* [moderation/CI] Re: macsec: Add support for VLAN filtering in offload mode
@ 2026-03-07 14:17 syzbot ci
2026-03-07 18:57 ` Aleksandr Nogikh
0 siblings, 1 reply; 2+ messages in thread
From: syzbot ci @ 2026-03-07 14:17 UTC (permalink / raw)
To: syzkaller-upstream-moderation; +Cc: syzbot
syzbot ci has tested the following series
[v3] macsec: Add support for VLAN filtering in offload mode
https://lore.kernel.org/all/20260306151004.2862198-1-cratiu@nvidia.com
* [PATCH net v3 1/3] nsim: Add support for VLAN filters
* [PATCH net v3 2/3] selftests: Add macsec offload VLAN tests
* [PATCH net v3 3/3] macsec: Support VLAN-filtering lower devices
and found the following issue:
WARNING in nsim_destroy
Full report is available here:
https://ci.syzbot.org/series/82631b62-e289-479c-90ac-235c613bbae1
***
WARNING in nsim_destroy
tree: net
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net.git
base: b06ccbabe2506fd70b9167a644978b049150224a
arch: amd64
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
config: https://ci.syzbot.org/builds/0beaf859-b4a7-4d7b-b4cf-b7e48e02f7a5/config
C repro: https://ci.syzbot.org/findings/6f1250ca-99f0-4162-b147-c373abd95c96/c_repro
syz repro: https://ci.syzbot.org/findings/6f1250ca-99f0-4162-b147-c373abd95c96/syz_repro
------------[ cut here ]------------
1
WARNING: drivers/net/netdevsim/netdev.c:1235 at nsim_destroy+0x155/0x780 drivers/net/netdevsim/netdev.c:1235, CPU#1: kworker/u8:3/5864
Modules linked in:
CPU: 1 UID: 0 PID: 5864 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:nsim_destroy+0x155/0x780 drivers/net/netdevsim/netdev.c:1235
Code: c4 48 89 c6 48 81 e6 00 f0 00 00 31 ff e8 c3 f0 af fa 4c 89 e0 48 25 00 f0 00 00 74 0c e8 d3 eb af fa eb 2e e8 cc eb af fa 90 <0f> 0b 90 41 ff c4 41 0f b7 d4 be 00 10 00 00 4c 89 ff e8 74 6d 8f
RSP: 0018:ffffc90004857628 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff110222a31b8 RCX: ffff88816f3fd700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff90109377 R09: 1ffffffff202126e
R10: dffffc0000000000 R11: fffffbfff202126f R12: 0000000000000000
R13: ffff888111518dc0 R14: dffffc0000000000 R15: ffff888111519508
FS: 0000000000000000(0000) GS:ffff8882a94ae000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb04e16038 CR3: 000000000e54a000 CR4: 00000000000006f0
Call Trace:
<TASK>
__nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1528
nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1540 [inline]
nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764
nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1038
devlink_reload+0x1d1/0x8d0 net/devlink/dev.c:461
devlink_pernet_pre_exit+0x1e6/0x3f0 net/devlink/core.c:507
ops_pre_exit_list net/core/net_namespace.c:161 [inline]
ops_undo_list+0x187/0x940 net/core/net_namespace.c:234
cleanup_net+0x56b/0x800 net/core/net_namespace.c:704
process_one_work kernel/workqueue.c:3275 [inline]
process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3358
worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
kthread+0x388/0x470 kernel/kthread.c:467
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.
The email will later be sent to:
[andrew@lunn.ch cratiu@nvidia.com davem@davemloft.net dtatulea@nvidia.com edumazet@google.com kuba@kernel.org netdev@vger.kernel.org pabeni@redhat.com sd@queasysnail.net]
If the report looks fine to you, reply with:
#syz upstream
If the report is a false positive, reply with
#syz invalid
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [moderation/CI] Re: macsec: Add support for VLAN filtering in offload mode
2026-03-07 14:17 [moderation/CI] Re: macsec: Add support for VLAN filtering in offload mode syzbot ci
@ 2026-03-07 18:57 ` Aleksandr Nogikh
0 siblings, 0 replies; 2+ messages in thread
From: Aleksandr Nogikh @ 2026-03-07 18:57 UTC (permalink / raw)
To: syzbot ci; +Cc: syzkaller-upstream-moderation, syzbot
#syz upstream
On Sat, Mar 7, 2026 at 2:17 PM syzbot ci
<syzbot+ci4ef4c4c489b62632@syzkaller.appspotmail.com> wrote:
>
> syzbot ci has tested the following series
>
> [v3] macsec: Add support for VLAN filtering in offload mode
> https://lore.kernel.org/all/20260306151004.2862198-1-cratiu@nvidia.com
> * [PATCH net v3 1/3] nsim: Add support for VLAN filters
> * [PATCH net v3 2/3] selftests: Add macsec offload VLAN tests
> * [PATCH net v3 3/3] macsec: Support VLAN-filtering lower devices
>
> and found the following issue:
> WARNING in nsim_destroy
>
> Full report is available here:
> https://ci.syzbot.org/series/82631b62-e289-479c-90ac-235c613bbae1
>
> ***
>
> WARNING in nsim_destroy
>
> tree: net
> URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net.git
> base: b06ccbabe2506fd70b9167a644978b049150224a
> arch: amd64
> compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
> config: https://ci.syzbot.org/builds/0beaf859-b4a7-4d7b-b4cf-b7e48e02f7a5/config
> C repro: https://ci.syzbot.org/findings/6f1250ca-99f0-4162-b147-c373abd95c96/c_repro
> syz repro: https://ci.syzbot.org/findings/6f1250ca-99f0-4162-b147-c373abd95c96/syz_repro
>
> ------------[ cut here ]------------
> 1
> WARNING: drivers/net/netdevsim/netdev.c:1235 at nsim_destroy+0x155/0x780 drivers/net/netdevsim/netdev.c:1235, CPU#1: kworker/u8:3/5864
> Modules linked in:
> CPU: 1 UID: 0 PID: 5864 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full)
> Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
> Workqueue: netns cleanup_net
> RIP: 0010:nsim_destroy+0x155/0x780 drivers/net/netdevsim/netdev.c:1235
> Code: c4 48 89 c6 48 81 e6 00 f0 00 00 31 ff e8 c3 f0 af fa 4c 89 e0 48 25 00 f0 00 00 74 0c e8 d3 eb af fa eb 2e e8 cc eb af fa 90 <0f> 0b 90 41 ff c4 41 0f b7 d4 be 00 10 00 00 4c 89 ff e8 74 6d 8f
> RSP: 0018:ffffc90004857628 EFLAGS: 00010246
> RAX: 0000000000000000 RBX: 1ffff110222a31b8 RCX: ffff88816f3fd700
> RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> RBP: 0000000000000000 R08: ffffffff90109377 R09: 1ffffffff202126e
> R10: dffffc0000000000 R11: fffffbfff202126f R12: 0000000000000000
> R13: ffff888111518dc0 R14: dffffc0000000000 R15: ffff888111519508
> FS: 0000000000000000(0000) GS:ffff8882a94ae000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 00007feb04e16038 CR3: 000000000e54a000 CR4: 00000000000006f0
> Call Trace:
> <TASK>
> __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1528
> nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1540 [inline]
> nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1764
> nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1038
> devlink_reload+0x1d1/0x8d0 net/devlink/dev.c:461
> devlink_pernet_pre_exit+0x1e6/0x3f0 net/devlink/core.c:507
> ops_pre_exit_list net/core/net_namespace.c:161 [inline]
> ops_undo_list+0x187/0x940 net/core/net_namespace.c:234
> cleanup_net+0x56b/0x800 net/core/net_namespace.c:704
> process_one_work kernel/workqueue.c:3275 [inline]
> process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3358
> worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
> kthread+0x388/0x470 kernel/kthread.c:467
> ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
> ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
> </TASK>
>
>
> ***
>
> If these findings have caused you to resend the series or submit a
> separate fix, please add the following tag to your commit message:
> Tested-by: syzbot@syzkaller.appspotmail.com
>
> ---
> This report is generated by a bot. It may contain errors.
> syzbot ci engineers can be reached at syzkaller@googlegroups.com.
>
> The email will later be sent to:
> [andrew@lunn.ch cratiu@nvidia.com davem@davemloft.net dtatulea@nvidia.com edumazet@google.com kuba@kernel.org netdev@vger.kernel.org pabeni@redhat.com sd@queasysnail.net]
>
> If the report looks fine to you, reply with:
> #syz upstream
>
> If the report is a false positive, reply with
> #syz invalid
>
> --
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2026-03-07 14:17 [moderation/CI] Re: macsec: Add support for VLAN filtering in offload mode syzbot ci
2026-03-07 18:57 ` Aleksandr Nogikh
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