From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
dsahern@kernel.org, kuniyu@amazon.com, jiri@resnulli.us,
netdev@vger.kernel.org, eric.dumazet@gmail.com
Subject: Re: [PATCH net-next 0/5] net: remove RTNL from fib_seq_sum()
Date: Fri, 11 Oct 2024 22:50:41 +0000 [thread overview]
Message-ID: <172868704123.3018281.4916763990451712900.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20241009184405.3752829-1-edumazet@google.com>
Hello:
This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Wed, 9 Oct 2024 18:44:00 +0000 you wrote:
> This series is inspired by a syzbot report showing
> rtnl contention and one thread blocked in:
>
> 7 locks held by syz-executor/10835:
> #0: ffff888033390420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline]
> #0: ffff888033390420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x224/0xc90 fs/read_write.c:679
> #1: ffff88806df6bc88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1ea/0x500 fs/kernfs/file.c:325
> #2: ffff888026fcf3c8 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20e/0x500 fs/kernfs/file.c:326
> #3: ffffffff8f56f848 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: new_device_store+0x1b4/0x890 drivers/net/netdevsim/bus.c:166
> #4: ffff88805e0140e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
> #4: ffff88805e0140e8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1005
> #5: ffff88805c5fb250 (&devlink->lock_key#55){+.+.}-{3:3}, at: nsim_drv_probe+0xcb/0xb80 drivers/net/netdevsim/dev.c:1534
> #6: ffffffff8fcd1748 (rtnl_mutex){+.+.}-{3:3}, at: fib_seq_sum+0x31/0x290 net/core/fib_notifier.c:46
>
> [...]
Here is the summary with links:
- [net-next,1/5] fib: rules: use READ_ONCE()/WRITE_ONCE() on ops->fib_rules_seq
https://git.kernel.org/netdev/net-next/c/a716ff52bebf
- [net-next,2/5] ipv4: use READ_ONCE()/WRITE_ONCE() on net->ipv4.fib_seq
https://git.kernel.org/netdev/net-next/c/16207384d292
- [net-next,3/5] ipv6: use READ_ONCE()/WRITE_ONCE() on fib6_table->fib_seq
https://git.kernel.org/netdev/net-next/c/e60ea4544776
- [net-next,4/5] ipmr: use READ_ONCE() to read net->ipv[46].ipmr_seq
https://git.kernel.org/netdev/net-next/c/055202b16c58
- [net-next,5/5] net: do not acquire rtnl in fib_seq_sum()
https://git.kernel.org/netdev/net-next/c/2698acd6ea47
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2024-10-11 22:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-09 18:44 [PATCH net-next 0/5] net: remove RTNL from fib_seq_sum() Eric Dumazet
2024-10-09 18:44 ` [PATCH net-next 1/5] fib: rules: use READ_ONCE()/WRITE_ONCE() on ops->fib_rules_seq Eric Dumazet
2024-10-09 23:47 ` Kuniyuki Iwashima
2024-10-09 18:44 ` [PATCH net-next 2/5] ipv4: use READ_ONCE()/WRITE_ONCE() on net->ipv4.fib_seq Eric Dumazet
2024-10-09 23:53 ` Kuniyuki Iwashima
2024-10-09 18:44 ` [PATCH net-next 3/5] ipv6: use READ_ONCE()/WRITE_ONCE() on fib6_table->fib_seq Eric Dumazet
2024-10-09 23:55 ` Kuniyuki Iwashima
2024-10-09 18:44 ` [PATCH net-next 4/5] ipmr: use READ_ONCE() to read net->ipv[46].ipmr_seq Eric Dumazet
2024-10-10 0:05 ` Kuniyuki Iwashima
2024-10-09 18:44 ` [PATCH net-next 5/5] net: do not acquire rtnl in fib_seq_sum() Eric Dumazet
2024-10-10 0:07 ` Kuniyuki Iwashima
2024-10-09 21:16 ` [PATCH net-next 0/5] net: remove RTNL from fib_seq_sum() David Ahern
2024-10-11 22:50 ` patchwork-bot+netdevbpf [this message]
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