From: Jon Maloy <jon.ma...@ericsson.com> Date: Tue, 3 Apr 2018 19:11:19 +0200
> When an item of struct tipc_subscription is created, we fail to > initialize the two lists aggregated into the struct. This has so far > never been a problem, since the items are just added to a root > object by list_add(), which does not require the addee list to be > pre-initialized. However, syzbot is provoking situations where this > addition fails, whereupon the attempted removal if the item from > the list causes a crash. > > This problem seems to always have been around, despite that the code > for creating this object was rewritten in commit 242e82cc95f6 ("tipc: > collapse subscription creation functions"), which is still in net-next. > > We fix this for that commit by initializing the two lists properly. > > Fixes: 242e82cc95f6 ("tipc: collapse subscription creation functions") > Reported-by: syzbot+0bb443b74ce09197e...@syzkaller.appspotmail.com > Signed-off-by: Jon Maloy <jon.ma...@ericsson.com> Applied, thanks Jon. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ tipc-discussion mailing list tipc-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tipc-discussion