xu
Reported-by: syzbot+e33a3a138267ca119...@syzkaller.appspotmail.com
Signed-off-by: Xin Long
---
net/sctp/stream.c | 20
1 file changed, 20 insertions(+)
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 80e0ae5..f246331 100644
--- a/net/sctp/strea
simply handle it by setting flow sport from saddr only
when it's 0 in sctp_v4/6_get_dst().
Fixes: 6e91b578bf3f ("sctp: re-use sctp_transport_pmtu in sctp_transport_route")
Reported-by: Ying Xu
Signed-off-by: Xin Long
---
net/sctp/ipv6.c | 3 ++-
net/sctp/protocol.c | 3 ++-
2 f
me fields,
like vtag to 'retval' chunk from that wrong transport's asoc.
This patch is to fix it by setting 'retval' transport correctly which
belongs to the right asoc in sctp_make_init_ack() and
sctp_sf_do_5_1D_ce().
Fixes: b9fd683982c9 ("sctp: add sctp_packet_singlet
res for the Add
Incoming Streams Request Parameter")
Reported-by: Ying Xu
Signed-off-by: Xin Long
---
net/sctp/stream.c | 19 ---
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 6c188b0..80e0ae5 100644
--- a/net/sctp/str
quot;sctp: implement receiver-side procedures for the Incoming
SSN Reset Request Parameter")
Fixes: 11ae76e67a17 ("sctp: implement receiver-side procedures for the Reconf
Response Parameter")
Reported-by: Ying Xu
Signed-off-by: Xin Long
---
net/sctp/stream.c | 39 +---
in sctp_v4/6_copy_addrlist().
Reported-by: Alexander Potapenko
Signed-off-by: Xin Long
---
net/sctp/ipv6.c | 5 +
net/sctp/protocol.c | 4 +---
2 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index b9ed271..ed8e006 100644
--- a/net/sctp/ipv6.c
in erspan_xmit() according to erspan_ver. While at
it, also remove the unused parameter 'proto' in erspan_fb_xmit().
Fixes: 94d7d8f29287 ("ip6_gre: add erspan v2 support")
Reported-by: Jianlin Shi
Signed-off-by: Xin Long
---
net/ipv4/ip_gre.c | 23 ++-
n
On Mon, Jan 14, 2019 at 5:34 PM Alexander Potapenko wrote:
>
> On Mon, Dec 10, 2018 at 9:56 AM Xin Long wrote:
> >
> > On Thu, Dec 6, 2018 at 8:08 PM Marcelo Ricardo Leitner
> > wrote:
> > >
> > > On Thu, Dec 06, 2018 at 11:36:08AM +0100, Alexander Po
On Sat, Sep 8, 2018 at 1:57 AM Kent Overstreet
wrote:
>
> All existing users have been converted to generic radix trees
NAK, SCTP is still using flex_arrays,
# grep flex_array net/sctp/*
This patch will break the build.
>
> Signed-off-by: Kent Overstreet
> Acked-by: Dave Hansen
> ---
> Docume
e28...@syzkaller.appspotmail.com
Signed-off-by: Xin Long
---
net/sctp/ipv6.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index fc6c5e4..7f0539d 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -101,6 +101,7 @@ static int sctp_inet6addr_event(str
On Thu, Dec 6, 2018 at 8:08 PM Marcelo Ricardo Leitner
wrote:
>
> On Thu, Dec 06, 2018 at 11:36:08AM +0100, Alexander Potapenko wrote:
> > On Wed, Dec 5, 2018 at 8:31 PM syzbot
> > wrote:
> > >
> > > Hello,
> > >
> > > syzbot found the following crash on:
> > >
> > > HEAD commit:fffec98ae2a6
s, while flex_array_clear() and flex_array_shrink() are called to
free the unused memory before shrinking.
Fixes: 5e32a431 ("sctp: introduce stream scheduler foundations")
Reported-by: Ying Xu
Reported-by: syzbot+e33a3a138267ca119...@syzkaller.appspotmail.com
Suggested-by: Neil Hor
ested-by: Neil Horman
Signed-off-by: Xin Long
Acked-by: Neil Horman
---
include/linux/flex_array.h | 11 +
lib/flex_array.c | 58 ++
2 files changed, 69 insertions(+)
diff --git a/include/linux/flex_array.h b/include/linux/flex_ar
) for managing its
stream memory so far.
v1->v2:
Cc LKML and more developers.
Xin Long (3):
flex_array: make FLEX_ARRAY_BASE_SIZE the same value of
FLEX_ARRAY_PART_SIZE
flex_array: support flex_array_resize
sctp: fa_resize sctp stream instead of redo fa_alloc
inc
added in the next patch.
Suggested-by: Neil Horman
Signed-off-by: Xin Long
Acked-by: Neil Horman
---
include/linux/flex_array.h | 29 +
lib/flex_array.c | 15 ---
2 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/include/
On Sat, Nov 17, 2018 at 4:18 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:ccda4af0f4b9 Linux 4.20-rc2
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=156cd53340
> kernel config: https://syzkaller.appspot.com/x/
port+0xacb/0xb20
> net/sctp/input.c:971
> Read of size 8 at addr 8881cde426b0 by task syz-executor3/18110
>
The same fix is needed in sctp_epaddr_lookup_transport() as:
commit bab1be79a5169ac748d8292b20c86d874022d7ba
Author: Xin Long
Date: Mon Aug 27 18:38:31 20
_asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
> sctp_hash_transport+0x803/0x810 net/sctp/input.c:958
Caused by:
commit cd2b708750582e327789d8fb07c6eb5f79f7759f
Author: Xin Long
Date: Fri Feb 17 16:35:24 2017 +0800
sctp: check duplicate node before inserting a new transport
On Mon, Nov 5, 2018 at 5:49 PM Jiri Olsa wrote:
>
> On Mon, Nov 05, 2018 at 03:20:15PM +0900, Xin Long wrote:
>
> SNIP
>
> > > > > [root@ibm-x3650m4-02 perf]# ./perf probe 'consume_skb'
> > > > > [root@ibm-x3650m4-02 perf]# .
On Mon, Nov 5, 2018 at 4:18 AM Jiri Olsa wrote:
>
> On Sat, Nov 03, 2018 at 06:36:21PM +0900, Xin Long wrote:
> > On Fri, Nov 2, 2018 at 7:26 PM Jiri Olsa wrote:
> > >
> > > On Fri, Nov 02, 2018 at 03:36:13PM +0900, Xin Long wrote:
> > > > On ups
On Fri, Nov 2, 2018 at 7:26 PM Jiri Olsa wrote:
>
> On Fri, Nov 02, 2018 at 03:36:13PM +0900, Xin Long wrote:
> > On upstream kernel(4.19) or RHEL-8 kernel(4.18.0):
> >
> > # perf record -e 'skb:consume_skb' -ag
> > ^C[ perf record: Woken up 1 times to writ
On upstream kernel(4.19) or RHEL-8 kernel(4.18.0):
# perf record -e 'skb:consume_skb' -ag
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.612 MB perf.data (634 samples) ]
# perf script
swapper 0 [009] 274370.117711: skb:consume_skb: skbaddr=0x962c591d
> Subject: net/sctp/socket.c:2681:6-11: ERROR: invalid reference to the index
> variable of the iterator on line 2661
>
> CC: kbuild-...@01.org
> CC: linux-kernel@vger.kernel.org
> TO: Xin Long
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gi
ate_heartbeat_event+0x218/0x450 net/sctp/sm_sideeffect.c:406
>> call_timer_fn+0x230/0x940 kernel/time/timer.c:1326
>>
>>
>> Some kind of infinite loop.
>>
>> When the hrtimer fires, it can point to any code that sits below but does
>> not necessarily have a bug
On Sat, May 19, 2018 at 11:57 PM, Eric Dumazet wrote:
> SCTP experts, please take a look.
>
> On 05/19/2018 08:55 AM, syzbot wrote:
>> Hello,
>>
>> syzbot found the following crash on:
>>
>> HEAD commit:73fcb1a370c7 Merge branch 'akpm' (patches from Andrew)
>> git tree: upstream
>> conso
On Wed, May 16, 2018 at 6:53 PM, Dmitry Vyukov wrote:
> On Wed, May 16, 2018 at 12:44 PM, Xin Long wrote:
>> On Wed, May 16, 2018 at 4:11 PM, syzbot
>> wrote:
>>> Hello,
>>>
>>> syzbot found the following crash on:
>>>
>>> HEAD commit:
On Wed, May 16, 2018 at 4:11 PM, syzbot
wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:961423f9fcbc Merge branch 'sctp-Introduce-sctp_flush_ctx'
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1366aea780
> kernel config: htt
dump_stack.c:77 [inline]
> dump_stack+0x185/0x1d0 lib/dump_stack.c:113
> kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
> __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683
> __sctp_v6_cmp_addr+0x49a/0x850 net/sctp/ipv6.c:580
Pls check if the testing kernel has this commit:
commi
On Mon, May 14, 2018 at 9:34 PM, Neil Horman wrote:
> On Fri, May 11, 2018 at 12:00:38PM +0200, Dmitry Vyukov wrote:
>> On Mon, Apr 30, 2018 at 8:09 PM, syzbot
>> wrote:
>> > Hello,
>> >
>> > syzbot found the following crash on:
>> >
>> > HEAD commit:5d1365940a68 Merge
>> > git://git.kernel.o
On Tue, May 8, 2018 at 9:58 PM, syzbot
wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:f142f08bf7ec Fix typo in comment.
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1159ade780
> kernel config: https://syzkaller.appspot.co
On Wed, May 2, 2018 at 5:06 PM, Michal Kubecek wrote:
> Hello,
>
> while investigating a bug, we noticed that DLM tries to connect an SCTP
> socket in non-blocking mode using
>
> result = sock->ops->connect(sock, (struct sockaddr *)&daddr, addr_len,
> O_
On Mon, Apr 23, 2018 at 9:02 AM, syzbot
wrote:
> Hello,
>
> syzbot hit the following crash on upstream commit
> 83beed7b2b26f232d782127792dd0cd4362fdc41 (Fri Apr 20 17:56:32 2018 +)
> Merge branch 'fixes' of
> git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
> syzbot da
On Mon, Apr 9, 2018 at 6:44 AM, Richard Haines
wrote:
> On Sun, 2018-04-08 at 19:59 +0100, Richard Haines via Selinux wrote:
>> On Mon, 2018-04-09 at 01:43 +0800, Xin Long wrote:
>> > On Sun, Apr 8, 2018 at 10:09 PM, Richard Haines
>> > wrote:
>> > > On Sun
d in my
>> tree, but I don't actually expect the merge to have had any issues
>> even if the refactoring made it a bit more complex than most merges
>> are.
>>
>> Thanks for the quick response Richard.
>>
>> Xin Long looked it over and gave it the thum
On Sat, Apr 7, 2018 at 7:07 AM, Linus Torvalds
wrote:
> On Tue, Apr 3, 2018 at 6:37 PM, Paul Moore wrote:
>>
>> Everything passes the selinux-testsuite, but there are a few known
>> merge conflicts. The first is with the netdev tree and is in
>> net/sctp/socket.c. Unfortunately it is a bit ugly
On Tue, Mar 13, 2018 at 3:34 PM, syzbot
wrote:
> Hello,
>
> syzbot hit the following crash on net-next commit
> fd372a7a9e5e9d8011a0222d10edd3523abcd3b1 (Thu Mar 8 19:43:48 2018 +)
> Merge tag 'mlx5-updates-2018-02-28-2' of
> git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
>
> Unf
On Sun, Mar 11, 2018 at 3:04 AM, Neil Horman wrote:
> On Sun, Mar 11, 2018 at 12:22:32AM +0800, Xin Long wrote:
>> On Sat, Mar 10, 2018 at 9:13 PM, Neil Horman wrote:
>> > On Sat, Mar 10, 2018 at 03:58:04PM +0800, Xin Long wrote:
>> >> On Sat, Mar 10, 2018 at 6:08
On Sat, Mar 10, 2018 at 9:13 PM, Neil Horman wrote:
> On Sat, Mar 10, 2018 at 03:58:04PM +0800, Xin Long wrote:
>> On Sat, Mar 10, 2018 at 6:08 AM, Neil Horman wrote:
>> > On Fri, Mar 09, 2018 at 12:59:06PM -0800, syzbot wrote:
>> >> Hello,
>> >>
>&g
On Sat, Mar 10, 2018 at 6:08 AM, Neil Horman wrote:
> On Fri, Mar 09, 2018 at 12:59:06PM -0800, syzbot wrote:
>> Hello,
>>
>> syzbot hit the following crash on net-next commit
>> fd372a7a9e5e9d8011a0222d10edd3523abcd3b1 (Thu Mar 8 19:43:48 2018 +)
>> Merge tag 'mlx5-updates-2018-02-28-2' of
>>
On Thu, Mar 8, 2018 at 10:07 AM, Stephen Rothwell wrote:
> Hi all,
>
> On Mon, 5 Mar 2018 12:40:54 +1100 Stephen Rothwell
> wrote:
>>
>> Today's linux-next merge of the selinux tree got a conflict in:
>>
>> net/sctp/socket.c
>>
>> between several refactoring commits from the net-next tree and
g. You may also want to consider
>>> cooperating with the maintainer of the conflicting tree to minimise any
>>> particularly complex conflicts.
>>>
>>> --
>>> Cheers,
>>> Stephen Rothwell
>>
>> The resolution now looks like below (
On Mon, Mar 5, 2018 at 9:40 AM, Stephen Rothwell wrote:
> Hi Paul,
>
> Today's linux-next merge of the selinux tree got a conflict in:
>
> net/sctp/socket.c
>
> between several refactoring commits from the net-next tree and commit:
>
> 2277c7cd75e3 ("sctp: Add LSM hooks")
>
> from the selinux
On Wed, Feb 21, 2018 at 9:59 PM, syzbot
wrote:
> Hello,
>
> syzbot hit the following crash on upstream commit
> 79c0ef3e85c015b0921a8fd5dd539d1480e9cd6c (Mon Feb 19 19:58:19 2018 +)
> Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
>
> So far this crash happened 2 times on
> http
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
On Thu, Feb 8, 2018 at 9:25 PM, Dmitry Vyukov wrote:
> On Thu, Feb 8, 2018 at 10:54 AM, Xin Long wrote:
>> On Thu, Feb 8, 2018 at 6:58 AM, syzbot
>> wrote:
>>> Hello,
>>>
>>> syzbot hit the following crash on upstream commit
>>> a2e5790d841658
On Thu, Feb 8, 2018 at 6:58 AM, syzbot
wrote:
> Hello,
>
> syzbot hit the following crash on upstream commit
> a2e5790d841658485d642196dbb0927303d6c22f (Wed Feb 7 06:15:42 2018 +)
> Merge branch 'akpm' (patches from Andrew)
>
> So far this crash happened 632 times on
> https://git.kernel.org/p
gt;> generated in sctp_eat_data and it can't be NULL.
>>
>> Reported-by: Marcelo Ricardo Leitner
>> Signed-off-by: Xin Long
>> Acked-by: Neil Horman
>> Signed-off-by: David S. Miller
>> Signed-off-by: Sasha Levin
>> ---
>> net/sctp/ulpqueu
On Thu, Feb 1, 2018 at 1:49 AM, Xin Long wrote:
> On Tue, Jan 30, 2018 at 11:59 PM, David Ahern wrote:
>> On 1/30/18 1:57 PM, David Ahern wrote:
>>> On 1/30/18 1:08 PM, Daniel Borkmann wrote:
>>>> On 01/30/2018 07:32 PM, Cong Wang wrote:
>>>>> O
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