- 06 7月, 2005 13 次提交
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由 Thomas Graf 提交于
Signed-off-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
- rt_check_expire() fixes (an overflow occured if size of the hash was >= 65536) reminder of the bugfix: The rt_check_expire() has a serious problem on machines with large route caches, and a standard HZ value of 1000. With default values, ie ip_rt_gc_interval = 60*HZ = 60000 ; the loop count : for (t = ip_rt_gc_interval << rt_hash_log; t >= 0; overflows (t is a 31 bit value) as soon rt_hash_log is >= 16 (65536 slots in route cache hash table). In this case, rt_check_expire() does nothing at all Signed-off-by: NEric Dumazet <dada1@cosmosbay.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
- rt hash table allocated using alloc_large_system_hash() function. Signed-off-by: NEric Dumazet <dada1@cosmosbay.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
- Locking abstraction - Spinlocks moved out of rt hash table : Less memory (50%) used by rt hash table. it's a win even on UP. - Sizing of spinlocks table depends on NR_CPUS Signed-off-by: NEric Dumazet <dada1@cosmosbay.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Inflating a node a couple of times makes it exceed the 128k kmalloc limit. Use __get_free_pages for allocations > PAGE_SIZE, as in fib_hash. Signed-off-by: NPatrick McHardy <kaber@trash.net> Acked-by: NRobert Olsson <Robert.Olsson@data.slu.se> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
Makes IPv4 ip_rcv registration happen last in af_inet. Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Thomas Graf 提交于
Current behaviour is to not report an error if a rate estimator is created together with a qdisc and the configuration of the rate estimator is bogus. This leads to unexpected behaviour because the user is not notified. New behaviour is to report the error and let the whole qdisc creation operation fail so the user is able to fix his mistake. Signed-off-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Thomas Graf 提交于
Adds qdisc_alloc() to share code between qdisc_create() and qdisc_create_dflt(). Hides the qdisc alignment behind macros and makes use of them. Signed-off-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Thomas Graf 提交于
Signed-off-by: NThomas Graf <tgraf@suug.ch> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
As suggested by Herbert Xu: Since we don't require anything to be in the linear packet range anymore make len cover the entire packet. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
skb_header_pointer handles linear and non-linear data, no need to handle linear data again. Signed-off-by: NPatrick McHardy <kaber@trash.net> Acked-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 6月, 2005 14 次提交
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由 Patrick McHardy 提交于
In 2.6.12 we started dropping the conntrack reference when a packet leaves the IP layer. This broke connection tracking on a bridge, because bridge-netfilter defers calling some NF_IP_* hooks to the bridge layer for locally generated packets going out a bridge, where the conntrack reference is no longer available. This patch keeps the reference in this case as a temporary solution, long term we will remove the defered hook calling. No attempt is made to drop the reference in the bridge-code when it is no longer needed, tc actions could already have sent the packet anywhere. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Denis Vlasenko 提交于
Signed-off-by: NDenis Vlasenko <vda@ilport.com.ua> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki 提交于
Remove two more unused IPV6_AUTHHDR option things, which I failed to remove them last time, plus, mark IPV6_AUTHHDR obsolete. Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Neil Horman 提交于
In an smp system, it is possible for an connection timer to expire, calling ip_vs_conn_expire while the connection table is being flushed, before ct_write_lock_bh is acquired. Since the list iterator loop in ip_vs_con_flush releases and re-acquires the spinlock (even though it doesn't re-enable softirqs), it is possible for the expiration function to modify the connection list, while it is being traversed in ip_vs_conn_flush. The result is that the next pointer gets set to NULL, and subsequently dereferenced, resulting in an oops. Signed-off-by: NNeil Horman <nhorman@redhat.com> Acked-by: JulianAnastasov Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Robert Olsson 提交于
This should help up the insertion... but the resize is more crucial. and complex and needs some thinking. Signed-off-by: NRobert Olsson <robert.olsson@its.uu.se> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Vlad Yasevich 提交于
Signed-off-by: NVlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: NSridhar Samudrala <sri@us.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Maxime Bizon 提交于
I think there is a small bug in ipconfig.c in case IPCONFIG_DHCP is set and dhcp is used. When a DHCPOFFER is received, ip address is kept until we get DHCPACK. If no ack is received, ic_dynamic() returns negatively, but leaves the offered ip address in ic_myaddr. This makes the main loop in ip_auto_config() break and uses the maybe incomplete configuration. Not sure if it's the best way to do, but the following trivial patch correct this. Signed-off-by: NMaxime Bizon <mbizon@freebox.fr> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dietmar Eggemann 提交于
I followed Thomas' proposal to see every martian destination as a case where the ipInAddrErrors counter has to be incremented. There are two advantages by doing so: (1) The relation between the ipInReceive counter and all the other ipInXXX counters is more accurate in the case the RTN_UNICAST code check fails and (2) it makes the code in ip_route_input_slow easier. Signed-off-by: NDietmar Eggemann <dietmar.eggemann@gmx.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki 提交于
Each IPv6 Temporary Address (w/ CONFIG_IPV6_PRIVACY) is dumped twice to netlink. Because temporary addresses are listed in idev->addr_list, there's no need to dump idev->tempaddr separately. Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Plug holes with padding fields and initialized them to zero. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Mostly missing initialization of padding fields of 1 or 2 bytes length, two instances of uninitialized nlmsgerr->msg of 16 bytes length. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Patrick McHardy 提交于
Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Harald Welte 提交于
This patch adds mangling of ARP requests (in addition to replies), since ARP caches are made from snooping both requests and replies. Signed-off-by: NHarald Welte <laforge@netfilter.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
When converting over the skb_header_pointer(), I converted parts of this module incorrectly. Kill the 'u' union in ebt_log() and all the bogus references to it. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 27 6月, 2005 5 次提交
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由 pageexec 提交于
From: <pageexec@freemail.hu> $subject was fixed in 2.4 already, 2.6 needs it as well. The impact of the bugs is a kernel stack overflow and privilege escalation from CAP_NET_ADMIN via the IP_VS_SO_SET_STARTDAEMON/IP_VS_SO_GET_DAEMON ioctls. People running with 'root=all caps' (i.e., most users) are not really affected (there's nothing to escalate), but SELinux and similar users should take it seriously if they grant CAP_NET_ADMIN to other users. Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
1) netlink_release() should only decrement the hash entry count if the socket was actually hashed. This was causing hash->entries to underflow, which resulting in all kinds of troubles. On 64-bit systems, this would cause the following conditional to erroneously trigger: err = -ENOMEM; if (BITS_PER_LONG > 32 && unlikely(hash->entries >= UINT_MAX)) goto err; 2) netlink_autobind() needs to propagate the error return from netlink_insert(). Otherwise, callers will not see the error as they should and thus try to operate on a socket with a zero pid, which is very bad. However, it should not propagate -EBUSY. If two threads race to autobind the socket, that is fine. This is consistent with the autobind behavior in other protocols. So bug #1 above, combined with this one, resulted in hangs on netlink_sendmsg() calls to the rtnetlink socket. We'd try to do the user sendmsg() with the socket's pid set to zero, later we do a socket lookup using that pid (via the value we stashed away in NETLINK_CB(skb).pid), but that won't give us the user socket, it will give us the rtnetlink socket. So when we try to wake up the receive queue, we dive back into rtnetlink_rcv() which tries to recursively take the rtnetlink semaphore. Thanks to Jakub Jelink for providing backtraces. Also, thanks to Herbert Xu for supplying debugging patches to help track this down, and also finding a mistake in an earlier version of this fix. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Robert Olsson 提交于
Signed-off-by: NRobert Olsson <robert.olsson@its.uu.se> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Adrian Bunk 提交于
It doesn't seem to make much sense to let an "If unsure, say N." option default to y. Signed-off-by: NAdrian Bunk <bunk@stusta.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Since it is tristate when we offer it as a choice, we should definte it also as tristate when forcing it as the default. Otherwise kconfig warns. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 26 6月, 2005 1 次提交
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由 Christoph Lameter 提交于
1. Establish a simple API for process freezing defined in linux/include/sched.h: frozen(process) Check for frozen process freezing(process) Check if a process is being frozen freeze(process) Tell a process to freeze (go to refrigerator) thaw_process(process) Restart process frozen_process(process) Process is frozen now 2. Remove all references to PF_FREEZE and PF_FROZEN from all kernel sources except sched.h 3. Fix numerous locations where try_to_freeze is manually done by a driver 4. Remove the argument that is no longer necessary from two function calls. 5. Some whitespace cleanup 6. Clear potential race in refrigerator (provides an open window of PF_FREEZE cleared before setting PF_FROZEN, recalc_sigpending does not check PF_FROZEN). This patch does not address the problem of freeze_processes() violating the rule that a task may only modify its own flags by setting PF_FREEZE. This is not clean in an SMP environment. freeze(process) is therefore not SMP safe! Signed-off-by: NChristoph Lameter <christoph@lameter.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 25 6月, 2005 4 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Create TCP_CONG_ADVANCED option, akin to IP_ADVANCED_ROUTER, which when disabled will bypass all of the congestion control Kconfig options and leave the user with a safe default. That safe default is currently BIC-TCP with new Reno as a fallback. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Most users need not be concerned with a complex choice of what FIB lookup algorithm to use. So give them the safe default of IP_FIB_HASH if IP_ADVANCED_ROUTING is disabled. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Do not present these confusing new options to the user unless he picked some facility that makes use of it, such as NET_EMATCH_TEXT. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 24 6月, 2005 3 次提交
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由 Adrian Bunk 提交于
Another rollup of patches which give various symbols static scope Signed-off-by: NAdrian Bunk <bunk@stusta.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 NeilBrown 提交于
rpc_create_client was modified recently to do its own (synchronous) NULL ping of the server. We'd rather do that on our own, asynchronously, so that we don't have to block the nfsd thread doing the probe, and so that setclientid handling (hence, client mounts) can proceed normally whether the callback is succesful or not. (We can still function fine without the callback channel--we just won't be able to give out delegations till it's verified to work.) Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: NNeil Brown <neilb@cse.unsw.edu.au> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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