syzbot has bisected this bug to: commit 99182beed858a1bde22f60046602b9b223225f73 Author: Daniel Borkmann <daniel@xxxxxxxxxxxxx> Date: Tue Apr 2 21:17:19 2019 +0000 Merge branch 'bpf-selftest-clang-fixes' bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12faf81aa00000 start commit: bed3c0d8 Merge tag 'for-5.2-rc5-tag' of git://git.kernel.o.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=11faf81aa00000 console output: https://syzkaller.appspot.com/x/log.txt?x=16faf81aa00000 kernel config: https://syzkaller.appspot.com/x/.config?x=28ec3437a5394ee0 dashboard link: https://syzkaller.appspot.com/bug?extid=b972214bb803a343f4fe syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12fcf0b2a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a22ad6a00000 Reported-by: syzbot+b972214bb803a343f4fe@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 99182beed858 ("Merge branch 'bpf-selftest-clang-fixes'") For information about bisection process see: https://goo.gl/tpsmEJ#bisection