hi again, sorry for the delay, but the "bug" triggers only when the remote peer disconnects me - and it does it only once a day.
Marco d'Itri wrote: > reassign 299875 kernel > retitle 299875 CAN-2005-0384: Remote Linux DoS on ppp servers > tag 299875 patch security yes, it really looks like a "pppd DoS", but as i suspected, things are a bit different here: - pppoe receives PADT from peer - pppd in turn gets "LCP terminated by peer" - pppd tries to re-establish the connection, says "Starting link" in the logfile [1] and then just hangs. i have to re-adjust the subject line, because OOM was triggered by something else, *because* pppd did not succeed to re-establish the connection. but oom is totally unrelated here (and fixed on my system). but still: pppd hangs and is only killable via "kill -9". but it is *NOT* a cpu hog as stated by Paul Mackerras. i've strace'd the hanging pppd: http://nerdbynature.de/bits/sheep/2.6.11/oom/pppd_2.6.11.4.log (the very first line is the only one i get from just doing "strace -p `pidof pppd`", then i did "killall pppd, then with -9) to summarise: i've noticed the pppd behaviour first with 2.6.11, then with 2.6.11-rc5-bk2, now with 2.6.11.3 and 2.6.11.4. downgrading to ppp_2.4.2+20040428-6_i386 "solves" it. thank you for your time, Christian. PS: i'll close the issue i reported on lkml: http://www.ussg.iu.edu/hypermail/linux/kernel/0503.2/0316.html [1] http://nerdbynature.de/bits/sheep/2.6.11/oom/oom_2.6.11.3.txt -- BOFH excuse #139: UBNC (user brain not connected) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
