netdev - Re: [PATCH v1 net-next 00/12] ipv4: fib: Convert RTM_NEWROUTE and RTM

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Message-ID: <20250225162448.3a3c4133@kernel.org>
Date: Tue, 25 Feb 2025 16:24:48 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: "David S. Miller" <davem@...emloft.net>, David Ahern
 <dsahern@...nel.org>, Eric Dumazet <edumazet@...gle.com>, "Paolo Abeni"
 <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Kuniyuki Iwashima
 <kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: Re: [PATCH v1 net-next 00/12] ipv4: fib: Convert RTM_NEWROUTE and
 RTM_DELROUTE to per-netns RTNL.

On Tue, 25 Feb 2025 10:22:38 -0800 Kuniyuki Iwashima wrote:
> Patch 1 is a misc cleanup.
> Patch 2 ~ 8 converts two fib_info hash tables to per-netns.
> Patch 9 ~ 12 converts rtnl_lock() to rtnl_net_lcok().

Breaks quite a few tests :(

unreferenced object 0xffff88800bfc6800 (size 256):
  comm "ip", pid 577, jiffies 4294699578
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    __kmalloc_node_noprof+0x35d/0x4a0
    fib4_semantics_init+0x25/0xf0
    fib_net_init+0x17e/0x340
    ops_init+0x189/0x550
    setup_net+0x189/0x750
    copy_net_ns+0x1f7/0x340
    create_new_namespaces+0x35f/0x920
    unshare_nsproxy_namespaces+0x8d/0x130
    ksys_unshare+0x2a9/0x660
    __x64_sys_unshare+0x31/0x40
    do_syscall_64+0xc1/0x1d0
    entry_SYSCALL_64_after_hwframe+0x77/0x7f
-- 
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