On 03/22/2013 09:14 PM, Bernhard Reutner-Fischer wrote:
On 18 March 2013 09:55:08 Pirmin Walthert <in...@nappsoft.com> wrote:
Hello
It seems like commit e567c399ff86d007d8c4586f0dd5e0ca61e283ca
<http://git.uclibc.org/uClibc/commit/?h=0.9.33&id=e567c399ff86d007d8c4586f0dd5e0ca61e283ca>
had introduced a bug into _scanf.c.
I believe that Nathans patch applied to master by Bernd fixes this. I
will put it on the 0.9.33 branch shortly.
Thanks,
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Hello
No sorry, it doesn't fix this bug. I've just recompiled everything
(9a7b71facfcaee5f3a45429358c55fcd5377c509, patched with Nathan's patch
and mine removed) and I get back the old behavior.
This is for example my netstat output:
tcp 0 0 0.0.0.0:4128 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:10050 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:2020 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3333 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:11 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5038 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5555 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:53 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5080 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3128 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3129 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5050 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:1723 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:1723 0.0.0.0:60104 ESTABLISHED
tcp 0 208 0.0.0.0:2020 0.0.0.0:34062 ESTABLISHED
tcp 0 0 0.0.0.0:2020 0.0.0.0:33960 ESTABLISHED
netstat: /proc/net/tcp6: No such file or directory
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:53
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:67
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:69
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:123
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:1194
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
udp 0 0 ::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:5060
::9ce4:b6bf:ece4:b6bf:a8e4:b6bf:*
netstat: /proc/net/udp6: No such file or directory
raw 0 0 ::a0e4:b6bf:f0e4:b6bf:ace4:b6bf:1
::a0e4:b6bf:f0e4:b6bf:ace4:b6bf:* 1
raw 0 0 ::a0e4:b6bf:f0e4:b6bf:ace4:b6bf:47
::a0e4:b6bf:f0e4:b6bf:ace4:b6bf:* 47
=> IP's won't be read (see the last 3 tcp lines) and the udp output is
garbage.
This has definitely to do with the changes introduced with
e567c399ff86d007d8c4586f0dd5e0ca61e283ca (found this out with
git-bisecting) and can be fixed with my patch (I know, there might be
"simpler" ways/shorter patches to fix this, I just tried to restore the
old behavior (before e567c399ff86d007d8c4586f0dd5e0ca61e283ca) with
keeping the intended functional changes and without digging to deep into
the complete _scanf code. I'm sorry that I didn't spend any time with
writing a testcase, but buggy outputs of programs relying on scanf is
enough I guess.
Here an output from the same system with my patch applied:
~ # netstat -na
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:4128 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:10050 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:2020 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3333 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:11 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:5038 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5555 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:53 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5080 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3128 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:3129 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5050 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:1723 0.0.0.0:* LISTEN
tcp 0 0 77.58.32.53:34724 94.198.255.212:3328 TIME_WAIT
tcp 0 0 77.58.32.53:1723 213.200.236.234:60115
ESTABLISHED
tcp 0 208 192.168.240.12:2020 192.168.240.184:34354
ESTABLISHED
netstat: /proc/net/tcp6: No such file or directory
udp 0 0 0.0.0.0:53 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:67 0.0.0.0:*
udp 0 0 0.0.0.0:69 0.0.0.0:*
udp 0 0 0.0.0.0:123 0.0.0.0:*
udp 0 0 0.0.0.0:1194 0.0.0.0:*
udp 0 0 127.0.0.1:5566 0.0.0.0:*
udp 0 0 0.0.0.0:5060 0.0.0.0:*
netstat: /proc/net/udp6: No such file or directory
raw 0 0 77.58.32.53:47 213.200.236.234:* 47
netstat: /proc/net/raw6: No such file or directory
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags Type State I-Node Path
unix 2 [ ACC ] STREAM LISTENING 4098
/var/cache/pdnsd.status
unix 2 [ ACC ] STREAM LISTENING 3590 /tmp/php.socket-0
unix 2 [ ACC ] STREAM LISTENING 3594 /tmp/php.socket-1
unix 2 [ ] DGRAM 2836
/var/run/hostapd/wlan0
unix 2 [ ACC ] STREAM LISTENING 3705
/var/run/callweaver.ctl
unix 11 [ ] DGRAM 2505 /dev/log
unix 2 [ ] DGRAM 3662
unix 2 [ ] DGRAM 3659
unix 2 [ ] DGRAM 3574
unix 2 [ ] DGRAM 3568
unix 2 [ ] DGRAM 3017
unix 2 [ ] DGRAM 2738
unix 2 [ ] DGRAM 2733
unix 2 [ ] DGRAM 2658
unix 2 [ ] DGRAM 2510
Regards, Pirmin
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