On Thu, Dec 19, 2019 at 07:45:09PM -0800, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 6fa9a115 Merge branch 'stmmac-fixes' > git tree: net > console output: https://syzkaller.appspot.com/x/log.txt?x=10c4fe99e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=216dca5e1758db87 > dashboard link: https://syzkaller.appspot.com/bug?extid=9a1bc632e78a1a98488b > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=178ada71e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144f23a6e00000 > > The bug was bisected to: > > commit 951c6db954a1adefab492f6da805decacabbd1a7 > Author: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx> > Date: Tue Dec 17 01:01:16 2019 +0000 > > sctp: fix memleak on err handling of stream initialization Ouch... this wasn't a good fix. When called from sctp_stream_init(), it is doing the right thing. But when called from sctp_send_add_streams(), it can't free the genradix. Ditto from sctp_process_strreset_addstrm_in().
