Re: [syzbot] [mm?] possible deadlock in gup_fast_fallback

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syzbot has bisected this issue to:

commit 69505fe98f198ee813898cbcaf6770949636430b
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date:   Thu May 30 07:54:07 2024 +0000

    fs/ntfs3: Replace inode_trylock with inode_lock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=157ffac9980000
start commit:   786c8248dbd3 Merge tag 'perf-tools-fixes-for-v6.11-2024-07..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=177ffac9980000
console output: https://syzkaller.appspot.com/x/log.txt?x=137ffac9980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d732ba79a3d0331b
dashboard link: https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=162862e3980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10d14ce3980000

Reported-by: syzbot+63ba90b81c16b86379bd@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 69505fe98f19 ("fs/ntfs3: Replace inode_trylock with inode_lock")

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




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