* Re: [syzbot] [io-uring?] KASAN: null-ptr-deref Read in io_sqe_buffer_register
[not found] <68b9b200.a00a0220.eb3d.0006.GAE@google.com>
@ 2025-09-08 4:30 ` syzbot
0 siblings, 0 replies; only message in thread
From: syzbot @ 2025-09-08 4:30 UTC (permalink / raw)
To: akpm, axboe, david, io-uring, jgg, jhubbard, linux-kernel,
linux-mm, peterx, syzkaller-bugs
syzbot has bisected this issue to:
commit da6b34293ff8dbb78f8b9278c9a492925bbf1f87
Author: David Hildenbrand <david@redhat.com>
Date: Mon Sep 1 15:03:40 2025 +0000
mm/gup: remove record_subpages()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1240f962580000
start commit: 4ac65880ebca Add linux-next specific files for 20250904
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=1140f962580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1640f962580000
kernel config: https://syzkaller.appspot.com/x/.config?x=fbc16d9faf3a88a4
dashboard link: https://syzkaller.appspot.com/bug?extid=1ab243d3eebb2aabf4a4
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a0e312580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101e3e62580000
Reported-by: syzbot+1ab243d3eebb2aabf4a4@syzkaller.appspotmail.com
Fixes: da6b34293ff8 ("mm/gup: remove record_subpages()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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