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Tue, 1 Sep 2026 11:20:27 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id FE5vFPu0lmo6MwAAD6G6ig (envelope-from ); Tue, 01 Sep 2026 11:20:27 +0000 From: Petr Vorel To: zihanx@nebusec.ai Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, horms@kernel.org, idosch@nvidia.com, kaber@trash.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, stable@vger.kernel.org, vega@nebusec.ai, Petr Vorel Subject: Re: [PATCH net v3 1/1] ipv4: fib: bound automatic table ID allocation Date: Tue, 1 Sep 2026 13:20:25 +0200 Message-ID: <20260901112025.855917-1-pvorel@suse.cz> X-Mailer: git-send-email 2.55.0 In-Reply-To: <6f2f2a7a136aee005512a2e1ac8ede62ac8c7bb6.1788258884.git.zihanx@nebusec.ai> References: <6f2f2a7a136aee005512a2e1ac8ede62ac8c7bb6.1788258884.git.zihanx@nebusec.ai> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Level: X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: F2F1D227CB X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWELVE(0.00)[14]; RCVD_VIA_SMTP_AUTH(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.cz:dkim,suse.cz:email,suse.cz:mid]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.cz:+] X-Spam-Flag: NO X-Spam-Score: -3.01 > diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c > index 4edb0dca7be8..060501b376a8 100644 > --- a/net/ipv4/fib_rules.c > +++ b/net/ipv4/fib_rules.c > @@ -214,6 +214,8 @@ INDIRECT_CALLABLE_SCOPE int fib4_rule_match(struct fib_rule *rule, > return 1; > } > > +#define FIB_MAX_AUTO_TABLE_ID 4096 > + > static struct fib_table *fib_empty_table(struct net *net) > { > u32 id = 1; > @@ -222,7 +224,7 @@ static struct fib_table *fib_empty_table(struct net *net) > if (!fib_get_table(net, id)) > return fib_new_table(net, id); > > - if (id++ == RT_TABLE_MAX) > + if (id++ == FIB_MAX_AUTO_TABLE_ID) > break; > } > return NULL; Reviewed-by: Petr Vorel Kind regards, Petr