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SubjectRe: KASAN: vmalloc-out-of-bounds Read in compat_copy_entries
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syzbot has bisected this bug to:

commit 0609ae011deb41c9629b7f5fd626dfa1ac9d16b0
Author: Daniel Axtens <dja@axtens.net>
Date: Sun Dec 1 01:55:00 2019 +0000

x86/kasan: support KASAN_VMALLOC

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166d43dee00000
start commit: e31736d9 Merge tag 'nios2-v5.5-rc2' of git://git.kernel.or..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=156d43dee00000
console output: https://syzkaller.appspot.com/x/log.txt?x=116d43dee00000
kernel config: https://syzkaller.appspot.com/x/.config?x=79f79de2a27d3e3d
dashboard link: https://syzkaller.appspot.com/bug?extid=f68108fed972453a0ad4
userspace arch: i386
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16bc5946e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17302361e00000

Reported-by: syzbot+f68108fed972453a0ad4@syzkaller.appspotmail.com
Fixes: 0609ae011deb ("x86/kasan: support KASAN_VMALLOC")

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

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