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SubjectRe: [syzbot] WARNING in kernfs_get (4)
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Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5555 } 2647 jiffies s: 2837 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):


Tested on:

commit: 837c07cf Merge tag 'powerpc-6.2-4' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=113f785d480000
kernel config: https://syzkaller.appspot.com/x/.config?x=723d250bd16cf869
dashboard link: https://syzkaller.appspot.com/bug?extid=9be7b6c4b696be5d83ef
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=1369cb27480000

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