From: cinap_lenrek@felloff.net
To: 9front@9front.org
Subject: Re: [9front] rewrite gateway
Date: Sat, 29 Jan 2022 21:50:36 +0100 [thread overview]
Message-ID: <90050617726D475C720E8A8581DA8945@felloff.net> (raw)
In-Reply-To: <5E2CFE7F0D34E3CD03F6902FB308D936@felloff.net>
found it. i could reproduce it on 386 when replying to a message.
the issue was a classical double-free in msgshow(), calling
Bterm() twite on wfd:
251c3cfd610abd169676852d301a2aa1267c0e57 acne/Mail: fix double-free (Bterm() in mesgshow())
Hash: 251c3cfd610abd169676852d301a2aa1267c0e57
Date: Sat Jan 29 21:50:03 CET 2022
Author: cinap_lenrek <cinap_lenrek@felloff.net>
Message: acne/Mail: fix double-free (Bterm() in mesgshow())
--- .git/fs/object/2833aecc681aec9928c525fc2d8d023dbfe225bc/tree/sys/src/cmd/upas/Mail/comp.c
+++ .git/fs/object/251c3cfd610abd169676852d301a2aa1267c0e57/tree/sys/src/cmd/upas/Mail/comp.c
diff -u .git/fs/object/2833aecc681aec9928c525fc2d8d023dbfe225bc/tree/sys/src/cmd/upas/Mail/comp.c .git/fs/object/251c3cfd610abd169676852d301a2aa1267c0e57/tree/sys/src/cmd/upas/Mail/comp.c
@@ -283,7 +283,6 @@
break;
Bterm(rfd);
}
- Bterm(wfd);
}
Bterm(wfd);
fprint(c->addr, "$");
--
cinap
next prev parent reply other threads:[~2022-01-29 21:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-28 0:52 thinktankworkspaces
2022-01-28 19:07 ` cinap_lenrek
2022-01-28 21:10 ` thinktankworkspaces
2022-01-28 21:22 ` ori
2022-01-28 23:04 ` thinktankworkspaces
2022-01-29 13:14 ` hiro
2022-01-29 14:18 ` cinap_lenrek
2022-01-29 20:50 ` cinap_lenrek [this message]
2022-01-29 23:29 ` thinktankworkspaces
2022-01-29 23:40 ` thinktankworkspaces
2022-01-30 12:14 ` cinap_lenrek
2022-01-30 16:16 ` ori
2022-01-30 23:01 ` thinktankworkspaces
2022-01-29 14:29 ` cinap_lenrek
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