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efb9a8c28c
android_kernel_xiaomi_sm8350/net
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Alexey Dobriyan efb9a8c28c netfilter: netns ct: walk netns list under RTNL 
netns list (just list) is under RTNL. But helper and proto unregistration
happen during rmmod when RTNL is not held, and that's how it was tested:
modprobe/rmmod vs clone(CLONE_NEWNET)/exit.

BUG: unable to handle kernel paging request at 0000000000100100	<===
IP: [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack]
PGD 15e300067 PUD 15e1d8067 PMD 0
Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
last sysfs file: /sys/kernel/uevent_seqnum
CPU 0
Modules linked in: nf_conntrack_proto_sctp(-) nf_conntrack_proto_dccp(-) af_packet iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 sr_mod cdrom [last unloaded: nf_conntrack_proto_sctp]
Pid: 16758, comm: rmmod Not tainted 2.6.28-rc2-netns-xfrm #3
RIP: 0010:[<ffffffffa009890f>]  [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack]
RSP: 0018:ffff88015dc1fec8  EFLAGS: 00010212
RAX: 0000000000000000 RBX: 00000000001000f8 RCX: 0000000000000000
RDX: ffffffffa009575c RSI: 0000000000000003 RDI: ffffffffa00956b5
RBP: ffff88015dc1fed8 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88015dc1fe48 R12: ffffffffa0458f60
R13: 0000000000000880 R14: 00007fff4c361d30 R15: 0000000000000880
FS:  00007f624435a6f0(0000) GS:ffffffff80521580(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000100100 CR3: 0000000168969000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process rmmod (pid: 16758, threadinfo ffff88015dc1e000, task ffff880179864218)
Stack:
 ffffffffa0459100 0000000000000000 ffff88015dc1fee8 ffffffffa0457934
 ffff88015dc1ff78 ffffffff80253fef 746e6e6f635f666e 6f72705f6b636172
 00707463735f6f74 ffffffff8024cb30 00000000023b8010 0000000000000000
Call Trace:
 [<ffffffffa0457934>] nf_conntrack_proto_sctp_fini+0x10/0x1e [nf_conntrack_proto_sctp]
 [<ffffffff80253fef>] sys_delete_module+0x19f/0x1fe
 [<ffffffff8024cb30>] ? trace_hardirqs_on_caller+0xf0/0x114
 [<ffffffff803ea9b2>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff8020b52b>] system_call_fastpath+0x16/0x1b
Code: 13 35 e0 e8 c4 6c 1a e0 48 8b 1d 6d c6 46 e0 eb 16 48 89 df 4c 89 e2 48 c7 c6 fc 85 09 a0 e8 61 cd ff ff 48 8b 5b 08 48 83 eb 08 <48> 8b 43 08 0f 18 08 48 8d 43 08 48 3d 60 4f 50 80 75 d3 5b 41
RIP  [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack]
 RSP <ffff88015dc1fec8>
CR2: 0000000000100100
---[ end trace bde8ac82debf7192 ]---

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-05 03:03:18 -08:00
..
9p net/9p: fix printk format warnings 2008-11-05 01:35:55 -08:00
802 net/802/fc.c: Fix compilation warnings 2008-10-15 00:13:53 -07:00
8021q net: fix packet socket delivery in rx irq handler 2008-11-04 14:49:57 -08:00
appletalk net: Rationalise email address: Network Specific Parts 2008-10-13 19:01:08 -07:00
atm
ax25
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-17 08:58:52 -07:00
bridge net: Fix disjunct computation of netdev features 2008-10-23 01:11:29 -07:00
can net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
core net: fix packet socket delivery in rx irq handler 2008-11-04 14:49:57 -08:00
dccp dccp: Port redirection support for DCCP 2008-10-19 23:36:47 -07:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-17 08:58:52 -07:00
dsa dsa: fix compile bug on s390 2008-10-13 18:58:48 -07:00
econet
ethernet dsa: add support for Trailer tagging format 2008-10-08 17:24:16 -07:00
ieee80211
ipv4 xfrm: Have af-specific init_tempsel() initialize family field of temporary selector 2008-11-04 14:49:19 -08:00
ipv6 ipv6: fix run pending DAD when interface becomes ready 2008-11-05 01:43:57 -08:00
ipx
irda
iucv
key key: fix setkey(8) policy set breakage 2008-10-31 16:41:26 -07:00
lapb
llc
mac80211 mac80211: correct warnings in minstrel rate control algorithm 2008-10-27 17:46:11 -04:00
netfilter netfilter: netns ct: walk netns list under RTNL 2008-11-05 03:03:18 -08:00
netlabel netlabel: Fix compilation warnings in net/netlabel/netlabel_addrlist.c 2008-10-30 10:44:48 -04:00
netlink net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
netrom
packet
phonet Phonet: do not reply to indication reset packets 2008-10-26 23:07:25 -07:00
rfkill RFKILL: fix input layer initialisation 2008-10-27 17:46:11 -04:00
rose
rxrpc
sched Merge branch 'timers/range-hrtimers' into v28-range-hrtimers-for-linus-v2 2008-10-22 09:48:06 +02:00
sctp sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED state 2008-10-23 01:01:18 -07:00
sunrpc SUNRPC: Fix potential race in put_rpccred() 2008-10-28 15:21:42 -04:00
tipc
unix af_unix: netns: fix problem of return value 2008-11-01 21:37:27 -07:00
wanrouter
wireless wireless: fix regression caused by regulatory config option 2008-10-26 10:38:52 -07:00
x25
xfrm xfrm: Fix xfrm_policy_gc_lock handling. 2008-11-03 19:11:29 -08:00
compat.c
Kconfig net: Distributed Switch Architecture protocol support 2008-10-08 17:15:19 -07:00
Makefile net: Distributed Switch Architecture protocol support 2008-10-08 17:15:19 -07:00
nonet.c
socket.c net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
sysctl_net.c
TUNABLE