syzbot has bisected this bug to: commit f71dbf2fb28489a79bde0dca1c8adfb9cdb20a6b Author: David Howells <dhowells@xxxxxxxxxx> Date: Thu Jan 30 21:50:36 2020 +0000 rxrpc: Fix insufficient receive notification generation bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1483bb19e00000 start commit: b74b991f Merge tag 'block-5.6-20200320' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1683bb19e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=1283bb19e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=6dfa02302d6db985 dashboard link: https://syzkaller.appspot.com/bug?extid=3f29ca2efb056a761e38 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1199c0c5e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15097373e00000 Reported-by: syzbot+3f29ca2efb056a761e38@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: f71dbf2fb284 ("rxrpc: Fix insufficient receive notification generation") For information about bisection process see: https://goo.gl/tpsmEJ#bisection