Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in bpf_trace_run2

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syzbot suspects this issue was fixed by commit:

commit befe6d946551d65cddbd32b9cb0170b0249fd5ed
Author: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
Date:   Wed Nov 18 14:34:05 2020 +0000

    tracepoint: Do not fail unregistering a probe due to memory failure

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=123358a1d00000
start commit:   70b97111 bpf: Use hlist_add_head_rcu when linking to local..
git tree:       bpf-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=7e0ca96a9b6ee858
dashboard link: https://syzkaller.appspot.com/bug?extid=845923d2172947529b58
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10193f3b900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=168c729b900000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: tracepoint: Do not fail unregistering a probe due to memory failure

For information about bisection process see: https://goo.gl/tpsmEJ#bisection



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