Re: INFO: rcu detected stall in corrupted (4)

2021-03-05 Thread Vinicius Costa Gomes
Dmitry Vyukov writes: > On Fri, Sep 4, 2020 at 8:49 PM syzbot > wrote: >> >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit:0f091e43 netlabel: remove unused param from audit_log_form.. >> git tree: net-next >> console output: https://syzkaller.appspot.com/x/log.txt

Re: INFO: task hung in rsvp_delete_filter_work

2021-03-05 Thread syzbot
syzbot suspects this issue was fixed by commit: commit 396d7f23adf9e8c436dd81a69488b5b6a865acf8 Author: Vlad Buslov Date: Tue Feb 16 16:22:00 2021 + net: sched: fix police ext initialization bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13dc3caed0 start commit: 14

Re: INFO: task hung in switchdev_deferred_process_work (2)

2021-02-27 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:5695e516 Merge tag 'io_uring-worker.v3-2021-02-25' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=135da5cad0 kernel config: https://syzkaller.appspot.com/x/.config?x=8c76dad

Re: INFO: rcu detected stall in sock_close (3)

2021-01-15 Thread syzbot
syzbot suspects this issue was fixed by commit: commit 98b89b649fce39dacb9dc036d6d0fdb8caff73f7 Author: Jens Axboe Date: Fri Oct 9 22:03:01 2020 + signal: kill JOBCTL_TASK_WORK bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b99c20d0 start commit: 7cc2a8ea Merge t

Re: INFO: trying to register non-static key in l2cap_sock_teardown_cb

2021-01-10 Thread syzbot
syzbot has bisected this issue to: commit 4680a7ee5db27772af40d83393fa0fb955b745b7 Author: Miklos Szeredi Date: Sat Oct 1 05:32:33 2016 + fuse: remove duplicate cs->offset assignment bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11fc80e750 start commit: 73b7a604 n

Re: INFO: trying to register non-static key in l2cap_sock_teardown_cb

2021-01-10 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:73b7a604 net: dsa: bcm_sf2: support BCM4908's integrated s.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=12ec4a48d0 kernel config: https://syzkaller.appspot.com/x/.config?x=9ce3412

Re: INFO: task hung in tls_sw_cancel_work_tx

2020-12-29 Thread Jakub Kicinski
On Fri, 07 Feb 2020 15:08:09 -0800 syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:90568ecf Merge tag 'kvm-5.6-2' of git://git.kernel.org/pub.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=16513809e0 > kernel config

Re: INFO: rcu detected stall in tipc_release

2020-12-20 Thread syzbot
syzbot suspects this issue was fixed by commit: commit cc00bcaa589914096edef7fb87ca5cee4a166b5c Author: Subash Abhinov Kasiviswanathan Date: Wed Nov 25 18:27:22 2020 + netfilter: x_tables: Switch synchronization to RCU bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1445c

Re: INFO: task can't die in corrupted (2)

2020-12-15 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:9317f948 Add linux-next specific files for 20201215 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=151add9750 kernel config: https://syzkaller.appspot.com/x/.config?x=5c81cc44aa25b5

Re: INFO: task hung in linkwatch_event (2)

2020-12-10 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:a7105e34 Merge branch 'hns3-next' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=155af80f50 kernel config: https://syzkaller.appspot.com/x/.config?x=2ac2dabe250b3a58 dashboard link: h

Re: INFO: rcu detected stall in exit_group

2020-11-09 Thread syzbot
syzbot suspects this issue was fixed by commit: commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6 Author: David Howells Date: Fri Oct 16 12:21:14 2020 + afs: Fix cell removal bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b65c3a50 start commit: 34d4ddd3 Merge tag '

Re: INFO: rcu detected stall in security_file_open (3)

2020-11-06 Thread David Howells
#syz fix: afs: Fix cell removal

Re: INFO: rcu detected stall in ip_list_rcv

2020-11-06 Thread David Howells
#syz fix: afs: Fix cell removal

Re: INFO: rcu detected stall in ip_list_rcv

2020-10-29 Thread syzbot
syzbot suspects this issue was fixed by commit: commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6 Author: David Howells Date: Fri Oct 16 12:21:14 2020 + afs: Fix cell removal bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=164fdca850 start commit: fb0155a0 Merge tag '

Re: INFO: rcu detected stall in security_file_open (3)

2020-10-29 Thread syzbot
syzbot suspects this issue was fixed by commit: commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6 Author: David Howells Date: Fri Oct 16 12:21:14 2020 + afs: Fix cell removal bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14bc220a50 start commit: fb0155a0 Merge tag '

Re: INFO: task hung in hub_port_init

2020-10-06 Thread Oliver Neukum
Am Dienstag, den 06.10.2020, 01:19 -0700 schrieb syzbot: Hi, > HEAD commit:d3d45f82 Merge tag 'pinctrl-v5.9-2' of git://git.kernel.or.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=14c3b3db90 > kernel config: https://syzkaller.appspot.com/x/.conf

Re: INFO: rcu detected stall in batadv_nc_worker (3)

2020-10-01 Thread Dmitry Vyukov
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:

Re: INFO: task hung in tcf_action_init_1

2020-09-30 Thread syzbot
Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+82752bc5331601cf4...@syzkaller.appspotmail.com Tested on: commit: d5b70379 request_module() git tree: https://github.com/congwang/linux.git net kernel config:

Re: INFO: task hung in tcf_action_init_1

2020-09-30 Thread Cong Wang
#syz test: https://github.com/congwang/linux.git net

Re: Info

2020-09-20 Thread Mrs. Frau Kiran
I'm Mrs.Frau Kiran, an indian, philanthropist and art collector. I bring to you a Beneficial CharityProposal to assist me with. If interested!, respond back. I will be more detailed on proposal in my next email to you. Best Regards Mrs.Frau Kiran

Re: INFO: task hung in ctrl_getfamily

2020-09-14 Thread syzbot
syzbot suspects this issue was fixed by commit: commit 47733f9daf4fe4f7e0eb9e273f21ad3a19130487 Author: Cong Wang Date: Sat Aug 15 23:29:15 2020 + tipc: fix uninit skb->data in tipc_nl_compat_dumpit() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13f287b390 start co

Re: INFO: rcu detected stall in cleanup_net (4)

2020-09-09 Thread Jakub Kicinski
On Wed, 09 Sep 2020 14:54:36 -0700 Vinicius Costa Gomes wrote: > > Vinicius, could you please take a look at all the syzbot reports which > > point to your commit? I know syzbot bisection is not super reliable, > > but at least 3 reports point to your commit now, so something's > > probably going o

Re: INFO: rcu detected stall in cleanup_net (4)

2020-09-09 Thread Vinicius Costa Gomes
Hi Jakub, Jakub Kicinski writes: > On Tue, 08 Sep 2020 22:29:21 -0700 syzbot wrote: >> Hello, >> >> syzbot found the following issue on: >> >> HEAD commit:59126901 Merge tag 'perf-tools-fixes-for-v5.9-2020-09-03' .. >> git tree: upstream >> console output: https://syzkaller.appspot.c

Re: INFO: rcu detected stall in cleanup_net (4)

2020-09-09 Thread Jakub Kicinski
On Tue, 08 Sep 2020 22:29:21 -0700 syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:59126901 Merge tag 'perf-tools-fixes-for-v5.9-2020-09-03' .. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=12edb93590 > kernel config

Re: INFO: task hung in tcf_ife_init

2020-09-03 Thread Cong Wang
On Thu, Sep 3, 2020 at 2:47 AM Eric Dumazet wrote: > This commit might be related : > > commit 4e407ff5cd67ec76a1deec227b7982dc7f66 > Author: Cong Wang > Date: Sun Aug 19 12:22:12 2018 -0700 > > act_ife: move tcfa_lock down to where necessary It does not look like my commit's fault. Fr

Re: INFO: task hung in tcf_ife_init

2020-09-03 Thread Vlad Buslov
On Thu 03 Sep 2020 at 18:33, syzbot wrote: > syzbot has bisected this issue to: > > commit 4e8ddd7f1758ca4ddd0c1f7cf3e66fce736241d2 > Author: Vlad Buslov > Date: Thu Jul 5 14:24:30 2018 + > > net: sched: don't release reference on action overwrite > > bisection log: https://syzkaller.

Re: INFO: task hung in tcf_ife_init

2020-09-03 Thread syzbot
syzbot has bisected this issue to: commit 4e8ddd7f1758ca4ddd0c1f7cf3e66fce736241d2 Author: Vlad Buslov Date: Thu Jul 5 14:24:30 2018 + net: sched: don't release reference on action overwrite bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ae08e990 start commit: 19

Re: INFO: task hung in tcf_ife_init

2020-09-03 Thread Eric Dumazet
On 9/3/20 1:48 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:1996cf46 net: bcmgenet: fix mask check in bcmgenet_validat.. > git tree: net > console output: https://syzkaller.appspot.com/x/log.txt?x=17233f4d90 > kernel config: https://syzkall

Re: INFO: task hung in tls_sk_proto_close

2020-08-29 Thread syzbot
syzbot has bisected this issue to: commit 02d21b59d5cc4b4b395bbc2a29319b8a529ebeff Author: Ido Schimmel Date: Wed Jan 23 14:32:59 2019 + mlxsw: spectrum_nve: Enable VXLAN on Spectrum-2 bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e89b0590 start commit: 5438dd45

Re: INFO: task hung in tls_sk_proto_close

2020-08-28 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:b36c9697 Add linux-next specific files for 20200828 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11ae3d6190 kernel config: https://syzkaller.appspot.com/x/.config?x=5e3cf99580b554

Re: INFO: task can't die in p9_fd_close

2020-08-27 Thread Dominique Martinet
Mark Brown wrote on Wed, Aug 26, 2020: > On Wed, Aug 26, 2020 at 03:38:15AM -0700, syzbot wrote: > > > console output: https://syzkaller.appspot.com/x/log.txt?x=10615b3690 > > kernel config: https://syzkaller.appspot.com/x/.config?x=a61d44f28687f508 > > dashboard link: https://syzkaller.appsp

Re: INFO: task can't die in p9_fd_close

2020-08-26 Thread Mark Brown
On Wed, Aug 26, 2020 at 03:38:15AM -0700, syzbot wrote: > console output: https://syzkaller.appspot.com/x/log.txt?x=10615b3690 > kernel config: https://syzkaller.appspot.com/x/.config?x=a61d44f28687f508 > dashboard link: https://syzkaller.appspot.com/bug?extid=fbe34b643e462f65e542 > compiler:

Re: INFO: trying to register non-static key in l2cap_chan_del

2020-08-05 Thread syzbot
syzbot has found a reproducer for the following issue on: HEAD commit:4c900a6b farsync: switch from 'pci_' to 'dma_' API git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=1561801a90 kernel config: https://syzkaller.appspot.com/x/.config?x=91a13b78c7dc258d

Re: INFO: trying to register non-static key in skb_queue_purge

2020-07-31 Thread syzbot
syzbot has bisected this issue to: commit 65b27995a4ab8fc51b4adc6b4dcdca20f7a595bb Author: Heiner Kallweit Date: Mon Aug 12 21:52:19 2019 + net: phy: let phy_speed_down/up support speeds >1Gbps bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1327ef5090 start commit:

Re: INFO: task hung in synchronize_rcu (3)

2020-07-24 Thread syzbot
syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 + tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=149057ef10 start commi

Re: INFO: rcu detected stall in netlink_sendmsg (4)

2020-07-23 Thread syzbot
syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 + tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16d46e1b10 start commi

Re: INFO: task hung in ovs_exit_net

2020-07-23 Thread Eelco Chaudron
On 23 Jul 2020, at 13:06, Hillf Danton wrote: Wed, 22 Jul 2020 23:27:19 -0700 syzbot found the following issue on: Fixes: eac87c413bf9 ("net: openvswitch: reorder masks array based on usage") by moving cancel_delayed_work_sync() in to the rcu cb, therefore out of ovs lock. To facilita

Re: INFO: rcu detected stall in seq_read (2)

2020-07-22 Thread Eric Dumazet
On 7/22/20 11:02 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:4fa640dc Merge tag 'vfio-v5.8-rc7' of git://github.com/awi.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=145cac3090 > kernel config: https://

Re: INFO: rcu detected stall in sock_close (3)

2020-07-20 Thread syzbot
syzbot has bisected this issue to: commit 5e9eeccc58f3e6bcc99b929670665d2ce047e9c9 Author: Tuong Lien Date: Wed Jun 3 05:06:01 2020 + tipc: fix NULL pointer dereference in streaming bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16c5517d10 start commit: 7cc2a8ea Me

Re: INFO: rcu detected stall in sys_clock_settime

2020-07-19 Thread syzbot
syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 + tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=167142f090 start commi

Re: INFO: rcu detected stall in iterate_cleanup_work (2)

2020-07-19 Thread syzbot
syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 + tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=141ed08710 start commi

Re: INFO: rcu detected stall in __sys_sendmsg

2020-07-16 Thread syzbot
syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 + tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=109a63cf10 start commi

Re: INFO: rcu detected stall in __do_sys_clock_adjtime

2020-07-15 Thread syzbot
syzbot has bisected this issue to: commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 + tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=158ab3e090 start commi

Re: INFO: rcu detected stall in netlink_sendmsg (4)

2020-07-05 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:9e50b94b Add linux-next specific files for 20200703 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=13e6ec3310 kernel config: https://syzkaller.appspot.com/x/.config?x=f99cc0faa1476e

Re: INFO: trying to register non-static key in ath9k_htc_rxep

2020-06-20 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:f8f02d5c USB: OTG: rename product list of devices git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=15fd18a510 kernel co

Re: INFO: task hung in corrupted (2)

2020-06-10 Thread Jiri Kosina
On Thu, 11 Jun 2020, Peter Hutterer wrote: > based on the line numbers it's the while loop in there which is also the one > that could be unbounded if the hid collection isn't set up correctly or if > we have some other corruption happening. Given the fact this is syzkaller-induced, it's almost c

Re: INFO: task hung in corrupted (2)

2020-06-10 Thread Peter Hutterer
On Thu, Jun 04, 2020 at 01:41:07PM +0200, Jiri Kosina wrote: > On Tue, 2 Jun 2020, Andrey Konovalov wrote: > > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit:b0c3ba31 Merge tag 'fsnotify_for_v5.7-rc8' of > > > git://git.ke.. > > > git tree: upstream

Re: INFO: task hung in corrupted (2)

2020-06-04 Thread Jiri Kosina
On Tue, 2 Jun 2020, Andrey Konovalov wrote: > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit:b0c3ba31 Merge tag 'fsnotify_for_v5.7-rc8' of git://git.ke.. > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=14089eee10 > > ker

Re: INFO: task hung in linkwatch_event (2)

2020-05-06 Thread Yunsheng Lin
+cc Xiaoguang & Jens On 2020/5/6 14:56, Hillf Danton wrote: > > Wed, 29 Apr 2020 02:59:13 -0700 >> syzbot found the following crash on: >> >> HEAD commit:b4f63322 Merge branch 'for-linus' of git://git.kernel.org/.. >> git tree: upstream >> console output: https://syzkaller.appspot.com/x/

Re: INFO: task hung in linkwatch_event (2)

2020-05-06 Thread Yunsheng Lin
On 2020/5/6 12:25, Hillf Danton wrote: > > On Wed, 6 May 2020 09:38:21 Yunsheng Lin wrote: >> >> On 2020/4/29 17:59, syzbot wrote: >>> Hello, >>> >>> syzbot found the following crash on: >>> >>> HEAD commit:b4f63322 Merge branch 'for-linus' of git://git.kernel.org/.. >>> git tree: upstre

Re: INFO: task hung in linkwatch_event (2)

2020-05-05 Thread Yunsheng Lin
On 2020/4/29 17:59, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:b4f63322 Merge branch 'for-linus' of git://git.kernel.org/.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1558936fe0 > kernel config: https://syzk

Re: INFO: rcu detected stall in wg_packet_tx_worker

2020-05-04 Thread Jason A. Donenfeld
So in spite of this Syzkaller bug being unrelated in the end, I've continued to think about the stacktrace a bit, and combined with some other [potentially false alarm] bug reports I'm trying to wrap my head around, I'm a bit a curious about ideal usage for the udp_tunnel API. All the uses I've se

Re: INFO: rcu detected stall in br_handle_frame

2019-09-10 Thread Cong Wang
#syz fix: sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero

Re: INFO: trying to register non-static key in mwifiex_unregister_dev

2019-06-03 Thread Andrey Konovalov
On Mon, Jun 3, 2019 at 3:31 PM syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:69bbe8c7 usb-fuzzer: main usb gadget fuzzer driver > git tree: https://github.com/google/kasan.git usb-fuzzer > console output: https://syzkaller.appspot.com/x/log.txt?x=1448d

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-25 Thread Jesper Dangaard Brouer
On Mon, 25 Feb 2019 08:55:40 -0800 Joe Perches wrote: > On Mon, 2019-02-25 at 09:39 +0100, Jesper Dangaard Brouer wrote: > > On Sat, 23 Feb 2019 01:47:00 +0100 > > Daniel Borkmann wrote: > > > > > On 02/22/2019 10:45 PM, Jakub Kicinski wrote: > > > > On Fri, 22 Feb 2019 12:14:57 -0800, Joe

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-25 Thread Joe Perches
On Mon, 2019-02-25 at 09:39 +0100, Jesper Dangaard Brouer wrote: > On Sat, 23 Feb 2019 01:47:00 +0100 > Daniel Borkmann wrote: > > > On 02/22/2019 10:45 PM, Jakub Kicinski wrote: > > > On Fri, 22 Feb 2019 12:14:57 -0800, Joe Perches wrote: > > > > On Fri, 2019-02-22 at 12:01 -0800, Jakub Kicins

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-25 Thread Jesper Dangaard Brouer
On Sat, 23 Feb 2019 01:47:00 +0100 Daniel Borkmann wrote: > On 02/22/2019 10:45 PM, Jakub Kicinski wrote: > > On Fri, 22 Feb 2019 12:14:57 -0800, Joe Perches wrote: > >> On Fri, 2019-02-22 at 12:01 -0800, Jakub Kicinski wrote: > >>> Hi! > >>> > >>> Seems like something funny is going on with

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-22 Thread Daniel Borkmann
On 02/22/2019 10:45 PM, Jakub Kicinski wrote: > On Fri, 22 Feb 2019 12:14:57 -0800, Joe Perches wrote: >> On Fri, 2019-02-22 at 12:01 -0800, Jakub Kicinski wrote: >>> Hi! >>> >>> Seems like something funny is going on with get_maintainer.pl since XDP >>> entry got added. We seem to have been CCed

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-22 Thread Jakub Kicinski
On Fri, 22 Feb 2019 12:14:57 -0800, Joe Perches wrote: > On Fri, 2019-02-22 at 12:01 -0800, Jakub Kicinski wrote: > > Hi! > > > > Seems like something funny is going on with get_maintainer.pl since XDP > > entry got added. We seem to have been CCed on: > > I suggest removing the MAINTAINERS li

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-22 Thread Joe Perches
On Fri, 2019-02-22 at 12:01 -0800, Jakub Kicinski wrote: > Hi! > > Seems like something funny is going on with get_maintainer.pl since XDP > entry got added. We seem to have been CCed on: I suggest removing the MAINTAINERS line with K: xdp as xdp is a pretty generic file/patch con

Re: INFO: task hung in rtnetlink_rcv_msg

2019-02-22 Thread Jakub Kicinski
Hi! Seems like something funny is going on with get_maintainer.pl since XDP entry got added. We seem to have been CCed on: net: ns83820: code cleanup for ns83820_probe_phy() veth: Fix -Wformat-truncation INFO: task hung in rtnetlink_rcv_msg I tried Florian's veth patch myself and it does indeed

Re: INFO: rcu detected stall in netlink_sendmsg

2019-02-17 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:8d33316d5205 Merge branch 'x86-urgent-for-linus' of git://.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14d5f3bcc0 kernel config: https://syzkaller.appspot.com/x/.config?x=ee4345

Re: INFO: task hung in vhost_init_device_iotlb

2019-01-30 Thread Dmitry Vyukov
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

Re: INFO: task hung in vhost_init_device_iotlb

2019-01-29 Thread Michael S. Tsirkin
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 > console output: https://syzkaller.appspot.com/x/log.txt?x=17476498c0 > kernel

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-20 Thread Tetsuo Handa
On 2019/01/20 22:30, Dmitry Vyukov wrote: >> The first messages I want to look at is kernel output. Then, I look at >> syz-program lines as needed. But current "a self-contained file" is >> hard to find kernel output. > > I think everybody looks at kernel crash first, that's why we provide > kerne

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-20 Thread Dmitry Vyukov
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 retry by > >> modifying > >> syz-prog

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-19 Thread Tetsuo Handa
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 retry by >> modifying >> syz-program lines in order to get a new hash value until collision is >> a

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-19 Thread Dmitry Vyukov
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 "no output from test machine (2)" > > > >> ( https://syzkaller.a

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-17 Thread Tetsuo Handa
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 "no output from test machine (2)" > > >> ( https://syzkaller.appspot.com/text?tag=CrashLog&x=1700726f40 ) > > >> says that ther

Re: INFO: task hung in genl_family_rcv_msg

2019-01-11 Thread Dmitry Vyukov
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:

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-07 Thread Dmitry Vyukov
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 ) > >> says that there are flood of memory allocation fa

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-06 Thread Tetsuo Handa
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 ) >> says that there are flood of memory allocation failure messages. >> Since continuous memory allocation failure

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-06 Thread Dmitry Vyukov
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: > > #syz dup: kernel panic: corrupted stack end in wb_

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-05 Thread Tetsuo Handa
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: #syz dup: kernel panic: corrupted stack end in wb_workfn >>> >>> Why? >>> >>> RCU stall in this case is likely t

Re: INFO: rcu detected stall in ndisc_alloc_skb

2019-01-02 Thread Tetsuo Handa
On 2018/12/31 17:24, Dmitry Vyukov wrote: >>> Since this involves OOMs and looks like a one-off induced memory corruption: >>> >>> #syz dup: kernel panic: corrupted stack end in wb_workfn >>> >> >> Why? >> >> RCU stall in this case is likely to be latency caused by flooding of >> printk(). > > Ju

Re: INFO: rcu detected stall in ndisc_alloc_skb

2018-12-31 Thread Dmitry Vyukov
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: > >> > >> HEAD commit:ef4ab8447aa2 selftests: bpf: install script with_addr.s

Re: INFO: rcu detected stall in ndisc_alloc_skb

2018-12-31 Thread Tetsuo Handa
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: >> >> HEAD commit:ef4ab8447aa2 selftests: bpf: install script with_addr.sh >> git tree: bpf-next >> console output: https://syzkaller.appspo

Re: INFO: rcu detected stall in ndisc_alloc_skb

2018-12-30 Thread Dmitry Vyukov
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

Re: INFO: rcu detected stall in pfkey_sendmsg

2018-12-19 Thread Florian Westphal
Dmitry Vyukov wrote: > 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.

Re: INFO: rcu detected stall in pfkey_sendmsg

2018-12-19 Thread Dmitry Vyukov
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

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread David Miller
From: Florian Westphal Date: Fri, 14 Dec 2018 17:23:33 +0100 > Christophe Gouault wrote: >> The main use cases I have encountered and tried to address with the >> hash-based lookup were network operator use cases: >> - a lot of dynamic /32 <=> /32 policies (protecting GTP tunnels) >> - or a lot

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread Christophe Gouault
Le ven. 14 déc. 2018 à 17:23, Florian Westphal a écrit : > I won't send a patch to remove your work, at least not at this time. > > In case I'd do this removal (thresholds, hash table, or both) > i will make these tests to see how large the impact is. Perfect, thanks Christophe

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread Florian Westphal
Christophe Gouault wrote: > The main use cases I have encountered and tried to address with the > hash-based lookup were network operator use cases: > - a lot of dynamic /32 <=> /32 policies (protecting GTP tunnels) > - or a lot of dynamic policies with the same prefix lengths (e.g. /16 <=> /24) >

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread Christophe Gouault
Le ven. 14 déc. 2018 à 15:35, Florian Westphal a écrit : > Ok. An alternative would be to remove the support for > policy hash table thresholds (which decide what kinds of policies > go to exact table and which ones go into inexact ones), i.e. > partially revert 880a6fab8f6ba5b5abe59ea6 > ("xfrm:

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread Herbert Xu
On Fri, Dec 14, 2018 at 03:35:32PM +0100, Florian Westphal wrote: > > Ok. An alternative would be to remove the support for > policy hash table thresholds (which decide what kinds of policies > go to exact table and which ones go into inexact ones), i.e. > partially revert 880a6fab8f6ba5b5abe59ea6

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread Florian Westphal
Wolfgang Walter wrote: [ CCing Christophe ] > Am Montag, 10. Dezember 2018, 09:58:56 schrieb David Miller: > > From: Florian Westphal > > Date: Mon, 10 Dec 2018 13:47:24 +0100 > > > > > After recent tree conversion, we could probably make the exact policies > > > part of the 'inexact tree' (wh

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-14 Thread Wolfgang Walter
Am Montag, 10. Dezember 2018, 09:58:56 schrieb David Miller: > From: Florian Westphal > Date: Mon, 10 Dec 2018 13:47:24 +0100 > > > After recent tree conversion, we could probably make the exact policies > > part of the 'inexact tree' (which would be renamed to 'policy tree' or > > some such). >

Re: INFO: task hung in ctrl_getfamily

2018-12-11 Thread Dmitry Vyukov
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

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-10 Thread David Miller
From: Florian Westphal Date: Mon, 10 Dec 2018 13:47:24 +0100 > After recent tree conversion, we could probably make the exact policies > part of the 'inexact tree' (which would be renamed to 'policy tree' or > some such). > > Special-casing the exact policies made a lot of sense when we had > a

Re: INFO: rcu detected stall in xfrm_hash_rebuild

2018-12-10 Thread Florian Westphal
syzbot wrote: > Hello, > > syzbot found the following crash on: [..] > Workqueue: events xfrm_hash_rebuild Ignoring this report for a second -- I think it makes sense to see if we can just remove the entire hash table rebuild/resize code. After recent tree conversion, we could probably make th

Re: INFO: rcu detected stall in is_bpf_text_address

2018-05-28 Thread Marcelo Ricardo Leitner
On Sun, May 20, 2018 at 04:26:03PM +0800, Xin Long wrote: > 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 Me

Re: INFO: rcu detected stall in is_bpf_text_address

2018-05-28 Thread Marcelo Ricardo Leitner
On Sun, May 20, 2018 at 04:26:03PM +0800, Xin Long wrote: > 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 Me

Re: INFO: rcu detected stall in skb_free_head

2018-05-26 Thread Dmitry Vyukov
On Sun, Apr 29, 2018 at 6:33 PM, syzbot wrote: > Hello, > > syzbot hit the following crash on upstream commit > a27fc14219f2e3c4a46ba9177b04d9b52c875532 (Mon Apr 16 21:07:39 2018 +) > Merge branch 'parisc-4.17-3' of > git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux > syzbot d

Re: INFO: rcu detected stall in kmem_cache_alloc_node_trace

2018-05-26 Thread Dmitry Vyukov
On Mon, Apr 30, 2018 at 8:05 PM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:17dec0a94915 Merge branch 'userns-linus' of > git://git.kerne... > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?id=6093051722203136 > kernel co

Re: INFO: rcu detected stall in sctp_generate_heartbeat_event

2018-05-26 Thread Dmitry Vyukov
On Tue, May 8, 2018 at 2:06 PM, Marcelo Ricardo Leitner wrote: > On Tue, May 08, 2018 at 12:35:02AM -0700, syzbot wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit:90278871d4b0 Merge git://git.kernel.org/pub/scm/linux/kern.. >> git tree: net-next >> console ou

Re: INFO: rcu detected stall in kfree_skbmem

2018-05-26 Thread Dmitry Vyukov
On Mon, May 14, 2018 at 8:04 PM, Xin Long wrote: > 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: >>> > >>>

Re: INFO: rcu detected stall in sctp_packet_transmit

2018-05-26 Thread Dmitry Vyukov
On Wed, May 16, 2018 at 2:12 PM, Dmitry Vyukov wrote: > On Wed, May 16, 2018 at 1:02 PM, Xin Long wrote: wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:961423f9fcbc Merge branch 'sctp-Introduce-sctp_flush_ctx' > git tree: net-next

Re: INFO: rcu detected stall in ip_route_output_key_hash

2018-05-26 Thread Dmitry Vyukov
On Wed, May 16, 2018 at 5:29 PM, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit:0b7d9978406f Merge branch 'Microsemi-Ocelot-Ethernet-switc.. > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1138c47780 > kernel config:

Re: INFO: rcu detected stall in corrupted

2018-05-26 Thread Dmitry Vyukov
On Thu, May 24, 2018 at 11:02 AM, Xin Long wrote: > On Thu, May 24, 2018 at 7:13 AM, Marcelo Ricardo Leitner > wrote: >> On Mon, May 21, 2018 at 11:13:46AM -0700, Eric Dumazet wrote: >>> >>> >>> On 05/21/2018 11:09 AM, David Miller wrote: >>> > From: syzbot >>> > Date: Mon, 21 May 2018 11:05:02

Re: INFO: rcu detected stall in corrupted

2018-05-24 Thread Xin Long
On Thu, May 24, 2018 at 7:13 AM, Marcelo Ricardo Leitner wrote: > On Mon, May 21, 2018 at 11:13:46AM -0700, Eric Dumazet wrote: >> >> >> On 05/21/2018 11:09 AM, David Miller wrote: >> > From: syzbot >> > Date: Mon, 21 May 2018 11:05:02 -0700 >> > >> >> find_match+0x244/0x13a0 net/ipv6/route.c:69

  1   2   >