Re: Fw: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst_release()
On Tue, 29 Aug 2006 20:24:33 +0200, Thomas Graf said: > > Seeing this a lot on 2.6.18-rc4-mm3 with 2 different stack tracebacks > > (one for received packets, other for sending). I already picked up the > > fix for the ^ / confusion in fib_rules.c and that didn't help matters. > > Should be fixed by this patch: > > commit 4305fabb7e4c63ddc3a4fd38aab9ec3f6575b111 > Author: YOSHIFUJI Hideaki <[EMAIL PROTECTED]> > Date: Mon Aug 28 13:19:30 2006 -0700 > > [IPV6] ROUTE: Fix dst reference counting in ip6_pol_route_lookup(). > > In ip6_pol_route_lookup(), when we finish backtracking at the > top-level root entry, we need to hold it. Confirming patch fixes the problem I'm seeing, thanks... pgpbHPZHNFMaY.pgp Description: PGP signature
Re: Fw: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst_release()
* Andrew Morton <[EMAIL PROTECTED]> 2006-08-29 09:16 > > > Begin forwarded message: > > Date: Tue, 29 Aug 2006 10:25:07 -0400 > From: [EMAIL PROTECTED] > To: Andrew Morton <[EMAIL PROTECTED]> > Cc: linux-kernel@vger.kernel.org > Subject: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst_release() > > > Seeing this a lot on 2.6.18-rc4-mm3 with 2 different stack tracebacks > (one for received packets, other for sending). I already picked up the > fix for the ^ / confusion in fib_rules.c and that didn't help matters. Should be fixed by this patch: commit 4305fabb7e4c63ddc3a4fd38aab9ec3f6575b111 Author: YOSHIFUJI Hideaki <[EMAIL PROTECTED]> Date: Mon Aug 28 13:19:30 2006 -0700 [IPV6] ROUTE: Fix dst reference counting in ip6_pol_route_lookup(). In ip6_pol_route_lookup(), when we finish backtracking at the top-level root entry, we need to hold it. Bug noticed by Mitsuru Chinen <[EMAIL PROTECTED]>. Signed-off-by: YOSHIFUJI Hideaki <[EMAIL PROTECTED]> Signed-off-by: David S. Miller <[EMAIL PROTECTED]> diff --git a/net/ipv6/route.c b/net/ipv6/route.c index ad3e3fb..4a46a85 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -510,8 +510,8 @@ restart: rt = fn->leaf; rt = rt6_device_match(rt, fl->oif, flags); BACKTRACK(&fl->fl6_src); - dst_hold(&rt->u.dst); out: + dst_hold(&rt->u.dst); read_unlock_bh(&table->tb6_lock); rt->u.dst.lastuse = jiffies; - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Fw: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst_release()
Begin forwarded message: Date: Tue, 29 Aug 2006 10:25:07 -0400 From: [EMAIL PROTECTED] To: Andrew Morton <[EMAIL PROTECTED]> Cc: linux-kernel@vger.kernel.org Subject: 2.6.18-rc4-mm3: BUG: warning at include/net/dst.h:154/dst_release() Seeing this a lot on 2.6.18-rc4-mm3 with 2 different stack tracebacks (one for received packets, other for sending). I already picked up the fix for the ^ / confusion in fib_rules.c and that didn't help matters. [ 731.252000] BUG: warning at include/net/dst.h:154/dst_release() [ 731.252000] [] dump_trace+0x64/0x1b2 [ 731.252000] [] show_trace_log_lvl+0x12/0x25 [ 731.252000] [] show_trace+0xd/0x10 [ 731.252000] [] dump_stack+0x19/0x1b [ 731.252000] [] fib6_rule_action+0x79/0xad [ 731.253000] [] fib_rules_lookup+0x4e/0x93 [ 731.255000] [] fib6_rule_lookup+0x2d/0x7d [ 731.256000] [] rt6_lookup+0x45/0x83 [ 731.257000] [] addrconf_prefix_rcv+0xf4/0x743 [ 731.258000] [] ndisc_rcv+0x7d5/0xaf3 [ 731.259000] [] icmpv6_rcv+0x767/0x7e9 [ 731.26] [] ip6_input+0x1e0/0x2a2 [ 731.262000] [] ip6_mc_input+0x32/0x40 [ 731.263000] [] ipv6_rcv+0x19f/0x1cd [ 731.264000] [] netif_receive_skb+0x143/0x1b6 [ 731.265000] [] process_backlog+0x71/0xf3 [ 731.266000] [] net_rx_action+0x56/0xcf [ 731.267000] [] __do_softirq+0x38/0x7a [ 731.267000] [] do_softirq+0x3e/0x87 [ 731.267000] [] irq_exit+0x28/0x34 [ 731.267000] [] do_IRQ+0xab/0xb8 [ 731.267000] [] common_interrupt+0x1a/0x20 [ 1498.555000] BUG: warning at include/net/dst.h:154/dst_release() [ 1498.555000] [] dump_trace+0x64/0x1b2 [ 1498.555000] [] show_trace_log_lvl+0x12/0x25 [ 1498.555000] [] show_trace+0xd/0x10 [ 1498.555000] [] dump_stack+0x19/0x1b [ 1498.555000] [] fib6_rule_action+0x79/0xad [ 1498.557000] [] fib_rules_lookup+0x4e/0x93 [ 1498.558000] [] fib6_rule_lookup+0x2d/0x7d [ 1498.56] [] ip6_route_output+0x21/0x24 [ 1498.561000] [] ip6_dst_lookup_tail+0x19/0x92 [ 1498.562000] [] ip6_dst_lookup+0xe/0x10 [ 1498.563000] [] ip6_datagram_connect+0x322/0x50a [ 1498.565000] [] inet_dgram_connect+0x4b/0x55 [ 1498.566000] [] sys_connect+0x67/0x84 [ 1498.567000] [] sys_socketcall+0x8c/0x186 [ 1498.568000] [] syscall_call+0x7/0xb [ 1498.568000] DWARF2 unwinder stuck at syscall_call+0x7/0xb - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html