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] [c01036d4] dump_trace+0x64/0x1b2 [ 731.252000] [c0103834] show_trace_log_lvl+0x12/0x25 [ 731.252000] [c0103d62] show_trace+0xd/0x10 [ 731.252000] [c0103dff] dump_stack+0x19/0x1b [ 731.252000] [c0347fe8] fib6_rule_action+0x79/0xad [ 731.253000] [c02dfe62] fib_rules_lookup+0x4e/0x93 [ 731.255000] [c0348065] fib6_rule_lookup+0x2d/0x7d [ 731.256000] [c032fe6d] rt6_lookup+0x45/0x83 [ 731.257000] [c032d9cd] addrconf_prefix_rcv+0xf4/0x743 [ 731.258000] [c0335410] ndisc_rcv+0x7d5/0xaf3 [ 731.259000] [c033ad0e] icmpv6_rcv+0x767/0x7e9 [ 731.26] [c03286d4] ip6_input+0x1e0/0x2a2 [ 731.262000] [c03287c8] ip6_mc_input+0x32/0x40 [ 731.263000] [c0328bf6] ipv6_rcv+0x19f/0x1cd [ 731.264000] [c02d480b] netif_receive_skb+0x143/0x1b6 [ 731.265000] [c02d5bb0] process_backlog+0x71/0xf3 [ 731.266000] [c02d5a92] net_rx_action+0x56/0xcf [ 731.267000] [c0116d3c] __do_softirq+0x38/0x7a [ 731.267000] [c010460c] do_softirq+0x3e/0x87 [ 731.267000] [c0116cf8] irq_exit+0x28/0x34 [ 731.267000] [c01045c1] do_IRQ+0xab/0xb8 [ 731.267000] [c010323a] common_interrupt+0x1a/0x20 [ 1498.555000] BUG: warning at include/net/dst.h:154/dst_release() [ 1498.555000] [c01036d4] dump_trace+0x64/0x1b2 [ 1498.555000] [c0103834] show_trace_log_lvl+0x12/0x25 [ 1498.555000] [c0103d62] show_trace+0xd/0x10 [ 1498.555000] [c0103dff] dump_stack+0x19/0x1b [ 1498.555000] [c0347db8] fib6_rule_action+0x79/0xad [ 1498.557000] [c02dfc32] fib_rules_lookup+0x4e/0x93 [ 1498.558000] [c0347e35] fib6_rule_lookup+0x2d/0x7d [ 1498.56] [c032fc9c] ip6_route_output+0x21/0x24 [ 1498.561000] [c032647c] ip6_dst_lookup_tail+0x19/0x92 [ 1498.562000] [c0326503] ip6_dst_lookup+0xe/0x10 [ 1498.563000] [c0344727] ip6_datagram_connect+0x322/0x50a [ 1498.565000] [c0309850] inet_dgram_connect+0x4b/0x55 [ 1498.566000] [c02cc970] sys_connect+0x67/0x84 [ 1498.567000] [c02ccfeb] sys_socketcall+0x8c/0x186 [ 1498.568000] [c01028cf] 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
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
