On Sat, Apr 3, 2021 at 4:22 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:1e43c377 Merge tag 'xtensa-20210329' of git://github.com/j..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=114cdd4ad0
> kernel config:
On Mon, Apr 5, 2021 at 5:45 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:d19cc4bf Merge tag 'trace-v5.12-rc5' of git://git.kernel.o..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=14898326d0
> kernel config:
On Wed, Mar 10, 2021 at 7:28 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:0d7588ab riscv: process: Fix no prototype for arch_dup_tas..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
> fixes
> console output: https://syzk
On Fri, Jan 29, 2021 at 6:36 AM Hillf Danton wrote:
>
> On 29 Jan 2021 2:58:22 Jakub Kicinski wrpte:
>
> >On Thu, 28 Jan 2021 10:43:16 +0800 Hillf Danton wrote:
>
> >> Init the u64 stats in order to avoid the lockdep prints on the 32bit
>
> >> hardware like
>
> >
>
> >Thanks for the fix!
>
>
>
> H
On Sun, Feb 7, 2021 at 1:20 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:73d62e81 kmsan: random: prevent boot-time reports in _mix_..
> git tree: https://github.com/google/kmsan.git master
> console output: https://syzkaller.appspot.com/x/log.txt?x
t; fs/sysfs/file.c:139)
> [<805b4b44>] (sysfs_kf_write) from [<805b3c90>]
> (kernfs_fop_write_iter+0x128/0x1ec fs/kernfs/file.c:296)
> [<805b3b68>] (kernfs_fop_write_iter) from [<804d22fc>] (call_write_iter
> include/linux/fs.h:1901 [inline])
> [<8
On Mon, Dec 7, 2020 at 12:43 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:bcd684aa net/nfc/nci: Support NCI 2.x initial sequence
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=12001bd350
> kernel config: https
On Mon, Nov 30, 2020 at 12:33 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:90cf87d1 enetc: Let the hardware auto-advance the taprio b..
> git tree: net
> console output: https://syzkaller.appspot.com/x/log.txt?x=135479b350
> kernel config: htt
On Sat, Nov 14, 2020 at 9:42 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:96021828 MAINTAINERS/bpf: Update Andrii's entry.
> git tree: bpf
> console output: https://syzkaller.appspot.com/x/log.txt?x=102717be50
> kernel config: https://syzkalle
On Thu, Oct 1, 2020 at 12:35 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:fffe3ae0 Merge tag 'for-linus-hmm' of git://git.kernel.org..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=17e0334290
> kernel config:
On Tue, Jun 11, 2019 at 2:39 PM Arnd Bergmann wrote:
>
> On Tue, Jun 11, 2019 at 9:18 AM syzbot
> wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:f4cfcfbd net: dsa: sja1105: Fix link speed not working at ..
> > git tree: net
> > console output: htt
On Fri, May 31, 2019 at 7:11 PM Eric Dumazet wrote:
>
> On Fri, May 31, 2019 at 9:29 AM Andrea Parri
> wrote:
> >
> > On Fri, May 31, 2019 at 08:45:47AM -0700, Eric Dumazet wrote:
> > > On 5/31/19 7:45 AM, Herbert Xu wrote:
> >
> > > > In this case the code doesn't need them because an implicit
>
On Mon, Jun 3, 2019 at 5:29 AM David Ahern wrote:
>
> On 6/1/19 12:05 AM, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:f4aa8012 cxgb4: Make t4_get_tp_e2c_map static
> > git tree: net-next
> > console output: https://syzkaller.appspot.com/x/log
On Wed, May 29, 2019 at 7:48 AM Herbert Xu wrote:
>
> On Wed, May 29, 2019 at 07:43:51AM +0200, Dmitry Vyukov wrote:
> >
> > If fqdir->dead read/write are concurrent, then this still needs to be
> > READ_ONCE/WRITE_ONCE. Ordering is orthogonal to atomicity.
>
On Wed, May 29, 2019 at 7:40 AM Herbert Xu wrote:
>
> On Tue, May 28, 2019 at 06:31:00AM -0700, Eric Dumazet wrote:
> >
> > This smp_store_release() is a left over of the first version of the patch,
> > where
> > there was no rcu grace period enforcement.
> >
> > I do not believe there is harm le
On Sun, Mar 3, 2019 at 4:19 PM Al Viro wrote:
>
> On Sun, Mar 03, 2019 at 01:55:02PM +, Al Viro wrote:
>
> > Maybe unrelated to this bug, but... What's to prevent a wakeup
> > that happens just after we'd been added to a waitqueue by ->poll()
> > triggering aio_poll_wake(), which gets to aio_
On Mon, Sep 10, 2018 at 10:31 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:f6f3bac08ff9 tools/bpf: bpftool: add net support
> git tree: bpf-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1794005640
> kernel config: https://sy
On Mon, Jan 28, 2019 at 8:13 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:02f2d5aea531 kmsan: (presumably) fix dma_map_page_attrs()
> git tree: kmsan
> console output: https://syzkaller.appspot.com/x/log.txt?x=173a7310c0
> kernel config: https
On Wed, Feb 20, 2019 at 11:23 AM Herbert Xu wrote:
>
> On Mon, Jan 28, 2019 at 09:28:36AM +0100, Dmitry Vyukov wrote:
> >
> > > Weird, this is the kfree() on the error path of br_multicast_new_group()
> > > when rhashtable_lookup_insert_fast() fails, which means
On Wed, Sep 26, 2018 at 9:49 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:739d0def85ca Merge branch 'hv_netvsc-Support-LRO-RSC-in-th..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=13aa179e40
> kernel config:
On Thu, Aug 2, 2018 at 3:05 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:44960f2a7b63 staging: ashmem: Fix SIGBUS crash when traver..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10f7ea7240
> kernel config:
On Tue, Feb 19, 2019 at 10:10 AM Vlad Buslov wrote:
>
> This is fixed by Dan Carpenter's patch "net: sched: potential NULL
> dereference in tcf_block_find()" that was submitted yesterday.
+Dan
Let's tell syzbot that this is fixed:
#syz fix: net: sched: potential NULL dereference in tcf_block_fi
On Wed, Feb 13, 2019 at 2:52 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 crash on:
> > >
> > > HEAD commit:d4104460aec1 Add linux
On Wed, Feb 13, 2019 at 5:36 AM Xin Long wrote:
>
> 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:
On Tue, Feb 12, 2019 at 8:19 PM Marcelo Ricardo Leitner
wrote:
>
> On Tue, Feb 12, 2019 at 11:04:27AM -0800, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:d4104460aec1 Add linux-next specific files for 20190211
> > git tree: linux-next
>
> I ca
On Wed, Jan 30, 2019 at 10:02 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:62967898789d Merge git://git.kernel.org/pub/scm/linux/kern..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10f0bf08c0
> kernel config:
On Mon, Jan 7, 2019 at 10:53 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:f1c2f8857c5a Merge tag 'powerpc-4.21-2' of git://git.kerne..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16af96bb40
> kernel config:
On Fri, Feb 1, 2019 at 6:58 PM Cong Wang wrote:
>
> On Thu, Jan 31, 2019 at 10:56 PM Dmitry Vyukov wrote:
> > Hi Paul,
> >
> > Searching for af_netrom across other syzbot bugs:
> > https://groups.google.com/forum/#!searchin/syzkaller-bugs/af_netrom%7Csort:date
>
On Wed, Jan 30, 2019 at 10:30 PM Paul Moore wrote:
>
> On Wed, Jan 30, 2019 at 4:01 PM syzbot
> wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:62967898789d Merge git://git.kernel.org/pub/scm/linux/kern..
> > git tree: upstream
> > console output:
On Wed, Jan 30, 2019 at 3:30 PM Dmitry Vyukov wrote:
>
> On Wed, Jan 30, 2019 at 3:20 PM Florian Westphal wrote:
> >
> > Dmitry Vyukov wrote:
> > > > syzbot wrote:
> > > > > Hello,
> > > > >
> > > > > syzbot found t
On Wed, Jan 30, 2019 at 3:20 PM Florian Westphal wrote:
>
> Dmitry Vyukov wrote:
> > > syzbot wrote:
> > > > Hello,
> > > >
> > > > syzbot found the following crash on:
> > > >
> > > > HEAD commit:085c4c7dd2
On Tue, Jan 29, 2019 at 10:41 AM Florian Westphal wrote:
>
> syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:085c4c7dd2b6 net: lmc: remove -I. header search path
> > git tree: net-next
> > console output: https://syzkaller.appspot.com/x/log.txt?
On Tue, Jan 29, 2019 at 5:06 PM Michael S. Tsirkin wrote:
>
> On Tue, Jan 29, 2019 at 01:22:02AM -0800, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:983542434e6b Merge tag 'edac_fix_for_5.0' of git://git.ker..
> > git tree: upstream
> > consol
On Sun, Jan 27, 2019 at 10:34 PM Nikolay Aleksandrov
wrote:
>
> On 27/01/2019 22:26, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:ba6069759381 Merge tag 'mmc-v5.0-rc2' of git://git.kernel...
> > git tree: upstream
> > console output: https://s
as reported many times and recently with syzbot.
We need to test if ax25 is NULL before using it.
Testing:
Built kernel with CONFIG_ROSE=y.
Signed-off-by: Bernard Pidoux
Acked-by: Dmitry Vyukov
Reported-by: syzbot+1a2c456a1ea08fa5b...@syzkaller.appspotmail.com
Cc: "David S. Miller"
Cc:
On Sat, Jan 19, 2019 at 2:10 PM Tetsuo Handa
wrote:
>
> On 2019/01/19 21:16, Dmitry Vyukov wrote:
> >> The question for me is, whether sysbot can detect hash collision with
> >> different
> >> syz-program lines before writing the hash value to /dev/kmsg, and
On Sun, Jan 20, 2019 at 10:58 AM f6bvp wrote:
>
> Hi,
>
> Dmitry wrote:
>
> >Please also add:
> >Reported-by: syzbot+1a2c456a1ea08fa5b...@syzkaller.appspotmail.com
>
> I did mention syzbot report but without the exact reference, thanks.
>
> >It's this report we are fixing, right?
> >https://syzkal
On Fri, Jan 18, 2019 at 6:20 AM Tetsuo Handa
wrote:
>
> Dmitry Vyukov wrote:
> > On Sun, Jan 6, 2019 at 2:47 PM Tetsuo Handa
> > wrote:
> > >
> > > On 2019/01/06 22:24, Dmitry Vyukov wrote:
> > > >> A report at 2019/01/05 10:08 from
On Sat, Jan 19, 2019 at 11:58 AM f6bvp wrote:
>
>
> [PATCH] [ROSE] NULL ax25_cb kernel panic
>
> When an internally generated frame is handled by rose_xmit(),
> rose_route_frame() is called:
>
> if (!rose_route_frame(skb, NULL)) {
> dev_kfree_skb(skb);
> sta
On Mon, Jan 14, 2019 at 7:30 PM Eric W. Biederman wrote:
>
> zzoru writes:
>
> > I think that it is exactly same to:
> > https://groups.google.com/forum/#!searchin/linux.kernel/cleanup_net$20is$20slow%7Csort:date/linux.kernel/IMJ9OzonDSI/QH86oy1PAQAJ
> > Already, patch was maded, but maybe he for
On Sat, Jan 12, 2019 at 11:34 AM zzoru wrote:
>
> Probably, there is a memory bug on net object by setup_net() -> ops_init().
> (ipv4_sysctl_init_net, ipmr_net_init, etc...)
> I also found that this bug can reproduce v4.18-rc1~
>
> On Sat, Jan 12, 2019 at 8:51 AM Eric W. Biederman
> wrote:
>>
On Mon, Jan 14, 2019 at 10:58 AM 'Alexander Potapenko' via
syzkaller-bugs wrote:
>
> On Mon, Jan 14, 2019 at 10:56 AM Xin Long wrote:
> >
> > 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
On Mon, Jan 14, 2019 at 7:52 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:b71acb0e3721 Merge branch 'linus' of git://git.kernel.org/..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1492759f40
> kernel config:
On Fri, Jan 11, 2019 at 11:09 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:1bdbe2274920 Merge tag 'vfio-v5.0-rc2' of git://github.com..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=100dc60740
> kernel config:
On Mon, Jan 7, 2019 at 2:38 PM David Miller wrote:
>
> From: Ying Xue
> Date: Mon, 7 Jan 2019 19:29:52 +0800
>
> > This is because lc->name string is not validated before it's used.
>
> It looks like we have several situations like this, not just this one.
>
> For example, tipc_nl_compat_bearer_{
On Sun, Jan 6, 2019 at 2:47 PM Tetsuo Handa
wrote:
>
> On 2019/01/06 22:24, Dmitry Vyukov wrote:
> >> A report at 2019/01/05 10:08 from "no output from test machine (2)"
> >> ( https://syzkaller.appspot.com/text?tag=CrashLog&x=1700726f40 )
> >>
On Fri, Jan 4, 2019 at 7:05 PM Stefano Brivio wrote:
>
> On Fri, 4 Jan 2019 18:26:16 +0100
> Dmitry Vyukov wrote:
>
> > On Fri, Jan 4, 2019 at 6:14 PM Stefano Brivio wrote:
> > >
> > > On Fri, 4 Jan 2019 12:05:04 +0100
> > > Dmitry Vyukov w
On Sat, Jan 5, 2019 at 11:49 AM Tetsuo Handa
wrote:
>
> On 2019/01/03 2:06, Tetsuo Handa wrote:
> > On 2018/12/31 17:24, Dmitry Vyukov wrote:
> >>>> Since this involves OOMs and looks like a one-off induced memory
> >>>> corruption:
> >>>&
On Fri, Jan 4, 2019 at 11:58 PM syzbot
wrote:
>
> syzbot has found a reproducer for the following crash on:
>
> HEAD commit:96d4f267e40f Remove 'type' argument from access_ok() funct..
> git tree: net
> console output: https://syzkaller.appspot.com/x/log.txt?x=160c9a80c0
> kernel con
On Fri, Jan 4, 2019 at 6:14 PM Stefano Brivio wrote:
>
> On Fri, 4 Jan 2019 12:05:04 +0100
> Dmitry Vyukov wrote:
>
> > On Fri, Jan 4, 2019 at 11:54 AM Stefano Brivio wrote:
> > >
> > > On Fri, 4 Jan 2019 11:32:12 +0100
> > > Dmitry Vyukov wrote:
On Thu, Aug 2, 2018 at 10:14 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:fea49f60c9b7 net: ethernet: ti: cpsw: replace unnecessaril..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=16d5fae840
> kernel config:
On Fri, Jan 4, 2019 at 11:54 AM Stefano Brivio wrote:
>
> On Fri, 4 Jan 2019 11:32:12 +0100
> Dmitry Vyukov wrote:
>
> > On Thu, Jan 3, 2019 at 10:54 PM Stefano Brivio wrote:
> > >
> > > On Thu, 3 Jan 2019 15:15:06 -0600
> > > Willem de Bruijn wrote
On Fri, Jan 4, 2019 at 11:32 AM Dmitry Vyukov wrote:
>
> On Thu, Jan 3, 2019 at 10:54 PM Stefano Brivio wrote:
> >
> > On Thu, 3 Jan 2019 15:15:06 -0600
> > Willem de Bruijn wrote:
> >
> > > syzbot generated stack traces with
> > >
> > >
On Thu, Jan 3, 2019 at 10:54 PM Stefano Brivio wrote:
>
> On Thu, 3 Jan 2019 15:15:06 -0600
> Willem de Bruijn wrote:
>
> > syzbot generated stack traces with
> >
> > [ 183.517380] udpv6_err+0x46/0x60
> > [ 183.520739] ? __udp6_lib_err+0x1890/0x1890
> > [ 183.525054] gue6_err_proto_handler+
On Fri, Jan 4, 2019 at 10:46 AM syzbot
wrote:
>
> syzbot has found a reproducer for the following crash on:
>
> HEAD commit:645ff1e8e704 Merge branch 'for-linus' of git://git.kernel...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=172cee4b40
> kerne
On Wed, Jan 2, 2019 at 4:51 PM Christopher Lameter wrote:
>
> On Wed, 2 Jan 2019, Dmitry Vyukov wrote:
>
> > Am I missing something or __alloc_alien_cache misses check for
> > kmalloc_node result?
> >
> > static struct alien_cache *__alloc_
On Wed, Jan 2, 2019 at 12:36 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:903b77c63167 Merge tag 'linux-kselftest-4.21-rc1' of git:/..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=133428e340
> kernel config:
e failure situation when rose_route_frame is called with a NULL
> pointer.
>
> Could you explain with full details how to have "TCP/IP over AX.25 fully
> configured" ?
>
> More specifically how can we configure rose device without NOARP ? This is
> not the case whe
ss right?
> What this person specified is neither a legal IP (not in octal) nor legal MAC
> (needs six fields).
>
> --David
>
>
> Forwarded Message
> Subject: net/rose: GPF in rose_route_frame
> Date: Mon, 24 Dec 2018 11:25:22 +0100
> From: Dmitry
On Sun, Sep 23, 2018 at 10:14 AM Dmitry Vyukov wrote:
>
> On Sun, Sep 23, 2018 at 9:42 AM, syzbot
> wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:474ff2600889 net-ethtool: ETHTOOL_GUFO did not and should ..
>
On Mon, Dec 31, 2018 at 9:17 AM Tetsuo Handa
wrote:
>
> On 2018/12/31 16:49, Dmitry Vyukov wrote:
> > On Mon, Dec 31, 2018 at 8:42 AM syzbot
> > wrote:
> >>
> >> Hello,
> >>
> >> syzbot found the following crash on:
> >>
&
On Mon, Dec 31, 2018 at 8:42 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:ef4ab8447aa2 selftests: bpf: install script with_addr.sh
> git tree: bpf-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=14a28b6e40
> kernel config: htt
On Sun, Dec 30, 2018 at 12:00 PM Sven Eckelmann wrote:
>
> On Sunday, 30 December 2018 11.41.03 CET syzbot wrote:
> [...]
> > HEAD commit:d8924c0d76aa Merge tag 'devprop-4.21-rc1' of git://git.ker..
> > git tree: upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=122a
On Wed, Dec 26, 2018 at 11:42 AM Florian Westphal wrote:
>
> syzbot wrote:
> > syzbot has found a reproducer for the following crash on:
> >
> > HEAD commit:ce28bb445388 Merge git://git.kernel.org/pub/scm/linux/kern..
> > git tree: net-next
> > console output: https://syzkaller.appspot.
Hi,
Rose device crashes kernel after several seconds after up'ping. I am doing just:
# ip link set dev rose0 address 11:22:33:44:55
# ip link set dev rose0 up
Then after ~15 seconds or so:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
gene
On Wed, Dec 19, 2018 at 7:37 PM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:a26d94bff4d5 net: bridge: remove unneeded variable 'err'
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=14c7a4cd40
> kernel config: htt
On Tue, Dec 18, 2018 at 3:13 PM Stefano Brivio wrote:
>
> [Dropping syzbot from Cc:]
>
> On Tue, 18 Dec 2018 14:26:00 +0100
> Dmitry Vyukov wrote:
>
> > On Tue, Dec 18, 2018 at 1:40 PM Stefano Brivio
> > wrote:
> >
> > > Maybe it would be nic
On Tue, Dec 18, 2018 at 1:40 PM Stefano Brivio wrote:
>
> On Tue, 18 Dec 2018 09:49:17 +0100
> Dmitry Vyukov wrote:
>
> > On Tue, Dec 18, 2018 at 12:18 AM Stefano Brivio wrote:
> > >
> > > On Mon, 17 Dec 2018 16:53:36 +0100
> > > Dmitry Vyukov wrot
On Tue, Dec 18, 2018 at 12:18 AM Stefano Brivio wrote:
>
> On Mon, 17 Dec 2018 16:53:36 +0100
> Dmitry Vyukov wrote:
>
> > On Mon, Dec 17, 2018 at 4:24 PM Stefano Brivio wrote:
> > >
> > > On Mon, 17 Dec 2018 06:57:35 -0800
> > > Eric Dumazet
On Mon, Dec 17, 2018 at 12:29 PM Paul E. McKenney wrote:
> Any chance of a bisection?
Better later then never. Bisection also needs testing :)
syz-bisect -config bisect.cfg -crash dda626cdbd87eafe9a755acbbe102e2b6096b256
searching for guilty commit starting from 2aa55dccf83d
building syzkaller o
On Mon, Dec 17, 2018 at 4:24 PM Stefano Brivio wrote:
>
> On Mon, 17 Dec 2018 06:57:35 -0800
> Eric Dumazet wrote:
>
> > Might be cause by commit b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e
> > fou, fou6: ICMP error handlers for FoU and GUE
>
> This:
>
> diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
On Mon, Dec 17, 2018 at 4:00 PM Stefano Brivio wrote:
>
> On Mon, 17 Dec 2018 06:57:35 -0800
> Eric Dumazet wrote:
>
> > Might be cause by commit b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e
> > fou, fou6: ICMP error handlers for FoU and GUE
>
> Most likely, yes.
>
> > Please Stefano take a look, tha
On Mon, Dec 17, 2018 at 3:14 PM Arjan van de Ven wrote:
>
> On 12/17/2018 3:29 AM, Paul E. McKenney wrote:
> > As does this sort of report on a line that contains simple integer
> > arithmetic and boolean operations.;-)
> >
> > Any chance of a bisection?
>
> btw this looks like something caused a
On Mon, Dec 17, 2018 at 12:29 PM Paul E. McKenney wrote:
>
> On Mon, Dec 17, 2018 at 10:44:52AM +0100, Dmitry Vyukov wrote:
> > On Sun, Dec 16, 2018 at 8:04 PM Paul E. McKenney
> > wrote:
> > >
> > > On Sat, Dec 15, 2018 at 04:41:03AM -0800, syzbot wrote:
&
On Sun, Dec 16, 2018 at 8:04 PM Paul E. McKenney wrote:
>
> On Sat, Dec 15, 2018 at 04:41:03AM -0800, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:2aa55dccf83d hns3: prevent building without CONFIG_INET
> > git tree: net-next
> > console outpu
On Fri, Dec 14, 2018 at 5:53 PM Michal Hocko wrote:
>
> On Fri 14-12-18 15:31:44, Dmitry Vyukov wrote:
> > On Fri, Dec 14, 2018 at 2:54 PM Michal Hocko wrote:
> > >
> > > On Fri 14-12-18 14:42:33, Dmitry Vyukov wrote:
> > > > On Fri, D
On Fri, Dec 14, 2018 at 2:54 PM Michal Hocko wrote:
>
> On Fri 14-12-18 14:42:33, Dmitry Vyukov wrote:
> > On Fri, Dec 14, 2018 at 2:28 PM Michal Hocko wrote:
> > >
> > > On Fri 14-12-18 14:11:05, Dmitry Vyukov wrote:
> > > > On Fri, Dec
On Thu, Dec 13, 2018 at 1:24 PM Jon Maloy wrote:
>
>
>
> > -Original Message-
> > From: Dmitry Vyukov
> > Sent: 13-Dec-18 04:47
> > To: Jon Maloy
> > Cc: syzbot+9845fed98688e01f4...@syzkaller.appspotmail.com; David Miller
> > ; LKML ; netdev
On Thu, Dec 13, 2018 at 1:16 AM Jon Maloy wrote:
> > -Original Message-
> > From: syzbot
> > Sent: 12-Dec-18 06:11
> > To: da...@davemloft.net; Jon Maloy ; linux-
> > ker...@vger.kernel.org; netdev@vger.kernel.org; syzkaller-
> > b...@googlegroups.com; tipc-discuss...@lists.sourceforge.ne
On Wed, Dec 12, 2018 at 12:02 PM Dmitry Vyukov wrote:
>
> On Wed, Dec 12, 2018 at 11:57 AM syzbot
> wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:f5d582777bcb Merge branch 'for-linus' of git:/
On Wed, Dec 12, 2018 at 11:57 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:f5d582777bcb Merge branch 'for-linus' of git://git.kernel...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16e03afb40
> kernel config:
On Wed, Dec 12, 2018 at 11:57 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:f5d582777bcb Merge branch 'for-linus' of git://git.kernel...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1657b01b40
> kernel config:
On Mon, Dec 10, 2018 at 4:33 PM Dmitry Vyukov wrote:
>
> Hello,
>
> The following program crashes upstream kernel on
> 40e020c129cfc991e8ab4736d2665351ffd1468d (Dec 9) with:
>
> BUG: unable to handle kernel NULL pointer dereference at 0001
> PGD 0 P4D 0
> Oo
On Tue, Dec 11, 2018 at 11:03 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:40e020c129cf Linux 4.20-rc6
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=146ff5a340
> kernel config: https://syzkaller.appspot.com/x
On Tue, Dec 11, 2018 at 1:41 AM syzbot
wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:3f06bda61398 kmsan: remove excessive KMSAN wrappers from a..
> git tree: https://github.com/google/kmsan.git/master
> console output: https://syzkaller.appspot.com/x/log.txt?
ocking, we have to hold the sock refcnt before
> rhashtable_walk_stop() and release it after rhashtable_walk_start().
Thanks for the quick fix!
> Fixes: 07f6c4bc048a ("tipc: convert tipc reference table to use generic
> rhashtable")
> Reported-by: Dmitry Vyukov
> Cc:
Hello,
The following program crashes upstream kernel on
40e020c129cfc991e8ab4736d2665351ffd1468d (Dec 9) with:
BUG: unable to handle kernel NULL pointer dereference at 0001
PGD 0 P4D 0
Oops: [#1] SMP PTI
CPU: 1 PID: 45 Comm: kworker/1:1 Not tainted 4.20.0-rc6 #3
Hardware name: QE
On Thu, Dec 6, 2018 at 8:21 AM Xin Long wrote:
>
> On Thu, Dec 6, 2018 at 3:32 AM syzbot
> wrote:
> >
> > syzbot has found a reproducer for the following crash on:
> >
> > HEAD commit:0072a0c14d5b Merge tag 'media/v4.20-4' of git://git.kernel..
> > git tree: upstream
> > console output:
On Fri, Nov 30, 2018 at 4:02 PM, Ido Schimmel wrote:
> On Fri, Nov 30, 2018 at 08:59:09AM -0700, David Ahern wrote:
>> This does not repro for me:
>> # ./a.out
>> Invalid address length 6 - must be 4 bytes
>> RTNETLINK answers: No buffer space available
>> RTNETLINK answers: Operation not supporte
On Tue, Nov 27, 2018 at 4:20 PM, syzbot
wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:4bffc669d624 net: remove unsafe skb_insert()
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1385db8340
> kernel config: https://syzkalle
On Mon, Nov 26, 2018 at 12:07 AM, Matthew Wilcox wrote:
>> > Hello,
>> >
>> > syzbot found the following crash on:
>> >
>> > HEAD commit:aea0a897af9e ptp: Fix pass zero to ERR_PTR() in
>> > ptp_clock_..
>> > git tree: net-next
>>
>> If you found it on net-next, I'd suggets cc'ing linux-
On Thu, Oct 11, 2018 at 3:27 PM, Dmitry Vyukov wrote:
> On Thu, Oct 11, 2018 at 3:10 PM, Dominique Martinet
> wrote:
>> Dmitry Vyukov wrote on Thu, Oct 11, 2018:
>>> > That's still the tricky part, I'm afraid... Making a separate server
>>> > would h
On Thu, Oct 11, 2018 at 3:10 PM, Dominique Martinet
wrote:
> Dmitry Vyukov wrote on Thu, Oct 11, 2018:
>> > That's still the tricky part, I'm afraid... Making a separate server
>> > would have been easy because I could have reused some of my junk for the
>> &g
On Wed, Oct 10, 2018 at 5:58 PM, Dominique Martinet
wrote:
> Dmitry Vyukov wrote on Wed, Oct 10, 2018:
>> > The problem is that you can't just give the client a file like trans fd;
>> > you'd need to open an ""rdma socket"" (simplifying wording a
On Thu, Oct 11, 2018 at 2:03 PM, Ying Xue wrote:
>>> Hi,
>>>
>>> I am getting the following error while booting the latest kernel on
>>> bb2d8f2f61047cbde08b78ec03e4ebdb01ee5434 (Oct 10). Config is attached.
>>>
>>> Since this happens during boot, this makes LOCKDEP completely
>>> unusable, does n
On Thu, Oct 11, 2018 at 9:55 AM, Dmitry Vyukov wrote:
> Hi,
>
> I am getting the following error while booting the latest kernel on
> bb2d8f2f61047cbde08b78ec03e4ebdb01ee5434 (Oct 10). Config is attached.
>
> Since this happens during boot, this makes LOCKDEP completely
> unu
On Tue, Oct 2, 2018 at 4:04 PM, Eric Dumazet wrote:
> On Tue, Oct 2, 2018 at 6:46 AM Dmitry Vyukov wrote:
>>
>> On Tue, Oct 2, 2018 at 3:16 PM, Eric Dumazet wrote:
>> > On Tue, Oct 2, 2018 at 1:19 AM Dmitry Vyukov wrote:
>> >>
>> >> On
On Tue, Oct 2, 2018 at 3:16 PM, Eric Dumazet wrote:
> On Tue, Oct 2, 2018 at 1:19 AM Dmitry Vyukov wrote:
>>
>> On Tue, Oct 2, 2018 at 7:49 AM, Eric Dumazet wrote:
>>
>>
>> Does inet_frag_kill() hold fq->lock? I am missing how inet_frag_kill()
>>
On Tue, Oct 2, 2018 at 7:49 AM, Eric Dumazet wrote:
> syszbot found an interesting use-after-free [1] happening
> while IPv4 fragment rhashtable was destroyed at netns dismantle.
>
> While no insertions can possibly happen at the time a dismantling
> netns is destroying this rhashtable, timers can
On Thu, Sep 27, 2018 at 7:50 PM, Cong Wang wrote:
> On Thu, Sep 27, 2018 at 1:11 AM Dmitry Vyukov wrote:
>>
>> Would a stack trace for call_rcu be helpful here? I have this idea for
>> a long time, but never get around to implementing it:
>> https://bugzilla.kernel
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