Re: [NET] IPv6 oops bisected

Denis V. Lunev wrote:

Jeff Garzik wrote:

quoted

Jeff Garzik wrote:

quoted

The commit

commit 5f5dace1ce001b24fb8286e09ffd3c4d2b547e09
Author: Denis V. Lunev [off-list ref]
Date:   Thu Sep 27 12:41:26 2007 -0700

    [NET]: Various dst_ifdown routines to catch refcounting bugs

causes a 100% reproducible oops in net-2.6.24.git, in ip6_route_add().

Platform: x86-64 Fedora 7

Config and lspci attached.

And indeed, reverting this commit with 'patch -R' makes things work again.

    Jeff

Can you me command to execute to reproduce the problem? and oops if
possible.

The command is Fedora 7 initscripts...

(typing in by hand)

/etc/sysconfig/network-scripts/network-functions-ipv6: line 246: 1760 Killed
	LC_ALL=C /sbin/ip $options


NULL pointer dereference at 0x000003f8

backtrace:
:ipv6:ip6_route_add+0x1b1/0x543
rtnetlink_rcv_msg
inet6_rtm_newroute
netlink_run_queue
rtnetlink_rcv
netlink_data_ready
netlink_sendskb
netlink_sendmsg
sock_send_msg
mntput_no_expire
autoremove_wake_function
find_lock_page
zone_statistics
get_page_from_freelist
__alloc_pages
move_addr_to_kernel
verify_iovec
sys_sendmsg